/* ============================
     NEBENKOSTEN PORTAL v3.1
     Premium UX Redesign
     ============================ */

  :root {
    /* ═══════════════════════════════════════════════════════════
       NEBENKOSTEN-PORTAL DESIGN SYSTEM v3 (Final)
       Brand: Green (Tailwind Green)  |  Neutrals: Slate
       Font: Inter  |  Style: B2B Professional
       ═══════════════════════════════════════════════════════════ */

    /* --- Brand Green Scale ---
       Weisser Text NUR auf 700+ (--primary und dunkler).
       500 und heller = Hintergruende, Icons, Borders. */
    --primary-50:  #f0fdf4;
    --primary-100: #dcfce7;
    --primary-200: #bbf7d0;
    --primary-300: #86efac;
    --primary-500: #22c55e;
    --primary:     #15803d;   /* ★ Buttons, Links, CTAs (5.0:1 vs #fff) */
    --primary-dark: #166534;  /* Hover/Active (7.1:1 vs #fff) */
    --primary-darker: #14532d;/* Tabellen-Header, finale Summen (9.1:1 vs #fff) */
    --primary-light: #22c55e; /* Icons, Deko — NIE als Text-BG */
    --primary-surface: #f0fdf4;
    --text-on-primary: #ffffff;
    --text-on-surface: #14532d;

    /* --- Accent / Secondary --- */
    --accent: #f0fdf4;
    --accent-gradient: linear-gradient(135deg, #1e293b 0%, #334155 100%);

    /* --- Sidebar (Slate-900) --- */
    --sidebar-bg: #0f172a;
    --sidebar-text: rgba(255,255,255,0.65);

    /* --- Semantic --- */
    --success: #15803d;
    --success-bg: #f0fdf4;
    --success-border: #bbf7d0;
    --success-text: #14532d;
    --danger: #dc2626;
    --danger-bg: #fef2f2;
    --danger-border: #fecaca;
    --danger-text: #991b1b;
    --warning: #d97706;
    --warning-bg: #fffbeb;
    --warning-border: #fde68a;
    --warning-text: #92400e;
    --info: #2563eb;
    --info-bg: #eff6ff;
    --info-border: #bfdbfe;
    --info-text: #1e40af;

    /* --- Neutrals (Slate) --- */
    --border: #e2e8f0;
    --border-light: #f1f5f9;
    --border-strong: #cbd5e1;
    --bg: #f8fafc;
    --bg-subtle: #f1f5f9;
    --card: #ffffff;
    --card-bg: #ffffff;
    --card-grad-end: #f1f5f9;
    --text: #0f172a;
    --text-secondary: #475569;
    --muted: #64748b;
    --muted-light: #94a3b8;
    --text-disabled: #94a3b8;

    /* --- Tabellen --- */
    --table-header-bg: linear-gradient(180deg, #166534 0%, #14532d 100%);
    --table-header-text: #ffffff;
    --table-stripe: #f8fafc;
    --table-hover: #f1f5f9;

    /* --- Summen-Zeilen --- */
    --sum-row-bg: linear-gradient(180deg, #f0fdf4 0%, #dcfce7 100%);
    --sum-row-text: #14532d;
    --sum-row-border: #bbf7d0;
    --sum-final-bg: linear-gradient(180deg, #166534 0%, #14532d 100%);
    --sum-final-text: #ffffff;

    /* --- Forms --- */
    --input-border: #e2e8f0;

    /* --- Spacing --- */
    --space-1: 4px;
    --space-2: 8px;
    --space-3: 12px;
    --space-4: 16px;
    --space-6: 24px;
    --space-8: 32px;

    /* --- Design Tokens --- */
    --radius: 12px;
    --radius-sm: 8px;
    --radius-xs: 6px;
    --radius-lg: 16px;
    --radius-xl: 20px;
    --shadow-xs: 0 1px 2px rgba(0,0,0,0.06), 0 1px 3px rgba(0,0,0,0.04);
    --shadow-sm: 0 1px 3px rgba(0,0,0,0.1), 0 1px 2px rgba(0,0,0,0.06);
    --shadow-md: 0 4px 12px -2px rgba(0,0,0,0.1), 0 2px 4px -2px rgba(0,0,0,0.04);
    --shadow-lg: 0 10px 20px -3px rgba(0,0,0,0.12), 0 4px 8px -4px rgba(0,0,0,0.06);
    --shadow-xl: 0 20px 30px -5px rgba(0,0,0,0.15), 0 8px 12px -6px rgba(0,0,0,0.08);
    --shadow-glow: 0 0 15px rgba(21,128,61,0.15);

    /* --- Transitions --- */
    --ease: cubic-bezier(0.4, 0, 0.2, 1);
    --duration: 0.2s;
    --duration-slow: 0.35s;
  }

  /* ═══ DARK MODE ═══ */
  /* Aktiviert wenn data-theme="dark" gesetzt ist (manuell) ODER wenn data-theme="auto" + System-Dark */
  :root[data-theme="dark"] { color-scheme: dark; }
  @media (prefers-color-scheme: dark) {
    :root[data-theme="auto"] { color-scheme: dark; }
  }

  /* Variablen fuer manuelles Dark */
  :root[data-theme="dark"] {
    --bg: #0f172a; --bg-subtle: #1e293b;
    --card: #1e293b; --card-bg: #1e293b; --card-grad-end: #0f172a;
    --text: #f1f5f9; --text-secondary: #e2e8f0; --muted: #cbd5e1; --muted-light: #94a3b8; --text-disabled: #64748b;
    --border: #334155; --border-light: #1e293b; --border-strong: #475569;
    --sidebar-bg: #020617;
    --primary: #22c55e; --primary-dark: #16a34a;
    --primary-50: #052e16; --primary-100: #14532d; --primary-200: #166534;
    --accent: #14532d;
    --success: #22c55e; --success-bg: #052e16; --success-border: #166534; --success-text: #86efac;
    --danger: #ef4444; --danger-bg: #450a0a; --danger-border: #7f1d1d; --danger-text: #fca5a5;
    --warning: #f59e0b; --warning-bg: #451a03; --warning-border: #78350f; --warning-text: #fde68a;
    --info: #3b82f6; --info-bg: #1e1b4b; --info-border: #3730a3; --info-text: #93c5fd;
    --table-header-bg: linear-gradient(180deg, #166534 0%, #14532d 100%); --table-stripe: #0f172a; --table-hover: #1e293b;
    --sum-row-bg: linear-gradient(180deg, #166534 0%, #14532d 100%); --sum-row-text: #bbf7d0; --sum-row-border: #166534;
    --sum-final-bg: linear-gradient(180deg, #14532d 0%, #052e16 100%); --sum-final-text: #86efac;
    --input-border: #334155;
    --shadow-xs: 0 1px 2px rgba(0,0,0,0.3);
    --shadow-sm: 0 1px 3px rgba(0,0,0,0.4);
    --shadow-md: 0 4px 12px rgba(0,0,0,0.4);
    --shadow-lg: 0 10px 20px rgba(0,0,0,0.5);
    --shadow-xl: 0 20px 30px rgba(0,0,0,0.6);
    --shadow-glow: 0 0 15px rgba(34,197,94,0.2);
    --primary-surface: #052e16; --text-on-surface: #86efac;
    --accent-gradient: linear-gradient(135deg, #22c55e 0%, #16a34a 100%);
  }
  /* Variablen fuer auto + System-Dark */
  @media (prefers-color-scheme: dark) {
    :root[data-theme="auto"] {
      --bg: #0f172a; --bg-subtle: #1e293b;
      --card: #1e293b; --card-bg: #1e293b; --card-grad-end: #0f172a;
      --text: #f1f5f9; --text-secondary: #e2e8f0; --muted: #cbd5e1; --muted-light: #94a3b8; --text-disabled: #64748b;
      --border: #334155; --border-light: #1e293b; --border-strong: #475569;
      --sidebar-bg: #020617;
      --primary: #22c55e; --primary-dark: #16a34a;
      --primary-50: #052e16; --primary-100: #14532d; --primary-200: #166534;
      --accent: #14532d;
      --success: #22c55e; --success-bg: #052e16; --success-border: #166534; --success-text: #86efac;
      --danger: #ef4444; --danger-bg: #450a0a; --danger-border: #7f1d1d; --danger-text: #fca5a5;
      --warning: #f59e0b; --warning-bg: #451a03; --warning-border: #78350f; --warning-text: #fde68a;
      --info: #3b82f6; --info-bg: #1e1b4b; --info-border: #3730a3; --info-text: #93c5fd;
      --table-header-bg: linear-gradient(180deg, #166534 0%, #14532d 100%); --table-stripe: #0f172a; --table-hover: #1e293b;
      --sum-row-bg: linear-gradient(180deg, #166534 0%, #14532d 100%); --sum-row-text: #bbf7d0; --sum-row-border: #166534;
      --sum-final-bg: linear-gradient(180deg, #14532d 0%, #052e16 100%); --sum-final-text: #86efac;
      --input-border: #334155;
      --shadow-xs: 0 1px 2px rgba(0,0,0,0.3);
      --shadow-sm: 0 1px 3px rgba(0,0,0,0.4);
      --shadow-md: 0 4px 12px rgba(0,0,0,0.4);
      --shadow-lg: 0 10px 20px rgba(0,0,0,0.5);
      --shadow-xl: 0 20px 30px rgba(0,0,0,0.6);
      --shadow-glow: 0 0 15px rgba(34,197,94,0.2);
      --primary-surface: #052e16; --text-on-surface: #86efac;
      --accent-gradient: linear-gradient(135deg, #22c55e 0%, #16a34a 100%);
    }
  }

  /* Dark-Mode Overrides mit erhoehter Specificity — greifen wenn html[data-theme="dark"] ODER html[data-theme="auto"] + System-Dark */
  :root[data-theme="dark"] input:not([type="checkbox"]):not([type="radio"]),
  :root[data-theme="dark"] select,
  :root[data-theme="dark"] textarea,
  :root[data-theme="dark"] td input,
  :root[data-theme="dark"] .form-group input,
  :root[data-theme="dark"] .form-group select,
  :root[data-theme="dark"] .form-group textarea,
  :root[data-theme="dark"] .btn-secondary {
    background: var(--card-bg) !important; color: var(--text) !important; border-color: var(--border) !important;
  }
  :root[data-theme="dark"] .modal-content { background: var(--card-bg) !important; }
  :root[data-theme="dark"] .card,
  :root[data-theme="dark"] .summary-card { background: linear-gradient(180deg, var(--card) 0%, var(--card-grad-end) 100%) !important; }
  :root[data-theme="dark"] th { background: var(--bg-subtle) !important; color: var(--text-secondary) !important; }
  :root[data-theme="dark"] tr:hover td { background: var(--table-hover) !important; }
  :root[data-theme="dark"] .help-tip::after { background: #020617; color: #e2e8f0; }
  :root[data-theme="dark"] .help-tip::before { border-top-color: #020617; }
  :root[data-theme="dark"] ::-webkit-scrollbar-thumb { background: #475569; }
  :root[data-theme="dark"] input::placeholder,
  :root[data-theme="dark"] textarea::placeholder,
  :root[data-theme="dark"] input::-webkit-input-placeholder,
  :root[data-theme="dark"] textarea::-webkit-input-placeholder { color: #94a3b8 !important; opacity: 1 !important; -webkit-text-fill-color: #94a3b8 !important; }
  /* Chrome Autofill Override — verhindert gelben Hintergrund + dunklen Text */
  :root[data-theme="dark"] input:-webkit-autofill,
  :root[data-theme="dark"] input:-webkit-autofill:hover,
  :root[data-theme="dark"] input:-webkit-autofill:focus,
  :root[data-theme="dark"] input:-webkit-autofill:active {
    -webkit-box-shadow: 0 0 0 30px var(--card-bg) inset !important;
    -webkit-text-fill-color: var(--text) !important;
    caret-color: var(--text) !important;
    transition: background-color 5000s ease-in-out 0s;
  }

  @media (prefers-color-scheme: dark) {
    :root[data-theme="auto"] input:not([type="checkbox"]):not([type="radio"]),
    :root[data-theme="auto"] select,
    :root[data-theme="auto"] textarea,
    :root[data-theme="auto"] td input,
    :root[data-theme="auto"] .form-group input,
    :root[data-theme="auto"] .form-group select,
    :root[data-theme="auto"] .form-group textarea,
    :root[data-theme="auto"] .btn-secondary {
      background: var(--card-bg) !important; color: var(--text) !important; border-color: var(--border) !important;
    }
    :root[data-theme="auto"] .modal-content { background: var(--card-bg) !important; }
    :root[data-theme="auto"] .card,
    :root[data-theme="auto"] .summary-card { background: linear-gradient(180deg, var(--card) 0%, var(--card-grad-end) 100%) !important; }
    :root[data-theme="auto"] th { background: var(--bg-subtle) !important; color: var(--text-secondary) !important; }
    :root[data-theme="auto"] tr:hover td { background: var(--table-hover) !important; }
    :root[data-theme="auto"] input::placeholder,
    :root[data-theme="auto"] textarea::placeholder,
    :root[data-theme="auto"] input::-webkit-input-placeholder,
    :root[data-theme="auto"] textarea::-webkit-input-placeholder { color: #94a3b8 !important; opacity: 1 !important; -webkit-text-fill-color: #94a3b8 !important; }
    :root[data-theme="auto"] input:-webkit-autofill,
    :root[data-theme="auto"] input:-webkit-autofill:hover,
    :root[data-theme="auto"] input:-webkit-autofill:focus,
    :root[data-theme="auto"] input:-webkit-autofill:active {
      -webkit-box-shadow: 0 0 0 30px var(--card-bg) inset !important;
      -webkit-text-fill-color: var(--text) !important;
      caret-color: var(--text) !important;
      transition: background-color 5000s ease-in-out 0s;
    }
  }

  * { box-sizing: border-box; margin: 0; padding: 0; }
  a, button, input, select, textarea, .btn, .nav-item, .mieter-tab { touch-action: manipulation; }
  html { scroll-behavior: smooth; overflow-x: hidden; }
  body {
    font-family: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
    background: var(--bg); color: var(--text); font-size: 14px;
    line-height: 1.6; -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale; overflow-x: hidden;
  }

  /* ---- HEADER ---- */
  /* Flex-Column Layout: nur main scrollt, Header + Banner bleiben fix */
  html, body { height: 100%; overflow: hidden; }
  #mainApp { display: flex; flex-direction: column; height: 100vh; }
  .sticky-top-wrapper {
    flex: 0 0 auto;
    background: var(--sidebar-bg);
    box-shadow: 0 1px 3px rgba(0,0,0,0.2);
    z-index: 100;
  }
  header {
    background: var(--sidebar-bg);
    color: white; padding: 0 20px; display: flex; align-items: center;
    height: 52px; flex: 0 0 52px; gap: 12px;
  }
  header h1 + div { margin: 0 auto; }
  header .header-icons { display: flex; align-items: center; gap: 4px; margin-left: auto; flex-shrink: 0; }
  #yearBanner { flex: 0 0 auto; }
  header h1 {
    font-size: 17px; font-weight: 700; letter-spacing: -0.2px;
    color: white;
  }
  .year-selector { display: flex; align-items: center; gap: 8px; }
  .year-selector label { font-size: 13px; color: rgba(255,255,255,0.8); font-weight: 500; }
  .year-selector select {
    background: rgba(255,255,255,0.2); color: white; border: 1px solid rgba(255,255,255,0.35);
    border-radius: var(--radius-sm); padding: 6px 12px; font-size: 13px; cursor: pointer;
    font-family: inherit; font-weight: 500;
    transition: all var(--duration) var(--ease);
  }
  .year-selector select:hover { background: rgba(255,255,255,0.18); border-color: rgba(255,255,255,0.35); }
  .year-selector select:focus { outline: none; border-color: rgba(255,255,255,0.4); box-shadow: 0 0 0 3px rgba(255,255,255,0.1); }
  .year-selector select option { background: var(--sidebar-bg); color: white; }
  .btn-icon {
    background: rgba(255,255,255,0.1); border: 1px solid rgba(255,255,255,0.2);
    color: white; border-radius: var(--radius-sm); padding: 7px 14px;
    cursor: pointer; font-size: 13px; font-weight: 500; font-family: inherit;
    display: flex; align-items: center; gap: 6px;
    transition: all var(--duration) var(--ease);
  }
  .btn-icon:hover { background: rgba(255,255,255,0.2); border-color: rgba(255,255,255,0.35); }
  .header-dropdown { display: none !important; }
  .header-dropdown.show { display: block !important; }

  /* ---- LAYOUT ---- */
  .app-layout { display: flex; flex: 1 1 0; min-height: 0; overflow: hidden; }

  /* ---- SIDEBAR NAV (Dark Theme) ---- */
  nav.sidebar {
    width: 240px; min-width: 240px;
    background: var(--sidebar-bg);
    border-right: none; padding: 20px 10px 80px;
    display: flex; flex-direction: column; gap: 2px;
    transition: width var(--duration-slow) var(--ease), min-width var(--duration-slow) var(--ease);
    box-shadow: 4px 0 20px rgba(0,0,0,0.15);
    overflow-y: auto;
    -webkit-overflow-scrolling: touch;
    overscroll-behavior: contain;
  }
  nav.sidebar .nav-section {
    font-size: 11px; font-weight: 600; color: rgba(255,255,255,0.35);
    text-transform: uppercase; letter-spacing: 1.2px; padding: 16px 14px 8px;
    animation: fadeInUp 0.5s ease both;
    transition: letter-spacing 0.3s ease;
  }
  nav.sidebar .nav-section:hover {
    letter-spacing: 2px;
  }
  nav.sidebar a {
    display: flex; align-items: center; gap: 12px; padding: 10px 14px;
    color: var(--sidebar-text); text-decoration: none; border-radius: var(--radius-sm);
    transition: all 0.35s cubic-bezier(0.4, 0, 0.2, 1); font-size: 14px; font-weight: 500;
    border: 1px solid transparent; position: relative;
  }
  nav.sidebar a:hover {
    background: rgba(45,106,79,0.12); color: var(--success-border);
  }
  @media (hover: hover) and (pointer: fine) {
    nav.sidebar a:hover { transform: translateX(4px); }
  }
  nav.sidebar a:active { transform: translateX(2px) scale(0.98); }
  nav.sidebar a.active {
    background: linear-gradient(135deg, color-mix(in srgb, var(--primary) 28%, transparent), color-mix(in srgb, var(--primary-light) 16%, transparent));
    color: var(--text-on-primary);
    font-weight: 600; border-left: 3px solid var(--primary);
  }
  nav.sidebar a.active::before {
    content: ''; position: absolute; left: -10px; top: 50%; transform: translateY(-50%);
    width: 3px; height: 20px;
    background: var(--primary);
    border-radius: 0 3px 3px 0;
    animation: slideInLeft 0.3s var(--ease);
  }
  nav.sidebar .nav-icon { font-size: 17px; width: 22px; text-align: center; flex-shrink: 0; display: flex; align-items: center; justify-content: center; }
  nav.sidebar .nav-icon svg { width: 18px; height: 18px; stroke-width: 1.8; }

  /* ---- NAV GROUPS (klappbar) ---- */
  .nav-group { margin-bottom: 2px; }
  .nav-group-header {
    font-size: 10px; font-weight: 700; color: rgba(255,255,255,0.5);
    text-transform: uppercase; letter-spacing: 1.5px; padding: 18px 14px 8px;
    display: flex; align-items: center; justify-content: space-between;
    cursor: pointer; user-select: none; transition: all 0.3s ease;
    border-top: 1px solid rgba(255,255,255,0.06);
    background: none; border-left: none; border-right: none; border-bottom: none;
    width: 100%; text-align: left; font-family: inherit; outline: none;
  }
  .nav-group-header:focus-visible {
    outline: 2px solid var(--primary); outline-offset: -2px; border-radius: 4px;
  }
  .nav-group:first-of-type .nav-group-header { border-top: none; }
  .nav-group-header:hover { letter-spacing: 2px; color: rgba(255,255,255,0.7); }
  .nav-group-header .nav-group-arrow {
    font-size: 10px; transition: transform 0.3s ease; opacity: 0.5;
  }
  .nav-group.collapsed .nav-group-arrow { transform: rotate(-90deg); }
  .nav-group-items { overflow: hidden; transition: max-height 0.3s ease, opacity 0.3s ease; max-height: 600px; opacity: 1; }
  .nav-group.collapsed .nav-group-items { max-height: 0; opacity: 0; }
  nav.sidebar .nav-sub-item {
    padding-left: 36px !important; font-size: 12.5px !important;
    opacity: 0.85; position: relative;
  }
  nav.sidebar .nav-sub-item::before {
    content: ''; position: absolute; left: 22px; top: 50%; transform: translateY(-50%);
    width: 6px; height: 1px; background: rgba(255,255,255,0.2);
  }
  nav.sidebar .nav-sub-item:hover { opacity: 1; }
  nav.sidebar .nav-sub-item.active { opacity: 1; }
  .card-icon svg { width: 18px; height: 18px; stroke-width: 1.8; vertical-align: -3px; margin-right: 2px; }
  .btn svg, .btn-icon svg { width: 15px; height: 15px; stroke-width: 2; vertical-align: -2px; }

  /* ---- MAIN CONTENT ---- */
  main { flex: 1; padding: 12px 32px 28px; overflow-y: auto; min-height: 0; min-width: 0; }
  .page { display: none; animation: fadeIn var(--duration-slow) var(--ease); }
  .page.active { display: block; }
  @keyframes fadeIn { from { opacity: 0; transform: translateY(6px); } to { opacity: 1; transform: translateY(0); } }
  @keyframes fadeInUp { from { opacity: 0; transform: translateY(18px); } to { opacity: 1; transform: translateY(0); } }
  @keyframes slideInLeft { from { opacity: 0; transform: translateX(-20px); } to { opacity: 1; transform: translateX(0); } }
  @keyframes scaleIn { from { opacity: 0; transform: scale(0.92); } to { opacity: 1; transform: scale(1); } }
  @keyframes shimmer { 0% { background-position: -200% 0; } 100% { background-position: 200% 0; } }
  @keyframes pulse-dot { 0%, 100% { opacity: 1; } 50% { opacity: 0.4; } }
  @keyframes fristPulse {
    0%, 100% { box-shadow: 0 0 0 0 color-mix(in srgb, var(--danger) 50%, transparent); }
    50%      { box-shadow: 0 0 0 8px color-mix(in srgb, var(--danger) 0%, transparent); }
  }
  @keyframes countUp { from { opacity: 0; transform: translateY(10px); } to { opacity: 1; transform: translateY(0); } }
  @keyframes gradientShift { 0% { background-position: 0% 50%; } 50% { background-position: 100% 50%; } 100% { background-position: 0% 50%; } }
  @keyframes sidebarItemHover {
    0% { padding-left: 16px; background: transparent; }
    100% { padding-left: 22px; background: rgba(45,106,79,0.08); }
  }
  @keyframes breathe {
    0%, 100% { box-shadow: 0 0 0 0 rgba(45,106,79,0.1); }
    50% { box-shadow: 0 0 20px 4px rgba(45,106,79,0.15); }
  }
  @keyframes borderShimmer {
    0% { border-color: rgba(21,128,61,0.2); }
    50% { border-color: rgba(34,197,94,0.5); }
    100% { border-color: rgba(21,128,61,0.2); }
  }
  .page-title {
    font-size: 22px; font-weight: 700; color: var(--text);
    margin-bottom: 3px; letter-spacing: -0.01em;
  }
  .page-subtitle { color: var(--muted); font-size: 13px; margin-bottom: 18px; font-weight: 400; }

  /* Help Side Panel */
  #helpPanelContent table { width:100%; border-collapse:collapse; margin:8px 0; font-size:12px; }
  #helpPanelContent th, #helpPanelContent td { padding:6px 8px; border:1px solid var(--border); text-align:left; }
  #helpPanelContent th { background:var(--bg-subtle); font-weight:600; }
  #helpPanelContent .hilfe-hinweis { padding:8px 12px; border-radius:var(--radius-xs); margin:8px 0; font-size:12px; }
  #helpPanelContent .hilfe-info { background:var(--info-bg); border:1px solid var(--info-border); color:var(--info-text); }
  #helpPanelContent .hilfe-ok { background:#d1fae5; border:1px solid var(--success-border); color:var(--success-text); }
  #helpPanelContent .hilfe-warn { background:var(--warning-bg); border:1px solid var(--warning-border); color:var(--warning-text); }
  #helpPanelContent ul, #helpPanelContent ol { padding-left:20px; margin:6px 0; }
  #helpPanelContent code { background:var(--bg-subtle); padding:1px 5px; border-radius:3px; font-size:11px; }

  /* ---- CARDS ---- */
  .card {
    background: linear-gradient(180deg, var(--card) 0%, var(--card-grad-end) 100%);
    border: 1px solid var(--border);
    border-radius: var(--radius); padding: 16px 18px; margin-bottom: 14px;
    box-shadow: var(--shadow-sm);
    transition: box-shadow 0.2s ease;
  }
  .card:hover {
    box-shadow: var(--shadow-md);
  }
  .page.active .card { animation: fadeInUp 0.3s var(--ease) both; }

  /* ---- AKKORDEON CARDS ---- */
  .card-accordion .card-accordion-header {
    display: flex; align-items: center; gap: 8px; cursor: pointer; user-select: none;
    font-size: 14px; font-weight: 600; color: var(--text); padding: 0;
  }
  .card-accordion .card-accordion-header .acc-arrow {
    font-size: 10px; transition: transform 0.2s; color: var(--muted);
  }
  .card-accordion.collapsed .acc-arrow { transform: rotate(-90deg); }
  .card-accordion .card-accordion-body {
    overflow: hidden; max-height: 2000px; transition: max-height 0.3s ease, opacity 0.2s ease, padding 0.2s ease;
    opacity: 1; padding-top: 12px;
  }
  .card-accordion.collapsed .card-accordion-body {
    max-height: 0; opacity: 0; padding-top: 0; padding-bottom: 0;
  }
  .we-accordion .we-body { display: none; }
  .we-accordion.we-open .we-body { display: block !important; }
  .we-accordion.we-open .we-arrow { transform: rotate(90deg); }
  .hm-accordion .hm-content { display: none; }
  .hm-accordion.hm-open .hm-content { display: block !important; }
  .hm-accordion.hm-open .hm-arrow { transform: rotate(90deg); }
  .page.active .card:nth-child(1) { animation-delay: 0.03s; }
  .page.active .card:nth-child(2) { animation-delay: 0.08s; }
  .page.active .card:nth-child(3) { animation-delay: 0.13s; }
  .page.active .card:nth-child(4) { animation-delay: 0.18s; }
  .page.active .card:nth-child(5) { animation-delay: 0.23s; }
  .page.active .card:nth-child(n+6) { animation-delay: 0.28s; }
  .card-title {
    font-size: 14px; font-weight: 600; color: var(--text);
    margin-bottom: 12px; padding-bottom: 8px; border-bottom: 1px solid var(--border-light);
    display: flex; align-items: center; gap: 8px;
  }
  .card-icon { font-size: 16px; }

  /* ---- GRID ---- */
  .grid-2 { display: grid; grid-template-columns: 1fr 1fr; gap: 14px; }
  .grid-3 { display: grid; grid-template-columns: 1fr 1fr 1fr; gap: 14px; }
  .grid-4 { display: grid; grid-template-columns: 1fr 1fr 1fr 1fr; gap: 20px; }

  /* ---- FORM ELEMENTS ---- */
  .form-group { margin-bottom: 12px; }
  .form-group label {
    display: block; font-size: 13px; font-weight: 500; color: var(--text-secondary);
    margin-bottom: 4px; letter-spacing: 0;
  }
  .form-group input, .form-group select, .form-group textarea {
    width: 100%; border: 1px solid var(--border); border-radius: var(--radius-sm);
    padding: 7px 10px; font-size: 13px; color: var(--text);
    font-family: inherit; font-weight: 400;
    transition: border-color var(--duration) var(--ease), box-shadow var(--duration) var(--ease);
    background: var(--card-bg);
  }
  .form-group input[type="date"] {
    font-family: inherit; font-size: 14px; color: var(--text);
    cursor: pointer;
  }
  .form-group input[type="date"]::-webkit-datetime-edit { color: var(--text); font-family: inherit; }
  .form-group input[type="date"]::-webkit-datetime-edit-fields-wrapper { padding: 0; }
  .form-group input[type="date"]::-webkit-calendar-picker-indicator { opacity: 0.5; cursor: pointer; }
  .form-group input:hover, .form-group select:hover { border-color: var(--primary-200); }
  .form-group input:focus, .form-group select:focus, .form-group textarea:focus {
    outline: none; border-color: var(--primary);
    box-shadow: 0 0 0 3px var(--primary-100);
    transition: border-color 0.15s ease, box-shadow 0.2s ease;
  }
  /* Checkboxen/Radios: Reset der obigen Full-Width-Regel */
  .form-group input[type="checkbox"],
  .form-group input[type="radio"] {
    width: auto;
    min-width: 0;
    padding: 0;
    border: none;
    box-shadow: none;
    background: transparent;
    margin: 0;
    accent-color: var(--primary);
    cursor: pointer;
  }
  .form-group input[type="checkbox"]:focus,
  .form-group input[type="radio"]:focus {
    outline: 2px solid var(--primary);
    outline-offset: 1px;
    border: none;
    box-shadow: none;
  }
  .form-group input::placeholder { color: var(--muted); font-weight: 400; }
  .input-with-unit { display: flex; gap: 0; min-width: 0; }
  .input-with-unit input {
    border-radius: var(--radius-sm) 0 0 var(--radius-sm);
    flex: 1 1 auto; min-width: 0; width: 100%;
  }
  .input-with-unit .unit {
    background: var(--bg-subtle); border: 1.5px solid var(--border); border-left: none;
    border-radius: 0 var(--radius-sm) var(--radius-sm) 0; padding: 10px 14px; font-size: 13px;
    color: var(--muted); white-space: nowrap; display: flex; align-items: center; font-weight: 500;
    flex: 0 0 auto;
  }

  /* ---- BUTTONS ---- */
  .btn {
    border: none; border-radius: var(--radius-sm); padding: 10px 18px; cursor: pointer;
    font-size: 13px; font-weight: 600; font-family: inherit;
    transition: all var(--duration) var(--ease);
    display: inline-flex; align-items: center; gap: 7px;
    position: relative; overflow: hidden;
  }
  .btn::after {
    content: ''; position: absolute; inset: 0; opacity: 0;
    background: linear-gradient(rgba(255,255,255,0.15), transparent);
    transition: opacity var(--duration) var(--ease);
    pointer-events: none;
  }
  .btn:hover::after { opacity: 1; }
  .btn:active { transform: scale(0.97); }
  .btn-primary { background: linear-gradient(180deg, var(--primary) 0%, var(--primary-dark) 100%); color: white; font-weight: 700; text-shadow: 0 1px 2px rgba(0,0,0,0.25); box-shadow: 0 2px 8px rgba(21,128,61,0.35); }
  .btn-primary:hover { background: linear-gradient(180deg, var(--primary-dark) 0%, var(--primary-darker) 100%); box-shadow: 0 6px 20px rgba(21,128,61,0.4); transform: translateY(-1px); }
  .btn-secondary { background: var(--card-bg); color: var(--text); border: 1.5px solid var(--border); }
  .btn-secondary:hover { background: var(--bg-subtle); border-color: var(--primary-200); color: var(--primary); }
  .btn-danger { background: linear-gradient(180deg, var(--danger) 0%, #b91c1c 100%); color: white; font-weight: 700; text-shadow: 0 1px 2px rgba(0,0,0,0.25); box-shadow: 0 2px 8px rgba(220,38,38,0.35); }
  .btn-danger:hover { background: linear-gradient(180deg, #b91c1c 0%, #991b1b 100%); box-shadow: 0 6px 20px rgba(220,38,38,0.4); transform: translateY(-1px); }
  .btn-success { background: linear-gradient(180deg, var(--success) 0%, var(--primary-dark) 100%); color: white; font-weight: 700; text-shadow: 0 1px 2px rgba(0,0,0,0.25); box-shadow: 0 2px 8px rgba(21,128,61,0.35); }
  .btn-success:hover { background: linear-gradient(180deg, var(--primary-dark) 0%, var(--primary-darker) 100%); box-shadow: 0 6px 20px rgba(21,128,61,0.4); transform: translateY(-1px); }
  .btn-sm { padding: 6px 12px; font-size: 12px; border-radius: var(--radius-xs); }
  /* ---- UTILITY CLASSES ---- */
  .text-primary { color: var(--primary) !important; }
  .text-success { color: var(--success) !important; }
  .text-danger { color: var(--danger) !important; }
  .text-warning { color: var(--warning) !important; }
  .text-muted { color: var(--muted) !important; }
  .bg-highlight { background: var(--accent) !important; }
  .bg-success { background: var(--success-bg) !important; }
  .bg-danger { background: var(--danger-bg) !important; }
  .bg-warning { background: var(--warning-bg) !important; }
  .sticky-col { position: sticky; left: 0; z-index: 5; background: inherit; }

  /* ---- BREADCRUMBS ---- */
  .breadcrumb {
    font-size: 12px; color: var(--muted); margin-bottom: 8px; display: flex; align-items: center; gap: 6px;
  }
  .breadcrumb a { color: var(--primary); text-decoration: none; font-weight: 500; }
  .breadcrumb a:hover { text-decoration: underline; }
  .breadcrumb .bc-sep { color: var(--border-strong); }

  /* ---- INLINE VALIDATION ---- */
  .form-group .error-msg { color: var(--danger); font-size: 12px; margin-top: 4px; display: none; }
  .form-group.has-error .error-msg { display: block; }
  .form-group.has-error input,
  .form-group.has-error select,
  .form-group.has-error textarea { border-color: var(--danger); box-shadow: 0 0 0 2px rgba(220,38,38,0.12); }

  .btn-loading { opacity: 0.7; pointer-events: none; cursor: wait; }
  .btn-loading::after {
    content: ''; display: inline-block; width: 14px; height: 14px; margin-left: 6px;
    border: 2px solid currentColor; border-right-color: transparent;
    border-radius: 50%; animation: btnSpin 0.6s linear infinite; vertical-align: -2px;
  }
  @keyframes btnSpin { to { transform: rotate(360deg); } }
  @keyframes kiSpin { to { transform: rotate(360deg); } }

  /* ---- SEARCH INPUTS ---- */
  .search-input {
    width: 100%; padding: 10px 14px 10px 42px; border: 1px solid var(--border);
    border-radius: 10px; font-size: 14px; color: var(--text); background: var(--card-bg);
    box-shadow: 0 1px 3px rgba(0,0,0,0.06); transition: border-color .2s, box-shadow .2s;
    outline: none; font-family: inherit;
  }
  .search-input:focus {
    border-color: var(--primary);
    box-shadow: 0 0 0 3px rgba(21,128,61,0.12);
  }

  /* ---- TABLES ---- */
  table { width: 100%; border-collapse: separate; border-spacing: 0; font-size: 13px; }
  th {
    background: var(--bg-subtle); text-align: left; padding: 10px 14px;
    font-size: 12px; font-weight: 600; text-transform: uppercase; color: var(--text-secondary);
    letter-spacing: 0.04em; border-bottom: 2px solid var(--border);
  }
  th:first-child { border-radius: var(--radius-sm) 0 0 0; }
  th:last-child { border-radius: 0 var(--radius-sm) 0 0; }
  td {
    padding: 11px 14px; border-bottom: 1px solid var(--border-light); vertical-align: middle;
    transition: background var(--duration) var(--ease);
  }
  tr:hover td { background: var(--primary-50); }
  tr:last-child td { border-bottom: none; }
  tr.total-row td { font-weight: 700; background: var(--sum-row-bg); color: var(--sum-row-text); border-top: 2px solid var(--sum-row-border); }
  td input {
    border: 1.5px solid var(--border); border-radius: var(--radius-xs); padding: 6px 10px;
    font-size: 13px; font-family: inherit; color: var(--text);
    width: 100%; min-width: 0; box-sizing: border-box; background: var(--card-bg);
    transition: border-color var(--duration) var(--ease), box-shadow var(--duration) var(--ease);
  }
  td input[type="date"] { font-family: inherit; font-size: 13px; color: var(--text); cursor: pointer; }
  td input[type="date"]::-webkit-datetime-edit { color: var(--text); font-family: inherit; }
  td input[type="date"]::-webkit-datetime-edit-fields-wrapper { padding: 0; }
  td input[type="date"]::-webkit-calendar-picker-indicator { opacity: 0.5; cursor: pointer; }
  td input:focus { outline: none; border-color: var(--primary); box-shadow: 0 0 0 2px var(--primary-100); }

  /* ---- MIETER TABS ---- */
  .mieter-tabs { display: flex; gap: 6px; margin-bottom: 20px; flex-wrap: wrap; }
  .mieter-tab {
    padding: 8px 18px; border-radius: 999px; cursor: pointer; font-size: 13px;
    border: 1.5px solid var(--border); background: var(--card-bg); color: var(--text-secondary);
    transition: all var(--duration) var(--ease); font-weight: 500;
  }
  .mieter-tab.active {
    border-color: transparent; background: linear-gradient(135deg, var(--primary) 0%, var(--primary-dark) 100%);
    color: white; font-weight: 600;
    box-shadow: 0 4px 12px rgba(21,128,61,0.3);
  }
  .mieter-tab:hover:not(.active) { border-color: var(--primary-light); color: var(--primary); background: var(--primary-50); }
  .mieter-panel { display: none !important; animation: fadeIn var(--duration) var(--ease); }
  .mieter-panel.active { display: block !important; }

  /* ---- ABRECHNUNG RESULT ---- */
  .abrechnung-header {
    background: linear-gradient(135deg, var(--sidebar-bg) 0%, #1e293b 100%);
    color: white; padding: 24px 28px; border-radius: var(--radius) var(--radius) 0 0;
  }
  .abrechnung-header h2 { font-size: 18px; margin-bottom: 4px; font-weight: 700; }
  .abrechnung-header p { opacity: 0.85; font-size: 13px; }
  .abrechnung-body {
    background: var(--card-bg); border: 1px solid var(--border);
    border-top: none; border-radius: 0 0 var(--radius) var(--radius); padding: 24px;
  }
  .cost-row {
    display: flex; justify-content: space-between; align-items: center;
    padding: 10px 0; border-bottom: 1px solid var(--border-light);
    transition: background var(--duration) var(--ease);
  }
  .cost-row:hover { background: var(--bg-subtle); margin: 0 -8px; padding: 10px 8px; border-radius: var(--radius-xs); }
  .cost-row:last-child { border-bottom: none; }
  .cost-label { color: var(--text); font-weight: 500; }
  .cost-sublabel { font-size: 12px; color: var(--muted); margin-top: 2px; }
  .cost-amount { font-weight: 700; font-size: 15px; font-variant-numeric: tabular-nums; }
  .total-box {
    background: var(--primary-50); border: 2px solid var(--primary); border-radius: var(--radius);
    padding: 18px 20px; margin-top: 18px; display: flex; justify-content: space-between; align-items: center;
  }
  .total-box .label { font-weight: 700; font-size: 15px; color: var(--primary-dark); }
  .total-box .amount { font-size: 24px; font-weight: 800; color: var(--primary-dark); font-variant-numeric: tabular-nums; }
  .result-nachzahlung {
    background: var(--danger-bg); border: 2px solid var(--danger-border);
    border-radius: var(--radius); padding: 18px 20px; margin-top: 12px;
    display: flex; justify-content: space-between; align-items: center;
  }
  .result-guthaben {
    background: var(--success-bg); border: 2px solid var(--success-border);
    border-radius: var(--radius); padding: 18px 20px; margin-top: 12px;
    display: flex; justify-content: space-between; align-items: center;
  }
  .result-nachzahlung .label { font-weight: 700; font-size: 15px; color: var(--danger); }
  .result-nachzahlung .amount { font-size: 24px; font-weight: 800; color: var(--danger); font-variant-numeric: tabular-nums; }
  .result-guthaben .label { font-weight: 700; font-size: 15px; color: var(--success); }
  .result-guthaben .amount { font-size: 24px; font-weight: 800; color: var(--success); font-variant-numeric: tabular-nums; }

  /* ---- BADGES ---- */
  .badge {
    display: inline-flex; align-items: center; padding: 3px 10px;
    border-radius: 999px; font-size: 11px; font-weight: 600; letter-spacing: 0.2px;
  }
  .badge-success { background: var(--success-bg); color: var(--success-text); border: 1px solid var(--success-border); }
  .badge-danger { background: var(--danger-bg); color: var(--danger-text); border: 1px solid var(--danger-border); }
  .badge-info { background: var(--primary-100); color: var(--primary-dark); border: 1px solid var(--primary-200); }

  /* ---- DASHBOARD ---- */
  .summary-cards { display: grid; grid-template-columns: repeat(4, 1fr); gap: 20px; margin-bottom: 24px; }
  .summary-card {
    background: linear-gradient(180deg, var(--card) 0%, var(--card-grad-end) 100%);
    border: 1px solid var(--border);
    border-radius: var(--radius); padding: 20px;
    box-shadow: var(--shadow-xs);
    transition: all 0.35s ease;
    position: relative; overflow: hidden;
  }
  .summary-card::before {
    content: ''; position: absolute; top: 0; left: 0; right: 0; height: 3px;
    background: var(--sc-accent, var(--primary)); border-radius: var(--radius) var(--radius) 0 0;
  }
  .summary-card:nth-child(1) { --sc-accent: #3b82f6; --sc-tint: 59,130,246; }
  .summary-card:nth-child(2) { --sc-accent: #f59e0b; --sc-tint: 245,158,11; }
  .summary-card:nth-child(3) { --sc-accent: #22c55e; --sc-tint: 34,197,94; }
  .summary-card:nth-child(4) { --sc-accent: #ef4444; --sc-tint: 239,68,68; }
  .summary-card:nth-child(5) { --sc-accent: #8b5cf6; --sc-tint: 139,92,246; }
  .summary-card .sc-value { color: var(--sc-accent, var(--primary)) !important; }
  @media (hover: hover) and (pointer: fine) {
    .summary-card:hover {
      transform: translateY(-4px);
      box-shadow: 0 8px 24px rgba(var(--sc-tint, 0,0,0), 0.18);
      background: linear-gradient(180deg, rgba(var(--sc-tint, 0,0,0), 0.08) 0%, var(--card-grad-end) 100%);
    }
    .summary-card:hover::before {
      height: 4px;
    }
  }
  .summary-card { animation: fadeInUp 0.5s var(--ease) both; }
  .summary-card:nth-child(1) { animation-delay: 0.05s; }
  .summary-card:nth-child(2) { animation-delay: 0.12s; }
  .summary-card:nth-child(3) { animation-delay: 0.19s; }
  .summary-card:nth-child(4) { animation-delay: 0.26s; }
  .summary-card .sc-label { font-size: 12px; color: var(--muted); font-weight: 600; text-transform: uppercase; letter-spacing: 0.5px; }
  .summary-card .sc-value { font-size: 28px; font-weight: 800; color: var(--text); margin: 8px 0 4px; letter-spacing: -0.5px; font-variant-numeric: tabular-nums; animation: countUp 0.6s var(--ease) both; animation-delay: 0.3s; }
  .summary-card .sc-sub { font-size: 12px; color: var(--muted); font-weight: 400; }
  .kal-farb-dot { display:inline-block;width:28px;height:28px;border-radius:50%;border:3px solid transparent;transition:border-color 0.15s,transform 0.15s; }
  .kal-farb-dot:hover { transform:scale(1.15); }
  input[name="kalIcalFarbe"]:checked + .kal-farb-dot { border-color:#fff;transform:scale(1.15);box-shadow:0 0 0 2px var(--primary); }
  .aktives-objekt-card {
    background: linear-gradient(135deg, var(--sidebar-bg) 0%, #1e293b 50%, var(--primary) 100%);
    color: white; border-radius: var(--radius-lg); padding: 30px; margin-bottom: 24px;
    text-align: center; box-shadow: 0 8px 30px rgba(26,35,50,0.35);
    position: relative; overflow: hidden;
  }
  .aktives-objekt-card::before {
    content: ''; position: absolute; inset: 0;
    background: radial-gradient(circle at 15% 85%, rgba(34,197,94,0.25) 0%, transparent 50%),
                radial-gradient(circle at 85% 15%, rgba(21,128,61,0.2) 0%, transparent 50%),
                radial-gradient(circle at 50% 50%, rgba(255,255,255,0.03) 0%, transparent 70%);
  }
  .aktives-objekt-card .ao-label { font-size: 11px; text-transform: uppercase; letter-spacing: 2px; opacity: 0.8; margin-bottom: 10px; position: relative; }
  .aktives-objekt-card .ao-name {
    display: inline-block; background: rgba(255,255,255,0.2); backdrop-filter: blur(10px);
    color: white; padding: 10px 32px;
    border-radius: 999px; font-size: 18px; font-weight: 700; margin-bottom: 10px;
    border: 1px solid rgba(255,255,255,0.3); position: relative;
  }
  .aktives-objekt-card .ao-details { font-size: 13px; opacity: 0.85; position: relative; }

  /* ---- ALERTS ---- */
  .alert {
    padding: 8px 12px; border-radius: var(--radius-sm); font-size: 12px;
    margin-bottom: 10px; font-weight: 500; display: flex; align-items: flex-start; gap: 8px; line-height: 1.5;
  }
  .alert-info { background: var(--primary-50); border: 1px solid var(--primary-200); color: var(--primary-dark); }
  .alert-warning { background: var(--warning-bg); border: 1px solid var(--warning-border); color: var(--warning-text); }

  /* ---- SEPARATOR ---- */
  .section-divider { border: none; border-top: 1px solid var(--border-light); margin: 20px 0; }

  /* ---- PRINT ---- */
  @media print {
    html, body { overflow: visible !important; height: auto !important; }
    #mainApp { display: block !important; height: auto !important; }
    nav.sidebar, header, #yearBanner, .sticky-top-wrapper, .no-print { display: none !important; }
    body { background: white; font-family: 'Segoe UI', Arial, sans-serif; }
    main { padding: 0; overflow: visible !important; }
    .app-layout { display: block; overflow: visible !important; }
    .card { border: 1px solid #ccc; box-shadow: none; }
    .page { display: none !important; }
    .page.print-active { display: block !important; padding: 0 !important; margin: 0 !important; }
    .print-page-break { page-break-after: always; break-after: page; height: 0; margin: 0; padding: 0; }
    .abrechnung-header {
      background: var(--primary) !important;
      -webkit-print-color-adjust: exact;
      print-color-adjust: exact;
    }
    .abrechnung-body { padding: 12px 0; }
    @page { margin: 15mm 12mm; }
    .result-guthaben, .result-nachzahlung, .total-box {
      -webkit-print-color-adjust: exact;
      print-color-adjust: exact;
    }
    .abrechnung-block, .bescheinigung-block, .cost-row, .anschreiben-block {
      page-break-inside: avoid; break-inside: avoid;
    }
    table { page-break-inside: auto; }
    tr { page-break-inside: avoid; break-inside: avoid; }
    @page { counter-increment: page; }
    .print-active::after { content: none; }

    /* Mieter-Einzelabrechnungen: Seitenumbruch vor jedem Mieter-Block */
    .print-page-break + .print-page-break { page-break-before: always; break-before: page; }
    .print-page-break:first-child { page-break-before: auto; }

    /* Tabellen in der Abrechnung: saubere Rahmen */
    .print-active table { border-collapse: collapse; width: 100%; }
    .print-active table th,
    .print-active table td { border: 1px solid var(--border-strong); padding: 4px 8px; }
    .print-active table th { background: var(--bg-subtle) !important; -webkit-print-color-adjust: exact; print-color-adjust: exact; }

    /* Bescheinigung-Blöcke (§35a): Seitenumbruch */
    .bescheinigung-block { page-break-before: always; break-before: page; }
    .bescheinigung-block:first-child { page-break-before: auto; }

    /* Branding-Fußzeile im Druck */
    .print-active::after {
      content: 'Erstellt mit nebenkosten-guru.de';
      display: block; text-align: center; font-size: 7pt; color: #bbb;
      margin-top: 20px; padding-top: 8px; border-top: 0.5px solid #ddd;
    }
  }

  /* ---- SKIP LINK (Accessibility) ---- */
  .skip-link {
    position: absolute; left: -9999px; top: auto; width: 1px; height: 1px; overflow: hidden;
    background: var(--primary); color: var(--text-on-primary); padding: 12px 24px;
    font-size: 14px; font-weight: 600; border-radius: 0 0 var(--radius-sm) var(--radius-sm);
    z-index: 99999; text-decoration: none;
  }
  .skip-link:focus {
    position: fixed; left: 50%; top: 0; transform: translateX(-50%);
    width: auto; height: auto; overflow: visible;
  }

  /* ---- RESPONSIVE ---- */
  /* ---- HAMBURGER BUTTON ---- */
  .hamburger-btn {
    display: none; background: none; border: none; color: white; cursor: pointer;
    padding: 6px; font-size: 22px; line-height: 1;
  }
  .sidebar-overlay {
    display: none; position: fixed; inset: 0; background: rgba(0,0,0,0.4);
    z-index: 199;
  }
  .sidebar-overlay.show { display: block; }

  @media (max-width: 768px) {
    .grid-2, .grid-3, .grid-4 { grid-template-columns: 1fr; }
    .summary-cards { grid-template-columns: 1fr 1fr; }
    .hamburger-btn { display: block; }
    nav.sidebar {
      position: fixed; left: -260px; top: 0; bottom: 0; z-index: 200;
      width: 240px; min-width: 240px; padding: 20px 10px;
      transition: left 0.3s ease;
      box-shadow: 4px 0 20px rgba(0,0,0,0.3);
    }
    nav.sidebar.mobile-open { left: 0; }
    nav.sidebar .nav-section, nav.sidebar a span { display: block; }
    nav.sidebar a { padding: 10px 14px; justify-content: flex-start; }
    main { padding: 12px 10px; overflow-x: hidden; }
    header { padding: 0 10px; gap: 4px; height: auto; min-height: 50px; flex-wrap: wrap; }
    header h1 { font-size: 13px; }
    header h1 a span { display: none; } /* "Nebenkostenabrechnung" Text ausblenden, nur Icon */
    .year-selector { gap: 4px; }
    .year-selector label { display: none; }
    .year-selector select { max-width: 70px; font-size: 12px; padding: 4px 6px; }
    .btn-icon { padding: 5px 8px; font-size: 12px; }
    .user-box { gap: 3px; }
    .user-badge { font-size: 10px; padding: 2px 6px; }
    #currentUserRole { display: none; }
    #objektIndikator { font-size: 11px; padding: 6px 10px; }
    .page-title { font-size: 18px; }
    .page-subtitle { font-size: 12px; margin-bottom: 12px; }
    .card { padding: 12px; margin-bottom: 10px; }
    .mieter-tab { padding: 6px 12px; font-size: 12px; }
    table { font-size: 12px; }
    table th, table td { padding: 4px 6px; }
    .card-accordion-header { font-size: 13px; }
    /* ALLE Seiten Mobile-Fix */
    .grid-2, .grid-3, .grid-4 { grid-template-columns: 1fr !important; gap: 10px !important; }
    .app-layout { overflow-x: hidden; }
    /* Tabellen scrollbar */
    table { display: block; overflow-x: auto; white-space: nowrap; }
    thead, tbody, tfoot, tr { display: table; width: 100%; table-layout: auto; }
    /* Profil */
    #profilePage .grid-2 { grid-template-columns: 1fr !important; }
    /* Mieterprüfung */
    #mieter-pruefungPage table { display: block; overflow-x: auto; }
    #mp-zeilen-container > div { overflow-x: auto; }
    /* Objekt-Detail */
    #objektDetailPage [style*="grid-template-columns: 1fr 1fr"] { grid-template-columns: 1fr !important; }
    /* Modal */
    .modal-content { width: 95%; max-width: none; margin: 10px; padding: 16px; }
    /* Buttons */
    .btn { font-size: 12px; padding: 6px 12px; }
    .btn-small { font-size: 11px; padding: 4px 8px; }
    /* Header Dropdown */
    .header-dropdown { right: -10px; min-width: 180px; }
    /* Input-with-unit */
    .input-with-unit { flex-wrap: nowrap; }
    .input-with-unit input { min-width: 0; }
    /* iOS Safari: Zoom bei Input-Focus verhindern */
    input, select, textarea { font-size: 16px !important; }
    /* Toast responsive */
    .toast { min-width: auto !important; max-width: calc(100vw - 32px) !important; right: 16px !important; left: 16px !important; }
    /* Tabs Touch-Target mindestens 44px */
    .mieter-tab { padding: 10px 14px !important; font-size: 13px !important; min-height: 44px; }
  }

  @media (max-width: 480px) {
    .summary-cards { grid-template-columns: 1fr; }
    .user-box { width: 100%; justify-content: flex-end; margin-top: 4px; }
  }

  /* ===== HILFE / RECHTLICHE INFOS ===== */
  .hilfe-item {
    border: 1px solid var(--border);
    border-radius: var(--radius);
    margin-bottom: 10px;
    overflow: hidden;
    transition: box-shadow var(--duration) var(--ease);
  }
  .hilfe-item:hover { box-shadow: var(--shadow-sm); }
  .hilfe-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 14px 18px;
    background: var(--card);
    color: var(--text);
    cursor: pointer;
    font-weight: 600;
    font-size: 14px;
    user-select: none;
    transition: background var(--duration) var(--ease), color var(--duration) var(--ease);
  }
  .hilfe-header:hover { background: var(--bg-subtle); }
  .hilfe-header.open { background: var(--primary-50); border-bottom: 1px solid var(--primary-200); color: var(--primary); }
  .hilfe-arrow { font-size: 11px; color: var(--muted); transition: transform var(--duration) var(--ease); }
  .hilfe-header.open .hilfe-arrow { transform: rotate(90deg); color: var(--primary); }
  .hilfe-body {
    display: none;
    padding: 18px;
    font-size: 13.5px;
    line-height: 1.7;
    background: var(--card-bg);
    color: var(--text);
  }
  .hilfe-body p { margin: 0 0 10px; }
  .hilfe-body ul { margin: 6px 0 10px 20px; }
  .hilfe-body li { margin-bottom: 5px; }
  .hilfe-table { width: 100%; border-collapse: separate; border-spacing: 0; margin: 8px 0 12px; font-size: 13px; }
  .hilfe-table th { background: var(--bg-subtle); padding: 8px 12px; text-align: left; font-weight: 600; border-bottom: 2px solid var(--border); color: var(--text); }
  .hilfe-table td { padding: 8px 12px; border-bottom: 1px solid var(--border-light); vertical-align: top; color: var(--text-secondary, var(--text)); }
  .hilfe-table tr:last-child td { border-bottom: none; }
  .hilfe-table tr:hover td { background: var(--bg-subtle); }
  .hilfe-hinweis { padding: 12px 16px; border-radius: var(--radius-sm); font-size: 12.5px; margin-top: 10px; font-weight: 500; }
  .hilfe-ok   { background: var(--success-bg); border: 1px solid var(--success-border); color: var(--success, #047857); }
  .hilfe-warn, .hilfe-warnung { background: var(--warning-bg); border: 1px solid var(--warning-border, #fed7aa); color: var(--warning-text, #c2410c); }
  .hilfe-info { background: var(--info-bg, var(--primary-50)); border: 1px solid var(--info-border, var(--primary-200)); color: var(--info-text, var(--primary-dark)); }

  /* Workflow-Schritte */
  .anl-step-box {
    display: flex; flex-direction: column; align-items: center; justify-content: center;
    background: var(--card); border: 1.5px solid var(--border); border-radius: var(--radius);
    padding: 16px 12px; min-width: 110px; flex: 1; cursor: pointer;
    transition: all var(--duration) var(--ease); text-align: center;
    position: relative; box-shadow: var(--shadow-xs);
  }
  .anl-step-box:hover {
    background: var(--primary-50); border-color: var(--primary-200);
    box-shadow: var(--shadow-md); transform: translateY(-3px);
  }
  .anl-step-num {
    position: absolute; top: 8px; left: 10px;
    font-size: 10px; font-weight: 700; color: var(--primary);
    background: var(--primary-50); width: 20px; height: 20px;
    border-radius: 50%; display: flex; align-items: center; justify-content: center;
  }
  .anl-step-icon { font-size: 24px; margin-bottom: 6px; }
  .anl-step-label { font-weight: 700; font-size: 13px; color: var(--text); }
  .anl-step-sub { font-size: 11px; color: var(--muted); margin-top: 3px; }
  .anl-step-arrow {
    display: flex; align-items: center; justify-content: center;
    font-size: 20px; color: var(--primary-200); padding: 0 6px; flex-shrink: 0;
  }
  @media (max-width: 768px) {
    .anl-step-arrow { display: none; }
    .anl-step-box { min-width: 80px; }
  }

  /* ===== BENUTZERVERWALTUNG ===== */
  #loginOverlay {
    position: fixed; inset: 0; background: rgba(15,23,42,0.5); backdrop-filter: blur(8px);
    display: none; align-items: center; justify-content: center; z-index: 5000;
  }
  #loginOverlay.active { display: flex; }
  .login-card {
    width: min(440px, calc(100vw - 32px)); background: var(--card-bg);
    border-radius: var(--radius-xl); box-shadow: var(--shadow-xl); overflow: hidden;
    border: 1px solid var(--border);
  }
  .login-head { background: var(--sidebar-bg); color: #fff; padding: 22px 26px; }
  .login-head h2 { font-size: 20px; margin: 0 0 6px; font-weight: 700; }
  .login-head p { opacity: .86; font-size: 13px; }
  .login-body { padding: 24px 26px 28px; }
  .login-error { min-height: 18px; color: var(--danger); font-size: 12px; margin-top: 8px; font-weight: 500; }
  .user-box { display:flex; align-items:center; gap:8px; padding-left:12px; margin-left:4px; border-left:1px solid rgba(255,255,255,0.15); }
  .user-badge {
    background: rgba(255,255,255,0.12); border:1px solid rgba(255,255,255,0.2);
    color: white; border-radius:999px; padding:6px 14px; font-size:12px;
    white-space:nowrap; font-weight: 600;
  }
  .user-grid { display:grid; grid-template-columns: 1.1fr .8fr .9fr auto; gap:12px; align-items:end; }
  .user-role-note { font-size:12px; color: var(--muted); margin-top: 10px; }
  body.viewer-mode input:not([type="hidden"]), body.viewer-mode textarea,
  body.viewer-mode .page select, body.viewer-mode .page button,
  body.viewer-mode .page .btn, body.viewer-mode .page .btn-icon { pointer-events: none; }
  body.viewer-mode .page input, body.viewer-mode .page textarea,
  body.viewer-mode .page select, body.viewer-mode .page button,
  body.viewer-mode .page .btn { opacity: 0.72; }
  body.viewer-mode .allow-viewer, body.viewer-mode .allow-viewer * { pointer-events: auto !important; opacity: 1 !important; }
  #userAdminNav[hidden], #headerUserBox[hidden] { display:none !important; }

  /* ===== LOGIN CONTAINER (for server version) ===== */
  .login-container { display: flex; min-height: 100vh; }
  .login-container.page.active { display: flex !important; }
  .login-left {
    flex: 1.1; background: linear-gradient(135deg, var(--sidebar-bg) 0%, #1e293b 50%, var(--primary) 100%);
    color: white; padding: 48px; display: flex; align-items: center; justify-content: center;
    position: relative; overflow: hidden;
  }
  .login-left::before {
    content: ''; position: absolute; inset: 0;
    background: radial-gradient(ellipse at 20% 80%, rgba(34,197,94,0.3) 0%, transparent 50%),
                radial-gradient(ellipse at 80% 20%, rgba(21,128,61,0.25) 0%, transparent 50%),
                radial-gradient(circle at 50% 120%, rgba(74,222,128,0.15) 0%, transparent 40%);
  }
  .login-left::after {
    content: ''; position: absolute; top: -50%; right: -30%; width: 80%; height: 200%;
    background: radial-gradient(circle, rgba(255,255,255,0.04) 0%, transparent 60%);
    transform: rotate(-15deg);
  }
  .login-left-content { max-width: 380px; position: relative; z-index: 1; }
  .login-logo { font-size: 52px; margin-bottom: 24px; animation: fadeInUp 0.6s var(--ease) 0.1s both; }
  .login-logo svg { width: 52px; height: 52px; stroke-width: 1.5; color: white; }
  .login-left h1 { font-size: 34px; font-weight: 800; margin-bottom: 14px; letter-spacing: -0.5px; line-height: 1.2; animation: fadeInUp 0.6s var(--ease) 0.2s both; }
  .login-left p { font-size: 15px; opacity: 0.9; margin-bottom: 28px; line-height: 1.6; animation: fadeInUp 0.6s var(--ease) 0.3s both; }
  .login-features { display: flex; flex-direction: column; gap: 14px; }
  .login-feature {
    display: flex; align-items: center; gap: 14px; font-size: 14px; font-weight: 500;
    background: rgba(255,255,255,0.1); border-radius: var(--radius-sm);
    padding: 10px 14px; border: 1px solid rgba(255,255,255,0.15);
    backdrop-filter: blur(10px);
    transition: all 0.25s var(--ease);
    animation: fadeInUp 0.5s var(--ease) both;
  }
  .login-feature:nth-child(1) { animation-delay: 0.4s; }
  .login-feature:nth-child(2) { animation-delay: 0.5s; }
  .login-feature:nth-child(3) { animation-delay: 0.6s; }
  .login-feature:nth-child(4) { animation-delay: 0.7s; }
  .login-feature:hover { background: rgba(255,255,255,0.18); transform: translateX(4px); }
  .login-feature-icon { width: 24px; height: 24px; flex-shrink: 0; }
  .login-right {
    flex: 1; background: var(--card-bg); display: flex; align-items: center;
    justify-content: center; padding: 48px;
  }
  .login-box { width: 100%; max-width: 400px; animation: scaleIn 0.5s var(--ease) 0.15s both; }
  .login-title { font-size: 26px; font-weight: 800; color: var(--text); margin-bottom: 8px; letter-spacing: -0.3px; }
  .login-subtitle { font-size: 14px; color: var(--muted); margin-bottom: 28px; }
  .form-section { display: none; }
  .form-section.active { display: block; }
  .form-hint { font-size: 12px; color: var(--muted); margin-top: 14px; }
  .form-link { color: var(--primary); cursor: pointer; text-decoration: none; font-weight: 600; transition: color var(--duration) var(--ease); }
  .form-link:hover { color: var(--primary-dark); }

  /* ---- LOGIN MOBILE ---- */
  @media (max-width: 768px) {
    .login-container { flex-direction: column; overflow-x: hidden; }
    .login-left { flex: none; padding: 24px 16px; min-height: auto; }
    .login-left-content { max-width: 100%; }
    .login-left h1 { font-size: 20px; }
    .login-left p { font-size: 13px; margin-bottom: 12px; }
    .login-logo svg { width: 36px; height: 36px; }
    .login-features { display: none; }
    .login-right { flex: 1; padding: 20px 16px; }
    .login-box { max-width: 100%; }
    .login-title { font-size: 20px; }
    .login-subtitle { font-size: 13px; margin-bottom: 20px; }
    /* iOS Safari: Zoom bei Input-Focus verhindern (min 16px) */
    .login-right input, .login-right select, .login-right textarea { font-size: 16px !important; }
  }

  /* ===== MODALS ===== */
  .modal {
    display: none; position: fixed; z-index: 200; left: 0; top: 0; width: 100%; height: 100%;
    overflow: auto; background-color: rgba(15,23,42,0.6);
  }
  .modal.show { display: flex; align-items: center; justify-content: center; animation: modalFadeIn 0.3s var(--ease); }
  .modal-content {
    background-color: var(--card); padding: 0; border-radius: var(--radius-xl);
    box-shadow: var(--shadow-xl); max-width: 600px; width: 90%; max-height: 90vh;
    overflow-y: auto; border: 1px solid var(--border);
    animation: modalIn var(--duration-slow) var(--ease);
  }
  @keyframes modalIn {
    from { opacity: 0; transform: scale(0.93) translateY(16px); }
    to { opacity: 1; transform: scale(1) translateY(0); }
  }
  @keyframes modalFadeIn {
    from { opacity: 0; }
    to { opacity: 1; }
  }
  .modal-content { padding: 32px; }
  .modal-header {
    display: flex; justify-content: space-between; align-items: center;
    margin-bottom: 24px; padding-bottom: 16px; border-bottom: 1px solid var(--border-light);
  }
  .modal-title { font-size: 18px; font-weight: 700; color: var(--text); letter-spacing: -0.2px; }
  .modal-close {
    background: var(--bg-subtle); border: 1px solid var(--border); font-size: 18px;
    cursor: pointer; color: var(--muted); width: 32px; height: 32px; display: flex;
    align-items: center; justify-content: center; border-radius: var(--radius-sm);
    transition: all var(--duration) var(--ease);
  }
  .modal-close:hover { background: var(--danger-bg); color: var(--danger); border-color: var(--danger-border); }
  .modal-footer { display: flex; justify-content: flex-end; gap: 10px; margin-top: 24px; padding-top: 16px; border-top: 1px solid var(--border-light); }
  .btn-group { display: flex; gap: 10px; margin-top: 16px; }
  .hidden { display: none !important; }

  /* ═══ Jahres-Banner — prominenter Hinweis auf das aktive Abrechnungsjahr ═══ */
  #yearBanner {
    z-index: 90;
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 16px;
    border-radius: 12px;
    padding: 16px 24px;
    margin: 0 0 20px;
    box-shadow: 0 3px 12px rgba(0,0,0,0.12);
  }
  #yearBanner.yb-current {
    background: linear-gradient(135deg, var(--primary-darker, #0f4a25), var(--primary-dark, #166534), var(--primary, #22c55e));
    color: white;
  }
  #yearBanner .yb-objekt {
    font-size: 20px; font-weight: 800; letter-spacing: -0.3px;
    cursor: pointer; position: relative;
  }
  #yearBanner .yb-objekt input {
    background: transparent; color: inherit; border: none; font-size: inherit;
    font-weight: inherit; cursor: pointer; font-family: inherit; outline: none;
    text-align: center; width: 100%;
  }
  #yearBanner .yb-divider {
    width: 1px; height: 24px; background: rgba(255,255,255,0.3);
  }
  #yearBanner .yb-year {
    font-size: 18px; font-weight: 700; white-space: nowrap;
  }
  /* Dark Mode */
  :root[data-theme="dark"] #yearBanner.yb-current,
  :root[data-theme="auto"] #yearBanner.yb-current {
    background: linear-gradient(135deg, #052e16, #14532d, #166534);
    box-shadow: 0 3px 12px rgba(0,0,0,0.4);
  }
  /* Warning state */
  #yearBanner.yb-warn {
    background: var(--warning-bg); color: var(--warning-text);
    border: 2px solid var(--warning); font-size: 14px;
  }
  #yearBanner .yb-warn-icon { font-size: 18px; }
  /* Mobile */
  @media (max-width: 700px) {
    #yearBanner { padding: 12px 16px; gap: 12px; border-radius: 10px; }
    #yearBanner .yb-objekt { font-size: 16px; }
    #yearBanner .yb-year { font-size: 15px; }
  }

  /* ═══════════════════════════════════════════════════════
     MIETER-KARTE — Sections mit klarem Zebra-Rhythmus
     ═══════════════════════════════════════════════════════ */
  /* Die Karten selbst bekommen mehr Depth, damit Mieter klar getrennt sind */
  #mieterList > .card {
    box-shadow: 0 2px 6px rgba(15, 23, 42, 0.06), 0 1px 2px rgba(15, 23, 42, 0.04);
    border: 1px solid var(--border-strong);
    padding: 12px 14px;
  }

  /* Gemeinsame Section-Basis */
  .mcard-section {
    margin-top: 8px;
    padding: 10px 12px;
    border-radius: 8px;
  }
  .mcard-section + .mcard-section { margin-top: 6px; }

  /* Kollabierbare Sektionen */
  .mcard-section.collapsible .mcard-section__title { cursor: pointer; margin-bottom: 0; user-select: none; }
  .mcard-section.collapsible .mcard-section__title::after {
    content: '▾'; margin-left: auto; font-size: 12px; color: var(--muted-light); transition: transform 0.2s;
  }
  .mcard-section.collapsible.collapsed .mcard-section__title::after { transform: rotate(-90deg); }
  .mcard-section.collapsible .mcard-collapse-body { transition: max-height 0.25s ease, opacity 0.2s ease; overflow: hidden; }
  .mcard-section.collapsible.collapsed .mcard-collapse-body { max-height: 0 !important; opacity: 0; padding-top: 0; }
  .mcard-section.collapsible:not(.collapsed) .mcard-section__title { margin-bottom: 8px; }

  /* Quick-Info Zeile */
  .mieter-quickinfo {
    display: grid; grid-template-columns: repeat(4, 1fr); gap: 8px;
    margin: 8px 0; padding: 10px 12px;
    background: linear-gradient(135deg, var(--success-bg) 0%, color-mix(in srgb, var(--success) 22%, var(--success-bg)) 100%);
    border: 1px solid var(--success-border); border-radius: var(--radius-xs);
    box-shadow: inset 0 1px 0 rgba(255,255,255,0.06);
    font-size: 12px;
  }
  .mieter-quickinfo label { font-size: 10px; text-transform: uppercase; color: var(--muted); letter-spacing: 0.3px; margin-bottom: 2px; display: block; }
  .mieter-quickinfo .qi-val { font-weight: 700; font-size: 13px; color: var(--text); }
  @media (max-width: 700px) { .mieter-quickinfo { grid-template-columns: 1fr 1fr; } }

  /* Section-Typ A: helles Grau (dezent, für Routine-Daten) */
  .mcard-section--grey {
    background: var(--border-light);
    border: 1px solid var(--border);
  }
  /* Section-Typ B: dunkleres Grau (deutlich abgesetzt) */
  .mcard-section--grey-dark {
    background: var(--border);
    border: 1px solid var(--border-strong);
  }
  /* Section-Typ C: weiß mit sichtbarem Schatten (für hervorgehobene Blöcke) */
  .mcard-section--white {
    background: var(--card-bg);
    border: 1px solid var(--border-strong);
    box-shadow: 0 1px 3px rgba(15, 23, 42, 0.05);
  }

  /* Section-Header (einheitlich) */
  .mcard-section__title {
    font-size: 12px;
    font-weight: 700;
    color: var(--primary);
    display: flex;
    align-items: center;
    gap: 6px;
    margin-bottom: 8px;
    letter-spacing: 0.1px;
  }
  .mcard-section__title i[data-lucide] {
    width: 15px; height: 15px;
  }
  .mcard-section__title-extra {
    margin-left: auto;
    font-size: 12px;
    font-weight: 500;
  }

  /* ═══ Help Tooltip System ═══ */
  .help-tip {
    display: inline-flex; align-items: center; justify-content: center;
    width: 16px; height: 16px; border-radius: 50%;
    background: var(--border); color: var(--muted); font-size: 10px; font-weight: 700;
    cursor: help; position: relative; margin-left: 4px; flex-shrink: 0;
    transition: background 0.15s, color 0.15s;
    text-decoration: none; line-height: 1;
  }
  .help-tip:hover { background: var(--primary, #2d6a4f); color: #fff; }
  .help-tip::after {
    content: attr(data-tip);
    position: absolute; bottom: calc(100% + 6px); left: 50%; transform: translateX(-50%);
    background: var(--sidebar-bg); color: #f8fafc; font-size: 11px; font-weight: 400;
    padding: 6px 10px; border-radius: var(--radius-xs); white-space: normal; width: max-content; max-width: 260px;
    opacity: 0; pointer-events: none; transition: opacity 0.15s;
    z-index: 9999; line-height: 1.4; text-transform: none; letter-spacing: 0;
    box-shadow: 0 4px 12px rgba(0,0,0,0.15);
  }
  .help-tip:hover::after { opacity: 1; }
  /* Arrow */
  .help-tip::before {
    content: ''; position: absolute; bottom: calc(100% + 2px); left: 50%; transform: translateX(-50%);
    border: 4px solid transparent; border-top-color: var(--sidebar-bg);
    opacity: 0; pointer-events: none; transition: opacity 0.15s; z-index: 9999;
  }
  .help-tip:hover::before { opacity: 1; }
  .help-tip.active::after { opacity: 1; pointer-events: auto; }
  .help-tip.active::before { opacity: 1; }
  /* Mobile: tooltips wider */
  @media (max-width: 700px) {
    .help-tip::after { max-width: 200px; left: auto; right: 0; transform: none; }
    .help-tip::before { left: auto; right: 8px; transform: none; }
  }

  /* Mietminderung-Varianten */
  .mcard-section--mm-inactive {
    background: var(--card-bg);
    border: 1px dashed var(--border-strong);
    padding: 10px 12px;
  }
  .mcard-section--mm-active {
    background: var(--warning-bg);
    border: 1px solid var(--warning-border);
    border-left: 4px solid var(--warning);
  }
  .mcard-section--mm-active .mcard-section__title {
    color: #b45309;
  }

  /* Footer-Band (Abrechnungs-Versand): klar abgesetzt, volle Breite */
  .mcard-footer {
    margin: 10px -14px -12px;
    padding: 10px 14px 12px;
    border-top: 1px solid var(--border-strong);
    background: var(--border);
    border-radius: 0 0 var(--radius) var(--radius);
  }
  .mcard-footer--warn {
    background: var(--warning-bg);
    border-top: 1px solid var(--warning-border);
    border-left: 4px solid var(--warning);
  }

  /* Labels innerhalb der Sections: klein, muted */
  .mcard-section label,
  .mcard-footer label {
    font-size: 11px;
    font-weight: 600;
    color: var(--muted);
    text-transform: uppercase;
    letter-spacing: 0.4px;
    margin-bottom: 5px;
    display: block;
  }

  /* Form-Groups innerhalb Sections: keine Default-Margin, eigene Kontrolle */
  .mcard-section .form-group,
  .mcard-footer .form-group {
    margin-bottom: 0;
  }
  .mcard-section .form-group + .form-group,
  .mcard-footer .form-group + .form-group {
    margin-top: 10px;
  }
  /* Innerhalb von Grids: kein margin-top zwischen form-groups, sonst verschieben sich
     die 2./3. Spalten gegenüber der 1. Spalte nach unten. Grids nutzen `gap` statt margin. */
  .mcard-section .grid-2 > .form-group + .form-group,
  .mcard-section .grid-3 > .form-group + .form-group,
  .mcard-footer .grid-2 > .form-group + .form-group,
  .mcard-footer .grid-3 > .form-group + .form-group {
    margin-top: 0;
  }
  .mcard-section .grid-2,
  .mcard-section .grid-3,
  .mcard-footer .grid-2,
  .mcard-footer .grid-3 {
    gap: 12px;
  }

  /* Inputs in Sections: einheitliche Höhe, weißer Hintergrund auch in grauen Sections */
  .mcard-section input[type="text"],
  .mcard-section input[type="number"],
  .mcard-section input[type="date"],
  .mcard-section select,
  .mcard-section textarea,
  .mcard-footer input[type="text"],
  .mcard-footer input[type="number"],
  .mcard-footer input[type="date"],
  .mcard-footer select,
  .mcard-footer textarea {
    background: var(--card-bg);
    border: 1px solid var(--border-strong);
    border-radius: var(--radius-xs);
    padding: 7px 10px;
    font-size: 13px;
    line-height: 1.2;
    height: 32px;
    width: 100%;
    box-sizing: border-box;
  }
  /* Date-Inputs: internen Edit-Container ohne Zusatz-Padding, gleiche Höhe wie Text */
  .mcard-section input[type="date"],
  .mcard-footer input[type="date"] {
    font-family: inherit;
  }
  .mcard-section input[type="date"]::-webkit-datetime-edit,
  .mcard-footer input[type="date"]::-webkit-datetime-edit {
    padding: 0;
  }
  .mcard-section input[type="date"]::-webkit-datetime-edit-fields-wrapper,
  .mcard-footer input[type="date"]::-webkit-datetime-edit-fields-wrapper {
    padding: 0;
  }
  /* Select: same height — Chrome-Default ist sonst etwas größer */
  .mcard-section select,
  .mcard-footer select {
    height: 32px;
    line-height: 1.2;
    padding-right: 28px;
  }
  .mcard-section input:focus,
  .mcard-section select:focus,
  .mcard-section textarea:focus,
  .mcard-footer input:focus,
  .mcard-footer select:focus,
  .mcard-footer textarea:focus {
    outline: 2px solid var(--primary);
    outline-offset: 1px;
    border-color: var(--primary);
  }

  /* Bewohner-Zeile: klar definiert mit sichtbaren Inputs */
  .bewohner-row {
    display: grid;
    grid-template-columns: 1fr 1fr 130px 100px 100px 32px;
    gap: 8px;
    align-items: center;
    padding: 8px 10px;
    background: var(--card-bg);
    border: 1px solid var(--border-strong);
    border-radius: 6px;
    font-size: 13px;
  }
  .bew-rolle-select {
    background: transparent; border: 1px solid var(--border); border-radius: 4px;
    padding: 2px 4px; font-size: 11px; font-family: inherit; color: var(--text-secondary);
    cursor: pointer; min-width: 0;
  }
  .bew-rolle-select:focus { outline: 1px solid var(--primary); }
  .bew-rolle-select option[value="vertragspartner"] { font-weight: 600; }
  .bew-rolle-select option[value="untermieter"] { color: #6b7280; }
  .bewohner-row + .bewohner-row { margin-top: 6px; }
  .bewohner-row--auszug {
    background: var(--danger-bg);
    border-color: var(--danger-border);
  }
  .bewohner-row input {
    background: transparent !important;
    border: none !important;
    padding: 2px 4px !important;
    font-size: 13px !important;
    width: 100% !important;
    min-width: 0;
  }
  .bewohner-row input:focus {
    outline: 1px solid var(--primary);
    background: var(--card-bg) !important;
  }
  .bewohner-row .bew-date-input {
    font-size: 12px !important;
    text-align: center;
    color: var(--muted) !important;
  }
  .bewohner-row--auszug .bew-date-input {
    color: var(--danger) !important;
  }
  .bewohner-row .btn-auszug,
  .bewohner-row .btn-remove-bewohner {
    padding: 3px 8px;
    font-size: 11px;
    white-space: nowrap;
    border-radius: 4px;
  }
  .bewohner-row .btn-remove-bewohner {
    padding: 3px 6px;
    color: var(--danger);
    background: transparent;
    border: 1px solid transparent;
    cursor: pointer;
    font-size: 14px;
  }
  .bewohner-row .btn-remove-bewohner:hover {
    background: var(--danger-bg);
    border-color: var(--danger-border);
  }

  /* Inline-Alerts (EBK-Warnung, § 551, Bürgschaft) */
  .mcard-alert {
    margin-top: 8px;
    padding: 9px 12px;
    border-radius: var(--radius-xs);
    font-size: 12px;
    display: flex;
    align-items: flex-start;
    gap: 8px;
    line-height: 1.4;
  }
  .mcard-alert--warn {
    background: var(--warning-bg);
    border: 1px solid var(--warning-border);
    color: var(--warning-text);
  }
  .mcard-alert--info {
    background: var(--info-bg);
    border: 1px solid #bfdbfe;
    color: #1e40af;
  }
  .mcard-alert i[data-lucide] {
    width: 14px; height: 14px;
    flex-shrink: 0;
    margin-top: 1px;
  }
  .mcard-hint {
    font-size: 11px;
    color: var(--muted);
    margin-top: 6px;
  }

  /* Checkboxen-Zeile in Ausstattung */
  .mcard-checkbox-row {
    display: flex;
    flex-wrap: wrap;
    gap: 20px;
    font-size: 13px;
    font-weight: 500;
    color: var(--text);
  }
  .mcard-checkbox-row label {
    text-transform: none !important;
    letter-spacing: 0 !important;
    font-size: 13px !important;
    font-weight: 500 !important;
    color: var(--text) !important;
    display: flex !important;
    align-items: center;
    gap: 7px;
    margin: 0 !important;
    cursor: pointer;
  }

  /* Mobile: Grids kollabieren, Bewohner-Zeile stapeln */
  @media (max-width: 700px) {
    .bewohner-row {
      grid-template-columns: 1fr 1fr;
      gap: 6px;
    }
    .bewohner-row > :nth-child(3) {
      grid-column: 1 / -1;
    }
    .bewohner-row > :nth-child(4),
    .bewohner-row > :nth-child(5) {
      grid-column: span 1;
    }
    .bewohner-row > :nth-child(6) {
      grid-column: 1 / -1;
      justify-self: end;
    }
  }

  /* ===== LOADING & SKELETON ===== */
  .skeleton {
    background: linear-gradient(90deg, var(--bg-subtle) 25%, var(--border-light) 50%, var(--bg-subtle) 75%);
    background-size: 200% 100%; animation: shimmer 1.5s infinite;
    border-radius: var(--radius-sm); min-height: 20px;
  }

  /* ===== TOAST NOTIFICATIONS ===== */
  .toast-container { position: fixed; top: 76px; right: 24px; z-index: 9999; display: flex; flex-direction: column; gap: 8px; }
  .toast {
    padding: 12px 20px; border-radius: var(--radius); font-size: 13px; font-weight: 500;
    box-shadow: var(--shadow-lg); display: flex; align-items: center; gap: 10px;
    animation: fadeInUp 0.35s var(--ease), fadeOut 0.35s var(--ease) forwards;
    animation-delay: 0s, 3s; min-width: 280px; max-width: 400px;
    border: 1px solid transparent; backdrop-filter: blur(12px);
  }
  .toast-success { background: var(--success-bg); color: var(--success); border-color: var(--success-border); }
  .toast-error { background: var(--danger-bg); color: var(--danger-text); border-color: var(--danger-border); }
  .toast-info { background: var(--info-bg); color: var(--info-text); border-color: var(--info-border); }
  .toast svg { width: 16px; height: 16px; flex-shrink: 0; }
  @keyframes fadeOut { from { opacity: 1; transform: translateY(0); } to { opacity: 0; transform: translateY(-10px); } }

  /* ===== PROGRESS INDICATOR ===== */
  .progress-bar {
    width: 100%; height: 3px; background: var(--border-light);
    border-radius: 3px; overflow: hidden;
  }
  .progress-bar-fill {
    height: 100%; background: var(--accent-gradient); background-size: 200% 100%;
    animation: shimmer 1.2s infinite; border-radius: 3px;
    transition: width 0.4s var(--ease);
  }

  /* ===== NUMBER HIGHLIGHT ===== */
  .num-highlight {
    display: inline-block; animation: countUp 0.5s var(--ease) both;
    font-variant-numeric: tabular-nums;
  }

  /* ===== HOVER CARD GLOW ===== */
  .card-glow:hover {
    box-shadow: var(--shadow-md), var(--shadow-glow);
  }

  /* ===== MIETMINDERUNG BADGE ===== */
  .badge-mietminderung {
    background: var(--warning-bg); color: var(--warning-text); border: 1px solid var(--warning-border);
    padding: 2px 8px; border-radius: 999px; font-size: 11px; font-weight: 600;
    display: inline-flex; align-items: center; gap: 4px;
    animation: scaleIn 0.3s var(--ease);
  }
  .badge-mietminderung svg { width: 12px; height: 12px; }

  /* ===== SCROLLBAR ===== */
  ::-webkit-scrollbar { width: 6px; height: 6px; }
  ::-webkit-scrollbar-track { background: transparent; }
  ::-webkit-scrollbar-thumb { background: var(--border); border-radius: 99px; }
  ::-webkit-scrollbar-thumb:hover { background: var(--muted); }

  /* ===== SELECTION ===== */
  ::selection { background: var(--primary-100); color: var(--primary-dark); }

  /* ===== nk-* (Dashboard-KPIs, animierte Listen, interaktive Tabellen) ===== */
  @keyframes nk-fadeIn {
    from { opacity: 0; transform: translateY(8px) scale(0.97); }
    to   { opacity: 1; transform: translateY(0) scale(1); }
  }
  .nk-anim-item { opacity: 0; animation: nk-fadeIn 0.3s ease-out forwards; }
  .nk-anim-item:nth-child(1)  { animation-delay: 0.02s; }
  .nk-anim-item:nth-child(2)  { animation-delay: 0.05s; }
  .nk-anim-item:nth-child(3)  { animation-delay: 0.08s; }
  .nk-anim-item:nth-child(4)  { animation-delay: 0.11s; }
  .nk-anim-item:nth-child(5)  { animation-delay: 0.14s; }
  .nk-anim-item:nth-child(6)  { animation-delay: 0.17s; }
  .nk-anim-item:nth-child(7)  { animation-delay: 0.20s; }
  .nk-anim-item:nth-child(8)  { animation-delay: 0.23s; }
  .nk-anim-item:nth-child(9)  { animation-delay: 0.26s; }
  .nk-anim-item:nth-child(10) { animation-delay: 0.29s; }
  .nk-anim-item:nth-child(n+11) { animation-delay: 0.32s; }

  .nk-scroll-container { position: relative; }
  .nk-scroll-container::before,
  .nk-scroll-container::after {
    content: ''; position: absolute; left: 0; right: 0; height: 32px;
    pointer-events: none; z-index: 2; opacity: 0; transition: opacity 0.3s ease;
  }
  .nk-scroll-container::before { top: 0; background: linear-gradient(to bottom, var(--card-bg), transparent); }
  .nk-scroll-container::after { bottom: 0; background: linear-gradient(to top, var(--card-bg), transparent); }
  .nk-scroll-container.nk-grad-top::before { opacity: 1; }
  .nk-scroll-container.nk-grad-bottom::after { opacity: 1; }

  .nk-table-interactive tbody tr {
    transition: background-color 0.15s ease, transform 0.15s ease, box-shadow 0.15s ease;
    border-radius: var(--radius-xs);
  }
  .nk-table-interactive tbody tr:hover {
    background-color: var(--primary-50);
    box-shadow: 0 2px 8px rgba(0,0,0,0.06);
  }
  .nk-table-interactive tbody tr.nk-row-selected {
    background-color: var(--primary-100);
    box-shadow: inset 3px 0 0 var(--primary);
  }
  .nk-table-interactive tbody tr.nk-row-focus {
    outline: 2px solid var(--primary);
    outline-offset: -2px;
  }

  @keyframes nk-kpiPop {
    from { opacity: 0; transform: scale(0.85); }
    to   { opacity: 1; transform: scale(1); }
  }
  .nk-kpi-card {
    animation: nk-kpiPop 0.35s cubic-bezier(0.34,1.56,0.64,1) forwards;
    opacity: 0;
    border: none;
    border-radius: 14px;
    background: rgba(var(--kpi-tint, 34,197,94), 0.08);
    cursor: pointer;
    user-select: none;
    position: relative;
    overflow: hidden;
    perspective: 600px;
    transition: transform 0.35s cubic-bezier(0.34,1.56,0.64,1), box-shadow 0.3s ease, background 0.3s ease;
  }
  .nk-kpi-card::after {
    content: '';
    position: absolute;
    inset: 0;
    background: radial-gradient(circle at var(--ripple-x,50%) var(--ripple-y,50%), rgba(255,255,255,0.35) 0%, transparent 60%);
    opacity: 0;
    transition: opacity 0.4s ease;
    pointer-events: none;
  }
  .nk-kpi-card:hover {
    transform: translateY(-6px) rotateX(4deg) rotateY(-2deg) scale(1.04);
    box-shadow: 0 12px 32px var(--kpi-shadow, rgba(0,0,0,0.15));
    background: rgba(var(--kpi-tint, 34,197,94), 0.14);
  }
  .nk-kpi-card:hover::after {
    opacity: 1;
  }
  .nk-kpi-card:active {
    transform: translateY(0) scale(0.96);
    box-shadow: 0 2px 8px rgba(0,0,0,0.1);
    transition-duration: 0.1s;
  }
  @keyframes kpiPulse {
    0% { box-shadow: 0 0 0 0 var(--kpi-glow, rgba(34,197,94,0.4)); }
    70% { box-shadow: 0 0 0 10px transparent; }
    100% { box-shadow: 0 0 0 0 transparent; }
  }
  .nk-kpi-card .kpi-nav-hint {
    font-size: 10px; margin-top: 6px; opacity: 0; transition: opacity 0.25s ease, transform 0.25s ease; transform: translateY(4px);
  }
  .nk-kpi-card:hover .kpi-nav-hint {
    opacity: 0.7; transform: translateY(0);
  }
  /* Jede Kachel eigene Pastell-Farbe wie Haus.Meister.Digital */
  .nk-kpi-card:nth-child(1) { --kpi-tint: 34,197,94; --kpi-shadow: rgba(34,197,94,0.25); }    /* Gruen */
  .nk-kpi-card:nth-child(2) { --kpi-tint: 59,130,246; --kpi-shadow: rgba(59,130,246,0.25); }   /* Blau */
  .nk-kpi-card:nth-child(3) { --kpi-tint: 245,158,11; --kpi-shadow: rgba(245,158,11,0.25); }   /* Amber */
  .nk-kpi-card:nth-child(4) { --kpi-tint: 139,92,246; --kpi-shadow: rgba(139,92,246,0.25); }   /* Violett */
  .nk-kpi-card:nth-child(5) { --kpi-tint: 239,68,68; --kpi-shadow: rgba(239,68,68,0.25); }     /* Rot */
  .nk-kpi-card:nth-child(6) { --kpi-tint: 6,182,212; --kpi-shadow: rgba(6,182,212,0.25); }     /* Cyan */
  .nk-kpi-card:nth-child(1) { animation-delay: 0s; }
  .nk-kpi-card:nth-child(2) { animation-delay: 0.06s; }
  .nk-kpi-card:nth-child(3) { animation-delay: 0.12s; }
  .nk-kpi-card:nth-child(4) { animation-delay: 0.18s; }
  .nk-kpi-card:nth-child(5) { animation-delay: 0.24s; }
  .nk-kpi-card:nth-child(6) { animation-delay: 0.30s; }

  @media (prefers-reduced-motion: reduce) {
    .nk-anim-item, .nk-kpi-card { opacity: 1 !important; transform: none !important; animation: none !important; }
  }

  /* ═══════════════════════════════════════════════════════
     RESPONSIVE OPTIMIERUNG — Tablet & Smartphone
     ═══════════════════════════════════════════════════════ */

  /* ---- TABLET (641px – 1024px) ---- */
  @media (max-width: 1024px) and (min-width: 641px) {
    header { padding: 0 14px; height: 54px; flex: 0 0 54px; gap: 6px; }
    header h1 { font-size: 15px; }
    .year-selector select { max-width: 80px; font-size: 13px; }
    .summary-cards { grid-template-columns: 1fr 1fr; gap: 14px; }
    .summary-card .sc-value { font-size: 24px; }
    main { padding: 16px 14px; }
    .modal-content { max-width: 560px; }
    /* Tabellen-Container scrollbar mit Scroll-Hint */
    #dashMieter, #dashKosten { display: block; overflow-x: auto; -webkit-overflow-scrolling: touch; }
    #dashMieter thead, #dashMieter tbody, #dashMieter tfoot, #dashMieter tr,
    #dashKosten thead, #dashKosten tbody, #dashKosten tfoot, #dashKosten tr {
      display: table; width: 100%; table-layout: auto;
    }
    .user-badge { font-size: 11px; padding: 4px 10px; }
    .nk-kpi-card { padding: 12px; }
  }

  /* ---- SMARTPHONE (max-width: 640px) ---- */
  @media (max-width: 640px) {
    /* -- Header kompakt: 2 saubere Zeilen -- */
    header { flex-wrap: wrap; gap: 4px 8px; padding: 8px 10px; height: auto; min-height: auto; flex: 0 0 auto; }
    /* Zeile 1: Hamburger + Home links, Icons rechts */
    header h1 { font-size: 0; line-height: 0; flex-shrink: 0; order: 1; }
    header h1 a i { width: 20px !important; height: 20px !important; }
    .header-icons { order: 2; margin-left: auto; gap: 3px !important; }
    /* Zeile 2: Jahr + More zentriert, volle Breite */
    header h1 + div { order: 3; flex: 1 1 100%; justify-content: center; margin: 0; }
    .year-selector { gap: 6px !important; }
    .year-selector label { font-size: 12px; }
    .year-selector select { max-width: 80px; font-size: 12px; padding: 4px 8px; }
    .year-selector .btn-icon { font-size: 11px !important; padding: 4px 8px !important; }
    /* HV-Vermieter-Selector verstecken auf Mobile */
    #hvVermieterSelector { display: none !important; }
    /* Icons kompakt */
    #currentUserName { display: none; }
    #currentUserRole { display: none; }
    .user-box { gap: 2px; padding-left: 4px; margin-left: 0; border-left: none; }
    .user-box .btn-icon { font-size: 11px; padding: 4px 6px; }
    .user-box .btn-icon i { width: 16px !important; height: 16px !important; }
    #themeToggle { padding: 4px; }
    #themeToggle i { width: 16px !important; height: 16px !important; }
    #messageBell .btn-icon { padding: 4px; }
    #messageBell .btn-icon i { width: 16px !important; height: 16px !important; }
    #notificationBell .btn-icon { padding: 4px; }
    #notificationBell .btn-icon i { width: 16px !important; height: 16px !important; }
    #notifDropdown { min-width: 260px !important; max-width: calc(100vw - 20px) !important; right: -40px !important; }
    /* More-Vertikal-Button */
    .vermieter-only.no-print .btn-icon { padding: 4px 6px; }
    .vermieter-only.no-print .btn-icon i { width: 16px !important; height: 16px !important; }
    .header-dropdown { min-width: 200px; right: 0; }
    /* Hamburger */
    .hamburger-btn { padding: 4px; font-size: 18px; }

    /* -- Frist-Banner §556 responsiv -- */
    #frist-banner > div { flex-wrap: wrap !important; gap: 8px !important; padding: 12px !important; }
    #frist-banner > div > span:first-child { flex: 0 0 auto !important; }
    #frist-banner > div > span:first-child i { width: 24px !important; height: 24px !important; }
    #frist-banner > div > div { flex: 1 1 100% !important; min-width: 0; }
    #frist-banner > div > div > div:nth-child(2) { font-size: 14px !important; }
    #frist-banner > div > div > div:nth-child(2) span { font-size: 17px !important; }
    #frist-banner > div > button { flex: 1 1 100% !important; text-align: center; }

    /* -- Dashboard KPI Cards -- */
    .summary-cards { grid-template-columns: 1fr 1fr !important; gap: 8px !important; margin-bottom: 14px; }
    .summary-card { padding: 10px 12px; }
    .summary-card .sc-value { font-size: 22px; margin: 4px 0 2px; }
    .summary-card .sc-label { font-size: 10px; letter-spacing: 0.3px; }
    .summary-card .sc-sub { font-size: 10px; }

    /* -- Dashboard-Tabellen (Mieter + Kosten): scrollbarer Container -- */
    #dashMieter, #dashKosten { font-size: 11px; }
    #dashMieter th, #dashMieter td,
    #dashKosten th, #dashKosten td { padding: 4px 5px; white-space: nowrap; }
    /* Ergebnis-Badge in Tabelle nicht abschneiden */
    #dashMieter td:last-child,
    #dashKosten td:last-child { white-space: nowrap; min-width: 80px; }

    /* -- Grids auf 1-spaltig -- */
    .grid-2, .grid-3, .grid-4 { grid-template-columns: 1fr !important; gap: 8px !important; }

    /* -- Mieter-QuickInfo: 2-spaltig -- */
    .mieter-quickinfo { grid-template-columns: 1fr 1fr; gap: 6px; padding: 8px 10px; }

    /* -- Modals -- */
    .modal-content { width: 95vw !important; max-width: none !important; min-width: auto !important; margin: 8px auto; padding: 16px !important; border-radius: 12px !important; }
    .modal-title { font-size: 16px; }
    .modal-header { margin-bottom: 14px; padding-bottom: 10px; }
    .modal-footer { gap: 6px; margin-top: 14px; padding-top: 10px; }
    .modal-footer .btn { flex: 1; text-align: center; }

    /* -- Inline-Style-Overrides für Modals mit min-width -- */
    div[style*="min-width:380px"],
    div[style*="min-width: 380px"],
    div[style*="min-width:420px"],
    div[style*="min-width: 420px"],
    div[style*="min-width:450px"],
    div[style*="min-width: 450px"] {
      min-width: auto !important; width: 100% !important;
    }

    /* -- Inline Grid Overrides -- */
    div[style*="grid-template-columns: 1fr 1fr"],
    div[style*="grid-template-columns:1fr 1fr"],
    div[style*="grid-template-columns: repeat(2"],
    div[style*="grid-template-columns:repeat(2"] {
      grid-template-columns: 1fr !important;
    }
    div[style*="grid-template-columns:repeat(auto-fill"] {
      grid-template-columns: 1fr !important;
    }

    /* -- Bewohner-Zeile -- */
    .bewohner-row { grid-template-columns: 1fr !important; gap: 4px; font-size: 12px; }
    .bewohner-row > * { grid-column: 1 / -1 !important; }

    /* -- Seiten-Titel -- */
    .page-title { font-size: 17px; }
    .page-subtitle { font-size: 11px; }

    /* -- Cards -- */
    .card { padding: 10px; margin-bottom: 8px; }
    .card-title { font-size: 13px; }

    /* -- NK KPI Cards: 2-spaltig -- */
    .nk-kpi-card { padding: 10px; }
    .nk-kpi-card + .nk-kpi-card { margin-top: 0; }

    /* -- Objekt-Cards Grid -- */
    #objekteCardGrid { grid-template-columns: 1fr !important; gap: 10px !important; }

    /* -- Year Banner kompakt -- */
    #yearBanner { font-size: 11px; padding: 5px 10px; gap: 6px; }
    #yearBanner .yb-year { font-size: 14px; }

    /* -- Overflow hidden auf body/main -- */
    main { overflow-x: hidden; }
    .app-layout { overflow-x: hidden; }

    /* -- Button-Gruppen wrap -- */
    .btn-group { flex-wrap: wrap; }
    div[style*="display:flex"][style*="gap:12px"],
    div[style*="display:flex"][style*="gap:14px"],
    div[style*="display:flex"][style*="gap: 12px"],
    div[style*="display:flex"][style*="gap: 14px"] {
      flex-wrap: wrap !important;
    }

    /* -- User-Grid (Benutzerverwaltung) -- */
    .user-grid { grid-template-columns: 1fr !important; gap: 8px; }

    /* -- Ticket-Tabellen: Mobile-Optimierung -- */
    .tk-col-alter, .tk-col-melder, .tk-col-zugewiesen, .tk-col-prio { display: none !important; }
    .tk-col-nr { font-size: 9px !important; letter-spacing: 0 !important; }
    .tk-table { min-width: auto !important; width: 100%; }
    .tk-table th, .tk-table td { padding: 6px 5px !important; font-size: 11px; }
    /* KPI-Karten: sauber 2-spaltig */
    #vtStatsRow { grid-template-columns: 1fr 1fr !important; gap: 8px !important; }
    #vtStatsRow .summary-card { min-width: 0 !important; }
    /* Filter: Suche volle Breite, Dropdowns als 2er-Grid darunter */
    .tk-filter-row { display: grid !important; grid-template-columns: 1fr 1fr !important; gap: 8px !important; }
    .tk-filter-row > div:first-child { grid-column: 1 / -1; }
    .tk-filter-row > div:last-child button { width: 100%; }
    .tk-filter-row label { font-size: 10px !important; margin-bottom: 2px !important; }
    .tk-filter-row select, .tk-filter-row input { font-size: 12px !important; padding: 6px 8px !important; }
    .tk-filter-row .btn { font-size: 11px !important; padding: 6px 10px !important; }
    /* Ticket-Seiten: vertikaler Scroll */
    #ticketsPage, #mieter-ticketsPage { overflow-y: auto !important; -webkit-overflow-scrolling: touch; padding-bottom: 80px !important; }
    /* Tabelle scrollbar */
    #ticketsPage .card > div[style*="overflow-x"],
    #mieter-ticketsPage .card > div[style*="overflow-x"] { -webkit-overflow-scrolling: touch; }

    /* -- Dashboard Antrags-Cards: stapeln auf Mobile -- */
    #dashAntraege div[style*="display:flex"][style*="align-items:center"][style*="gap:14px"] {
      flex-wrap: wrap !important; gap: 8px !important; padding: 10px 12px !important;
    }
    #dashAntraege div[style*="width:42px"] { width: 32px !important; height: 32px !important; border-radius: 8px !important; }
    #dashAntraege div[style*="width:42px"] i { width: 16px !important; height: 16px !important; }
    #dashAntraege div[style*="flex:1;min-width:0"] { flex: 1 1 100% !important; min-width: 0 !important; }
    #dashAntraege div[style*="display:flex"][style*="gap:8px"][style*="flex-shrink:0"] {
      flex: 1 1 100% !important; justify-content: flex-start !important;
    }
    #dashAntraege div[style*="flex-shrink:0"] .btn { font-size: 11px !important; padding: 5px 10px !important; }
  }

  /* -- Archiv-Karte (aufklappbar) -- */
  .card.archiv-open .archiv-body { display: block !important; }
  .card.archiv-open .archiv-chevron { transform: rotate(180deg); }
  .archiv-mieter-row, .archiv-user-row { opacity: 0.75; padding: 10px 12px; border-radius: 8px; background: var(--accent, rgba(0,0,0,0.03)); margin-bottom: 6px; display: flex; align-items: center; justify-content: space-between; flex-wrap: wrap; gap: 8px; font-size: 13px; }
  .archiv-mieter-row:hover, .archiv-user-row:hover { opacity: 1; }
  .archiv-section-label { font-size: 12px; font-weight: 600; color: var(--muted); text-transform: uppercase; letter-spacing: 0.5px; margin-bottom: 8px; margin-top: 4px; display: flex; align-items: center; gap: 6px; }

  /* ── Objekt Dropdown-Menü ── */
  .objekt-menu-item { display: block; width: 100%; padding: 10px 16px; background: none; border: none; text-align: left; font-size: 13px; color: var(--text); cursor: pointer; transition: background 0.15s; white-space: nowrap; }
  .objekt-menu-item:hover { background: var(--accent, rgba(0,0,0,0.05)); }
  .objekt-menu-danger { color: var(--danger, #ef4444) !important; }
  .objekt-menu-danger:hover { background: rgba(239,68,68,0.08) !important; }

  /* ── Objekt-Archiv-Card ── */
  #objektArchivCard.archiv-open .archiv-body { display: block !important; }
  #objektArchivCard.archiv-open .archiv-chevron { transform: rotate(180deg); }

  /* ---- Sehr kleine Screens (max-width: 380px) ---- */
  @media (max-width: 380px) {
    .summary-cards { grid-template-columns: 1fr !important; }
    header { padding: 4px 6px; }
    .year-selector select { max-width: 80px; }
    .modal-content { padding: 12px !important; }
    .card { padding: 8px; }
  }

  /* ---- Scroll-Hint für Tabellen (alle Größen) ---- */
  .table-scroll-wrapper {
    position: relative; overflow-x: auto; -webkit-overflow-scrolling: touch;
  }
  .table-scroll-wrapper::after {
    content: ''; position: absolute; top: 0; right: 0; bottom: 0; width: 24px;
    background: linear-gradient(to right, transparent, rgba(255,255,255,0.8));
    pointer-events: none; opacity: 0; transition: opacity 0.2s;
  }
  .table-scroll-wrapper.has-scroll::after { opacity: 1; }

  /* ---- Mobile: Text-Overflow-Fixes für Info-Boxen, Tabellen, Cards ---- */
  @media (max-width: 768px) {
    /* Info-Boxen (grüne Kästen): Text umbrechen statt überlaufen */
    .card div[style*="border:1px solid"],
    .card div[style*="border: 1px solid"],
    .mcard-section div[style*="background:var(--info-bg)"],
    .mcard-section div[style*="background:var(--success-bg)"],
    .mcard-section div[style*="background:var(--warning-bg)"],
    div[style*="border-left:3px solid"][style*="background:"],
    .hilfe-ok, .hilfe-warn,
    .mcard-alert, .mcard-alert--info {
      word-break: break-word !important;
      overflow-wrap: break-word !important;
      hyphens: auto !important;
      overflow: hidden !important;
    }

    /* Mehrspaltige Inline-Layouts in Info-Boxen → 1-spaltig */
    div[style*="display:flex"][style*="gap:"] > span,
    div[style*="display:flex"][style*="gap:"] > div {
      min-width: 0 !important;
    }

    /* Alle Tabellen scrollbar machen (nicht nur Dashboard) */
    table { display: block; overflow-x: auto; -webkit-overflow-scrolling: touch; }
    thead, tbody, tfoot { display: table; width: 100%; table-layout: auto; }

    /* Heizungs-Positionen-Tabelle, Betriebskosten-Tabelle */
    .card table { font-size: 12px; }
    .card table th, .card table td { padding: 4px 6px; white-space: nowrap; }
    .card table td:first-child { white-space: normal; min-width: 120px; max-width: 180px; word-break: break-word; }

    /* Versicherungssteuer Info-Box und ähnliche — Text nicht abschneiden */
    .card div[style*="font-size:12px"],
    .card div[style*="font-size:11px"],
    .card p, .card span {
      overflow-wrap: break-word;
      word-break: break-word;
    }

    /* Inline-Grids in Cards auf 1-spaltig wenn 3+ Spalten */
    div[style*="grid-template-columns: 1fr 1fr 1fr"],
    div[style*="grid-template-columns:1fr 1fr 1fr"],
    div[style*="grid-template-columns: repeat(3"],
    div[style*="grid-template-columns: repeat(4"],
    div[style*="grid-template-columns:repeat(3"],
    div[style*="grid-template-columns:repeat(4"] {
      grid-template-columns: 1fr !important;
    }

    /* Betriebskosten-Sections mit Aufklappbar */
    .mcard-section .mcard-collapse-body { overflow-x: auto; }

    /* Confirm-Dialog auf Mobile */
    .confirm-dialog { min-width: auto !important; width: 92vw !important; }

    /* KI-Diff-Modal auf Mobile */
    div[id*="kiDiff"] { min-width: auto !important; width: 95vw !important; max-height: 85vh; overflow-y: auto; }
  }