/* ============================================================
     Design: "Schweizer Kassabuch" — Swiss International Style
     applied to a ledger. Warm paper canvas, ink text, hairline
     rules, ledger-green accent. Red is reserved for negative
     amounts and destructive actions; amber marks pending work.
     Text is Switzer; amounts and codes are IBM Plex Mono.
     ============================================================ */

  /* Vendored fonts — local-first, no CDN at runtime.
     Switzer (Fontshare, ITF license): Swiss neo-grotesque for UI text.
     IBM Plex Mono (OFL): amounts, account numbers, references. */
  @font-face {
    font-family: 'Switzer'; font-weight: 400; font-style: normal; font-display: swap;
    src: url('/static/fonts/switzer-400.woff2') format('woff2');
  }
  @font-face {
    font-family: 'Switzer'; font-weight: 500; font-style: normal; font-display: swap;
    src: url('/static/fonts/switzer-500.woff2') format('woff2');
  }
  @font-face {
    font-family: 'Switzer'; font-weight: 600; font-style: normal; font-display: swap;
    src: url('/static/fonts/switzer-600.woff2') format('woff2');
  }
  @font-face {
    font-family: 'Switzer'; font-weight: 700; font-style: normal; font-display: swap;
    src: url('/static/fonts/switzer-700.woff2') format('woff2');
  }
  @font-face {
    font-family: 'IBM Plex Mono'; font-weight: 400; font-style: normal; font-display: swap;
    src: url('/static/fonts/plexmono-400.woff2') format('woff2');
  }
  @font-face {
    font-family: 'IBM Plex Mono'; font-weight: 500; font-style: normal; font-display: swap;
    src: url('/static/fonts/plexmono-500.woff2') format('woff2');
  }
  @font-face {
    font-family: 'IBM Plex Mono'; font-weight: 600; font-style: normal; font-display: swap;
    src: url('/static/fonts/plexmono-600.woff2') format('woff2');
  }

  :root {
    /* paper & ink */
    --bg: #f1efe9;
    --panel: #fcfbf8;
    --panel-2: #f5f3ed;
    --line: #ddd8cc;
    --line-soft: #e9e6dd;
    --fg: #21201b;
    --fg-dim: #56534a;
    --fg-muted: #8f8b7e;
    /* ledger green */
    --accent: #17674b;
    --accent-strong: #0f523b;
    --accent-soft: rgba(23,103,75,0.10);
    --accent-glow: rgba(23,103,75,0.045);
    /* semantic */
    --warn: #a06f10; --warn-soft: rgba(160,111,16,0.10);
    --err: #b23f2e; --err-soft: rgba(178,63,46,0.09);
    --ok: #1b7854; --ok-soft: rgba(27,120,84,0.10);
    --radius: 6px; --radius-lg: 10px;
    --font: 'Switzer', -apple-system, BlinkMacSystemFont, 'Segoe UI', system-ui, sans-serif;
    --mono: 'IBM Plex Mono', ui-monospace, 'SF Mono', 'Cascadia Code', 'Menlo', monospace;
    --shadow: 0 1px 2px rgba(58,50,32,0.05);
    --shadow-lg: 0 16px 40px rgba(48,40,24,0.18);
    --inset: rgba(58,50,32,0.055);
    --chart-tick: #8f8b7e;
    --chart-grid: rgba(58,50,32,0.07);
    --chevron: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='10' height='6'%3E%3Cpath d='M0 0l5 6 5-6z' fill='%238f8b7e'/%3E%3C/svg%3E");
    color-scheme: light;
  }

  /* Dark: the same ledger at night — warm near-black paper, brighter green. */
  [data-theme="dark"] {
    --bg: #1b1a15;
    --panel: #232219;
    --panel-2: #2b2a20;
    --line: #3b3930;
    --line-soft: #322f27;
    --fg: #e9e6da;
    --fg-dim: #b6b2a3;
    --fg-muted: #807c6e;
    --accent: #45a67d;
    --accent-strong: #5cbb92;
    --accent-soft: rgba(69,166,125,0.16);
    --accent-glow: rgba(69,166,125,0.07);
    --warn: #d3a145; --warn-soft: rgba(211,161,69,0.13);
    --err: #dd6f5b; --err-soft: rgba(221,111,91,0.13);
    --ok: #4caa81; --ok-soft: rgba(76,170,129,0.14);
    --shadow: 0 1px 2px rgba(0,0,0,0.35);
    --shadow-lg: 0 16px 40px rgba(0,0,0,0.55);
    --inset: rgba(255,255,255,0.06);
    --chart-tick: #807c6e;
    --chart-grid: rgba(255,255,255,0.07);
    --chevron: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='10' height='6'%3E%3Cpath d='M0 0l5 6 5-6z' fill='%23807c6e'/%3E%3C/svg%3E");
    color-scheme: dark;
  }

  * { box-sizing: border-box; margin: 0; padding: 0; }

  body {
    background: var(--bg); color: var(--fg);
    font: 400 13.5px/1.5 var(--font);
    min-height: 100vh; display: flex; flex-direction: column;
    -webkit-font-smoothing: antialiased;
  }

  /* The chrome (header + subnav) sits on the paper itself; content
     lives on warm-white cards. The page reads as one printed sheet. */
  header {
    padding: 0 24px; height: 52px;
    border-bottom: 1px solid var(--line);
    display: flex; align-items: center; gap: 18px;
    background: var(--bg);
    position: sticky; top: 0; z-index: 50;
  }

  .logo {
    font: 700 15px var(--font); letter-spacing: -0.01em;
    display: flex; align-items: center; gap: 8px;
    white-space: nowrap;
  }
  .logo-mark {
    width: 24px; height: 24px; border-radius: 6px;
    background: var(--accent);
    display: grid; place-items: center;
    font: 700 13px var(--font); color: #fdfcf9;
  }

  .mandate-wrap { display: flex; align-items: center; gap: 4px; }
  .mandate-wrap select {
    font: 500 12.5px var(--font); padding: 4px 24px 4px 9px;
    border-radius: var(--radius); background: var(--panel); color: var(--fg-dim);
    border: 1px solid var(--line); cursor: pointer;
    appearance: none;
    background-image: var(--chevron);
    background-repeat: no-repeat; background-position: right 7px center;
  }

  /* Faktura / Buchhaltung — segmented control, inset in the paper */
  .area-toggle {
    display: flex; gap: 2px; margin-left: auto;
    background: var(--inset); border-radius: 8px; padding: 2px;
  }
  .area-toggle button {
    font: 500 12.5px var(--font); padding: 5px 16px;
    border: 1px solid transparent; border-radius: 6px; cursor: pointer;
    color: var(--fg-muted); background: transparent;
    transition: color 0.15s, background 0.15s, box-shadow 0.15s;
    white-space: nowrap;
  }
  .area-toggle button:hover { color: var(--fg-dim); }
  .area-toggle button.active {
    color: var(--fg); background: var(--panel);
    border-color: var(--line); box-shadow: var(--shadow);
    font-weight: 600;
  }

  /* Subnav — editorial underline tabs on the paper */
  .subnav {
    padding: 0 24px; height: 42px;
    border-bottom: 1px solid var(--line);
    display: flex; align-items: center; gap: 2px;
    background: var(--bg);
  }
  .subnav button {
    font: 500 13px var(--font); padding: 0 13px;
    border: none; cursor: pointer;
    align-self: stretch; border-radius: 0;
    border-bottom: 2px solid transparent;
    color: var(--fg-muted); background: transparent;
    transition: color 0.15s, border-color 0.15s;
    white-space: nowrap;
  }
  .subnav button:hover { color: var(--fg-dim); }
  .subnav button.active {
    color: var(--fg); border-bottom-color: var(--accent); font-weight: 600;
  }

  /* Grouped subnav dropdowns */
  .nav-group { position: relative; display: inline-flex; align-self: stretch; }
  .nav-group > .nav-group-trigger { align-self: stretch; }
  /* CSS-drawn caret (a font glyph renders as a tiny dot at this size) */
  .nav-group-trigger .caret {
    display: inline-block; width: 0; height: 0; margin-left: 7px;
    border-left: 4.5px solid transparent; border-right: 4.5px solid transparent;
    border-top: 5.5px solid currentColor; opacity: 0.5;
    transition: transform 0.12s ease;
  }
  /* Gear settings dropdown (prefixed to beat `.subnav button`) */
  .subnav .nav-cog {
    font-size: 23px; line-height: 1; height: 30px; padding: 0 10px;
    border: 1px solid var(--line); border-radius: 7px;
    display: inline-flex; align-items: center; align-self: center;
    background: var(--panel); color: var(--fg-dim);
  }
  .subnav .nav-cog .caret { margin-left: 6px; }
  .nav-group.open > .nav-cog { border-color: var(--accent); color: var(--accent); }
  .nav-group.open > .nav-group-trigger { color: var(--fg); }
  .nav-group.open > .nav-group-trigger .caret { transform: rotate(180deg); display: inline-block; }
  .nav-menu {
    display: none; position: absolute; top: calc(100% + 4px); left: 0; z-index: 60;
    min-width: 180px; padding: 6px; flex-direction: column; gap: 1px;
    background: var(--panel); border: 1px solid var(--line); border-radius: var(--radius-lg);
    box-shadow: var(--shadow-lg);
  }
  .nav-menu-right { left: auto; right: 0; }
  .nav-group.open .nav-menu { display: flex; }
  .subnav .nav-menu button, .nav-menu > button {
    font: 500 13px var(--font); padding: 8px 12px; text-align: left;
    border: none; border-radius: var(--radius); cursor: pointer; white-space: nowrap;
    color: var(--fg-dim); background: transparent; align-self: auto;
  }
  .subnav .nav-menu button:hover, .nav-menu > button:hover { color: var(--fg); background: var(--panel-2); }
  .subnav .nav-menu button.active { color: var(--accent); background: var(--accent-soft); font-weight: 600; }

  main { flex: 1; padding: 24px 28px; width: 100%; }
  section { display: none; }
  section.active { display: block; }

  .section-header {
    display: flex; align-items: baseline; justify-content: space-between;
    margin-bottom: 18px; gap: 10px; flex-wrap: wrap;
  }
  .section-title { font: 650 20px/1.2 var(--font); letter-spacing: -0.015em; }

  .card {
    background: var(--panel); border: 1px solid var(--line);
    border-radius: var(--radius-lg); padding: 18px;
    margin-bottom: 14px; box-shadow: var(--shadow);
  }
  .card-label {
    font: 600 10.5px var(--font); color: var(--fg-muted);
    text-transform: uppercase; letter-spacing: 0.08em;
    margin-bottom: 6px;
  }
  .stat-grid {
    display: grid; grid-template-columns: repeat(auto-fit, minmax(150px, 1fr));
    gap: 12px; margin-bottom: 22px;
  }
  .stat-card {
    background: var(--panel); border: 1px solid var(--line);
    border-radius: var(--radius-lg); padding: 14px 18px 12px;
    box-shadow: var(--shadow);
  }
  .stat-value {
    font: 600 26px var(--mono); letter-spacing: -0.03em;
    line-height: 1.2; margin-top: 4px;
    font-variant-numeric: tabular-nums;
  }
  /* A stat card that is also the next action (e.g. "Offen -> jetzt buchen") */
  .stat-card-action { cursor: pointer; transition: border-color 0.12s, box-shadow 0.12s; }
  .stat-card-action:hover { border-color: var(--accent); box-shadow: 0 2px 10px rgba(48,40,24,0.10); }
  .stat-card-action:focus-visible { outline: none; border-color: var(--accent); box-shadow: 0 0 0 3px var(--accent-soft); }
  .stat-cta { font: 500 11.5px var(--font); color: var(--accent); margin-top: 5px; }

  /* Dashboard "Zu erledigen" inbox */
  .attention-card { padding: 12px 14px; }
  .attention-row {
    display: flex; align-items: center; gap: 10px;
    padding: 7px 8px; border-radius: var(--radius); cursor: pointer;
    font: 500 13px var(--font); color: var(--fg-dim);
    transition: background 0.12s, color 0.12s;
  }
  .attention-row:hover { background: var(--panel-2); color: var(--fg); }
  .attention-icon { width: 20px; text-align: center; }
  .attn-err .attention-icon { color: var(--err); }
  .attn-warn .attention-icon { color: var(--warn); }
  .attention-go { margin-left: auto; color: var(--fg-muted); }
  .attention-row:hover .attention-go { color: var(--accent); }

  .table-wrap {
    background: var(--panel); border: 1px solid var(--line);
    border-radius: var(--radius-lg); overflow: auto;
    box-shadow: var(--shadow);
  }
  table { width: 100%; border-collapse: collapse; font-size: 13px; }
  thead { background: var(--panel-2); }
  th {
    font: 600 10.5px var(--font); color: var(--fg-muted);
    text-transform: uppercase; letter-spacing: 0.07em;
    text-align: left; padding: 9px 14px;
    border-bottom: 1px solid var(--line);
  }
  /* Text cells read in the UI face; only amounts and codes are mono. */
  td {
    padding: 8px 14px; border-bottom: 1px solid var(--line-soft);
    font-size: 13px; font-variant-numeric: tabular-nums;
    vertical-align: middle;
    overflow: hidden; text-overflow: ellipsis; white-space: nowrap;
  }
  td:has(.btn), td:has(.btn-group), td:has(.status-dot), td:has(.tag), td:has(select) {
    overflow: visible; white-space: nowrap;
  }
  tbody tr { transition: background 0.1s; }
  tbody tr:hover { background: var(--accent-glow); }
  tbody tr:last-child td { border-bottom: none; }
  .amount {
    text-align: right;
    font-family: var(--mono); font-size: 12.5px;
    font-variant-numeric: tabular-nums;
  }
  .pos { color: var(--ok); }
  .neg { color: var(--err); }
  /* Periods without activity: quiet dashes, no colored zeros. */
  .row-empty td, .row-empty .amount { color: var(--fg-muted); opacity: 0.6; }

  .status-dot {
    display: inline-block; width: 8px; height: 8px;
    border-radius: 50%; vertical-align: middle;
  }
  .status-dot.booked { background: var(--ok); box-shadow: 0 0 0 3px var(--ok-soft); }
  .status-dot.pending { background: var(--warn); box-shadow: 0 0 0 3px var(--warn-soft); }
  .status-dot.ignored { background: var(--fg-muted); }

  .empty-state {
    text-align: center; padding: 36px 16px; color: var(--fg-muted); font-size: 13px;
  }
  .empty-state-icon { font-size: 24px; margin-bottom: 8px; opacity: 0.4; display: block; }
  .empty-state-actions { margin-top: 12px; display: flex; gap: 8px; justify-content: center; }

  .btn {
    font: 500 12.5px var(--font); padding: 6px 13px;
    border-radius: var(--radius); cursor: pointer;
    border: 1px solid var(--line); background: var(--panel);
    color: var(--fg-dim); display: inline-flex; align-items: center; gap: 5px;
    transition: all 0.12s; white-space: nowrap;
    box-shadow: var(--shadow);
  }
  .btn:hover { border-color: var(--fg-muted); color: var(--fg); }
  .btn-primary {
    background: var(--accent); color: #fdfcf9; border-color: var(--accent);
    font-weight: 600;
  }
  .btn-primary:hover { background: var(--accent-strong); border-color: var(--accent-strong); color: #fdfcf9; }
  .btn-danger { color: var(--err); border-color: transparent; background: transparent; box-shadow: none; }
  .btn-danger:hover { background: var(--err-soft); border-color: var(--err); }
  .btn-ghost { border-color: transparent; background: transparent; box-shadow: none; }
  .btn-ghost:hover { background: var(--panel-2); }
  .btn-sm { padding: 3px 9px; font-size: 11.5px; }
  .btn-group { display: flex; gap: 4px; }

  .icon-btn {
    width: 27px; height: 27px; border-radius: var(--radius);
    border: 1px solid var(--line); background: var(--panel);
    color: var(--fg-dim); cursor: pointer;
    display: grid; place-items: center; font-size: 14px;
    transition: all 0.12s;
  }
  .icon-btn:hover { border-color: var(--accent); color: var(--accent); }

  .toolbar { display: flex; gap: 6px; align-items: center; margin-bottom: 12px; flex-wrap: wrap; }

  .pager {
    display: flex; align-items: center; justify-content: space-between;
    padding: 8px 14px; font-size: 12px; color: var(--fg-muted);
    border-top: 1px solid var(--line-soft); background: var(--panel);
    border-radius: 0 0 var(--radius-lg) var(--radius-lg);
  }
  .pager-btns { display: flex; gap: 4px; }
  .pager-btns button { font-size: 11px; }
  .pager .pager-info { font-family: var(--mono); font-size: 11px; }

  .input {
    font: 400 13px var(--font); padding: 6px 10px;
    border-radius: var(--radius); background: var(--panel);
    color: var(--fg); border: 1px solid var(--line);
    transition: border-color 0.12s, box-shadow 0.12s;
  }
  .input:focus { outline: none; border-color: var(--accent); box-shadow: 0 0 0 3px var(--accent-soft); }
  .input::placeholder { color: var(--fg-muted); }

  select.input {
    appearance: none; cursor: pointer; padding-right: 26px;
    background-image: var(--chevron);
    background-repeat: no-repeat; background-position: right 8px center;
  }

  .form-grid {
    display: grid; grid-template-columns: 120px 1fr;
    gap: 8px 12px; align-items: center;
    font-size: 13px;
  }
  .form-grid label { color: var(--fg-muted); font-size: 12px; text-align: right; }
  .form-row { display: flex; gap: 8px; align-items: center; }

  /* An "add a row" input strip, visually separated from the list above it. */
  .line-adder {
    background: var(--panel-2); border: 1px dashed var(--line);
    border-radius: var(--radius); padding: 8px;
  }

  /* Inline field validation */
  .field-wrap { display: flex; flex-direction: column; gap: 3px; min-width: 0; }
  .input.input-error, .input-error { border-color: var(--err); }
  .field-err { color: var(--err); font-size: 11.5px; line-height: 1.3; }
  .field-err:empty { display: none; }


  dialog {
    background: var(--panel); color: var(--fg);
    border: 1px solid var(--line); border-radius: 12px;
    padding: 0; min-width: 420px; max-width: 520px;
    box-shadow: var(--shadow-lg);
    margin: auto;
    inset: 0;
    max-height: 90vh;
    overflow-y: auto;
  }
  dialog::backdrop { background: rgba(40,34,20,0.35); }
  dialog.img-zoom::backdrop { background: rgba(24,21,13,0.88); }
  .dialog-header {
    padding: 16px 22px 0; display: flex; align-items: center; justify-content: space-between;
  }
  .dialog-header h2 { font: 650 16px var(--font); letter-spacing: -0.01em; }
  .dialog-body { padding: 14px 22px; }
  .dialog-footer {
    padding: 12px 22px 16px; display: flex; justify-content: flex-end; gap: 6px;
    border-top: 1px solid var(--line-soft); margin-top: 6px;
  }

  .form-field { margin-bottom: 11px; }
  .form-field label {
    display: block; font: 600 10.5px var(--font); color: var(--fg-muted);
    text-transform: uppercase; letter-spacing: 0.07em; margin-bottom: 4px;
  }
  .form-field .input, .form-field select.input { width: 100%; }
  .form-field-inline {
    display: flex; align-items: center; gap: 8px; margin-bottom: 10px;
  }
  .form-field-inline label {
    font: 600 10.5px var(--font); color: var(--fg-muted);
    text-transform: uppercase; letter-spacing: 0.07em; min-width: 80px;
  }
  .form-hint { font: 400 11.5px var(--font); color: var(--fg-muted); margin-top: 3px; }

  .tag {
    display: inline-block; padding: 1px 7px; border-radius: 4px;
    font: 500 10.5px var(--mono); background: var(--panel-2);
    color: var(--fg-muted); border: 1px solid var(--line-soft);
  }
  .tag-accent { background: var(--accent-soft); color: var(--accent); border-color: transparent; }
  /* A tag that navigates somewhere: underline affordance, accent on hover */
  .tag-link {
    cursor: pointer;
    text-decoration: underline dotted; text-underline-offset: 2px;
    transition: color 0.12s, border-color 0.12s;
  }
  .tag-link:hover { color: var(--accent); border-color: var(--accent); text-decoration-style: solid; }
  /* Removable one-off filter (set by attention-inbox links) */
  .filter-chip { display: inline-flex; align-items: center; gap: 5px; padding: 3px 8px; font-size: 11.5px; }
  .filter-chip button {
    border: none; background: none; cursor: pointer; padding: 0;
    color: inherit; font-size: 11px; opacity: 0.7;
  }
  .filter-chip button:hover { opacity: 1; }
  .tag-rule { background: var(--ok-soft); color: var(--ok); border-color: transparent; }
  .tag-warn { background: var(--warn-soft); color: var(--warn); border-color: transparent; }
  .tag-ok { background: var(--ok-soft); color: var(--ok); border-color: transparent; }

  .inline-select {
    font: 400 12px var(--font); padding: 4px 22px 4px 7px;
    border-radius: var(--radius); background: var(--panel); color: var(--fg);
    border: 1px solid var(--line); cursor: pointer; width: 100%;
    appearance: none;
    background-image: var(--chevron);
    background-repeat: no-repeat; background-position: right 6px center;
    transition: border-color 0.12s;
  }
  .inline-select:focus { outline: none; border-color: var(--accent); }
  .inline-select.has-suggestion { border-color: var(--ok); background-color: var(--ok-soft); }

  .inline-input {
    font: 400 12px var(--mono); padding: 4px 7px;
    border-radius: var(--radius); background: var(--panel); color: var(--fg);
    border: 1px solid var(--line); transition: border-color 0.12s;
  }
  .inline-input:focus { outline: none; border-color: var(--accent); }
  .inline-input::-webkit-inner-spin-button { display: none; }

  /* Account combobox: type number or name, most-used first */
  .combo { position: relative; width: 100%; }
  .combo-input {
    width: 100%; font: 400 12px var(--font); padding: 4px 7px;
    border-radius: var(--radius); background: var(--panel); color: var(--fg);
    border: 1px solid var(--line); transition: border-color 0.12s;
  }
  .combo-input:focus { outline: none; border-color: var(--accent); box-shadow: 0 0 0 3px var(--accent-soft); }
  .combo-input.has-suggestion { border-color: var(--ok); background-color: var(--ok-soft); }
  .combo-input::placeholder { color: var(--fg-muted); }
  .combo-list {
    position: absolute; top: calc(100% + 3px); left: 0; z-index: 70;
    min-width: 250px; max-height: 264px; overflow-y: auto; padding: 4px;
    background: var(--panel); border: 1px solid var(--line);
    border-radius: var(--radius-lg); box-shadow: var(--shadow-lg);
  }
  .combo-item {
    padding: 6px 9px; border-radius: var(--radius); cursor: pointer;
    font: 400 12.5px var(--font); color: var(--fg-dim);
    display: flex; gap: 8px; align-items: baseline; white-space: nowrap;
  }
  .combo-item.active, .combo-item:hover { background: var(--accent-soft); color: var(--fg); }
  .combo-nr { font: 500 11.5px var(--mono); color: var(--accent); }
  td:has(.combo) { overflow: visible; }
  .combo-input:disabled { background: var(--panel-2); color: var(--fg-muted); cursor: not-allowed; }
  /* In form grids (dialogs) the combo matches regular .input metrics */
  .form-grid .combo-input { font-size: 13px; padding: 6px 10px; }

  .book-row { transition: opacity 0.3s, background 0.15s; }
  .book-row.just-booked { opacity: 0.3; pointer-events: none; }

  th { position: relative; }
  .col-resize {
    position: absolute; right: -3px; top: 0; bottom: 0; width: 6px;
    cursor: col-resize; z-index: 1; background: transparent; transition: background 0.12s;
  }
  .col-resize:hover, .col-resize.active { background: var(--accent); }
  table.resizing { cursor: col-resize; user-select: none; }

  .tree-group { background: var(--panel-2); }
  .tree-group td { font: 600 11px var(--font); color: var(--accent); text-transform: uppercase; letter-spacing: 0.06em; padding: 7px 14px; }
  .tree-group td:first-child, .tree-leaf td:first-child { padding-left: var(--indent, 14px); }

  /* Confident feedback: an ink slab with a green edge. */
  .toast {
    position: fixed; bottom: 22px; right: 22px;
    padding: 11px 18px; border-radius: 8px;
    background: #26241d; border: none;
    border-left: 3px solid var(--ok);
    color: #f4f2ea; font: 500 13px var(--font);
    box-shadow: var(--shadow-lg);
    z-index: 999; opacity: 0; transform: translateY(8px);
    transition: all 0.22s cubic-bezier(0.2, 0.9, 0.3, 1.2);
  }
  .toast.show { opacity: 1; transform: translateY(0); }
  .toast-btn {
    margin-left: 12px; font: 600 12.5px var(--font); color: #7fd7ab;
    background: transparent; border: none; cursor: pointer; padding: 0;
    text-decoration: underline; text-underline-offset: 3px;
  }
  .toast-btn:hover { color: #a8e8c9; }

  .report-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 14px; }
  .report-card {
    background: var(--panel); border: 1px solid var(--line);
    border-radius: var(--radius-lg); overflow: hidden;
    box-shadow: var(--shadow);
  }
  .report-card-header {
    padding: 11px 18px; border-bottom: 1px solid var(--line);
    font: 600 11px var(--font); color: var(--fg-muted);
    text-transform: uppercase; letter-spacing: 0.07em;
    display: flex; align-items: center; justify-content: space-between;
    background: var(--panel-2);
  }
  .report-card-total { font: 600 14px var(--mono); font-variant-numeric: tabular-nums; }
  .report-full { grid-column: 1 / -1; }

  .subsection { margin-top: 24px; }
  .subsection-label {
    font: 600 11px var(--font); color: var(--fg-muted);
    text-transform: uppercase; letter-spacing: 0.07em;
    margin-bottom: 9px;
  }

  .collapse-toggle {
    cursor: pointer; user-select: none;
    display: flex; align-items: center; gap: 6px;
  }
  .collapse-toggle::before {
    content: ''; display: inline-block; width: 0; height: 0;
    border-left: 5px solid var(--fg-muted); border-top: 4px solid transparent; border-bottom: 4px solid transparent;
    transition: transform 0.15s;
  }
  .collapse-toggle.open::before { transform: rotate(90deg); }
  .collapse-body { overflow: hidden; transition: max-height 0.25s ease; }
  .collapse-body.collapsed { max-height: 0 !important; }

  th.sortable { cursor: pointer; user-select: none; }
  th.sortable:hover { color: var(--fg-dim); }
  th.sortable::after {
    content: ''; display: inline-block; margin-left: 4px; width: 0; height: 0;
    vertical-align: middle; opacity: 0.3;
    border-left: 3px solid transparent; border-right: 3px solid transparent;
    border-top: 4px solid currentColor;
  }
  th.sort-asc::after { opacity: 1; border-top: none; border-bottom: 4px solid currentColor; }
  th.sort-desc::after { opacity: 1; }


  @media (max-width: 1024px) {
    .subnav { overflow-x: auto; }
    .report-grid { grid-template-columns: 1fr; }
  }
  @media (max-width: 768px) {
    header { height: auto; flex-wrap: wrap; padding: 10px 12px; gap: 8px; }
    .area-toggle { width: 100%; justify-content: center; }
    .subnav { overflow-x: auto; -webkit-overflow-scrolling: touch; }
    main { padding: 10px; }

    dialog, dialog[style*="min-width"] {
      min-width: unset !important; max-width: unset !important;
      width: 100vw; margin: 0; border-radius: 12px 12px 0 0;
      position: fixed; bottom: 0; top: auto;
      max-height: 92vh;
    }
    dialog::backdrop { background: rgba(40,34,20,0.45); }
    .dialog-body { padding: 12px 16px; }
    .dialog-header { padding: 12px 16px 0; }
    .dialog-footer { padding: 10px 16px 14px; flex-wrap: wrap; gap: 8px; }
    .dialog-footer .btn { flex: 1; min-width: 0; justify-content: center; padding: 10px 8px; }

    .section-header { flex-direction: column; align-items: stretch; gap: 8px; }
    .section-header .btn-group { flex-wrap: wrap; gap: 6px; }
    .section-header .btn-group .input { width: 100% !important; }

    .toolbar { flex-wrap: wrap; gap: 6px; }
    .toolbar .input, .toolbar select.input { width: 100% !important; flex: 1 1 100%; }
    .toolbar .btn { flex: 1; }

    .form-grid { grid-template-columns: 1fr; gap: 4px 0; }
    .form-grid label { text-align: left; margin-top: 8px; }
    .form-row { flex-wrap: wrap; }
    .form-row .input { width: 100% !important; flex: 1 1 100%; }
    .form-field-inline { flex-wrap: wrap; }

    .btn { padding: 8px 12px; font-size: 13px; }
    .btn-sm { padding: 6px 10px; font-size: 12px; }
    .input, select.input { padding: 8px 10px; font-size: 14px; }

    .table-wrap { overflow-x: auto; -webkit-overflow-scrolling: touch; }
    table { font-size: 12px; }
    td, th { padding: 8px 10px; }

    .stat-grid { grid-template-columns: 1fr 1fr; }

    .hide-mobile { display: none !important; }

    #new-invoice-dialog .form-row,
    #invoice-detail-dialog .form-row {
      flex-direction: column; gap: 6px;
    }
    #new-invoice-dialog .form-row .input,
    #new-invoice-dialog .form-row select.input,
    #invoice-detail-dialog .form-row .input,
    #invoice-detail-dialog .form-row select.input {
      width: 100% !important; flex: none;
    }
  }