/* ===========================================================
   Lux Rentals — Ops Dashboard design system
   Dark-first, red/crimson accent, CSS custom properties theme.
   =========================================================== */

:root {
  --font-display: 'Inter Tight', 'Segoe UI', sans-serif;
  --font-body: 'Inter Tight', 'Segoe UI', sans-serif;

  --radius-sm: 8px;
  --radius-md: 14px;
  --radius-lg: 20px;
  --sidebar-w: 288px;
}

/* ---------- Dark theme (default) ---------- */
:root,
:root[data-theme="dark"] {
  --bg: #0a0a0d;
  --bg-alt: #0d0d11;
  --bg-elevated: #131317;
  --bg-card: #17171c;
  --bg-card-hover: #1c1c22;
  --bg-input: #1a1a20;
  --border: #232329;
  --border-soft: #1c1c22;
  --text: #f4f4f7;
  --text-muted: #adadb9;
  --text-faint: #7c7c8a;
  --accent: #e0273c;
  --accent-2: #ff4b5c;
  --accent-soft: rgba(224, 39, 60, 0.14);
  --accent-soft-strong: rgba(224, 39, 60, 0.24);
  --on-accent: #ffffff;
  --success: #35c47a;
  --success-soft: rgba(53, 196, 122, 0.14);
  --warning: #f2a93c;
  --warning-soft: rgba(242, 169, 60, 0.14);
  --danger: #ff5468;
  --danger-soft: rgba(255, 84, 104, 0.14);
  --shadow-card: 0 10px 30px rgba(0, 0, 0, 0.45);
  --shadow-pop: 0 20px 60px rgba(0, 0, 0, 0.55);
  --scrim: rgba(4, 4, 6, 0.72);
  --map-grid: rgba(255, 255, 255, 0.06);
}

/* ---------- Light theme ---------- */
:root[data-theme="light"] {
  --bg: #f2f2f5;
  --bg-alt: #ffffff;
  --bg-elevated: #ffffff;
  --bg-card: #ffffff;
  --bg-card-hover: #fafafc;
  --bg-input: #f1f1f4;
  --border: #e4e4ea;
  --border-soft: #ececf1;
  --text: #17171c;
  --text-muted: #4b4b55;
  --text-faint: #78788a;
  --accent: #d81b3a;
  --accent-2: #b8112c;
  --accent-soft: rgba(216, 27, 58, 0.08);
  --accent-soft-strong: rgba(216, 27, 58, 0.16);
  --on-accent: #ffffff;
  --success: #1c9a5b;
  --success-soft: rgba(28, 154, 91, 0.1);
  --warning: #b9790c;
  --warning-soft: rgba(185, 121, 12, 0.1);
  --danger: #d8203a;
  --danger-soft: rgba(216, 32, 58, 0.1);
  --shadow-card: 0 8px 24px rgba(20, 20, 30, 0.08);
  --shadow-pop: 0 20px 50px rgba(20, 20, 30, 0.16);
  --scrim: rgba(20, 20, 26, 0.4);
  --map-grid: rgba(20, 20, 30, 0.05);
}

* { box-sizing: border-box; }
html { color-scheme: dark; }
html[data-theme="light"] { color-scheme: light; }

body {
  margin: 0;
  font-family: var(--font-body);
  background: var(--bg);
  color: var(--text);
  -webkit-font-smoothing: antialiased;
  transition: background .2s ease, color .2s ease;
}

a { color: inherit; text-decoration: none; }
button { font-family: inherit; }
ul { list-style: none; margin: 0; padding: 0; }
img { display: block; }

.visually-hidden {
  position: absolute; width: 1px; height: 1px; overflow: hidden;
  clip: rect(0 0 0 0); white-space: nowrap;
}

/* ===========================================================
   App shell
   =========================================================== */
.app-shell {
  display: grid;
  grid-template-columns: var(--sidebar-w) 1fr;
  min-height: 100vh;
}

/* ---------- Sidebar ---------- */
.sidebar {
  background: var(--bg-alt);
  border-right: 1px solid var(--border);
  padding: 24px 20px 20px;
  display: flex;
  flex-direction: column;
  gap: 22px;
  position: sticky;
  top: 0;
  height: 100vh;
  overflow-y: auto;
  z-index: 40;
}

.brand {
  display: flex;
  align-items: center;
  gap: 10px;
  padding: 2px 4px 6px;
}
.brand-mark {
  width: 36px; height: 36px;
  border-radius: 10px;
  background: linear-gradient(155deg, var(--accent), var(--accent-2));
  display: flex; align-items: center; justify-content: center;
  color: #fff; flex-shrink: 0;
  box-shadow: 0 6px 16px var(--accent-soft-strong);
}
.brand-word {
  font-family: var(--font-display);
  font-weight: 900;
  font-size: 1.14rem;
  letter-spacing: .01em;
  line-height: 1.1;
}
.brand-word span { color: var(--accent); }
.brand-sub {
  font-size: .66rem;
  letter-spacing: .14em;
  text-transform: uppercase;
  color: var(--text-faint);
}

.top-links {
  display: flex;
  gap: 4px;
  flex-wrap: wrap;
  border-bottom: 1px solid var(--border-soft);
  padding-bottom: 16px;
}
.top-links button {
  background: none; border: none; cursor: pointer;
  font-size: .72rem; color: var(--text-muted);
  padding: 5px 9px; border-radius: 100px;
  transition: background .15s, color .15s;
}
.top-links button:hover { background: var(--bg-card); color: var(--text); }

.account-card {
  background: var(--bg-card);
  border: 1px solid var(--border-soft);
  border-radius: var(--radius-md);
  padding: 14px;
  display: flex;
  gap: 11px;
  align-items: flex-start;
}
.account-avatar {
  width: 40px; height: 40px; border-radius: 50%;
  background: var(--accent-soft);
  color: var(--accent);
  display: flex; align-items: center; justify-content: center;
  flex-shrink: 0;
}
.account-info { min-width: 0; }
.account-name { font-weight: 600; font-size: .87rem; }
.account-role { font-size: .68rem; color: var(--text-faint); margin-bottom: 6px; }
.account-line {
  font-size: .72rem; color: var(--text-muted);
  display: flex; align-items: center; gap: 6px;
  white-space: nowrap; overflow: hidden; text-overflow: ellipsis;
}
.account-line svg { flex-shrink: 0; opacity: .7; }

.side-nav { display: flex; flex-direction: column; gap: 2px; flex: 1; }
.side-nav-label {
  font-size: .64rem; letter-spacing: .12em; text-transform: uppercase;
  color: var(--text-faint); margin: 10px 8px 4px;
}
.side-link {
  display: flex; align-items: center; gap: 12px;
  padding: 10px 12px; border-radius: var(--radius-sm);
  font-size: .87rem; color: var(--text-muted);
  transition: background .15s, color .15s;
}
.side-link svg { flex-shrink: 0; }
.side-link:hover { background: var(--bg-card); color: var(--text); }
.side-link.active {
  background: var(--accent-soft);
  color: var(--accent);
  font-weight: 600;
}
.side-link.active svg { color: var(--accent); }

.sidebar-footer {
  border-top: 1px solid var(--border-soft);
  padding-top: 14px;
  display: flex; flex-direction: column; gap: 8px;
}
.logout-btn {
  display: flex; align-items: center; gap: 10px;
  background: none; border: none; cursor: pointer;
  padding: 9px 11px; border-radius: var(--radius-sm);
  font-size: .84rem; color: var(--text-muted);
}
.logout-btn:hover { background: var(--danger-soft); color: var(--danger); }

.sidebar-scrim {
  display: none;
}

/* ---------- Main column ---------- */
.main-col { min-width: 0; display: flex; flex-direction: column; }

.topbar {
  position: sticky; top: 0; z-index: 30;
  display: flex; align-items: center; justify-content: space-between;
  gap: 16px;
  padding: 16px 28px;
  background: var(--bg);
  border-bottom: 1px solid var(--border-soft);
}
.topbar-title h1 {
  margin: 0; font-family: var(--font-display); font-size: 1.28rem; font-weight: 900;
}
.topbar-title p { margin: 2px 0 0; font-size: .8rem; color: var(--text-muted); }

.topbar-actions { display: flex; align-items: center; gap: 8px; }
.topbar-select {
  background: var(--bg-card); border: 1px solid var(--border);
  border-radius: 100px; padding: 9px 14px; color: var(--text);
  font-size: .82rem; font-family: inherit; cursor: pointer; max-width: 220px;
}
.icon-btn {
  width: 38px; height: 38px; border-radius: 50%;
  border: 1px solid var(--border);
  background: var(--bg-card);
  color: var(--text-muted);
  display: flex; align-items: center; justify-content: center;
  cursor: pointer; position: relative;
  transition: color .15s, border-color .15s, background .15s;
}
.icon-btn:hover { color: var(--text); border-color: var(--text-faint); }
.icon-btn .dot {
  position: absolute; top: 7px; right: 8px;
  width: 7px; height: 7px; border-radius: 50%;
  background: var(--accent); border: 2px solid var(--bg-card);
}
.hamburger-btn { display: none; }

.popover {
  position: absolute; top: calc(100% + 10px); right: 0;
  width: 320px; max-width: 88vw;
  background: var(--bg-elevated); border: 1px solid var(--border);
  border-radius: var(--radius-md); box-shadow: var(--shadow-pop);
  padding: 8px; z-index: 60;
}
.popover[hidden] { display: none; }
.popover-head {
  padding: 8px 10px 10px; font-size: .8rem; font-weight: 700;
  border-bottom: 1px solid var(--border-soft); margin-bottom: 6px;
}
.notif-item { display: flex; gap: 10px; padding: 9px 10px; border-radius: var(--radius-sm); }
.notif-item:hover { background: var(--bg-card); }
.notif-dot { width: 8px; height: 8px; border-radius: 50%; background: var(--accent); margin-top: 6px; flex-shrink: 0; }
.notif-body p { margin: 0; font-size: .81rem; }
.notif-body span { font-size: .7rem; color: var(--text-faint); }
.topbar-anchor { position: relative; }

main { padding: 24px 28px 60px; flex: 1; }

/* ===========================================================
   Cards / stats
   =========================================================== */
.stat-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 16px;
  margin-bottom: 22px;
}
.stat-card {
  background: var(--bg-card);
  border: 1px solid var(--border-soft);
  border-radius: var(--radius-md);
  padding: 18px;
  box-shadow: var(--shadow-card);
}
.stat-label {
  font-size: .72rem; text-transform: uppercase; letter-spacing: .08em;
  color: var(--text-faint); display: flex; align-items: center; gap: 8px; margin-bottom: 10px;
}
.stat-label svg { color: var(--accent); }
.stat-value { font-family: var(--font-display); font-size: 1.5rem; font-weight: 700; }
.stat-sub { font-size: .74rem; color: var(--text-muted); margin-top: 4px; }

.map-card {
  padding: 0; overflow: hidden; position: relative; min-height: 132px;
  background:
    radial-gradient(circle at 30% 30%, var(--accent-soft), transparent 60%),
    repeating-linear-gradient(0deg, var(--map-grid) 0 1px, transparent 1px 22px),
    repeating-linear-gradient(90deg, var(--map-grid) 0 1px, transparent 1px 22px),
    var(--bg-card);
}
.map-pin {
  position: absolute; top: 50%; left: 50%; transform: translate(-50%, -60%);
  color: var(--accent);
  filter: drop-shadow(0 6px 10px rgba(0,0,0,.4));
}
.map-label {
  position: absolute; left: 12px; bottom: 10px;
  font-size: .72rem; color: var(--text-muted);
  background: color-mix(in srgb, var(--bg-card) 75%, transparent);
  padding: 3px 8px; border-radius: 100px; border: 1px solid var(--border-soft);
}

.card {
  background: var(--bg-card);
  border: 1px solid var(--border-soft);
  border-radius: var(--radius-md);
  box-shadow: var(--shadow-card);
}
.card-head {
  display: flex; align-items: center; justify-content: space-between;
  padding: 18px 20px 14px; border-bottom: 1px solid var(--border-soft);
}
.card-head h2 { margin: 0; font-family: var(--font-display); font-size: 1rem; font-weight: 900; }
.card-body { padding: 16px 20px 20px; }

.badge {
  display: inline-flex; align-items: center; gap: 5px;
  font-size: .7rem; font-weight: 700; letter-spacing: .01em;
  padding: 4px 10px; border-radius: 100px;
  text-transform: capitalize;
}
.badge::before { content: ''; width: 6px; height: 6px; border-radius: 50%; background: currentColor; }
.badge-good, .badge-cleared, .badge-available, .badge-completed, .badge-resolved, .badge-vip {
  color: var(--success); background: var(--success-soft);
}
.badge-fair, .badge-pending, .badge-inprogress, .badge-medium, .badge-active {
  color: var(--warning); background: var(--warning-soft);
}
.badge-needsattention, .badge-rented, .badge-open, .badge-high, .badge-maintenance {
  color: var(--danger); background: var(--danger-soft);
}
.badge-low { color: var(--text-muted); background: var(--bg-input); }

/* ===========================================================
   Buttons / forms
   =========================================================== */
.btn {
  display: inline-flex; align-items: center; justify-content: center; gap: 8px;
  border-radius: 100px; border: 1px solid transparent;
  font-size: .85rem; font-weight: 600; padding: 11px 20px;
  cursor: pointer; transition: transform .12s ease, filter .15s ease, background .15s;
  white-space: nowrap;
}
.btn:active { transform: scale(.97); }
.btn-primary { background: var(--accent); color: var(--on-accent); }
.btn-primary:hover { filter: brightness(1.08); }
.btn-ghost { background: var(--bg-card); color: var(--text); border-color: var(--border); }
.btn-ghost:hover { border-color: var(--text-faint); }
.btn-sm { padding: 7px 14px; font-size: .78rem; }
.btn-block { width: 100%; }
.btn[disabled] { opacity: .5; cursor: not-allowed; }

.field { display: flex; flex-direction: column; gap: 6px; margin-bottom: 14px; }
.field label { font-size: .78rem; color: var(--text-muted); font-weight: 600; }
.field input, .field select, .field textarea {
  background: var(--bg-input); border: 1px solid var(--border);
  border-radius: var(--radius-sm); padding: 10px 12px;
  color: var(--text); font-size: .87rem; font-family: inherit;
}
.field input:focus, .field select:focus, .field textarea:focus {
  outline: none; border-color: var(--accent);
  box-shadow: 0 0 0 3px var(--accent-soft);
}
.field-row { display: grid; grid-template-columns: 1fr 1fr; gap: 12px; }
.checkbox-row { display: flex; align-items: center; justify-content: space-between; padding: 12px 0; border-bottom: 1px solid var(--border-soft); }
.checkbox-row:last-child { border-bottom: none; }
.checkbox-row p { margin: 0; font-size: .86rem; font-weight: 600; }
.checkbox-row span { font-size: .76rem; color: var(--text-muted); }

.switch { position: relative; width: 42px; height: 24px; flex-shrink: 0; }
.switch input { opacity: 0; width: 100%; height: 100%; position: absolute; margin: 0; cursor: pointer; z-index: 1; }
.switch .track {
  position: absolute; inset: 0; background: var(--bg-input); border: 1px solid var(--border);
  border-radius: 100px; transition: background .15s, border-color .15s;
}
.switch .thumb {
  position: absolute; top: 2px; left: 2px; width: 18px; height: 18px; border-radius: 50%;
  background: var(--text-faint); transition: transform .15s, background .15s;
}
.switch input:checked ~ .track { background: var(--accent-soft-strong); border-color: var(--accent); }
.switch input:checked ~ .thumb { transform: translateX(18px); background: var(--accent); }

/* ===========================================================
   Search / filter bar
   =========================================================== */
.toolbar {
  display: flex; align-items: center; gap: 10px; flex-wrap: wrap;
  margin-bottom: 18px;
}
.search-box {
  flex: 1; min-width: 200px;
  display: flex; align-items: center; gap: 9px;
  background: var(--bg-card); border: 1px solid var(--border);
  border-radius: 100px; padding: 10px 16px; color: var(--text-faint);
}
.search-box input {
  border: none; background: none; outline: none; color: var(--text);
  font-size: .86rem; width: 100%; font-family: inherit;
}
.select-chip {
  background: var(--bg-card); border: 1px solid var(--border); color: var(--text-muted);
  border-radius: 100px; padding: 9px 14px; font-size: .82rem; cursor: pointer;
}
.chip-group { display: flex; gap: 6px; flex-wrap: wrap; }
.chip {
  border: 1px solid var(--border); background: var(--bg-card); color: var(--text-muted);
  border-radius: 100px; padding: 7px 14px; font-size: .78rem; cursor: pointer;
  transition: all .15s;
}
.chip.active { background: var(--accent); border-color: var(--accent); color: #fff; }

/* ===========================================================
   Grids of vehicle / customer cards
   =========================================================== */
.fleet-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(270px, 1fr));
  gap: 18px;
}
.vehicle-card {
  background: var(--bg-card); border: 1px solid var(--border-soft);
  border-radius: var(--radius-lg); overflow: hidden;
  box-shadow: var(--shadow-card);
  display: flex; flex-direction: column;
  transition: transform .15s ease, border-color .15s ease;
}
.vehicle-card:hover { transform: translateY(-3px); border-color: var(--accent); }
.vehicle-photo { position: relative; aspect-ratio: 16/10.5; background: var(--bg-input); overflow: hidden; }
.vehicle-photo img { width: 100%; height: 100%; object-fit: cover; }
.vehicle-photo .badge { position: absolute; top: 10px; right: 10px; background: var(--bg-elevated); }
.vehicle-photo .badge-available { background: var(--success-soft); }
.vehicle-photo .badge-rented { background: var(--danger-soft); }
.vehicle-photo .badge-maintenance { background: var(--danger-soft); }
.vehicle-body { padding: 14px 16px 16px; display: flex; flex-direction: column; gap: 8px; flex: 1; }
.vehicle-name { font-family: var(--font-display); font-weight: 700; font-size: 1rem; }
.vehicle-meta { font-size: .78rem; color: var(--text-muted); }
.vehicle-foot { display: flex; align-items: center; justify-content: space-between; margin-top: auto; padding-top: 8px; }
.vehicle-rate { font-weight: 700; font-family: var(--font-display); }
.vehicle-rate span { font-size: .72rem; color: var(--text-faint); font-weight: 400; }

/* ===========================================================
   Rental Overview: parts accordion + vehicle photo panel
   =========================================================== */
.split-two {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 18px;
  align-items: stretch;
  margin-bottom: 18px;
}
.split-two > .card { display: flex; flex-direction: column; }
.split-two > .card .card-body { flex: 1; display: flex; flex-direction: column; }
.split-two .vehicle-showcase { flex: 1; display: flex; flex-direction: column; }
.split-two .showcase-frame { flex: 1; aspect-ratio: unset; min-height: 220px; }

.parts-list { display: flex; flex-direction: column; gap: 8px; }
.part-row {
  border: 1px solid var(--border-soft); border-radius: var(--radius-sm);
  background: var(--bg-elevated); overflow: hidden;
}
.part-summary {
  display: flex; align-items: center; justify-content: space-between; gap: 10px;
  padding: 12px 14px; cursor: pointer; user-select: none;
}
.part-summary-left { display: flex; align-items: center; gap: 10px; }
.part-toggle {
  width: 22px; height: 22px; border-radius: 50%; flex-shrink: 0;
  background: var(--bg-input); color: var(--text-muted);
  display: flex; align-items: center; justify-content: center;
  transition: transform .2s ease, background .2s, color .2s;
  font-size: .85rem; line-height: 1;
}
.part-row.open .part-toggle { transform: rotate(45deg); background: var(--accent); color: #fff; }
.part-name { font-size: .87rem; font-weight: 600; }
.part-panel {
  max-height: 0; overflow: hidden; transition: max-height .25s ease;
}
.part-row.open .part-panel { max-height: 120px; }
.part-panel-inner { padding: 0 14px 14px 46px; font-size: .8rem; color: var(--text-muted); }

.vehicle-showcase { display: flex; flex-direction: column; gap: 12px; }
.showcase-frame {
  position: relative; border-radius: var(--radius-lg); overflow: hidden;
  aspect-ratio: 4/3; background: var(--bg-input);
  border: 1px solid var(--border-soft);
}
.showcase-frame img {
  width: 100%; height: 100%; object-fit: cover;
  transition: opacity .35s ease, transform .6s ease;
}
.showcase-caption {
  position: absolute; left: 14px; bottom: 14px;
  background: color-mix(in srgb, var(--bg-elevated) 78%, transparent);
  border: 1px solid var(--border-soft); backdrop-filter: blur(6px);
  border-radius: var(--radius-sm); padding: 8px 12px;
}
.showcase-caption .name { font-family: var(--font-display); font-weight: 700; font-size: .95rem; }
.showcase-caption .yr { font-size: .74rem; color: var(--text-muted); }

/* ===========================================================
   Prior rental history list
   =========================================================== */
.history-list { display: flex; flex-direction: column; }
.history-row {
  display: flex; align-items: center; gap: 12px;
  padding: 12px 0; border-bottom: 1px solid var(--border-soft);
}
.history-row:last-child { border-bottom: none; }
.avatar-img { width: 38px; height: 38px; border-radius: 50%; object-fit: cover; flex-shrink: 0; background: var(--bg-input); }
.avatar-fallback {
  width: 38px; height: 38px; border-radius: 50%; flex-shrink: 0;
  background: var(--accent-soft); color: var(--accent);
  display: flex; align-items: center; justify-content: center;
  font-size: .78rem; font-weight: 700;
}
.history-name { font-size: .86rem; font-weight: 600; }
.history-date { font-size: .74rem; color: var(--text-faint); }
.history-mid { flex: 1; min-width: 0; }
.history-amount { font-family: var(--font-display); font-weight: 700; font-size: .88rem; white-space: nowrap; }

/* ===========================================================
   VISA-style financial card
   =========================================================== */
.visa-card {
  border-radius: var(--radius-lg);
  padding: 20px;
  background:
    radial-gradient(circle at 85% -10%, rgba(255,255,255,.18), transparent 55%),
    linear-gradient(135deg, var(--accent) 0%, #8a0f24 100%);
  color: #fff;
  position: relative; overflow: hidden;
  box-shadow: 0 16px 32px var(--accent-soft-strong);
}
.visa-card::after {
  content: ''; position: absolute; width: 220px; height: 220px; border-radius: 50%;
  background: rgba(255,255,255,.06); right: -70px; bottom: -90px;
}
.visa-top { display: flex; justify-content: space-between; align-items: flex-start; margin-bottom: 26px; }
.visa-label { font-size: .72rem; text-transform: uppercase; letter-spacing: .1em; opacity: .85; }
.visa-amount { font-family: var(--font-display); font-size: 1.9rem; font-weight: 700; margin-top: 4px; }
.visa-brand { font-family: var(--font-display); font-style: italic; font-weight: 800; font-size: 1.1rem; }
.visa-number { letter-spacing: .18em; font-size: .95rem; margin-bottom: 14px; opacity: .92; }
.visa-bottom { display: flex; justify-content: space-between; font-size: .72rem; opacity: .85; }

.fin-metric-row { display: flex; justify-content: space-between; align-items: center; padding: 12px 0; border-bottom: 1px solid var(--border-soft); }
.fin-metric-row:last-of-type { border-bottom: none; }
.fin-metric-row .label { font-size: .82rem; color: var(--text-muted); }
.fin-metric-row .value { font-family: var(--font-display); font-weight: 700; }

/* ===========================================================
   Tables
   =========================================================== */
.data-table { width: 100%; border-collapse: collapse; font-size: .85rem; }
.data-table th {
  text-align: left; font-size: .7rem; text-transform: uppercase; letter-spacing: .06em;
  color: var(--text-faint); padding: 10px 14px; border-bottom: 1px solid var(--border-soft);
}
.data-table td { padding: 12px 14px; border-bottom: 1px solid var(--border-soft); vertical-align: middle; }
.data-table tr:last-child td { border-bottom: none; }
.data-table tr:hover td { background: var(--bg-elevated); }
.table-scroll { overflow-x: auto; }
.cell-vehicle { display: flex; align-items: center; gap: 10px; }
.cell-vehicle img { width: 44px; height: 32px; object-fit: cover; border-radius: 6px; background: var(--bg-input); }
.cell-vehicle .name { font-weight: 600; }
.cell-vehicle .cat { font-size: .72rem; color: var(--text-faint); }
.table-empty { padding: 40px 20px; text-align: center; color: var(--text-faint); }

/* ===========================================================
   Modal
   =========================================================== */
.modal-overlay {
  position: fixed; inset: 0; background: var(--scrim);
  display: flex; align-items: center; justify-content: center;
  padding: 20px; z-index: 100;
}
.modal-overlay[hidden] { display: none; }
.modal-box {
  background: var(--bg-elevated); border: 1px solid var(--border);
  border-radius: var(--radius-lg); box-shadow: var(--shadow-pop);
  width: 100%; max-width: 460px; max-height: 88vh; overflow-y: auto;
}
.modal-head { display: flex; align-items: center; justify-content: space-between; padding: 18px 22px; border-bottom: 1px solid var(--border-soft); }
.modal-head h2 { margin: 0; font-family: var(--font-display); font-size: 1.05rem; font-weight: 900; }
.modal-close { background: none; border: none; color: var(--text-muted); cursor: pointer; font-size: 1.1rem; padding: 4px; }
.modal-body { padding: 20px 22px 22px; }
.modal-body p.hint { font-size: .8rem; color: var(--text-muted); margin-top: -6px; margin-bottom: 16px; }

/* ===========================================================
   Toast
   =========================================================== */
.toast-stack {
  position: fixed; bottom: 22px; right: 22px; z-index: 200;
  display: flex; flex-direction: column; gap: 10px; align-items: flex-end;
}
.toast {
  background: var(--bg-elevated); border: 1px solid var(--border);
  color: var(--text); padding: 12px 16px; border-radius: var(--radius-sm);
  box-shadow: var(--shadow-pop); font-size: .84rem;
  display: flex; align-items: center; gap: 10px;
  animation: toastIn .2s ease;
  border-left: 3px solid var(--accent);
}
@keyframes toastIn { from { opacity: 0; transform: translateY(8px); } to { opacity: 1; transform: translateY(0); } }

/* ===========================================================
   Page helpers
   =========================================================== */
.page-head { margin-bottom: 18px; }
.page-head h2 { margin: 0 0 4px; font-family: var(--font-display); font-size: 1.15rem; font-weight: 900; }
.page-head p { margin: 0; color: var(--text-muted); font-size: .86rem; }
.section-gap { margin-bottom: 22px; }
.two-col { display: grid; grid-template-columns: 1.4fr 1fr; gap: 18px; align-items: stretch; }
.empty-state { text-align: center; padding: 50px 20px; color: var(--text-faint); }
.empty-state svg { margin-bottom: 10px; opacity: .6; }

.accordion-row { border: 1px solid var(--border-soft); border-radius: var(--radius-md); background: var(--bg-elevated); margin-bottom: 10px; overflow: hidden; }
.accordion-head { display: flex; align-items: center; justify-content: space-between; gap: 12px; padding: 14px 16px; cursor: pointer; }
.accordion-panel { max-height: 0; overflow: hidden; transition: max-height .3s ease; }
.accordion-row.open .accordion-panel { max-height: 600px; }
.accordion-panel-inner { padding: 0 16px 16px; }

.progress-track { height: 6px; border-radius: 100px; background: var(--bg-input); overflow: hidden; margin-top: 8px; }
.progress-fill { height: 100%; background: linear-gradient(90deg, var(--accent), var(--accent-2)); border-radius: 100px; }

/* ===========================================================
   Responsive
   =========================================================== */
@media (max-width: 1080px) {
  .stat-grid { grid-template-columns: repeat(2, 1fr); }
  .split-two, .two-col { grid-template-columns: 1fr; }
}

@media (max-width: 900px) {
  .app-shell { grid-template-columns: 1fr; }
  .sidebar {
    position: fixed; left: 0; top: 0; width: min(var(--sidebar-w), 84vw);
    transform: translateX(-100%); transition: transform .25s ease; box-shadow: var(--shadow-pop);
  }
  .sidebar.open { transform: translateX(0); }
  .sidebar-scrim {
    display: none; position: fixed; inset: 0; background: var(--scrim); z-index: 39;
  }
  .sidebar-scrim.show { display: block; }
  .hamburger-btn { display: flex; }
  main { padding: 18px 16px 50px; }
  .topbar { padding: 14px 16px; }
}

@media (max-width: 640px) {
  .stat-grid { grid-template-columns: 1fr 1fr; }
  .field-row { grid-template-columns: 1fr; }
  .topbar-title h1 { font-size: 1.05rem; }
}