/* ============================================================
   Design tokens
   Palette: deep ledger-navy + warm amber (keys/occupancy accent)
   Display: Fraunces (characterful serif, used sparingly for numbers/titles)
   Body: Inter
   Data/mono: IBM Plex Mono (rent figures, bed codes, ids)
   Signature: bed-grid glyph used throughout for occupancy visualization
   ============================================================ */

:root {
  --navy-950: #12172a;
  --navy-900: #1c2333;
  --navy-700: #2c3550;
  --navy-500: #4b5675;
  --navy-300: #8891ab;
  --paper: #f6f4ef;
  --paper-dim: #ece8df;
  --amber: #e8a33d;
  --amber-dark: #c07f1f;
  --clay: #c1573f;
  --sage: #5c8368;
  --line: #dcd7cb;
  --white: #ffffff;

  --font-display: "Fraunces", serif;
  --font-body: "Inter", -apple-system, sans-serif;
  --font-mono: "IBM Plex Mono", monospace;

  --radius: 10px;
  --shadow-card: 0 1px 2px rgba(18,23,42,0.06), 0 8px 24px rgba(18,23,42,0.06);
}

* { box-sizing: border-box; }

html, body {
  margin: 0;
  padding: 0;
  background: var(--paper);
  color: var(--navy-900);
  font-family: var(--font-body);
  -webkit-font-smoothing: antialiased;
}

#app { min-height: 100vh; }

a { color: inherit; }

button {
  font-family: var(--font-body);
  cursor: pointer;
}

input, select, textarea {
  font-family: var(--font-body);
}

/* ---------- boot loader ---------- */
.boot-loader {
  height: 100vh;
  display: flex;
  align-items: center;
  justify-content: center;
}
.boot-mark {
  font-family: var(--font-display);
  font-weight: 600;
  font-size: 28px;
  color: var(--navy-900);
  width: 56px;
  height: 56px;
  border: 2px solid var(--navy-900);
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  animation: pulse 1.4s ease-in-out infinite;
}
@keyframes pulse {
  0%, 100% { opacity: 1; transform: scale(1); }
  50% { opacity: 0.55; transform: scale(0.96); }
}

/* ---------- toast ---------- */
.toast {
  position: fixed;
  top: 18px;
  left: 50%;
  transform: translateX(-50%) translateY(-140%);
  background: var(--navy-900);
  color: var(--paper);
  padding: 11px 20px;
  border-radius: 999px;
  font-size: 13.5px;
  font-weight: 500;
  z-index: 999;
  transition: transform 0.28s cubic-bezier(.32,1.6,.5,1);
  box-shadow: 0 8px 24px rgba(0,0,0,0.22);
  max-width: 90vw;
  text-align: center;
}
.toast.show { transform: translateX(-50%) translateY(0); }
.toast.error { background: var(--clay); }
.toast.success { background: var(--sage); }

/* ============================================================
   Auth screen
   ============================================================ */
.auth-screen {
  min-height: 100vh;
  display: grid;
  place-items: center;
  padding: 24px;
  background:
    radial-gradient(circle at 15% 20%, rgba(232,163,61,0.10), transparent 45%),
    radial-gradient(circle at 85% 80%, rgba(92,131,104,0.08), transparent 40%),
    var(--paper);
}
.auth-card {
  width: 100%;
  max-width: 380px;
  background: var(--white);
  border-radius: 16px;
  padding: 40px 32px 32px;
  box-shadow: var(--shadow-card);
  border: 1px solid var(--line);
}
.auth-mark {
  font-family: var(--font-display);
  font-weight: 600;
  font-size: 15px;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--amber-dark);
  margin-bottom: 6px;
}
.auth-title {
  font-family: var(--font-display);
  font-size: 30px;
  font-weight: 600;
  margin: 0 0 6px;
  color: var(--navy-950);
}
.auth-sub {
  font-size: 14px;
  color: var(--navy-500);
  margin: 0 0 28px;
}
.field {
  margin-bottom: 16px;
}
.field label {
  display: block;
  font-size: 12.5px;
  font-weight: 600;
  color: var(--navy-700);
  margin-bottom: 6px;
  text-transform: uppercase;
  letter-spacing: 0.04em;
}
.field input, .field select, .field textarea {
  width: 100%;
  padding: 11px 13px;
  border: 1.5px solid var(--line);
  border-radius: 8px;
  font-size: 14.5px;
  background: var(--paper);
  color: var(--navy-900);
  transition: border-color 0.15s;
}
.field input:focus, .field select:focus, .field textarea:focus {
  outline: none;
  border-color: var(--amber);
  background: var(--white);
}
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  padding: 12px 20px;
  border-radius: 8px;
  border: none;
  font-size: 14px;
  font-weight: 600;
  transition: transform 0.1s, opacity 0.15s;
}
.btn:active { transform: scale(0.98); }
.btn-primary {
  background: var(--navy-900);
  color: var(--paper);
  width: 100%;
}
.btn-primary:hover { background: var(--navy-950); }
.btn-amber {
  background: var(--amber);
  color: var(--navy-950);
}
.btn-amber:hover { background: var(--amber-dark); }
.btn-ghost {
  background: transparent;
  color: var(--navy-700);
  border: 1.5px solid var(--line);
}
.btn-ghost:hover { border-color: var(--navy-500); }
.btn-sm { padding: 7px 13px; font-size: 12.5px; }
.btn-danger { background: var(--clay); color: var(--white); }
.btn:disabled { opacity: 0.5; cursor: not-allowed; }

.auth-error {
  background: rgba(193,87,63,0.1);
  color: var(--clay);
  padding: 10px 13px;
  border-radius: 8px;
  font-size: 13px;
  margin-bottom: 16px;
  display: none;
}
.auth-error.show { display: block; }

/* ============================================================
   App shell (post-login)
   ============================================================ */
.shell {
  display: flex;
  min-height: 100vh;
}
.sidebar {
  width: 232px;
  background: var(--navy-950);
  color: var(--paper);
  flex-shrink: 0;
  display: flex;
  flex-direction: column;
  padding: 24px 16px;
}
.sidebar-mark {
  font-family: var(--font-display);
  font-weight: 600;
  font-size: 20px;
  color: var(--white);
  padding: 0 8px 6px;
  display: flex;
  align-items: center;
  gap: 9px;
}
.sidebar-mark .dot { width: 8px; height: 8px; border-radius: 50%; background: var(--amber); }
.sidebar-role {
  padding: 0 8px 24px;
  font-size: 11.5px;
  color: var(--navy-300);
  text-transform: uppercase;
  letter-spacing: 0.08em;
  border-bottom: 1px solid var(--navy-700);
  margin-bottom: 18px;
}
.nav-item {
  display: flex;
  align-items: center;
  gap: 10px;
  padding: 10px 12px;
  border-radius: 8px;
  font-size: 14px;
  font-weight: 500;
  color: var(--navy-300);
  cursor: pointer;
  margin-bottom: 2px;
  transition: background 0.12s, color 0.12s;
}
.nav-item:hover { background: var(--navy-700); color: var(--paper); }
.nav-item.active { background: var(--amber); color: var(--navy-950); font-weight: 600; }
.sidebar-footer {
  margin-top: auto;
  padding-top: 16px;
  border-top: 1px solid var(--navy-700);
}
.sidebar-user {
  font-size: 13px;
  color: var(--paper);
  margin-bottom: 10px;
  padding: 0 8px;
}
.sidebar-user .u-name { font-weight: 600; }
.sidebar-user .u-sub { color: var(--navy-300); font-size: 12px; }

.main {
  flex: 1;
  min-width: 0;
  padding: 32px 40px 60px;
  overflow-y: auto;
}
.page-header {
  display: flex;
  align-items: flex-end;
  justify-content: space-between;
  margin-bottom: 28px;
  flex-wrap: wrap;
  gap: 12px;
}
.page-title {
  font-family: var(--font-display);
  font-size: 28px;
  font-weight: 600;
  margin: 0 0 4px;
  color: var(--navy-950);
}
.page-sub { color: var(--navy-500); font-size: 14px; margin: 0; }

/* ---------- stat cards ---------- */
.stat-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(180px, 1fr));
  gap: 14px;
  margin-bottom: 32px;
}
.stat-card {
  background: var(--white);
  border: 1px solid var(--line);
  border-radius: var(--radius);
  padding: 18px 20px;
}
.stat-label {
  font-size: 12px;
  text-transform: uppercase;
  letter-spacing: 0.05em;
  color: var(--navy-500);
  font-weight: 600;
  margin-bottom: 8px;
}
.stat-value {
  font-family: var(--font-mono);
  font-size: 26px;
  font-weight: 500;
  color: var(--navy-950);
}
.stat-value.amber { color: var(--amber-dark); }
.stat-value.clay { color: var(--clay); }
.stat-value.sage { color: var(--sage); }

/* ---------- bed grid glyph (signature element) ---------- */
.bed-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, 12px);
  gap: 3px;
  margin-top: 10px;
}
.bed-cell {
  width: 12px;
  height: 12px;
  border-radius: 3px;
  background: var(--paper-dim);
}
.bed-cell.occupied { background: var(--navy-900); }
.bed-cell.vacant { background: var(--sage); opacity: 0.35; }
.bed-cell.maintenance { background: var(--clay); opacity: 0.55; }

/* ---------- cards / tables ---------- */
.card {
  background: var(--white);
  border: 1px solid var(--line);
  border-radius: var(--radius);
  margin-bottom: 20px;
  overflow: hidden;
}
.card-header {
  padding: 16px 20px;
  border-bottom: 1px solid var(--line);
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 12px;
  flex-wrap: wrap;
}
.card-title {
  font-weight: 600;
  font-size: 15px;
  color: var(--navy-950);
}
.card-body { padding: 20px; }

table { width: 100%; border-collapse: collapse; }
th {
  text-align: left;
  font-size: 11.5px;
  text-transform: uppercase;
  letter-spacing: 0.04em;
  color: var(--navy-500);
  font-weight: 600;
  padding: 10px 20px;
  border-bottom: 1px solid var(--line);
  background: var(--paper);
}
td {
  padding: 12px 20px;
  border-bottom: 1px solid var(--paper-dim);
  font-size: 13.5px;
  color: var(--navy-900);
}
tr:last-child td { border-bottom: none; }
tr:hover td { background: var(--paper); }
.mono { font-family: var(--font-mono); }

.badge {
  display: inline-block;
  padding: 3px 9px;
  border-radius: 999px;
  font-size: 11px;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.03em;
}
.badge-active, .badge-paid, .badge-verified, .badge-resolved, .badge-good { background: rgba(92,131,104,0.15); color: var(--sage); }
.badge-pending, .badge-open, .badge-waiting, .badge-fair { background: rgba(232,163,61,0.18); color: var(--amber-dark); }
.badge-overdue, .badge-rejected, .badge-damaged { background: rgba(193,87,63,0.13); color: var(--clay); }
.badge-moved_out, .badge-closed, .badge-cancelled { background: var(--paper-dim); color: var(--navy-500); }

.empty-state {
  padding: 48px 20px;
  text-align: center;
  color: var(--navy-500);
}
.empty-state .glyph {
  font-family: var(--font-display);
  font-size: 32px;
  color: var(--line);
  margin-bottom: 10px;
}

/* ---------- forms ---------- */
.form-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 14px;
}
.form-grid .full { grid-column: 1 / -1; }
.modal-backdrop {
  position: fixed;
  inset: 0;
  background: rgba(18,23,42,0.45);
  display: flex;
  align-items: center;
  justify-content: center;
  z-index: 100;
  padding: 20px;
}
.modal {
  background: var(--white);
  border-radius: 14px;
  width: 100%;
  max-width: 520px;
  max-height: 88vh;
  overflow-y: auto;
  padding: 28px;
  box-shadow: 0 20px 60px rgba(0,0,0,0.3);
}
.modal-title {
  font-family: var(--font-display);
  font-size: 21px;
  font-weight: 600;
  margin: 0 0 20px;
  color: var(--navy-950);
}
.modal-actions {
  display: flex;
  justify-content: flex-end;
  gap: 10px;
  margin-top: 22px;
}

.hostel-list { display: grid; grid-template-columns: repeat(auto-fill, minmax(230px, 1fr)); gap: 14px; }
.hostel-tile {
  background: var(--white);
  border: 1px solid var(--line);
  border-radius: var(--radius);
  padding: 18px;
  cursor: pointer;
  transition: border-color 0.15s, transform 0.1s;
}
.hostel-tile:hover { border-color: var(--amber); transform: translateY(-1px); }
.hostel-tile-name { font-weight: 600; font-size: 15px; margin-bottom: 4px; }
.hostel-tile-sub { font-size: 12.5px; color: var(--navy-500); margin-bottom: 12px; }
.hostel-tile-occ { display: flex; align-items: center; gap: 8px; font-size: 12px; color: var(--navy-500); }

.tabs { display: flex; gap: 4px; border-bottom: 1px solid var(--line); margin-bottom: 20px; }
.tab {
  padding: 10px 16px;
  font-size: 13.5px;
  font-weight: 600;
  color: var(--navy-500);
  cursor: pointer;
  border-bottom: 2px solid transparent;
  margin-bottom: -1px;
}
.tab.active { color: var(--navy-950); border-bottom-color: var(--amber); }

.pill-nav { display: flex; gap: 8px; margin-bottom: 20px; flex-wrap: wrap; }
.pill {
  padding: 6px 14px;
  border-radius: 999px;
  font-size: 12.5px;
  font-weight: 600;
  background: var(--paper-dim);
  color: var(--navy-500);
  cursor: pointer;
  border: 1px solid transparent;
}
.pill.active { background: var(--navy-950); color: var(--paper); }

.dues-card {
  border: 1px solid var(--line);
  border-radius: var(--radius);
  padding: 20px;
  background: var(--white);
  margin-bottom: 14px;
}
.dues-amount { font-family: var(--font-mono); font-size: 24px; font-weight: 500; }
.dues-meta { font-size: 12.5px; color: var(--navy-500); margin-top: 4px; }

@media (max-width: 860px) {
  .shell { flex-direction: column; }
  .sidebar { width: 100%; flex-direction: row; align-items: center; padding: 12px 16px; overflow-x: auto; }
  .sidebar-mark, .sidebar-role, .sidebar-footer { display: none; }
  .nav-item { white-space: nowrap; margin-bottom: 0; }
  .main { padding: 20px; }
  .form-grid { grid-template-columns: 1fr; }
}