/* ============================================================================
   Shared component layer: reset, typography, controls, cards, tables, overlays.
   ========================================================================== */

*,
*::before,
*::after { box-sizing: border-box; }

html { -webkit-text-size-adjust: 100%; }

body {
  margin: 0;
  min-height: 100vh;
  font-family: var(--font-sans);
  font-size: var(--text-base);
  line-height: 1.55;
  color: var(--ink);
  background: var(--canvas);
  -webkit-font-smoothing: antialiased;
}

h1, h2, h3, h4 { margin: 0; font-weight: 650; line-height: 1.25; letter-spacing: -0.01em; }
h1 { font-size: var(--text-2xl); }
h2 { font-size: var(--text-lg); }
h3 { font-size: var(--text-md); }
p { margin: 0; }
a { color: var(--brand); text-decoration: none; }
a:hover { text-decoration: underline; }
img, svg { max-width: 100%; }

::selection { background: var(--brand-soft); color: var(--ink); }

:focus-visible {
  outline: 2px solid var(--brand);
  outline-offset: 2px;
  border-radius: var(--radius-xs);
}

.muted { color: var(--ink-muted); }
.secondary { color: var(--ink-secondary); }
.small { font-size: var(--text-sm); }
.tiny { font-size: var(--text-xs); }
.mono { font-family: var(--font-mono); font-size: 0.85em; }
.bold { font-weight: 650; }
.guest [hidden] { display: none !important; }
.hidden { display: none !important; }
.nowrap { white-space: nowrap; }
.truncate { overflow: hidden; text-overflow: ellipsis; white-space: nowrap; }
.sr-only {
  position: absolute; width: 1px; height: 1px; padding: 0; margin: -1px;
  overflow: hidden; clip: rect(0 0 0 0); white-space: nowrap; border: 0;
}
.stack { display: flex; flex-direction: column; gap: var(--space-3); }
.row { display: flex; align-items: center; gap: var(--space-2); }
.row-between { display: flex; align-items: center; justify-content: space-between; gap: var(--space-3); }
.wrap { flex-wrap: wrap; }
.grow { flex: 1; }
.spacer { flex: 1; }

/* ------------------------------------------------------------- controls -- */
button, input, select, textarea { font: inherit; color: inherit; }

.btn {
  display: inline-flex; align-items: center; justify-content: center; gap: var(--space-2);
  padding: 10px 16px;
  min-height: 40px;
  border: 1px solid transparent;
  border-radius: var(--radius-sm);
  background: var(--brand);
  color: var(--ink-on-brand);
  font-size: var(--text-sm);
  font-weight: 600;
  cursor: pointer;
  transition: background var(--transition), border-color var(--transition), transform var(--transition), opacity var(--transition);
  white-space: nowrap;
}
.btn:hover { background: var(--brand-strong); text-decoration: none; }
.btn:active { transform: translateY(1px); }
.btn[disabled] { opacity: 0.55; cursor: not-allowed; }
.btn svg { width: 16px; height: 16px; flex: none; }

.btn-secondary { background: var(--surface); color: var(--ink); border-color: var(--border-strong); }
.btn-secondary:hover { background: var(--surface-sunken); }
.btn-ghost { background: transparent; color: var(--ink-secondary); }
.btn-ghost:hover { background: var(--surface-sunken); color: var(--ink); }
.btn-danger { background: var(--serious); }
.btn-danger:hover { background: var(--serious); filter: brightness(0.92); }
.btn-block { width: 100%; }
.btn-sm { min-height: 32px; padding: 6px 12px; font-size: var(--text-xs); }
.btn-lg { min-height: 48px; padding: 12px 22px; font-size: var(--text-base); border-radius: var(--radius-md); }
.btn-icon { padding: 8px; min-height: 36px; min-width: 36px; }

.field { display: flex; flex-direction: column; gap: 6px; }
.field > label, .label {
  font-size: var(--text-xs); font-weight: 600; color: var(--ink-secondary);
  letter-spacing: 0.02em; text-transform: uppercase;
}
.input, .select, .textarea {
  width: 100%;
  padding: 10px 12px;
  min-height: 40px;
  border: 1px solid var(--border-strong);
  border-radius: var(--radius-sm);
  background: var(--surface);
  color: var(--ink);
  transition: border-color var(--transition), box-shadow var(--transition);
  font-size: var(--text-sm);
}
.input::placeholder, .textarea::placeholder { color: var(--ink-muted); }
.input:focus, .select:focus, .textarea:focus {
  outline: none;
  border-color: var(--brand);
  box-shadow: 0 0 0 3px color-mix(in srgb, var(--brand) 18%, transparent);
}
.textarea { min-height: 88px; resize: vertical; line-height: 1.5; }
.select {
  appearance: none;
  padding-right: 32px;
  background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 12 12'%3E%3Cpath d='M2.5 4.5 6 8l3.5-3.5' fill='none' stroke='%236b7d7e' stroke-width='1.6' stroke-linecap='round' stroke-linejoin='round'/%3E%3C/svg%3E");
  background-repeat: no-repeat;
  background-position: right 10px center;
  background-size: 12px;
}
.field-hint { font-size: var(--text-xs); color: var(--ink-muted); }
.field-error { font-size: var(--text-xs); color: var(--serious); }

.switch { display: inline-flex; align-items: center; gap: var(--space-2); cursor: pointer; }
.switch input { position: absolute; opacity: 0; pointer-events: none; }
.switch-track {
  width: 38px; height: 22px; border-radius: var(--radius-full);
  background: var(--border-strong); position: relative; transition: background var(--transition);
}
.switch-track::after {
  content: ""; position: absolute; top: 3px; inset-inline-start: 3px;
  width: 16px; height: 16px; border-radius: 50%; background: #fff;
  transition: transform var(--transition); box-shadow: var(--shadow-xs);
}
.switch input:checked + .switch-track { background: var(--brand); }
.switch input:checked + .switch-track::after { transform: translateX(16px); }
[dir="rtl"] .switch input:checked + .switch-track::after { transform: translateX(-16px); }

.segmented {
  display: inline-flex; padding: 3px; gap: 2px;
  background: var(--surface-sunken); border-radius: var(--radius-sm);
  border: 1px solid var(--border);
}
.segmented button {
  border: 0; background: transparent; color: var(--ink-secondary);
  padding: 6px 12px; border-radius: 7px; font-size: var(--text-xs); font-weight: 600; cursor: pointer;
}
.segmented button[aria-pressed="true"] { background: var(--surface); color: var(--ink); box-shadow: var(--shadow-xs); }

/* ---------------------------------------------------------------- cards -- */
.card {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius-md);
  box-shadow: var(--shadow-xs);
}
.card-pad { padding: var(--space-5); }
.card-header {
  display: flex; align-items: center; justify-content: space-between; gap: var(--space-3);
  padding: var(--space-4) var(--space-5);
  border-bottom: 1px solid var(--border);
}
.card-header h2 { font-size: var(--text-md); }
.card-body { padding: var(--space-5); }
.card-footer { padding: var(--space-4) var(--space-5); border-top: 1px solid var(--border); }

.grid { display: grid; gap: var(--space-4); }
.grid-2 { grid-template-columns: repeat(auto-fit, minmax(260px, 1fr)); }
.grid-3 { grid-template-columns: repeat(auto-fit, minmax(210px, 1fr)); }
.grid-4 { grid-template-columns: repeat(auto-fit, minmax(180px, 1fr)); }

/* ------------------------------------------------------------- badges ---- */
.badge {
  display: inline-flex; align-items: center; gap: 5px;
  padding: 3px 9px;
  border-radius: var(--radius-full);
  background: var(--neutral-soft);
  color: var(--ink-secondary);
  font-size: var(--text-2xs);
  font-weight: 700;
  letter-spacing: 0.03em;
  text-transform: uppercase;
  white-space: nowrap;
}
.badge::before { content: ""; width: 6px; height: 6px; border-radius: 50%; background: currentColor; opacity: 0.9; }
.badge-plain::before { display: none; }
.badge-good { background: var(--good-soft); color: var(--good); }
.badge-warn { background: var(--warn-soft); color: var(--warn); }
.badge-serious { background: var(--serious-soft); color: var(--serious); }
.badge-info { background: var(--info-soft); color: var(--info); }
.badge-brand { background: var(--brand-soft); color: var(--brand); }

/* Request/room/reservation status → status colour, never colour alone. */
.status-new { background: var(--info-soft); color: var(--info); }
.status-accepted { background: var(--warn-soft); color: var(--warn); }
.status-in_progress { background: var(--warn-soft); color: var(--warn); }
.status-completed { background: var(--good-soft); color: var(--good); }
.status-confirmed { background: var(--brand-soft); color: var(--brand); }
.status-cancelled { background: var(--neutral-soft); color: var(--ink-muted); }
.status-occupied { background: var(--brand-soft); color: var(--brand); }
.status-vacant { background: var(--neutral-soft); color: var(--ink-secondary); }
.status-cleaning { background: var(--info-soft); color: var(--info); }
.status-maintenance { background: var(--warn-soft); color: var(--warn); }
.status-out_of_service { background: var(--serious-soft); color: var(--serious); }
.status-checked_in { background: var(--good-soft); color: var(--good); }
.status-booked { background: var(--info-soft); color: var(--info); }
.status-checked_out { background: var(--neutral-soft); color: var(--ink-secondary); }
.status-no_show, .status-suspended, .status-rejected { background: var(--serious-soft); color: var(--serious); }
.status-active, .status-returned, .status-stored { background: var(--good-soft); color: var(--good); }
.status-pending, .status-reported, .status-searching { background: var(--warn-soft); color: var(--warn); }
.status-approved, .status-contacted, .status-matched { background: var(--info-soft); color: var(--info); }
.status-trial, .status-closed { background: var(--neutral-soft); color: var(--ink-secondary); }

.priority-urgent { color: var(--serious); }
.priority-high { color: var(--warn); }
.priority-low { color: var(--ink-muted); }

/* --------------------------------------------------------------- table --- */
.table-wrap { overflow-x: auto; }
table.data { width: 100%; border-collapse: collapse; font-size: var(--text-sm); }
table.data th {
  text-align: start; padding: 10px var(--space-4);
  font-size: var(--text-2xs); text-transform: uppercase; letter-spacing: 0.05em;
  color: var(--ink-muted); font-weight: 700;
  border-bottom: 1px solid var(--border); white-space: nowrap;
}
table.data td { padding: 12px var(--space-4); border-bottom: 1px solid var(--border); vertical-align: middle; }
table.data tbody tr:last-child td { border-bottom: 0; }
table.data tbody tr:hover { background: var(--surface-sunken); }
table.data td.numeric, table.data th.numeric { text-align: end; font-variant-numeric: tabular-nums; }

/* -------------------------------------------------------------- states --- */
.empty {
  display: flex; flex-direction: column; align-items: center; gap: var(--space-2);
  padding: var(--space-10) var(--space-5); text-align: center; color: var(--ink-muted);
}
.empty svg { width: 34px; height: 34px; opacity: 0.5; }
.empty strong { color: var(--ink-secondary); font-weight: 600; }

.skeleton {
  background: linear-gradient(90deg, var(--surface-sunken) 25%, var(--border) 37%, var(--surface-sunken) 63%);
  background-size: 400% 100%;
  animation: shimmer 1.3s ease infinite;
  border-radius: var(--radius-xs);
  height: 14px;
}
@keyframes shimmer { 0% { background-position: 100% 50%; } 100% { background-position: 0 50%; } }

.alert {
  display: flex; gap: var(--space-3); align-items: flex-start;
  padding: var(--space-3) var(--space-4);
  border-radius: var(--radius-sm);
  font-size: var(--text-sm);
  border: 1px solid transparent;
}
.alert-error { background: var(--serious-soft); color: var(--serious); border-color: color-mix(in srgb, var(--serious) 25%, transparent); }
.alert-success { background: var(--good-soft); color: var(--good); border-color: color-mix(in srgb, var(--good) 25%, transparent); }
.alert-info { background: var(--info-soft); color: var(--info); border-color: color-mix(in srgb, var(--info) 25%, transparent); }
.alert-warn { background: var(--warn-soft); color: var(--warn); border-color: color-mix(in srgb, var(--warn) 25%, transparent); }

/* ------------------------------------------------------------- overlays -- */
.modal-backdrop {
  position: fixed; inset: 0; z-index: 60;
  display: flex; align-items: center; justify-content: center;
  padding: var(--space-4);
  background: var(--overlay);
  backdrop-filter: blur(3px);
  animation: fade var(--transition);
}
.modal {
  width: min(100%, 560px);
  max-height: 90vh;
  overflow: auto;
  background: var(--surface);
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow-lg);
  animation: pop 200ms cubic-bezier(0.2, 0.9, 0.3, 1);
}
.modal-wide { width: min(100%, 860px); }
.modal-header {
  position: sticky; top: 0; z-index: 1;
  display: flex; align-items: center; justify-content: space-between; gap: var(--space-3);
  padding: var(--space-5) var(--space-5) var(--space-3);
  background: var(--surface);
}
.modal-body { padding: 0 var(--space-5) var(--space-5); display: flex; flex-direction: column; gap: var(--space-4); }
.modal-footer {
  position: sticky; bottom: 0;
  display: flex; justify-content: flex-end; gap: var(--space-2);
  padding: var(--space-4) var(--space-5);
  background: var(--surface);
  border-top: 1px solid var(--border);
}
@keyframes fade { from { opacity: 0; } to { opacity: 1; } }
@keyframes pop { from { opacity: 0; transform: translateY(12px) scale(0.98); } to { opacity: 1; transform: none; } }

.toast-stack {
  position: fixed; z-index: 90; bottom: var(--space-5); inset-inline-start: 50%;
  transform: translateX(-50%);
  display: flex; flex-direction: column; gap: var(--space-2);
  width: min(92vw, 400px);
  pointer-events: none;
}
[dir="rtl"] .toast-stack { transform: translateX(50%); }
.toast {
  display: flex; align-items: center; gap: var(--space-3);
  padding: 12px var(--space-4);
  border-radius: var(--radius-sm);
  background: var(--surface-inverse);
  color: var(--ink-inverse);
  box-shadow: var(--shadow-md);
  font-size: var(--text-sm);
  animation: pop 200ms ease;
  pointer-events: auto;
}
.toast svg { width: 18px; height: 18px; flex: none; }
.toast-good svg { color: #6ee7b7; }
.toast-error svg { color: #fda4af; }

/* --------------------------------------------------------------- misc ---- */
.dot-live {
  width: 8px; height: 8px; border-radius: 50%; background: var(--good);
  box-shadow: 0 0 0 0 color-mix(in srgb, var(--good) 60%, transparent);
  animation: pulse 2.4s infinite;
}
.dot-live[data-state="off"] { background: var(--ink-muted); animation: none; box-shadow: none; }
@keyframes pulse {
  0% { box-shadow: 0 0 0 0 color-mix(in srgb, var(--good) 55%, transparent); }
  70% { box-shadow: 0 0 0 7px transparent; }
  100% { box-shadow: 0 0 0 0 transparent; }
}

.avatar {
  display: grid; place-items: center;
  width: 34px; height: 34px; border-radius: 50%;
  background: var(--brand-soft); color: var(--brand);
  font-size: var(--text-xs); font-weight: 700; flex: none;
}

.stars { display: inline-flex; gap: 2px; color: var(--accent); }
.stars svg { width: 14px; height: 14px; }
.stars .off { color: var(--border-strong); }

@media (prefers-reduced-motion: reduce) {
  *, *::before, *::after { animation-duration: 0.01ms !important; transition-duration: 0.01ms !important; }
}