/* ==========================================================================
   CUTZ ADMIN — "SPRAWL TERMINAL" DESIGN SYSTEM
   High-Tech / Low-Life admin UI for a beauty-industry booking SaaS.
   Cyberpunk / glitch aesthetic — neon, chamfered panels, scanlines, CRT noise.
   Single production-ready stylesheet. No JS required.
   Toggle theme via: <html data-theme="dark"> or data-theme="light"
   ========================================================================== */

/* --------------------------------------------------------------------------
   0. FONTS — system-available monospace stack (no external @import)
   -------------------------------------------------------------------------- */
:root {
  --font-display: "Segoe UI", "SFMono-Regular", "Consolas", "Liberation Mono",
    ui-monospace, monospace;
  --font-body: "SFMono-Regular", "Consolas", "Liberation Mono", "Menlo",
    ui-monospace, monospace;
  --font-mono: var(--font-body);
}

/* --------------------------------------------------------------------------
   1. DESIGN TOKENS — DARK THEME (default / primary identity)
   -------------------------------------------------------------------------- */
:root,
[data-theme="dark"] {
  color-scheme: dark;

  --bg: #0a0a0f;
  --bg-elevated: #0e0e16;
  --surface: #12121a;
  --surface-2: #171724;
  --muted: #1c1c2e;
  --muted-fg: #7d8394;
  --fg: #e2e4ea;
  --fg-dim: #9aa0b4;

  --border: #262636;
  --border-strong: #34344a;
  --input-bg: #12121a;

  --accent: #00ff88;          /* primary neon green */
  --accent-fg: #04120a;
  --accent-secondary: #ff2ec4; /* magenta */
  --accent-tertiary: #00d4ff;  /* cyan */

  --danger: #ff3366;
  --danger-fg: #1a0208;
  --warning: #ffcc33;
  --warning-fg: #1a1300;
  --success: var(--accent);
  --success-fg: var(--accent-fg);

  --ring: #00ff88;

  --radius-sm: 3px;
  --radius-md: 4px;
  --chamfer: 10px;
  --chamfer-sm: 6px;

  --shadow-neon-sm: 0 0 3px rgba(0, 255, 136, 0.45), 0 0 8px rgba(0, 255, 136, 0.18);
  --shadow-neon: 0 0 6px rgba(0, 255, 136, 0.5), 0 0 16px rgba(0, 255, 136, 0.22);
  --shadow-neon-lg: 0 0 10px rgba(0, 255, 136, 0.55), 0 0 28px rgba(0, 255, 136, 0.3);
  --shadow-danger: 0 0 6px rgba(255, 51, 102, 0.55), 0 0 16px rgba(255, 51, 102, 0.25);
  --shadow-warning: 0 0 6px rgba(255, 204, 51, 0.45), 0 0 16px rgba(255, 204, 51, 0.2);
  --shadow-card: 0 1px 0 rgba(255, 255, 255, 0.02) inset, 0 8px 24px rgba(0, 0, 0, 0.45);

  --scanline-opacity: 0.05;
  --grid-opacity: 0.05;

  --transition-fast: 120ms cubic-bezier(0.4, 0, 0.2, 1);
  --transition: 180ms cubic-bezier(0.4, 0, 0.2, 1);
}

/* --------------------------------------------------------------------------
   1b. DESIGN TOKENS — LIGHT THEME
   Keeps the same terminal/neon identity but recast for a bright,
   bluish-grey "daylight HUD" surface instead of the void.
   -------------------------------------------------------------------------- */
[data-theme="light"] {
  color-scheme: light;

  --bg: #eef1f6;
  --bg-elevated: #f5f7fb;
  --surface: #ffffff;
  --surface-2: #f2f4f9;
  --muted: #e6e9f2;
  --muted-fg: #5b6178;

  --fg: #10121c;
  --fg-dim: #454a5e;

  --border: #d7dbe6;
  --border-strong: #c1c6d6;
  --input-bg: #ffffff;

  --accent: #049e5f;             /* elegant emerald, legible on white */
  --accent-fg: #ffffff;
  --accent-secondary: #b3009e;
  --accent-tertiary: #0086b3;

  --danger: #d81e4d;
  --danger-fg: #ffffff;
  --warning: #a56a00;
  --warning-fg: #1a1300;
  --success: var(--accent);
  --success-fg: var(--accent-fg);

  --ring: #049e5f;

  --shadow-neon-sm: 0 0 0 1px rgba(4, 158, 95, 0.25), 0 2px 6px rgba(4, 158, 95, 0.12);
  --shadow-neon: 0 0 0 1px rgba(4, 158, 95, 0.3), 0 4px 14px rgba(4, 158, 95, 0.16);
  --shadow-neon-lg: 0 0 0 1px rgba(4, 158, 95, 0.35), 0 10px 28px rgba(4, 158, 95, 0.2);
  --shadow-danger: 0 0 0 1px rgba(216, 30, 77, 0.3), 0 4px 14px rgba(216, 30, 77, 0.16);
  --shadow-warning: 0 0 0 1px rgba(165, 106, 0, 0.3), 0 4px 14px rgba(165, 106, 0, 0.14);
  --shadow-card: 0 1px 0 rgba(255, 255, 255, 0.6) inset, 0 6px 18px rgba(20, 30, 60, 0.08);

  --scanline-opacity: 0.02;
  --grid-opacity: 0.03;
}

/* --------------------------------------------------------------------------
   2. RESET / BASE
   -------------------------------------------------------------------------- */
*, *::before, *::after { box-sizing: border-box; }

html, body {
  height: 100%;
}

body {
  margin: 0;
  background: var(--bg);
  color: var(--fg);
  font-family: var(--font-body);
  font-size: 14px;
  line-height: 1.5;
  -webkit-font-smoothing: antialiased;
  position: relative;
}

/* Ambient circuit-grid texture behind everything */
body::before {
  content: "";
  position: fixed;
  inset: 0;
  pointer-events: none;
  z-index: 0;
  background-image:
    linear-gradient(rgba(0, 255, 136, var(--grid-opacity)) 1px, transparent 1px),
    linear-gradient(90deg, rgba(0, 255, 136, var(--grid-opacity)) 1px, transparent 1px);
  background-size: 46px 46px;
}

/* CRT scanline overlay */
body::after {
  content: "";
  position: fixed;
  inset: 0;
  pointer-events: none;
  z-index: 1000;
  background: repeating-linear-gradient(
    0deg,
    transparent,
    transparent 2px,
    rgba(0, 0, 0, var(--scanline-opacity)) 2px,
    rgba(0, 0, 0, var(--scanline-opacity)) 4px
  );
  mix-blend-mode: multiply;
}

h1, h2, h3, h4, h5, h6 {
  font-family: var(--font-display);
  font-weight: 700;
  letter-spacing: 0.04em;
  margin: 0 0 0.5em;
  color: var(--fg);
}

a { color: var(--accent); text-decoration: none; }

/* Focus-visible accessibility, everywhere */
:focus-visible {
  outline: 2px solid var(--ring);
  outline-offset: 2px;
  border-radius: 2px;
}

@media (prefers-reduced-motion: reduce) {
  *, *::before, *::after {
    animation-duration: 0.001ms !important;
    animation-iteration-count: 1 !important;
    transition-duration: 0.001ms !important;
    scroll-behavior: auto !important;
  }
}

/* --------------------------------------------------------------------------
   3. CHAMFER UTILITY (shared clip-path corner cuts)
   -------------------------------------------------------------------------- */
.card,
.inner-card,
.metric-card,
.empty-card,
.admin-gallery-card,
.btn,
.form-control,
select.form-control,
.uid-pill,
.pill,
.badge,
.status-badge,
.alert,
.step,
.time-slot,
.confirmation-card,
.employee-card,
.service-card {
  clip-path: polygon(
    0 8px, 8px 0,
    calc(100% - 8px) 0, 100% 8px,
    100% calc(100% - 8px), calc(100% - 8px) 100%,
    8px 100%, 0 calc(100% - 8px)
  );
}

.btn.small,
.form-control,
select.form-control,
.uid-pill,
.pill,
.badge,
.status-badge {
  clip-path: polygon(
    0 5px, 5px 0,
    calc(100% - 5px) 0, 100% 5px,
    100% calc(100% - 5px), calc(100% - 5px) 100%,
    5px 100%, 0 calc(100% - 5px)
  );
}

/* --------------------------------------------------------------------------
   4. APP SHELL / SIDEBAR
   -------------------------------------------------------------------------- */
.admin-shell {
  position: relative;
  z-index: 1;
  display: flex;
  min-height: 100vh;
  background: var(--bg);
}

.sidebar {
  width: 248px;
  flex-shrink: 0;
  background: linear-gradient(180deg, var(--bg-elevated), var(--bg));
  border-right: 1px solid var(--border);
  display: flex;
  flex-direction: column;
  padding: 20px 14px;
  position: relative;
}

[data-theme="dark"] .sidebar {
  box-shadow: inset -1px 0 0 rgba(0, 255, 136, 0.05);
}

.sidebar-brand {
  padding: 6px 10px 18px;
  border-bottom: 1px solid var(--border);
  margin-bottom: 14px;
}

.sidebar-brand h2 {
  font-size: 15px;
  text-transform: uppercase;
  letter-spacing: 0.14em;
  color: var(--accent);
  text-shadow: 0 0 8px rgba(0, 255, 136, 0.35);
  margin: 0;
}

.sidebar-brand p {
  margin: 4px 0 0;
  font-size: 11px;
  color: var(--muted-fg);
  text-transform: uppercase;
  letter-spacing: 0.12em;
}

.admin-nav {
  display: flex;
  flex-direction: column;
  gap: 3px;
  flex: 1;
}

.admin-nav a {
  display: flex;
  align-items: center;
  gap: 10px;
  padding: 9px 12px;
  color: var(--fg-dim);
  font-size: 12.5px;
  text-transform: uppercase;
  letter-spacing: 0.08em;
  border: 1px solid transparent;
  border-radius: var(--radius-sm);
  transition: color var(--transition-fast), border-color var(--transition-fast),
    background var(--transition-fast);
}

.admin-nav a:hover {
  color: var(--fg);
  background: var(--muted);
  border-color: var(--border-strong);
}

.admin-nav a.active {
  color: var(--accent);
  background: rgba(0, 255, 136, 0.08);
  border-color: rgba(0, 255, 136, 0.4);
  box-shadow: var(--shadow-neon-sm);
}

.sidebar-footer {
  padding-top: 14px;
  margin-top: 14px;
  border-top: 1px solid var(--border);
  font-size: 11px;
  color: var(--muted-fg);
  text-transform: uppercase;
  letter-spacing: 0.1em;
}

.admin-main {
  flex: 1;
  min-width: 0;
  padding: 32px 40px 60px;
  position: relative;
  z-index: 1;
}

/* --------------------------------------------------------------------------
   5. PAGE HEAD
   -------------------------------------------------------------------------- */
.page-head {
  margin-bottom: 24px;
}

.page-head h1 {
  font-size: 21px;
  text-transform: uppercase;
  letter-spacing: 0.06em;
}

.eyebrow {
  display: inline-block;
  font-size: 10.5px;
  text-transform: uppercase;
  letter-spacing: 0.2em;
  color: var(--accent-tertiary);
  margin-bottom: 6px;
}

.muted {
  color: var(--muted-fg);
  font-size: 12.5px;
}

/* --------------------------------------------------------------------------
   6. CARDS / GRIDS
   -------------------------------------------------------------------------- */
.card,
.inner-card,
.metric-card,
.empty-card {
  background: var(--surface);
  border: 1px solid var(--border);
  box-shadow: var(--shadow-card);
  padding: 18px 20px;
  transition: transform var(--transition), border-color var(--transition), box-shadow var(--transition);
}

.card:hover {
  transform: translateY(-1px);
  border-color: var(--border-strong);
}

.inner-card {
  background: var(--surface-2);
  padding: 14px 16px;
}

.metric-card {
  background: linear-gradient(150deg, var(--surface) 0%, var(--surface-2) 100%);
  position: relative;
  overflow: hidden;
}

.metric-card::before {
  content: "";
  position: absolute;
  top: -40%;
  right: -20%;
  width: 140px;
  height: 140px;
  background: radial-gradient(circle, rgba(0, 255, 136, 0.16), transparent 70%);
  pointer-events: none;
}

.metric-card strong {
  display: block;
  font-family: var(--font-display);
  font-size: 26px;
  color: var(--fg);
  text-shadow: 0 0 10px rgba(0, 255, 136, 0.18);
}

.empty-card {
  border-style: dashed;
  color: var(--muted-fg);
  text-align: center;
  padding: 34px 20px;
  font-size: 12.5px;
  text-transform: uppercase;
  letter-spacing: 0.08em;
}

.grid { display: grid; gap: 16px; }
.grid-2 { grid-template-columns: repeat(2, 1fr); }
.grid-3 { grid-template-columns: repeat(3, 1fr); }
.grid-4 { grid-template-columns: repeat(4, 1fr); }
.form-grid { display: grid; grid-template-columns: repeat(2, 1fr); gap: 12px 16px; }

/* --------------------------------------------------------------------------
   7. FORMS
   -------------------------------------------------------------------------- */
.admin-form { display: flex; flex-direction: column; gap: 14px; }

.form-group { display: flex; flex-direction: column; gap: 6px; }

label {
  font-size: 11px;
  text-transform: uppercase;
  letter-spacing: 0.09em;
  color: var(--fg-dim);
  font-weight: 600;
}

.form-control {
  background: var(--input-bg);
  border: 1px solid var(--border);
  color: var(--fg);
  font-family: var(--font-mono);
  font-size: 13px;
  padding: 8px 10px;
  width: 100%;
  transition: border-color var(--transition-fast), box-shadow var(--transition-fast);
}

.form-control::placeholder { color: var(--muted-fg); }

.form-control:focus {
  border-color: var(--accent);
  box-shadow: var(--shadow-neon-sm);
  outline: none;
}

textarea.form-control {
  min-height: 84px;
  resize: vertical;
  line-height: 1.5;
}

select.form-control {
  appearance: none;
  background-image: linear-gradient(45deg, transparent 50%, var(--accent) 50%),
    linear-gradient(135deg, var(--accent) 50%, transparent 50%);
  background-position: calc(100% - 16px) calc(50% - 2px), calc(100% - 11px) calc(50% - 2px);
  background-size: 5px 5px, 5px 5px;
  background-repeat: no-repeat;
  padding-right: 30px;
}

input[type="file"] {
  font-family: var(--font-mono);
  font-size: 12px;
  color: var(--muted-fg);
  border: 1px dashed var(--border-strong);
  background: var(--surface-2);
  padding: 14px 12px;
  width: 100%;
  cursor: pointer;
}

input[type="file"]::file-selector-button {
  font-family: var(--font-mono);
  text-transform: uppercase;
  letter-spacing: 0.07em;
  font-size: 11px;
  padding: 7px 12px;
  margin-right: 12px;
  border: 1px solid var(--accent);
  background: transparent;
  color: var(--accent);
  cursor: pointer;
  transition: background var(--transition-fast), color var(--transition-fast), box-shadow var(--transition-fast);
}

input[type="file"]::file-selector-button:hover {
  background: var(--accent);
  color: var(--accent-fg);
  box-shadow: var(--shadow-neon-sm);
}

.form-actions {
  display: flex;
  justify-content: flex-end;
  gap: 10px;
  padding-top: 6px;
  border-top: 1px solid var(--border);
  margin-top: 4px;
}

.check-inline {
  display: flex;
  align-items: center;
  gap: 8px;
  font-size: 12.5px;
  color: var(--fg-dim);
  text-transform: none;
  letter-spacing: 0;
}

.check-list { display: flex; flex-direction: column; gap: 8px; }

input[type="checkbox"] {
  appearance: none;
  width: 16px;
  height: 16px;
  border: 1px solid var(--border-strong);
  background: var(--input-bg);
  position: relative;
  cursor: pointer;
  flex-shrink: 0;
  transition: border-color var(--transition-fast), box-shadow var(--transition-fast);
}

input[type="checkbox"]:checked {
  border-color: var(--accent);
  background: rgba(0, 255, 136, 0.12);
  box-shadow: var(--shadow-neon-sm);
}

input[type="checkbox"]:checked::after {
  content: "";
  position: absolute;
  left: 4px;
  top: 1px;
  width: 4px;
  height: 8px;
  border: solid var(--accent);
  border-width: 0 2px 2px 0;
  transform: rotate(45deg);
}

.danger-check { color: var(--danger); }
.danger-check input[type="checkbox"]:checked {
  border-color: var(--danger);
  background: rgba(255, 51, 102, 0.12);
  box-shadow: var(--shadow-danger);
}
.danger-check input[type="checkbox"]:checked::after { border-color: var(--danger); }

/* --------------------------------------------------------------------------
   8. BUTTONS
   -------------------------------------------------------------------------- */
.btn,
button.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 6px;
  font-family: var(--font-mono);
  font-size: 12px;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.08em;
  padding: 9px 16px;
  border: 1px solid var(--border-strong);
  background: var(--surface-2);
  color: var(--fg);
  cursor: pointer;
  transition: transform var(--transition-fast), box-shadow var(--transition-fast),
    background var(--transition-fast), border-color var(--transition-fast), filter var(--transition-fast);
}

.btn:hover { transform: translateY(-1px); border-color: var(--border-strong); }
.btn:active { transform: translateY(0); }

.btn.primary {
  background: linear-gradient(135deg, var(--accent), #00cc6e);
  border-color: var(--accent);
  color: var(--accent-fg);
  box-shadow: var(--shadow-neon);
}
.btn.primary:hover { filter: brightness(1.08); box-shadow: var(--shadow-neon-lg); }

.btn.danger {
  background: linear-gradient(135deg, var(--danger), #c21f4c);
  border-color: var(--danger);
  color: var(--danger-fg);
  box-shadow: var(--shadow-danger);
}
.btn.danger:hover { filter: brightness(1.08); }

.btn.small { padding: 5px 11px; font-size: 11px; }
.btn.full { width: 100%; }

.btn:disabled,
button.btn:disabled {
  opacity: 0.4;
  cursor: not-allowed;
  filter: none;
  box-shadow: none;
  transform: none;
}

.table-actions { display: flex; gap: 8px; }

/* --------------------------------------------------------------------------
   9. TABLES
   -------------------------------------------------------------------------- */
.table-responsive { overflow-x: auto; border: 1px solid var(--border); }

.table {
  width: 100%;
  border-collapse: collapse;
  font-size: 12.5px;
}

.table th {
  text-align: left;
  padding: 10px 12px;
  background: var(--surface-2);
  color: var(--muted-fg);
  text-transform: uppercase;
  letter-spacing: 0.08em;
  font-size: 10.5px;
  border-bottom: 1px solid var(--border);
}

.table td {
  padding: 10px 12px;
  border-bottom: 1px solid var(--border);
  color: var(--fg-dim);
}

.table tr:hover td { background: rgba(0, 255, 136, 0.04); color: var(--fg); }

/* --------------------------------------------------------------------------
   10. PILLS / BADGES / ALERTS / PRICE
   -------------------------------------------------------------------------- */
.uid-pill,
.pill,
.badge,
.status-badge {
  display: inline-flex;
  align-items: center;
  gap: 4px;
  font-size: 10.5px;
  text-transform: uppercase;
  letter-spacing: 0.07em;
  padding: 3px 9px;
  border: 1px solid var(--border-strong);
  background: var(--surface-2);
  color: var(--fg-dim);
  font-family: var(--font-mono);
}

.status-badge.ok, .status-badge.success, .badge.success {
  color: var(--accent);
  border-color: var(--accent);
  background: rgba(0, 255, 136, 0.08);
}
.status-badge.err, .status-badge.danger, .badge.danger {
  color: var(--danger);
  border-color: var(--danger);
  background: rgba(255, 51, 102, 0.08);
}
.status-badge.warning, .badge.warning {
  color: var(--warning);
  border-color: var(--warning);
  background: rgba(255, 204, 51, 0.08);
}

.alert {
  padding: 12px 14px;
  border: 1px solid var(--border);
  background: var(--surface-2);
  font-size: 12.5px;
  clip-path: none;
  border-left: 3px solid var(--border-strong);
}

.alert.ok, .alert.success {
  border-left-color: var(--accent);
  color: var(--fg);
  background: rgba(0, 255, 136, 0.06);
}
.alert.err {
  border-left-color: var(--danger);
  background: rgba(255, 51, 102, 0.06);
}
.alert.warning {
  border-left-color: var(--warning);
  background: rgba(255, 204, 51, 0.06);
}

.price {
  font-family: var(--font-display);
  font-size: 18px;
  color: var(--accent);
  text-shadow: 0 0 8px rgba(0, 255, 136, 0.25);
}
.small-price {
  font-family: var(--font-mono);
  font-size: 12px;
  color: var(--muted-fg);
}

/* --------------------------------------------------------------------------
   11. GALLERY / MEDIA CARDS / UPLOAD
   -------------------------------------------------------------------------- */
.admin-gallery-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(220px, 1fr));
  gap: 18px;
}

.admin-gallery-card {
  background: var(--surface);
  border: 1px solid var(--border);
  box-shadow: var(--shadow-card);
  overflow: hidden;
  display: flex;
  flex-direction: column;
  transition: transform var(--transition), border-color var(--transition), box-shadow var(--transition);
}

.admin-gallery-card:hover {
  transform: translateY(-2px);
  border-color: var(--accent-tertiary);
  box-shadow: var(--shadow-neon-sm);
}

.admin-gallery-card img {
  width: 100%;
  height: 220px;
  object-fit: cover;
  display: block;
  border-bottom: 1px solid var(--border);
}

.admin-gallery-form {
  padding: 12px 14px 14px;
  display: flex;
  flex-direction: column;
  gap: 8px;
}

.admin-gallery-form .form-group { gap: 4px; }
.admin-gallery-form .form-actions { border-top: none; padding-top: 2px; margin-top: 0; }

.admin-preview,
.avatar-preview,
.service-preview,
.cover-preview {
  border: 1px solid var(--border);
  background: var(--surface-2);
  padding: 4px;
  display: inline-block;
}

.avatar-preview img,
.service-preview img,
.cover-preview img,
.admin-preview img {
  display: block;
  object-fit: cover;
}

.gallery {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(160px, 1fr));
  gap: 12px;
}

/* --------------------------------------------------------------------------
   12. PUBLIC BOOKING FLOW
   -------------------------------------------------------------------------- */
.container { max-width: 1120px; margin: 0 auto; padding: 0 20px; }
.section { padding: 56px 0; position: relative; z-index: 1; }

.hero,
.salon-hero {
  position: relative;
  padding: 72px 0;
  background: radial-gradient(circle at 20% 20%, rgba(0, 255, 136, 0.08), transparent 55%),
    radial-gradient(circle at 80% 60%, rgba(0, 212, 255, 0.06), transparent 55%),
    var(--bg-elevated);
  border-bottom: 1px solid var(--border);
  text-align: center;
}

.service-card,
.employee-card {
  background: var(--surface);
  border: 1px solid var(--border);
  box-shadow: var(--shadow-card);
  padding: 20px;
  transition: transform var(--transition), box-shadow var(--transition), border-color var(--transition);
}
.service-card:hover,
.employee-card:hover {
  transform: translateY(-2px);
  border-color: var(--accent);
  box-shadow: var(--shadow-neon-sm);
}

.employee-avatar {
  width: 84px;
  height: 84px;
  border-radius: 50%;
  object-fit: cover;
  border: 2px solid var(--accent);
  box-shadow: var(--shadow-neon-sm);
}

.employee-title {
  font-size: 12px;
  text-transform: uppercase;
  letter-spacing: 0.08em;
  color: var(--accent-tertiary);
}

.employee-bio { font-size: 12.5px; color: var(--fg-dim); }

.employee-gallery-preview {
  display: flex;
  gap: 6px;
  margin-top: 10px;
}
.employee-gallery-preview img {
  width: 48px;
  height: 48px;
  object-fit: cover;
  border: 1px solid var(--border);
}

.employee-actions { display: flex; gap: 8px; margin-top: 12px; }

.steps { display: flex; gap: 8px; margin-bottom: 24px; }

.step {
  flex: 1;
  text-align: center;
  padding: 10px 8px;
  font-size: 11px;
  text-transform: uppercase;
  letter-spacing: 0.07em;
  border: 1px solid var(--border);
  background: var(--surface-2);
  color: var(--muted-fg);
}

.step.active {
  border-color: var(--accent);
  color: var(--accent);
  box-shadow: var(--shadow-neon-sm);
  background: rgba(0, 255, 136, 0.06);
}

.calendar-grid {
  display: grid;
  grid-template-columns: repeat(7, 1fr);
  gap: 6px;
}

.time-slot {
  text-align: center;
  padding: 9px 6px;
  font-size: 12px;
  border: 1px solid var(--border);
  background: var(--surface-2);
  color: var(--fg-dim);
  cursor: pointer;
  transition: border-color var(--transition-fast), box-shadow var(--transition-fast), color var(--transition-fast);
}
.time-slot:hover { border-color: var(--accent-tertiary); color: var(--fg); }

.time-slot.selected {
  border-color: var(--accent);
  color: var(--accent-fg);
  background: var(--accent);
  box-shadow: var(--shadow-neon);
}

.time-slot.disabled {
  opacity: 0.35;
  cursor: not-allowed;
  text-decoration: line-through;
}

.booking-form { display: flex; flex-direction: column; gap: 14px; max-width: 520px; }

.confirmation-card {
  background: var(--surface);
  border: 1px solid var(--accent);
  box-shadow: var(--shadow-neon);
  padding: 26px;
  text-align: center;
}

/* --------------------------------------------------------------------------
   13. THEME TOGGLE
   -------------------------------------------------------------------------- */
.theme-toggle {
  display: inline-flex;
  border: 1px solid var(--border-strong);
  background: var(--surface-2);
  padding: 3px;
  gap: 3px;
}

.theme-toggle button {
  border: none;
  background: transparent;
  color: var(--muted-fg);
  font-family: var(--font-mono);
  font-size: 11px;
  text-transform: uppercase;
  letter-spacing: 0.08em;
  padding: 6px 10px;
  cursor: pointer;
  display: flex;
  align-items: center;
  gap: 5px;
  transition: color var(--transition-fast), background var(--transition-fast);
}

.theme-toggle button.active,
.theme-toggle .active {
  color: var(--accent-fg);
  background: var(--accent);
  box-shadow: var(--shadow-neon-sm);
}

.theme-toggle-icon {
  width: 13px;
  height: 13px;
  display: inline-block;
}

/* --------------------------------------------------------------------------
   14. RESPONSIVE
   -------------------------------------------------------------------------- */
@media (max-width: 1200px) {
  .grid-4 { grid-template-columns: repeat(3, 1fr); }
  .admin-main { padding: 28px 30px 50px; }
}

@media (max-width: 1024px) {
  .grid-3, .grid-4 { grid-template-columns: repeat(2, 1fr); }
  .sidebar { width: 208px; }
  .admin-main { padding: 24px 22px 46px; }
}

@media (max-width: 768px) {
  .admin-shell { flex-direction: column; }
  .sidebar {
    width: 100%;
    flex-direction: row;
    align-items: center;
    overflow-x: auto;
    padding: 12px;
    border-right: none;
    border-bottom: 1px solid var(--border);
  }
  .sidebar-brand { border-bottom: none; padding: 0 12px 0 0; margin: 0; }
  .admin-nav { flex-direction: row; }
  .sidebar-footer { display: none; }
  .admin-main { padding: 18px 16px 40px; }
  .grid-2, .grid-3, .grid-4, .form-grid { grid-template-columns: 1fr; }
  .admin-gallery-grid { grid-template-columns: repeat(auto-fill, minmax(160px, 1fr)); }
  .steps { flex-wrap: wrap; }
}

@media (max-width: 520px) {
  .admin-gallery-grid, .gallery { grid-template-columns: 1fr 1fr; }
  .admin-gallery-card img { height: 160px; }
  .form-actions { flex-direction: column-reverse; }
  .btn.full, .form-actions .btn { width: 100%; }
  .calendar-grid { grid-template-columns: repeat(4, 1fr); }
  .table th, .table td { padding: 8px; font-size: 11.5px; }
}

/* =========================================================
   Public booking/form readability baseline
   Applies to every public theme.
   Theme files may change colors, but inputs must stay readable.
   ========================================================= */

.public-theme .form-control,
.public-theme input[type="date"],
.public-theme input[type="text"],
.public-theme input[type="email"],
.public-theme input[type="tel"],
.public-theme input[type="password"],
.public-theme input[type="number"],
.public-theme textarea,
.public-theme select {
    background-color: var(--public-input-bg, #ffffff) !important;
    color: var(--public-input-fg, #111827) !important;
    border-color: var(--public-input-border, rgba(15, 23, 42, 0.18)) !important;
    color-scheme: light;
}

.public-theme .form-control::placeholder,
.public-theme textarea::placeholder {
    color: var(--public-input-placeholder, #6b7280) !important;
}

.public-theme input[type="date"]::-webkit-calendar-picker-indicator {
    opacity: 0.75;
    cursor: pointer;
    filter: none;
}

.public-theme [data-theme="dark"] .form-control,
.public-theme[data-theme="dark"] .form-control {
    background-color: var(--public-input-bg, #ffffff) !important;
    color: var(--public-input-fg, #111827) !important;
}
