/* Hamgaman UI theme tokens — portal + automation */
html {
  --ui-font-scale: 1;
  font-size: calc(16px * var(--ui-font-scale));
}

html[data-font-size="sm"] { --ui-font-scale: 0.875; }
html[data-font-size="md"] { --ui-font-scale: 1; }
html[data-font-size="lg"] { --ui-font-scale: 1.125; }

/* Defaults (classic light) */
html {
  --ui-bg: #f8f9fa;
  --ui-surface: #ffffff;
  --ui-surface-muted: #f6f7fa;
  --ui-text: #333333;
  --ui-text-muted: #666666;
  --ui-border: #e9ecef;
  --ui-border-strong: #dee2e6;
  --ui-accent: #dc3545;
  --ui-accent-hover: #c82333;
  --ui-accent-deep: #a71e2a;
  --ui-accent-soft: rgba(220, 53, 69, 0.12);
  --ui-accent-shadow: rgba(220, 53, 69, 0.3);
  --ui-accent-gradient: linear-gradient(135deg, #dc3545 0%, #c82333 100%);
  --ui-accent-gradient-hover: linear-gradient(135deg, #c82333 0%, #a71e2a 100%);
  --ui-brand: #007bff;
  --ui-brand-hover: #0056b3;
  --ui-sidebar-bg: #1e293b;
  --ui-sidebar-text: #e2e8f0;
  --ui-sidebar-muted: #94a3b8;
  --ui-overlay: rgba(0, 0, 0, 0.5);
  --ui-table-head: #f8fafc;
  --ui-link: #007bff;
  --ui-row-hover: color-mix(in srgb, var(--ui-accent) 7%, var(--ui-surface));
  --ui-row-selected: color-mix(in srgb, var(--ui-accent) 14%, var(--ui-surface));
  --ui-row-pending: #fffbeb;
  --ui-row-pending-hover: #fef3c7;
  --ui-row-done: #e2e8f0;
  --ui-row-done-hover: #cbd5e1;
  --ui-row-done-text: #334155;
  --ui-row-highlight: #fff4d8;
  --float-accent: var(--ui-accent);
  --float-accent-ring: color-mix(in srgb, var(--ui-accent) 15%, transparent);
}

/* Classic */
html[data-theme="classic"] {
  --ui-accent: #dc3545;
  --ui-accent-hover: #c82333;
  --ui-accent-deep: #a71e2a;
  --ui-accent-soft: rgba(220, 53, 69, 0.12);
  --ui-accent-shadow: rgba(220, 53, 69, 0.3);
  --ui-accent-gradient: linear-gradient(135deg, #dc3545 0%, #c82333 100%);
  --ui-accent-gradient-hover: linear-gradient(135deg, #c82333 0%, #a71e2a 100%);
  --ui-brand: #007bff;
  --ui-link: #007bff;
  --ui-sidebar-bg: #1e293b;
}
html[data-theme="classic"][data-mode="dark"] {
  --ui-bg: #111827;
  --ui-surface: #1f2937;
  --ui-surface-muted: #374151;
  --ui-text: #f3f4f6;
  --ui-text-muted: #9ca3af;
  --ui-border: #374151;
  --ui-border-strong: #4b5563;
  --ui-table-head: #374151;
  --ui-overlay: rgba(0, 0, 0, 0.65);
  --ui-sidebar-bg: #0f172a;
  --ui-row-pending: color-mix(in srgb, #f59e0b 18%, var(--ui-surface));
  --ui-row-pending-hover: color-mix(in srgb, #f59e0b 28%, var(--ui-surface));
  --ui-row-done: color-mix(in srgb, var(--ui-text-muted) 22%, var(--ui-surface));
  --ui-row-done-hover: color-mix(in srgb, var(--ui-text-muted) 32%, var(--ui-surface));
  --ui-row-done-text: var(--ui-text-muted);
  --ui-row-highlight: color-mix(in srgb, #f59e0b 22%, var(--ui-surface));
}

/* Ocean (سبزآبی) */
html[data-theme="ocean"] {
  --ui-bg: #ecfdf5;
  --ui-accent: #0d9488;
  --ui-accent-hover: #0f766e;
  --ui-accent-deep: #115e59;
  --ui-accent-soft: rgba(13, 148, 136, 0.12);
  --ui-accent-shadow: rgba(13, 148, 136, 0.28);
  --ui-accent-gradient: linear-gradient(135deg, #14b8a6 0%, #0d9488 100%);
  --ui-accent-gradient-hover: linear-gradient(135deg, #0d9488 0%, #0f766e 100%);
  --ui-brand: #0891b2;
  --ui-link: #0d9488;
  --ui-sidebar-bg: #134e4a;
}
html[data-theme="ocean"][data-mode="dark"] {
  --ui-bg: #042f2e;
  --ui-surface: #134e4a;
  --ui-surface-muted: #115e59;
  --ui-text: #ecfdf5;
  --ui-text-muted: #99f6e4;
  --ui-border: #115e59;
  --ui-border-strong: #0f766e;
  --ui-table-head: #115e59;
  --ui-sidebar-bg: #042f2e;
  --ui-row-pending: color-mix(in srgb, #f59e0b 18%, var(--ui-surface));
  --ui-row-pending-hover: color-mix(in srgb, #f59e0b 28%, var(--ui-surface));
  --ui-row-done: color-mix(in srgb, var(--ui-text-muted) 22%, var(--ui-surface));
  --ui-row-done-hover: color-mix(in srgb, var(--ui-text-muted) 32%, var(--ui-surface));
  --ui-row-done-text: var(--ui-text-muted);
  --ui-row-highlight: color-mix(in srgb, #f59e0b 22%, var(--ui-surface));
}

/* Autumn (پاییزی) */
html[data-theme="autumn"] {
  --ui-bg: #fffbeb;
  --ui-accent: #d97706;
  --ui-accent-hover: #b45309;
  --ui-accent-deep: #92400e;
  --ui-accent-soft: rgba(217, 119, 6, 0.14);
  --ui-accent-shadow: rgba(217, 119, 6, 0.28);
  --ui-accent-gradient: linear-gradient(135deg, #f59e0b 0%, #d97706 100%);
  --ui-accent-gradient-hover: linear-gradient(135deg, #d97706 0%, #b45309 100%);
  --ui-brand: #ca8a04;
  --ui-link: #b45309;
  --ui-sidebar-bg: #78350f;
}
html[data-theme="autumn"][data-mode="dark"] {
  --ui-bg: #292524;
  --ui-surface: #44403c;
  --ui-surface-muted: #57534e;
  --ui-text: #fef3c7;
  --ui-text-muted: #fcd34d;
  --ui-border: #57534e;
  --ui-border-strong: #78716c;
  --ui-table-head: #44403c;
  --ui-sidebar-bg: #1c1917;
  --ui-row-pending: color-mix(in srgb, #f59e0b 18%, var(--ui-surface));
  --ui-row-pending-hover: color-mix(in srgb, #f59e0b 28%, var(--ui-surface));
  --ui-row-done: color-mix(in srgb, var(--ui-text-muted) 22%, var(--ui-surface));
  --ui-row-done-hover: color-mix(in srgb, var(--ui-text-muted) 32%, var(--ui-surface));
  --ui-row-done-text: var(--ui-text-muted);
  --ui-row-highlight: color-mix(in srgb, #f59e0b 22%, var(--ui-surface));
}

/* Winter (زمستانی) */
html[data-theme="winter"] {
  --ui-bg: #f0f9ff;
  --ui-accent: #0284c7;
  --ui-accent-hover: #0369a1;
  --ui-accent-deep: #075985;
  --ui-accent-soft: rgba(2, 132, 199, 0.12);
  --ui-accent-shadow: rgba(2, 132, 199, 0.28);
  --ui-accent-gradient: linear-gradient(135deg, #38bdf8 0%, #0284c7 100%);
  --ui-accent-gradient-hover: linear-gradient(135deg, #0284c7 0%, #0369a1 100%);
  --ui-brand: #0ea5e9;
  --ui-link: #0284c7;
  --ui-sidebar-bg: #0c4a6e;
}
html[data-theme="winter"][data-mode="dark"] {
  --ui-bg: #0c4a6e;
  --ui-surface: #075985;
  --ui-surface-muted: #0369a1;
  --ui-text: #e0f2fe;
  --ui-text-muted: #bae6fd;
  --ui-border: #0369a1;
  --ui-border-strong: #0284c7;
  --ui-table-head: #075985;
  --ui-sidebar-bg: #082f49;
  --ui-row-pending: color-mix(in srgb, #f59e0b 18%, var(--ui-surface));
  --ui-row-pending-hover: color-mix(in srgb, #f59e0b 28%, var(--ui-surface));
  --ui-row-done: color-mix(in srgb, var(--ui-text-muted) 22%, var(--ui-surface));
  --ui-row-done-hover: color-mix(in srgb, var(--ui-text-muted) 32%, var(--ui-surface));
  --ui-row-done-text: var(--ui-text-muted);
  --ui-row-highlight: color-mix(in srgb, #f59e0b 22%, var(--ui-surface));
}

/* Pink (صورتی) */
html[data-theme="pink"] {
  --ui-bg: #fdf2f8;
  --ui-accent: #db2777;
  --ui-accent-hover: #be185d;
  --ui-accent-deep: #9d174d;
  --ui-accent-soft: rgba(219, 39, 119, 0.14);
  --ui-accent-shadow: rgba(219, 39, 119, 0.28);
  --ui-accent-gradient: linear-gradient(135deg, #f472b6 0%, #db2777 100%);
  --ui-accent-gradient-hover: linear-gradient(135deg, #db2777 0%, #be185d 100%);
  --ui-brand: #e11d48;
  --ui-link: #db2777;
  --ui-sidebar-bg: #831843;
}
html[data-theme="pink"][data-mode="dark"] {
  --ui-bg: #4a044e;
  --ui-surface: #701a75;
  --ui-surface-muted: #86198f;
  --ui-text: #fce7f3;
  --ui-text-muted: #f9a8d4;
  --ui-border: #86198f;
  --ui-border-strong: #a21caf;
  --ui-table-head: #701a75;
  --ui-sidebar-bg: #3b0764;
  --ui-row-pending: color-mix(in srgb, #f59e0b 18%, var(--ui-surface));
  --ui-row-pending-hover: color-mix(in srgb, #f59e0b 28%, var(--ui-surface));
  --ui-row-done: color-mix(in srgb, var(--ui-text-muted) 22%, var(--ui-surface));
  --ui-row-done-hover: color-mix(in srgb, var(--ui-text-muted) 32%, var(--ui-surface));
  --ui-row-done-text: var(--ui-text-muted);
  --ui-row-highlight: color-mix(in srgb, #f59e0b 22%, var(--ui-surface));
}

/* Spring (بهاری) */
html[data-theme="spring"] {
  --ui-bg: #f7fee7;
  --ui-accent: #65a30d;
  --ui-accent-hover: #4d7c0f;
  --ui-accent-deep: #3f6212;
  --ui-accent-soft: rgba(101, 163, 13, 0.14);
  --ui-accent-shadow: rgba(101, 163, 13, 0.28);
  --ui-accent-gradient: linear-gradient(135deg, #a3e635 0%, #65a30d 100%);
  --ui-accent-gradient-hover: linear-gradient(135deg, #65a30d 0%, #4d7c0f 100%);
  --ui-brand: #16a34a;
  --ui-link: #4d7c0f;
  --ui-sidebar-bg: #365314;
}
html[data-theme="spring"][data-mode="dark"] {
  --ui-bg: #1a2e05;
  --ui-surface: #365314;
  --ui-surface-muted: #3f6212;
  --ui-text: #ecfccb;
  --ui-text-muted: #bef264;
  --ui-border: #3f6212;
  --ui-border-strong: #4d7c0f;
  --ui-table-head: #365314;
  --ui-sidebar-bg: #14532d;
  --ui-row-pending: color-mix(in srgb, #f59e0b 18%, var(--ui-surface));
  --ui-row-pending-hover: color-mix(in srgb, #f59e0b 28%, var(--ui-surface));
  --ui-row-done: color-mix(in srgb, var(--ui-text-muted) 22%, var(--ui-surface));
  --ui-row-done-hover: color-mix(in srgb, var(--ui-text-muted) 32%, var(--ui-surface));
  --ui-row-done-text: var(--ui-text-muted);
  --ui-row-highlight: color-mix(in srgb, #f59e0b 22%, var(--ui-surface));
}

/* Dark overlay on site background image */
html[data-mode="dark"] body.has-site-bg::before {
  content: "";
  position: fixed;
  inset: 0;
  background: rgba(0, 0, 0, 0.55);
  pointer-events: none;
  z-index: -1;
}

/* Theme picker modal */
.ui-theme-modal-overlay {
  position: fixed;
  inset: 0;
  background: var(--ui-overlay);
  z-index: 10050;
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 16px;
}
.ui-theme-modal {
  background: var(--ui-surface);
  color: var(--ui-text);
  border-radius: 12px;
  width: min(560px, 100%);
  max-height: 90vh;
  overflow-y: auto;
  box-shadow: 0 20px 50px rgba(0, 0, 0, 0.2);
  border: 1px solid var(--ui-border);
}
.ui-theme-modal-head {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 16px 18px;
  border-bottom: 1px solid var(--ui-border);
}
.ui-theme-modal-head h3 {
  margin: 0;
  font-size: 1.05rem;
}
.ui-theme-modal-close {
  border: none;
  background: transparent;
  color: var(--ui-text-muted);
  font-size: 1.5rem;
  cursor: pointer;
  line-height: 1;
}
.ui-theme-modal-body {
  padding: 16px 18px 18px;
  display: flex;
  flex-direction: column;
  gap: 18px;
}
.ui-theme-section label.ui-theme-section-label {
  display: block;
  font-weight: 600;
  margin-bottom: 8px;
  font-size: 0.92rem;
}
.ui-theme-mode-toggle {
  display: inline-flex;
  border: 1px solid var(--ui-border);
  border-radius: 8px;
  overflow: hidden;
}
.ui-theme-mode-toggle button {
  border: none;
  background: transparent;
  color: var(--ui-text);
  padding: 8px 16px;
  cursor: pointer;
  font-family: inherit;
  font-size: 0.9rem;
}
.ui-theme-mode-toggle button.is-active {
  background: var(--ui-accent);
  color: #fff;
}
.ui-theme-palette-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 10px;
}
@media (max-width: 520px) {
  .ui-theme-palette-grid {
    grid-template-columns: repeat(2, 1fr);
  }
}
.ui-theme-palette-card {
  border: 2px solid var(--ui-border);
  border-radius: 10px;
  padding: 10px;
  cursor: pointer;
  background: var(--ui-surface-muted);
  text-align: right;
  font-family: inherit;
  color: var(--ui-text);
}
.ui-theme-palette-card.is-active {
  border-color: var(--ui-accent);
  box-shadow: 0 0 0 1px var(--ui-accent);
}
.ui-theme-palette-swatch {
  display: flex;
  gap: 4px;
  margin-bottom: 6px;
}
.ui-theme-palette-swatch span {
  flex: 1;
  height: 22px;
  border-radius: 4px;
}
.ui-theme-palette-name {
  font-size: 0.85rem;
  font-weight: 600;
}
.ui-theme-font-row {
  display: flex;
  gap: 8px;
  flex-wrap: wrap;
}
.ui-theme-font-row label {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  padding: 8px 12px;
  border: 1px solid var(--ui-border);
  border-radius: 8px;
  cursor: pointer;
  font-size: 0.88rem;
}
.ui-theme-font-row input { accent-color: var(--ui-accent); }
.ui-theme-linked-row label {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  cursor: pointer;
  font-size: 0.88rem;
}
.ui-theme-linked-row input { accent-color: var(--ui-accent); }
.ui-theme-modal-actions {
  display: flex;
  gap: 8px;
  justify-content: flex-end;
  flex-wrap: wrap;
  padding-top: 4px;
}
.ui-theme-modal-actions .btn-reset {
  margin-left: auto;
  margin-right: 0;
  background: transparent;
  border: 1px solid var(--ui-border);
  color: var(--ui-text-muted);
  padding: 8px 12px;
  border-radius: 6px;
  cursor: pointer;
  font-family: inherit;
}
.ui-theme-modal-actions .btn-apply {
  background: var(--ui-accent-gradient);
  color: #fff;
  border: none;
  padding: 8px 16px;
  border-radius: 6px;
  cursor: pointer;
  font-family: inherit;
}