/* ==========================================================================
   Zephyr Boards — Board-specific styles
   Uses --z-* custom properties from Zephyr Framework for consistency.
   ========================================================================== */

/* --- Reset & Base --- */

* { box-sizing: border-box; margin: 0; }

:root {
  --board-bg: #f4f5f7;
  --card-bg: #fff;
  --card-shadow: 0 1px 3px rgba(0, 0, 0, 0.1);
  --column-bg: #ebecf0;
  --text-primary: #172b4d;
  --text-secondary: #5e6c84;
  --dot-todo: #5e6c84;
  --dot-progress: #0052cc;
  --dot-done: #36b37e;
  --priority-high: #ef5350;
  --priority-medium: #ff9800;
  --priority-low: #66bb6a;
  --chip-bg: #e8eaf6;
  --chip-hover: #c5cae9;
  --footer-color: #999;
}

/* Dark mode */
[data-theme="dark"] {
  --board-bg: #1a1a2e;
  --card-bg: #2a2a3e;
  --card-shadow: 0 1px 3px rgba(0, 0, 0, 0.4);
  --column-bg: #22223a;
  --text-primary: #e0e0e0;
  --text-secondary: #aaa;
  --dot-todo: #aaa;
  --chip-bg: #2a2a3e;
  --chip-hover: #3a3a4e;
  --footer-color: #666;
}

/* Dark mode — board-specific overrides */
[data-theme="dark"] z-select [slot="options"],
[data-theme="dark"] z-combobox [slot="listbox"] {
  border-color: #3a3a4e;
}

[data-theme="dark"] z-select [slot="trigger"],
[data-theme="dark"] z-combobox input {
  border-color: #3a3a4e;
}

[data-theme="dark"] z-select [slot="trigger"]:focus,
[data-theme="dark"] z-combobox input:focus {
  box-shadow: 0 0 0 2px rgba(0, 82, 204, 0.3);
}

body {
  font-family: system-ui, -apple-system, sans-serif;
  line-height: 1.5;
  color: var(--text-primary);
  background: var(--board-bg);
  padding: 2rem 2.5rem;
  min-height: 100vh;
  max-width: 1400px;
  margin: 0 auto;
}

/* --- Header --- */

.board-header {
  display: flex;
  align-items: flex-start;
  justify-content: space-between;
  margin-bottom: 2rem;
}

.board-header h1 {
  font-size: 1.75rem;
  font-weight: 700;
  letter-spacing: -0.02em;
}

.subtitle {
  color: var(--text-secondary);
  font-size: 0.95rem;
  margin-top: 0.25rem;
}

.settings-btn {
  background: var(--card-bg);
  border: 1px solid var(--column-bg);
  border-radius: var(--z-border-radius, 0.5rem);
  padding: 0.5rem;
  cursor: pointer;
  color: var(--text-secondary);
  display: flex;
  align-items: center;
  transition: background 0.15s;
}

.settings-btn:hover {
  background: var(--column-bg);
}

/* Dropdown menu items */
#settings-dropdown [slot="content"] {
  background: var(--card-bg);
  border: 1px solid var(--column-bg);
  border-radius: var(--z-border-radius, 0.5rem);
  padding: 0.25rem 0;
  box-shadow: 0 4px 12px rgba(0, 0, 0, 0.15);
}

#settings-dropdown [role="menuitem"] {
  display: block;
  width: 100%;
  padding: 0.5rem 1rem;
  border: none;
  background: none;
  text-align: left;
  cursor: pointer;
  font-size: 0.875rem;
  color: var(--text-primary);
  white-space: nowrap;
}

#settings-dropdown [role="menuitem"]:hover {
  background: var(--column-bg);
}

/* --- Tabs --- */

z-tabs {
  display: flex;
  flex-wrap: wrap;
  gap: 0;
}

z-tabs [role="tab"] {
  padding: 0.6rem 1.5rem;
  font-size: 0.875rem;
  font-weight: 500;
  background: var(--column-bg);
  border: none;
  color: var(--text-secondary);
  cursor: pointer;
  transition: background 0.15s, color 0.15s;
}

z-tabs [role="tab"]:first-of-type {
  border-radius: var(--z-border-radius, 0.5rem) 0 0 var(--z-border-radius, 0.5rem);
}

z-tabs [role="tab"]:nth-of-type(2) {
  border-radius: 0 var(--z-border-radius, 0.5rem) var(--z-border-radius, 0.5rem) 0;
}

z-tabs [role="tab"][data-active] {
  background: var(--text-primary);
  color: var(--board-bg);
}

z-tabs [role="tab"]:hover:not([data-active]) {
  background: var(--card-bg);
}

z-tabs [data-tab-panel] {
  width: 100%;
  padding-top: 1.25rem;
}

/* --- Select trigger & Combobox input --- */

z-select [slot="trigger"] {
  background: var(--card-bg);
  color: var(--text-primary);
  border: 1px solid var(--column-bg);
  border-radius: var(--z-border-radius, 0.5rem);
  padding: 0.5rem 1rem;
  font-size: 0.875rem;
  font-family: inherit;
  cursor: pointer;
  transition: border-color 0.15s, box-shadow 0.15s;
}

z-select [slot="trigger"]:hover {
  border-color: var(--text-secondary);
}

z-select [slot="trigger"]:focus {
  outline: none;
  border-color: var(--dot-progress);
  box-shadow: 0 0 0 2px rgba(0, 82, 204, 0.15);
}

z-combobox input {
  background: var(--card-bg);
  color: var(--text-primary);
  border: 1px solid var(--column-bg);
  border-radius: var(--z-border-radius, 0.5rem);
  padding: 0.5rem 1rem;
  font-size: 0.875rem;
  font-family: inherit;
  transition: border-color 0.15s, box-shadow 0.15s;
}

z-combobox input:hover {
  border-color: var(--text-secondary);
}

z-combobox input:focus {
  outline: none;
  border-color: var(--dot-progress);
  box-shadow: 0 0 0 2px rgba(0, 82, 204, 0.15);
}

/* --- Select & Combobox dropdown panels --- */

z-select [slot="options"],
z-combobox [slot="listbox"] {
  background: var(--card-bg);
  border: 1px solid var(--column-bg);
  border-radius: var(--z-border-radius, 0.5rem);
  padding: 0.25rem 0;
  box-shadow: 0 4px 12px rgba(0, 0, 0, 0.15);
}

z-select [slot="options"] [data-value],
z-combobox [slot="listbox"] [role="option"] {
  padding: 0.5rem 1rem;
  font-size: 0.875rem;
  color: var(--text-primary);
}

z-select [slot="options"] [data-value]:hover,
z-combobox [slot="listbox"] [role="option"]:hover {
  background: var(--column-bg);
}

/* --- Filter Row --- */

/* --- Filter Row --- */

.filter-row {
  display: flex;
  gap: 0.75rem;
  margin-bottom: 1.25rem;
}

.filter-row z-select,
.filter-row z-combobox {
  min-width: 180px;
}

/* --- Board Columns --- */

.board-columns {
  display: flex;
  gap: 1.25rem;
  align-items: flex-start;
  overflow-x: auto;
  padding-bottom: 0.5rem;
}

.column {
  flex: 1;
  min-width: 280px;
}

.column-title {
  display: flex;
  align-items: center;
  gap: 0.5rem;
  font-size: 0.85rem;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.05em;
  color: var(--text-secondary);
  padding: 0.5rem 0.25rem;
}

.column-dot {
  width: 8px;
  height: 8px;
  border-radius: 50%;
  flex-shrink: 0;
}

.dot-todo { background: var(--dot-todo); }
.dot-progress { background: var(--dot-progress); }
.dot-done { background: var(--dot-done); }

.column-count {
  margin-left: auto;
  background: var(--column-bg);
  color: var(--text-secondary);
  font-size: 0.75rem;
  font-weight: 600;
  padding: 0.1rem 0.5rem;
  border-radius: 10px;
}

.column-list {
  background: var(--column-bg);
  border-radius: var(--z-border-radius, 0.5rem);
  padding: 0.5rem;
  min-height: 200px;
  display: flex;
  flex-direction: column;
  gap: 0.5rem;
}

/* --- Task Cards --- */

.task-card {
  background: var(--card-bg);
  border-radius: var(--z-border-radius, 0.5rem);
  padding: 0.75rem;
  box-shadow: var(--card-shadow);
  cursor: pointer;
  transition: box-shadow 0.15s, transform 0.15s;
  border-left: 3px solid transparent;
}

.task-card:hover {
  box-shadow: 0 2px 8px rgba(0, 0, 0, 0.15);
  transform: translateY(-1px);
}

.task-card[data-priority="high"] {
  border-left-color: var(--priority-high);
}

.task-card[data-priority="medium"] {
  border-left-color: var(--priority-medium);
}

.task-card[data-priority="low"] {
  border-left-color: var(--priority-low);
}

.task-card-title {
  font-size: 0.9rem;
  font-weight: 500;
  color: var(--text-primary);
  margin-bottom: 0.35rem;
}

.task-card-meta {
  display: flex;
  align-items: center;
  gap: 0.5rem;
  font-size: 0.75rem;
  color: var(--text-secondary);
}

.priority-badge {
  display: inline-block;
  padding: 0.1rem 0.4rem;
  border-radius: 3px;
  font-size: 0.65rem;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.03em;
}

.priority-badge[data-priority="high"] {
  background: var(--priority-high);
  color: #fff;
}

.priority-badge[data-priority="medium"] {
  background: var(--priority-medium);
  color: #fff;
}

.priority-badge[data-priority="low"] {
  background: var(--priority-low);
  color: #fff;
}

/* Drag states — Zephyr sets these via z-sortable */
.task-card[data-dragging] {
  opacity: 0.5;
}

.column-list[data-drag-over] {
  outline: 2px dashed var(--dot-progress);
  outline-offset: -2px;
}

/* --- Empty State --- */

.empty-state {
  color: var(--text-secondary);
  font-size: 0.85rem;
  text-align: center;
  padding: 2rem 1rem;
  font-style: italic;
}

/* Hide empty state when column has task cards */
.column-list:has(.task-card) > .empty-state {
  display: none;
}

/* --- Timeline View --- */

.timeline-list {
  display: flex;
  flex-direction: column;
  gap: 0.5rem;
}

.timeline-item {
  display: flex;
  align-items: center;
  gap: 0.75rem;
  background: var(--card-bg);
  border-radius: var(--z-border-radius, 0.5rem);
  padding: 0.75rem 1rem;
  box-shadow: var(--card-shadow);
  border-left: 3px solid transparent;
}

.timeline-item[data-priority="high"] { border-left-color: var(--priority-high); }
.timeline-item[data-priority="medium"] { border-left-color: var(--priority-medium); }
.timeline-item[data-priority="low"] { border-left-color: var(--priority-low); }

.timeline-item-title {
  flex: 1;
  font-size: 0.9rem;
  font-weight: 500;
}

.timeline-item-column {
  font-size: 0.75rem;
  color: var(--text-secondary);
  padding: 0.15rem 0.5rem;
  background: var(--column-bg);
  border-radius: 3px;
}

.timeline-item-date {
  font-size: 0.8rem;
  color: var(--text-secondary);
}

/* --- Suggested Prompt Chips --- */

.prompt-chips {
  display: flex;
  align-items: center;
  flex-wrap: wrap;
  gap: 0.5rem;
  margin-top: 1.5rem;
  padding-top: 1rem;
  border-top: 1px solid var(--column-bg);
}

.chips-label {
  font-size: 0.8rem;
  color: var(--text-secondary);
  font-weight: 500;
}

.chip {
  background: var(--chip-bg);
  border: none;
  border-radius: 100px;
  padding: 0.35rem 0.85rem;
  font-size: 0.8rem;
  color: var(--text-primary);
  cursor: pointer;
  transition: background 0.15s;
  white-space: nowrap;
}

.chip:hover:not(:disabled) {
  background: var(--chip-hover);
}

.chip:disabled {
  opacity: 0.5;
  cursor: not-allowed;
}

/* --- Modal --- */

z-modal:not([data-open]) .modal-body {
  display: none;
}

.modal-body {
  padding: 1.5rem;
  max-width: 500px;
}

.modal-body h2 {
  font-size: 1.25rem;
  margin-bottom: 1rem;
}

.modal-detail-row {
  display: flex;
  gap: 0.5rem;
  margin-bottom: 0.5rem;
  font-size: 0.9rem;
}

.modal-detail-label {
  font-weight: 600;
  color: var(--text-secondary);
  min-width: 80px;
}

.modal-close {
  margin-top: 1rem;
  padding: 0.5rem 1.25rem;
  background: var(--text-primary);
  color: var(--card-bg);
  border: none;
  border-radius: var(--z-border-radius, 0.5rem);
  cursor: pointer;
  font-size: 0.875rem;
}

.modal-close:hover {
  opacity: 0.9;
}

/* --- Footer --- */

.board-footer {
  text-align: center;
  padding: 2rem 0 1rem;
  font-size: 0.8rem;
  color: var(--footer-color);
}

.board-footer a {
  color: var(--dot-progress);
  text-decoration: none;
  font-weight: 500;
}

.board-footer a:hover {
  text-decoration: underline;
}

/* --- Responsive --- */

@media (max-width: 768px) {
  body { padding: 1rem; }

  .board-header { flex-direction: column; gap: 0.5rem; }

  .board-columns {
    flex-direction: column;
  }

  .column {
    min-width: unset;
    max-width: unset;
  }

  .filter-row {
    flex-direction: column;
  }

  .prompt-chips {
    justify-content: center;
  }
}