/* ───────────────────────────────────────────────────────────
   StarterPack Dark Theme
   ─────────────────────────────────────────────────────────── */

@import url('https://fonts.googleapis.com/css2?family=Inter:wght@300;400;500;600;700&display=swap');

/* ── CSS Variables (Dark Theme) ───────────────────────────── */
:root {
  --bg-primary: #0f172a;      /* slate-950 */
  --bg-secondary: #1e293b;    /* slate-800 */
  --bg-tertiary: #334155;     /* slate-700 */
  --bg-sidebar: #020617;      /* darker sidebar */
  --text-primary: #f1f5f9;    /* slate-100 */
  --text-secondary: #94a3b8;  /* slate-400 */
  --text-muted: #64748b;      /* slate-500 */
  --accent: #3b82f6;          /* blue-500 */
  --accent-hover: #2563eb;    /* blue-600 */
  --accent-light: rgba(59, 130, 246, 0.1);
  --success: #22c55e;
  --danger: #ef4444;
  --warning: #f59e0b;
  --border: #334155;          /* slate-700 */
  --shadow: rgba(0, 0, 0, 0.3);
}

/* ── Base Reset ───────────────────────────────────────────── */
* {
  margin: 0;
  padding: 0;
  box-sizing: border-box;
}

body {
  font-family: 'Inter', -apple-system, BlinkMacSystemFont, sans-serif;
  background-color: var(--bg-primary);
  color: var(--text-primary);
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
}

/* ── Layout ───────────────────────────────────────────────── */
.page {
  display: flex;
  min-height: 100vh;
}

.sidebar {
  width: 260px;
  background-color: var(--bg-sidebar);
  border-right: 1px solid var(--border);
  display: flex;
  flex-direction: column;
  position: fixed;
  top: 0;
  left: 0;
  bottom: 0;
  z-index: 100;
  transition: transform 0.2s ease;
}

.main-content {
  flex: 1;
  margin-left: 260px;
  display: flex;
  flex-direction: column;
  min-height: 100vh;
}

/* ── Top Header Bar ───────────────────────────────────────── */
.top-bar {
  height: 64px;
  background-color: var(--bg-secondary);
  border-bottom: 1px solid var(--border);
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 0 24px;
  position: sticky;
  top: 0;
  z-index: 50;
}

.top-bar-left {
  display: flex;
  align-items: center;
  gap: 16px;
}

.top-bar-right {
  display: flex;
  align-items: center;
  gap: 16px;
}

/* ── Sidebar ──────────────────────────────────────────────── */
.sidebar-brand {
  height: 64px;
  display: flex;
  align-items: center;
  padding: 0 20px;
  border-bottom: 1px solid var(--border);
  font-weight: 700;
  font-size: 1.1rem;
  color: var(--text-primary);
}

.sidebar-brand .brand-icon {
  width: 32px;
  height: 32px;
  background: linear-gradient(135deg, var(--accent), #8b5cf6);
  border-radius: 8px;
  display: flex;
  align-items: center;
  justify-content: center;
  margin-right: 12px;
  font-size: 16px;
}

.sidebar-nav {
  flex: 1;
  padding: 16px 12px;
  overflow-y: auto;
}

.sidebar-section-label {
  font-size: 0.7rem;
  text-transform: uppercase;
  letter-spacing: 0.05em;
  color: var(--text-muted);
  padding: 8px 12px 4px;
  font-weight: 600;
}

.sidebar-link {
  display: flex;
  align-items: center;
  gap: 12px;
  padding: 10px 12px;
  color: var(--text-secondary);
  text-decoration: none;
  border-radius: 8px;
  font-size: 0.9rem;
  font-weight: 500;
  transition: all 0.15s ease;
  cursor: pointer;
}

.sidebar-link:hover {
  background-color: rgba(255, 255, 255, 0.05);
  color: var(--text-primary);
}

.sidebar-link.active {
  background-color: var(--accent-light);
  color: var(--accent);
}

.sidebar-link .icon {
  width: 20px;
  height: 20px;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 16px;
}

.sidebar-footer {
  padding: 16px 12px;
  border-top: 1px solid var(--border);
}

/* ── Content Area ─────────────────────────────────────────── */
.content {
  flex: 1;
  padding: 32px;
}

/* ── Cards ────────────────────────────────────────────────── */
.card {
  background-color: var(--bg-secondary);
  border: 1px solid var(--border);
  border-radius: 12px;
  padding: 24px;
  margin-bottom: 24px;
}

.card-header {
  font-size: 1.1rem;
  font-weight: 600;
  margin-bottom: 16px;
}

/* ── Buttons ──────────────────────────────────────────────── */
.btn {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 10px 20px;
  border-radius: 8px;
  font-size: 0.9rem;
  font-weight: 500;
  cursor: pointer;
  border: none;
  transition: all 0.15s ease;
  text-decoration: none;
  font-family: inherit;
}

.btn-primary {
  background-color: var(--accent);
  color: white;
}

.btn-primary:hover {
  background-color: var(--accent-hover);
}

.btn-secondary {
  background-color: var(--bg-tertiary);
  color: var(--text-primary);
}

.btn-secondary:hover {
  background-color: #475569;
}

.btn-danger {
  background-color: var(--danger);
  color: white;
}

.btn-sm {
  padding: 6px 12px;
  font-size: 0.8rem;
}

/* ── Forms ────────────────────────────────────────────────── */
.form-group {
  margin-bottom: 20px;
}

.form-label {
  display: block;
  margin-bottom: 6px;
  font-size: 0.85rem;
  font-weight: 500;
  color: var(--text-secondary);
}

.form-input {
  width: 100%;
  padding: 10px 14px;
  background-color: var(--bg-primary);
  border: 1px solid var(--border);
  border-radius: 8px;
  color: var(--text-primary);
  font-size: 0.9rem;
  font-family: inherit;
  transition: border-color 0.15s ease;
}

.form-input:focus {
  outline: none;
  border-color: var(--accent);
  box-shadow: 0 0 0 3px rgba(59, 130, 246, 0.15);
}

.form-input::placeholder {
  color: var(--text-muted);
}

.form-error {
  color: var(--danger);
  font-size: 0.8rem;
  margin-top: 4px;
}

/* ── Auth Pages ───────────────────────────────────────────── */
.auth-container {
  min-height: 100vh;
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 24px;
  background: linear-gradient(135deg, var(--bg-primary) 0%, var(--bg-secondary) 100%);
}

.auth-card {
  width: 100%;
  max-width: 420px;
  background-color: var(--bg-secondary);
  border: 1px solid var(--border);
  border-radius: 16px;
  padding: 40px;
  box-shadow: 0 25px 50px var(--shadow);
}

.auth-title {
  font-size: 1.5rem;
  font-weight: 700;
  text-align: center;
  margin-bottom: 8px;
}

.auth-subtitle {
  color: var(--text-secondary);
  text-align: center;
  margin-bottom: 32px;
  font-size: 0.9rem;
}

.auth-divider {
  display: flex;
  align-items: center;
  gap: 16px;
  margin: 24px 0;
  color: var(--text-muted);
  font-size: 0.8rem;
}

.auth-divider::before,
.auth-divider::after {
  content: '';
  flex: 1;
  height: 1px;
  background-color: var(--border);
}

.auth-link {
  color: var(--accent);
  text-decoration: none;
  font-weight: 500;
}

.auth-link:hover {
  text-decoration: underline;
}

/* ── Dashboard Grid ───────────────────────────────────────── */
.dashboard-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
  gap: 24px;
  margin-bottom: 32px;
}

.stat-card {
  background-color: var(--bg-secondary);
  border: 1px solid var(--border);
  border-radius: 12px;
  padding: 24px;
}

.stat-value {
  font-size: 2rem;
  font-weight: 700;
  color: var(--accent);
}

.stat-label {
  color: var(--text-secondary);
  font-size: 0.85rem;
  margin-top: 4px;
}

/* ── Table ────────────────────────────────────────────────── */
.table-wrapper {
  overflow-x: auto;
}

.data-table {
  width: 100%;
  border-collapse: collapse;
}

.data-table th,
.data-table td {
  padding: 12px 16px;
  text-align: left;
  border-bottom: 1px solid var(--border);
}

.data-table th {
  color: var(--text-muted);
  font-size: 0.8rem;
  text-transform: uppercase;
  letter-spacing: 0.05em;
  font-weight: 600;
}

.data-table td {
  font-size: 0.9rem;
}

.data-table tr:hover td {
  background-color: rgba(255, 255, 255, 0.02);
}

/* ── Badge ────────────────────────────────────────────────── */
.badge {
  display: inline-flex;
  padding: 2px 10px;
  border-radius: 999px;
  font-size: 0.75rem;
  font-weight: 600;
}

.badge-success {
  background-color: rgba(34, 197, 94, 0.15);
  color: var(--success);
}

.badge-danger {
  background-color: rgba(239, 68, 68, 0.15);
  color: var(--danger);
}

.badge-warning {
  background-color: rgba(245, 158, 11, 0.15);
  color: var(--warning);
}

/* ── Alert ────────────────────────────────────────────────── */
.alert {
  padding: 12px 16px;
  border-radius: 8px;
  margin-bottom: 20px;
  font-size: 0.9rem;
}

.alert-success {
  background-color: rgba(34, 197, 94, 0.1);
  border: 1px solid rgba(34, 197, 94, 0.2);
  color: var(--success);
}

.alert-danger {
  background-color: rgba(239, 68, 68, 0.1);
  border: 1px solid rgba(239, 68, 68, 0.2);
  color: var(--danger);
}

.alert-info {
  background-color: rgba(59, 130, 246, 0.1);
  border: 1px solid rgba(59, 130, 246, 0.2);
  color: var(--accent);
}

/* ── User Avatar in Header ────────────────────────────────── */
.user-menu {
  display: flex;
  align-items: center;
  gap: 10px;
  padding: 6px 12px;
  border-radius: 8px;
  cursor: pointer;
  transition: background-color 0.15s ease;
}

.user-menu:hover {
  background-color: rgba(255, 255, 255, 0.05);
}

.user-avatar {
  width: 36px;
  height: 36px;
  border-radius: 50%;
  background: linear-gradient(135deg, var(--accent), #8b5cf6);
  display: flex;
  align-items: center;
  justify-content: center;
  font-weight: 600;
  font-size: 0.85rem;
  color: white;
}

.user-name {
  font-size: 0.9rem;
  font-weight: 500;
}

/* ── Responsive ───────────────────────────────────────────── */
@media (max-width: 768px) {
  .sidebar {
    transform: translateX(-100%);
  }

  .sidebar.open {
    transform: translateX(0);
  }

  .main-content {
    margin-left: 0;
  }

  .content {
    padding: 20px;
  }

  .dashboard-grid {
    grid-template-columns: 1fr;
  }
}

/* ── Blazor Error UI ──────────────────────────────────────── */
#blazor-error-ui {
  background: var(--danger);
  bottom: 0;
  box-shadow: 0 -1px 2px rgba(0, 0, 0, 0.2);
  display: none;
  align-items: center;
  justify-content: space-between;
  padding: 12px 24px;
  position: fixed;
  left: 0;
  right: 0;
  z-index: 9999;
  color: white;
  font-weight: 500;
}

#blazor-error-ui .dismiss {
  cursor: pointer;
  opacity: 0.7;
  background: none;
  border: none;
  color: white;
  font-size: 18px;
}

/* ── Scrollbar ────────────────────────────────────────────── */
::-webkit-scrollbar {
  width: 6px;
  height: 6px;
}

::-webkit-scrollbar-track {
  background: var(--bg-primary);
}

::-webkit-scrollbar-thumb {
  background: var(--bg-tertiary);
  border-radius: 3px;
}

::-webkit-scrollbar-thumb:hover {
  background: #475569;
}

/* ── Kanban Board ─────────────────────────────────────────── */
.kanban-board {
  display: flex;
  gap: 16px;
  overflow-x: auto;
  padding-bottom: 20px;
  min-height: calc(100vh - 300px);
}

.kanban-column {
  min-width: 280px;
  max-width: 320px;
  flex: 1;
  background-color: var(--bg-secondary);
  border: 1px solid var(--border);
  border-radius: 12px;
  display: flex;
  flex-direction: column;
}

.kanban-column-header {
  padding: 16px;
  border-bottom: 1px solid var(--border);
  display: flex;
  align-items: center;
  justify-content: space-between;
}

.kanban-column-header h3 {
  font-size: 0.95rem;
  font-weight: 600;
  margin: 0;
}

.kanban-count {
  background-color: var(--bg-tertiary);
  color: var(--text-secondary);
  padding: 2px 8px;
  border-radius: 999px;
  font-size: 0.75rem;
  font-weight: 600;
}

.kanban-column-body {
  flex: 1;
  padding: 12px;
  overflow-y: auto;
  min-height: 100px;
  transition: background-color 0.15s ease;
}

.kanban-column-body:hover {
  background-color: rgba(255, 255, 255, 0.02);
}

.kanban-card {
  background-color: var(--bg-primary);
  border: 1px solid var(--border);
  border-radius: 8px;
  padding: 14px;
  margin-bottom: 10px;
  cursor: pointer;
  transition: all 0.15s ease;
}

.kanban-card:hover {
  border-color: var(--accent);
  box-shadow: 0 2px 8px rgba(0, 0, 0, 0.2);
}

.kanban-card.dragging {
  opacity: 0.4;
  transform: rotate(2deg);
}

.kanban-card-header {
  display: flex;
  gap: 6px;
  margin-bottom: 8px;
}

.kanban-card-description {
  color: var(--text-secondary);
  font-size: 0.85rem;
  margin: 6px 0;
  line-height: 1.4;
}

.kanban-card-meta {
  color: var(--text-muted);
  font-size: 0.75rem;
  margin-top: 8px;
}

.kanban-empty {
  text-align: center;
  padding: 20px;
  color: var(--text-muted);
  font-size: 0.85rem;
  border: 2px dashed var(--border);
  border-radius: 8px;
}

/* ── Kanban Column Drop Highlight ─────────────────────────── */
.kanban-column-body.drag-over {
  background-color: var(--accent-light);
  border: 2px dashed var(--accent);
  border-radius: 8px;
}

/* ── Status Dropdown ───────────────────────────────────────── */
.status-dropdown {
  background-color: transparent;
  border: 1px solid var(--border);
  border-radius: 4px;
  color: var(--text-primary);
  font-size: 0.75rem;
  padding: 3px 6px;
  cursor: pointer;
  min-width: 100px;
  transition: border-color 0.15s ease;
}

.status-dropdown:hover {
  border-color: var(--accent);
}

.status-dropdown:focus {
  outline: none;
  border-color: var(--accent);
  box-shadow: 0 0 0 2px rgba(59, 130, 246, 0.2);
}

/* ── Kanban Card Assignee ──────────────────────────────────── */
.kanban-card-assignee {
  display: flex;
  align-items: center;
  gap: 8px;
}

.assignee-dropdown {
  background-color: transparent;
  border: 1px solid var(--border);
  border-radius: 4px;
  color: var(--text-primary);
  font-size: 0.75rem;
  padding: 3px 6px;
  cursor: pointer;
  min-width: 80px;
  transition: border-color 0.15s ease;
}

.assignee-dropdown:hover {
  border-color: var(--accent);
}

.assignee-dropdown:focus {
  outline: none;
  border-color: var(--accent);
  box-shadow: 0 0 0 2px rgba(59, 130, 246, 0.2);
}

.assignee-dropdown-unassigned {
  color: var(--text-muted);
  font-style: italic;
}

.kanban-assignee-badge {
  width: 28px;
  height: 28px;
  border-radius: 50%;
  background-color: var(--accent);
  color: white;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 0.7rem;
  font-weight: 600;
}

.kanban-assignee-unassigned {
  width: 28px;
  height: 28px;
  border-radius: 50%;
  background-color: var(--bg-secondary);
  border: 1px dashed var(--border);
  color: var(--text-muted);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 0.9rem;
  cursor: pointer;
  transition: all 0.15s ease;
}

.kanban-assignee-unassigned:hover {
  border-color: var(--accent);
  color: var(--accent);
  background-color: var(--accent-light);
}

/* ── Badge Color Variations ────────────────────────────────── */
.badge-primary {
  background-color: rgba(59, 130, 246, 0.15);
  color: var(--accent);
}

.badge-info {
  background-color: rgba(6, 182, 212, 0.15);
  color: #06b6d4;
}