/**
 * Reusable Components: Cards, Buttons, Badges, Modals, Forms, Tables, Timelines, Dials
 */

/* Buttons */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: var(--space-2);
  padding: 0.45rem 0.95rem;
  font-size: 0.84rem;
  font-weight: 600;
  border-radius: var(--radius-md);
  border: 1px solid transparent;
  cursor: pointer;
  transition: all 0.15s ease;
  text-decoration: none;
  line-height: 1.2;
}

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

.btn-primary {
  background: var(--brand-500);
  color: #ffffff;
}

.btn-primary:hover:not(:disabled) {
  background: var(--brand-600);
  box-shadow: 0 0 12px var(--brand-glow);
}

.btn-secondary {
  background: var(--bg-surface-elevated);
  border-color: var(--border-medium);
  color: var(--text-primary);
}

.btn-secondary:hover:not(:disabled) {
  background: var(--bg-surface-hover);
  border-color: var(--border-strong);
}

.btn-success {
  background: var(--emerald-500);
  color: #ffffff;
}

.btn-success:hover:not(:disabled) {
  background: #059669;
}

.btn-danger {
  background: var(--rose-500);
  color: #ffffff;
}

.btn-danger:hover:not(:disabled) {
  background: #dc2626;
}

.btn-warning {
  background: var(--amber-500);
  color: #0b0f17;
}

.btn-warning:hover:not(:disabled) {
  background: #d97706;
}

.btn-sm {
  padding: 0.3rem 0.65rem;
  font-size: 0.75rem;
}

.btn-icon {
  padding: 0.45rem;
  border-radius: var(--radius-md);
}

/* Cards & Surface Panels */
.card {
  background: var(--bg-surface);
  border: 1px solid var(--border-subtle);
  border-radius: var(--radius-lg);
  padding: var(--space-5);
  box-shadow: var(--shadow-sm);
  transition: border-color 0.15s ease, box-shadow 0.15s ease;
}

.card:hover {
  border-color: var(--border-medium);
}

.card-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-bottom: var(--space-4);
}

.card-title {
  font-size: 1rem;
  font-weight: 700;
  color: var(--text-primary);
  display: flex;
  align-items: center;
  gap: var(--space-2);
}

.card-subtitle {
  font-size: 0.8rem;
  color: var(--text-muted);
  margin-top: 2px;
}

/* Metric / Stat Tiles */
.stat-tile {
  background: var(--bg-surface);
  border: 1px solid var(--border-subtle);
  border-radius: var(--radius-lg);
  padding: var(--space-5);
  display: flex;
  flex-direction: column;
  gap: var(--space-2);
  position: relative;
  overflow: hidden;
}

.stat-tile::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: 3px;
  background: var(--border-medium);
}

.stat-tile.primary::before { background: var(--brand-500); }
.stat-tile.success::before { background: var(--emerald-500); }
.stat-tile.warning::before { background: var(--amber-500); }
.stat-tile.danger::before { background: var(--rose-500); }

.stat-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
}

.stat-label {
  font-size: 0.75rem;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.05em;
  color: var(--text-muted);
}

.stat-icon {
  width: 28px;
  height: 28px;
  border-radius: var(--radius-md);
  background: var(--bg-surface-elevated);
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--text-secondary);
}

.stat-value {
  font-size: 1.85rem;
  font-weight: 800;
  letter-spacing: -0.03em;
  color: var(--text-primary);
  line-height: 1.1;
}

.stat-footer {
  font-size: 0.78rem;
  color: var(--text-secondary);
  display: flex;
  align-items: center;
  gap: var(--space-1);
}

/* Badges & Pills */
.badge {
  display: inline-flex;
  align-items: center;
  gap: 4px;
  padding: 3px 8px;
  border-radius: var(--radius-full);
  font-size: 0.72rem;
  font-weight: 700;
  line-height: 1;
  text-transform: uppercase;
  letter-spacing: 0.04em;
}

.badge-urgent {
  background: var(--rose-bg);
  color: var(--rose-500);
  border: 1px solid var(--rose-border);
}

.badge-high {
  background: var(--amber-bg);
  color: var(--amber-500);
  border: 1px solid var(--amber-border);
}

.badge-medium {
  background: var(--sky-bg);
  color: var(--sky-500);
  border: 1px solid var(--sky-border);
}

.badge-low {
  background: var(--bg-surface-elevated);
  color: var(--text-secondary);
  border: 1px solid var(--border-medium);
}

/* Status Badges */
.badge-status {
  padding: 3px 9px;
  border-radius: var(--radius-sm);
  font-size: 0.74rem;
  font-weight: 600;
  text-transform: none;
  letter-spacing: normal;
}

.badge-status.in-progress { background: var(--sky-bg); color: var(--sky-500); border: 1px solid var(--sky-border); }
.badge-status.review { background: var(--amber-bg); color: var(--amber-500); border: 1px solid var(--amber-border); }
.badge-status.completed { background: var(--emerald-bg); color: var(--emerald-500); border: 1px solid var(--emerald-border); }
.badge-status.overdue { background: var(--rose-bg); color: var(--rose-500); border: 1px solid var(--rose-border); font-weight: 700; }
.badge-status.assigned { background: var(--bg-surface-hover); color: var(--text-primary); border: 1px solid var(--border-medium); }

/* Tables */
.table-container {
  width: 100%;
  overflow-x: auto;
  border-radius: var(--radius-lg);
  border: 1px solid var(--border-subtle);
  background: var(--bg-surface);
}

.data-table {
  width: 100%;
  border-collapse: collapse;
  text-align: left;
  font-size: 0.85rem;
}

.data-table th {
  background: var(--bg-surface-elevated);
  color: var(--text-muted);
  font-size: 0.72rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.05em;
  padding: var(--space-3) var(--space-4);
  border-bottom: 1px solid var(--border-subtle);
  white-space: nowrap;
}

.data-table td {
  padding: var(--space-3) var(--space-4);
  border-bottom: 1px solid var(--border-subtle);
  color: var(--text-primary);
  vertical-align: middle;
}

.data-table tr:last-child td {
  border-bottom: none;
}

.data-table tr:hover td {
  background: var(--bg-surface-hover);
}

/* Modals */
.modal-overlay {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  background: rgba(0, 0, 0, 0.75);
  backdrop-filter: blur(4px);
  display: flex;
  align-items: center;
  justify-content: center;
  z-index: 100;
  padding: var(--space-4);
  opacity: 0;
  pointer-events: none;
  transition: opacity 0.2s ease;
}

.modal-overlay.active {
  opacity: 1;
  pointer-events: auto;
}

.modal-content {
  background: var(--bg-surface);
  border: 1px solid var(--border-medium);
  border-radius: var(--radius-xl);
  width: 100%;
  max-width: 620px;
  max-height: 90vh;
  display: flex;
  flex-direction: column;
  box-shadow: var(--shadow-xl);
  transform: translateY(15px);
  transition: transform 0.2s ease;
}

.modal-overlay.active .modal-content {
  transform: translateY(0);
}

.modal-header {
  padding: var(--space-4) var(--space-6);
  border-bottom: 1px solid var(--border-subtle);
  display: flex;
  align-items: center;
  justify-content: space-between;
}

.modal-body {
  padding: var(--space-6);
  overflow-y: auto;
  flex: 1;
}

.modal-footer {
  padding: var(--space-4) var(--space-6);
  border-top: 1px solid var(--border-subtle);
  background: var(--bg-surface-elevated);
  display: flex;
  align-items: center;
  justify-content: flex-end;
  gap: var(--space-3);
  border-bottom-left-radius: var(--radius-xl);
  border-bottom-right-radius: var(--radius-xl);
}

/* Forms */
.form-group {
  margin-bottom: var(--space-4);
}

.form-label {
  display: block;
  font-size: 0.8rem;
  font-weight: 600;
  color: var(--text-secondary);
  margin-bottom: var(--space-2);
}

.form-control {
  width: 100%;
  background: var(--bg-app);
  border: 1px solid var(--border-medium);
  border-radius: var(--radius-md);
  padding: 0.55rem 0.85rem;
  color: var(--text-primary);
  font-size: 0.88rem;
  font-family: var(--font-sans);
  outline: none;
  transition: border-color 0.15s ease;
}

.form-control:focus {
  border-color: var(--border-focus);
}

textarea.form-control {
  resize: vertical;
  min-height: 80px;
}

.form-row {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
  gap: var(--space-4);
}

/* Toast Notifications */
.toast-container {
  position: fixed;
  bottom: 20px;
  right: 20px;
  display: flex;
  flex-direction: column;
  gap: var(--space-2);
  z-index: 150;
}

.toast {
  background: var(--bg-surface-elevated);
  border: 1px solid var(--border-medium);
  border-radius: var(--radius-lg);
  padding: var(--space-3) var(--space-4);
  color: var(--text-primary);
  font-size: 0.85rem;
  display: flex;
  align-items: center;
  gap: var(--space-3);
  box-shadow: var(--shadow-lg);
  animation: slideInRight 0.2s ease forwards;
}

.toast.success { border-left: 4px solid var(--emerald-500); }
.toast.error { border-left: 4px solid var(--rose-500); }
.toast.warning { border-left: 4px solid var(--amber-500); }
.toast.info { border-left: 4px solid var(--brand-500); }

@keyframes slideInRight {
  from { transform: translateX(100%); opacity: 0; }
  to { transform: translateX(0); opacity: 1; }
}

/* Task Timeline Component */
.timeline {
  position: relative;
  padding-left: 24px;
}

.timeline::before {
  content: '';
  position: absolute;
  top: 6px;
  bottom: 6px;
  left: 7px;
  width: 2px;
  background: var(--border-medium);
}

.timeline-item {
  position: relative;
  margin-bottom: var(--space-4);
}

.timeline-dot {
  position: absolute;
  left: -24px;
  top: 4px;
  width: 16px;
  height: 16px;
  border-radius: var(--radius-full);
  background: var(--bg-surface);
  border: 2px solid var(--brand-500);
}

.timeline-time {
  font-size: 0.72rem;
  font-weight: 600;
  color: var(--text-muted);
}

.timeline-text {
  font-size: 0.82rem;
  color: var(--text-primary);
  margin-top: 2px;
}