/* OrbitDesk UI Components */

/* ==========================================================================
   Buttons
   ========================================================================== */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: var(--space-2);
  padding: 0.45rem 0.85rem;
  font-size: 0.875rem;
  font-weight: 500;
  line-height: 1.25;
  border-radius: var(--radius-md);
  border: 1px solid transparent;
  transition: all var(--transition-fast);
  white-space: nowrap;
  user-select: none;
  text-decoration: none;
}

.btn svg {
  width: 15px;
  height: 15px;
  flex-shrink: 0;
}

.btn-primary {
  background-color: var(--primary);
  color: var(--text-inverse);
  border-color: var(--primary);
  box-shadow: 0 1px 2px rgba(79, 70, 229, 0.2);
}

.btn-primary:hover {
  background-color: var(--primary-hover);
  border-color: var(--primary-hover);
  color: var(--text-inverse);
}

.btn-primary:active {
  transform: translateY(1px);
}

.btn-secondary {
  background-color: var(--bg-surface);
  color: var(--text-primary);
  border-color: var(--border-strong);
  box-shadow: var(--shadow-xs);
}

.btn-secondary:hover {
  background-color: var(--bg-subtle);
  border-color: var(--text-subtle);
}

.btn-outline {
  background-color: transparent;
  color: var(--text-secondary);
  border-color: var(--border);
}

.btn-outline:hover {
  background-color: var(--bg-hover);
  color: var(--text-primary);
}

.btn-ghost {
  background-color: transparent;
  color: var(--text-secondary);
}

.btn-ghost:hover {
  background-color: var(--bg-hover);
  color: var(--text-primary);
}

.btn-danger {
  background-color: var(--danger);
  color: var(--text-inverse);
  border-color: var(--danger);
}

.btn-danger:hover {
  background-color: #dc2626;
}

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

.btn-danger-ghost:hover {
  background-color: var(--danger-light);
}

.btn-sm {
  padding: 0.3rem 0.6rem;
  font-size: 0.8rem;
  border-radius: var(--radius-sm);
  gap: var(--space-1);
}

.btn-sm svg {
  width: 13px;
  height: 13px;
}

.btn-lg {
  padding: 0.65rem 1.25rem;
  font-size: 1rem;
}

.btn-icon {
  width: 32px;
  height: 32px;
  padding: 0;
  border-radius: var(--radius-md);
  color: var(--text-muted);
}

.btn-icon:hover {
  background-color: var(--bg-hover);
  color: var(--text-primary);
}

.btn:disabled, .btn.disabled {
  opacity: 0.5;
  cursor: not-allowed;
  pointer-events: none;
}

/* ==========================================================================
   Form Controls
   ========================================================================== */
.form-group {
  margin-bottom: var(--space-4);
  display: flex;
  flex-direction: column;
  gap: var(--space-1);
}

.form-label {
  font-size: 0.8rem;
  font-weight: 600;
  color: var(--text-secondary);
  display: flex;
  align-items: center;
  justify-content: space-between;
}

.form-input,
.form-select,
.form-textarea {
  width: 100%;
  padding: 0.5rem 0.75rem;
  font-size: 0.875rem;
  line-height: 1.4;
  color: var(--text-primary);
  background-color: var(--bg-surface);
  border: 1px solid var(--border-strong);
  border-radius: var(--radius-md);
  transition: border-color var(--transition-fast), box-shadow var(--transition-fast);
  outline: none;
}

.form-input:focus,
.form-select:focus,
.form-textarea:focus {
  border-color: var(--border-focus);
  box-shadow: 0 0 0 2px var(--primary-light);
}

.form-input::placeholder,
.form-textarea::placeholder {
  color: var(--text-subtle);
}

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

.form-hint {
  font-size: 0.75rem;
  color: var(--text-muted);
}

.form-error-msg {
  font-size: 0.75rem;
  color: var(--danger);
  display: none;
}

.form-group.has-error .form-input {
  border-color: var(--danger);
}

.form-group.has-error .form-error-msg {
  display: block;
}

/* Checkbox & Switch */
.checkbox-label {
  display: inline-flex;
  align-items: center;
  gap: var(--space-2);
  font-size: 0.85rem;
  color: var(--text-secondary);
  cursor: pointer;
  user-select: none;
}

.checkbox-custom {
  width: 16px;
  height: 16px;
  border-radius: var(--radius-xs);
  border: 1.5px solid var(--border-strong);
  display: inline-flex;
  align-items: center;
  justify-content: center;
  background-color: var(--bg-surface);
  transition: all var(--transition-fast);
}

input[type="checkbox"] {
  display: none;
}

input[type="checkbox"]:checked + .checkbox-custom {
  background-color: var(--primary);
  border-color: var(--primary);
}

input[type="checkbox"]:checked + .checkbox-custom::after {
  content: "";
  width: 4px;
  height: 8px;
  border: solid white;
  border-width: 0 2px 2px 0;
  transform: rotate(45deg) translate(-1px, -1px);
}

/* ==========================================================================
   Cards
   ========================================================================== */
.card {
  background-color: var(--bg-surface);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow-xs);
  overflow: hidden;
  transition: border-color var(--transition-fast), box-shadow var(--transition-fast);
}

.card-hover:hover {
  border-color: var(--border-strong);
  box-shadow: var(--shadow-sm);
}

.card-header {
  padding: var(--space-4) var(--space-5);
  border-bottom: 1px solid var(--border);
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: var(--space-3);
}

.card-title {
  font-size: 0.95rem;
  font-weight: 600;
  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;
}

.card-body {
  padding: var(--space-5);
}

.card-footer {
  padding: var(--space-3) var(--space-5);
  border-top: 1px solid var(--border);
  background-color: var(--bg-subtle);
  display: flex;
  align-items: center;
  justify-content: space-between;
}

/* ==========================================================================
   Badges & Pills
   ========================================================================== */
.badge {
  display: inline-flex;
  align-items: center;
  gap: 4px;
  padding: 0.15rem 0.5rem;
  font-size: 0.72rem;
  font-weight: 500;
  border-radius: var(--radius-full);
  line-height: 1.3;
  white-space: nowrap;
}

.badge-dot {
  width: 6px;
  height: 6px;
  border-radius: 50%;
  flex-shrink: 0;
}

/* Priority Badges */
.badge-priority-low {
  background-color: var(--bg-subtle);
  color: var(--priority-low);
  border: 1px solid var(--border);
}
.badge-priority-low .badge-dot { background-color: var(--priority-low); }

.badge-priority-medium {
  background-color: var(--info-light);
  color: var(--info-text);
  border: 1px solid var(--info-border);
}
.badge-priority-medium .badge-dot { background-color: var(--info); }

.badge-priority-high {
  background-color: var(--warning-light);
  color: var(--warning-text);
  border: 1px solid var(--warning-border);
}
.badge-priority-high .badge-dot { background-color: var(--warning); }

.badge-priority-urgent {
  background-color: var(--danger-light);
  color: var(--danger-text);
  border: 1px solid var(--danger-border);
}
.badge-priority-urgent .badge-dot { background-color: var(--danger); }

/* Status Badges */
.badge-status-backlog {
  background-color: var(--bg-subtle);
  color: var(--text-muted);
}
.badge-status-todo {
  background-color: var(--info-light);
  color: var(--info-text);
}
.badge-status-inprogress {
  background-color: var(--warning-light);
  color: var(--warning-text);
}
.badge-status-inreview {
  background-color: var(--purple-light);
  color: var(--purple-text);
}
.badge-status-done {
  background-color: var(--success-light);
  color: var(--success-text);
}
.badge-status-archived {
  background-color: var(--bg-hover);
  color: var(--text-subtle);
}

/* Generic Tags */
.tag {
  display: inline-flex;
  align-items: center;
  gap: 3px;
  padding: 0.1rem 0.45rem;
  font-size: 0.72rem;
  font-family: var(--font-mono);
  background-color: var(--bg-subtle);
  color: var(--text-secondary);
  border: 1px solid var(--border);
  border-radius: var(--radius-sm);
}

/* ==========================================================================
   Avatars
   ========================================================================== */
.avatar {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 28px;
  height: 28px;
  border-radius: 50%;
  background-color: var(--primary-light);
  color: var(--primary-text);
  font-size: 0.75rem;
  font-weight: 600;
  border: 1.5px solid var(--bg-surface);
  flex-shrink: 0;
  text-transform: uppercase;
}

.avatar-xs { width: 22px; height: 22px; font-size: 0.65rem; }
.avatar-sm { width: 26px; height: 26px; font-size: 0.7rem; }
.avatar-md { width: 34px; height: 34px; font-size: 0.85rem; }
.avatar-lg { width: 44px; height: 44px; font-size: 1.1rem; }

.avatar-group {
  display: inline-flex;
  align-items: center;
}

.avatar-group .avatar {
  margin-left: -6px;
  box-shadow: 0 0 0 2px var(--bg-surface);
}

.avatar-group .avatar:first-child {
  margin-left: 0;
}

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

.data-table {
  width: 100%;
  border-collapse: separate;
  border-spacing: 0;
  font-size: 0.85rem;
}

.data-table th {
  background-color: var(--bg-subtle);
  color: var(--text-muted);
  font-weight: 600;
  text-align: left;
  padding: 0.6rem 0.85rem;
  border-bottom: 1px solid var(--border);
  white-space: nowrap;
  font-size: 0.75rem;
  text-transform: uppercase;
  letter-spacing: 0.04em;
  user-select: none;
}

.data-table th.sortable {
  cursor: pointer;
}

.data-table th.sortable:hover {
  color: var(--text-primary);
  background-color: var(--bg-hover);
}

.data-table td {
  padding: 0.65rem 0.85rem;
  border-bottom: 1px solid var(--border);
  color: var(--text-secondary);
  vertical-align: middle;
  transition: background-color var(--transition-fast);
}

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

.data-table tbody tr:hover td {
  background-color: var(--bg-subtle);
  color: var(--text-primary);
}

.data-table tr.is-done td {
  opacity: 0.65;
}

.data-table tr.is-done .task-title {
  text-decoration: line-through;
}

/* ==========================================================================
   Modals
   ========================================================================== */
.modal-overlay {
  position: fixed;
  inset: 0;
  background-color: var(--bg-overlay);
  backdrop-filter: blur(2px);
  z-index: 1000;
  display: flex;
  align-items: center;
  justify-content: center;
  padding: var(--space-4);
  opacity: 0;
  visibility: hidden;
  transition: all var(--transition-normal);
}

.modal-overlay.active {
  opacity: 1;
  visibility: visible;
}

.modal-content {
  background-color: var(--bg-surface);
  border: 1px solid var(--border-strong);
  border-radius: var(--radius-xl);
  box-shadow: var(--shadow-lg);
  width: 100%;
  max-width: 560px;
  max-height: 90vh;
  display: flex;
  flex-direction: column;
  transform: translateY(12px) scale(0.98);
  transition: all var(--transition-normal);
  overflow: hidden;
}

.modal-overlay.active .modal-content {
  transform: translateY(0) scale(1);
}

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

.modal-title {
  font-size: 1.1rem;
  font-weight: 600;
}

.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);
  background-color: var(--bg-subtle);
  display: flex;
  align-items: center;
  justify-content: flex-end;
  gap: var(--space-2);
}

/* ==========================================================================
   Toasts
   ========================================================================== */
.toast-container {
  position: fixed;
  bottom: var(--space-6);
  right: var(--space-6);
  z-index: 2000;
  display: flex;
  flex-direction: column;
  gap: var(--space-2);
  pointer-events: none;
}

.toast {
  pointer-events: auto;
  display: flex;
  align-items: center;
  gap: var(--space-3);
  padding: 0.75rem 1rem;
  background-color: var(--bg-surface-elevated);
  border: 1px solid var(--border-strong);
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow-dropdown);
  color: var(--text-primary);
  font-size: 0.85rem;
  min-width: 280px;
  max-width: 420px;
  animation: toastIn 200ms ease forwards;
  transition: all var(--transition-fast);
}

.toast.toast-hiding {
  animation: toastOut 200ms ease forwards;
}

.toast-icon {
  width: 18px;
  height: 18px;
  flex-shrink: 0;
}

.toast-success .toast-icon { color: var(--success); }
.toast-error .toast-icon { color: var(--danger); }
.toast-info .toast-icon { color: var(--info); }
.toast-warning .toast-icon { color: var(--warning); }

@keyframes toastIn {
  from { opacity: 0; transform: translateY(10px) scale(0.96); }
  to { opacity: 1; transform: translateY(0) scale(1); }
}

@keyframes toastOut {
  from { opacity: 1; transform: translateY(0) scale(1); }
  to { opacity: 0; transform: translateY(8px) scale(0.96); }
}

/* ==========================================================================
   Command Palette (Ctrl + K)
   ========================================================================== */
.cmd-dialog {
  background-color: var(--bg-surface);
  border: 1px solid var(--border-strong);
  border-radius: var(--radius-xl);
  box-shadow: var(--shadow-dropdown);
  width: 100%;
  max-width: 600px;
  overflow: hidden;
  display: flex;
  flex-direction: column;
  max-height: 80vh;
}

.cmd-search-wrapper {
  display: flex;
  align-items: center;
  padding: var(--space-3) var(--space-4);
  border-bottom: 1px solid var(--border);
  gap: var(--space-3);
}

.cmd-search-input {
  flex: 1;
  background: transparent;
  border: none;
  font-size: 1rem;
  color: var(--text-primary);
  outline: none;
}

.cmd-results {
  padding: var(--space-2);
  overflow-y: auto;
  max-height: 380px;
}

.cmd-group-title {
  font-size: 0.7rem;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.05em;
  color: var(--text-muted);
  padding: var(--space-2) var(--space-3);
}

.cmd-item {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 0.55rem 0.75rem;
  border-radius: var(--radius-md);
  cursor: pointer;
  color: var(--text-secondary);
  font-size: 0.85rem;
  transition: all var(--transition-fast);
}

.cmd-item:hover, .cmd-item.selected {
  background-color: var(--bg-hover);
  color: var(--text-primary);
}

.cmd-item-left {
  display: flex;
  align-items: center;
  gap: var(--space-3);
}

.cmd-item-icon {
  width: 16px;
  height: 16px;
  color: var(--text-muted);
}

.cmd-footer {
  padding: var(--space-2) var(--space-4);
  border-top: 1px solid var(--border);
  background-color: var(--bg-subtle);
  display: flex;
  align-items: center;
  justify-content: space-between;
  font-size: 0.75rem;
  color: var(--text-muted);
}

/* ==========================================================================
   Progress Bar
   ========================================================================== */
.progress-bar-container {
  width: 100%;
  display: flex;
  flex-direction: column;
  gap: 4px;
}

.progress-track {
  width: 100%;
  height: 6px;
  background-color: var(--bg-hover);
  border-radius: var(--radius-full);
  overflow: hidden;
}

.progress-fill {
  height: 100%;
  background-color: var(--primary);
  border-radius: var(--radius-full);
  transition: width 300ms ease;
}

.progress-fill.success { background-color: var(--success); }
.progress-fill.warning { background-color: var(--warning); }
.progress-fill.danger { background-color: var(--danger); }

/* ==========================================================================
   Empty State
   ========================================================================== */
.empty-state {
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  text-align: center;
  padding: var(--space-10) var(--space-4);
  color: var(--text-muted);
}

.empty-state-icon {
  width: 44px;
  height: 44px;
  color: var(--text-subtle);
  margin-bottom: var(--space-3);
}

.empty-state-title {
  font-size: 1rem;
  font-weight: 600;
  color: var(--text-primary);
  margin-bottom: var(--space-1);
}

.empty-state-desc {
  font-size: 0.85rem;
  max-width: 360px;
  margin-bottom: var(--space-4);
}