/* ============================================================
   MetaDesk — Components
   Buttons, cards, inputs, badges, tables, modals, toasts.
   ============================================================ */

/* === BUTTONS === */

.btn {
  display: inline-flex;
  align-items: center;
  gap: var(--space-2);
  font-family: var(--font-display);
  font-size: 0.875rem;
  font-weight: 500;
  line-height: 1;
  padding: 8px 16px;
  border-radius: var(--radius-md);
  border: 1px solid transparent;
  cursor: pointer;
  transition: all var(--transition);
  text-decoration: none;
  white-space: nowrap;
  user-select: none;
}

.btn:disabled, .btn.loading {
  opacity: 0.55;
  cursor: not-allowed;
  pointer-events: none;
}

/* Primary */
.btn-primary {
  background-color: var(--color-accent);
  color: #FFFFFF;
  border-color: var(--color-accent);
}
.btn-primary:hover {
  background-color: var(--color-accent-text);
  border-color: var(--color-accent-text);
  color: #FFFFFF;
}

/* Secondary */
.btn-secondary {
  background-color: var(--color-surface);
  color: var(--color-text-primary);
  border-color: var(--color-border-strong);
}
.btn-secondary:hover {
  background-color: var(--color-surface-2);
}

/* Danger */
.btn-danger {
  background-color: var(--color-danger-bg);
  color: var(--color-danger);
  border-color: #FECACA;
}
.btn-danger:hover {
  background-color: var(--color-danger);
  color: #FFFFFF;
}

/* Ghost */
.btn-ghost {
  background-color: transparent;
  color: var(--color-text-secondary);
  border-color: transparent;
}
.btn-ghost:hover {
  background-color: var(--color-surface-2);
  color: var(--color-text-primary);
}

/* Sizes */
.btn-sm { font-size: 0.8125rem; padding: 5px 12px; }
.btn-lg { font-size: 1rem; padding: 12px 24px; }
.btn-icon { padding: 8px; gap: 0; }

/* Loading spinner */
.btn.loading::after {
  content: '';
  width: 14px;
  height: 14px;
  border: 2px solid currentColor;
  border-top-color: transparent;
  border-radius: 50%;
  animation: spin 0.6s linear infinite;
}
@keyframes spin { to { transform: rotate(360deg); } }


/* === CARDS === */

.card {
  background: var(--color-surface);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-lg);
  padding: var(--space-5) var(--space-6);
  transition: transform var(--transition), box-shadow var(--transition);
}

.card:hover {
  transform: translateY(-1px);
  box-shadow: var(--shadow-md);
}

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

.card-title {
  font-family: var(--font-display);
  font-size: 0.875rem;
  font-weight: 500;
  color: var(--color-text-secondary);
  text-transform: uppercase;
  letter-spacing: 0.5px;
}

.card-value {
  font-family: var(--font-mono);
  font-size: 1.75rem;
  font-weight: 400;
  color: var(--color-text-primary);
  line-height: 1;
}

.card-subvalue {
  font-size: 0.75rem;
  color: var(--color-text-tertiary);
  margin-top: var(--space-1);
}

/* Stat card variant */
.stat-card {
  display: flex;
  flex-direction: column;
  gap: var(--space-2);
}

.stat-card .stat-icon {
  width: 36px;
  height: 36px;
  border-radius: var(--radius-md);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1rem;
  margin-bottom: var(--space-1);
}

.stat-card .stat-icon.blue   { background: var(--color-accent-light); }
.stat-card .stat-icon.green  { background: var(--color-success-bg); }
.stat-card .stat-icon.yellow { background: var(--color-warning-bg); }
.stat-card .stat-icon.red    { background: var(--color-danger-bg); }


/* === INPUTS === */

.input, .select, .textarea {
  display: block;
  width: 100%;
  height: 36px;
  padding: 0 12px;
  font-family: var(--font-body);
  font-size: 0.875rem;
  color: var(--color-text-primary);
  background-color: var(--color-surface);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-md);
  outline: none;
  transition: border-color var(--transition), box-shadow var(--transition);
  appearance: none;
}

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

.input:focus, .select:focus, .textarea:focus {
  border-color: var(--color-accent);
  box-shadow: 0 0 0 2px rgba(27, 79, 216, 0.12);
}

.input:disabled, .select:disabled, .textarea:disabled {
  background-color: var(--color-surface-2);
  color: var(--color-text-tertiary);
  cursor: not-allowed;
}

.textarea {
  height: auto;
  min-height: 80px;
  padding: 8px 12px;
  resize: vertical;
  line-height: 1.5;
}

.select {
  background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='12' height='12' viewBox='0 0 24 24' fill='none' stroke='%236B6860' stroke-width='2' stroke-linecap='round' stroke-linejoin='round'%3E%3Cpath d='m6 9 6 6 6-6'/%3E%3C/svg%3E");
  background-repeat: no-repeat;
  background-position: right 10px center;
  padding-right: 32px;
  cursor: pointer;
}

/* Input group */
.input-group {
  display: flex;
  gap: var(--space-2);
  align-items: center;
}

.input-group .input { flex: 1; }

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

.form-field label {
  font-size: 0.75rem;
  font-weight: 500;
  color: var(--color-text-secondary);
}

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

.form-field .error-msg {
  font-size: 0.75rem;
  color: var(--color-danger);
}


/* === BADGES === */

.badge {
  display: inline-flex;
  align-items: center;
  gap: 4px;
  font-family: var(--font-body);
  font-size: 0.6875rem;  /* 11px */
  font-weight: 500;
  padding: 3px 10px;
  border-radius: 20px;
  line-height: 1;
  white-space: nowrap;
}

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

.badge-success  { background: var(--color-success-bg);  color: var(--color-success); }
.badge-warning  { background: var(--color-warning-bg);  color: var(--color-warning); }
.badge-danger   { background: var(--color-danger-bg);   color: var(--color-danger); }
.badge-accent   { background: var(--color-accent-light); color: var(--color-accent-text); }
.badge-neutral  { background: var(--color-surface-2);   color: var(--color-text-secondary); }
.badge-orange   { background: #FFF7ED; color: #C2410C; }


/* === TABLES === */

.table-wrapper {
  overflow-x: auto;
  border-radius: var(--radius-lg);
  border: 1px solid var(--color-border);
}

table.data-table {
  width: 100%;
  border-collapse: collapse;
  font-size: 0.875rem;
}

table.data-table thead th {
  background-color: var(--color-surface-2);
  font-family: var(--font-display);
  font-size: 0.75rem;
  font-weight: 500;
  color: var(--color-text-secondary);
  text-align: left;
  padding: 10px 16px;
  white-space: nowrap;
  border-bottom: 1px solid var(--color-border);
}

table.data-table thead th:first-child { border-radius: var(--radius-lg) 0 0 0; }
table.data-table thead th:last-child  { border-radius: 0 var(--radius-lg) 0 0; }

table.data-table tbody tr {
  border-bottom: 1px solid var(--color-border);
  transition: background-color var(--transition);
}

table.data-table tbody tr:last-child { border-bottom: none; }
table.data-table tbody tr:hover { background-color: var(--color-surface-2); }

table.data-table tbody td {
  padding: 12px 16px;
  color: var(--color-text-primary);
  vertical-align: middle;
}

table.data-table tbody td.mono {
  font-family: var(--font-mono);
  font-size: 0.8125rem;
}

table.data-table .actions {
  display: flex;
  gap: var(--space-2);
  align-items: center;
}

/* Empty state */
.table-empty {
  text-align: center;
  padding: var(--space-12) var(--space-8);
  color: var(--color-text-tertiary);
}

.table-empty .empty-icon {
  font-size: 2rem;
  margin-bottom: var(--space-3);
  opacity: 0.5;
}

.table-empty p {
  font-size: 0.875rem;
  color: var(--color-text-secondary);
}


/* === TOGGLE SWITCH === */

.toggle-wrap {
  display: flex;
  align-items: center;
  gap: var(--space-2);
  cursor: pointer;
}

.toggle {
  position: relative;
  width: 36px;
  height: 20px;
  flex-shrink: 0;
}

.toggle input {
  opacity: 0;
  width: 0;
  height: 0;
  position: absolute;
}

.toggle-track {
  position: absolute;
  inset: 0;
  background-color: var(--color-border-strong);
  border-radius: 10px;
  transition: background-color var(--transition);
  cursor: pointer;
}

.toggle input:checked + .toggle-track {
  background-color: var(--color-accent);
}

.toggle-track::before {
  content: '';
  position: absolute;
  width: 14px;
  height: 14px;
  left: 3px;
  top: 3px;
  background-color: white;
  border-radius: 50%;
  transition: transform var(--transition);
  box-shadow: 0 1px 3px rgba(0,0,0,0.15);
}

.toggle input:checked + .toggle-track::before {
  transform: translateX(16px);
}

.toggle-label {
  font-size: 0.875rem;
  color: var(--color-text-primary);
  user-select: none;
}


/* === MODALS === */

.modal-overlay {
  position: fixed;
  inset: 0;
  background: rgba(26, 25, 22, 0.5);
  z-index: 100;
  display: flex;
  align-items: center;
  justify-content: center;
  padding: var(--space-6);
  opacity: 0;
  visibility: hidden;
  transition: opacity var(--transition), visibility var(--transition);
  backdrop-filter: blur(2px);
}

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

.modal {
  background: var(--color-surface);
  border-radius: var(--radius-xl);
  border: 1px solid var(--color-border);
  width: 100%;
  max-width: 520px;
  max-height: 90vh;
  overflow-y: auto;
  box-shadow: 0 20px 60px rgba(0,0,0,0.12);
  transform: translateY(8px);
  transition: transform var(--transition);
}

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

.modal-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: var(--space-5) var(--space-6);
  border-bottom: 1px solid var(--color-border);
}

.modal-title {
  font-family: var(--font-display);
  font-size: 1rem;
  font-weight: 500;
}

.modal-close {
  width: 28px;
  height: 28px;
  border-radius: var(--radius-sm);
  border: none;
  background: transparent;
  color: var(--color-text-tertiary);
  cursor: pointer;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.125rem;
  transition: background-color var(--transition), color var(--transition);
}

.modal-close:hover {
  background: var(--color-surface-2);
  color: var(--color-text-primary);
}

.modal-body { padding: var(--space-6); }

.modal-footer {
  display: flex;
  align-items: center;
  justify-content: flex-end;
  gap: var(--space-2);
  padding: var(--space-4) var(--space-6);
  border-top: 1px solid var(--color-border);
  background: var(--color-surface-2);
  border-radius: 0 0 var(--radius-xl) var(--radius-xl);
}


/* === TOAST NOTIFICATIONS === */

#toast-container {
  position: fixed;
  top: var(--space-4);
  right: var(--space-4);
  z-index: 999;
  display: flex;
  flex-direction: column;
  gap: var(--space-2);
  max-width: 360px;
}

.toast {
  display: flex;
  align-items: flex-start;
  gap: var(--space-3);
  background: var(--color-surface);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-md);
  padding: var(--space-3) var(--space-4);
  box-shadow: var(--shadow-md);
  font-size: 0.875rem;
  animation: slideInRight 200ms ease-out;
  transition: opacity var(--transition), transform var(--transition);
}

.toast.removing {
  opacity: 0;
  transform: translateX(100%);
}

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

.toast-icon { font-size: 1rem; flex-shrink: 0; margin-top: 1px; }
.toast-text { flex: 1; color: var(--color-text-primary); line-height: 1.4; }
.toast-dismiss {
  flex-shrink: 0;
  background: none;
  border: none;
  color: var(--color-text-tertiary);
  cursor: pointer;
  font-size: 1rem;
  line-height: 1;
  padding: 0;
  transition: color var(--transition);
}
.toast-dismiss:hover { color: var(--color-text-primary); }

.toast-success { border-left: 3px solid var(--color-success); }
.toast-error   { border-left: 3px solid var(--color-danger); }
.toast-warning { border-left: 3px solid var(--color-warning); }
.toast-info    { border-left: 3px solid var(--color-accent); }


/* === SKELETON LOADERS === */

.skeleton {
  background: linear-gradient(
    90deg,
    var(--color-surface-2) 25%,
    var(--color-border) 50%,
    var(--color-surface-2) 75%
  );
  background-size: 200% 100%;
  animation: shimmer 1.4s infinite;
  border-radius: var(--radius-sm);
}

@keyframes shimmer {
  0%   { background-position: 200% 0; }
  100% { background-position: -200% 0; }
}

.skeleton-text { height: 14px; width: 100%; margin-bottom: 8px; }
.skeleton-text.short { width: 60%; }
.skeleton-value { height: 32px; width: 80px; }
.skeleton-badge { height: 20px; width: 60px; border-radius: 20px; }


/* === SECTION HEADER === */

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

.section-title {
  font-family: var(--font-display);
  font-size: 1rem;
  font-weight: 500;
  color: var(--color-text-primary);
}

.section-subtitle {
  font-size: 0.75rem;
  color: var(--color-text-tertiary);
  margin-top: 2px;
}


/* === TABS === */

.tabs-nav {
  display: flex;
  gap: 0;
  border-bottom: 1px solid var(--color-border);
  margin-bottom: var(--space-6);
}

.tab-btn {
  font-family: var(--font-display);
  font-size: 0.875rem;
  font-weight: 500;
  color: var(--color-text-secondary);
  padding: var(--space-3) var(--space-5);
  border: none;
  background: none;
  cursor: pointer;
  border-bottom: 2px solid transparent;
  margin-bottom: -1px;
  transition: color var(--transition), border-color var(--transition);
  white-space: nowrap;
}

.tab-btn:hover { color: var(--color-text-primary); }
.tab-btn.active {
  color: var(--color-accent);
  border-bottom-color: var(--color-accent);
}

.tab-panel { display: none; }
.tab-panel.active { display: block; }


/* === AVATAR === */

.avatar {
  width: 32px;
  height: 32px;
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  font-family: var(--font-display);
  font-size: 0.75rem;
  font-weight: 500;
  color: white;
  flex-shrink: 0;
  text-transform: uppercase;
}


/* === INLINE ALERTS (page-level messages) === */

.alert {
  display: flex;
  align-items: flex-start;
  gap: var(--space-3);
  padding: var(--space-3) var(--space-4);
  border-radius: var(--radius-md);
  font-size: 0.875rem;
  margin-bottom: var(--space-4);
}

.alert-success { background: var(--color-success-bg); color: var(--color-success); border: 1px solid #BBF7D0; }
.alert-warning { background: var(--color-warning-bg); color: var(--color-warning); border: 1px solid #FDE68A; }
.alert-danger  { background: var(--color-danger-bg);  color: var(--color-danger);  border: 1px solid #FECACA; }
.alert-info    { background: var(--color-accent-light); color: var(--color-accent-text); border: 1px solid #BFDBFE; }


/* === EMPTY STATE (full-page) === */

.empty-state {
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  text-align: center;
  padding: var(--space-12) var(--space-8);
  min-height: 300px;
}

.empty-state .empty-icon-lg {
  font-size: 3rem;
  margin-bottom: var(--space-4);
  opacity: 0.4;
}

.empty-state h3 {
  font-family: var(--font-display);
  font-size: 1rem;
  font-weight: 500;
  color: var(--color-text-secondary);
  margin-bottom: var(--space-2);
}

.empty-state p {
  font-size: 0.875rem;
  color: var(--color-text-tertiary);
  max-width: 320px;
  margin-bottom: var(--space-5);
}


/* === PAGINATION === */

.pagination {
  display: flex;
  align-items: center;
  gap: var(--space-1);
  margin-top: var(--space-4);
}

.page-btn {
  min-width: 32px;
  height: 32px;
  padding: 0 var(--space-2);
  border-radius: var(--radius-sm);
  border: 1px solid var(--color-border);
  background: var(--color-surface);
  color: var(--color-text-secondary);
  font-size: 0.8125rem;
  cursor: pointer;
  transition: all var(--transition);
  display: flex;
  align-items: center;
  justify-content: center;
}

.page-btn:hover { background: var(--color-surface-2); }
.page-btn.active {
  background: var(--color-accent);
  border-color: var(--color-accent);
  color: white;
}

.page-btn:disabled { opacity: 0.4; cursor: not-allowed; }


/* === CLIENT AVATAR COLORS === */
.avatar-color-0  { background-color: #3B82F6; }
.avatar-color-1  { background-color: #8B5CF6; }
.avatar-color-2  { background-color: #10B981; }
.avatar-color-3  { background-color: #F59E0B; }
.avatar-color-4  { background-color: #EF4444; }
.avatar-color-5  { background-color: #06B6D4; }
.avatar-color-6  { background-color: #84CC16; }
.avatar-color-7  { background-color: #EC4899; }