/* ═══════════════════════════════════════════════════════════════
   DMG Platform — Components
   Buttons, cards, forms, tables, badges, modals, progress
   ═══════════════════════════════════════════════════════════════ */

/* ─── Buttons ────────────────────────────────────────────────── */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 0.4rem;
  padding: 0.55rem 1.1rem;
  font-size: 0.8125rem;
  font-weight: 500;
  font-family: var(--font-sans);
  border: 1px solid transparent;
  border-radius: var(--radius-sm);
  cursor: pointer;
  transition: all var(--transition-fast);
  text-decoration: none;
  white-space: nowrap;
  line-height: 1.4;
}
.btn:disabled, .btn.disabled {
  opacity: 0.45;
  cursor: not-allowed;
  pointer-events: none;
}
.btn-primary {
  background: var(--primary);
  color: #fff;
  border-color: var(--primary);
}
.btn-primary:hover { background: var(--primary-dark); border-color: var(--primary-dark); color: #fff; }

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

.btn-danger {
  background: var(--error);
  color: #fff;
  border-color: var(--error);
}
.btn-danger:hover { background: #dc2626; color: #fff; }

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

.btn-sm { padding: 0.35rem 0.7rem; font-size: 0.75rem; }
.btn-lg { padding: 0.7rem 1.5rem; font-size: 0.9375rem; }
.btn-icon { padding: 0.45rem; min-width: 2rem; }
.btn-full { width: 100%; }

/* ─── Cards ──────────────────────────────────────────────────── */
.card {
  background: var(--bg-card);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-md);
  overflow: hidden;
}
.card-header {
  padding: 1rem 1.25rem;
  border-bottom: 1px solid var(--border-color);
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 0.5rem;
}
.card-header h2, .card-header h3 {
  font-size: 0.9375rem;
  font-weight: 600;
}
.card-body { padding: 1.25rem; }
.card-footer {
  padding: 0.75rem 1.25rem;
  border-top: 1px solid var(--border-color);
  display: flex;
  align-items: center;
  justify-content: flex-end;
  gap: 0.5rem;
}

/* Service Card (dashboard) */
.service-card {
  background: var(--bg-card);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-md);
  padding: 1.25rem;
  transition: all var(--transition-base);
  position: relative;
  overflow: hidden;
}
.service-card::before {
  content: '';
  position: absolute;
  top: 0; left: 0; right: 0;
  height: 3px;
  background: var(--primary);
}
.service-card:hover {
  border-color: var(--primary-alpha-30);
  box-shadow: var(--shadow-glow);
}
.service-card-header {
  display: flex;
  align-items: center;
  gap: 0.6rem;
  margin-bottom: 1rem;
}
.service-card-icon { font-size: 1.5rem; }
.service-card-name { font-weight: 600; font-size: 0.9375rem; }
.service-card-stats {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 0.75rem;
  margin-bottom: 1rem;
}
.service-card-stat {
  display: flex;
  flex-direction: column;
}
.service-card-stat-label {
  font-size: 0.7rem;
  color: var(--text-muted);
  text-transform: uppercase;
  letter-spacing: 0.5px;
}
.service-card-stat-value {
  font-size: 1.125rem;
  font-weight: 600;
  font-family: var(--font-mono);
  color: var(--text-primary);
}
.service-card-actions {
  display: flex;
  gap: 0.5rem;
}

/* ─── Forms ──────────────────────────────────────────────────── */
.form-group {
}
.form-label {
  display: block;
  margin-bottom: 0.35rem;
  font-size: 0.8125rem;
  font-weight: 500;
  color: var(--text-primary);
}
.form-label .required {
  color: var(--error);
  margin-left: 2px;
}
.form-hint {
  font-size: 0.75rem;
  color: var(--text-muted);
  margin-top: 0.25rem;
}
.form-input, .form-select, .form-textarea {
  width: 100%;
  padding: 0.55rem 0.75rem;
  font-size: 0.875rem;
  font-family: var(--font-sans);
  background: var(--bg-input);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-sm);
  color: var(--text-primary);
  transition: all var(--transition-fast);
  outline: none;
}
.form-input:focus, .form-select:focus, .form-textarea:focus {
  border-color: var(--primary);
  box-shadow: 0 0 0 3px var(--primary-alpha-10);
  background: var(--bg-input-focus);
}
.form-input::placeholder, .form-textarea::placeholder {
  color: var(--text-muted);
}
.form-input.error, .form-select.error, .form-textarea.error {
  border-color: var(--error);
  box-shadow: 0 0 0 3px var(--error-alpha);
}
.form-select {
  appearance: none;
  background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='12' height='12' fill='%238b8b94' viewBox='0 0 16 16'%3E%3Cpath d='M8 11L3 6h10z'/%3E%3C/svg%3E");
  background-repeat: no-repeat;
  background-position: right 0.75rem center;
  padding-right: 2rem;
}
.form-select option {
  background: var(--bg-card);
  color: var(--text-primary);
}
.form-textarea {
  min-height: 80px;
  resize: vertical;
}
.form-row {
  display: flex;
  gap: 1rem;
  margin-bottom: 1rem;
}
.form-row .form-group { flex: 1; }
.form-error {
  color: var(--error);
  font-size: 0.75rem;
  margin-top: 0.25rem;
}
.form-inline {
  display: flex;
  align-items: center;
  justify-content: center;
  margin: 1rem 0.5rem;
  gap: 0.5rem;
}
.form-check {
  display: flex;
  align-items: center;
  gap: 0.5rem;
  cursor: pointer;
  font-size: 0.8125rem;
}
.form-check input[type="checkbox"],
.form-check input[type="radio"] {
  width: 1rem;
  height: 1rem;
  accent-color: var(--primary);
  cursor: pointer;
}

/* ─── Tables ─────────────────────────────────────────────────── */
.table-wrapper {
  overflow-x: auto;
  border: 1px solid var(--border-color);
  border-radius: var(--radius-md);
}
.table {
  width: 100%;
  border-collapse: collapse;
  font-size: 0.8125rem;
}
.table th {
  background: var(--bg-card);
  padding: 0.65rem 0.75rem;
  text-align: left;
  font-weight: 600;
  font-size: 0.75rem;
  text-transform: uppercase;
  letter-spacing: 0.5px;
  color: var(--text-secondary);
  border-bottom: 1px solid var(--border-color);
  white-space: nowrap;
}
.table td {
  padding: 0.65rem 0.75rem;
  border-bottom: 1px solid var(--border-light);
  color: var(--text-primary);
  vertical-align: middle;
}
.table tbody tr:hover {
  background: var(--bg-card-hover);
}
.table tbody tr:last-child td {
  border-bottom: none;
}

/* ─── Badges ─────────────────────────────────────────────────── */
.badge {
  display: inline-flex;
  align-items: center;
  padding: 0.2rem 0.55rem;
  border-radius: 100px;
  font-size: 0.7rem;
  font-weight: 600;
  letter-spacing: 0.3px;
  white-space: nowrap;
}
.badge-primary  { background: var(--primary-alpha-20); color: var(--primary); }
.badge-success  { background: var(--success-alpha); color: var(--success); }
.badge-error    { background: var(--error-alpha); color: var(--error); }
.badge-warning  { background: var(--warning-alpha); color: var(--warning); }
.badge-info     { background: var(--info-alpha); color: var(--info); }
.badge-muted    { background: rgba(128,128,128,0.12); color: var(--text-muted); }

/* ─── Progress Bar ───────────────────────────────────────────── */
.progress {
  width: 100%;
  height: 8px;
  background: var(--border-color);
  border-radius: 100px;
  overflow: hidden;
}
.progress-bar {
  height: 100%;
  background: var(--primary);
  border-radius: 100px;
  transition: width 0.5s ease;
  min-width: 0;
}
.progress-bar.success { background: var(--success); }

/* ─── Alerts ─────────────────────────────────────────────────── */
.alert {
  padding: 0.75rem 1rem;
  border-radius: var(--radius-sm);
  font-size: 0.8125rem;
  border: 1px solid transparent;
  display: flex;
  align-items: flex-start;
  gap: 0.5rem;
}
.alert-error   { background: var(--error-alpha); border-color: var(--error); color: var(--error); }
.alert-success { background: var(--success-alpha); border-color: var(--success); color: var(--success); }
.alert-warning { background: var(--warning-alpha); border-color: var(--warning); color: var(--warning); }
.alert-info    { background: var(--info-alpha); border-color: var(--info); color: var(--info); }

/* ─── Empty State ────────────────────────────────────────────── */
.empty-state {
  text-align: center;
  padding: 3rem 1rem;
  color: var(--text-muted);
}
.empty-state-icon {
  font-size: 2.5rem;
  margin-bottom: 0.75rem;
}
.empty-state-title {
  font-size: 1rem;
  font-weight: 600;
  color: var(--text-secondary);
  margin-bottom: 0.35rem;
}
.empty-state-text {
  font-size: 0.8125rem;
  margin-bottom: 1rem;
}

/* ─── Stat Card ──────────────────────────────────────────────── */
.stat-card {
  background: var(--bg-card);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-md);
  padding: 1.25rem;
}
.stat-card-label {
  font-size: 0.75rem;
  color: var(--text-muted);
  text-transform: uppercase;
  letter-spacing: 0.5px;
  margin-bottom: 0.35rem;
}
.stat-card-value {
  font-size: 1.75rem;
  font-weight: 700;
  font-family: var(--font-mono);
  color: var(--text-primary);
  line-height: 1.2;
}
.stat-card-footer {
  font-size: 0.75rem;
  color: var(--text-secondary);
  margin-top: 0.5rem;
}

/* ─── Modal ──────────────────────────────────────────────────── */
.modal-overlay {
  position: fixed;
  inset: 0;
  background: rgba(0, 0, 0, 0.6);
  backdrop-filter: blur(4px);
  z-index: 1000;
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 1rem;
  opacity: 0;
  pointer-events: none;
  transition: opacity var(--transition-base);
}
.modal-overlay.active {
  opacity: 1;
  pointer-events: auto;
}
.modal {
  background: var(--bg-modal);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-lg);
  width: 100%;
  max-width: 480px;
  max-height: 85vh;
  overflow-y: auto;
  box-shadow: var(--shadow-lg);
  transform: scale(0.95);
  transition: transform var(--transition-base);
}
.modal-overlay.active .modal {
  transform: scale(1);
}
.modal-header {
  padding: 1.25rem 1.25rem 0.75rem;
  display: flex;
  align-items: center;
  justify-content: space-between;
}
.modal-header h3 { font-size: 1rem; }
.modal-close {
  background: none; border: none; color: var(--text-muted);
  font-size: 1.25rem; cursor: pointer; padding: 0.25rem;
}
.modal-close:hover { color: var(--text-primary); }
.modal-body { padding: 0.75rem 1.25rem; }
.modal-footer {
  padding: 0.75rem 1.25rem 1.25rem;
  display: flex;
  justify-content: flex-end;
  gap: 0.5rem;
}

/* ─── Skeleton Loading ───────────────────────────────────────── */
.skeleton {
  background: var(--bg-skeleton);
  background-size: 200% 100%;
  animation: shimmer 1.5s infinite;
  border-radius: var(--radius-xs);
}
.skeleton-text { height: 14px; width: 80%; margin-bottom: 8px; }
.skeleton-text:last-child { width: 50%; margin-bottom: 0; }
.skeleton-heading { height: 20px; width: 60%; margin-bottom: 12px; }
.skeleton-avatar { width: 40px; height: 40px; border-radius: 50%; }

/* ─── Pagination ─────────────────────────────────────────────── */
.pagination {
  display: flex;
  align-items: center;
  gap: 0.25rem;
  justify-content: center;
  margin-top: 1.5rem;
}
.pagination-btn {
  padding: 0.4rem 0.7rem;
  font-size: 0.8125rem;
  border: 1px solid var(--border-color);
  border-radius: var(--radius-sm);
  background: var(--bg-card);
  color: var(--text-secondary);
  cursor: pointer;
  transition: all var(--transition-fast);
  text-decoration: none;
}
.pagination-btn:hover { background: var(--bg-card-hover); color: var(--text-primary); }
.pagination-btn.active { background: var(--primary); color: #fff; border-color: var(--primary); }
.pagination-btn:disabled { opacity: 0.4; cursor: not-allowed; }

/* ─── Tooltip ────────────────────────────────────────────────── */
[data-tooltip] {
  position: relative;
}
[data-tooltip]::after {
  content: attr(data-tooltip);
  position: absolute;
  bottom: 100%;
  left: 50%;
  transform: translateX(-50%) translateY(-4px);
  padding: 0.3rem 0.6rem;
  background: var(--bg-tooltip);
  color: var(--text-primary);
  font-size: 0.7rem;
  border-radius: var(--radius-xs);
  white-space: nowrap;
  pointer-events: none;
  opacity: 0;
  transition: opacity var(--transition-fast);
  z-index: 200;
}
[data-tooltip]:hover::after { opacity: 1; }

/* ─── Copy Button ────────────────────────────────────────────── */
.copy-btn {
  background: none; border: none;
  color: var(--text-muted);
  cursor: pointer;
  padding: 0.15rem 0.3rem;
  font-size: 0.85rem;
  border-radius: var(--radius-xs);
  transition: all var(--transition-fast);
}
.copy-btn:hover { color: var(--primary); background: var(--primary-alpha-10); }
.copy-btn.copied { color: var(--success); }

/* ─── Theme Toggle ───────────────────────────────────────────── */
.theme-toggle {
  background: none;
  border: 1px solid var(--border-color);
  border-radius: var(--radius-sm);
  padding: 0.35rem 0.5rem;
  cursor: pointer;
  color: var(--text-secondary);
  font-size: 1rem;
  transition: all var(--transition-fast);
  display: inline-flex;
  align-items: center;
}
.theme-toggle:hover { background: var(--bg-card-hover); color: var(--primary); }

/* ─── API Key Display ────────────────────────────────────────── */
.api-key-display {
  display: flex;
  align-items: center;
  gap: 0.5rem;
  padding: 0.75rem 1rem;
  background: var(--primary-alpha-10);
  border: 1px dashed var(--primary);
  border-radius: var(--radius-md);
  margin: 1rem 0;
}
.api-key-display code {
  font-family: var(--font-mono);
  font-size: 0.8125rem;
  color: var(--primary);
  background: none;
  word-break: break-all;
  flex: 1;
}

@media (max-width: 768px) {
  .form-row { flex-direction: column; gap: 0; }
}