/* ══════════════════════════════════════════════════════════════
   COMPONENTS — Shared UI Elements
   ══════════════════════════════════════════════════════════════ */

/* Empty States */
.empty-state {
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  padding: var(--sp-12) var(--sp-8);
  text-align: center;
}

.empty-state i {
  font-size: 48px;
  color: var(--gray-300);
  margin-bottom: var(--sp-5);
}

.empty-state h3 {
  color: var(--gray-600);
  margin-bottom: var(--sp-2);
}

.empty-state p {
  color: var(--gray-400);
  font-size: 14px;
  max-width: 320px;
}

/* Skeleton Loading */
.skeleton {
  background: linear-gradient(90deg, var(--gray-100) 25%, var(--gray-50) 50%, var(--gray-100) 75%);
  background-size: 200% 100%;
  animation: skeletonShimmer 1.5s ease infinite;
  border-radius: var(--radius-md);
}

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

/* Tooltip */
.tooltip {
  position: relative;
}

.tooltip::after {
  content: attr(data-tooltip);
  position: absolute;
  bottom: calc(100% + 8px);
  left: 50%;
  transform: translateX(-50%);
  background: var(--gray-900);
  color: var(--white);
  font-size: 11px;
  padding: 4px 10px;
  border-radius: var(--radius-sm);
  white-space: nowrap;
  opacity: 0;
  pointer-events: none;
  transition: opacity var(--transition-fast);
}

.tooltip:hover::after {
  opacity: 1;
}

/* PDF Modal Header */
.pdf-modal-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-bottom: var(--sp-6);
  padding-bottom: var(--sp-5);
  border-bottom: 1px solid var(--border-color);
}

.pdf-modal-header h2 {
  margin: 0;
  font-size: var(--title-md);
}

/* PDF Preview Container */
.pdf-preview {
  background: var(--stone-0);
  max-width: 800px;
  margin: 0 auto;
  border-radius: var(--radius-lg);
  overflow: hidden;
  border: 1px solid var(--border-color);
  box-shadow: var(--shadow-sm);
}

/* PDF Header */
.pdf-header {
  background: linear-gradient(135deg, var(--orange-500) 0%, var(--orange-400) 50%, var(--orange-600) 100%);
  color: var(--stone-0);
  padding: var(--sp-8) var(--sp-8) var(--sp-6);
  position: relative;
}

.pdf-header::before {
  content: '';
  position: absolute;
  top: -20%;
  right: -10%;
  width: 200px;
  height: 200px;
  background: radial-gradient(circle, rgba(255,255,255,0.12) 0%, transparent 70%);
  border-radius: 50%;
}

.pdf-logo-row {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-bottom: var(--sp-6);
}

.pdf-logo {
  display: flex;
  align-items: center;
  gap: var(--sp-3);
  font-weight: 800;
  font-size: 20px;
  letter-spacing: -0.03em;
}

.pdf-logo-icon {
  width: 36px;
  height: 36px;
  border-radius: var(--radius-xs);
  background: rgba(255,255,255,0.2);
  backdrop-filter: blur(8px);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 16px;
}

.pdf-pro {
  font-size: 11px;
  vertical-align: super;
  opacity: 0.8;
  margin-left: 2px;
}

.pdf-doc-info {
  display: flex;
  flex-direction: column;
  align-items: flex-end;
  gap: 2px;
  font-size: 12px;
  opacity: 0.85;
}

.pdf-hero {
  margin-bottom: var(--sp-5);
}

.pdf-hero h1 {
  font-size: 36px;
  font-weight: 800;
  letter-spacing: -0.04em;
  line-height: 1;
  margin-bottom: 6px;
  color: var(--stone-0);
}

.pdf-hero p {
  font-size: 15px;
  opacity: 0.85;
  color: var(--stone-0);
}

.pdf-client-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: var(--sp-3);
}

.pdf-client-card {
  background: rgba(255,255,255,0.15);
  backdrop-filter: blur(8px);
  border-radius: var(--radius-sm);
  padding: var(--sp-3) var(--sp-4);
  border: 1px solid rgba(255,255,255,0.12);
}

.pdf-client-label {
  font-size: 10px;
  text-transform: uppercase;
  letter-spacing: 0.08em;
  opacity: 0.7;
  margin-bottom: 4px;
  font-weight: 600;
}

.pdf-client-value {
  font-weight: 700;
  font-size: 14px;
}

.pdf-client-value.pdf-price {
  color: #fff;
  font-size: 16px;
  font-weight: 800;
  letter-spacing: -0.03em;
}

/* PDF Body */
.pdf-body {
  padding: var(--sp-8);
}

.pdf-section-title {
  font-size: 16px;
  font-weight: 800;
  color: var(--stone-900);
  margin-bottom: var(--sp-5);
  display: flex;
  align-items: center;
  gap: var(--sp-3);
  letter-spacing: -0.02em;
}

.pdf-section-title i {
  color: var(--orange-500);
  font-size: 14px;
}

.pdf-day {
  margin-bottom: var(--sp-6);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-sm);
  overflow: hidden;
}

.pdf-day-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: var(--sp-3) var(--sp-4);
  background: var(--stone-50);
  border-bottom: 1px solid var(--border-color);
}

.pdf-day-label {
  font-weight: 700;
  font-size: 14px;
  color: var(--orange-600);
}

.pdf-day-date {
  font-size: 12px;
  color: var(--stone-500);
  font-weight: 500;
}

.pdf-activity {
  display: flex;
  align-items: center;
  gap: var(--sp-3);
  padding: var(--sp-3) var(--sp-4);
  border-bottom: 1px solid var(--border-color);
}

.pdf-activity:last-child {
  border-bottom: none;
}

.pdf-activity-time {
  font-size: 12px;
  font-weight: 700;
  color: var(--stone-500);
  min-width: 44px;
  text-align: center;
}

.pdf-activity-icon {
  font-size: 18px;
  min-width: 28px;
  text-align: center;
}

.pdf-activity-content {
  flex: 1;
}

.pdf-activity-title {
  font-size: 13px;
  font-weight: 700;
  color: var(--stone-900);
}

.pdf-activity-detail {
  font-size: 12px;
  color: var(--stone-500);
  margin-top: 1px;
}

.pdf-activity-price {
  font-size: 12px;
  font-weight: 700;
  color: var(--orange-600);
  min-width: 80px;
  text-align: right;
}

.pdf-activity-empty {
  padding: var(--sp-4);
  color: var(--stone-400);
  font-size: 13px;
  font-style: italic;
  text-align: center;
}

/* PDF Budget */
.pdf-budget {
  background: var(--stone-50);
  border-radius: var(--radius-sm);
  padding: var(--sp-5);
  border: 1px solid var(--border-color);
}

.pdf-budget-items {
  display: flex;
  flex-direction: column;
  gap: var(--sp-2);
  margin-bottom: var(--sp-4);
}

.pdf-budget-row {
  display: flex;
  justify-content: space-between;
  font-size: 13px;
  color: var(--stone-600);
}

.pdf-budget-row.pdf-budget-total {
  font-weight: 800;
  font-size: 15px;
  color: var(--stone-900);
  padding-top: var(--sp-3);
  border-top: 1px solid var(--border-color);
  margin-top: var(--sp-2);
}

.pdf-budget-summary {
  margin-top: var(--sp-3);
}

.pdf-budget-bar {
  height: 8px;
  background: var(--stone-200);
  border-radius: var(--radius-full);
  overflow: hidden;
}

.pdf-budget-bar-fill {
  height: 100%;
  background: linear-gradient(90deg, var(--orange-500), var(--orange-400));
  border-radius: var(--radius-full);
  transition: width 0.6s ease;
}

.pdf-budget-meta {
  display: flex;
  justify-content: space-between;
  font-size: 11px;
  color: var(--stone-400);
  margin-top: var(--sp-2);
}

.pdf-voucher-note {
  display: flex;
  align-items: center;
  gap: var(--sp-3);
  padding: var(--sp-4);
  margin-top: var(--sp-5);
  background: var(--orange-50);
  border: 1px solid rgba(255,122,26,0.12);
  border-radius: var(--radius-sm);
  font-size: 13px;
  color: var(--orange-700);
}

.pdf-voucher-note i {
  font-size: 16px;
  color: var(--orange-500);
}

/* PDF Footer */
.pdf-footer {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: var(--sp-5) var(--sp-8);
  background: var(--stone-900);
  color: var(--stone-400);
  font-size: 11px;
}

.pdf-footer-brand {
  display: flex;
  flex-direction: column;
  gap: 2px;
}

.pdf-footer-brand strong {
  color: var(--stone-0);
  font-size: 13px;
  letter-spacing: -0.01em;
}

.pdf-footer-contact {
  display: flex;
  flex-direction: column;
  align-items: flex-end;
  gap: 2px;
}

/* Toast Notification */
.toast-container {
  position: fixed;
  bottom: var(--sp-6);
  right: var(--sp-6);
  z-index: 9999;
  display: flex;
  flex-direction: column;
  gap: var(--sp-3);
}

.toast {
  display: flex;
  align-items: center;
  gap: var(--sp-3);
  padding: var(--sp-4) var(--sp-5);
  background: var(--gray-900);
  color: var(--white);
  border-radius: var(--radius-md);
  box-shadow: var(--shadow-lg);
  font-size: 13px;
  font-weight: 500;
  animation: slideInRight var(--transition-base) ease;
  max-width: 360px;
}

.toast.success {
  background: #065F46;
}

.toast.error {
  background: #991B1B;
}

.toast i {
  font-size: 16px;
  flex-shrink: 0;
}

/* Overlay for mobile sidebar */
.sidebar-overlay {
  position: fixed;
  inset: 0;
  background: rgba(0, 0, 0, 0.5);
  z-index: 90;
  opacity: 0;
  pointer-events: none;
  transition: opacity var(--transition-base);
}

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