:root {
  --basalto: #161513;
  --cuarzo: #EDEAE4;
  --ceniza: #8C877E;
  --ambar: #B5651D;
  --ambar-hover: #9a5618;
  --danger: #c0392b;
  --success: #27ae60;
  --warning: #f39c12;
  --info: #2980b9;
  --white: #ffffff;
  --gray-50: #f9fafb;
  --gray-100: #f3f4f6;
  --gray-200: #e5e7eb;
  --gray-300: #d1d5db;
  --gray-400: #9ca3af;
  --gray-500: #6b7280;
  --gray-600: #4b5563;
  --gray-700: #374151;
  --gray-800: #1f2937;
  --gray-900: #111827;
  --sidebar-width: 240px;
  --font: 'Inter', -apple-system, BlinkMacSystemFont, sans-serif;
}

*, *::before, *::after {
  margin: 0;
  padding: 0;
  box-sizing: border-box;
}

body {
  font-family: var(--font);
  background: var(--gray-50);
  color: var(--basalto);
  line-height: 1.6;
  min-height: 100vh;
}

/* ─── Login Page ─────────────────────────────────────── */

.login-page {
  display: flex;
  align-items: center;
  justify-content: center;
  min-height: 100vh;
  background: var(--cuarzo);
}

.login-card {
  background: var(--white);
  padding: 48px 40px;
  width: 100%;
  max-width: 400px;
  border: 1px solid var(--gray-200);
}

.login-card .wordmark {
  text-align: center;
  font-size: 28px;
  letter-spacing: 1.2em;
  font-weight: 300;
  color: var(--basalto);
  margin-bottom: 8px;
  text-indent: 1.2em;
}

.login-card .subtitle {
  text-align: center;
  font-size: 11px;
  letter-spacing: 0.3em;
  text-transform: uppercase;
  color: var(--ceniza);
  margin-bottom: 40px;
}

.login-card .error-msg {
  background: #fef2f2;
  color: var(--danger);
  padding: 10px 14px;
  font-size: 13px;
  margin-bottom: 16px;
  display: none;
}

.login-card .error-msg.visible {
  display: block;
}

/* ─── Layout ─────────────────────────────────────────── */

.admin-layout {
  display: flex;
  min-height: 100vh;
}

.sidebar {
  width: var(--sidebar-width);
  background: var(--basalto);
  color: var(--cuarzo);
  position: fixed;
  top: 0;
  left: 0;
  bottom: 0;
  display: flex;
  flex-direction: column;
  z-index: 100;
  transition: transform 0.3s ease;
}

.sidebar .logo {
  padding: 28px 24px 24px;
  border-bottom: 1px solid rgba(255,255,255,0.06);
}

.sidebar .logo .wordmark {
  font-size: 18px;
  letter-spacing: 0.8em;
  font-weight: 300;
  color: var(--cuarzo);
  text-indent: 0.8em;
}

.sidebar .logo .label {
  font-size: 9px;
  letter-spacing: 0.25em;
  text-transform: uppercase;
  color: var(--ceniza);
  margin-top: 4px;
}

.sidebar nav {
  flex: 1;
  padding: 16px 0;
  overflow-y: auto;
}

.sidebar nav a {
  display: flex;
  align-items: center;
  gap: 12px;
  padding: 10px 24px;
  color: var(--ceniza);
  text-decoration: none;
  font-size: 13px;
  letter-spacing: 0.02em;
  transition: all 0.15s;
  border-left: 3px solid transparent;
}

.sidebar nav a:hover {
  color: var(--cuarzo);
  background: rgba(255,255,255,0.04);
}

.sidebar nav a.active {
  color: var(--white);
  border-left-color: var(--ambar);
  background: rgba(255,255,255,0.06);
}

.sidebar nav a svg {
  width: 18px;
  height: 18px;
  flex-shrink: 0;
}

.sidebar .sidebar-footer {
  padding: 16px 24px;
  border-top: 1px solid rgba(255,255,255,0.06);
}

.sidebar .sidebar-footer button {
  background: none;
  border: 1px solid rgba(255,255,255,0.12);
  color: var(--ceniza);
  padding: 8px 16px;
  font-size: 12px;
  cursor: pointer;
  width: 100%;
  font-family: var(--font);
  letter-spacing: 0.05em;
  transition: all 0.15s;
}

.sidebar .sidebar-footer button:hover {
  color: var(--cuarzo);
  border-color: rgba(255,255,255,0.25);
}

.main-content {
  margin-left: var(--sidebar-width);
  flex: 1;
  padding: 32px 40px;
  min-height: 100vh;
}

.main-content .page-header {
  margin-bottom: 32px;
}

.main-content .page-header h1 {
  font-size: 22px;
  font-weight: 500;
  letter-spacing: 0.02em;
}

.main-content .page-header p {
  color: var(--ceniza);
  font-size: 13px;
  margin-top: 4px;
}

/* ─── Mobile Sidebar ─────────────────────────────────── */

.sidebar-toggle {
  display: none;
  position: fixed;
  top: 16px;
  left: 16px;
  z-index: 200;
  background: var(--basalto);
  color: var(--cuarzo);
  border: none;
  padding: 8px 10px;
  cursor: pointer;
  font-size: 18px;
}

.sidebar-overlay {
  display: none;
  position: fixed;
  inset: 0;
  background: rgba(0,0,0,0.5);
  z-index: 99;
}

@media (max-width: 768px) {
  .sidebar {
    transform: translateX(-100%);
  }
  .sidebar.open {
    transform: translateX(0);
  }
  .sidebar-toggle {
    display: block;
  }
  .sidebar-overlay.visible {
    display: block;
  }
  .main-content {
    margin-left: 0;
    padding: 60px 20px 20px;
  }
}

/* ─── Stats Grid ─────────────────────────────────────── */

.stats-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 16px;
  margin-bottom: 32px;
}

@media (max-width: 1024px) {
  .stats-grid { grid-template-columns: repeat(2, 1fr); }
}

@media (max-width: 480px) {
  .stats-grid { grid-template-columns: 1fr; }
}

.stat-card {
  background: var(--white);
  border: 1px solid var(--gray-200);
  padding: 20px 24px;
}

.stat-card .stat-label {
  font-size: 11px;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--ceniza);
  margin-bottom: 8px;
}

.stat-card .stat-value {
  font-size: 28px;
  font-weight: 600;
  letter-spacing: -0.02em;
  color: var(--basalto);
}

.stat-card .stat-sub {
  font-size: 12px;
  color: var(--ceniza);
  margin-top: 4px;
}

/* ─── Cards ──────────────────────────────────────────── */

.card {
  background: var(--white);
  border: 1px solid var(--gray-200);
  margin-bottom: 24px;
}

.card .card-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 16px 24px;
  border-bottom: 1px solid var(--gray-100);
}

.card .card-header h2 {
  font-size: 14px;
  font-weight: 600;
  letter-spacing: 0.02em;
}

.card .card-body {
  padding: 24px;
}

/* ─── Tables ─────────────────────────────────────────── */

.table-wrap {
  overflow-x: auto;
}

table {
  width: 100%;
  border-collapse: collapse;
  font-size: 13px;
}

table th {
  text-align: left;
  padding: 10px 16px;
  font-size: 11px;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--ceniza);
  font-weight: 500;
  border-bottom: 1px solid var(--gray-200);
  white-space: nowrap;
}

table td {
  padding: 12px 16px;
  border-bottom: 1px solid var(--gray-100);
  vertical-align: middle;
}

table tbody tr:hover {
  background: var(--gray-50);
}

table tbody tr:nth-child(even) {
  background: var(--gray-50);
}

table tbody tr:nth-child(even):hover {
  background: var(--gray-100);
}

/* ─── Buttons ────────────────────────────────────────── */

.btn {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  padding: 8px 16px;
  font-size: 13px;
  font-family: var(--font);
  font-weight: 500;
  border: 1px solid transparent;
  cursor: pointer;
  transition: all 0.15s;
  text-decoration: none;
  white-space: nowrap;
}

.btn-primary {
  background: var(--basalto);
  color: var(--white);
  border-color: var(--basalto);
}

.btn-primary:hover {
  background: var(--gray-800);
}

.btn-ambar {
  background: var(--ambar);
  color: var(--white);
  border-color: var(--ambar);
}

.btn-ambar:hover {
  background: var(--ambar-hover);
}

.btn-outline {
  background: transparent;
  color: var(--basalto);
  border-color: var(--gray-300);
}

.btn-outline:hover {
  background: var(--gray-100);
}

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

.btn-danger:hover {
  background: #a93226;
}

.btn-sm {
  padding: 5px 10px;
  font-size: 12px;
}

.btn-ghost {
  background: transparent;
  border: none;
  color: var(--ceniza);
  padding: 4px 8px;
  cursor: pointer;
  font-size: 12px;
  font-family: var(--font);
  transition: color 0.15s;
}

.btn-ghost:hover {
  color: var(--basalto);
}

/* ─── Forms ──────────────────────────────────────────── */

.form-group {
  margin-bottom: 16px;
}

.form-group label {
  display: block;
  font-size: 12px;
  font-weight: 500;
  letter-spacing: 0.04em;
  color: var(--gray-600);
  margin-bottom: 6px;
}

.form-group input,
.form-group select,
.form-group textarea {
  width: 100%;
  padding: 9px 12px;
  font-size: 13px;
  font-family: var(--font);
  border: 1px solid var(--gray-300);
  background: var(--white);
  color: var(--basalto);
  transition: border-color 0.15s;
  outline: none;
}

.form-group input:focus,
.form-group select:focus,
.form-group textarea:focus {
  border-color: var(--basalto);
}

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

.form-row {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 16px;
}

@media (max-width: 480px) {
  .form-row { grid-template-columns: 1fr; }
}

.toggle-wrap {
  display: flex;
  align-items: center;
  gap: 10px;
}

.toggle {
  position: relative;
  width: 40px;
  height: 22px;
  appearance: none;
  -webkit-appearance: none;
  background: var(--gray-300);
  border-radius: 11px;
  cursor: pointer;
  transition: background 0.2s;
  border: none;
}

.toggle:checked {
  background: var(--ambar);
}

.toggle::before {
  content: '';
  position: absolute;
  top: 2px;
  left: 2px;
  width: 18px;
  height: 18px;
  background: var(--white);
  border-radius: 50%;
  transition: transform 0.2s;
}

.toggle:checked::before {
  transform: translateX(18px);
}

.toggle-label {
  font-size: 13px;
  color: var(--gray-600);
}

/* ─── Modal ──────────────────────────────────────────── */

.modal-overlay {
  position: fixed;
  inset: 0;
  background: rgba(0,0,0,0.5);
  display: flex;
  align-items: center;
  justify-content: center;
  z-index: 1000;
  opacity: 0;
  pointer-events: none;
  transition: opacity 0.2s;
}

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

.modal {
  background: var(--white);
  width: 100%;
  max-width: 520px;
  max-height: 90vh;
  overflow-y: auto;
  transform: translateY(20px);
  transition: transform 0.2s;
}

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

.modal .modal-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 20px 24px;
  border-bottom: 1px solid var(--gray-100);
}

.modal .modal-header h3 {
  font-size: 16px;
  font-weight: 600;
}

.modal .modal-close {
  background: none;
  border: none;
  font-size: 20px;
  cursor: pointer;
  color: var(--ceniza);
  padding: 4px;
  line-height: 1;
}

.modal .modal-close:hover {
  color: var(--basalto);
}

.modal .modal-body {
  padding: 24px;
}

.modal .modal-footer {
  padding: 16px 24px;
  border-top: 1px solid var(--gray-100);
  display: flex;
  justify-content: flex-end;
  gap: 8px;
}

/* ─── Toast ──────────────────────────────────────────── */

.toast-container {
  position: fixed;
  top: 20px;
  right: 20px;
  z-index: 2000;
  display: flex;
  flex-direction: column;
  gap: 8px;
}

.toast {
  padding: 12px 20px;
  font-size: 13px;
  font-family: var(--font);
  color: var(--white);
  min-width: 240px;
  opacity: 0;
  transform: translateX(40px);
  transition: all 0.3s;
}

.toast.show {
  opacity: 1;
  transform: translateX(0);
}

.toast.success { background: var(--success); }
.toast.error { background: var(--danger); }
.toast.info { background: var(--info); }

/* ─── Badge / Status ─────────────────────────────────── */

.badge {
  display: inline-block;
  padding: 3px 10px;
  font-size: 11px;
  font-weight: 500;
  letter-spacing: 0.05em;
  text-transform: uppercase;
}

.badge-pending { background: #fef3c7; color: #92400e; }
.badge-paid { background: #d1fae5; color: #065f46; }
.badge-shipped { background: #dbeafe; color: #1e40af; }
.badge-delivered { background: #e0e7ff; color: #3730a3; }
.badge-cancelled { background: #fee2e2; color: #991b1b; }
.badge-active { background: #d1fae5; color: #065f46; }
.badge-inactive { background: var(--gray-100); color: var(--gray-500); }

/* ─── Filter Bar ─────────────────────────────────────── */

.filter-bar {
  display: flex;
  align-items: center;
  gap: 12px;
  margin-bottom: 20px;
  flex-wrap: wrap;
}

.filter-bar select {
  padding: 7px 12px;
  font-size: 13px;
  font-family: var(--font);
  border: 1px solid var(--gray-300);
  background: var(--white);
  color: var(--basalto);
  cursor: pointer;
}

/* ─── Etiqueta Preview ───────────────────────────────── */

.label-preview-container {
  border: 1px dashed var(--gray-300);
  padding: 32px;
  background: var(--white);
  margin-bottom: 24px;
  display: flex;
  justify-content: center;
}

.label-preview {
  width: 400px;
  min-height: 560px;
  background: var(--white);
  padding: 40px 32px;
  text-align: center;
  border: 1px solid var(--gray-200);
  font-family: 'Inter', sans-serif;
  color: var(--basalto);
}

.label-preview .label-wordmark {
  font-size: 24px;
  letter-spacing: 0.8em;
  font-weight: 300;
  margin-bottom: 32px;
  text-indent: 0.8em;
}

.label-preview .label-product-name {
  font-size: 16px;
  font-weight: 500;
  letter-spacing: 0.15em;
  text-transform: uppercase;
  margin-bottom: 8px;
}

.label-preview .label-concentration {
  font-size: 11px;
  letter-spacing: 0.3em;
  text-transform: uppercase;
  color: var(--ceniza);
  margin-bottom: 24px;
}

.label-preview .label-volume {
  font-size: 14px;
  letter-spacing: 0.2em;
  margin-bottom: 32px;
}

.label-preview .label-divider {
  width: 40px;
  height: 1px;
  background: var(--basalto);
  margin: 0 auto 32px;
}

.label-preview .label-lote {
  font-size: 10px;
  letter-spacing: 0.15em;
  text-transform: uppercase;
  color: var(--ceniza);
  margin-bottom: 24px;
}

.label-preview .label-inci-title {
  font-size: 9px;
  letter-spacing: 0.2em;
  text-transform: uppercase;
  color: var(--ceniza);
  margin-bottom: 8px;
}

.label-preview .label-inci {
  font-size: 9px;
  line-height: 1.6;
  color: var(--gray-600);
  text-align: left;
  word-break: break-word;
}

.label-generator-layout {
  display: grid;
  grid-template-columns: 1fr 440px;
  gap: 32px;
  align-items: start;
}

@media (max-width: 900px) {
  .label-generator-layout {
    grid-template-columns: 1fr;
  }
}

/* ─── Empty State ────────────────────────────────────── */

.empty-state {
  text-align: center;
  padding: 48px 24px;
  color: var(--ceniza);
}

.empty-state p {
  font-size: 14px;
  margin-bottom: 16px;
}

/* ─── Order Detail ───────────────────────────────────── */

.order-detail-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 24px;
  margin-bottom: 24px;
}

@media (max-width: 600px) {
  .order-detail-grid { grid-template-columns: 1fr; }
}

.order-detail-grid .detail-section h4 {
  font-size: 11px;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--ceniza);
  margin-bottom: 12px;
}

.order-detail-grid .detail-section p {
  font-size: 13px;
  line-height: 1.8;
}

.order-items-table {
  margin-top: 16px;
}

/* ─── Quiz Stats ─────────────────────────────────────── */

.quiz-stats-bar {
  display: flex;
  gap: 24px;
  margin-bottom: 16px;
  flex-wrap: wrap;
}

.quiz-stat-item {
  font-size: 13px;
  color: var(--gray-600);
}

.quiz-stat-item strong {
  color: var(--basalto);
}

/* ─── Utility ────────────────────────────────────────── */

.text-muted { color: var(--ceniza); }
.text-sm { font-size: 12px; }
.text-right { text-align: right; }
.text-center { text-align: center; }
.mt-8 { margin-top: 8px; }
.mt-16 { margin-top: 16px; }
.mt-24 { margin-top: 24px; }
.mb-16 { margin-bottom: 16px; }
.mb-24 { margin-bottom: 24px; }
.flex { display: flex; }
.items-center { align-items: center; }
.justify-between { justify-content: space-between; }
.gap-8 { gap: 8px; }
.gap-12 { gap: 12px; }
.hidden { display: none !important; }