:root {
  --paper-50: #FCFAF6;
  --paper-100: #F7F4EF;
  --ink-900: #0F1720;
  --slate-600: #5B6775;
  --navy-900: #0B1B2B;
  --navy-800: #10263A;
  --gold-500: #B89B5E;
  --gold-600: #9A7F46;
  --line-200: #DED7CB;
  --success: #2D8A4E;
  --error: #C44545;
  --warning: #D4870A;

  --font-heading: Georgia, 'Times New Roman', serif;
  --font-body: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, 'Helvetica Neue', Arial, sans-serif;

  --space-xs: 8px;
  --space-sm: 16px;
  --space-md: 24px;
  --space-lg: 40px;
  --space-xl: 64px;

  --radius: 4px;
  --radius-lg: 8px;
  --shadow-sm: 0 1px 3px rgba(15, 23, 32, 0.08);
  --shadow-md: 0 4px 12px rgba(15, 23, 32, 0.1);
}

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

body {
  font-family: var(--font-body);
  font-size: 15px;
  line-height: 1.5;
  color: var(--ink-900);
  background-color: var(--paper-100);
  -webkit-font-smoothing: antialiased;
  min-height: 100vh;
}

#app {
  min-height: 100vh;
}

/* =========================================
   Login
   ========================================= */

.login-wrapper {
  min-height: 100vh;
  display: flex;
  align-items: center;
  justify-content: center;
  padding: var(--space-md);
  background: linear-gradient(135deg, var(--navy-900) 0%, var(--navy-800) 100%);
}

.login-card {
  background: var(--paper-50);
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow-md);
  padding: var(--space-lg);
  width: 100%;
  max-width: 400px;
}

.login-logo {
  text-align: center;
  margin-bottom: var(--space-lg);
}

.login-logo h1 {
  font-family: var(--font-heading);
  font-size: 1.75rem;
  color: var(--navy-900);
  letter-spacing: 0.1em;
}

.login-logo p {
  font-size: 0.8125rem;
  color: var(--slate-600);
  margin-top: var(--space-xs);
  text-transform: uppercase;
  letter-spacing: 0.08em;
}

.form-group {
  margin-bottom: var(--space-md);
}

.form-group label {
  display: block;
  font-size: 0.8125rem;
  font-weight: 600;
  color: var(--ink-900);
  margin-bottom: 6px;
  text-transform: uppercase;
  letter-spacing: 0.04em;
}

.form-group input,
.form-group textarea,
.form-group select {
  width: 100%;
  padding: 10px 14px;
  font-family: var(--font-body);
  font-size: 0.9375rem;
  color: var(--ink-900);
  background-color: var(--paper-50);
  border: 1px solid var(--line-200);
  border-radius: var(--radius);
  transition: border-color 0.2s ease, box-shadow 0.2s ease;
}

.form-group input:focus,
.form-group textarea:focus,
.form-group select:focus {
  outline: none;
  border-color: var(--gold-500);
  box-shadow: 0 0 0 3px rgba(184, 155, 94, 0.15);
}

.password-wrapper {
  position: relative;
}

.password-wrapper input {
  padding-right: 44px;
}

.password-toggle {
  position: absolute;
  right: 10px;
  top: 50%;
  transform: translateY(-50%);
  background: none;
  border: none;
  cursor: pointer;
  color: var(--slate-600);
  padding: 4px;
  display: flex;
  align-items: center;
  justify-content: center;
  transition: color 0.2s ease;
}

.password-toggle:hover {
  color: var(--ink-900);
}

.password-toggle svg {
  width: 20px;
  height: 20px;
}

.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  font-family: var(--font-body);
  font-size: 0.875rem;
  font-weight: 600;
  letter-spacing: 0.04em;
  text-transform: uppercase;
  padding: 12px 24px;
  border: 1px solid transparent;
  border-radius: var(--radius);
  cursor: pointer;
  transition: background-color 0.2s ease, border-color 0.2s ease, color 0.2s ease, opacity 0.2s ease;
  text-decoration: none;
  line-height: 1.4;
}

.btn:disabled {
  opacity: 0.6;
  cursor: not-allowed;
}

.btn-primary {
  background-color: var(--navy-900);
  color: var(--paper-50);
  border-color: var(--navy-900);
  width: 100%;
}

.btn-primary:hover:not(:disabled) {
  background-color: var(--navy-800);
  border-color: var(--gold-500);
}

.btn-gold {
  background-color: var(--gold-500);
  color: var(--paper-50);
  border-color: var(--gold-500);
}

.btn-gold:hover:not(:disabled) {
  background-color: var(--gold-600);
  border-color: var(--gold-600);
}

.btn-outline {
  background-color: transparent;
  color: var(--ink-900);
  border-color: var(--line-200);
}

.btn-outline:hover:not(:disabled) {
  border-color: var(--gold-500);
  color: var(--gold-500);
}

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

.btn-danger:hover:not(:disabled) {
  background-color: var(--error);
  color: white;
}

.btn-sm {
  padding: 8px 16px;
  font-size: 0.75rem;
}

.login-error {
  background-color: rgba(196, 69, 69, 0.08);
  border: 1px solid rgba(196, 69, 69, 0.3);
  border-radius: var(--radius);
  padding: 10px 14px;
  margin-bottom: var(--space-md);
  color: var(--error);
  font-size: 0.875rem;
  display: none;
}

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

.login-success {
  background-color: rgba(45, 138, 78, 0.08);
  border: 1px solid rgba(45, 138, 78, 0.3);
  border-radius: var(--radius);
  padding: 10px 14px;
  margin-bottom: var(--space-md);
  color: var(--success);
  font-size: 0.875rem;
  display: none;
}

.login-success.visible {
  display: block;
}

.login-footer {
  text-align: center;
  margin-top: var(--space-sm);
}

.login-footer a {
  color: var(--slate-600);
  font-size: 0.8125rem;
  text-decoration: none;
}

.login-footer a:hover {
  color: var(--navy-900);
  text-decoration: underline;
}

/* =========================================
   Admin Layout
   ========================================= */

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

.admin-sidebar {
  width: 240px;
  background-color: var(--navy-900);
  color: var(--paper-50);
  padding: var(--space-md);
  display: flex;
  flex-direction: column;
  position: fixed;
  top: 0;
  left: 0;
  bottom: 0;
  z-index: 50;
}

.sidebar-logo {
  padding: var(--space-sm) 0 var(--space-md);
  border-bottom: 1px solid rgba(252, 250, 246, 0.1);
  margin-bottom: var(--space-md);
}

.sidebar-logo h2 {
  font-family: var(--font-heading);
  font-size: 1.25rem;
  color: var(--gold-500);
  letter-spacing: 0.1em;
}

.sidebar-logo p {
  font-size: 0.6875rem;
  color: rgba(252, 250, 246, 0.5);
  text-transform: uppercase;
  letter-spacing: 0.1em;
  margin-top: 4px;
}

.sidebar-nav {
  flex: 1;
}

.sidebar-nav a {
  display: flex;
  align-items: center;
  gap: 10px;
  padding: 10px 12px;
  border-radius: var(--radius);
  color: rgba(252, 250, 246, 0.7);
  font-size: 0.875rem;
  font-weight: 500;
  text-decoration: none;
  transition: background-color 0.2s ease, color 0.2s ease;
  margin-bottom: 4px;
}

.sidebar-nav a:hover {
  background-color: rgba(252, 250, 246, 0.05);
  color: var(--paper-50);
}

.sidebar-nav a.active {
  background-color: rgba(184, 155, 94, 0.15);
  color: var(--gold-500);
}

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

.sidebar-footer {
  border-top: 1px solid rgba(252, 250, 246, 0.1);
  padding-top: var(--space-sm);
}

.sidebar-footer .user-info {
  font-size: 0.75rem;
  color: rgba(252, 250, 246, 0.5);
  margin-bottom: var(--space-xs);
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
}

.sidebar-footer button {
  width: 100%;
  padding: 8px 12px;
  background: none;
  border: 1px solid rgba(252, 250, 246, 0.2);
  border-radius: var(--radius);
  color: rgba(252, 250, 246, 0.7);
  font-size: 0.8125rem;
  cursor: pointer;
  transition: border-color 0.2s ease, color 0.2s ease;
}

.sidebar-footer button:hover {
  border-color: var(--gold-500);
  color: var(--gold-500);
}

.admin-main {
  flex: 1;
  margin-left: 240px;
  padding: var(--space-lg);
  max-width: calc(100% - 240px);
}

/* =========================================
   Dashboard
   ========================================= */

.page-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-bottom: var(--space-lg);
  flex-wrap: wrap;
  gap: var(--space-sm);
}

.page-header h1 {
  font-family: var(--font-heading);
  font-size: 1.75rem;
  font-weight: 400;
}

.stats-row {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: var(--space-md);
  margin-bottom: var(--space-lg);
}

.stat-card {
  background: var(--paper-50);
  border: 1px solid var(--line-200);
  border-radius: var(--radius-lg);
  padding: var(--space-md);
}

.stat-card .stat-label {
  font-size: 0.75rem;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.08em;
  color: var(--slate-600);
  margin-bottom: var(--space-xs);
}

.stat-card .stat-value {
  font-family: var(--font-heading);
  font-size: 2rem;
  color: var(--navy-900);
}

/* =========================================
   Articles table
   ========================================= */

.articles-table-wrapper {
  background: var(--paper-50);
  border: 1px solid var(--line-200);
  border-radius: var(--radius-lg);
  overflow: hidden;
}

.articles-table {
  width: 100%;
  border-collapse: collapse;
}

.articles-table th {
  text-align: left;
  padding: 12px 16px;
  font-size: 0.6875rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.08em;
  color: var(--slate-600);
  background-color: var(--paper-100);
  border-bottom: 1px solid var(--line-200);
}

.articles-table td {
  padding: 14px 16px;
  font-size: 0.875rem;
  border-bottom: 1px solid var(--line-200);
  vertical-align: middle;
}

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

.articles-table tr:hover td {
  background-color: rgba(184, 155, 94, 0.03);
}

.article-title-cell {
  font-weight: 600;
  color: var(--ink-900);
  max-width: 300px;
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
}

.status-badge {
  display: inline-flex;
  align-items: center;
  padding: 3px 10px;
  border-radius: 12px;
  font-size: 0.6875rem;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.04em;
}

.status-badge.published {
  background-color: rgba(45, 138, 78, 0.1);
  color: var(--success);
}

.status-badge.draft {
  background-color: rgba(212, 135, 10, 0.1);
  color: var(--warning);
}

.table-actions {
  display: flex;
  gap: 8px;
}

.table-actions button {
  padding: 6px 10px;
  font-size: 0.75rem;
  border: 1px solid var(--line-200);
  border-radius: var(--radius);
  background: var(--paper-50);
  color: var(--ink-900);
  cursor: pointer;
  transition: border-color 0.2s ease, color 0.2s ease;
}

.table-actions button:hover {
  border-color: var(--gold-500);
  color: var(--gold-500);
}

.table-actions button.delete-btn:hover {
  border-color: var(--error);
  color: var(--error);
}

.empty-state {
  text-align: center;
  padding: var(--space-xl) var(--space-md);
  color: var(--slate-600);
}

.empty-state h3 {
  font-family: var(--font-heading);
  font-size: 1.25rem;
  margin-bottom: var(--space-xs);
  color: var(--ink-900);
}

/* =========================================
   Editor
   ========================================= */

.editor-form {
  background: var(--paper-50);
  border: 1px solid var(--line-200);
  border-radius: var(--radius-lg);
  padding: var(--space-lg);
}

.editor-row {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: var(--space-md);
}

.editor-row-3 {
  display: grid;
  grid-template-columns: 1fr 1fr 1fr;
  gap: var(--space-md);
}

.editor-full {
  grid-column: 1 / -1;
}

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

.quill-wrapper {
  margin-bottom: var(--space-md);
}

.quill-wrapper label {
  display: block;
  font-size: 0.8125rem;
  font-weight: 600;
  color: var(--ink-900);
  margin-bottom: 6px;
  text-transform: uppercase;
  letter-spacing: 0.04em;
}

#editor-container {
  height: 400px;
  background: white;
  border-radius: 0 0 var(--radius) var(--radius);
}

.ql-toolbar.ql-snow {
  border-radius: var(--radius) var(--radius) 0 0;
  border-color: var(--line-200);
}

.ql-container.ql-snow {
  border-color: var(--line-200);
}

.editor-actions {
  display: flex;
  gap: var(--space-sm);
  margin-top: var(--space-lg);
  padding-top: var(--space-md);
  border-top: 1px solid var(--line-200);
}

.faq-section {
  margin-top: var(--space-md);
  padding-top: var(--space-md);
  border-top: 1px solid var(--line-200);
}

.faq-section h3 {
  font-family: var(--font-heading);
  font-size: 1.125rem;
  margin-bottom: var(--space-sm);
}

.faq-item {
  background: var(--paper-100);
  border: 1px solid var(--line-200);
  border-radius: var(--radius);
  padding: var(--space-sm);
  margin-bottom: var(--space-sm);
  position: relative;
}

.faq-item .form-group {
  margin-bottom: var(--space-sm);
}

.faq-item .form-group:last-child {
  margin-bottom: 0;
}

.faq-remove {
  position: absolute;
  top: 8px;
  right: 8px;
  background: none;
  border: none;
  color: var(--error);
  cursor: pointer;
  font-size: 1.25rem;
  line-height: 1;
  padding: 4px;
}

.faq-remove:hover {
  opacity: 0.7;
}

/* =========================================
   Toast notifications
   ========================================= */

.toast-container {
  position: fixed;
  top: var(--space-md);
  right: var(--space-md);
  z-index: 1000;
  display: flex;
  flex-direction: column;
  gap: var(--space-xs);
}

.toast {
  background: var(--paper-50);
  border: 1px solid var(--line-200);
  border-radius: var(--radius);
  padding: 12px 16px;
  box-shadow: var(--shadow-md);
  font-size: 0.875rem;
  display: flex;
  align-items: center;
  gap: 8px;
  animation: toastIn 0.3s ease forwards;
  max-width: 360px;
}

.toast.success {
  border-left: 3px solid var(--success);
}

.toast.error {
  border-left: 3px solid var(--error);
}

@keyframes toastIn {
  from { opacity: 0; transform: translateX(20px); }
  to { opacity: 1; transform: translateX(0); }
}

@keyframes toastOut {
  from { opacity: 1; transform: translateX(0); }
  to { opacity: 0; transform: translateX(20px); }
}

/* =========================================
   Modal
   ========================================= */

.modal-overlay {
  position: fixed;
  inset: 0;
  background: rgba(15, 23, 32, 0.5);
  display: flex;
  align-items: center;
  justify-content: center;
  z-index: 200;
  padding: var(--space-md);
  animation: fadeIn 0.2s ease;
}

.modal {
  background: var(--paper-50);
  border-radius: var(--radius-lg);
  padding: var(--space-lg);
  max-width: 440px;
  width: 100%;
  box-shadow: var(--shadow-md);
}

.modal h3 {
  font-family: var(--font-heading);
  font-size: 1.25rem;
  margin-bottom: var(--space-sm);
}

.modal p {
  color: var(--slate-600);
  font-size: 0.9375rem;
  margin-bottom: var(--space-md);
  line-height: 1.6;
}

.modal-actions {
  display: flex;
  gap: var(--space-sm);
  justify-content: flex-end;
}

@keyframes fadeIn {
  from { opacity: 0; }
  to { opacity: 1; }
}

/* =========================================
   Responsive
   ========================================= */

@media (max-width: 768px) {
  .admin-sidebar {
    display: none;
  }

  .admin-main {
    margin-left: 0;
    max-width: 100%;
    padding: var(--space-md);
  }

  .stats-row {
    grid-template-columns: 1fr;
  }

  .editor-row,
  .editor-row-3 {
    grid-template-columns: 1fr;
  }

  .page-header {
    flex-direction: column;
    align-items: flex-start;
  }
}