/* ══════════════════════════════════════════════════════
   aiTF Knowledge Portal — Apple-style Dark Theme
   Design: pixel-perfect, glassmorphism, SF Pro
   ══════════════════════════════════════════════════════ */

/* 1. RESET & CUSTOM PROPERTIES
   ─────────────────────────────── */
:root {
  --bg-body: linear-gradient(135deg, #1a1a2e 0%, #16213e 50%, #0f3460 100%);
  --bg-glass: rgba(255, 255, 255, 0.05);
  --bg-glass-hover: rgba(255, 255, 255, 0.08);
  --bg-glass-strong: rgba(255, 255, 255, 0.1);
  --bg-input: rgba(255, 255, 255, 0.06);
  --bg-input-focus: rgba(255, 255, 255, 0.1);
  --border-glass: rgba(255, 255, 255, 0.1);
  --border-subtle: rgba(255, 255, 255, 0.06);
  --border-focus: rgba(0, 122, 255, 0.6);

  --text-primary: #f5f5f7;
  --text-secondary: rgba(255, 255, 255, 0.6);
  --text-muted: rgba(255, 255, 255, 0.4);

  --accent: #007AFF;
  --accent-hover: #0a84ff;
  --accent-glow: rgba(0, 122, 255, 0.35);
  --success: #34C759;
  --success-15: rgba(52, 199, 89, 0.15);
  --warning: #FF9F0A;
  --warning-15: rgba(255, 159, 10, 0.15);
  --error: #FF3B30;
  --error-15: rgba(255, 59, 48, 0.15);

  --radius-card: 16px;
  --radius-input: 10px;
  --radius-btn: 10px;
  --radius-badge: 6px;
  --radius-pill: 9999px;

  --shadow-card: 0 2px 8px rgba(0, 0, 0, 0.2), 0 8px 32px rgba(0, 0, 0, 0.15);
  --shadow-card-hover: 0 4px 16px rgba(0, 0, 0, 0.3), 0 12px 40px rgba(0, 0, 0, 0.2);
  --shadow-btn: 0 2px 8px rgba(0, 122, 255, 0.25);
  --shadow-toast: 0 8px 32px rgba(0, 0, 0, 0.4);

  --transition: 0.2s ease;
  --transition-spring: 0.35s cubic-bezier(0.34, 1.56, 0.64, 1);

  --font-sans: -apple-system, BlinkMacSystemFont, 'SF Pro Display', 'Segoe UI', sans-serif;
  --font-mono: 'SF Mono', ui-monospace, 'Cascadia Code', monospace;
}

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

html { height: 100%; }

body {
  min-height: 100vh;
  background: var(--bg-body);
  background-attachment: fixed;
  color: var(--text-primary);
  font-family: var(--font-sans);
  font-size: 15px;
  line-height: 1.5;
  letter-spacing: -0.01em;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}


/* 2. LAYOUT
   ─────────────────────────────── */
.container {
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 24px;
}

.page-wrapper {
  padding: 32px 0 64px;
}

.page-title {
  font-size: 28px;
  font-weight: 700;
  letter-spacing: -0.03em;
  margin-bottom: 32px;
}

.section-title {
  font-size: 18px;
  font-weight: 600;
  letter-spacing: -0.02em;
  margin-bottom: 16px;
  color: var(--text-secondary);
}

.grid-2 {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 16px;
}

.grid-3 {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 16px;
}

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

.flex-between {
  display: flex;
  align-items: center;
  justify-content: space-between;
}

.flex-gap {
  display: flex;
  align-items: center;
  gap: 12px;
}

.mt-16 { margin-top: 16px; }
.mt-24 { margin-top: 24px; }
.mt-32 { margin-top: 32px; }
.mb-16 { margin-bottom: 16px; }


/* 3. GLASS CARD
   ─────────────────────────────── */
.glass-card {
  background: var(--bg-glass);
  backdrop-filter: blur(20px);
  -webkit-backdrop-filter: blur(20px);
  border: 1px solid var(--border-glass);
  border-radius: var(--radius-card);
  padding: 24px;
  box-shadow: var(--shadow-card);
  transition: transform var(--transition), box-shadow 0.3s ease, background 0.3s ease, border-color 0.3s ease;
}

.glass-card:hover {
  transform: translateY(-2px);
  box-shadow: var(--shadow-card-hover);
}

.glass-card-static {
  background: var(--bg-glass);
  backdrop-filter: blur(20px);
  -webkit-backdrop-filter: blur(20px);
  border: 1px solid var(--border-glass);
  border-radius: var(--radius-card);
  padding: 24px;
  box-shadow: var(--shadow-card);
}

.stat-card {
  background: var(--bg-glass);
  backdrop-filter: blur(20px);
  -webkit-backdrop-filter: blur(20px);
  border: 1px solid var(--border-glass);
  border-radius: var(--radius-card);
  padding: 20px;
  box-shadow: var(--shadow-card);
  text-align: center;
}

.stat-card .stat-number {
  font-size: 36px;
  font-weight: 700;
  letter-spacing: -0.04em;
  line-height: 1.1;
}

.stat-card .stat-label {
  font-size: 13px;
  color: var(--text-secondary);
  margin-top: 4px;
  text-transform: uppercase;
  letter-spacing: 0.05em;
}


/* 4. NAVIGATION
   ─────────────────────────────── */
.nav {
  position: sticky;
  top: 0;
  z-index: 100;
  background: rgba(22, 33, 62, 0.8);
  backdrop-filter: blur(20px) saturate(180%);
  -webkit-backdrop-filter: blur(20px) saturate(180%);
  border-bottom: 1px solid var(--border-glass);
  padding: 0;
}

.nav-inner {
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 24px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 52px;
}

.nav-brand {
  font-size: 18px;
  font-weight: 700;
  letter-spacing: -0.02em;
  color: var(--text-primary);
  text-decoration: none;
}

.nav-links {
  display: flex;
  align-items: center;
  gap: 4px;
}

.nav-item {
  display: inline-flex;
  align-items: center;
  padding: 6px 14px;
  font-size: 14px;
  font-weight: 500;
  color: var(--text-secondary);
  text-decoration: none;
  border-radius: 8px;
  transition: color var(--transition), background var(--transition);
}

.nav-item:hover {
  color: var(--text-primary);
  background: rgba(255, 255, 255, 0.06);
}

.nav-active {
  color: var(--accent);
  position: relative;
}

.nav-active::after {
  content: '';
  position: absolute;
  bottom: -1px;
  left: 14px;
  right: 14px;
  height: 2px;
  background: var(--accent);
  border-radius: 2px;
}

.nav-user {
  display: flex;
  align-items: center;
  gap: 16px;
}

.nav-user-name {
  font-size: 13px;
  color: var(--text-secondary);
}

.nav-logout {
  font-size: 13px;
  color: var(--text-secondary);
  background: none;
  border: none;
  cursor: pointer;
  padding: 4px 10px;
  border-radius: 6px;
  transition: color var(--transition), background var(--transition);
  font-family: var(--font-sans);
}

.nav-logout:hover {
  color: var(--error);
  background: var(--error-15);
}


/* 5. BUTTONS
   ─────────────────────────────── */
.btn-primary {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  padding: 10px 20px;
  font-size: 14px;
  font-weight: 600;
  font-family: var(--font-sans);
  color: #fff;
  background: var(--accent);
  border: none;
  border-radius: var(--radius-btn);
  cursor: pointer;
  box-shadow: var(--shadow-btn);
  transition: background var(--transition), transform var(--transition), box-shadow var(--transition);
  text-decoration: none;
  white-space: nowrap;
}

.btn-primary:hover {
  background: var(--accent-hover);
  transform: translateY(-1px);
}

.btn-primary:active {
  transform: translateY(0);
}

.btn-primary:disabled {
  opacity: 0.4;
  cursor: not-allowed;
  transform: none;
}

.btn-secondary {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  padding: 10px 20px;
  font-size: 14px;
  font-weight: 600;
  font-family: var(--font-sans);
  color: var(--text-primary);
  background: var(--bg-glass);
  border: 1px solid var(--border-glass);
  border-radius: var(--radius-btn);
  cursor: pointer;
  transition: background var(--transition), border-color var(--transition);
  text-decoration: none;
  white-space: nowrap;
}

.btn-secondary:hover {
  background: var(--bg-glass-hover);
  border-color: rgba(255, 255, 255, 0.2);
}

.btn-danger {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  padding: 8px 14px;
  font-size: 13px;
  font-weight: 600;
  font-family: var(--font-sans);
  color: var(--error);
  background: var(--error-15);
  border: 1px solid rgba(255, 59, 48, 0.2);
  border-radius: var(--radius-btn);
  cursor: pointer;
  transition: background var(--transition), border-color var(--transition);
  text-decoration: none;
}

.btn-danger:hover {
  background: rgba(255, 59, 48, 0.25);
  border-color: rgba(255, 59, 48, 0.4);
}

.btn-success {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  padding: 8px 14px;
  font-size: 13px;
  font-weight: 600;
  font-family: var(--font-sans);
  color: var(--success);
  background: var(--success-15);
  border: 1px solid rgba(52, 199, 89, 0.2);
  border-radius: var(--radius-btn);
  cursor: pointer;
  transition: background var(--transition), border-color var(--transition);
  text-decoration: none;
}

.btn-success:hover {
  background: rgba(52, 199, 89, 0.25);
  border-color: rgba(52, 199, 89, 0.4);
}

.btn-sm {
  padding: 6px 12px;
  font-size: 12px;
}

.btn-loading {
  pointer-events: none;
  opacity: 0.7;
}

.spinner {
  display: inline-block;
  width: 16px;
  height: 16px;
  border: 2px solid rgba(255, 255, 255, 0.3);
  border-top-color: #fff;
  border-radius: 50%;
  animation: spin 0.6s linear infinite;
}

@keyframes spin {
  to { transform: rotate(360deg); }
}


/* 6. FORMS
   ─────────────────────────────── */
.form-group {
  margin-bottom: 20px;
}

.form-label {
  display: block;
  font-size: 13px;
  font-weight: 600;
  color: var(--text-secondary);
  margin-bottom: 6px;
  letter-spacing: 0.01em;
}

.form-input {
  width: 100%;
  padding: 10px 14px;
  font-size: 15px;
  font-family: var(--font-sans);
  color: var(--text-primary);
  background: var(--bg-input);
  border: 1px solid var(--border-subtle);
  border-radius: var(--radius-input);
  outline: none;
  transition: border-color var(--transition), background var(--transition), box-shadow var(--transition);
}

.form-input:focus {
  background: var(--bg-input-focus);
  border-color: var(--border-focus);
  box-shadow: 0 0 0 3px var(--accent-glow);
}

.form-input::placeholder {
  color: var(--text-muted);
}

textarea.form-input {
  resize: vertical;
  min-height: 80px;
  line-height: 1.5;
}

.form-hint {
  font-size: 12px;
  color: var(--text-muted);
  margin-top: 4px;
}

.char-counter {
  font-size: 12px;
  color: var(--text-muted);
  text-align: right;
  margin-top: 4px;
}

.char-counter.near-limit { color: var(--warning); }
.char-counter.at-limit { color: var(--error); }

.form-inline {
  display: flex;
  align-items: flex-end;
  gap: 12px;
}

.form-inline .form-group {
  margin-bottom: 0;
}


/* 7. BADGES
   ─────────────────────────────── */
.badge {
  display: inline-flex;
  align-items: center;
  padding: 3px 10px;
  font-size: 12px;
  font-weight: 600;
  border-radius: var(--radius-badge);
  letter-spacing: 0.02em;
  white-space: nowrap;
}

.badge-pending {
  color: var(--warning);
  background: var(--warning-15);
}

.badge-active, .badge-completed {
  color: var(--success);
  background: var(--success-15);
}

.badge-failed {
  color: var(--error);
  background: var(--error-15);
}

.badge-submitted {
  color: var(--text-secondary);
  background: rgba(255, 255, 255, 0.08);
}

.badge-processing {
  color: var(--accent);
  background: rgba(0, 122, 255, 0.15);
}


/* 8. TYPE CARDS (task type selector)
   ─────────────────────────────── */
.type-card {
  background: var(--bg-glass);
  backdrop-filter: blur(20px);
  -webkit-backdrop-filter: blur(20px);
  border: 2px solid var(--border-glass);
  border-radius: var(--radius-card);
  padding: 20px;
  cursor: pointer;
  transition: border-color var(--transition), box-shadow var(--transition), transform var(--transition);
  text-align: center;
}

.type-card:hover {
  border-color: rgba(255, 255, 255, 0.2);
  transform: translateY(-2px);
}

.type-card.selected {
  border-color: var(--accent);
  box-shadow: 0 0 0 1px var(--accent), 0 0 20px var(--accent-glow);
}

.type-card-icon {
  font-size: 28px;
  margin-bottom: 8px;
}

.type-card-title {
  font-size: 15px;
  font-weight: 700;
  margin-bottom: 4px;
}

.type-card-desc {
  font-size: 12px;
  color: var(--text-secondary);
  line-height: 1.4;
}


/* 9. TABLES
   ─────────────────────────────── */
.table-wrap {
  overflow-x: auto;
  border-radius: var(--radius-card);
  border: 1px solid var(--border-glass);
}

table {
  width: 100%;
  border-collapse: collapse;
  font-size: 14px;
}

thead th {
  padding: 12px 16px;
  text-align: left;
  font-size: 12px;
  font-weight: 600;
  color: var(--text-muted);
  text-transform: uppercase;
  letter-spacing: 0.06em;
  background: rgba(255, 255, 255, 0.03);
  border-bottom: 1px solid var(--border-glass);
  white-space: nowrap;
}

tbody td {
  padding: 12px 16px;
  border-bottom: 1px solid var(--border-subtle);
  color: var(--text-primary);
}

tbody tr:last-child td {
  border-bottom: none;
}

tbody tr:nth-child(even) {
  background: rgba(255, 255, 255, 0.015);
}

tbody tr:hover {
  background: rgba(255, 255, 255, 0.04);
}


/* 10. FILE BROWSER
   ─────────────────────────────── */
.file-browser {
  border-radius: var(--radius-card);
  border: 1px solid var(--border-glass);
  overflow: hidden;
}

.file-row {
  display: flex;
  align-items: center;
  padding: 12px 16px;
  border-bottom: 1px solid var(--border-subtle);
  cursor: pointer;
  transition: background var(--transition);
  gap: 12px;
  text-decoration: none;
  color: var(--text-primary);
}

.file-row:last-child { border-bottom: none; }

.file-row:hover {
  background: rgba(255, 255, 255, 0.04);
}

.file-icon {
  flex-shrink: 0;
  width: 32px;
  height: 32px;
  display: flex;
  align-items: center;
  justify-content: center;
  border-radius: 8px;
  font-size: 16px;
}

.file-icon-folder {
  background: rgba(0, 122, 255, 0.15);
  color: var(--accent);
}

.file-icon-file {
  background: rgba(255, 255, 255, 0.06);
  color: var(--text-secondary);
}

.file-name {
  flex: 1;
  font-size: 14px;
  font-weight: 500;
}

.file-meta {
  font-size: 12px;
  color: var(--text-muted);
  white-space: nowrap;
}


/* 11. PREVIEW PANEL
   ─────────────────────────────── */
.preview-overlay {
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  background: rgba(0, 0, 0, 0.5);
  z-index: 200;
  opacity: 0;
  pointer-events: none;
  transition: opacity var(--transition);
}

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

.preview-panel {
  position: fixed;
  top: 0;
  right: 0;
  width: 60%;
  max-width: 800px;
  height: 100%;
  background: rgba(22, 33, 62, 0.95);
  backdrop-filter: blur(30px);
  -webkit-backdrop-filter: blur(30px);
  border-left: 1px solid var(--border-glass);
  z-index: 201;
  transform: translateX(100%);
  transition: transform 0.3s cubic-bezier(0.4, 0, 0.2, 1);
  display: flex;
  flex-direction: column;
}

.preview-overlay.active .preview-panel {
  transform: translateX(0);
}

.preview-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 16px 24px;
  border-bottom: 1px solid var(--border-glass);
  flex-shrink: 0;
}

.preview-filename {
  font-size: 15px;
  font-weight: 600;
  flex: 1;
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
  margin-right: 12px;
}

.preview-close {
  background: none;
  border: none;
  color: var(--text-secondary);
  font-size: 20px;
  cursor: pointer;
  padding: 4px 8px;
  border-radius: 6px;
  transition: color var(--transition), background var(--transition);
  font-family: var(--font-sans);
  line-height: 1;
}

.preview-close:hover {
  color: var(--text-primary);
  background: rgba(255, 255, 255, 0.1);
}

.preview-body {
  flex: 1;
  overflow-y: auto;
  padding: 24px;
}


/* 12. MARKDOWN PREVIEW
   ─────────────────────────────── */
.md-preview {
  line-height: 1.7;
  color: var(--text-primary);
}

.md-preview h1 {
  font-size: 28px;
  font-weight: 700;
  letter-spacing: -0.03em;
  margin: 32px 0 16px;
  padding-bottom: 8px;
  border-bottom: 1px solid var(--border-subtle);
}

.md-preview h1:first-child { margin-top: 0; }

.md-preview h2 {
  font-size: 22px;
  font-weight: 700;
  letter-spacing: -0.02em;
  margin: 28px 0 12px;
}

.md-preview h3 {
  font-size: 18px;
  font-weight: 600;
  margin: 24px 0 8px;
}

.md-preview h4, .md-preview h5, .md-preview h6 {
  font-size: 15px;
  font-weight: 600;
  margin: 20px 0 8px;
}

.md-preview p {
  margin: 12px 0;
}

.md-preview a {
  color: var(--accent);
  text-decoration: none;
}

.md-preview a:hover {
  text-decoration: underline;
}

.md-preview code {
  font-family: var(--font-mono);
  font-size: 13px;
  padding: 2px 6px;
  background: rgba(255, 255, 255, 0.08);
  border-radius: 4px;
}

.md-preview pre {
  background: rgba(0, 0, 0, 0.3);
  border: 1px solid var(--border-subtle);
  border-radius: 10px;
  padding: 16px;
  overflow-x: auto;
  margin: 16px 0;
}

.md-preview pre code {
  padding: 0;
  background: none;
  font-size: 13px;
  line-height: 1.6;
}

.md-preview ul, .md-preview ol {
  margin: 12px 0;
  padding-left: 24px;
}

.md-preview li {
  margin: 4px 0;
}

.md-preview blockquote {
  border-left: 3px solid var(--accent);
  margin: 16px 0;
  padding: 8px 16px;
  color: var(--text-secondary);
  background: rgba(0, 122, 255, 0.05);
  border-radius: 0 8px 8px 0;
}

.md-preview table {
  margin: 16px 0;
  border-radius: 8px;
  overflow: hidden;
}

.md-preview table th {
  background: rgba(255, 255, 255, 0.06);
}

.md-preview img {
  max-width: 100%;
  border-radius: 8px;
}

.md-preview hr {
  border: none;
  height: 1px;
  background: var(--border-subtle);
  margin: 24px 0;
}


/* 13. MODAL
   ─────────────────────────────── */
.modal-overlay {
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  background: rgba(0, 0, 0, 0.6);
  z-index: 300;
  display: flex;
  align-items: center;
  justify-content: center;
  opacity: 0;
  pointer-events: none;
  transition: opacity var(--transition);
}

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

.modal {
  background: rgba(30, 40, 70, 0.95);
  backdrop-filter: blur(30px);
  -webkit-backdrop-filter: blur(30px);
  border: 1px solid var(--border-glass);
  border-radius: var(--radius-card);
  padding: 32px;
  max-width: 480px;
  width: calc(100% - 48px);
  box-shadow: 0 16px 48px rgba(0, 0, 0, 0.4);
  transform: scale(0.95);
  transition: transform 0.3s cubic-bezier(0.34, 1.56, 0.64, 1);
}

.modal-overlay.active .modal {
  transform: scale(1);
}

.modal-title {
  font-size: 20px;
  font-weight: 700;
  margin-bottom: 16px;
}

.modal-code {
  font-family: var(--font-mono);
  font-size: 24px;
  font-weight: 700;
  letter-spacing: 0.15em;
  text-align: center;
  padding: 20px;
  background: rgba(0, 0, 0, 0.3);
  border: 1px solid var(--border-glass);
  border-radius: 12px;
  margin: 16px 0;
  user-select: all;
}

.modal-actions {
  display: flex;
  gap: 12px;
  justify-content: flex-end;
  margin-top: 24px;
}


/* 14. TOAST
   ─────────────────────────────── */
.toast-container {
  position: fixed;
  top: 20px;
  right: 20px;
  z-index: 1000;
  display: flex;
  flex-direction: column;
  gap: 8px;
  pointer-events: none;
}

.toast {
  background: rgba(30, 40, 70, 0.95);
  backdrop-filter: blur(20px);
  -webkit-backdrop-filter: blur(20px);
  border: 1px solid var(--border-glass);
  border-radius: 12px;
  padding: 14px 20px;
  font-size: 14px;
  color: var(--text-primary);
  box-shadow: var(--shadow-toast);
  pointer-events: auto;
  animation: toastIn 0.35s cubic-bezier(0.34, 1.56, 0.64, 1);
  max-width: 380px;
}

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

.toast.hiding {
  animation: toastOut 0.25s ease forwards;
}

@keyframes toastIn {
  from {
    opacity: 0;
    transform: translateX(40px) scale(0.95);
  }
  to {
    opacity: 1;
    transform: translateX(0) scale(1);
  }
}

@keyframes toastOut {
  to {
    opacity: 0;
    transform: translateX(40px) scale(0.95);
  }
}


/* 15. BREADCRUMB
   ─────────────────────────────── */
.breadcrumb {
  display: flex;
  align-items: center;
  gap: 4px;
  font-size: 13px;
  color: var(--text-muted);
  margin-bottom: 16px;
  flex-wrap: wrap;
}

.breadcrumb a {
  color: var(--text-secondary);
  text-decoration: none;
  transition: color var(--transition);
}

.breadcrumb a:hover {
  color: var(--accent);
}

.breadcrumb-sep {
  color: var(--text-muted);
  margin: 0 2px;
}

.breadcrumb-current {
  color: var(--text-primary);
  font-weight: 500;
}


/* 16. PROGRESS RING
   ─────────────────────────────── */
.progress-ring-wrap {
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 32px 0;
}

.progress-ring-container {
  position: relative;
  width: 220px;
  height: 220px;
}

.progress-ring-svg {
  transform: rotate(-90deg);
  width: 220px;
  height: 220px;
}

.progress-ring-bg {
  fill: none;
  stroke: rgba(255, 255, 255, 0.06);
  stroke-width: 10;
}

.progress-ring-fill {
  fill: none;
  stroke: var(--accent);
  stroke-width: 10;
  stroke-linecap: round;
  transition: stroke-dashoffset 1s cubic-bezier(0.4, 0, 0.2, 1);
}

.progress-ring-text {
  position: absolute;
  top: 50%;
  left: 50%;
  transform: translate(-50%, -50%);
  text-align: center;
}

.progress-ring-value {
  font-size: 32px;
  font-weight: 700;
  letter-spacing: -0.03em;
  line-height: 1.2;
}

.progress-ring-label {
  font-size: 13px;
  color: var(--text-secondary);
}


/* 17. EMPTY STATE
   ─────────────────────────────── */
.empty-state {
  text-align: center;
  padding: 48px 24px;
  color: var(--text-muted);
}

.empty-state-icon {
  font-size: 48px;
  margin-bottom: 16px;
  opacity: 0.5;
}

.empty-state-text {
  font-size: 15px;
  max-width: 360px;
  margin: 0 auto;
  line-height: 1.6;
}


/* 18. TAB SWITCHER (segmented control)
   ─────────────────────────────── */
.tabs {
  display: inline-flex;
  background: rgba(255, 255, 255, 0.06);
  border-radius: 10px;
  padding: 3px;
  margin-bottom: 24px;
}

.tab-btn {
  padding: 8px 20px;
  font-size: 14px;
  font-weight: 600;
  font-family: var(--font-sans);
  color: var(--text-secondary);
  background: none;
  border: none;
  border-radius: 8px;
  cursor: pointer;
  transition: color var(--transition), background var(--transition);
  white-space: nowrap;
}

.tab-btn:hover {
  color: var(--text-primary);
}

.tab-btn.active {
  color: var(--text-primary);
  background: rgba(255, 255, 255, 0.12);
}

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


/* 19. INLINE EDIT
   ─────────────────────────────── */
.inline-edit {
  display: inline-flex;
  align-items: center;
  gap: 6px;
}

.inline-edit-input {
  width: 80px;
  padding: 4px 8px;
  font-size: 13px;
  font-family: var(--font-sans);
  color: var(--text-primary);
  background: var(--bg-input);
  border: 1px solid var(--border-subtle);
  border-radius: 6px;
  outline: none;
  transition: border-color var(--transition);
}

.inline-edit-input:focus {
  border-color: var(--border-focus);
}

.inline-edit-save {
  padding: 4px 8px;
  font-size: 11px;
  font-weight: 700;
  font-family: var(--font-sans);
  color: var(--accent);
  background: rgba(0, 122, 255, 0.15);
  border: none;
  border-radius: 6px;
  cursor: pointer;
  transition: background var(--transition);
}

.inline-edit-save:hover {
  background: rgba(0, 122, 255, 0.25);
}


/* 20. ROW STATES
   ─────────────────────────────── */
tr.row-pending td:first-child {
  box-shadow: inset 3px 0 0 var(--warning);
}

tr.row-suspended {
  opacity: 0.55;
}


/* 21. AUTH LAYOUT (centered card)
   ─────────────────────────────── */
.auth-wrapper {
  min-height: 100vh;
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 24px;
}

.auth-card {
  width: 100%;
  max-width: 400px;
}

.auth-title {
  font-size: 28px;
  font-weight: 700;
  letter-spacing: -0.03em;
  text-align: center;
  margin-bottom: 8px;
}

.auth-title-gradient {
  background: linear-gradient(135deg, #f5f5f7 0%, #a0c4ff 50%, #007AFF 100%);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

.auth-subtitle {
  text-align: center;
  font-size: 14px;
  color: var(--text-secondary);
  margin-bottom: 32px;
}

.auth-link {
  display: block;
  text-align: center;
  margin-top: 20px;
  font-size: 14px;
  color: var(--text-secondary);
}

.auth-link a {
  color: var(--accent);
  text-decoration: none;
}

.auth-link a:hover {
  text-decoration: underline;
}

.auth-success {
  text-align: center;
  padding: 24px 0;
}

.auth-success-icon {
  font-size: 48px;
  margin-bottom: 16px;
}

.auth-success-text {
  font-size: 15px;
  color: var(--text-secondary);
  line-height: 1.6;
}


/* 22. SCROLLBAR
   ─────────────────────────────── */
::-webkit-scrollbar {
  width: 6px;
  height: 6px;
}

::-webkit-scrollbar-track {
  background: transparent;
}

::-webkit-scrollbar-thumb {
  background: rgba(255, 255, 255, 0.15);
  border-radius: 3px;
}

::-webkit-scrollbar-thumb:hover {
  background: rgba(255, 255, 255, 0.25);
}


/* 23. RESPONSIVE
   ─────────────────────────────── */
@media (max-width: 768px) {
  .container {
    padding: 0 16px;
  }

  .grid-2, .grid-3, .grid-4 {
    grid-template-columns: 1fr;
  }

  .nav-inner {
    padding: 0 16px;
  }

  .nav-links {
    gap: 0;
  }

  .nav-item {
    padding: 6px 10px;
    font-size: 13px;
  }

  .nav-user-name {
    display: none;
  }

  .theme-toggle {
    margin-left: 4px;
    width: 32px;
    height: 32px;
  }

  .page-title {
    font-size: 22px;
  }

  .preview-panel {
    width: 100%;
    max-width: none;
  }

  .form-inline {
    flex-direction: column;
    align-items: stretch;
  }

  .stat-card .stat-number {
    font-size: 28px;
  }

  .progress-ring-container {
    width: 180px;
    height: 180px;
  }

  .progress-ring-svg {
    width: 180px;
    height: 180px;
  }

  .auth-card {
    max-width: 100%;
  }

  .modal {
    max-width: calc(100% - 32px);
    padding: 24px;
  }

  table {
    font-size: 13px;
  }

  thead th, tbody td {
    padding: 10px 12px;
  }

  .type-card {
    padding: 16px;
  }
}

@media (max-width: 480px) {
  .grid-3 {
    grid-template-columns: 1fr;
  }
}


/* 24. LIGHT THEME
   ─────────────────────────────── */
[data-theme="light"] {
  --bg-body: linear-gradient(135deg, #f2f2f7 0%, #e8ecf1 50%, #dde3ed 100%);
  --bg-glass: rgba(255, 255, 255, 0.72);
  --bg-glass-hover: rgba(255, 255, 255, 0.85);
  --bg-glass-strong: rgba(255, 255, 255, 0.92);
  --bg-input: rgba(0, 0, 0, 0.03);
  --bg-input-focus: #ffffff;
  --border-glass: rgba(0, 0, 0, 0.08);
  --border-subtle: rgba(0, 0, 0, 0.05);
  --border-focus: rgba(0, 122, 255, 0.5);

  --text-primary: #1d1d1f;
  --text-secondary: #636366;
  --text-muted: #86868b;

  --accent: #007AFF;
  --accent-hover: #0066D6;
  --accent-glow: rgba(0, 122, 255, 0.2);
  --success: #248A3D;
  --success-15: rgba(36, 138, 61, 0.1);
  --warning: #C77A00;
  --warning-15: rgba(199, 122, 0, 0.1);
  --error: #D70015;
  --error-15: rgba(215, 0, 21, 0.08);

  --shadow-card: 0 1px 3px rgba(0, 0, 0, 0.04), 0 4px 16px rgba(0, 0, 0, 0.03);
  --shadow-card-hover: 0 2px 8px rgba(0, 0, 0, 0.06), 0 8px 24px rgba(0, 0, 0, 0.05);
  --shadow-btn: 0 1px 4px rgba(0, 122, 255, 0.18);
  --shadow-toast: 0 4px 24px rgba(0, 0, 0, 0.12);
}

/* Light overrides for components needing more than variable swaps */
[data-theme="light"] .nav {
  background: rgba(255, 255, 255, 0.82);
  border-bottom-color: rgba(0, 0, 0, 0.08);
}

[data-theme="light"] .nav-item:hover {
  background: rgba(0, 0, 0, 0.04);
}

[data-theme="light"] .nav-active {
  color: var(--accent);
}

[data-theme="light"] thead th {
  background: rgba(0, 0, 0, 0.02);
  color: var(--text-secondary);
}

[data-theme="light"] tbody tr:hover {
  background: rgba(0, 0, 0, 0.02);
}

[data-theme="light"] .file-row:hover {
  background: rgba(0, 0, 0, 0.03);
}

[data-theme="light"] .file-icon-folder {
  background: rgba(0, 122, 255, 0.1);
}

[data-theme="light"] .file-icon-file {
  background: rgba(0, 0, 0, 0.04);
  color: var(--text-secondary);
}

[data-theme="light"] .preview-panel {
  background: rgba(255, 255, 255, 0.96);
}

[data-theme="light"] .preview-overlay .preview-panel {
  border-left-color: rgba(0, 0, 0, 0.08);
}

[data-theme="light"] .modal {
  background: rgba(255, 255, 255, 0.96);
}

[data-theme="light"] .modal-code {
  background: rgba(0, 0, 0, 0.04);
  border-color: rgba(0, 0, 0, 0.08);
  color: var(--text-primary);
}

[data-theme="light"] .toast {
  background: rgba(255, 255, 255, 0.96);
  border-color: rgba(0, 0, 0, 0.06);
}

[data-theme="light"] .tabs {
  background: rgba(0, 0, 0, 0.04);
}

[data-theme="light"] .tab-btn.active {
  background: #ffffff;
  box-shadow: 0 1px 3px rgba(0, 0, 0, 0.08);
}

[data-theme="light"] .btn-secondary {
  border-color: rgba(0, 0, 0, 0.12);
}

[data-theme="light"] .btn-secondary:hover {
  background: rgba(0, 0, 0, 0.04);
  border-color: rgba(0, 0, 0, 0.2);
}

[data-theme="light"] .type-card {
  border-color: rgba(0, 0, 0, 0.1);
}

[data-theme="light"] .type-card:hover {
  border-color: rgba(0, 0, 0, 0.18);
}

[data-theme="light"] .type-card.selected {
  border-color: var(--accent);
  box-shadow: 0 0 0 1px var(--accent), 0 0 12px rgba(0, 122, 255, 0.15);
}

[data-theme="light"] .progress-ring-bg {
  stroke: rgba(0, 0, 0, 0.1);
}

[data-theme="light"] .md-preview code {
  background: rgba(0, 0, 0, 0.05);
}

[data-theme="light"] .md-preview pre {
  background: rgba(0, 0, 0, 0.03);
  border-color: rgba(0, 0, 0, 0.08);
}

[data-theme="light"] .md-preview blockquote {
  background: rgba(0, 122, 255, 0.04);
  color: var(--text-secondary);
}

[data-theme="light"] .md-preview table th {
  background: rgba(0, 0, 0, 0.03);
}

[data-theme="light"] .spinner {
  border-color: rgba(0, 122, 255, 0.2);
  border-top-color: var(--accent);
}

[data-theme="light"] .glass-card-static,
[data-theme="light"] .stat-card {
  box-shadow: 0 1px 2px rgba(0, 0, 0, 0.04), 0 2px 8px rgba(0, 0, 0, 0.02);
}

[data-theme="light"] .table-wrap {
  border-color: rgba(0, 0, 0, 0.1);
}

[data-theme="light"] tbody tr:nth-child(even) {
  background: rgba(0, 0, 0, 0.015);
}

[data-theme="light"] tbody tr:hover {
  background: rgba(0, 0, 0, 0.03);
}

[data-theme="light"] tbody td {
  border-bottom-color: rgba(0, 0, 0, 0.06);
}

[data-theme="light"] .file-browser {
  border-color: rgba(0, 0, 0, 0.1);
}

[data-theme="light"] .file-row {
  border-bottom-color: rgba(0, 0, 0, 0.06);
}

[data-theme="light"] .breadcrumb a {
  color: var(--text-secondary);
}

[data-theme="light"] .breadcrumb-current {
  color: var(--text-primary);
}

[data-theme="light"] .auth-title-gradient {
  background: linear-gradient(135deg, #1d1d1f 0%, #2a5f9e 50%, #007AFF 100%);
  -webkit-background-clip: text;
  background-clip: text;
}

[data-theme="light"] .badge-pending {
  color: #7A5200;
  background: rgba(255, 159, 10, 0.12);
}

[data-theme="light"] .badge-active,
[data-theme="light"] .badge-completed {
  color: #1B6C2E;
  background: rgba(52, 199, 89, 0.1);
}

[data-theme="light"] .badge-failed {
  color: #C41E1E;
  background: rgba(255, 59, 48, 0.08);
}

[data-theme="light"] .badge-submitted {
  color: #48484a;
  background: rgba(0, 0, 0, 0.06);
}

[data-theme="light"] .preview-overlay {
  background: rgba(0, 0, 0, 0.3);
}

[data-theme="light"] .badge-processing {
  color: #0055B3;
  background: rgba(0, 122, 255, 0.08);
}

[data-theme="light"] .btn-danger {
  color: #D70015;
  background: rgba(215, 0, 21, 0.06);
  border-color: rgba(215, 0, 21, 0.12);
}

[data-theme="light"] .btn-danger:hover {
  background: rgba(215, 0, 21, 0.12);
  border-color: rgba(215, 0, 21, 0.2);
}

[data-theme="light"] .btn-success {
  color: #248A3D;
  background: rgba(36, 138, 61, 0.06);
  border-color: rgba(36, 138, 61, 0.12);
}

[data-theme="light"] .btn-success:hover {
  background: rgba(36, 138, 61, 0.12);
  border-color: rgba(36, 138, 61, 0.2);
}

[data-theme="light"] .nav-logout:hover {
  color: #D70015;
  background: rgba(215, 0, 21, 0.06);
}

[data-theme="light"] .inline-edit-input {
  background: #ffffff;
  border-color: rgba(0, 0, 0, 0.12);
  color: var(--text-primary);
}

[data-theme="light"] tr.row-pending td:first-child {
  box-shadow: inset 3px 0 0 var(--warning);
}

[data-theme="light"] ::-webkit-scrollbar-thumb {
  background: rgba(0, 0, 0, 0.12);
}

[data-theme="light"] ::-webkit-scrollbar-thumb:hover {
  background: rgba(0, 0, 0, 0.2);
}

/* Auto-detect system preference when no explicit choice.
   Uses :root:not([data-theme="dark"]) so explicit toggle wins.
   Must mirror ALL [data-theme="light"] variable + component overrides. */
@media (prefers-color-scheme: light) {
  :root:not([data-theme="dark"]) {
    --bg-body: linear-gradient(135deg, #f2f2f7 0%, #e8ecf1 50%, #dde3ed 100%);
    --bg-glass: rgba(255, 255, 255, 0.72);
    --bg-glass-hover: rgba(255, 255, 255, 0.85);
    --bg-glass-strong: rgba(255, 255, 255, 0.92);
    --bg-input: rgba(0, 0, 0, 0.03);
    --bg-input-focus: #ffffff;
    --border-glass: rgba(0, 0, 0, 0.08);
    --border-subtle: rgba(0, 0, 0, 0.05);
    --border-focus: rgba(0, 122, 255, 0.5);
    --text-primary: #1d1d1f;
    --text-secondary: #636366;
    --text-muted: #86868b;
    --accent: #007AFF;
    --accent-hover: #0066D6;
    --accent-glow: rgba(0, 122, 255, 0.2);
    --success: #248A3D;
    --success-15: rgba(36, 138, 61, 0.1);
    --warning: #C77A00;
    --warning-15: rgba(199, 122, 0, 0.1);
    --error: #D70015;
    --error-15: rgba(215, 0, 21, 0.08);
    --shadow-card: 0 1px 3px rgba(0, 0, 0, 0.04), 0 4px 16px rgba(0, 0, 0, 0.03);
    --shadow-card-hover: 0 2px 8px rgba(0, 0, 0, 0.06), 0 8px 24px rgba(0, 0, 0, 0.05);
    --shadow-btn: 0 1px 4px rgba(0, 122, 255, 0.18);
    --shadow-toast: 0 4px 24px rgba(0, 0, 0, 0.12);
  }

  /* Component overrides for system light preference */
  :root:not([data-theme="dark"]) .nav {
    background: rgba(255, 255, 255, 0.82);
    border-bottom-color: rgba(0, 0, 0, 0.08);
  }
  :root:not([data-theme="dark"]) .nav-item:hover {
    background: rgba(0, 0, 0, 0.04);
  }
  :root:not([data-theme="dark"]) .nav-active {
    color: var(--accent);
  }
  :root:not([data-theme="dark"]) thead th {
    background: rgba(0, 0, 0, 0.02);
    color: var(--text-secondary);
  }
  :root:not([data-theme="dark"]) tbody tr:hover {
    background: rgba(0, 0, 0, 0.02);
  }
  :root:not([data-theme="dark"]) .file-row:hover {
    background: rgba(0, 0, 0, 0.03);
  }
  :root:not([data-theme="dark"]) .file-icon-folder {
    background: rgba(0, 122, 255, 0.1);
  }
  :root:not([data-theme="dark"]) .file-icon-file {
    background: rgba(0, 0, 0, 0.04);
    color: var(--text-secondary);
  }
  :root:not([data-theme="dark"]) .preview-panel {
    background: rgba(255, 255, 255, 0.96);
  }
  :root:not([data-theme="dark"]) .preview-overlay .preview-panel {
    border-left-color: rgba(0, 0, 0, 0.08);
  }
  :root:not([data-theme="dark"]) .preview-overlay {
    background: rgba(0, 0, 0, 0.3);
  }
  :root:not([data-theme="dark"]) .modal {
    background: rgba(255, 255, 255, 0.96);
  }
  :root:not([data-theme="dark"]) .modal-code {
    background: rgba(0, 0, 0, 0.04);
    border-color: rgba(0, 0, 0, 0.08);
    color: var(--text-primary);
  }
  :root:not([data-theme="dark"]) .toast {
    background: rgba(255, 255, 255, 0.96);
    border-color: rgba(0, 0, 0, 0.06);
  }
  :root:not([data-theme="dark"]) .tabs {
    background: rgba(0, 0, 0, 0.04);
  }
  :root:not([data-theme="dark"]) .tab-btn.active {
    background: #ffffff;
    box-shadow: 0 1px 3px rgba(0, 0, 0, 0.08);
  }
  :root:not([data-theme="dark"]) .btn-secondary {
    border-color: rgba(0, 0, 0, 0.12);
  }
  :root:not([data-theme="dark"]) .btn-secondary:hover {
    background: rgba(0, 0, 0, 0.04);
    border-color: rgba(0, 0, 0, 0.2);
  }
  :root:not([data-theme="dark"]) .type-card {
    border-color: rgba(0, 0, 0, 0.1);
  }
  :root:not([data-theme="dark"]) .type-card:hover {
    border-color: rgba(0, 0, 0, 0.18);
  }
  :root:not([data-theme="dark"]) .type-card.selected {
    border-color: var(--accent);
    box-shadow: 0 0 0 1px var(--accent), 0 0 12px rgba(0, 122, 255, 0.15);
  }
  :root:not([data-theme="dark"]) .progress-ring-bg {
    stroke: rgba(0, 0, 0, 0.1);
  }
  :root:not([data-theme="dark"]) .md-preview code {
    background: rgba(0, 0, 0, 0.05);
  }
  :root:not([data-theme="dark"]) .md-preview pre {
    background: rgba(0, 0, 0, 0.03);
    border-color: rgba(0, 0, 0, 0.08);
  }
  :root:not([data-theme="dark"]) .md-preview blockquote {
    background: rgba(0, 122, 255, 0.04);
    color: var(--text-secondary);
  }
  :root:not([data-theme="dark"]) .md-preview table th {
    background: rgba(0, 0, 0, 0.03);
  }
  :root:not([data-theme="dark"]) .spinner {
    border-color: rgba(0, 122, 255, 0.2);
    border-top-color: var(--accent);
  }
  :root:not([data-theme="dark"]) .auth-title-gradient {
    background: linear-gradient(135deg, #1d1d1f 0%, #3a6ea5 50%, #007AFF 100%);
    -webkit-background-clip: text;
    background-clip: text;
  }
  :root:not([data-theme="dark"]) .badge-pending {
    color: #7A5200;
    background: rgba(255, 159, 10, 0.12);
  }
  :root:not([data-theme="dark"]) .badge-active,
  :root:not([data-theme="dark"]) .badge-completed {
    color: #1B6C2E;
    background: rgba(52, 199, 89, 0.1);
  }
  :root:not([data-theme="dark"]) .badge-failed {
    color: #C41E1E;
    background: rgba(255, 59, 48, 0.08);
  }
  :root:not([data-theme="dark"]) .badge-submitted {
    color: #48484a;
    background: rgba(0, 0, 0, 0.06);
  }
  :root:not([data-theme="dark"]) .badge-processing {
    color: #0055B3;
    background: rgba(0, 122, 255, 0.08);
  }
  :root:not([data-theme="dark"]) .btn-danger {
    color: #D70015;
    background: rgba(215, 0, 21, 0.06);
    border-color: rgba(215, 0, 21, 0.12);
  }
  :root:not([data-theme="dark"]) .btn-danger:hover {
    background: rgba(215, 0, 21, 0.12);
    border-color: rgba(215, 0, 21, 0.2);
  }
  :root:not([data-theme="dark"]) .btn-success {
    color: #248A3D;
    background: rgba(36, 138, 61, 0.06);
    border-color: rgba(36, 138, 61, 0.12);
  }
  :root:not([data-theme="dark"]) .btn-success:hover {
    background: rgba(36, 138, 61, 0.12);
    border-color: rgba(36, 138, 61, 0.2);
  }
  :root:not([data-theme="dark"]) .nav-logout:hover {
    color: #D70015;
    background: rgba(215, 0, 21, 0.06);
  }
  :root:not([data-theme="dark"]) .inline-edit-input {
    background: #ffffff;
    border-color: rgba(0, 0, 0, 0.12);
    color: var(--text-primary);
  }
  :root:not([data-theme="dark"]) tr.row-pending td:first-child {
    box-shadow: inset 3px 0 0 var(--warning);
  }
  :root:not([data-theme="dark"]) .theme-toggle:hover {
    border-color: rgba(0, 0, 0, 0.15);
  }
  :root:not([data-theme="dark"]) ::-webkit-scrollbar-thumb {
    background: rgba(0, 0, 0, 0.12);
  }
  :root:not([data-theme="dark"]) ::-webkit-scrollbar-thumb:hover {
    background: rgba(0, 0, 0, 0.2);
  }
  :root:not([data-theme="dark"]) .glass-card-static,
  :root:not([data-theme="dark"]) .stat-card {
    box-shadow: 0 1px 2px rgba(0, 0, 0, 0.04), 0 2px 8px rgba(0, 0, 0, 0.02);
  }
  :root:not([data-theme="dark"]) .table-wrap {
    border-color: rgba(0, 0, 0, 0.1);
  }
  :root:not([data-theme="dark"]) .file-browser {
    border-color: rgba(0, 0, 0, 0.1);
  }
  :root:not([data-theme="dark"]) .file-row {
    border-bottom-color: rgba(0, 0, 0, 0.06);
  }
  :root:not([data-theme="dark"]) tbody tr:nth-child(even) {
    background: rgba(0, 0, 0, 0.015);
  }
  :root:not([data-theme="dark"]) tbody td {
    border-bottom-color: rgba(0, 0, 0, 0.06);
  }
}

/* Theme toggle button */
.theme-toggle {
  background: none;
  border: 1px solid var(--border-glass);
  color: var(--text-secondary);
  width: 34px;
  height: 34px;
  border-radius: 8px;
  cursor: pointer;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  font-size: 16px;
  transition: color var(--transition), background var(--transition), border-color var(--transition);
  flex-shrink: 0;
  line-height: 1;
  padding: 0;
  margin-left: 8px;
}

.theme-toggle:hover {
  color: var(--text-primary);
  background: var(--bg-glass-hover);
  border-color: rgba(255, 255, 255, 0.2);
}

[data-theme="light"] .theme-toggle:hover {
  border-color: rgba(0, 0, 0, 0.15);
}


/* 24b. FOCUS-VISIBLE (keyboard accessibility)
   ─────────────────────────────── */
.btn-primary:focus-visible,
.btn-secondary:focus-visible,
.btn-danger:focus-visible,
.btn-success:focus-visible,
.theme-toggle:focus-visible,
.nav-item:focus-visible,
.nav-logout:focus-visible,
.tab-btn:focus-visible,
.type-card:focus-visible,
.file-row:focus-visible,
.preview-close:focus-visible {
  outline: 2px solid var(--accent);
  outline-offset: 2px;
}

.form-input:focus-visible {
  outline: none; /* focus ring handled by box-shadow */
}


/* 25. THEME TRANSITION
   ─────────────────────────────── */
.nav,
.glass-card,
.glass-card-static,
.stat-card,
.toast,
.modal,
.preview-panel,
.tabs,
.tab-btn,
.badge,
.btn-secondary,
.btn-danger,
.btn-success,
.form-input,
.file-row,
.type-card,
.inline-edit-input,
.theme-toggle {
  transition: background 0.3s ease, color 0.3s ease, border-color 0.3s ease, box-shadow 0.3s ease;
}


/* 26. ANIMATIONS
   ─────────────────────────────── */
@keyframes fadeIn {
  from { opacity: 0; transform: translateY(8px); }
  to { opacity: 1; transform: translateY(0); }
}

.fade-in {
  animation: fadeIn 0.4s ease;
}

.page-wrapper > * {
  animation: fadeIn 0.4s ease backwards;
}

.page-wrapper > *:nth-child(1) { animation-delay: 0.05s; }
.page-wrapper > *:nth-child(2) { animation-delay: 0.1s; }
.page-wrapper > *:nth-child(3) { animation-delay: 0.15s; }
.page-wrapper > *:nth-child(4) { animation-delay: 0.2s; }
.page-wrapper > *:nth-child(5) { animation-delay: 0.25s; }