/* ==========================================================================
   자녀 성장 포트폴리오 · 활동일지 시스템 Design System & Stylesheet
   Modern React-SPA aesthetic with Vanilla CSS
   ========================================================================== */

@import url('https://fonts.googleapis.com/css2?family=Pretendard:wght@300;400;500;600;700;800&family=Outfit:wght@500;600;700&display=swap');

:root {
  /* Core Color Palette */
  --primary: #3b82f6;
  --primary-hover: #2563eb;
  --primary-light: #eff6ff;
  --primary-border: #bfdbfe;
  
  /* Child Section (Warm & Encouraging) */
  --child-bg: #fffbeb;
  --child-card: #fef3c7;
  --child-border: #fde68a;
  --child-text: #92400e;
  --child-accent: #f59e0b;

  /* Dad Section (Cool & Analytical) */
  --dad-bg: #f8fafc;
  --dad-card: #e2e8f0;
  --dad-border: #cbd5e1;
  --dad-text: #1e293b;
  --dad-accent: #475569;

  /* Status Colors */
  --success: #10b981;
  --success-light: #ecfdf5;
  --warning: #f59e0b;
  --warning-light: #fffbeb;
  --danger: #ef4444;
  --danger-light: #fef2f2;
  --info: #06b6d4;
  --info-light: #ecfeff;

  /* Neutrals & Surfaces */
  --bg-app: #f8fafc;
  --bg-card: #ffffff;
  --bg-card-hover: #ffffff;
  --border-color: #e2e8f0;
  --border-subtle: #f1f5f9;
  
  --text-main: #0f172a;
  --text-secondary: #475569;
  --text-muted: #94a3b8;

  /* Typography */
  --font-main: 'Pretendard', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
  --font-brand: 'Outfit', 'Pretendard', sans-serif;

  /* Elevation & Effects */
  --shadow-sm: 0 1px 2px 0 rgb(0 0 0 / 0.05);
  --shadow-md: 0 4px 6px -1px rgb(0 0 0 / 0.07), 0 2px 4px -2px rgb(0 0 0 / 0.05);
  --shadow-lg: 0 10px 15px -3px rgb(0 0 0 / 0.08), 0 4px 6px -4px rgb(0 0 0 / 0.05);
  --shadow-xl: 0 20px 25px -5px rgb(0 0 0 / 0.09), 0 8px 10px -6px rgb(0 0 0 / 0.04);
  
  --radius-sm: 8px;
  --radius-md: 12px;
  --radius-lg: 16px;
  --radius-xl: 24px;
  --radius-pill: 9999px;

  --transition: all 0.2s cubic-bezier(0.4, 0, 0.2, 1);
}

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

body {
  font-family: var(--font-main);
  background-color: var(--bg-app);
  color: var(--text-main);
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
  min-height: 100vh;
  display: flex;
  flex-direction: column;
}

a {
  color: inherit;
  text-decoration: none;
}

button, input, select, textarea {
  font: inherit;
}

/* Layout Container */
.container {
  width: 100%;
  max-width: 1180px;
  margin: 0 auto;
  padding: 0 24px;
}

/* Global Header / Navbar */
.navbar {
  background: rgba(255, 255, 255, 0.85);
  backdrop-filter: blur(12px);
  border-bottom: 1px solid var(--border-color);
  position: sticky;
  top: 0;
  z-index: 100;
  transition: var(--transition);
}

.navbar-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 68px;
}

.brand {
  display: flex;
  align-items: center;
  gap: 12px;
  font-family: var(--font-brand);
  font-weight: 700;
  font-size: 1.25rem;
  color: var(--text-main);
}

.brand-icon {
  width: 36px;
  height: 36px;
  background: linear-gradient(135deg, #3b82f6 0%, #8b5cf6 100%);
  color: white;
  border-radius: var(--radius-md);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.2rem;
  box-shadow: 0 4px 10px rgba(59, 130, 246, 0.3);
}

.nav-links {
  display: flex;
  align-items: center;
  gap: 4px;
  list-style: none;
}

.nav-item a {
  padding: 7px 13px;
  border-radius: 20px;
  font-weight: 600;
  font-size: 0.9rem;
  color: var(--text-secondary);
  transition: all 0.2s ease;
  display: flex;
  align-items: center;
  gap: 6px;
  text-decoration: none;
}

.nav-item a:hover {
  color: var(--primary);
  background-color: #f1f5f9;
}

.nav-item.active a {
  color: var(--primary);
  background-color: #e0e7ff;
  font-weight: 700;
  box-shadow: 0 1px 3px rgba(79, 70, 229, 0.12);
}

.nav-actions {
  display: flex;
  align-items: center;
  gap: 10px;
}

/* Main Content Area */
.main-content {
  flex: 1;
  padding: 32px 0 64px 0;
}

/* Alert Messages */
.messages-container {
  margin-bottom: 24px;
}

.alert {
  padding: 14px 20px;
  border-radius: var(--radius-md);
  margin-bottom: 12px;
  font-size: 0.95rem;
  display: flex;
  align-items: center;
  justify-content: space-between;
  box-shadow: var(--shadow-sm);
  animation: slideDown 0.3s ease-out;
}

@keyframes slideDown {
  from { opacity: 0; transform: translateY(-8px); }
  to { opacity: 1; transform: translateY(0); }
}

.alert-success { background: #ecfdf5; color: #065f46; border: 1px solid #a7f3d0; }
.alert-error { background: #fef2f2; color: #991b1b; border: 1px solid #fecaca; }
.alert-info { background: #eff6ff; color: #1e40af; border: 1px solid #bfdbfe; }
.alert-warning { background: #fffbeb; color: #92400e; border: 1px solid #fde68a; }

/* Cards & Surface Elements */
.card {
  background: var(--bg-card);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-lg);
  padding: 24px;
  box-shadow: var(--shadow-sm);
  transition: var(--transition);
}

.card:hover {
  box-shadow: var(--shadow-md);
}

.card-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-bottom: 18px;
}

.card-title {
  font-size: 1.25rem;
  font-weight: 700;
  color: var(--text-main);
}

/* Badges & Chips */
.badge {
  display: inline-flex;
  align-items: center;
  gap: 4px;
  padding: 4px 10px;
  border-radius: var(--radius-pill);
  font-size: 0.8rem;
  font-weight: 600;
  line-height: 1;
}

.badge-primary { background: var(--primary-light); color: var(--primary); }
.badge-success { background: var(--success-light); color: var(--success); }
.badge-warning { background: var(--warning-light); color: var(--warning); }
.badge-danger { background: var(--danger-light); color: var(--danger); }
.badge-gray { background: #f1f5f9; color: #475569; }

.tag-chip {
  display: inline-flex;
  align-items: center;
  gap: 5px;
  padding: 4px 10px;
  border-radius: var(--radius-pill);
  font-size: 0.8rem;
  font-weight: 500;
  background: #f1f5f9;
  color: var(--text-secondary);
}

.tag-dot {
  width: 8px;
  height: 8px;
  border-radius: 50%;
}

/* Buttons */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  padding: 10px 18px;
  border-radius: var(--radius-md);
  font-size: 0.95rem;
  font-weight: 600;
  cursor: pointer;
  border: 1px solid transparent;
  transition: var(--transition);
  text-decoration: none;
  line-height: 1.2;
}

.btn:active {
  transform: scale(0.98);
}

.btn-primary {
  background: var(--primary);
  color: white;
  box-shadow: 0 2px 4px rgba(59, 130, 246, 0.25);
}

.btn-primary:hover {
  background: var(--primary-hover);
  box-shadow: 0 4px 8px rgba(59, 130, 246, 0.35);
}

.btn-secondary {
  background: white;
  color: var(--text-secondary);
  border: 1px solid var(--border-color);
}

.btn-secondary:hover {
  background: #f8fafc;
  color: var(--text-main);
  border-color: #cbd5e1;
}

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

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

.btn-lg {
  padding: 14px 24px;
  font-size: 1.05rem;
  border-radius: var(--radius-lg);
}

.btn-sm {
  padding: 6px 12px;
  font-size: 0.85rem;
  border-radius: var(--radius-sm);
}

/* Forms */
.form-group {
  margin-bottom: 20px;
}

.form-label {
  display: block;
  font-weight: 600;
  font-size: 0.95rem;
  margin-bottom: 8px;
  color: var(--text-main);
}

.form-help {
  font-size: 0.85rem;
  color: var(--text-muted);
  margin-top: 5px;
}

.form-control, .form-select {
  width: 100%;
  padding: 12px 16px;
  border: 1px solid var(--border-color);
  border-radius: var(--radius-md);
  background: white;
  color: var(--text-main);
  font-size: 0.95rem;
  transition: var(--transition);
}

.form-control:focus, .form-select:focus {
  outline: none;
  border-color: var(--primary);
  box-shadow: 0 0 0 3px rgba(59, 130, 246, 0.15);
}

/* Stats Grid */
.stats-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
  gap: 18px;
  margin-bottom: 32px;
}

.stat-card {
  background: white;
  border: 1px solid var(--border-color);
  border-radius: var(--radius-lg);
  padding: 20px;
  display: flex;
  align-items: center;
  gap: 16px;
  box-shadow: var(--shadow-sm);
}

.stat-icon-wrapper {
  width: 52px;
  height: 52px;
  border-radius: var(--radius-md);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.5rem;
}

.stat-value {
  font-size: 1.75rem;
  font-weight: 800;
  color: var(--text-main);
  line-height: 1.1;
  font-family: var(--font-brand);
}

.stat-label {
  font-size: 0.85rem;
  font-weight: 500;
  color: var(--text-secondary);
  margin-top: 4px;
}

/* Special Child & Dad Sections in Forms/Detail */
.child-section-box {
  background: var(--child-bg);
  border: 2px solid var(--child-border);
  border-radius: var(--radius-lg);
  padding: 24px;
  margin-bottom: 24px;
}

.child-section-box .section-header {
  display: flex;
  align-items: center;
  gap: 10px;
  color: var(--child-text);
  font-weight: 700;
  font-size: 1.15rem;
  margin-bottom: 12px;
}

/* Voice Speech Recognition Pulsing Button */
.btn-speech-recording {
  background: #fee2e2 !important;
  color: #b91c1c !important;
  border-color: #fca5a5 !important;
  animation: pulse-red 1.2s infinite;
}

@keyframes pulse-red {
  0% { transform: scale(1); box-shadow: 0 0 0 0 rgba(239, 68, 68, 0.4); }
  70% { transform: scale(1.03); box-shadow: 0 0 0 8px rgba(239, 68, 68, 0); }
  100% { transform: scale(1); box-shadow: 0 0 0 0 rgba(239, 68, 68, 0); }
}

/* Drag and Drop File Upload Area */
.dropzone {
  border: 2px dashed var(--border-color);
  border-radius: var(--radius-lg);
  padding: 32px 20px;
  text-align: center;
  background: #f8fafc;
  cursor: pointer;
  transition: var(--transition);
}

.dropzone:hover, .dropzone.dragover {
  border-color: var(--primary);
  background: var(--primary-light);
}

.dropzone-icon {
  font-size: 2.2rem;
  margin-bottom: 8px;
}

.preview-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(130px, 1fr));
  gap: 12px;
  margin-top: 14px;
}

.preview-item {
  position: relative;
  border: 1px solid var(--border-color);
  border-radius: var(--radius-sm);
  overflow: hidden;
  background: white;
  text-align: center;
  padding: 6px;
}

.preview-thumb {
  width: 100%;
  height: 90px;
  object-fit: cover;
  border-radius: 4px;
  display: block;
}

.preview-name {
  font-size: 0.75rem;
  color: var(--text-secondary);
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
  margin-top: 4px;
}

.child-textarea {
  background: #ffffff !important;
  border: 1px solid var(--child-border) !important;
}

.dad-section-box {
  background: #f8fafc;
  border: 2px solid #cbd5e1;
  border-radius: var(--radius-lg);
  padding: 24px;
  margin-bottom: 24px;
}

.dad-section-box .section-header {
  display: flex;
  align-items: center;
  gap: 10px;
  color: #1e3a8a;
  font-weight: 700;
  font-size: 1.15rem;
  margin-bottom: 12px;
}

/* Timeline Components */
.timeline {
  position: relative;
  padding: 20px 0 20px 24px;
}

.timeline::before {
  content: '';
  position: absolute;
  top: 0;
  bottom: 0;
  left: 31px;
  width: 2px;
  background: var(--border-color);
}

.timeline-item {
  position: relative;
  display: flex;
  gap: 20px;
  margin-bottom: 32px;
}

.timeline-marker {
  position: relative;
  z-index: 2;
  width: 16px;
  height: 16px;
  border-radius: 50%;
  background: white;
  border: 3px solid var(--primary);
  margin-top: 6px;
  flex-shrink: 0;
}

.timeline-marker.marker-entry {
  border-color: #3b82f6;
}

.timeline-marker.marker-achievement {
  border-color: #10b981;
  background: #10b981;
  box-shadow: 0 0 0 4px rgba(16, 185, 129, 0.2);
}

.timeline-marker.marker-turning-point {
  border-color: #3b82f6;
  background: #3b82f6;
  box-shadow: 0 0 0 4px rgba(59, 130, 246, 0.2);
}

.timeline-marker.marker-failure {
  border-color: #f59e0b;
  background: #f59e0b;
  box-shadow: 0 0 0 4px rgba(245, 158, 11, 0.2);
}

.timeline-content {
  flex: 1;
  background: white;
  border: 1px solid var(--border-color);
  border-radius: var(--radius-md);
  padding: 18px 22px;
  box-shadow: var(--shadow-sm);
  transition: var(--transition);
}

.timeline-content:hover {
  box-shadow: var(--shadow-md);
  border-color: #cbd5e1;
}

/* Self Check Radio Tiles */
.self-check-container {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 12px;
}

.self-check-tile {
  border: 2px solid var(--border-color);
  border-radius: var(--radius-md);
  padding: 14px;
  text-align: center;
  cursor: pointer;
  background: white;
  transition: var(--transition);
  font-weight: 600;
  font-size: 0.9rem;
}

.self-check-tile:hover {
  border-color: var(--primary-border);
  background: var(--primary-light);
}

.self-check-tile.active {
  border-color: var(--primary);
  background: var(--primary-light);
  color: var(--primary);
}

/* Footer */
.footer {
  background: white;
  border-top: 1px solid var(--border-color);
  padding: 28px 0;
  color: var(--text-muted);
  font-size: 0.85rem;
  text-align: center;
  margin-top: auto;
}

/* Modal Window */
.modal-overlay {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  background: rgba(15, 23, 42, 0.6);
  backdrop-filter: blur(4px);
  display: flex;
  align-items: center;
  justify-content: center;
  z-index: 1000;
  opacity: 0;
  visibility: hidden;
  transition: opacity 0.2s ease;
}

.modal-overlay.open {
  opacity: 1;
  visibility: visible;
}

.modal-dialog {
  background: white;
  border-radius: var(--radius-lg);
  width: 90%;
  max-width: 580px;
  padding: 28px;
  box-shadow: var(--shadow-xl);
  transform: translateY(12px);
  transition: transform 0.2s ease;
}

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

/* User Manual Tabs */
.manual-tab {
  padding: 12px 16px;
  background: none;
  border: none;
  border-bottom: 2px solid transparent;
  font-weight: 600;
  font-size: 0.92rem;
  color: var(--text-secondary);
  cursor: pointer;
  white-space: nowrap;
  transition: var(--transition);
}

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

.manual-tab.active {
  color: var(--primary);
  border-bottom-color: var(--primary);
}

/* Mobile Navigation Toggle */
.mobile-menu-toggle {
  display: none;
  flex-direction: column;
  justify-content: space-around;
  width: 32px;
  height: 32px;
  background: transparent;
  border: none;
  cursor: pointer;
  padding: 0;
  z-index: 101;
}

.mobile-menu-toggle span {
  width: 24px;
  height: 2.5px;
  background: var(--text-main);
  border-radius: 2px;
  transition: all 0.3s ease;
}

.mobile-menu-toggle.active span:nth-child(1) {
  transform: translateY(8px) rotate(45deg);
}

.mobile-menu-toggle.active span:nth-child(2) {
  opacity: 0;
}

.mobile-menu-toggle.active span:nth-child(3) {
  transform: translateY(-8px) rotate(-45deg);
}

/* Mobile Slide-down Drawer */
.mobile-nav-drawer {
  display: none;
  position: fixed;
  top: 65px;
  left: 0;
  right: 0;
  background: rgba(255, 255, 255, 0.98);
  backdrop-filter: blur(12px);
  border-bottom: 1px solid var(--border-color);
  box-shadow: var(--shadow-lg);
  padding: 20px 24px;
  z-index: 99;
  transform: translateY(-10px);
  opacity: 0;
  transition: all 0.25s ease-out;
}

.mobile-nav-drawer.open {
  display: block;
  transform: translateY(0);
  opacity: 1;
}

.mobile-nav-links {
  list-style: none;
  padding: 0;
  margin: 0 0 16px 0;
  display: flex;
  flex-direction: column;
  gap: 12px;
}

.mobile-nav-links a {
  display: block;
  padding: 10px 14px;
  border-radius: var(--radius-md);
  font-weight: 600;
  font-size: 1rem;
  color: var(--text-main);
  text-decoration: none;
  transition: var(--transition);
}

.mobile-nav-links a:hover,
.mobile-nav-links li.active a {
  background: var(--primary-light);
  color: var(--primary);
}

/* Mobile Bottom Navigation Bar */
.mobile-bottom-bar {
  display: none;
  position: fixed;
  bottom: 0;
  left: 0;
  right: 0;
  background: rgba(255, 255, 255, 0.95);
  backdrop-filter: blur(12px);
  border-top: 1px solid var(--border-color);
  display: none;
  grid-template-columns: repeat(5, 1fr);
  height: 60px;
  z-index: 900;
  box-shadow: 0 -4px 16px rgba(0, 0, 0, 0.05);
  padding-bottom: env(safe-area-inset-bottom, 0);
}

.bottom-nav-item {
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  color: var(--text-secondary);
  text-decoration: none;
  font-size: 0.72rem;
  font-weight: 600;
  gap: 3px;
  transition: var(--transition);
}

.bottom-nav-item .icon {
  font-size: 1.25rem;
}

.bottom-nav-item.active,
.bottom-nav-item:hover {
  color: var(--primary);
}

/* Form Responsive Utilities */
.form-row-4col {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 14px;
  margin-bottom: 16px;
}

.form-row-2col {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 16px;
  margin-bottom: 20px;
}

.form-actions-responsive {
  display: flex;
  justify-content: flex-end;
  gap: 14px;
  margin-bottom: 60px;
}

/* Responsive Media Queries */
@media (max-width: 768px) {
  body {
    padding-bottom: 70px; /* Space for bottom bar */
  }

  .nav-links,
  .nav-actions {
    display: none;
  }

  .mobile-menu-toggle {
    display: flex;
  }

  .mobile-bottom-bar {
    display: grid;
  }

  .container {
    padding: 0 16px;
  }

  .stats-grid {
    grid-template-columns: 1fr 1fr;
    gap: 12px;
  }

  .project-grid {
    grid-template-columns: 1fr;
  }

  .form-row-4col {
    grid-template-columns: 1fr 1fr;
  }

  .form-row-2col {
    grid-template-columns: 1fr;
  }

  .self-check-container {
    grid-template-columns: 1fr 1fr;
    gap: 8px;
  }

  .self-check-tile {
    padding: 10px 8px;
    font-size: 0.85rem;
  }

  .self-check-tile .emoji {
    font-size: 1.6rem;
  }

  .child-section-box .section-header,
  .dad-section-box .section-header {
    flex-wrap: wrap;
    gap: 10px;
  }

  .modal-dialog {
    width: 95%;
    max-height: 90vh;
    padding: 20px 16px;
  }

  .timeline {
    padding-left: 24px;
  }

  .timeline-marker {
    left: -20px;
    width: 14px;
    height: 14px;
  }
}

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

  .form-row-4col {
    grid-template-columns: 1fr;
  }

  .form-actions-responsive {
    flex-direction: column-reverse;
  }

  .form-actions-responsive .btn {
    width: 100%;
    text-align: center;
  }

  h1 {
    font-size: 1.5rem !important;
  }
}

/* Profile Dropdown Component */
.profile-dropdown {
  position: relative;
  display: inline-block;
}

.profile-pill-btn {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  background: white;
  border: 1px solid var(--border-color);
  padding: 5px 12px;
  border-radius: 20px;
  font-size: 0.88rem;
  font-weight: 700;
  color: var(--text-main);
  cursor: pointer;
  box-shadow: var(--shadow-sm);
  transition: all 0.2s ease;
}

.profile-pill-btn:hover {
  border-color: var(--primary);
  background: #f8fafc;
  box-shadow: var(--shadow-md);
}

.profile-pill-btn .avatar-icon {
  font-size: 1.15rem;
  line-height: 1;
}

.profile-pill-btn .dropdown-arrow {
  font-size: 0.75rem;
  color: var(--text-muted);
  transition: transform 0.2s ease;
}

.profile-dropdown.open .profile-pill-btn .dropdown-arrow {
  transform: rotate(180deg);
}

.profile-dropdown-menu {
  display: none;
  position: absolute;
  top: calc(100% + 8px);
  right: 0;
  min-width: 250px;
  background: white;
  border: 1px solid var(--border-color);
  border-radius: var(--radius-md);
  box-shadow: 0 10px 25px -5px rgba(0, 0, 0, 0.1), 0 8px 10px -6px rgba(0, 0, 0, 0.1);
  z-index: 1000;
  padding: 8px 0;
  animation: fadeInDown 0.15s ease-out;
}

.profile-dropdown.open .profile-dropdown-menu {
  display: block;
}

.dropdown-user-header {
  padding: 10px 16px 8px;
  border-bottom: 1px solid var(--border-color);
  background: #f8fafc;
}

.dropdown-user-header .family-label {
  font-weight: 800;
  font-size: 0.92rem;
  color: var(--text-main);
}

.dropdown-user-header .title-badge {
  font-size: 0.78rem;
  font-weight: 600;
  color: var(--primary);
  margin-top: 2px;
}

.dropdown-child-switch {
  padding: 8px 16px;
  background: #f1f5f9;
}

.dropdown-sep {
  height: 1px;
  background: var(--border-color);
  margin: 6px 0;
}

.dropdown-link {
  display: flex;
  align-items: center;
  gap: 10px;
  padding: 9px 16px;
  color: var(--text-main);
  text-decoration: none;
  font-size: 0.88rem;
  font-weight: 500;
  transition: background 0.15s ease, color 0.15s ease;
}

.dropdown-link:hover {
  background: #f1f5f9;
  color: var(--primary);
}

.dropdown-link.active {
  background: #ecfdf5;
  color: var(--primary);
  font-weight: 700;
}

.dropdown-link.staff-link {
  color: #b45309;
}

.dropdown-link.logout-btn {
  color: #ef4444;
  font-weight: 600;
  width: 100%;
  border: none;
  background: none;
  text-align: left;
  cursor: pointer;
}

.dropdown-link.logout-btn:hover {
  background: #fef2f2;
  color: #dc2626;
}

.nav-btn-link {
  background: none;
  border: none;
  font-size: 0.95rem;
  font-weight: 600;
  color: var(--text-secondary);
  cursor: pointer;
  padding: 6px 12px;
  border-radius: var(--radius-sm);
  display: flex;
  align-items: center;
  gap: 6px;
  transition: all 0.2s ease;
}

.nav-btn-link:hover {
  color: var(--primary);
  background: #f1f5f9;
}

@keyframes fadeInDown {
  from {
    opacity: 0;
    transform: translateY(-6px);
  }
  to {
    opacity: 1;
    transform: translateY(0);
  }
}