@import url('https://fonts.googleapis.com/css2?family=Inter:wght@300;400;500;600;700;800&family=JetBrains+Mono:wght@400;500&display=swap');
@import url('./variables.css');

/* ============================================================
   RESET & BASE
   ============================================================ */
*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }

html {
  font-size: 16px;
  scroll-behavior: smooth;
  -webkit-text-size-adjust: 100%;
}

body {
  background: var(--bg-base);
  color: var(--text-primary);
  font-family: var(--font-sans);
  font-size: 1rem;
  line-height: 1.65;
  min-height: 100vh;
  display: flex;
  flex-direction: column;
  overflow-x: hidden;
}

a { color: var(--text-link); text-decoration: none; }
a:hover { text-decoration: underline; }

img, svg { display: block; max-width: 100%; }

/* ============================================================
   TYPOGRAPHY
   ============================================================ */
h1 { font-size: clamp(2rem, 5vw, 3.25rem); font-weight: 800; line-height: 1.15; letter-spacing: -0.03em; }
h2 { font-size: clamp(1.5rem, 3vw, 2rem);  font-weight: 700; line-height: 1.2;  letter-spacing: -0.02em; }
h3 { font-size: clamp(1.1rem, 2vw, 1.35rem); font-weight: 600; line-height: 1.3; }
h4 { font-size: 1rem;  font-weight: 600; }
p  { color: var(--text-secondary); }

.text-blue   { color: var(--color-blue); }
.text-teal   { color: var(--color-teal); }
.text-purple { color: var(--color-purple); }
.text-muted  { color: var(--text-muted); }

/* Gradient text — subtil */
.gradient-text {
  background: linear-gradient(135deg, var(--color-blue) 0%, var(--color-teal) 100%);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

/* ============================================================
   LAYOUT
   ============================================================ */
.container {
  width: 100%;
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 1.5rem;
}

@media (max-width: 768px) { .container { padding: 0 1rem; } }

.section { padding: 4rem 0; }
.section-sm { padding: 2.5rem 0; }

/* ============================================================
   NAVBAR
   ============================================================ */
.navbar {
  position: sticky;
  top: 0;
  z-index: 200;
  background: rgba(13, 17, 23, 0.85);
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
  border-bottom: var(--border);
  height: 60px;
  display: flex;
  align-items: center;
}

.nav-container {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1rem;
  width: 100%;
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 1.5rem;
}

/* Brand */
.brand-logo {
  display: flex;
  align-items: center;
  gap: 10px;
  cursor: pointer;
  flex-shrink: 0;
}
.brand-logo img { height: 34px; width: auto; }
.brand-name {
  font-weight: 700;
  font-size: 1rem;
  color: var(--text-primary);
  white-space: nowrap;
}
.brand-name span { color: var(--color-blue); }

/* Nav links */
.nav-menu {
  display: flex;
  align-items: center;
  gap: 2px;
  list-style: none;
}

.nav-link {
  display: flex;
  align-items: center;
  gap: 6px;
  padding: 6px 12px;
  border-radius: var(--r-sm);
  font-size: 0.9rem;
  font-weight: 500;
  color: var(--text-secondary);
  transition: color var(--t-fast) var(--ease), background var(--t-fast) var(--ease);
  cursor: pointer;
  white-space: nowrap;
}
.nav-link:hover, .nav-link.active {
  color: var(--text-primary);
  background: var(--bg-card);
  text-decoration: none;
}
.nav-link.active { color: var(--color-blue); }
.nav-link i { font-size: 1rem; }

.nav-actions { display: flex; align-items: center; gap: 8px; flex-shrink: 0; }

/* Hamburger */
.nav-hamburger {
  display: none;
  background: none;
  border: var(--border);
  border-radius: var(--r-sm);
  color: var(--text-secondary);
  font-size: 1.2rem;
  width: 36px; height: 36px;
  align-items: center; justify-content: center;
  cursor: pointer;
  transition: color var(--t-fast) var(--ease);
}
.nav-hamburger:hover { color: var(--text-primary); }

/* Mobile menu */
@media (max-width: 840px) {
  .nav-hamburger { display: flex; }
  .nav-menu {
    display: none;
    position: fixed;
    top: 60px; left: 0; right: 0; bottom: 0;
    background: var(--bg-base);
    border-top: var(--border);
    flex-direction: column;
    align-items: flex-start;
    padding: 1rem;
    gap: 4px;
    z-index: 199;
    overflow-y: auto;
  }
  .nav-menu.open { display: flex; }
  .nav-link { width: 100%; padding: 10px 14px; font-size: 1rem; }
  .nav-actions .hide-mobile { display: none; }
}
@media (max-width: 480px) {
  .brand-name { display: none; }
}

/* ============================================================
   HERO
   ============================================================ */
.hero {
  padding: clamp(3rem, 8vw, 6rem) 0 clamp(2rem, 5vw, 4rem);
  text-align: center;
}

.hero-eyebrow {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  background: rgba(59, 130, 246, 0.1);
  border: 1px solid rgba(59, 130, 246, 0.25);
  color: var(--color-blue);
  border-radius: var(--r-full);
  padding: 5px 14px;
  font-size: 0.8rem;
  font-weight: 600;
  letter-spacing: 0.4px;
  margin-bottom: 1.5rem;
}

.hero-title { margin-bottom: 1.25rem; }
.hero-title em { font-style: normal; }

.hero-desc {
  font-size: clamp(1rem, 2.5vw, 1.15rem);
  color: var(--text-secondary);
  max-width: 620px;
  margin: 0 auto 2.5rem;
  line-height: 1.75;
}

/* Stats Bar */
.stats-bar {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 0;
  background: var(--bg-surface);
  border: var(--border);
  border-radius: var(--r-lg);
  margin-top: 3rem;
  overflow: hidden;
}

.stat-item {
  flex: 1;
  padding: 1.25rem 1rem;
  text-align: center;
  border-right: var(--border);
  transition: background var(--t-fast) var(--ease);
}
.stat-item:last-child { border-right: none; }
.stat-item:hover { background: var(--bg-card); }

.stat-value {
  font-size: clamp(1.4rem, 3vw, 1.9rem);
  font-weight: 800;
  color: var(--text-primary);
  line-height: 1;
  margin-bottom: 4px;
}
.stat-label {
  font-size: 0.8rem;
  color: var(--text-secondary);
  font-weight: 500;
}

@media (max-width: 600px) {
  .stats-bar { flex-wrap: wrap; }
  .stat-item { flex: 1 1 50%; border-bottom: var(--border); }
  .stat-item:nth-child(2), .stat-item:last-child { border-right: none; }
}

/* ============================================================
   SEARCH BOX
   ============================================================ */
.search-wrapper { position: relative; max-width: 680px; margin: 0 auto; }

.search-box {
  display: flex;
  align-items: center;
  background: var(--bg-surface);
  border: var(--border);
  border-radius: var(--r-lg);
  padding: 6px 6px 6px 1.25rem;
  box-shadow: var(--shadow-md);
  transition: border-color var(--t-fast) var(--ease), box-shadow var(--t-fast) var(--ease);
}
.search-box:focus-within {
  border-color: var(--color-blue);
  box-shadow: 0 0 0 3px rgba(59, 130, 246, 0.15);
}
.search-box i.search-icon { color: var(--text-muted); font-size: 1.1rem; flex-shrink: 0; }
.search-input {
  flex: 1;
  background: transparent;
  border: none;
  outline: none;
  color: var(--text-primary);
  font-family: var(--font-sans);
  font-size: 1rem;
  padding: 8px 12px;
}
.search-input::placeholder { color: var(--text-muted); }

/* Autocomplete dropdown */
.search-results-dropdown {
  position: absolute;
  top: calc(100% + 8px);
  left: 0; right: 0;
  background: var(--bg-surface);
  border: var(--border);
  border-radius: var(--r-md);
  box-shadow: var(--shadow-lg);
  display: none;
  z-index: 300;
  max-height: 380px;
  overflow-y: auto;
}
.search-results-dropdown.show { display: block; }
.search-results-dropdown::-webkit-scrollbar { width: 4px; }
.search-results-dropdown::-webkit-scrollbar-thumb { background: var(--bg-card-hover); border-radius: 2px; }

.search-result-item {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 10px 16px;
  border-bottom: var(--border);
  cursor: pointer;
  transition: background var(--t-fast) var(--ease);
  gap: 12px;
}
.search-result-item:last-child { border-bottom: none; }
.search-result-item:hover { background: var(--bg-card); }
.result-title { font-weight: 600; color: var(--text-primary); font-size: 0.95rem; display: flex; align-items: center; gap: 8px; }
.result-abbr { font-size: 0.7rem; padding: 1px 6px; border-radius: 4px; background: rgba(59,130,246,0.12); color: var(--color-blue); font-family: var(--font-mono); }
.result-desc { font-size: 0.82rem; color: var(--text-muted); overflow: hidden; text-overflow: ellipsis; white-space: nowrap; max-width: 380px; }

/* ============================================================
   BUTTONS
   ============================================================ */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 7px;
  padding: 9px 18px;
  font-size: 0.9rem;
  font-weight: 600;
  font-family: var(--font-sans);
  border-radius: var(--r-sm);
  border: none;
  cursor: pointer;
  transition: background var(--t-fast) var(--ease), transform var(--t-fast) var(--ease), box-shadow var(--t-fast) var(--ease);
  text-decoration: none;
  white-space: nowrap;
  line-height: 1;
}
.btn:hover { transform: translateY(-1px); }
.btn:active { transform: translateY(0); }

.btn-primary {
  background: var(--color-blue);
  color: #fff;
}
.btn-primary:hover { background: #2563eb; box-shadow: 0 4px 12px rgba(59,130,246,0.35); }

.btn-secondary {
  background: var(--bg-card);
  color: var(--text-primary);
  border: var(--border);
}
.btn-secondary:hover { background: var(--bg-card-hover); border-color: var(--color-blue); }

.btn-ghost {
  background: transparent;
  color: var(--text-secondary);
  border: var(--border);
}
.btn-ghost:hover { color: var(--text-primary); background: var(--bg-card); }

.btn-sm { padding: 6px 12px; font-size: 0.82rem; }
.btn-lg { padding: 12px 24px; font-size: 1rem; }
.btn-icon { width: 36px; height: 36px; padding: 0; border-radius: var(--r-sm); }

/* ============================================================
   SECTION HEADER
   ============================================================ */
.section-header {
  display: flex;
  align-items: flex-end;
  justify-content: space-between;
  gap: 1rem;
  margin-bottom: 1.75rem;
  flex-wrap: wrap;
}
.section-header h2 { margin-bottom: 4px; }
.section-header p { color: var(--text-secondary); font-size: 0.95rem; }

/* ============================================================
   CATEGORY CARDS
   ============================================================ */
.category-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(260px, 1fr));
  gap: 1rem;
}

.category-card {
  background: var(--bg-card);
  border: var(--border);
  border-radius: var(--r-md);
  padding: 1.25rem 1.25rem 1rem;
  cursor: pointer;
  transition: border-color var(--t-mid) var(--ease), background var(--t-mid) var(--ease), transform var(--t-mid) var(--ease);
  position: relative;
}
.category-card:hover {
  border-color: var(--color-blue);
  background: var(--bg-card-hover);
  transform: translateY(-2px);
}

.cat-header { display: flex; align-items: center; justify-content: space-between; margin-bottom: 12px; }

.cat-icon {
  width: 40px; height: 40px;
  border-radius: var(--r-sm);
  display: flex; align-items: center; justify-content: center;
  font-size: 1.2rem;
}

.cat-count {
  font-size: 0.78rem;
  font-weight: 600;
  color: var(--text-muted);
  background: var(--bg-surface);
  border: var(--border);
  padding: 2px 8px;
  border-radius: var(--r-full);
}

.category-card h3 { font-size: 1rem; margin-bottom: 6px; }
.category-card p { font-size: 0.85rem; color: var(--text-secondary); line-height: 1.5; }

/* ============================================================
   BADGE / LEVEL
   ============================================================ */
.badge {
  display: inline-flex;
  align-items: center;
  gap: 4px;
  padding: 3px 9px;
  border-radius: var(--r-full);
  font-size: 0.72rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.4px;
}
.badge-debutant    { background: rgba(34,197,94,0.12);  color: #4ade80; border: 1px solid rgba(34,197,94,0.2); }
.badge-intermediaire { background: rgba(59,130,246,0.12);  color: #60a5fa; border: 1px solid rgba(59,130,246,0.2); }
.badge-avance      { background: rgba(124,58,237,0.12); color: #a78bfa; border: 1px solid rgba(124,58,237,0.2); }

/* ============================================================
   FILTER CHIPS
   ============================================================ */
.filter-bar {
  display: flex;
  gap: 6px;
  overflow-x: auto;
  padding-bottom: 1rem;
  margin-bottom: 1.5rem;
  scrollbar-width: none;
}
.filter-bar::-webkit-scrollbar { display: none; }

.filter-chip {
  flex-shrink: 0;
  padding: 5px 14px;
  border-radius: var(--r-full);
  background: var(--bg-surface);
  border: var(--border);
  color: var(--text-secondary);
  font-size: 0.84rem;
  font-weight: 500;
  cursor: pointer;
  white-space: nowrap;
  transition: border-color var(--t-fast) var(--ease), color var(--t-fast) var(--ease), background var(--t-fast) var(--ease);
}
.filter-chip:hover, .filter-chip.active {
  background: rgba(59,130,246,0.1);
  border-color: var(--color-blue);
  color: var(--color-blue);
}

/* ============================================================
   TERM CARDS
   ============================================================ */
.terms-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(320px, 1fr));
  gap: 1rem;
}

.term-card {
  background: var(--bg-card);
  border: var(--border);
  border-radius: var(--r-md);
  padding: 1.25rem;
  display: flex;
  flex-direction: column;
  justify-content: space-between;
  gap: 1rem;
  transition: border-color var(--t-mid) var(--ease), background var(--t-mid) var(--ease);
  cursor: default;
}
.term-card:hover { border-color: var(--border-hover); background: var(--bg-card-hover); }

.term-card-header { display: flex; justify-content: space-between; align-items: flex-start; gap: 8px; }

.term-title-wrap h3 { margin-bottom: 3px; font-size: 1.1rem; }
.term-cat-tag { font-size: 0.78rem; color: var(--color-blue); font-weight: 500; }

.fav-btn {
  background: none; border: none;
  color: var(--text-muted); font-size: 1.1rem;
  cursor: pointer; flex-shrink: 0;
  padding: 2px;
  transition: color var(--t-fast) var(--ease);
}
.fav-btn:hover, .fav-btn.active { color: #f59e0b; }

.term-simple-def {
  font-size: 0.9rem;
  color: var(--text-secondary);
  line-height: 1.6;
  flex: 1;
}

.term-card-footer {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding-top: 12px;
  border-top: var(--border);
}

/* ============================================================
   MODAL
   ============================================================ */
.modal-overlay {
  position: fixed;
  inset: 0;
  background: rgba(0,0,0,0.7);
  backdrop-filter: blur(4px);
  z-index: 1000;
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 1rem;
  opacity: 0;
  pointer-events: none;
  transition: opacity var(--t-mid) var(--ease);
}
.modal-overlay.active { opacity: 1; pointer-events: all; }

.modal-content {
  background: var(--bg-surface);
  border: var(--border);
  border-radius: var(--r-lg);
  width: 100%;
  max-width: 700px;
  max-height: 88vh;
  overflow-y: auto;
  box-shadow: var(--shadow-lg);
  transform: translateY(12px);
  transition: transform var(--t-mid) var(--ease);
}
.modal-overlay.active .modal-content { transform: translateY(0); }

.modal-content::-webkit-scrollbar { width: 5px; }
.modal-content::-webkit-scrollbar-thumb { background: var(--bg-card-hover); border-radius: 3px; }

.modal-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 1.25rem 1.5rem;
  border-bottom: var(--border);
  position: sticky;
  top: 0;
  background: var(--bg-surface);
  z-index: 10;
}
.modal-header h3 { font-size: 1.1rem; }
.modal-body { padding: 1.5rem; }

.modal-close {
  background: none; border: none; color: var(--text-muted);
  font-size: 1.3rem; cursor: pointer;
  width: 32px; height: 32px;
  display: flex; align-items: center; justify-content: center;
  border-radius: var(--r-sm);
  transition: color var(--t-fast) var(--ease), background var(--t-fast) var(--ease);
}
.modal-close:hover { color: var(--color-red); background: rgba(239,68,68,0.1); }

/* ============================================================
   CODE BOX
   ============================================================ */
.code-box {
  background: #0d1117;
  border: var(--border);
  border-radius: var(--r-md);
  overflow: hidden;
}
.code-box-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 8px 14px;
  background: var(--bg-card);
  border-bottom: var(--border);
}
.code-lang { font-family: var(--font-mono); font-size: 0.75rem; color: var(--text-muted); text-transform: uppercase; letter-spacing: 0.5px; }
.copy-code-btn { background: none; border: none; color: var(--text-muted); font-size: 0.8rem; cursor: pointer; display: flex; align-items: center; gap: 5px; transition: color var(--t-fast); }
.copy-code-btn:hover { color: var(--text-primary); }
.code-box pre { padding: 1.25rem; overflow-x: auto; }
.code-box pre code { font-family: var(--font-mono); font-size: 0.85rem; color: #e6edf3; line-height: 1.65; white-space: pre; }

/* ============================================================
   FORMS
   ============================================================ */
.form-group { margin-bottom: 1.1rem; }
.form-group label {
  display: block;
  font-size: 0.85rem;
  font-weight: 600;
  color: var(--text-secondary);
  margin-bottom: 6px;
}
.form-control {
  width: 100%;
  background: var(--bg-input);
  border: var(--border);
  border-radius: var(--r-sm);
  padding: 9px 13px;
  color: var(--text-primary);
  font-family: var(--font-sans);
  font-size: 0.9rem;
  outline: none;
  transition: border-color var(--t-fast) var(--ease), box-shadow var(--t-fast) var(--ease);
}
.form-control:focus {
  border-color: var(--color-blue);
  box-shadow: 0 0 0 3px rgba(59,130,246,0.12);
}
textarea.form-control { min-height: 90px; resize: vertical; line-height: 1.55; }
select.form-control { cursor: pointer; }

/* ============================================================
   TOAST
   ============================================================ */
#toast-container {
  position: fixed;
  bottom: 24px; right: 24px;
  z-index: 2000;
  display: flex;
  flex-direction: column;
  gap: 8px;
  pointer-events: none;
}
.toast {
  background: var(--bg-surface);
  border: var(--border);
  border-left: 3px solid var(--color-blue);
  border-radius: var(--r-sm);
  padding: 12px 16px;
  font-size: 0.875rem;
  color: var(--text-primary);
  box-shadow: var(--shadow-md);
  display: flex;
  align-items: center;
  gap: 10px;
  min-width: 260px;
  max-width: 380px;
  animation: slideInRight 0.25s var(--ease);
  pointer-events: all;
}
@keyframes slideInRight { from { opacity: 0; transform: translateX(100%); } to { opacity: 1; transform: translateX(0); } }
@keyframes fadeOut { to { opacity: 0; transform: translateX(110%); } }

/* ============================================================
   SIMILAR TAGS
   ============================================================ */
.similar-tags { display: flex; flex-wrap: wrap; gap: 6px; margin-top: 10px; }
.similar-tag {
  padding: 4px 12px;
  border-radius: var(--r-full);
  background: var(--bg-card);
  border: var(--border);
  color: var(--text-secondary);
  font-size: 0.8rem;
  cursor: pointer;
  transition: border-color var(--t-fast), color var(--t-fast), background var(--t-fast);
}
.similar-tag:hover { border-color: var(--color-blue); color: var(--color-blue); background: rgba(59,130,246,0.08); }

/* ============================================================
   ADVANTAGES LIST
   ============================================================ */
.advantages-list { list-style: none; display: flex; flex-direction: column; gap: 8px; }
.advantages-list li { display: flex; gap: 10px; align-items: flex-start; font-size: 0.9rem; color: var(--text-secondary); }
.advantages-list li i { color: var(--color-green); font-size: 0.9rem; margin-top: 3px; flex-shrink: 0; }

/* ============================================================
   TERM DETAIL
   ============================================================ */
.term-meta-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 10px;
  margin: 1.25rem 0;
}
@media (max-width: 520px) { .term-meta-grid { grid-template-columns: 1fr 1fr; } }

.meta-item {
  background: var(--bg-card);
  border: var(--border);
  border-radius: var(--r-sm);
  padding: 12px 14px;
}
.meta-label { font-size: 0.72rem; color: var(--text-muted); text-transform: uppercase; letter-spacing: 0.5px; margin-bottom: 4px; }
.meta-value { font-size: 0.95rem; font-weight: 700; color: var(--text-primary); }

.term-section { margin-bottom: 1.5rem; }
.term-section h4 { font-size: 0.9rem; color: var(--text-muted); text-transform: uppercase; letter-spacing: 0.5px; font-weight: 600; margin-bottom: 10px; display: flex; align-items: center; gap: 7px; }
.term-section p { color: var(--text-secondary); line-height: 1.75; font-size: 0.95rem; }

/* ============================================================
   AI ASSISTANT
   ============================================================ */
.ai-card {
  background: var(--bg-surface);
  border: var(--border);
  border-radius: var(--r-lg);
  overflow: hidden;
  display: flex;
  flex-direction: column;
  height: 680px;
  max-height: calc(100vh - 160px);
}
.ai-header {
  padding: 1rem 1.25rem;
  border-bottom: var(--border);
  display: flex;
  align-items: center;
  justify-content: space-between;
  flex-wrap: wrap;
  gap: 10px;
  background: var(--bg-card);
}
.ai-title-wrap { display: flex; align-items: center; gap: 12px; }
.ai-avatar {
  width: 40px; height: 40px;
  border-radius: var(--r-sm);
  background: linear-gradient(135deg, var(--color-purple), var(--color-blue));
  display: flex; align-items: center; justify-content: center;
  color: #fff; font-size: 1.2rem;
}
.ai-title-wrap h3 { font-size: 1rem; margin-bottom: 2px; }
.ai-status { display: flex; align-items: center; gap: 5px; font-size: 0.78rem; color: var(--color-green); }
.ai-status-dot { width: 7px; height: 7px; border-radius: 50%; background: var(--color-green); }

.ai-modes { display: flex; gap: 6px; flex-wrap: wrap; }
.mode-btn {
  padding: 5px 12px; border-radius: var(--r-full);
  background: var(--bg-surface); border: var(--border);
  color: var(--text-secondary); font-size: 0.8rem; cursor: pointer;
  transition: all var(--t-fast) var(--ease);
}
.mode-btn:hover, .mode-btn.active { background: var(--color-blue); color: #fff; border-color: var(--color-blue); }

.ai-messages { flex: 1; padding: 1.25rem; overflow-y: auto; display: flex; flex-direction: column; gap: 1rem; }
.ai-messages::-webkit-scrollbar { width: 4px; }
.ai-messages::-webkit-scrollbar-thumb { background: var(--bg-card-hover); border-radius: 2px; }

.chat-bubble { display: flex; gap: 10px; max-width: 88%; animation: fadeInUp 0.25s var(--ease); }
@keyframes fadeInUp { from { opacity: 0; transform: translateY(8px); } to { opacity: 1; transform: translateY(0); } }
.chat-bubble.user { align-self: flex-end; flex-direction: row-reverse; }
.chat-bubble.ai  { align-self: flex-start; }

.bubble-avatar {
  width: 32px; height: 32px; border-radius: 50%;
  display: flex; align-items: center; justify-content: center;
  font-size: 0.95rem; flex-shrink: 0;
}
.chat-bubble.user .bubble-avatar { background: var(--color-blue); color: #fff; }
.chat-bubble.ai  .bubble-avatar { background: var(--color-purple); color: #fff; }

.bubble-content {
  background: var(--bg-card);
  border: var(--border);
  border-radius: var(--r-md);
  padding: 10px 14px;
  font-size: 0.9rem;
  line-height: 1.65;
  color: var(--text-primary);
}
.chat-bubble.user .bubble-content { border-top-right-radius: 3px; background: rgba(59,130,246,0.1); border-color: rgba(59,130,246,0.25); }
.chat-bubble.ai  .bubble-content { border-top-left-radius: 3px; }

.ai-suggestions { padding: 10px 16px; display: flex; gap: 6px; overflow-x: auto; border-top: var(--border); }
.ai-suggestions::-webkit-scrollbar { display: none; }
.suggestion-chip {
  flex-shrink: 0;
  padding: 5px 12px;
  border-radius: var(--r-full);
  background: var(--bg-card);
  border: var(--border);
  color: var(--text-secondary);
  font-size: 0.78rem;
  cursor: pointer;
  white-space: nowrap;
  transition: all var(--t-fast) var(--ease);
}
.suggestion-chip:hover { color: var(--text-primary); border-color: var(--color-blue); background: rgba(59,130,246,0.08); }

.ai-input-bar {
  padding: 1rem 1.25rem;
  border-top: var(--border);
  display: flex;
  gap: 8px;
  background: var(--bg-card);
}
.ai-input-bar input {
  flex: 1;
  background: var(--bg-input);
  border: var(--border);
  border-radius: var(--r-sm);
  padding: 9px 14px;
  color: var(--text-primary);
  font-family: var(--font-sans);
  font-size: 0.9rem;
  outline: none;
}
.ai-input-bar input:focus { border-color: var(--color-blue); box-shadow: 0 0 0 3px rgba(59,130,246,0.12); }

/* ============================================================
   ADMIN
   ============================================================ */
.admin-metrics-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
  gap: 1rem;
  margin-bottom: 2rem;
}
.metric-card {
  background: var(--bg-card);
  border: var(--border);
  border-radius: var(--r-md);
  padding: 1.25rem;
  display: flex;
  align-items: center;
  gap: 1rem;
}
.metric-icon {
  width: 48px; height: 48px;
  border-radius: var(--r-sm);
  background: rgba(59,130,246,0.1);
  border: 1px solid rgba(59,130,246,0.2);
  display: flex; align-items: center; justify-content: center;
  color: var(--color-blue); font-size: 1.4rem; flex-shrink: 0;
}
.metric-info h4 { font-size: 0.8rem; color: var(--text-muted); text-transform: uppercase; letter-spacing: 0.4px; margin-bottom: 4px; }
.metric-value { font-size: 1.75rem; font-weight: 800; color: var(--text-primary); }

.admin-tabs { display: flex; gap: 2px; border-bottom: var(--border); margin-bottom: 1.5rem; }
.admin-tab {
  padding: 10px 18px; background: none; border: none;
  border-bottom: 2px solid transparent;
  color: var(--text-secondary);
  font-size: 0.9rem; font-weight: 600;
  cursor: pointer; display: flex; align-items: center; gap: 7px;
  transition: color var(--t-fast) var(--ease);
  margin-bottom: -1px;
}
.admin-tab:hover, .admin-tab.active { color: var(--color-blue); border-bottom-color: var(--color-blue); }

.table-responsive {
  background: var(--bg-card);
  border: var(--border);
  border-radius: var(--r-md);
  overflow: auto;
}
.admin-table { width: 100%; border-collapse: collapse; text-align: left; min-width: 560px; }
.admin-table th {
  padding: 12px 16px; font-size: 0.78rem; color: var(--text-muted);
  text-transform: uppercase; letter-spacing: 0.4px;
  background: var(--bg-surface); border-bottom: var(--border);
  font-weight: 600;
}
.admin-table td { padding: 13px 16px; border-bottom: 1px solid rgba(48,54,61,0.6); font-size: 0.88rem; color: var(--text-secondary); }
.admin-table tr:last-child td { border-bottom: none; }
.admin-table tr:hover td { background: rgba(255,255,255,0.02); color: var(--text-primary); }

.action-btns { display: flex; gap: 6px; }
.btn-edit {
  padding: 5px 10px; border-radius: var(--r-sm);
  background: rgba(59,130,246,0.1); color: var(--color-blue);
  border: 1px solid rgba(59,130,246,0.25); cursor: pointer; font-size: 0.8rem;
  transition: all var(--t-fast) var(--ease);
}
.btn-edit:hover { background: var(--color-blue); color: #fff; }
.btn-delete {
  padding: 5px 10px; border-radius: var(--r-sm);
  background: rgba(239,68,68,0.08); color: var(--color-red);
  border: 1px solid rgba(239,68,68,0.2); cursor: pointer; font-size: 0.8rem;
  transition: all var(--t-fast) var(--ease);
}
.btn-delete:hover { background: var(--color-red); color: #fff; }

/* ============================================================
   FOOTER — simple, sans navigation
   ============================================================ */
.footer {
  margin-top: auto;
  border-top: var(--border);
  padding: 1.5rem 0;
  background: var(--bg-base);
}
.footer-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1rem;
  flex-wrap: wrap;
}
.footer-brand { display: flex; align-items: center; gap: 10px; }
.footer-brand img { height: 26px; }
.footer-copy { font-size: 0.82rem; color: var(--text-muted); }
.footer-tagline { font-size: 0.82rem; color: var(--text-muted); }

/* ============================================================
   FAB
   ============================================================ */
.fab-ai {
  position: fixed;
  bottom: 24px; right: 24px;
  width: 52px; height: 52px;
  border-radius: 50%;
  background: var(--color-purple);
  border: none;
  color: #fff;
  font-size: 1.35rem;
  cursor: pointer;
  box-shadow: 0 4px 16px rgba(124,58,237,0.4);
  display: flex; align-items: center; justify-content: center;
  transition: transform var(--t-mid) var(--ease), box-shadow var(--t-mid) var(--ease);
  z-index: 100;
}
.fab-ai:hover { transform: translateY(-3px); box-shadow: 0 8px 24px rgba(124,58,237,0.5); }

/* ============================================================
   TERM OF DAY
   ============================================================ */
.tod-card {
  background: var(--bg-card);
  border: var(--border);
  border-radius: var(--r-lg);
  padding: 1.5rem 2rem;
  display: flex;
  align-items: center;
  gap: 1.5rem;
  margin-bottom: 2.5rem;
}
.tod-icon-wrap {
  width: 64px; height: 64px;
  border-radius: var(--r-md);
  background: rgba(59,130,246,0.1);
  border: 1px solid rgba(59,130,246,0.2);
  display: flex; align-items: center; justify-content: center;
  font-size: 1.8rem; color: var(--color-blue); flex-shrink: 0;
}
.tod-label { font-size: 0.75rem; font-weight: 700; text-transform: uppercase; letter-spacing: 0.6px; color: var(--color-blue); margin-bottom: 6px; }
.tod-title { font-size: 1.35rem; font-weight: 700; margin-bottom: 6px; }
.tod-desc { font-size: 0.9rem; color: var(--text-secondary); line-height: 1.6; }

@media (max-width: 600px) {
  .tod-card { flex-direction: column; align-items: flex-start; padding: 1.25rem; }
}

/* ============================================================
   ANIMATIONS
   ============================================================ */
@keyframes blink { 0%,100% { opacity: 0.2; } 50% { opacity: 1; } }
@keyframes spin   { to { transform: rotate(360deg); } }