/* ==========================================================
   Trần Văn Quý Academy — Khu vực học viên (dark theme)
   ========================================================== */

:root {
  --d-bg: #0b0d13;
  --d-sidebar: #12141c;
  --d-topbar: #12141cee;
  --d-card: #1a1d28;
  --d-card-hover: #21242f;
  --d-border: #262a38;
  --d-text: #e9eaf1;
  --d-text-muted: #9296a8;
  --d-text-faint: #656b80;
  --gold: #f4b942;
  --gold-dark: #d99a1e;
  --good: #33c37f;
  --danger: #f2545b;
  --radius: 12px;
}

* { box-sizing: border-box; }

body.auth-body, body.dash-body {
  margin: 0;
  background: var(--d-bg);
  color: var(--d-text);
  font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, Arial, sans-serif;
  line-height: 1.5;
}

a { color: inherit; text-decoration: none; }
button { font-family: inherit; }
img { max-width: 100%; display: block; }

.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 6px;
  padding: 11px 20px;
  border-radius: 10px;
  font-weight: 700;
  font-size: 0.9rem;
  border: 1px solid transparent;
  cursor: pointer;
  transition: transform .15s ease, box-shadow .15s ease, background .15s ease, opacity .15s ease;
}
.btn:hover { transform: translateY(-1px); }
.btn-primary {
  background: linear-gradient(135deg, var(--gold), var(--gold-dark));
  color: #14151c;
  box-shadow: 0 8px 18px rgba(244, 185, 66, 0.25);
}
.btn-outline {
  background: transparent;
  border-color: var(--d-border);
  color: var(--d-text);
}
.btn-outline:hover { background: var(--d-card-hover); }
.btn-sm { padding: 7px 14px; font-size: 0.8rem; }
.btn-block { width: 100%; }
.btn:disabled { opacity: .55; cursor: default; transform: none; }

/* ---------------- AUTH (login/signup) ---------------- */
.auth-body {
  min-height: 100vh;
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 24px;
  background: radial-gradient(circle at 20% 0%, #1b1408 0%, var(--d-bg) 55%);
}
.auth-wrap { width: 100%; max-width: 420px; }
.auth-logo {
  display: flex;
  align-items: center;
  gap: 10px;
  justify-content: center;
  margin-bottom: 28px;
  font-weight: 800;
  font-size: 1.15rem;
}
.logo-badge {
  width: 36px; height: 36px;
  border-radius: 10px;
  background: linear-gradient(135deg, var(--gold), var(--gold-dark));
  color: #14151c;
  display: flex; align-items: center; justify-content: center;
  font-size: 0.78rem; font-weight: 800;
}
.logo-text small { display: block; font-size: 0.65rem; font-weight: 600; color: var(--d-text-muted); letter-spacing: .04em; }

.auth-card {
  background: var(--d-card);
  border: 1px solid var(--d-border);
  border-radius: 16px;
  padding: 28px;
}
.auth-tabs { display: flex; gap: 6px; background: var(--d-bg); border-radius: 10px; padding: 4px; margin-bottom: 22px; }
.auth-tab {
  flex: 1;
  padding: 9px 0;
  border: none;
  background: none;
  color: var(--d-text-muted);
  font-weight: 700;
  font-size: 0.88rem;
  border-radius: 8px;
  cursor: pointer;
}
.auth-tab.active { background: var(--d-card-hover); color: var(--gold); }

.auth-form label { display: block; font-size: 0.82rem; font-weight: 700; margin: 14px 0 6px; color: var(--d-text-muted); }
.auth-form label:first-child { margin-top: 0; }
.auth-form input {
  width: 100%;
  padding: 11px 14px;
  border-radius: 10px;
  border: 1px solid var(--d-border);
  background: var(--d-bg);
  color: var(--d-text);
  font-size: 0.92rem;
}
.auth-form input:focus { outline: 2px solid var(--gold); border-color: var(--gold); }
.auth-form .btn { margin-top: 18px; }
.auth-msg { min-height: 1.2em; text-align: center; font-size: 0.85rem; font-weight: 700; margin: 10px 0 0; }
.auth-msg.error { color: var(--danger); }
.auth-demo { margin-top: 14px; }
.auth-note { font-size: 0.78rem; color: var(--d-text-faint); text-align: center; margin-top: 18px; line-height: 1.6; }

/* ---------------- DASHBOARD SHELL ---------------- */
.dash-body { display: flex; min-height: 100vh; }

/* Sidebar */
.dash-sidebar {
  width: 260px;
  flex-shrink: 0;
  background: var(--d-sidebar);
  border-right: 1px solid var(--d-border);
  display: flex;
  flex-direction: column;
  height: 100vh;
  position: sticky;
  top: 0;
  transition: width .2s ease;
}
.dash-sidebar.collapsed { width: 78px; }
.dash-sidebar.collapsed .sidebar-label,
.dash-sidebar.collapsed .nav-group-title,
.dash-sidebar.collapsed .cta-box,
.dash-sidebar.collapsed .level-box .level-text,
.dash-sidebar.collapsed .profile-info,
.dash-sidebar.collapsed .logo-text,
.dash-sidebar.collapsed .submenu { display: none; }

.sidebar-top {
  display: flex;
  align-items: center;
  gap: 10px;
  padding: 18px 16px;
  border-bottom: 1px solid var(--d-border);
}
.sidebar-top .logo-text { font-weight: 800; font-size: 0.98rem; white-space: nowrap; }
.sidebar-collapse-btn {
  margin-left: auto;
  background: none;
  border: none;
  color: var(--d-text-muted);
  cursor: pointer;
  font-size: 1rem;
  padding: 4px;
}
.sidebar-collapse-btn:hover { color: var(--gold); }

.sidebar-nav { flex: 1; overflow-y: auto; padding: 14px 12px; }
.nav-group-title {
  font-size: 0.7rem;
  font-weight: 800;
  letter-spacing: 0.06em;
  color: var(--d-text-faint);
  padding: 14px 10px 6px;
}
.nav-group-title:first-child { padding-top: 4px; }

.nav-item {
  display: flex;
  align-items: center;
  gap: 10px;
  width: 100%;
  padding: 10px 10px;
  border-radius: 9px;
  border: none;
  background: none;
  color: var(--d-text-muted);
  font-size: 0.88rem;
  font-weight: 600;
  text-align: left;
  cursor: pointer;
  margin-bottom: 2px;
}
.nav-item .ic { width: 18px; text-align: center; flex-shrink: 0; }
.nav-item:hover { background: var(--d-card-hover); color: var(--d-text); }
.nav-item.active { background: rgba(244,185,66,0.12); color: var(--gold); }
.nav-item .chev { margin-left: auto; font-size: 0.7rem; transition: transform .15s ease; }
.nav-item.expanded .chev { transform: rotate(90deg); }

.submenu { padding-left: 30px; margin-bottom: 4px; }
.submenu-item {
  display: block;
  width: 100%;
  text-align: left;
  padding: 7px 10px;
  border: none;
  background: none;
  color: var(--d-text-faint);
  font-size: 0.82rem;
  border-radius: 7px;
  cursor: pointer;
}
.submenu-item:hover { color: var(--d-text); background: var(--d-card-hover); }
.submenu-item.active { color: var(--gold); }

.cta-box {
  margin: 8px 6px;
  padding: 14px;
  border-radius: 12px;
  background: linear-gradient(160deg, rgba(244,185,66,0.14), rgba(244,185,66,0.03));
  border: 1px solid rgba(244,185,66,0.25);
}
.cta-box .cta-icon { font-size: 1.1rem; }
.cta-box strong { display: block; font-size: 0.85rem; margin: 6px 0 3px; }
.cta-box p { font-size: 0.76rem; color: var(--d-text-muted); margin: 0 0 10px; }

.level-box { padding: 12px 16px; border-top: 1px solid var(--d-border); }
.level-box .level-text { display: flex; justify-content: space-between; font-size: 0.78rem; font-weight: 700; margin-bottom: 6px; }
.level-box .level-text span:first-child { color: var(--d-text); }
.level-box .level-text span:last-child { color: var(--d-text-faint); font-weight: 600; }
.level-bar { height: 6px; border-radius: 4px; background: var(--d-border); overflow: hidden; }
.level-bar-fill { height: 100%; background: linear-gradient(90deg, var(--gold), var(--gold-dark)); border-radius: 4px; }

.sidebar-profile {
  display: flex;
  align-items: center;
  gap: 10px;
  padding: 14px 16px;
  border-top: 1px solid var(--d-border);
}
.avatar-circle {
  width: 36px; height: 36px;
  border-radius: 50%;
  background: linear-gradient(135deg, var(--gold), var(--gold-dark));
  color: #14151c;
  display: flex; align-items: center; justify-content: center;
  font-weight: 800;
  font-size: 0.75rem;
  flex-shrink: 0;
}
.profile-info { min-width: 0; flex: 1; }
.profile-info strong { display: block; font-size: 0.84rem; white-space: nowrap; overflow: hidden; text-overflow: ellipsis; }
.profile-info small { display: block; font-size: 0.72rem; color: var(--d-text-faint); white-space: nowrap; overflow: hidden; text-overflow: ellipsis; }
.logout-icon-btn {
  background: none; border: none; color: var(--d-text-faint); cursor: pointer; font-size: 1rem; padding: 6px;
}
.logout-icon-btn:hover { color: var(--danger); }

/* Main column */
.dash-main { flex: 1; min-width: 0; display: flex; flex-direction: column; }

.dash-topbar {
  position: sticky;
  top: 0;
  z-index: 20;
  display: flex;
  align-items: center;
  gap: 20px;
  padding: 14px 28px;
  background: var(--d-topbar);
  backdrop-filter: blur(10px);
  border-bottom: 1px solid var(--d-border);
}
.mobile-menu-btn { display: none; background: none; border: none; color: var(--d-text); font-size: 1.2rem; cursor: pointer; }
.topbar-title h1 { font-size: 1.15rem; margin: 0; font-weight: 800; }
.topbar-title p { font-size: 0.78rem; color: var(--d-text-muted); margin: 2px 0 0; }

.topbar-nav { display: flex; gap: 18px; margin-left: 12px; }
.topbar-nav a { font-size: 0.85rem; font-weight: 600; color: var(--d-text-muted); }
.topbar-nav a:hover { color: var(--d-text); }

.topbar-right { margin-left: auto; display: flex; align-items: center; gap: 14px; }

.topbar-search { position: relative; }
.topbar-search input {
  width: 200px;
  padding: 9px 14px 9px 34px;
  border-radius: 999px;
  border: 1px solid var(--d-border);
  background: var(--d-card);
  color: var(--d-text);
  font-size: 0.84rem;
}
.topbar-search input:focus { outline: 2px solid var(--gold); border-color: var(--gold); }
.topbar-search .search-ic { position: absolute; left: 12px; top: 50%; transform: translateY(-50%); font-size: 0.85rem; color: var(--d-text-faint); }

.icon-btn {
  position: relative;
  width: 38px; height: 38px;
  border-radius: 50%;
  background: var(--d-card);
  border: 1px solid var(--d-border);
  color: var(--d-text-muted);
  cursor: pointer;
  font-size: 1rem;
  display: flex; align-items: center; justify-content: center;
}
.icon-btn:hover { color: var(--gold); }
.notif-dot {
  position: absolute; top: 6px; right: 7px;
  width: 8px; height: 8px; border-radius: 50%;
  background: var(--danger);
  border: 2px solid var(--d-topbar);
}
.notif-dot.hidden { display: none; }

.dropdown { position: relative; }
.dropdown-panel {
  position: absolute;
  top: calc(100% + 10px);
  right: 0;
  width: 300px;
  background: var(--d-card);
  border: 1px solid var(--d-border);
  border-radius: 12px;
  box-shadow: 0 16px 40px rgba(0,0,0,0.45);
  overflow: hidden;
  display: none;
  z-index: 40;
}
.dropdown-panel.open { display: block; }
.dropdown-header { padding: 14px 16px; border-bottom: 1px solid var(--d-border); font-size: 0.85rem; font-weight: 700; }
.dropdown-header small { display: block; font-weight: 500; color: var(--d-text-faint); font-size: 0.74rem; margin-top: 2px; }

.notif-item { padding: 12px 16px; border-bottom: 1px solid var(--d-border); font-size: 0.82rem; color: var(--d-text-muted); cursor: default; }
.notif-item:last-child { border-bottom: none; }
.notif-item strong { display: block; color: var(--d-text); font-size: 0.83rem; margin-bottom: 2px; }
.notif-empty { padding: 24px 16px; text-align: center; color: var(--d-text-faint); font-size: 0.82rem; }

.user-menu-item {
  display: flex;
  align-items: center;
  gap: 10px;
  width: 100%;
  padding: 11px 16px;
  border: none;
  background: none;
  color: var(--d-text-muted);
  font-size: 0.85rem;
  font-weight: 600;
  text-align: left;
  cursor: pointer;
}
.user-menu-item:hover { background: var(--d-card-hover); color: var(--d-text); }
.user-menu-item.danger { color: var(--danger); }
.user-menu-item.danger:hover { background: rgba(242,84,91,0.1); }
.dropdown-divider { height: 1px; background: var(--d-border); margin: 4px 0; }

.avatar-btn { background: none; border: none; cursor: pointer; padding: 0; }

/* Content */
.dash-content { padding: 28px; max-width: 1180px; }
.dash-panel { display: none; animation: fadeIn .2s ease; }
.dash-panel.active { display: block; }
@keyframes fadeIn { from { opacity: 0; transform: translateY(4px);} to { opacity:1; transform:none; } }

.panel-toolbar { display: flex; align-items: center; gap: 12px; margin-bottom: 22px; flex-wrap: wrap; }
.filter-tabs { display: flex; gap: 8px; flex-wrap: wrap; }
.filter-tab {
  padding: 8px 16px;
  border-radius: 999px;
  border: 1px solid var(--d-border);
  background: var(--d-card);
  color: var(--d-text-muted);
  font-size: 0.82rem;
  font-weight: 700;
  cursor: pointer;
}
.filter-tab.active { background: var(--gold); color: #14151c; border-color: var(--gold); }

.grid { display: grid; gap: 18px; }
.grid-3 { grid-template-columns: repeat(auto-fit, minmax(220px, 1fr)); }
.grid-4 { grid-template-columns: repeat(auto-fit, minmax(190px, 1fr)); }

.stat-card {
  background: var(--d-card);
  border: 1px solid var(--d-border);
  border-radius: var(--radius);
  padding: 18px;
}
.stat-card .stat-ic { font-size: 1.3rem; }
.stat-card .stat-num { font-size: 1.6rem; font-weight: 800; margin: 8px 0 2px; }
.stat-card .stat-lbl { font-size: 0.8rem; color: var(--d-text-muted); }

.card {
  background: var(--d-card);
  border: 1px solid var(--d-border);
  border-radius: var(--radius);
  overflow: hidden;
}
.card-body { padding: 16px; }
.card-thumb {
  height: 120px;
  background: linear-gradient(135deg, #2a2410, #14151c 70%);
  display: flex; align-items: center; justify-content: center;
  font-size: 1.8rem;
  position: relative;
}
.card-thumb .badge {
  position: absolute; top: 10px; left: 10px;
  background: var(--gold); color: #14151c;
  font-size: 0.68rem; font-weight: 800;
  padding: 3px 10px; border-radius: 999px;
}
.card h3, .card h4 { margin: 0 0 6px; font-size: 1rem; }
.card p.muted { color: var(--d-text-muted); font-size: 0.85rem; margin: 0 0 10px; }
.card .meta { display: flex; gap: 12px; font-size: 0.75rem; color: var(--d-text-faint); margin-top: 10px; }

.progress-row { display: flex; align-items: center; gap: 10px; margin: 10px 0; }
.progress-bar { flex: 1; height: 7px; border-radius: 4px; background: var(--d-border); overflow: hidden; }
.progress-bar-fill { height: 100%; border-radius: 4px; background: linear-gradient(90deg, var(--gold), var(--gold-dark)); }
.progress-pct { font-size: 0.78rem; font-weight: 700; color: var(--gold); width: 34px; text-align: right; }

.lesson-list { border-top: 1px solid var(--d-border); }
.lesson-item { display: flex; align-items: center; gap: 10px; padding: 10px 16px; border-bottom: 1px solid var(--d-border); font-size: 0.85rem; }
.lesson-item:last-child { border-bottom: none; }
.lesson-item input[type=checkbox] { width: 16px; height: 16px; accent-color: var(--gold); cursor: pointer; }
.lesson-item.done span { color: var(--d-text-faint); text-decoration: line-through; }

.empty-state { text-align: center; padding: 50px 20px; color: var(--d-text-faint); }
.empty-state .big-ic { font-size: 2rem; margin-bottom: 10px; }

/* Forum */
.forum-thread { display: flex; gap: 12px; padding: 14px 16px; border-bottom: 1px solid var(--d-border); }
.forum-thread:last-child { border-bottom: none; }
.forum-thread .avatar-circle { width: 32px; height: 32px; font-size: 0.68rem; }
.forum-thread-body { flex: 1; min-width: 0; }
.forum-thread-body strong { font-size: 0.9rem; }
.forum-thread-body p { margin: 4px 0 6px; font-size: 0.83rem; color: var(--d-text-muted); }
.forum-thread-meta { font-size: 0.74rem; color: var(--d-text-faint); }
.new-thread-box { padding: 14px 16px; border-bottom: 1px solid var(--d-border); }
.new-thread-box textarea {
  width: 100%; min-height: 64px; padding: 10px 12px; border-radius: 10px;
  border: 1px solid var(--d-border); background: var(--d-bg); color: var(--d-text);
  font-family: inherit; font-size: 0.85rem; resize: vertical;
}
.new-thread-box .btn { margin-top: 8px; }

/* Leaderboard table */
.lb-table { width: 100%; border-collapse: collapse; }
.lb-table th { text-align: left; font-size: 0.72rem; color: var(--d-text-faint); padding: 10px 16px; border-bottom: 1px solid var(--d-border); }
.lb-table td { padding: 12px 16px; border-bottom: 1px solid var(--d-border); font-size: 0.86rem; }
.lb-table tr.me { background: rgba(244,185,66,0.08); }
.lb-rank { font-weight: 800; color: var(--d-text-faint); width: 40px; }
.lb-rank.top1 { color: #ffd35c; }
.lb-rank.top2 { color: #cfd4e0; }
.lb-rank.top3 { color: #d99a5c; }

/* Events */
.event-card { display: flex; gap: 16px; padding: 16px; align-items: center; }
.event-date { text-align: center; background: var(--d-bg); border: 1px solid var(--d-border); border-radius: 10px; padding: 8px 12px; flex-shrink: 0; min-width: 56px; }
.event-date .d { font-size: 1.2rem; font-weight: 800; color: var(--gold); }
.event-date .m { font-size: 0.7rem; color: var(--d-text-faint); text-transform: uppercase; }
.event-info { flex: 1; min-width: 0; }
.event-info strong { font-size: 0.92rem; }
.event-info p { margin: 4px 0 0; font-size: 0.8rem; color: var(--d-text-muted); }

/* Settings / profile forms */
.settings-form { max-width: 480px; }
.settings-form label { display: block; font-size: 0.82rem; font-weight: 700; margin: 16px 0 6px; color: var(--d-text-muted); }
.settings-form label:first-child { margin-top: 0; }
.settings-form input { width: 100%; padding: 11px 14px; border-radius: 10px; border: 1px solid var(--d-border); background: var(--d-bg); color: var(--d-text); font-size: 0.9rem; }
.settings-form .btn { margin-top: 18px; }

.toggle-row { display: flex; align-items: center; justify-content: space-between; padding: 12px 0; border-bottom: 1px solid var(--d-border); }
.toggle-row:last-child { border-bottom: none; }
.toggle-row strong { display: block; font-size: 0.88rem; }
.toggle-row span { font-size: 0.78rem; color: var(--d-text-muted); }
.switch { position: relative; width: 42px; height: 24px; flex-shrink: 0; }
.switch input { opacity: 0; width: 0; height: 0; }
.switch .slider { position: absolute; inset: 0; background: var(--d-border); border-radius: 999px; cursor: pointer; transition: background .15s ease; }
.switch .slider::before { content:''; position: absolute; width: 18px; height: 18px; left: 3px; top: 3px; background: #fff; border-radius: 50%; transition: transform .15s ease; }
.switch input:checked + .slider { background: var(--gold); }
.switch input:checked + .slider::before { transform: translateX(18px); }

/* Toast */
#toastHost { position: fixed; bottom: 24px; right: 24px; display: flex; flex-direction: column; gap: 10px; z-index: 100; }
.toast {
  background: var(--d-card);
  border: 1px solid var(--d-border);
  border-left: 3px solid var(--gold);
  border-radius: 10px;
  padding: 12px 16px;
  font-size: 0.85rem;
  color: var(--d-text);
  box-shadow: 0 10px 24px rgba(0,0,0,0.4);
  min-width: 240px;
  animation: toastIn .2s ease;
}
@keyframes toastIn { from { opacity:0; transform: translateY(8px);} to {opacity:1; transform:none;} }

.section-heading { margin-bottom: 18px; }
.section-heading h2 { font-size: 1.25rem; margin: 0 0 4px; }
.section-heading p { color: var(--d-text-muted); font-size: 0.88rem; margin: 0; }

/* ---------------- AI Chat Widget ---------------- */
.chat-fab {
  position: fixed;
  bottom: 24px;
  right: 24px;
  width: 58px; height: 58px;
  border-radius: 50%;
  background: linear-gradient(135deg, var(--gold), var(--gold-dark));
  color: #14151c;
  border: none;
  font-size: 1.5rem;
  cursor: pointer;
  box-shadow: 0 10px 28px rgba(244,185,66,0.4);
  z-index: 200;
  display: flex; align-items: center; justify-content: center;
  transition: transform .15s ease;
}
.chat-fab:hover { transform: scale(1.06); }
.chat-fab .chat-fab-dot {
  position: absolute; top: 2px; right: 2px;
  width: 12px; height: 12px; border-radius: 50%;
  background: var(--danger);
  border: 2px solid var(--d-bg);
}
.chat-fab .chat-fab-dot.hidden { display: none; }

.chat-panel {
  position: fixed;
  bottom: 96px;
  right: 24px;
  width: 360px;
  max-width: calc(100vw - 32px);
  height: 520px;
  max-height: calc(100vh - 140px);
  background: var(--d-card);
  border: 1px solid var(--d-border);
  border-radius: 18px;
  box-shadow: 0 24px 60px rgba(0,0,0,0.5);
  display: none;
  flex-direction: column;
  overflow: hidden;
  z-index: 200;
}
.chat-panel.open { display: flex; }

.chat-header {
  display: flex;
  align-items: center;
  gap: 10px;
  padding: 14px 16px;
  background: var(--d-sidebar);
  border-bottom: 1px solid var(--d-border);
}
.chat-header .chat-avatar {
  width: 36px; height: 36px;
  border-radius: 50%;
  background: linear-gradient(135deg, var(--gold), var(--gold-dark));
  color: #14151c;
  display: flex; align-items: center; justify-content: center;
  font-weight: 800;
  font-size: 0.9rem;
  flex-shrink: 0;
}
.chat-header-text { flex: 1; min-width: 0; }
.chat-header-text strong { display: block; font-size: 0.92rem; }
.chat-header-text small { display: block; font-size: 0.72rem; color: var(--gold); }
.chat-close-btn {
  background: none; border: none; color: var(--d-text-faint);
  font-size: 1.1rem; cursor: pointer; padding: 4px;
}
.chat-close-btn:hover { color: var(--d-text); }

.chat-messages {
  flex: 1;
  overflow-y: auto;
  padding: 16px;
  display: flex;
  flex-direction: column;
  gap: 12px;
}
.chat-bubble-row { display: flex; gap: 8px; align-items: flex-start; }
.chat-bubble-row.user { flex-direction: row-reverse; }
.chat-bubble-avatar {
  width: 26px; height: 26px; border-radius: 50%; flex-shrink: 0;
  display: flex; align-items: center; justify-content: center;
  font-size: 0.68rem; font-weight: 800;
}
.chat-bubble-row.bot .chat-bubble-avatar { background: linear-gradient(135deg, var(--gold), var(--gold-dark)); color: #14151c; }
.chat-bubble-row.user .chat-bubble-avatar { background: var(--d-border); color: var(--d-text); }
.chat-bubble {
  max-width: 78%;
  padding: 10px 13px;
  border-radius: 14px;
  font-size: 0.85rem;
  line-height: 1.5;
  white-space: pre-wrap;
}
.chat-bubble-row.bot .chat-bubble { background: var(--d-bg); border: 1px solid var(--d-border); color: var(--d-text); border-top-left-radius: 4px; }
.chat-bubble-row.user .chat-bubble { background: var(--gold); color: #14151c; border-top-right-radius: 4px; font-weight: 600; }

.chat-quick-replies { display: flex; flex-direction: column; gap: 8px; margin-top: 4px; }
.chat-quick-btn {
  text-align: left;
  padding: 10px 12px;
  border-radius: 10px;
  border: 1px solid var(--d-border);
  background: var(--d-bg);
  color: var(--d-text-muted);
  font-size: 0.8rem;
  cursor: pointer;
}
.chat-quick-btn:hover { border-color: var(--gold); color: var(--d-text); }

.chat-typing { display: flex; gap: 4px; padding: 10px 13px; }
.chat-typing span { width: 6px; height: 6px; border-radius: 50%; background: var(--d-text-faint); animation: chatTyping 1s infinite ease-in-out; }
.chat-typing span:nth-child(2) { animation-delay: .15s; }
.chat-typing span:nth-child(3) { animation-delay: .3s; }
@keyframes chatTyping { 0%, 60%, 100% { opacity: .3; transform: translateY(0); } 30% { opacity: 1; transform: translateY(-3px); } }

.chat-input-row {
  display: flex;
  gap: 8px;
  padding: 12px;
  border-top: 1px solid var(--d-border);
}
.chat-input-row input {
  flex: 1;
  padding: 10px 14px;
  border-radius: 999px;
  border: 1px solid var(--d-border);
  background: var(--d-bg);
  color: var(--d-text);
  font-size: 0.85rem;
}
.chat-input-row input:focus { outline: 2px solid var(--gold); border-color: var(--gold); }
.chat-send-btn {
  width: 40px; height: 40px;
  border-radius: 50%;
  border: none;
  background: linear-gradient(135deg, var(--gold), var(--gold-dark));
  color: #14151c;
  font-size: 1rem;
  cursor: pointer;
  flex-shrink: 0;
  display: flex; align-items: center; justify-content: center;
}
.chat-send-btn:disabled { opacity: .5; cursor: default; }
.chat-footer-note {
  text-align: center;
  font-size: 0.68rem;
  color: var(--d-text-faint);
  padding: 6px 0 10px;
}

@media (max-width: 480px) {
  .chat-panel { width: calc(100vw - 32px); right: 16px; bottom: 88px; height: 65vh; }
  .chat-fab { right: 16px; bottom: 16px; }
}

/* Mobile */
.sidebar-backdrop { display: none; }
@media (max-width: 920px) {
  .dash-sidebar {
    position: fixed;
    left: -280px;
    top: 0;
    z-index: 60;
    transition: left .2s ease;
    width: 260px !important;
  }
  .dash-sidebar.mobile-open { left: 0; }
  .sidebar-backdrop {
    display: none;
    position: fixed; inset: 0; background: rgba(0,0,0,0.5); z-index: 50;
  }
  .sidebar-backdrop.open { display: block; }
  .mobile-menu-btn { display: inline-flex; }
  .topbar-nav { display: none; }
  .topbar-search input { width: 140px; }
  .dash-content { padding: 18px; }
  .sidebar-collapse-btn { display: none; }
}