/* Shared visual system. Loaded after page styles to keep layouts intact. */
:root {
  color-scheme: dark;
  --bg: #0B0B0D; --bg2: #141417; --panel: #141417; --panel2: #1B1B1F;
  --border: rgba(255,255,255,.08); --border2: rgba(255,255,255,.14);
  --text: #EDEDEF; --muted: #8E8E96; --disabled: #5A5A62;
  --accent: #8B5CF6;
  --cloc: #8E8E96; --disc: #8E8E96; --flex: #8E8E96; --plus: #8E8E96; --inf: #EDEDEF;
  --green: #8B5CF6; --danger: #EDEDEF;
  --cloc-bg: #1B1B1F; --disc-bg: #1B1B1F; --flex-bg: #1B1B1F; --plus-bg: #1B1B1F; --inf-bg: #1B1B1F;
  --shadow-sm: none; --shadow-md: none; --shadow-lg: none;
  --font-hd: 'Inter', system-ui, sans-serif;
  --font-bd: 'Inter', system-ui, sans-serif;
  --font-body: 'Inter', system-ui, sans-serif;
  --ease-out: cubic-bezier(.22,1,.36,1);
}
body { background: var(--bg); background-image: none; font-size: 16px; line-height: 1.6; }
button, input, select, textarea { font-family: var(--font-bd); }
:focus-visible { outline: 2px solid var(--accent); outline-offset: 4px; }
button:disabled, input:disabled { color: var(--disabled); cursor: not-allowed; }
input::placeholder, textarea::placeholder { color: var(--disabled); }
.top-nav { background: rgba(20,20,23,.88); border-bottom: 1px solid var(--border); backdrop-filter: blur(12px); -webkit-backdrop-filter: blur(12px); }
.top-nav-inner { max-width: 1200px; height: 72px; padding: 0 32px; }
.top-nav-logo { font-size: 16px; font-weight: 600; letter-spacing: -.02em; text-transform: none; }
.top-nav-logo::before { content: none; }
.top-nav-link, .nav-dropdown-btn, .nav-drop-item { font-size: 16px; letter-spacing: 0; text-transform: none; border-radius: 10px; }
.top-nav-link.active, .nav-dropdown-btn.active, .nav-drop-item.active { color: var(--accent); }
.top-nav-link.active::after, .nav-dropdown-btn.active::after { background: var(--accent); height: 1px; }
.nav-dropdown-inner { background: var(--panel2); backdrop-filter: none; border: 1px solid var(--border); box-shadow: none; }
.nav-dropdown { left: auto; right: 0; min-width: 208px; max-width: calc(100vw - 32px); padding-top: 8px; transform: none; transition: opacity .2s, visibility .2s; }
.nav-dropdown-wrap.is-open .nav-dropdown { opacity: 1; visibility: visible; pointer-events: auto; transform: none; }
.nav-drop-item { white-space: nowrap; min-height: 44px; }
.line-icon { width: 20px; height: 20px; display: inline-block; flex-shrink: 0; color: var(--muted); vertical-align: middle; }
.line-icon * { stroke-width: 1.5; }
.hero, .home-hero, .profile-hero { background: var(--bg); }
.hero::before, .home-hero::before { background: radial-gradient(ellipse at 50% 0%, rgba(139,92,246,.12), transparent 65%); }
.hero::after, .home-hero::after, .profile-hero::before, .profile-hero::after { content: none; }
.hero-inner { max-width: 1200px; padding: 104px 32px; }
.hero-title, .page-title, .home-title, .profile-name { font-weight: 600; font-size: clamp(32px,5vw,64px); letter-spacing: -.02em; line-height: 1.1; text-transform: none; }
.page-title span, .home-title .line2, .complete-title, .sidebar-brand-name, .top-nav-logo { background: none; color: var(--text); -webkit-text-fill-color: var(--text); background-clip: border-box; }
.home-wrap { min-height: calc(100vh - 72px); }
.home-hero { padding: 112px 24px 104px; }
.home-hero-inner { max-width: 720px; }
.home-title { margin-bottom: 24px; }
.home-title .line1, .home-title .line2 { display: inline; }
.home-desc { max-width: 520px; font-size: 16px; line-height: 1.6; margin-bottom: 40px; }
.home-eyebrow,  .page-eyebrow,  .profile-eyebrow,  .logo { font-size: 12px; letter-spacing: .1em; font-weight: 400; }
.home-eyebrow::before,  .home-eyebrow::after,  .logo::before,  .page-eyebrow::before,  .profile-eyebrow::before { content: none; }
 .card:hover,  .achiev-card.unlocked:hover { transform: none; box-shadow: none; border-color: var(--border2); background: var(--panel2); }
.quick-link { font-size: 16px; font-weight: 400; letter-spacing: 0; text-transform: none; border-radius: 10px; padding: 8px 16px; border-width: 1px; }
.home-footer { padding: 24px; }
.btn, .search-btn, .username-confirm, .login-btn, .btn-back { border-radius: 10px; font-size: 16px; font-weight: 600; text-transform: none; letter-spacing: 0; padding: 12px 24px; }
.btn-primary, .username-confirm, .login-btn, .search-btn, .btn-back { background: var(--accent); color: var(--text); }
.btn-primary:hover, .username-confirm:hover, .login-btn:hover, .search-btn:hover { background: #986DF7; transform: none; box-shadow: none; }
.btn:hover, .btn-back:hover { transform: none; }
.btn-sm { padding: 8px 16px; font-size: 12px; }
.btn-danger { background: var(--panel2); color: var(--text); border: 1px solid var(--border2); }
.btn-icon { padding: 0; }
.btn-ghost, .btn-danger-ghost { border-width: 1px; }
.card,  .history-card,  .stat-card,  .chart-card,  .achiev-card,  .login-card,  .complete-box,  .username-box { border: 1px solid var(--border); border-radius: 16px; box-shadow: none; }
.card.complete, .achiev-card.unlocked, .today-card { background: var(--panel); border-color: var(--border2); }
.content, .controls, .grid, .history-section, .site-footer, .profile-hero-inner, .today-bar, .search-inner { max-width: 1200px; }
.controls { margin: 40px auto 24px; gap: 16px; }
.grid { gap: 24px; grid-template-columns: repeat(3,minmax(0,1fr)); }
.card { padding: 24px; gap: 16px; }
.history-section { margin-top: 104px; }
.profile-hero { padding: 104px 32px; }
.history-title, .chart-title, .achiev-title-text { font-size: 16px; letter-spacing: -.02em; text-transform: none; }
 .search-input,  .username-input,  .login-input,  .field-select { background: var(--panel); border: 1px solid var(--border); border-radius: 10px; font-size: 16px; }
 .search-input:focus,  .username-input:focus,  .login-input:focus { border-color: var(--accent); box-shadow: 0 0 0 3px rgba(139,92,246,.12); }
.pill-btn.active, .view-tab.active, .date-btn.active, .modal-grade-btn.active { color: var(--accent); background: rgba(139,92,246,.1); border-color: rgba(139,92,246,.25); }
.lb-table tbody tr.rank-1, .lb-table tbody tr.rank-2, .lb-table tbody tr.rank-3 { background: var(--panel2) !important; }
.complete-modal,  .username-modal { background: rgba(11,11,13,.8); backdrop-filter: none; padding: 24px; }
.complete-box, .username-box { max-width: 100%; padding: 40px; max-height: calc(100dvh - 48px); overflow-y: auto; animation: slideUp .35s var(--ease-out); }
.error-code { font-size: 64px; font-weight: 600; color: var(--text); letter-spacing: -.02em; animation: none; text-shadow: none; }
.error-title { font-size: 16px; letter-spacing: -.02em; }
.error-panel { padding: 48px 32px; border-color: var(--border); box-shadow: none; }
.divider { height: 1px; background: var(--border); }
.refresh-dot { animation: none; background: var(--muted); }
.reveal-pending { opacity: 0; transform: translateY(8px); }
.reveal-visible { opacity: 1; transform: none; transition: opacity .35s var(--ease-out), transform .35s var(--ease-out); }
@media (max-width: 900px) {
  .grid { grid-template-columns: repeat(2,minmax(0,1fr)); }
}
@media (max-width: 640px) {
  .top-nav-inner { height: 64px; padding: 0 16px; gap: 8px; }
  .top-nav-link, .nav-dropdown-btn { padding: 8px; }
  .top-nav-link span.nav-emoji { display: inline-flex; }
  .nav-dropdown { left: auto; right: 0; transform: none; }
  .home-hero, .hero-inner, .profile-hero { padding: 64px 24px; }
  .grid { padding: 0 24px; grid-template-columns: minmax(0,1fr); }
  .controls { padding: 0 24px; }
  .pills { flex-wrap: wrap; }
  .search-box { min-width: 0; flex-basis: 100%; }
  .history-section { margin-top: 64px; padding: 0 24px; }
  .complete-box, .username-box { padding: 24px; }
  .site-footer { flex-wrap: wrap; gap: 16px; }
}
@media (prefers-reduced-motion: reduce) {
  *, *::before, *::after { animation: none !important; transition: none !important; scroll-behavior: auto !important; }
  .reveal-pending { opacity: 1; transform: none; }
}