/* ═══════════════════════════════════════════════════════
   VoidSector — Complete Design System v2
   Dark glass · Neon glow · Void Space aesthetic
═══════════════════════════════════════════════════════ */

:root {
  --bg:           #07070f;
  --surface:      #0c0c18;
  --card:         #131420;
  --card-solid:   #131420;
  --card-hover:   #181928;
  --primary:      #6366f1;
  --primary-hover:#4f46e5;
  --primary-rgb:  99,102,241;
  --secondary:    #8b5cf6;
  --accent:       #a855f7;
  --cyan:         #06b6d4;
  --pink:         #ec4899;
  --success:      #10b981;
  --success-dark: #059669;
  --error:        #ef4444;
  --error-rgb:    239,68,68;
  --error-dark:   #dc2626;
  --warning:      #f59e0b;
  --text:         #f1f1f8;
  --text-sub:     #a1a1b5;
  --muted:        #6b6b80;
  --border:       #1e1f32;
  --border-solid: #1e1f32;
  --radius:       14px;
  --radius-sm:    10px;
  --radius-lg:    20px;
  --topbar-h:     56px;
  --grad:         linear-gradient(135deg,#6366f1,#8b5cf6);
  --grad-text:    linear-gradient(135deg,#818cf8 0%,#a78bfa 50%,#c084fc 100%);
}

*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }
html { scroll-behavior: smooth; }

body {
  background: var(--bg);
  color: var(--text);
  font-family: 'Inter','Noto Sans Thai','Apple Color Emoji','Segoe UI Emoji','Noto Color Emoji',sans-serif;
  font-size: 15px;
  line-height: 1.6;
  min-height: 100vh;
  -webkit-font-smoothing: antialiased;
  position: relative;
  overflow-x: hidden;
}

.topbar, main, #app, .gm-page { position: relative; z-index: 1; }

a { color: var(--primary); text-decoration: none; transition: color .2s; }
a:hover { color: #a78bfa; }

/* ═══════════════════════════════════════════════════════
   TOPBAR
═══════════════════════════════════════════════════════ */
.topbar {
  position: fixed;
  top: 0; left: 0; right: 0;
  height: var(--topbar-h);
  background: var(--surface);
  border-bottom: 1px solid var(--border);
  display: flex;
  align-items: center;
  padding: 0 28px;
  gap: 16px;
  z-index: 100;
}

.logo {
  font-size: 17px;
  font-weight: 800;
  color: var(--text);
  text-decoration: none;
  letter-spacing: -0.5px;
  display: flex;
  align-items: center;
  gap: 9px;
}
.logo-dot {
  width: 8px; height: 8px;
  background: var(--primary);
  border-radius: 50%;
  flex-shrink: 0;
}
.logo:hover { color: #a78bfa; }

.topbar-nav {
  display: flex;
  align-items: center;
  gap: 2px;
  flex: 1;
}
.topbar-right {
  display: flex;
  align-items: center;
  gap: 10px;
  flex-shrink: 0;
}
.nav-link {
  color: var(--muted);
  text-decoration: none;
  padding: 6px 13px;
  border-radius: 8px;
  font-size: 13.5px;
  font-weight: 500;
  transition: all .2s;
  letter-spacing: 0.01em;
}
.nav-link:hover {
  color: var(--text);
  background: rgba(255,255,255,0.06);
}
.user-link { color: var(--text); font-weight: 600; }

/* ═══════════════════════════════════════════════════════
   BADGES
═══════════════════════════════════════════════════════ */
.streak-badge {
  background: rgba(251,146,60,0.1);
  color: #fb923c;
  border: 1px solid rgba(251,146,60,0.25);
  padding: 4px 11px;
  border-radius: 999px;
  font-size: 12px;
  font-weight: 600;
}
.xp-badge {
  background: rgba(var(--primary-rgb),0.1);
  color: #a5b4fc;
  border: 1px solid rgba(var(--primary-rgb),0.25);
  padding: 4px 11px;
  border-radius: 999px;
  font-size: 12px;
  font-weight: 600;
}
.guest-badge {
  font-size: 12px;
  color: var(--muted);
  background: rgba(255,255,255,0.04);
  border: 1px solid var(--border);
  border-radius: 999px;
  padding: 4px 12px;
}

/* ═══════════════════════════════════════════════════════
   BUTTONS
═══════════════════════════════════════════════════════ */
.btn-primary {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  background: var(--primary);
  color: #fff;
  padding: 10px 24px;
  border-radius: var(--radius-sm);
  font-weight: 700;
  font-size: 14.5px;
  border: none;
  cursor: pointer;
  text-decoration: none;
  transition: background .2s, transform .15s, box-shadow .2s;
  letter-spacing: 0.01em;
}
.btn-primary:hover {
  color: #fff;
  background: var(--primary-hover);
  transform: translateY(-1px);
  box-shadow: 0 6px 20px rgba(99,102,241,0.35);
}
.btn-primary:active { transform: translateY(0) scale(0.98); }
.btn-primary.btn-lg { padding: 14px 36px; font-size: 16px; border-radius: var(--radius); }
.btn-primary.btn-full { width: 100%; margin-top: 8px; }
.btn-primary.btn-sm { padding: 6px 14px; font-size: 13px; border-radius: 8px; }

.btn-outline {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  background: transparent;
  color: var(--muted);
  padding: 10px 24px;
  border-radius: var(--radius-sm);
  font-weight: 500;
  font-size: 14.5px;
  border: 1px solid var(--border);
  cursor: pointer;
  text-decoration: none;
  transition: all .2s;
}
.btn-outline:hover {
  border-color: rgba(var(--primary-rgb),0.5);
  color: #a5b4fc;
  background: rgba(var(--primary-rgb),0.06);
}
.btn-outline.btn-lg { padding: 14px 36px; font-size: 16px; border-radius: var(--radius); }
.btn-outline.btn-sm { padding: 6px 14px; font-size: 13px; }

.btn-ghost {
  width: 100%;
  background: transparent;
  color: var(--muted);
  border: 1px dashed rgba(255,255,255,0.12);
  border-radius: var(--radius-sm);
  padding: 11px;
  font-size: 14px;
  cursor: pointer;
  transition: all .2s;
  font-family: inherit;
}
.btn-ghost:hover {
  border-color: rgba(var(--primary-rgb),0.4);
  color: #a5b4fc;
  background: rgba(var(--primary-rgb),0.05);
}
.btn-sm { font-size: 13px; padding: 6px 14px; }

/* ═══════════════════════════════════════════════════════
   FORMS
═══════════════════════════════════════════════════════ */
.form-group { margin-bottom: 18px; }
.form-group label {
  display: block;
  margin-bottom: 7px;
  font-size: 12px;
  font-weight: 700;
  color: var(--muted);
  text-transform: uppercase;
  letter-spacing: 0.7px;
}
input[type="text"],
input[type="email"],
input[type="password"],
input[type="range"],
textarea {
  width: 100%;
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius-sm);
  padding: 12px 16px;
  color: var(--text);
  font-size: 15px;
  font-family: inherit;
  outline: none;
  transition: border-color .2s, box-shadow .2s;
}
input[type="range"] { padding: 6px 0; }
input:focus, textarea:focus {
  border-color: rgba(var(--primary-rgb),0.6);
  box-shadow: 0 0 0 3px rgba(var(--primary-rgb),0.12);
}
.alert-error {
  background: rgba(239,68,68,0.08);
  border: 1px solid rgba(239,68,68,0.25);
  color: #fca5a5;
  padding: 12px 16px;
  border-radius: var(--radius-sm);
  font-size: 14px;
  margin-bottom: 18px;
}

/* ═══════════════════════════════════════════════════════
   AUTH PAGES
═══════════════════════════════════════════════════════ */
.auth-body { display: flex; flex-direction: column; }
.auth-main {
  flex: 1;
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 80px 24px 40px;
  min-height: 100vh;
}
.auth-card {
  width: 100%;
  max-width: 420px;
  background: var(--card);
  border: 1px solid var(--border);
  border-radius: 24px;
  padding: 44px 40px;
  box-shadow: 0 24px 80px rgba(0,0,0,0.4);
}
.auth-logo {
  text-align: center;
  font-size: 15px;
  font-weight: 800;
  letter-spacing: -0.3px;
  margin-bottom: 6px;
  color: var(--primary);
}
.auth-title {
  text-align: center;
  font-size: 26px;
  font-weight: 800;
  margin-bottom: 30px;
  letter-spacing: -0.5px;
}
.auth-form { margin-top: 8px; }
.auth-switch {
  text-align: center;
  color: var(--muted);
  font-size: 14px;
  margin-top: 22px;
}
.auth-switch a { color: #a5b4fc; font-weight: 600; }
.auth-divider {
  display: flex;
  align-items: center;
  gap: 12px;
  margin: 22px 0 6px;
  color: var(--muted);
  font-size: 12px;
  text-transform: uppercase;
  letter-spacing: 0.5px;
}
.auth-divider::before, .auth-divider::after {
  content: '';
  flex: 1;
  height: 1px;
  background: var(--border);
}

/* ═══════════════════════════════════════════════════════
   LAYOUT
═══════════════════════════════════════════════════════ */
main { padding-top: var(--topbar-h); }
.container { max-width: 900px; margin: 0 auto; padding: 0 24px; }
.section-title {
  font-size: 24px;
  font-weight: 800;
  margin-bottom: 24px;
  letter-spacing: -0.5px;
}
.accent { color: var(--primary); }
.hidden { display: none !important; }
.loading { color: var(--muted); padding: 40px; text-align: center; }

/* Gradient text utility */
.grad-text {
  background: var(--grad-text);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

/* ═══════════════════════════════════════════════════════
   GLASS CARD BASE
═══════════════════════════════════════════════════════ */
.glass-card {
  background: var(--card);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
}

/* ═══════════════════════════════════════════════════════
   HUB — Landing / Home
═══════════════════════════════════════════════════════ */
.hub-main {
  padding: calc(var(--topbar-h) + 64px) 24px 80px;
  max-width: 820px;
  margin: 0 auto;
}
.hub-hero { margin-bottom: 60px; position: relative; }
.hub-hero-tag {
  display: inline-block;
  font-size: 11px;
  font-weight: 700;
  color: var(--muted);
  letter-spacing: 0.12em;
  text-transform: uppercase;
  margin-bottom: 14px;
}
.hub-welcome {
  font-size: 14px;
  color: var(--muted);
  margin-bottom: 10px;
  font-weight: 500;
}
.hub-name {
  font-size: 52px;
  font-weight: 900;
  letter-spacing: -2px;
  margin-bottom: 12px;
  line-height: 1.05;
  color: var(--text);
}
.hub-bio {
  color: var(--text-sub);
  font-size: 17px;
  margin-bottom: 28px;
  line-height: 1.6;
}
.hub-auth { display: flex; gap: 14px; margin-top: 8px; flex-wrap: wrap; }

.hub-user-stats {
  display: flex;
  gap: 10px;
  flex-wrap: wrap;
  margin-top: 24px;
}
.stat-pill {
  display: flex;
  align-items: center;
  gap: 8px;
  background: var(--card);
  border: 1px solid var(--border);
  border-radius: 12px;
  padding: 8px 16px;
  font-size: 13px;
  transition: border-color .2s;
}
.stat-pill:hover { border-color: rgba(var(--primary-rgb),0.4); }
.stat-pill-label {
  color: var(--muted);
  font-size: 11px;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.06em;
}
.stat-pill strong { color: var(--text); font-weight: 800; }

/* Hub cards */
.hub-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit,minmax(280px,1fr));
  gap: 14px;
}
.hub-card {
  display: flex;
  align-items: center;
  gap: 18px;
  background: var(--card);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 22px 24px;
  text-decoration: none;
  color: var(--text);
  transition: border-color .2s, transform .2s, box-shadow .2s, background .2s;
  cursor: pointer;
}
.hub-card:hover {
  border-color: rgba(var(--primary-rgb),0.35);
  background: var(--card-hover);
  transform: translateY(-2px);
  box-shadow: 0 8px 32px rgba(0,0,0,0.25);
}
.hub-card--lang:hover  { border-color: rgba(99,102,241,0.4); }
.hub-card--code:hover  { border-color: rgba(16,185,129,0.4); }
.hub-card--tools:hover { border-color: rgba(245,158,11,0.4); }
.hub-card--arcade:hover{ border-color: rgba(236,72,153,0.4); }
.hub-card--forum:hover { border-color: rgba(6,182,212,0.4); }
.hub-card-body { flex: 1; }
.hub-card-body h2 { font-size: 16px; font-weight: 700; margin-bottom: 4px; letter-spacing: -0.2px; }
.hub-card-body p { font-size: 13px; color: var(--muted); line-height: 1.5; }
.hub-card-arrow { color: var(--muted); flex-shrink: 0; font-size: 20px; transition: all .2s; }
.hub-card:hover .hub-card-arrow { color: var(--text); transform: translateX(3px); }

.portfolio-lock {
  position: fixed; bottom: 20px; right: 20px;
  font-size: 14px; opacity: 0.15; text-decoration: none;
  transition: opacity .2s; line-height: 1;
}
.portfolio-lock:hover { opacity: 0.45; }

/* Portfolio gate */
.gate-wrap {
  display: flex; align-items: center; justify-content: center;
  min-height: calc(100vh - var(--topbar-h));
}
.gate-card {
  background: var(--card);
  border: 1px solid var(--border);
  border-radius: 24px;
  padding: 52px 44px;
  width: 100%;
  max-width: 380px;
  text-align: center;
  box-shadow: 0 24px 80px rgba(0,0,0,0.4);
}
.gate-icon { font-size: 2.8rem; margin-bottom: 14px; }
.gate-title { font-size: 1.6rem; font-weight: 800; margin: 0 0 8px; letter-spacing: -0.5px; }
.gate-sub { color: var(--muted); font-size: 14px; margin: 0 0 30px; }
.gate-form { display: flex; flex-direction: column; gap: 12px; }
.gate-input {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: 12px;
  padding: 14px 18px;
  font-size: 16px;
  color: var(--text);
  font-family: inherit;
  text-align: center;
  letter-spacing: 0.15em;
  outline: none;
  transition: border-color .2s, box-shadow .2s;
}
.gate-input:focus {
  border-color: rgba(var(--primary-rgb),0.6);
  box-shadow: 0 0 0 3px rgba(var(--primary-rgb),0.12);
}
.gate-input--err { border-color: #ef4444; }
.gate-error { color: #fca5a5; font-size: 13px; margin: 0; }

/* Section pages */
.section-header { margin-bottom: 36px; }
.section-header h1 {
  font-size: 34px;
  font-weight: 900;
  margin-bottom: 8px;
  letter-spacing: -1px;
  color: var(--text);
}
.section-sub { color: var(--muted); font-size: 14px; line-height: 1.7; }
.auth-gate {
  background: rgba(255,255,255,0.02);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 30px;
  text-align: center;
  margin-bottom: 32px;
  color: var(--muted);
}
.hobby-section { margin-bottom: 44px; }
.hobby-section h2 { font-size: 20px; font-weight: 800; margin-bottom: 16px; letter-spacing: -0.3px; }
.tool-section { margin-bottom: 32px; }
.tool-cat { font-size: 12px; font-weight: 700; color: var(--text-sub); text-transform: uppercase; letter-spacing: .08em; margin-bottom: 12px; padding-bottom: 8px; border-bottom: 1px solid var(--border); }
.hobby-grid { display: grid; grid-template-columns: repeat(auto-fill,minmax(220px,1fr)); gap: 14px; }
.hobby-card {
  background: var(--card);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 22px;
  transition: all .2s;
}
.hobby-card:hover { border-color: rgba(var(--primary-rgb),0.25); transform: translateY(-2px); }
.hobby-card--dim { opacity: 0.55; }
.hobby-card-top { display: flex; justify-content: space-between; align-items: center; margin-bottom: 10px; }
.hobby-card-media { font-size: 36px; margin-bottom: 10px; font-family: 'Apple Color Emoji','Segoe UI Emoji','Noto Color Emoji',sans-serif; }
.hobby-card h3 { font-size: 16px; font-weight: 700; margin-bottom: 6px; }
.hobby-card p { font-size: 13px; color: var(--muted); line-height: 1.5; margin-bottom: 12px; }
.hobby-meta { font-size: 12px; color: var(--muted); }
.hobby-tag { font-size: 11px; font-weight: 600; padding: 2px 8px; border-radius: 999px; background: rgba(108,99,255,0.15); color: #a5b4fc; }
.tag-web  { background: rgba(108,99,255,0.15); color: #a78bfa; }
.tag-bot  { background: rgba(16,185,129,0.15); color: #34d399; }
.hobby-status { font-size: 12px; color: var(--muted); }
.status-live { color: #34d399; }
.status-wip  { color: #fbbf24; }
.status-plan { color: var(--muted); }
.hobby-stack { display: flex; flex-wrap: wrap; gap: 6px; margin-bottom: 14px; }
.hobby-stack span { font-size: 11px; padding: 3px 8px; border-radius: 999px; background: rgba(255,255,255,0.05); color: var(--muted); }
.skills-section { margin-top: 44px; }
.skills-section h2 { font-size: 20px; font-weight: 800; margin-bottom: 16px; }
.skills-grid { display: flex; flex-wrap: wrap; gap: 10px; }
.skill-chip {
  padding: 8px 18px;
  border: 1px solid var(--border);
  border-radius: 999px;
  font-size: 13.5px;
  font-weight: 500;
  background: var(--card);
  transition: border-color .2s, color .2s;
}
.skill-chip:hover { border-color: rgba(var(--primary-rgb),0.4); color: #a5b4fc; }
.portfolio-section { margin-bottom: 44px; }
.portfolio-card {
  display: flex; align-items: center; gap: 28px;
  background: var(--card);
  border: 1px solid var(--border);
  border-radius: 20px; padding: 30px 26px;
}
.portfolio-avatar { font-size: 60px; flex-shrink: 0; }
.portfolio-info { flex: 1; }
.portfolio-name { font-size: 28px; font-weight: 900; margin-bottom: 6px; letter-spacing: -0.5px; }
.portfolio-bio { font-size: 14px; color: var(--muted); margin-bottom: 18px; }
.portfolio-links { display: flex; flex-wrap: wrap; gap: 10px; }
.portfolio-link {
  display: inline-flex; align-items: center; gap: 8px;
  padding: 8px 16px; border-radius: 999px;
  border: 1px solid var(--border);
  background: var(--card);
  color: var(--text); font-size: 14px; font-weight: 500;
  transition: border-color .2s, color .2s;
}
.portfolio-link:hover { border-color: rgba(var(--primary-rgb),0.4); color: #a5b4fc; }
.portfolio-link--discord:hover { border-color: rgba(114,137,218,0.5); color: #7289da; }
@media (max-width:560px) { .portfolio-card { flex-direction: column; text-align: center; } .portfolio-links { justify-content: center; } }

/* ═══════════════════════════════════════════════════════
   LANDING (old section classes)
═══════════════════════════════════════════════════════ */
.landing { padding: 0; }
.hero {
  padding: 100px 24px 90px;
  text-align: center;
  position: relative;
}
.hero-content { max-width: 720px; margin: 0 auto; }
.hero h1 {
  font-size: 58px;
  font-weight: 900;
  line-height: 1.1;
  margin-bottom: 22px;
  letter-spacing: -2px;
  color: var(--text);
}
.hero-sub {
  font-size: 18px;
  color: var(--text-sub);
  margin-bottom: 40px;
  line-height: 1.7;
}
.hero-actions { display: flex; gap: 16px; justify-content: center; flex-wrap: wrap; }
.lang-preview { padding: 60px 24px; max-width: 1000px; margin: 0 auto; }
.lang-cards { display: grid; grid-template-columns: repeat(auto-fit,minmax(260px,1fr)); gap: 20px; }
.lang-card {
  background: var(--card);
  border: 1px solid var(--border);
  border-radius: 20px;
  padding: 30px 26px;
  transition: border-color .2s, transform .2s, box-shadow .2s;
}
.lang-card:hover { border-color: rgba(var(--primary-rgb),0.4); transform: translateY(-3px); box-shadow: 0 12px 32px rgba(0,0,0,0.25); }
.lang-card--featured { border-color: rgba(99,102,241,0.35); background: rgba(99,102,241,0.05); }
.lang-flag { font-size: 46px; margin-bottom: 14px; display: block; }
.lang-card h3 { font-size: 20px; font-weight: 800; margin-bottom: 5px; letter-spacing: -0.3px; }
.lang-card p { color: var(--muted); margin-bottom: 12px; font-size: 14px; }
.lang-meta { font-size: 12px; color: #a5b4fc; margin-bottom: 12px; font-weight: 600; }
.lang-tags { display: flex; flex-wrap: wrap; gap: 6px; }
.lang-tags span { background: rgba(255,255,255,0.05); padding: 3px 10px; border-radius: 999px; font-size: 12px; color: var(--muted); }
.features { padding: 60px 24px; max-width: 1000px; margin: 0 auto; text-align: center; }
.feature-grid { display: grid; grid-template-columns: repeat(auto-fit,minmax(220px,1fr)); gap: 20px; margin-top: 36px; }
.feature-card {
  background: var(--card);
  border: 1px solid var(--border);
  border-radius: 20px;
  padding: 32px 22px;
  transition: border-color .2s, transform .2s;
}
.feature-card:hover { transform: translateY(-4px); border-color: rgba(var(--primary-rgb),0.3); box-shadow: 0 12px 40px rgba(99,102,241,0.1); }
.feature-icon { font-size: 38px; margin-bottom: 16px; display: block; }
.feature-card h3 { font-size: 17px; font-weight: 800; margin-bottom: 10px; }
.feature-card p { color: var(--muted); font-size: 14px; line-height: 1.6; }
.cta {
  padding: 90px 24px;
  text-align: center;
}
.cta h2 { font-size: 36px; font-weight: 900; margin-bottom: 14px; letter-spacing: -1px; }
.cta p { color: var(--muted); margin-bottom: 30px; font-size: 16px; }

/* ═══════════════════════════════════════════════════════
   HOME DASHBOARD
═══════════════════════════════════════════════════════ */
.home-main { padding: calc(var(--topbar-h) + 36px) 24px 60px; max-width: 820px; margin: 0 auto; }
.home-greeting { margin-bottom: 24px; }
.home-greeting h1 { font-size: 32px; font-weight: 900; margin-bottom: 5px; letter-spacing: -0.5px; }
.home-username { color: var(--primary); }
.home-sub { color: var(--muted); font-size: 15px; }
.home-stats { display: flex; gap: 10px; flex-wrap: wrap; margin-bottom: 18px; }
.xp-bar-wrap { height: 8px; background: rgba(255,255,255,0.06); border-radius: 999px; overflow: hidden; margin-bottom: 6px; }
.xp-bar-fill { height: 100%; background: var(--grad); border-radius: 999px; transition: width .5s ease; }
.xp-bar-label { font-size: 12px; color: var(--muted); margin-bottom: 36px; }
.lang-grid { display: grid; grid-template-columns: repeat(auto-fit,minmax(240px,1fr)); gap: 16px; }

/* ═══════════════════════════════════════════════════════
   LEARN PAGES
═══════════════════════════════════════════════════════ */
/* ── Learning hub category list ───────────────────────── */
.lhub-cats { display: flex; flex-direction: column; gap: 12px; margin-bottom: 36px; }
.lhub-cat {
  position: relative; overflow: hidden;
  display: flex; align-items: center; gap: 18px;
  padding: 20px 22px;
  background: var(--card);
  border: 1px solid var(--border);
  border-left: 3px solid transparent;
  border-radius: 16px;
  cursor: pointer; text-align: left;
  transition: all .22s;
  color: var(--text); width: 100%;
}
.lhub-cat-bg { position: absolute; inset: 0; opacity: 0; transition: opacity .3s; pointer-events: none; }
.lhub-cat--lang { border-left-color: var(--primary); }
.lhub-cat--math { border-left-color: var(--warning); }
.lhub-cat--code { border-left-color: var(--success); }
.lhub-cat--lang .lhub-cat-bg { background: linear-gradient(135deg, rgba(99,102,241,.1), rgba(139,92,246,.06)); }
.lhub-cat--math .lhub-cat-bg { background: linear-gradient(135deg, rgba(245,158,11,.1), rgba(251,191,36,.06)); }
.lhub-cat--code .lhub-cat-bg { background: linear-gradient(135deg, rgba(16,185,129,.1), rgba(52,211,153,.06)); }
.lhub-cat:hover .lhub-cat-bg { opacity: 1; }
.lhub-cat:hover { transform: translateX(4px); box-shadow: 0 8px 28px rgba(0,0,0,.18); }
.lhub-cat-icon { font-size: 40px; line-height: 1; flex-shrink: 0; }
.lhub-cat-info { flex: 1; min-width: 0; }
.lhub-cat-name  { font-size: 19px; font-weight: 800; letter-spacing: -0.3px; }
.lhub-cat-sub   { font-size: 13px; color: var(--muted); margin-top: 3px; }
.lhub-cat-count { font-size: 11px; font-weight: 700; margin-top: 7px; }
.lhub-cat--lang .lhub-cat-count { color: var(--primary); }
.lhub-cat--math .lhub-cat-count { color: var(--warning); }
.lhub-cat--code .lhub-cat-count { color: var(--success); }
.lhub-cat-arrow { font-size: 18px; color: var(--muted); transition: transform .22s, color .22s; }
.lhub-cat:hover .lhub-cat-arrow { transform: translateX(5px); color: var(--text); }

/* ── Learning hub content (after selecting a category) ── */
.lhub-content { animation: fadeIn .2s ease; }
.lhub-content-head { display: flex; align-items: center; gap: 16px; margin-bottom: 22px; }
.lhub-content-head h2 { font-size: 22px; font-weight: 800; letter-spacing: -0.3px; }
.lhub-lang-grid { display: flex; flex-direction: column; gap: 10px; }
.lhub-lang-card {
  display: flex; align-items: center; gap: 16px;
  padding: 16px 18px;
  background: var(--card);
  border: 1px solid var(--border);
  border-radius: 14px;
  text-decoration: none; color: var(--text);
  transition: all .2s;
}
.lhub-lang-card:hover { background: rgba(var(--primary-rgb),0.06); border-color: rgba(var(--primary-rgb),0.22); transform: translateX(4px); box-shadow: 0 6px 24px rgba(0,0,0,.15); color: var(--text); }
.lhub-lang-flag { flex-shrink: 0; }
.lhub-lang-flag img { border-radius: 4px; display: block; }
.lhub-lang-flag--emoji { font-size: 2.6rem; line-height: 1; }
.lhub-lang-body { flex: 1; min-width: 0; }
.lhub-lang-name { font-size: 16px; font-weight: 800; margin-bottom: 3px; }
.lhub-lang-desc { font-size: 13px; color: var(--muted); margin-bottom: 8px; }
.lhub-lang-cta { font-size: 13px; font-weight: 700; color: var(--primary); flex-shrink: 0; transition: transform .2s; white-space: nowrap; }
.lhub-lang-card:hover .lhub-lang-cta { transform: translateX(4px); }

/* ── Shared ── */
@keyframes fadeIn { from { opacity:0; transform:translateY(8px); } to { opacity:1; transform:translateY(0); } }
.cat-back-btn {
  background: rgba(255,255,255,0.04);
  border: 1px solid rgba(255,255,255,0.09);
  border-radius: 10px;
  color: var(--muted); font-size: 14px;
  padding: 7px 15px; cursor: pointer; transition: all .15s;
}
.cat-back-btn:hover { background: rgba(255,255,255,0.08); color: var(--text); }
.lang-levels { display: flex; flex-wrap: wrap; gap: 5px; margin-top: 2px; }
.lang-level-chip { font-size: 11px; font-weight: 700; padding: 2px 8px; border-radius: 999px; background: rgba(255,255,255,0.06); }
.lv-green  { color: var(--success); }
.lv-blue   { color: #3b82f6; }
.lv-amber  { color: var(--warning); }
.lv-red    { color: var(--error); }
.lv-purple { color: var(--accent); }
.placement-banner {
  display: flex; align-items: center; gap: 16px; flex-wrap: wrap;
  background: rgba(var(--primary-rgb),0.06);
  border: 1px solid rgba(var(--primary-rgb),0.2);
  border-radius: 14px; padding: 14px 20px; margin-bottom: 22px;
}
.placement-banner span { font-size: 14px; color: var(--muted); }
.placement-banner-links { display: flex; gap: 8px; }
.placement-banner-btn {
  font-size: 13px; font-weight: 600; color: #a5b4fc;
  background: rgba(var(--primary-rgb),0.1);
  border: 1px solid rgba(var(--primary-rgb),0.25);
  border-radius: 8px; padding: 5px 14px;
  text-decoration: none; transition: all .15s;
}
.placement-banner-btn:hover { background: rgba(var(--primary-rgb),0.18); }
.home-hero { margin-bottom: 36px; }
.greeting { font-size: 34px; font-weight: 900; margin-bottom: 6px; letter-spacing: -0.5px; }
.greeting-sub { color: var(--muted); font-size: 16px; }
.stats-row { display: grid; grid-template-columns: repeat(3,1fr); gap: 14px; margin-bottom: 28px; }
.stat-card {
  background: var(--card);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 22px 18px;
  text-align: center;
  transition: border-color .2s, transform .2s;
}
.stat-card:hover { border-color: rgba(var(--primary-rgb),0.25); transform: translateY(-2px); }
.stat-icon { font-size: 30px; margin-bottom: 8px; }
.stat-value { font-size: 30px; font-weight: 900; color: var(--text); letter-spacing: -0.5px; }
.stat-label { font-size: 11px; color: var(--muted); margin-top: 4px; font-weight: 600; text-transform: uppercase; letter-spacing: 0.5px; }
.xp-section {
  background: var(--card);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 22px; margin-bottom: 40px;
}
.xp-label { display: flex; justify-content: space-between; font-size: 14px; font-weight: 600; margin-bottom: 10px; color: var(--muted); }
.xp-bar-wrap { height: 10px; background: rgba(255,255,255,0.06); border-radius: 999px; overflow: hidden; }
.xp-bar { height: 100%; background: var(--grad); border-radius: 999px; transition: width .6s ease; }
.xp-hint { font-size: 12px; color: var(--muted); margin-top: 8px; text-align: right; }
.lang-select { margin-bottom: 44px; }
.lang-select-grid { display: flex; flex-direction: column; gap: 12px; }
.lang-select-card {
  display: flex; align-items: center; gap: 22px;
  background: var(--card);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 20px 24px;
  text-decoration: none; color: var(--text);
  transition: border-color .2s, background .2s, transform .15s;
}
.lang-select-card:hover { border-color: rgba(var(--primary-rgb),0.35); background: rgba(var(--primary-rgb),0.04); color: var(--text); transform: translateX(4px); }
.ls-flag { font-size: 38px; flex-shrink: 0; }
.ls-info { flex: 1; }
.ls-info h3 { font-size: 18px; font-weight: 700; margin-bottom: 2px; }
.ls-info p { font-size: 13px; color: var(--muted); }
.ls-arrow { font-size: 22px; color: #a5b4fc; flex-shrink: 0; }

/* ═══════════════════════════════════════════════════════
   LEARN PAGE
═══════════════════════════════════════════════════════ */
.learn-main { padding: calc(var(--topbar-h) + 28px) 24px 60px; max-width: 800px; margin: 0 auto; }
.lang-header { display: flex; align-items: center; gap: 16px; margin-bottom: 32px; }
/* ── Unified back button ─────────────────────────────────────────────── */
.page-back {
  display: inline-flex;
  align-items: center;
  text-decoration: none;
  color: var(--text-sub);
  font-size: 13px;
  font-weight: 500;
  padding: 6px 12px;
  border-radius: 8px;
  border: 1px solid var(--border);
  background: var(--card);
  white-space: nowrap;
  transition: color .15s, border-color .15s, background .15s;
}
.page-back:hover { color: var(--text); border-color: rgba(var(--primary-rgb), 0.4); background: var(--card-hover); }
[data-theme="light"] .page-back { background: rgba(var(--primary-rgb), 0.06); border-color: rgba(var(--primary-rgb), 0.3); }
.lang-title-text { flex: 1; font-size: 26px; font-weight: 800; letter-spacing: -0.5px; }
.level-section { margin-bottom: 40px; }
.level-header { display: flex; align-items: center; gap: 10px; margin-bottom: 14px; padding-bottom: 12px; border-bottom: 1px solid var(--border); }
.level-badge { font-size: 12px; font-weight: 800; letter-spacing: 0.08em; padding: 4px 12px; border-radius: 999px; background: rgba(108,99,255,0.15); color: #a5b4fc; border: 1px solid rgba(108,99,255,0.3); }
.level-badge--a1,.level-badge--a2 { background: rgba(16,185,129,0.12); color: #10b981; border-color: rgba(16,185,129,0.3); }
.level-badge--b1,.level-badge--b2 { background: rgba(245,158,11,0.12); color: #f59e0b; border-color: rgba(245,158,11,0.3); }
.level-badge--c1,.level-badge--c2 { background: rgba(239,68,68,0.12); color: #ef4444; border-color: rgba(239,68,68,0.3); }
.level-badge--n5,.level-badge--hsk1 { background: rgba(16,185,129,0.12); color: #10b981; border-color: rgba(16,185,129,0.3); }
.level-badge--n4,.level-badge--hsk2 { background: rgba(59,130,246,0.12); color: #3b82f6; border-color: rgba(59,130,246,0.3); }
.level-badge--n3,.level-badge--hsk3 { background: rgba(245,158,11,0.12); color: #f59e0b; border-color: rgba(245,158,11,0.3); }
.level-badge--n2,.level-badge--n1,.level-badge--hsk4,.level-badge--hsk5,.level-badge--hsk6 { background: rgba(239,68,68,0.12); color: #ef4444; border-color: rgba(239,68,68,0.3); }
.level-desc { font-size: 13px; color: var(--muted); }
.unit-card { background: var(--card); border: 1px solid var(--border); border-radius: 18px; padding: 22px 24px; margin-bottom: 14px; }
.unit-header { display: flex; align-items: center; gap: 14px; margin-bottom: 14px; }
.unit-icon { font-size: 30px; flex-shrink: 0; }
.unit-title { font-size: 17px; font-weight: 700; }
.unit-desc { font-size: 13px; color: var(--muted); margin-top: 2px; }
.lesson-list { display: flex; flex-direction: column; gap: 6px; }
.lesson-item { display: flex; align-items: center; gap: 12px; padding: 11px 14px; border-radius: 10px; text-decoration: none; color: var(--text); transition: all .15s; border: 1px solid transparent; }
.lesson-item.unlocked { background: rgba(255,255,255,0.02); cursor: pointer; }
.lesson-item.unlocked:hover { background: rgba(var(--primary-rgb),0.08); border-color: rgba(var(--primary-rgb),0.2); }
.lesson-item.completed { background: rgba(16,185,129,0.06); border-color: rgba(16,185,129,0.15); }
.lesson-item.locked { opacity: 0.35; cursor: not-allowed; }
.lesson-icon { font-size: 15px; flex-shrink: 0; width: 22px; text-align: center; }
.lesson-title { flex: 1; font-size: 14px; font-weight: 500; }
.lesson-xp { font-size: 11px; color: var(--primary); font-weight: 700; flex-shrink: 0; }

/* ═══════════════════════════════════════════════════════
   LESSON RUNNER
═══════════════════════════════════════════════════════ */
.lesson-body { background: var(--bg); min-height: 100vh; display: flex; flex-direction: column; }
.lesson-body.exercise-mode { overflow: hidden; height: 100vh; }
#lesson-container { display: flex; flex-direction: column; min-height: 100vh; max-width: 680px; margin: 0 auto; width: 100%; padding: 0 20px; }
.exercise-mode #lesson-container { height: 100vh; min-height: unset; overflow: hidden; }
#lesson-header { display: flex; align-items: center; gap: 14px; padding: 16px 0; flex-shrink: 0; }
#exit-btn { background: none; border: none; color: var(--muted); font-size: 20px; cursor: pointer; padding: 4px; line-height: 1; border-radius: 50%; width: 32px; height: 32px; display: flex; align-items: center; justify-content: center; transition: all .2s; flex-shrink: 0; }
#exit-btn:hover { background: rgba(255,255,255,0.08); color: var(--text); }
#progress-bar-wrap { flex: 1; height: 8px; background: rgba(255,255,255,0.07); border-radius: 999px; overflow: hidden; }
#progress-bar { height: 100%; background: var(--grad); border-radius: 999px; width: 0%; transition: width .4s ease; }
#progress-text { font-size: 13px; color: var(--muted); font-weight: 600; flex-shrink: 0; min-width: 40px; text-align: right; }
#intro-screen { flex: 1; overflow-y: visible; padding: 12px 0 24px; }
.intro-card { text-align: center; padding-bottom: 8px; }
.intro-card h2 { font-size: 22px; font-weight: 800; margin-bottom: 6px; }
.intro-sub { font-size: 14px; color: var(--muted); margin-bottom: 22px; }
.intro-note-section { text-align: left; background: var(--card); border: 1px solid var(--border); border-radius: 14px; padding: 18px 22px; margin-bottom: 14px; }
.intro-note-header { font-size: 11px; font-weight: 700; color: #a5b4fc; margin-bottom: 12px; letter-spacing: 0.08em; text-transform: uppercase; }
.intro-note-body { font-size: 13px; line-height: 1.75; color: var(--text); }
.intro-note-cultural { color: var(--muted); font-style: italic; }
.gn-header { font-weight: 700; color: var(--text); font-size: 13px; margin: 10px 0 4px; border-left: 3px solid var(--primary); padding-left: 8px; }
.gn-item { display: flex; gap: 8px; align-items: baseline; margin: 5px 0; }
.gn-dot { color: #a5b4fc; font-size: 10px; flex-shrink: 0; line-height: 2; }
.gn-item-text { color: var(--text-sub); font-size: 13px; line-height: 1.65; }
.gn-text { color: var(--muted); font-size: 13px; line-height: 1.65; margin: 3px 0; }
.gn-spacer { height: 6px; }
.vocab-section-hdr { font-size: 11px; font-weight: 700; color: var(--muted); margin-bottom: 10px; text-align: left; text-transform: uppercase; letter-spacing: 0.06em; }
.vocab-section { margin-bottom: 24px; overflow-x: auto; }
.vocab-table { width: 100%; border-collapse: collapse; text-align: left; font-size: 14px; }
.vocab-table thead th { padding: 8px 12px; color: var(--muted); font-size: 11px; font-weight: 600; text-transform: uppercase; letter-spacing: 0.5px; border-bottom: 1px solid var(--border); }
.vocab-table tbody tr { transition: background .1s; }
.vocab-table tbody tr:hover { background: rgba(255,255,255,0.025); }
.vocab-table td { padding: 11px 12px; border-bottom: 1px solid rgba(255,255,255,0.04); vertical-align: middle; }
.vocab-word { font-size: 20px; font-weight: 700; color: var(--text); letter-spacing: -0.01em; }
.vocab-reading { font-size: 12px; color: #a5b4fc; font-family: 'JetBrains Mono',monospace; }
.vocab-meaning { font-size: 14px; color: var(--muted); }
#flashcard-screen { flex: 1; display: flex; flex-direction: column; }
.fc-topbar { display: flex; justify-content: flex-end; padding: 4px 0 8px; }
.fc-skip { background: none; border: none; color: var(--muted); font-size: 13px; font-weight: 600; cursor: pointer; font-family: inherit; transition: color .15s; padding: 6px 0; }
.fc-skip:hover { color: var(--text); }
.fc-main { flex: 1; display: flex; flex-direction: column; align-items: center; justify-content: center; padding: 8px 0 24px; }
.fc-meta { width: 100%; max-width: 480px; display: flex; align-items: center; gap: 12px; margin-bottom: 20px; }
.fc-counter { font-size: 12px; color: var(--muted); font-weight: 600; flex-shrink: 0; min-width: 44px; }
.fc-prog-wrap { flex: 1; height: 4px; background: rgba(255,255,255,0.07); border-radius: 2px; overflow: hidden; }
.fc-prog-bar { height: 100%; background: var(--grad); border-radius: 2px; transition: width .4s ease; }
.fc-card {
  width: 100%; max-width: 480px;
  background: var(--card);
  border: 1px solid var(--border);
  border-radius: 24px;
  padding: 40px 34px;
  text-align: center; min-height: 220px;
  display: flex; flex-direction: column; align-items: center; justify-content: center;
  margin-bottom: 20px;
}
.fc-lang { font-size: 10px; font-weight: 700; text-transform: uppercase; letter-spacing: 0.1em; color: var(--muted); margin-bottom: 12px; }
.fc-word { font-size: 46px; font-weight: 900; color: var(--text); line-height: 1.2; margin-bottom: 6px; letter-spacing: -0.02em; }
.fc-reading { font-size: 16px; color: #a5b4fc; font-family: 'JetBrains Mono',monospace; min-height: 22px; }
.fc-divider { width: 40px; height: 2px; background: rgba(255,255,255,0.08); border-radius: 1px; margin: 18px auto; }
.fc-meaning { font-size: 20px; font-weight: 600; color: var(--text-sub); line-height: 1.4; }
.fc-actions { display: flex; flex-direction: column; gap: 10px; width: 100%; max-width: 480px; }
.fc-btn { width: 100%; padding: 14px; font-size: 16px; font-weight: 700; border-radius: var(--radius); }
.fc-tip { font-size: 12px; color: var(--muted); margin-top: 10px; text-align: center; min-height: 18px; }
#exercise-area { flex: 1; display: flex; flex-direction: column; justify-content: center; padding: 16px 0; overflow-y: auto; }
#exercise-card { background: var(--card); border: 1px solid var(--border); border-radius: 20px; padding: 30px 26px; }
#answer-area { flex-shrink: 0; padding-bottom: 8px; }
.ex-prompt { font-size: 22px; font-weight: 700; line-height: 1.4; margin-bottom: 4px; }
.ex-instruction { font-size: 13px; color: var(--muted); font-weight: 600; text-transform: uppercase; letter-spacing: 0.5px; margin-bottom: 16px; }
.ex-question { font-size: 26px; font-weight: 700; margin-bottom: 8px; line-height: 1.3; }
.ex-sentence { font-size: 20px; font-weight: 600; margin-bottom: 8px; }
.ex-translation { font-size: 14px; color: var(--muted); margin-bottom: 20px; }
.ex-hint { font-size: 14px; color: var(--muted); font-style: italic; margin-bottom: 20px; }
.blank { background: rgba(99,102,241,0.18); border-bottom: 2px solid var(--primary); padding: 0 8px; border-radius: 4px; color: #a5b4fc; font-weight: 700; }
.mc-options { display: grid; grid-template-columns: 1fr 1fr; gap: 10px; margin-top: 16px; }
.mc-option { background: var(--surface); border: 1px solid var(--border); border-radius: var(--radius-sm); color: var(--text); padding: 14px 16px; font-size: 15px; font-weight: 500; font-family: inherit; cursor: pointer; text-align: left; transition: all .15s; min-height: 52px; }
.mc-option:hover:not(:disabled) { border-color: rgba(var(--primary-rgb),0.5); background: rgba(var(--primary-rgb),0.08); }
.mc-option.selected { border-color: var(--primary); background: rgba(var(--primary-rgb),0.12); color: #a5b4fc; }
.mc-option.correct { border-color: var(--success); background: rgba(16,185,129,0.12); color: var(--success); }
.mc-option.wrong { border-color: var(--error); background: rgba(239,68,68,0.12); color: var(--error); }
.mc-option:disabled { cursor: not-allowed; }
.answer-slots { min-height: 48px; border: 1px dashed rgba(255,255,255,0.12); border-radius: var(--radius-sm); padding: 8px; display: flex; flex-wrap: wrap; gap: 8px; margin: 16px 0; background: rgba(255,255,255,0.02); }
.word-bank { display: flex; flex-wrap: wrap; gap: 8px; padding: 8px 0; }
.word-chip { background: var(--surface); border: 1px solid var(--border); border-radius: var(--radius-sm); color: var(--text); padding: 10px 16px; font-size: 15px; font-weight: 500; font-family: inherit; cursor: pointer; transition: all .15s; }
.word-chip:hover:not(.used) { border-color: rgba(var(--primary-rgb),0.5); background: rgba(var(--primary-rgb),0.08); }
.word-chip.used { opacity: 0.3; cursor: default; }
.answer-chip { background: rgba(var(--primary-rgb),0.12); border-color: rgba(var(--primary-rgb),0.4); color: #a5b4fc; }
.answer-chip:hover { background: rgba(239,68,68,0.12); border-color: rgba(239,68,68,0.4); color: var(--error); }
.translate-input { background: var(--surface); border: 1px solid var(--border); border-radius: var(--radius-sm); color: var(--text); padding: 16px; font-size: 18px; font-family: inherit; outline: none; width: 100%; margin-top: 16px; transition: border-color .2s, box-shadow .2s; }
.translate-input:focus { border-color: rgba(var(--primary-rgb),0.6); box-shadow: 0 0 0 3px rgba(var(--primary-rgb),0.1); }
.match-cols { display: grid; grid-template-columns: 1fr 1fr; gap: 12px; margin-top: 16px; }
.match-col { display: flex; flex-direction: column; gap: 8px; }
.match-item { background: var(--surface); border: 1px solid var(--border); border-radius: var(--radius-sm); color: var(--text); padding: 12px 14px; font-size: 14px; font-weight: 500; font-family: inherit; cursor: pointer; text-align: center; transition: all .15s; }
.match-item:hover:not(.matched):not(.match-wrong) { border-color: rgba(var(--primary-rgb),0.5); background: rgba(var(--primary-rgb),0.08); }
.match-item.selected { border-color: var(--primary); background: rgba(var(--primary-rgb),0.15); color: #a5b4fc; box-shadow: 0 0 0 3px rgba(var(--primary-rgb),0.2); }
.match-item.matched { border-color: var(--success); background: rgba(16,185,129,0.12); color: var(--success); cursor: default; }
.match-item.match-wrong { border-color: var(--error); background: rgba(239,68,68,0.12); color: var(--error); cursor: default; }
@keyframes shake { 0%,100%{transform:translateX(0)} 25%{transform:translateX(-6px)} 75%{transform:translateX(6px)} }
.match-item.shake { animation: shake .4s ease; }
.match-color-0 { border-color: #818cf8 !important; background: rgba(129,140,248,0.12) !important; }
.match-color-1 { border-color: #34d399 !important; background: rgba(52,211,153,0.12) !important; }
.match-color-2 { border-color: #fbbf24 !important; background: rgba(251,191,36,0.12) !important; }
.match-color-3 { border-color: #f472b6 !important; background: rgba(244,114,182,0.12) !important; }
.match-color-4 { border-color: #38bdf8 !important; background: rgba(56,189,248,0.12) !important; }
.match-color-5 { border-color: #fb923c !important; background: rgba(251,146,60,0.12) !important; }
#check-bar { padding: 12px 0 16px; flex-shrink: 0; }
#check-btn { width: 100%; padding: 16px; background: var(--grad); color: #fff; border: none; border-radius: var(--radius); font-size: 16px; font-weight: 700; font-family: inherit; cursor: pointer; transition: all .2s; }
#check-btn:disabled { background: rgba(255,255,255,0.07); color: var(--muted); cursor: not-allowed; }
#check-btn:not(:disabled):hover { transform: translateY(-1px); box-shadow: 0 8px 24px rgba(var(--primary-rgb),0.35); }
#check-btn:not(:disabled):active { transform: scale(0.98); }
#feedback-panel { position: fixed; bottom: 0; left: 0; right: 0; padding: 22px 24px 30px; transform: translateY(100%); transition: transform .3s cubic-bezier(.4,0,.2,1); z-index: 50; }
#feedback-panel.show { transform: translateY(0); }
#feedback-panel.correct { background: rgba(6,78,59,0.95); border-top: 2px solid var(--success); backdrop-filter: blur(16px); }
#feedback-panel.wrong { background: rgba(69,10,10,0.95); border-top: 2px solid var(--error); backdrop-filter: blur(16px); }
#feedback-header { display: flex; align-items: center; gap: 10px; margin-bottom: 8px; }
#feedback-icon { font-size: 22px; font-weight: 900; }
.correct #feedback-icon { color: var(--success); }
.wrong #feedback-icon { color: var(--error); }
#feedback-text { font-size: 18px; font-weight: 700; }
.correct #feedback-text { color: var(--success); }
.wrong #feedback-text { color: var(--error); }
#feedback-body { margin-bottom: 14px; }
.fb-answer { font-size: 14px; color: var(--muted); margin-bottom: 4px; }
.fb-answer strong { color: var(--text); font-weight: 700; }
.fb-reading { font-size: 13px; color: #a5b4fc; font-family: 'JetBrains Mono',monospace; }
#continue-btn { width: 100%; max-width: 680px; margin: 0 auto; display: block; padding: 14px; background: transparent; color: var(--text); border: 2px solid rgba(255,255,255,0.3); border-radius: var(--radius); font-size: 16px; font-weight: 700; font-family: inherit; cursor: pointer; transition: all .2s; }
.correct #continue-btn { border-color: var(--success); color: var(--success); }
.wrong #continue-btn { border-color: var(--error); color: var(--error); }
#continue-btn:hover { background: rgba(255,255,255,0.06); }
#completion-screen { position: fixed; inset: 0; background: rgba(7,7,15,0.97); display: flex; align-items: center; justify-content: center; padding: 24px; z-index: 200; }
.completion-card { text-align: center; max-width: 460px; width: 100%; background: var(--card); border: 1px solid var(--border); border-radius: 28px; padding: 52px 40px; box-shadow: 0 24px 80px rgba(0,0,0,0.5); }
.completion-star { font-size: 42px; font-weight: 900; color: var(--primary); margin-bottom: 18px; }
.completion-card h2 { font-size: 30px; font-weight: 900; margin-bottom: 22px; letter-spacing: -0.5px; }
.completion-stats { display: flex; flex-direction: column; gap: 8px; margin-bottom: 8px; }
.completion-stat { font-size: 15px; color: var(--muted); padding: 10px 20px; background: rgba(255,255,255,0.04); border-radius: var(--radius-sm); text-align: left; }
.completion-stat.highlight { color: #a5b4fc; font-weight: 700; background: rgba(var(--primary-rgb),0.08); border: 1px solid rgba(var(--primary-rgb),0.2); }
.completion-card .btn-primary { margin-top: 26px; }
.fc-main { padding: calc(var(--topbar-h) + 28px) 24px 60px; max-width: 560px; margin: 0 auto; }
#flashcard-container { display: flex; flex-direction: column; gap: 26px; }
#fc-header { display: flex; align-items: center; justify-content: space-between; }
#fc-progress { color: var(--muted); font-size: 14px; font-weight: 600; }
#card-area { display: flex; flex-direction: column; align-items: center; gap: 20px; }
#flashcard { width: 100%; background: var(--card); border: 1px solid var(--border); border-radius: 24px; padding: 52px 34px; text-align: center; min-height: 220px; display: flex; flex-direction: column; align-items: center; justify-content: center; cursor: pointer; transition: border-color .2s, transform .2s, box-shadow .2s; }
#flashcard:hover { transform: translateY(-2px); box-shadow: 0 12px 40px rgba(0,0,0,0.3); border-color: rgba(var(--primary-rgb),0.35); }
.card-word { font-size: 44px; font-weight: 900; margin-bottom: 10px; letter-spacing: -0.5px; }
.card-lang { font-size: 14px; color: var(--muted); font-weight: 500; }
.card-flip-hint { font-size: 12px; color: rgba(255,255,255,0.15); margin-top: 16px; }
.card-reading { font-size: 22px; color: #a5b4fc; font-weight: 600; margin-bottom: 8px; }
.card-translation { font-size: 34px; font-weight: 900; margin-bottom: 12px; letter-spacing: -0.5px; }
.card-example { font-size: 14px; color: var(--muted); font-style: italic; line-height: 1.5; }
.rating-label { color: var(--muted); font-size: 14px; font-weight: 600; text-align: center; }
.rating-buttons { display: grid; grid-template-columns: repeat(4,1fr); gap: 10px; margin-top: 12px; }
.rating-buttons button { padding: 14px 8px; border-radius: var(--radius-sm); font-size: 13px; font-weight: 700; font-family: inherit; cursor: pointer; border: 1px solid transparent; line-height: 1.4; transition: all .15s; }
.rating-buttons button small { font-weight: 400; opacity: 0.8; }
.btn-again { background: rgba(239,68,68,0.12); color: var(--error); border-color: rgba(239,68,68,0.3); }
.btn-again:hover { background: rgba(239,68,68,0.2); }
.btn-hard { background: rgba(245,158,11,0.12); color: var(--warning); border-color: rgba(245,158,11,0.3); }
.btn-hard:hover { background: rgba(245,158,11,0.2); }
.btn-good { background: rgba(59,130,246,0.12); color: #60a5fa; border-color: rgba(59,130,246,0.3); }
.btn-good:hover { background: rgba(59,130,246,0.2); }
.btn-easy { background: rgba(16,185,129,0.12); color: var(--success); border-color: rgba(16,185,129,0.3); }
.btn-easy:hover { background: rgba(16,185,129,0.2); }
.done-card { text-align: center; padding: 64px 34px; background: var(--card); border: 1px solid var(--border); border-radius: 24px; }
.done-emoji { font-size: 68px; margin-bottom: 18px; }
.done-card h2 { font-size: 30px; font-weight: 900; margin-bottom: 12px; letter-spacing: -0.5px; }
.done-card p { color: var(--muted); margin-bottom: 30px; }

/* ═══════════════════════════════════════════════════════
   PROFILE
═══════════════════════════════════════════════════════ */
.profile-main { padding: calc(var(--topbar-h) + 44px) 24px 60px; max-width: 640px; margin: 0 auto; }
.profile-card {
  background: var(--card);
  border: 1px solid var(--border);
  border-radius: 24px;
  padding: 44px 36px;
  text-align: center;
  margin-bottom: 24px;
}
.profile-avatar-wrap {
  position: relative;
  width: 88px;
  margin: 0 auto 18px;
  cursor: pointer;
}
.profile-avatar-img {
  width: 88px; height: 88px; border-radius: 50%; object-fit: cover;
  display: block;
  border: 2px solid var(--border);
}
.profile-avatar {
  width: 88px; height: 88px;
  background: var(--primary);
  border-radius: 50%;
  display: flex; align-items: center; justify-content: center;
  font-size: 36px; font-weight: 900; color: #fff;
}
.profile-avatar-edit {
  position: absolute; bottom: 2px; right: 2px;
  background: var(--card-solid); border: 1px solid var(--border);
  border-radius: 50%; width: 24px; height: 24px;
  display: flex; align-items: center; justify-content: center;
  font-size: 11px; cursor: pointer;
  transition: background .2s;
}
.profile-avatar-edit:hover { background: var(--card-hover); }
.profile-username { font-size: 28px; font-weight: 900; margin-bottom: 5px; letter-spacing: -0.5px; }
.profile-email { color: var(--muted); font-size: 14px; margin-bottom: 14px; }
.profile-level {
  display: inline-block;
  background: rgba(var(--primary-rgb),0.12);
  color: #a5b4fc;
  border: 1px solid rgba(var(--primary-rgb),0.3);
  padding: 5px 16px;
  border-radius: 999px;
  font-size: 14px;
  font-weight: 700;
}
.profile-stats { display: grid; grid-template-columns: repeat(3,1fr); gap: 14px; margin-bottom: 24px; }
.profile-actions { display: flex; gap: 12px; justify-content: center; }

/* ═══════════════════════════════════════════════════════
   LEADERBOARD
═══════════════════════════════════════════════════════ */
.lb-card {
  background: var(--card);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  padding: 24px;
  margin-top: 18px;
}
.lb-toolbar { display: flex; align-items: center; justify-content: space-between; margin-bottom: 16px; }
.lb-sub-label { font-size: 12px; color: var(--muted); font-weight: 700; text-transform: uppercase; letter-spacing: 0.6px; }
.lb-table { width: 100%; border-collapse: collapse; font-size: 14px; }
.lb-table thead th { text-align: left; padding: 8px 12px; color: var(--muted); font-size: 11px; font-weight: 700; letter-spacing: 0.5px; text-transform: uppercase; border-bottom: 1px solid rgba(255,255,255,0.06); }
.lb-table tbody tr { border-bottom: 1px solid rgba(255,255,255,0.03); transition: background .15s; }
.lb-table tbody tr:hover { background: rgba(255,255,255,0.025); }
.lb-table tbody td { padding: 12px 12px; }
.lb-rank { width: 50px; font-weight: 800; font-size: 15px; }
.lb-username { font-weight: 600; }
.lb-xp { color: #a5b4fc; font-weight: 800; font-variant-numeric: tabular-nums; }
.lb-streak,.lb-lessons { color: var(--muted); font-variant-numeric: tabular-nums; }
.lb-row-me { background: rgba(var(--primary-rgb),0.06) !important; outline: 1px solid rgba(var(--primary-rgb),0.25); border-radius: 8px; }
.lb-you { font-size: 10px; background: var(--grad); color: #fff; border-radius: 4px; padding: 1px 6px; margin-left: 6px; vertical-align: middle; font-weight: 700; }
.lb-empty { text-align: center; padding: 36px; color: var(--muted); font-size: 14px; }
.lb-podium { display: flex; align-items: flex-end; justify-content: center; gap: 14px; margin: 28px 0 0; }
.podium-slot { display: flex; flex-direction: column; align-items: center; gap: 8px; min-width: 110px; }
.podium-medal { font-size: 34px; }
.podium-name { font-size: 13px; font-weight: 700; text-align: center; }
.podium-xp { font-size: 12px; color: #a5b4fc; font-weight: 700; }
.podium-base { width: 100%; border-radius: 10px 10px 0 0; }
.rank-1 .podium-base { height: 75px; background: linear-gradient(180deg,rgba(250,204,21,0.3),rgba(250,204,21,0.08)); border: 1px solid rgba(250,204,21,0.4); }
.rank-2 .podium-base { height: 54px; background: linear-gradient(180deg,rgba(156,163,175,0.3),rgba(156,163,175,0.08)); border: 1px solid rgba(156,163,175,0.3); }
.rank-3 .podium-base { height: 38px; background: linear-gradient(180deg,rgba(180,83,9,0.3),rgba(180,83,9,0.08)); border: 1px solid rgba(180,83,9,0.3); }
.podium-me { outline: 2px solid rgba(var(--primary-rgb),0.6); border-radius: 10px; padding: 6px; }
.lang-flag img { display: block; }

/* ═══════════════════════════════════════════════════════
   PLACEMENT TEST
═══════════════════════════════════════════════════════ */
.placement-main { min-height: 100vh; display: flex; align-items: center; justify-content: center; padding: calc(var(--topbar-h) + 24px) 16px 60px; }
.pt-card { background: var(--card); border: 1px solid var(--border); border-radius: 24px; padding: 44px 34px; max-width: 560px; width: 100%; text-align: center; box-shadow: 0 24px 80px rgba(0,0,0,0.4); }
.pt-icon { font-size: 56px; margin-bottom: 14px; }
.pt-card h1 { font-size: 24px; font-weight: 900; margin-bottom: 10px; }
.pt-desc { font-size: 14px; color: var(--muted); margin-bottom: 22px; line-height: 1.6; }
.pt-info-row { display: flex; gap: 16px; justify-content: center; margin-bottom: 30px; flex-wrap: wrap; }
.pt-info-row span { font-size: 13px; color: var(--muted); }
.pt-skip { display: block; margin-top: 16px; font-size: 13px; color: var(--muted); cursor: pointer; background: none; border: none; text-decoration: underline; font-family: inherit; }
.pt-skip:hover { color: var(--text); }
.pt-progress-wrap { display: flex; align-items: center; gap: 12px; margin-bottom: 22px; }
.pt-progress-bar { flex: 1; height: 6px; background: rgba(255,255,255,0.07); border-radius: 3px; overflow: hidden; }
#pt-bar { height: 100%; background: var(--grad); transition: width .3s; width: 0; border-radius: 3px; }
#pt-counter { font-size: 13px; color: var(--muted); white-space: nowrap; }
.pt-level-tag { display: inline-block; font-size: 11px; font-weight: 800; padding: 3px 10px; border-radius: 999px; margin-bottom: 18px; background: rgba(var(--primary-rgb),0.12); color: #a5b4fc; border: 1px solid rgba(var(--primary-rgb),0.3); }
.pt-level-tag--a1,.pt-level-tag--a2,.pt-level-tag--n5,.pt-level-tag--hsk1 { background: rgba(16,185,129,0.1); color: #10b981; border-color: rgba(16,185,129,0.3); }
.pt-level-tag--b1,.pt-level-tag--b2,.pt-level-tag--n3,.pt-level-tag--hsk3 { background: rgba(245,158,11,0.1); color: #f59e0b; border-color: rgba(245,158,11,0.3); }
.pt-level-tag--c1,.pt-level-tag--n1,.pt-level-tag--n2,.pt-level-tag--hsk4 { background: rgba(239,68,68,0.1); color: #ef4444; border-color: rgba(239,68,68,0.3); }
.pt-question { font-size: 20px; font-weight: 700; margin-bottom: 26px; line-height: 1.5; }
.pt-options { display: flex; flex-direction: column; gap: 10px; }
.pt-opt { background: var(--surface); border: 1px solid var(--border); border-radius: 12px; padding: 14px 18px; font-size: 15px; color: var(--text); cursor: pointer; text-align: left; transition: all .15s; font-family: inherit; }
.pt-opt:hover:not(:disabled) { border-color: rgba(var(--primary-rgb),0.4); background: rgba(var(--primary-rgb),0.06); }
.pt-opt--correct { background: rgba(16,185,129,0.1) !important; border-color: #10b981 !important; color: #10b981 !important; }
.pt-opt--wrong { background: rgba(239,68,68,0.1) !important; border-color: #ef4444 !important; color: #ef4444 !important; }
.pt-result-label { font-size: 14px; color: var(--muted); margin-bottom: 6px; margin-top: 16px; }
.pt-result-level { font-size: 60px; font-weight: 900; color: var(--primary); margin-bottom: 10px; }
.pt-result-desc { font-size: 15px; color: var(--text); margin-bottom: 16px; }
.pt-result-detail { font-size: 14px; color: var(--muted); margin-bottom: 26px; }

/* ═══════════════════════════════════════════════════════
   UTILITIES & MISC
═══════════════════════════════════════════════════════ */
.level-section--recommended { border: 1px solid rgba(var(--primary-rgb),0.2); border-radius: 18px; padding: 18px; background: rgba(var(--primary-rgb),0.04); }
.level-recommended-tag { margin-left: auto; font-size: 12px; font-weight: 700; color: #a5b4fc; background: rgba(var(--primary-rgb),0.1); padding: 3px 10px; border-radius: 999px; border: 1px solid rgba(var(--primary-rgb),0.25); }
.lang-header-actions { display: flex; gap: 8px; align-items: center; }
.speak-btn { background: none; border: none; cursor: pointer; padding: 3px 6px; border-radius: 8px; font-size: 14px; line-height: 1; opacity: 0.55; transition: all .15s; vertical-align: middle; display: inline-flex; align-items: center; justify-content: center; color: var(--text); }
.speak-btn:hover { opacity: 1; background: rgba(255,255,255,0.08); }
.speak-btn:active { transform: scale(0.88); opacity: 1; }
.speak-btn.speaking { opacity: 1; animation: speak-pulse .6s ease-in-out infinite alternate; }
@keyframes speak-pulse { from { opacity: 0.7; } to { opacity: 1; } }
.speak-btn-lg { font-size: 22px; padding: 6px 10px; margin: 6px 0 2px; border-radius: 12px; opacity: 0.7; }
.speak-btn-lg:hover { background: rgba(255,255,255,0.1); opacity: 1; }
.vocab-word-cell { display: flex; align-items: center; gap: 8px; }
.fb-speak-btn { margin-left: 6px; vertical-align: middle; }
.hearts-display { display: flex; gap: 5px; flex-shrink: 0; }
.heart { font-size: 20px; line-height: 1; transition: transform .2s, opacity .3s; }
.heart-alive { color: #ef4444; filter: drop-shadow(0 0 6px rgba(239,68,68,0.6)); }
.heart-dead  { color: #2a2a3a; opacity: 0.4; }
@keyframes heart-lose { 0% { transform: scale(1.4); } 50% { transform: scale(0.7) rotate(-15deg); } 100% { transform: scale(1); } }
.heart-dying { animation: heart-lose .4s ease forwards; }
.combo-display { text-align: center; font-size: 13px; font-weight: 700; height: 22px; line-height: 22px; color: #fb923c; transition: opacity .3s; letter-spacing: 0.03em; }
.combo-display.combo-active { animation: combo-pop .35s ease; }
@keyframes combo-pop { 0% { transform: scale(1); } 50% { transform: scale(1.3); } 100% { transform: scale(1); } }
.mc-num { display: inline-flex; align-items: center; justify-content: center; width: 20px; height: 20px; min-width: 20px; background: rgba(255,255,255,0.06); border-radius: 5px; font-size: 11px; font-weight: 700; color: var(--muted); margin-right: 10px; flex-shrink: 0; transition: background .15s; }
.mc-option.selected .mc-num, .mc-option:hover .mc-num { background: rgba(var(--primary-rgb),0.2); color: #a5b4fc; }
.kb-hint { display: inline-block; background: rgba(255,255,255,0.07); border: 1px solid rgba(255,255,255,0.1); border-radius: 4px; font-size: 10px; font-weight: 600; color: var(--muted); padding: 1px 5px; margin-left: 8px; vertical-align: middle; }
.kb-hint-btn { display: inline-block; background: rgba(255,255,255,0.09); border: 1px solid rgba(255,255,255,0.13); border-radius: 4px; font-size: 10px; font-weight: 600; color: rgba(255,255,255,0.5); padding: 1px 6px; margin-left: 8px; vertical-align: middle; }
.completion-stars { display: flex; justify-content: center; gap: 10px; margin-bottom: 14px; }
.comp-star { font-size: 38px; line-height: 1; transition: transform .3s, opacity .3s; }
.comp-star-on  { color: #f59e0b; filter: drop-shadow(0 0 10px rgba(245,158,11,0.7)); }
.comp-star-off { color: #2a2a3a; opacity: 0.35; }
.wrong-review { text-align: left; margin-top: 22px; background: rgba(239,68,68,0.05); border: 1px solid rgba(239,68,68,0.15); border-radius: 14px; padding: 16px; max-height: 280px; overflow-y: auto; }
.wrong-review-title { font-size: 12px; font-weight: 700; color: var(--error); margin-bottom: 12px; text-transform: uppercase; letter-spacing: 0.05em; }
.wrong-review-item { padding: 10px 0; border-bottom: 1px solid rgba(255,255,255,0.04); }
.wrong-review-item:last-child { border-bottom: none; }
.wr-prompt { font-size: 12px; color: var(--muted); margin-bottom: 4px; }
.wr-answer { display: flex; align-items: center; gap: 8px; font-size: 15px; font-weight: 600; }
.wr-correct-label { color: var(--success); font-size: 14px; }
#game-over-screen { position: fixed; inset: 0; background: rgba(7,7,15,0.98); display: flex; align-items: center; justify-content: center; z-index: 200; padding: 24px; }
#game-over-screen.hidden { display: none; }
.game-over-card { border: 1px solid rgba(239,68,68,0.35); }
.go-icon { font-size: 60px; margin-bottom: 12px; animation: heart-lose .4s ease; }
.go-sub { color: var(--muted); font-size: 15px; margin-top: -12px; margin-bottom: 4px; }
.completion-actions { display: flex; flex-direction: column; gap: 10px; margin-top: 22px; }
.completion-actions .btn-outline { background: none; border: 1px solid rgba(255,255,255,0.1); color: var(--muted); padding: 12px 24px; border-radius: var(--radius); font-size: 15px; font-weight: 600; cursor: pointer; transition: all .2s; font-family: inherit; }
.completion-actions .btn-outline:hover { border-color: rgba(var(--primary-rgb),0.4); color: #a5b4fc; background: rgba(var(--primary-rgb),0.05); }
.unit-progress { display: flex; align-items: center; gap: 8px; margin: 8px 0 12px; padding: 0 2px; }
.unit-progress-bar { flex: 1; height: 5px; background: rgba(255,255,255,0.06); border-radius: 999px; overflow: hidden; }
.unit-progress-fill { height: 100%; background: var(--grad); border-radius: 999px; transition: width .6s ease; min-width: 0; }
.unit-progress-text { font-size: 11px; color: var(--muted); font-weight: 600; flex-shrink: 0; min-width: 36px; text-align: right; }
.unit-progress-pct { font-size: 11px; font-weight: 700; flex-shrink: 0; min-width: 28px; }
.unit-progress-pct.done { color: var(--success); }
.unit-progress-pct.wip  { color: #a5b4fc; }
.unit-progress-pct.none { color: var(--muted); }
.xp-progress-wrap { margin-top: 16px; width: 100%; max-width: 340px; }
.xp-progress-bar { height: 8px; background: rgba(255,255,255,0.06); border-radius: 999px; overflow: hidden; margin-bottom: 5px; }
.xp-progress-fill { height: 100%; background: var(--grad); border-radius: 999px; transition: width .6s ease; }
.xp-progress-label { font-size: 11px; color: var(--muted); display: flex; justify-content: space-between; }

/* ═══════════════════════════════════════════════════════
   LOBBY OPTIONS (game settings)
═══════════════════════════════════════════════════════ */
.gm-options { display: flex; flex-direction: column; gap: 10px; width: 100%; padding: 14px 0 4px; }
.gm-options-line { display: flex; align-items: center; gap: 10px; }
.gm-options-label { font-size: 12px; color: var(--muted); white-space: nowrap; width: 48px; font-weight: 600; text-transform: uppercase; letter-spacing: 0.4px; }
.gm-option-group { display: flex; gap: 6px; flex-wrap: wrap; }
.gm-option-btn { background: rgba(255,255,255,0.04); color: rgba(255,255,255,0.5); border: 1px solid rgba(255,255,255,0.09); border-radius: 8px; padding: 6px 14px; font-size: 13px; cursor: pointer; transition: all .15s; font-family: inherit; }
.gm-option-btn:hover:not(:disabled) { background: rgba(255,255,255,0.08); color: rgba(255,255,255,0.8); }
.gm-option-btn.active { background: rgba(var(--primary-rgb),0.15); border-color: rgba(var(--primary-rgb),0.4); color: #a5b4fc; font-weight: 600; }
.gm-option-btn:disabled { opacity: 0.35; cursor: default; }

/* ═══════════════════════════════════════════════════════
   RESPONSIVE
═══════════════════════════════════════════════════════ */
@media (max-width: 768px) {
  .hero h1 { font-size: 36px; }
  .hub-name { font-size: 38px; }
  .stats-row { grid-template-columns: repeat(3,1fr); }
  .mc-options { grid-template-columns: 1fr; }
  .match-cols { grid-template-columns: 1fr 1fr; }
  .rating-buttons { grid-template-columns: repeat(2,1fr); }
  .topbar-nav { display: none; }
  .lang-header { gap: 10px; }
}
@media (max-width: 480px) {
  .stats-row { grid-template-columns: 1fr; }
  .profile-stats { grid-template-columns: 1fr; }
  .completion-card { padding: 34px 22px; }
  .word-chip { padding: 8px 12px; font-size: 14px; }
  .completion-actions { flex-direction: column; }
  .hub-name { font-size: 32px; }
  .auth-card { padding: 36px 26px; }
}

/* ═══════════════════════════════════════════════════════
   GLOBAL ANIMATION POLISH
═══════════════════════════════════════════════════════ */

@keyframes pageEnter {
  from { opacity: 0; transform: translateY(16px); }
  to   { opacity: 1; transform: translateY(0); }
}

/* Page-level wrappers slide up on load */
.hub-main, .home-main, .learn-main, .profile-main, .placement-main,
.gm-page, .auth-main, .learn-cat-grid, .section-header {
  animation: pageEnter .5s cubic-bezier(0.16,1,0.3,1) both;
}

/* Auth card special entrance */
@keyframes authCardIn {
  from { opacity: 0; transform: translateY(28px) scale(0.96); }
  to   { opacity: 1; transform: translateY(0) scale(1); }
}
.auth-card { animation: authCardIn .55s cubic-bezier(0.16,1,0.3,1) both; }


/* Stagger — landing lang cards */
.lang-cards > *:nth-child(1) { animation: pageEnter .5s .06s cubic-bezier(0.16,1,0.3,1) both; }
.lang-cards > *:nth-child(2) { animation: pageEnter .5s .13s cubic-bezier(0.16,1,0.3,1) both; }
.lang-cards > *:nth-child(3) { animation: pageEnter .5s .20s cubic-bezier(0.16,1,0.3,1) both; }

/* Stagger — feature grid */
.feature-grid > *:nth-child(1) { animation: pageEnter .5s .06s cubic-bezier(0.16,1,0.3,1) both; }
.feature-grid > *:nth-child(2) { animation: pageEnter .5s .12s cubic-bezier(0.16,1,0.3,1) both; }
.feature-grid > *:nth-child(3) { animation: pageEnter .5s .18s cubic-bezier(0.16,1,0.3,1) both; }
.feature-grid > *:nth-child(4) { animation: pageEnter .5s .24s cubic-bezier(0.16,1,0.3,1) both; }

/* Stagger — stats row */
.stats-row > *:nth-child(1) { animation: pageEnter .5s .06s cubic-bezier(0.16,1,0.3,1) both; }
.stats-row > *:nth-child(2) { animation: pageEnter .5s .13s cubic-bezier(0.16,1,0.3,1) both; }
.stats-row > *:nth-child(3) { animation: pageEnter .5s .20s cubic-bezier(0.16,1,0.3,1) both; }

/* Stagger — lang select list */
.lang-select-grid > *:nth-child(1) { animation: pageEnter .5s .06s cubic-bezier(0.16,1,0.3,1) both; }
.lang-select-grid > *:nth-child(2) { animation: pageEnter .5s .12s cubic-bezier(0.16,1,0.3,1) both; }
.lang-select-grid > *:nth-child(3) { animation: pageEnter .5s .18s cubic-bezier(0.16,1,0.3,1) both; }
.lang-select-grid > *:nth-child(4) { animation: pageEnter .5s .24s cubic-bezier(0.16,1,0.3,1) both; }
.lang-select-grid > *:nth-child(5) { animation: pageEnter .5s .30s cubic-bezier(0.16,1,0.3,1) both; }



/* Button active press */
.btn-outline:active { transform: scale(0.97); }
.btn-ghost:active   { transform: scale(0.97); }


/* Custom scrollbar */
::-webkit-scrollbar { width: 5px; height: 5px; }
::-webkit-scrollbar-track { background: transparent; }
::-webkit-scrollbar-thumb { background: rgba(255,255,255,0.1); border-radius: 999px; }
::-webkit-scrollbar-thumb:hover { background: rgba(255,255,255,0.22); }

/* Skeleton shimmer utility */
.skeleton {
  background: linear-gradient(90deg,
    rgba(255,255,255,0.04) 0%,
    rgba(255,255,255,0.09) 50%,
    rgba(255,255,255,0.04) 100%);
  background-size: 200% 100%;
  animation: shimmer 1.5s infinite;
  border-radius: 8px;
}
@keyframes shimmer {
  0%   { background-position: 200% 0; }
  100% { background-position: -200% 0; }
}

/* ── Light Mode ───────────────────────────────────────────────────────────── */
[data-theme="light"] {
  --bg:           #f0f2f5;
  --surface:      #ffffff;
  --card:         #ffffff;
  --card-solid:   #ffffff;
  --card-hover:   #f5f6f8;
  --text:         #1c1e21;
  --text-sub:     #606770;
  --muted:        #8a8d91;
  --border:       #dadde1;
  --border-solid: #dadde1;
}
[data-theme="light"] body { background: var(--bg); }
[data-theme="light"] ::-webkit-scrollbar-thumb { background: rgba(0,0,0,0.15); }
[data-theme="light"] .skeleton {
  background: linear-gradient(90deg,rgba(0,0,0,0.04) 0%,rgba(0,0,0,0.08) 50%,rgba(0,0,0,0.04) 100%);
  background-size: 200% 100%;
  animation: shimmer 1.5s infinite;
}

/* ── Mobile Responsive ────────────────────────────────────────────────────── */
@media (max-width: 768px) {
  .hub-grid { grid-template-columns: 1fr 1fr; }
  .stats-row { grid-template-columns: 1fr 1fr; }
  .feature-grid { grid-template-columns: 1fr; }
  .hub-hero { padding: 32px 16px 24px; }
  .hub-hero h1 { font-size: 28px; }
}
@media (max-width: 480px) {
  .hub-grid { grid-template-columns: 1fr; }
  .stats-row { grid-template-columns: 1fr; }
  .hub-card { padding: 20px 16px; }
}

/* ── Stories ──────────────────────────────────────────────────────────────── */
.stories-row {
  display: flex;
  gap: 12px;
  overflow-x: auto;
  padding: 4px 2px 8px;
  scrollbar-width: none;
  -ms-overflow-style: none;
}
.stories-row::-webkit-scrollbar { display: none; }

/* ── Story cards (Facebook-style tall preview) ── */
.story-card {
  position: relative;
  width: 88px; height: 152px;
  border-radius: 14px;
  overflow: hidden;
  cursor: pointer;
  flex-shrink: 0;
  background: var(--card-solid);
  border: 1px solid var(--border);
  transition: transform .18s;
  user-select: none;
  display: block;
  text-align: left;
}
.story-card:hover { transform: scale(1.04); }

.story-card-bg {
  position: absolute; inset: 0;
  background-size: cover; background-position: center;
}
.story-card-bg--text { background: linear-gradient(145deg, #6366f1, #8b5cf6); }
.story-card-bg--nophoto { background: var(--surface); }

.story-card-overlay {
  position: absolute; inset: 0;
  background: linear-gradient(to bottom, rgba(0,0,0,.05) 30%, rgba(0,0,0,.68) 100%);
}

.story-card-avatar { position: absolute; top: 8px; left: 8px; z-index: 2; }

/* Ring inside card — smaller than standalone */
.story-card .story-ring {
  width: 34px; height: 34px; padding: 2px;
  box-shadow: 0 0 0 1.5px var(--bg);
  transition: none;
}
.story-card .story-ring-inner { border-width: 1.5px; }

.story-card-name {
  position: absolute; bottom: 8px; left: 6px; right: 6px; z-index: 2;
  font-size: 10.5px; font-weight: 700; color: #fff;
  text-shadow: 0 1px 5px rgba(0,0,0,.9);
  white-space: nowrap; overflow: hidden; text-overflow: ellipsis;
}

/* Text preview for text-only stories */
.story-card-text {
  position: absolute; top: 50%; left: 6px; right: 6px; z-index: 2;
  transform: translateY(-50%);
  font-size: 11.5px; font-weight: 700; color: #fff;
  text-align: center; text-shadow: 0 1px 6px rgba(0,0,0,.5);
  word-break: break-word; line-height: 1.4;
  display: -webkit-box; -webkit-line-clamp: 4; -webkit-box-orient: vertical; overflow: hidden;
}

/* Seen state — dimmed */
.story-card--seen .story-card-bg { filter: brightness(.65) saturate(.6); }

/* Add Story card */
.story-card--add { border: none; }
.story-card-add-plus {
  position: absolute; bottom: 30px; left: 50%; transform: translateX(-50%); z-index: 2;
  width: 30px; height: 30px; border-radius: 50%;
  background: var(--primary); border: 3px solid var(--bg);
  display: flex; align-items: center; justify-content: center;
  font-size: 18px; font-weight: 700; color: #fff; line-height: 1;
}

/* Ring: standalone (used in story viewer sfb-uitem etc.) */
.story-ring {
  width: 56px; height: 56px;
  border-radius: 50%; padding: 3px;
  background: var(--grad); cursor: pointer;
}
.story-ring.seen { background: var(--border-solid); }
.story-ring--reacted { background: var(--grad); box-shadow: 0 0 0 2px rgba(99,102,241,.5), 0 0 14px rgba(99,102,241,.55); }
.story-ring-inner {
  width: 100%; height: 100%; border-radius: 50%; overflow: hidden;
  border: 2px solid var(--bg); background: var(--card-solid);
  display: flex; align-items: center; justify-content: center;
}
.story-ring-inner img { width: 100%; height: 100%; object-fit: cover; }
.story-ring-inner .story-init { font-size: 20px; font-weight: 700; color: var(--primary); }

/* Story viewer modal */
.story-modal {
  position: fixed; inset: 0; z-index: 2000;
  background: rgba(0,0,0,0.85);
  display: flex; align-items: center; justify-content: center;
}
.story-modal.hidden { display: none; }
.story-viewer {
  position: relative;
  width: min(400px, 95vw);
  background: var(--card-solid);
  border-radius: var(--radius-lg);
  overflow: hidden;
}
.story-viewer-head {
  display: flex; align-items: center; gap: 10px;
  padding: 14px 16px;
  background: rgba(0,0,0,0.4);
  position: absolute; top: 0; left: 0; right: 0; z-index: 1;
}
.story-viewer-close {
  margin-left: auto; background: none; border: none;
  color: #fff; font-size: 20px; cursor: pointer; line-height: 1;
}
.story-viewer-img { width: 100%; max-height: 70vh; object-fit: contain; display: block; }
.story-viewer-text {
  padding: 16px; font-size: 16px; min-height: 80px;
  display: flex; align-items: center; justify-content: center;
  text-align: center;
}
.story-progress {
  height: 3px; background: rgba(255,255,255,0.3);
  position: absolute; top: 0; left: 0; right: 0;
}
.story-progress-bar {
  height: 100%; background: var(--primary);
  animation: story-timer 5s linear forwards;
}
@keyframes story-timer { from { width: 0 } to { width: 100% } }

/* Story create modal */
.story-create-modal {
  position: fixed; inset: 0; z-index: 2000;
  background: rgba(0,0,0,0.7);
  display: flex; align-items: center; justify-content: center;
}
.story-create-modal.hidden { display: none; }
.story-create-box {
  background: var(--card-solid);
  border-radius: var(--radius-lg);
  padding: 24px;
  width: min(400px, 95vw);
  display: flex; flex-direction: column; gap: 12px;
}
.story-create-box textarea {
  background: rgba(255,255,255,0.05);
  border: 1px solid var(--border);
  border-radius: var(--radius-sm);
  color: var(--text); font-family: inherit; font-size: 15px;
  padding: 12px; resize: none; outline: none; width: 100%;
}
.story-create-actions { display: flex; gap: 10px; justify-content: flex-end; }

/* ── Badge display ────────────────────────────────────────────────────────── */
.badges-grid {
  display: flex; flex-wrap: wrap; gap: 8px; margin-top: 8px;
}
.badge-chip {
  display: flex; align-items: center; gap: 6px;
  background: var(--card-hover);
  border: 1px solid var(--border);
  border-radius: 999px;
  padding: 5px 12px;
  font-size: 12px;
  cursor: default;
  transition: border-color .2s;
}
.badge-chip:hover { border-color: var(--primary); }
.badge-chip-icon { font-size: 16px; }

/* ── Matchmaking ──────────────────────────────────────────────────────────── */
.quick-match-section {
  background: var(--card);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 20px 24px;
  margin-bottom: 32px;
}
.quick-match-title {
  font-size: 18px; font-weight: 700; margin-bottom: 4px;
}
.quick-match-sub { font-size: 13px; color: var(--text-sub); margin-bottom: 16px; }
.quick-match-grid {
  display: flex; flex-wrap: wrap; gap: 8px;
}
.qm-btn {
  display: flex; align-items: center; gap: 8px;
  background: var(--card-solid);
  border: 1px solid var(--border);
  border-radius: var(--radius-sm);
  color: var(--text); font-size: 13px; font-weight: 600;
  padding: 8px 14px; cursor: pointer;
  transition: border-color .2s, background .2s;
}
.qm-btn:hover { border-color: var(--primary); background: var(--card-hover); }
.qm-btn.searching { border-color: var(--warning); color: var(--warning); }
.qm-status {
  margin-top: 12px; font-size: 13px; color: var(--text-sub);
  min-height: 20px;
}

/* ── Feed empty state ─────────────────────────────────────────────────────── */
.feed-empty {
  text-align: center; padding: 60px 20px;
  color: var(--text-sub);
}
.feed-empty-icon { font-size: 48px; margin-bottom: 16px; }
.feed-empty h3 { font-size: 18px; font-weight: 700; color: var(--text); margin-bottom: 8px; }
.feed-empty p  { font-size: 14px; margin-bottom: 20px; }

/* ── Theme toggle ─────────────────────────────────────────────────────────── */
.theme-toggle-btn {
  background: none; border: none; cursor: pointer;
  color: var(--text-sub); padding: 6px;
  border-radius: 50%; transition: background .2s, color .2s;
  display: flex; align-items: center; justify-content: center;
}
.theme-toggle-btn:hover { background: var(--card-hover); color: var(--text); }

/* ── Search dropdown ──────────────────────────────────────────────────────── */
.search-dropdown {
  position: absolute; top: calc(100% + 6px); left: 0; right: 0;
  background: var(--card-solid);
  border: 1px solid var(--border);
  border-radius: var(--radius-sm);
  box-shadow: 0 8px 32px rgba(0,0,0,0.3);
  z-index: 9999;
  overflow: hidden;
}
.search-dropdown.hidden { display: none; }
.search-section-label { font-size: 11px; font-weight: 700; color: var(--muted); text-transform: uppercase; padding: 10px 14px 4px; }
.search-result-item {
  display: flex; align-items: center; gap: 10px;
  padding: 10px 14px; cursor: pointer;
  transition: background .15s;
  text-decoration: none; color: inherit;
}
.search-result-item:hover { background: var(--card-hover); }
.search-result-avatar {
  width: 32px; height: 32px; border-radius: 50%;
  object-fit: cover; flex-shrink: 0;
  background: var(--primary); display: flex; align-items: center; justify-content: center;
  font-size: 14px; font-weight: 700; color: #fff;
}
.search-result-avatar img { width: 100%; height: 100%; border-radius: 50%; object-fit: cover; }
.search-result-name { font-size: 14px; font-weight: 600; }
.search-result-sub  { font-size: 12px; color: var(--text-sub); }
.search-no-results  { padding: 16px; text-align: center; font-size: 13px; color: var(--muted); }


/* ── Facebook-style Story Viewer ───────────────────────────────── */
.sfb-overlay{position:fixed;inset:0;z-index:20000;background:rgba(0,0,0,0.92);display:flex;}
.sfb-left{width:340px;flex-shrink:0;background:var(--card);padding:20px 12px;overflow-y:auto;display:flex;flex-direction:column;gap:2px;}
.sfb-left-title{font-size:22px;font-weight:800;padding:0 8px 4px;}
.sfb-left-sub{font-size:12px;color:var(--text-sub);font-weight:600;padding:8px 8px 4px;text-transform:uppercase;letter-spacing:.04em;}
.sfb-uitem{display:flex;align-items:center;gap:12px;padding:10px 12px;border-radius:10px;cursor:pointer;transition:background .15s;}
.sfb-uitem:hover,.sfb-uitem.sfb-uactive{background:var(--hover);}
.sfb-uavatar{position:relative;flex-shrink:0;}
.sfb-udot{position:absolute;top:0;right:0;width:10px;height:10px;background:var(--primary);border-radius:50%;border:2px solid var(--card);}
.sfb-uname{font-size:14px;font-weight:600;}
.sfb-utime{font-size:12px;color:var(--text-sub);}
.sfb-main{flex:1;display:flex;align-items:center;justify-content:center;gap:20px;padding:20px;}
.sfb-arrow{width:48px;height:48px;border-radius:50%;background:rgba(255,255,255,.15);border:none;color:#fff;font-size:32px;cursor:pointer;display:flex;align-items:center;justify-content:center;transition:background .15s;flex-shrink:0;}
.sfb-arrow:hover{background:rgba(255,255,255,.3);}
.sfb-arrow-hidden{opacity:0;pointer-events:none;}
.sfb-card{position:relative;flex-shrink:0;width:min(380px,50vw);height:min(680px,85vh);border-radius:14px;overflow:hidden;background:#111;cursor:pointer;user-select:none;}
.sfb-bars{position:absolute;top:10px;left:10px;right:10px;display:flex;gap:4px;z-index:10;}
.sfb-bar{flex:1;height:3px;border-radius:2px;background:rgba(255,255,255,.35);overflow:hidden;}
.sfb-bfill{height:100%;width:0;background:#fff;border-radius:2px;}
.sfb-bdone{width:100%;}
.sfb-bactive{animation:sfb-prog 5s linear forwards;}
.sfb-paused .sfb-bactive{animation-play-state:paused;}
@keyframes sfb-prog{to{width:100%;}}
.sfb-head{position:absolute;top:22px;left:12px;right:12px;display:flex;align-items:center;gap:10px;z-index:10;}
.sfb-hinfo{flex:1;min-width:0;}
.sfb-hname{font-size:14px;font-weight:700;color:#fff;white-space:nowrap;overflow:hidden;text-overflow:ellipsis;}
.sfb-htime{font-size:11px;color:rgba(255,255,255,.65);}
.sfb-del{background:none;border:none;font-size:18px;cursor:pointer;padding:4px;line-height:1;}
.sfb-x{background:none;border:none;color:#fff;font-size:20px;cursor:pointer;padding:4px;line-height:1;}
.sfb-img{width:100%;height:100%;object-fit:cover;display:block;pointer-events:none;}
.sfb-vid{width:100%;height:100%;object-fit:contain;display:block;background:#000;}
.sfb-overlay-text{position:absolute;bottom:90px;left:0;right:0;padding:16px 20px;font-size:20px;font-weight:700;color:#fff;text-align:center;text-shadow:0 2px 12px rgba(0,0,0,.9);pointer-events:none;z-index:5;}
.sfb-textbg{width:100%;height:100%;display:flex;align-items:center;justify-content:center;background:linear-gradient(135deg,var(--primary) 0%,#7c3aed 100%);padding:80px 24px;}
.sfb-textcontent{font-size:22px;font-weight:700;color:#fff;text-align:center;line-height:1.5;}
.sfb-foot{position:absolute;bottom:0;left:0;right:0;padding:16px 14px;z-index:10;background:linear-gradient(to top,rgba(0,0,0,.65) 0%,transparent 100%);}
.sfb-reply-row{display:flex;align-items:center;gap:10px;}
.sfb-reply-in{flex:1;background:rgba(255,255,255,.15);border:1.5px solid rgba(255,255,255,.3);color:#fff;border-radius:22px;padding:10px 16px;font-size:14px;outline:none;font-family:inherit;}
.sfb-reply-in::placeholder{color:rgba(255,255,255,.65);}
.sfb-emojis{font-size:22px;display:flex;gap:4px;}
.sfb-emoji{cursor:pointer;padding:4px 6px;border-radius:8px;transition:background .15s;user-select:none;}
.sfb-emoji:hover{background:rgba(255,255,255,.2);}
.sfb-emoji--active{background:rgba(255,255,255,.25);outline:2px solid rgba(255,255,255,.45);}
.sfb-send-btn{background:none;border:none;color:#fff;font-size:20px;cursor:pointer;padding:4px 8px;opacity:.8;line-height:1;transition:opacity .15s;}
.sfb-send-btn:hover{opacity:1;}
.sfb-reply-sent{text-align:center;color:#fff;font-size:13px;padding:6px;opacity:.9;}
.sfb-ctrl-btn{background:rgba(255,255,255,.15);border:none;color:#fff;font-size:15px;cursor:pointer;padding:5px 8px;border-radius:8px;transition:background .15s;line-height:1;}
.sfb-ctrl-btn:hover{background:rgba(255,255,255,.3);}

/* Story Create Overlay */
.sfb-create-ov{position:fixed;inset:0;z-index:2000;background:rgba(0,0,0,.75);display:flex;align-items:center;justify-content:center;}
.sfb-create-ov.hidden{display:none;}
.sfb-create-box{background:var(--card-solid);border-radius:14px;padding:24px;width:min(480px,95vw);max-height:90vh;overflow-y:auto;border:1px solid var(--border);}
.sfb-create-head{display:flex;align-items:center;justify-content:space-between;margin-bottom:20px;}
.sfb-drop-area{border:2px dashed var(--border);border-radius:12px;}
.sfb-drop-area.hidden{display:none;}
.sfb-drop-inner{text-align:center;padding:48px 20px;}
.sfb-pv-wrap.hidden{display:none;}
.sfb-pv-card{position:relative;border-radius:10px;overflow:hidden;background:#111;max-height:380px;display:flex;align-items:center;justify-content:center;}
.sfb-pv-media{max-width:100%;max-height:340px;object-fit:contain;display:block;}
.sfb-pv-media.hidden{display:none;}
.sfb-pv-textrow{position:absolute;bottom:0;left:0;right:0;padding:12px 16px;background:linear-gradient(to top,rgba(0,0,0,.7),transparent);}
.sfb-pv-txtinput{width:100%;background:transparent;border:none;border-bottom:1.5px solid rgba(255,255,255,.5);color:#fff;font-size:15px;outline:none;padding:6px 0;font-family:inherit;}
.sfb-pv-txtinput::placeholder{color:rgba(255,255,255,.55);}
.sfb-create-actions{display:flex;gap:10px;justify-content:flex-end;margin-top:20px;}
/* Story create full-screen editor (phase 2) */
.sfb-cre-editor{display:flex;width:100%;height:100%;background:rgba(0,0,0,.92);position:relative;overscroll-behavior:none;}
.sfb-cre-editor.hidden{display:none;}
.sfb-cre-left{width:360px;flex-shrink:0;background:var(--card-solid);display:flex;flex-direction:column;border-right:1px solid var(--border);}
.sfb-cre-ltitle{font-size:20px;font-weight:700;padding:22px 20px 0;}
.sfb-cre-lbody{flex:1;padding:16px 20px;overflow-y:auto;}
.sfb-cre-label{display:block;font-size:13px;color:var(--text-sub);margin-bottom:8px;}
.sfb-cre-lfoot{padding:16px 20px;display:flex;flex-direction:column;gap:10px;border-top:1px solid var(--border);}
.sfb-cre-right{flex:1;display:flex;align-items:center;justify-content:center;padding:20px;}
.sfb-cre-card{position:relative;width:min(340px,calc((100vh - 60px) * 9/16));height:min(604px,calc(100vh - 60px));border-radius:14px;overflow:hidden;background:#1a1a2e;}
/* Stage (clips image when panning) */
.sfb-stage{position:absolute;inset:0;overflow:hidden;cursor:grab;touch-action:none;}
.sfb-stage:active{cursor:grabbing;}
.sfb-img-inner{position:absolute;inset:0;transform-origin:center center;will-change:transform;}
.sfb-img-inner img,.sfb-img-inner video{width:100%;height:100%;object-fit:cover;display:block;pointer-events:none;user-select:none;}
/* Draggable text overlay */
.sfb-txt-drag{position:absolute;z-index:10;padding:6px 14px;font-size:20px;font-weight:700;color:#fff;text-align:center;text-shadow:0 2px 12px rgba(0,0,0,.9);cursor:grab;user-select:none;max-width:90%;word-break:break-word;touch-action:none;background:rgba(0,0,0,.25);border-radius:6px;}
.sfb-txt-drag:active{cursor:grabbing;}
/* Editor tools */
.sfb-cre-tools{margin-top:14px;display:flex;flex-direction:column;gap:10px;}
.sfb-tool-row{display:flex;flex-direction:column;gap:4px;}
.sfb-tool-lbl{font-size:12px;color:var(--text-sub);}
.sfb-tool-slider{width:100%;accent-color:var(--primary);}
.sfb-tool-btn{width:100%;margin-top:2px;}
/* Text input row (add text in sidebar) */
.sfb-txt-input-row{display:flex;gap:8px;margin-bottom:0;}
.sfb-txt-input{flex:1;background:var(--input-bg,var(--surface));border:1.5px solid var(--border);border-radius:8px;padding:10px 12px;font-size:14px;color:var(--text);font-family:inherit;outline:none;min-width:0;}
.sfb-txt-input:focus{border-color:var(--primary);}
/* Trash zone */
.sfb-txt-trash{position:absolute;bottom:0;left:0;right:0;height:80px;display:flex;align-items:center;justify-content:center;background:rgba(220,38,38,.15);z-index:20;border-top:2px solid rgba(220,38,38,.3);transition:background .15s,border-color .15s;}
.sfb-txt-trash.sfb-txt-trash-over{background:rgba(220,38,38,.7);border-color:rgba(220,38,38,.9);}
.sfb-txt-trash.hidden{display:none;}
.sfb-txt-trash span{font-size:34px;filter:drop-shadow(0 2px 6px rgba(0,0,0,.5));}
/* Safe-zone guide: marks the area not covered by viewer UI (bars+header at top, footer at bottom) */
.sfb-safe-guide{position:absolute;top:68px;left:8px;right:8px;bottom:96px;border:2px dashed rgba(255,255,255,.35);border-radius:6px;pointer-events:none;z-index:12;}
.sfb-safe-guide::before{content:'พื้นที่ปลอดภัย';position:absolute;top:-20px;left:50%;transform:translateX(-50%);font-size:11px;color:rgba(255,255,255,.5);white-space:nowrap;letter-spacing:.5px;}
.sfb-safe-guide::after{content:'UI ของผู้ดู';position:absolute;bottom:-20px;left:50%;transform:translateX(-50%);font-size:11px;color:rgba(255,255,255,.5);white-space:nowrap;letter-spacing:.5px;}
/* Text input overlay (mobile / tap to edit) */
.sfb-txt-input-ov{position:absolute;inset:0;z-index:30;background:rgba(0,0,0,.72);display:flex;align-items:center;justify-content:center;}
.sfb-txt-input-ov.hidden{display:none;}
.sfb-txt-input-box{background:var(--card-solid);border-radius:14px;padding:20px;width:min(360px,90vw);border:1px solid var(--border);}
/* Reactions bar for story owner */
.sfb-react-bar{display:flex;flex-wrap:wrap;gap:6px;padding-top:6px;}
.sfb-react-chip{background:rgba(255,255,255,.18);border-radius:20px;padding:4px 10px;font-size:15px;cursor:pointer;white-space:nowrap;}
.sfb-react-chip b{font-size:13px;margin-left:2px;}
/* Red delete / trash buttons */
.sfb-del{background:rgba(220,38,38,.85)!important;border:none!important;color:#fff!important;border-radius:8px!important;padding:5px 9px!important;}
.sfb-del:hover{background:rgb(220,38,38)!important;}
@media(max-width:768px){
  .sfb-left{display:none;}
  .sfb-main{position:absolute;inset:0;padding:0;gap:0;}
  .sfb-card{position:absolute;inset:0;width:auto;height:auto;border-radius:0;}
  .sfb-arrow{position:absolute;top:50%;transform:translateY(-50%);z-index:20;background:rgba(255,255,255,.18);}
  .sfb-main>.sfb-arrow:first-child{left:8px;}
  .sfb-main>.sfb-arrow:last-child{right:8px;}
  /* Push progress bars and header below phone status bar / notch */
  .sfb-bars{top:calc(10px + env(safe-area-inset-top, 0px));}
  .sfb-head{top:calc(26px + env(safe-area-inset-top, 0px));}
  /* Push reply/emoji above home indicator */
  .sfb-foot{padding-bottom:calc(16px + env(safe-area-inset-bottom, 0px));}
  .sfb-cre-left{display:none;}
  .sfb-cre-right{width:100%;padding:12px;}
}

.sfb-create-textarea{width:100%;background:var(--input-bg,var(--surface));border:1.5px solid var(--border);border-radius:10px;padding:12px 14px;font-size:15px;color:var(--text);font-family:inherit;resize:vertical;outline:none;}
.sfb-create-textarea:focus{border-color:var(--primary);}