/* ============================================================
   ZOMI US GAMMI SUAHNA — Design System
   Palette: deep navy (trust/nav), warm red (emphasis), gold (achievement),
   teal/green (progress/success), warm white/light gray surfaces, dark neutral text.
   Themes: Day, Calm, Night, High Contrast, Warm Reading.
   ============================================================ */

:root {
  --navy: #0B3D66;
  --navy-dark: #082C4A;
  --navy-light: #124a7a;
  --red: #B3261E;
  --red-light: #E4534A;
  --gold: #D4A017;
  --gold-light: #F0C74E;
  --teal: #0F8B7F;
  --teal-light: #2FBBA8;
  --surface: #F7F7F5;
  --surface-card: #FFFFFF;
  --text: #1A1E23;
  --text-muted: #5A6472;
  --border: #E1E4E8;
  --radius-sm: 8px;
  --radius-md: 14px;
  --radius-lg: 22px;
  --shadow-sm: 0 1px 3px rgba(11,61,102,0.08), 0 1px 2px rgba(11,61,102,0.06);
  --shadow-md: 0 4px 14px rgba(11,61,102,0.10);
  --shadow-lg: 0 12px 32px rgba(11,61,102,0.16);
  --font-body: 'Noto Sans', 'Noto Sans Myanmar', system-ui, sans-serif;
  --font-heading: 'Noto Serif', 'Noto Sans Myanmar', Georgia, serif;
  --text-scale: 1;
  --touch-min: 44px;
}

[data-theme="calm"] {
  --surface: #EFF6F5;
  --surface-card: #FBFEFD;
  --navy: #24616B;
  --navy-dark: #1A4850;
  --teal: #3D9E8F;
  --text: #1E2C2B;
}

[data-theme="night"] {
  --surface: #0E1420;
  --surface-card: #171F30;
  --navy: #6FA8DC;
  --navy-dark: #0A1626;
  --navy-light: #8CC0F0;
  --text: #EDF1F7;
  --text-muted: #A7B3C6;
  --border: #2A3446;
  --gold: #F0C74E;
}

[data-theme="high-contrast"] {
  --surface: #FFFFFF;
  --surface-card: #FFFFFF;
  --navy: #000000;
  --navy-dark: #000000;
  --text: #000000;
  --text-muted: #202020;
  --border: #000000;
  --red: #C00000;
  --gold: #7A5B00;
  --teal: #005A4E;
  --shadow-sm: none;
  --shadow-md: none;
  --shadow-lg: none;
}

[data-theme="warm-reading"] {
  --surface: #FBF3E3;
  --surface-card: #FFF9EE;
  --navy: #5B4636;
  --navy-dark: #3F2F23;
  --text: #2C2115;
  --border: #E7D8B8;
  --font-body: 'Noto Serif', 'Noto Sans Myanmar', Georgia, serif;
}

* { box-sizing: border-box; }
html { -webkit-text-size-adjust: 100%; }
body {
  margin: 0;
  font-family: var(--font-body);
  background: var(--surface);
  color: var(--text);
  font-size: calc(16px * var(--text-scale));
  line-height: 1.6;
  transition: background-color .25s ease, color .25s ease;
  min-height: 100vh;
  padding-bottom: env(safe-area-inset-bottom);
}
h1,h2,h3,h4 { font-family: var(--font-heading); line-height: 1.25; margin: 0 0 .5em; }
a { color: var(--navy); }
p { margin: 0 0 1em; }
img, svg { max-width: 100%; }

@media (prefers-reduced-motion: reduce) {
  *, *::before, *::after { animation-duration: 0.001ms !important; animation-iteration-count: 1 !important; transition-duration: 0.001ms !important; scroll-behavior: auto !important; }
}

/* ============ Layout shell ============ */
.site-header {
  position: sticky; top: 0; z-index: 40;
  background: linear-gradient(135deg, var(--navy) 0%, var(--navy-dark) 100%);
  color: #fff;
  box-shadow: var(--shadow-md);
}
.site-header .container { display: flex; align-items: center; gap: 1rem; padding: .65rem 1rem; }
.brand { display:flex; align-items:center; gap:.6rem; font-weight:800; color:#fff; text-decoration:none; white-space:nowrap; }
.brand .emblem { font-size: 1.6rem; filter: drop-shadow(0 1px 1px rgba(0,0,0,.3)); }
.brand .brand-text { display:flex; flex-direction:column; line-height:1.1; }
.brand .brand-text small { font-weight:500; opacity:.85; font-size:.68rem; letter-spacing:.02em; }

.container { max-width: 1200px; margin: 0 auto; padding: 0 1rem; width: 100%; }

.main-nav { display:none; gap: .25rem; margin-left: 1rem; flex:1; flex-wrap: wrap; }
.main-nav a { color: rgba(255,255,255,.88); text-decoration:none; padding:.5rem .75rem; border-radius: var(--radius-sm); font-weight:600; font-size:.92rem; transition: background .15s ease; }
.main-nav a:hover, .main-nav a.active { background: rgba(255,255,255,.14); color:#fff; }
@media (min-width: 900px) { .main-nav { display:flex; } }

.header-actions { display:flex; align-items:center; gap:.5rem; margin-left:auto; }
.icon-btn { background: rgba(255,255,255,.12); border: none; color:#fff; width: var(--touch-min); height: var(--touch-min); border-radius: 50%; display:inline-flex; align-items:center; justify-content:center; cursor:pointer; font-size: 1rem; transition: background .15s ease, transform .15s ease; }
.icon-btn:hover { background: rgba(255,255,255,.24); transform: translateY(-1px); }

.lang-select, select.theme-select {
  background: rgba(255,255,255,.14); color:#fff; border: 1px solid rgba(255,255,255,.3);
  border-radius: var(--radius-sm); padding: .5rem .6rem; font-weight:600; font-size:.85rem; cursor:pointer;
}
.lang-select option, select.theme-select option { color:#111; }

.btn {
  display:inline-flex; align-items:center; justify-content:center; gap:.5rem;
  padding:.65rem 1.2rem; border-radius: var(--radius-sm); font-weight:700; text-decoration:none;
  cursor:pointer; border: 2px solid transparent; font-size:.95rem; min-height: var(--touch-min);
  transition: transform .12s ease, box-shadow .12s ease, background-color .12s ease; white-space:nowrap;
}
.btn:active { transform: scale(0.97); }
.btn-primary { background: var(--gold); color:#3a2b00; box-shadow: var(--shadow-sm); }
.btn-primary:hover { background: var(--gold-light); box-shadow: var(--shadow-md); }
.btn-outline { background: transparent; border-color: rgba(255,255,255,.55); color:#fff; }
.btn-outline:hover { background: rgba(255,255,255,.12); }
.btn-teal { background: var(--teal); color:#fff; }
.btn-teal:hover { background: var(--teal-light); }
.btn-navy { background: var(--navy); color:#fff; }
.btn-navy:hover { background: var(--navy-light); }
.btn-sm { padding:.4rem .8rem; font-size:.82rem; min-height:36px; }
.btn-block { width:100%; }
.btn[disabled] { opacity:.5; cursor:not-allowed; }

/* Mobile bottom nav */
.mobile-nav { position: fixed; bottom:0; left:0; right:0; z-index:50; background: var(--surface-card); border-top:1px solid var(--border); display:flex; box-shadow: 0 -4px 16px rgba(0,0,0,.08); padding-bottom: env(safe-area-inset-bottom); }
@media (min-width: 900px) { .mobile-nav { display:none; } }
.mobile-nav a { flex:1; display:flex; flex-direction:column; align-items:center; gap:2px; padding:.5rem 0 .4rem; text-decoration:none; color: var(--text-muted); font-size:.68rem; font-weight:600; min-height: var(--touch-min); }
.mobile-nav a i { font-size:1.15rem; }
.mobile-nav a.active { color: var(--navy); }
body { padding-bottom: calc(64px + env(safe-area-inset-bottom)); }
@media (min-width: 900px) { body { padding-bottom: 0; } }

/* ============ Hero ============ */
.hero { background: radial-gradient(1200px 600px at 80% -10%, rgba(212,160,23,.18), transparent), linear-gradient(160deg, var(--navy) 0%, var(--navy-dark) 100%); color:#fff; padding: 3rem 0 3.5rem; overflow: hidden; position: relative; }
.hero::after { content:''; position:absolute; inset:0; background: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='60' height='60'%3E%3Ccircle cx='2' cy='2' r='1.4' fill='white' fill-opacity='0.07'/%3E%3C/svg%3E"); pointer-events:none; }
.hero .container { position:relative; }
.hero-badge { display:inline-flex; align-items:center; gap:.4rem; background: rgba(255,255,255,.14); padding:.35rem .8rem; border-radius: 999px; font-size:.78rem; font-weight:700; letter-spacing:.02em; margin-bottom:1rem; animation: fadeInDown .5s ease; }
.hero h1 { font-size: clamp(1.7rem, 4vw, 2.7rem); max-width: 820px; animation: fadeInUp .6s ease; }
.hero p.lead { max-width: 680px; font-size: 1.05rem; opacity:.92; animation: fadeInUp .7s ease; }
.hero-actions { display:flex; gap: .8rem; flex-wrap: wrap; margin-top: 1.4rem; animation: fadeInUp .8s ease; }

@keyframes fadeInUp { from { opacity:0; transform: translateY(14px);} to {opacity:1; transform:none;} }
@keyframes fadeInDown { from { opacity:0; transform: translateY(-10px);} to {opacity:1; transform:none;} }
@keyframes popIn { from { opacity:0; transform: scale(.92);} to {opacity:1; transform:none;} }
@keyframes spin { to { transform: rotate(360deg); } }
@keyframes pulseRing { 0% { box-shadow: 0 0 0 0 rgba(212,160,23,.5);} 70% { box-shadow: 0 0 0 12px rgba(212,160,23,0);} 100% { box-shadow: 0 0 0 0 rgba(212,160,23,0);} }
@keyframes confetti-fall { to { transform: translateY(110vh) rotate(540deg); opacity: 0; } }

/* ============ Section / Cards ============ */
.section { padding: 2.5rem 0; }
.section-head { text-align:center; max-width: 680px; margin: 0 auto 1.8rem; }
.section-head h2 { font-size: clamp(1.4rem, 3vw, 2rem); }
.section-head p { color: var(--text-muted); }
.eyebrow { color: var(--teal); font-weight:800; text-transform:uppercase; letter-spacing:.08em; font-size:.78rem; }

.grid { display:grid; gap: 1.1rem; }
.grid-2 { grid-template-columns: repeat(auto-fit, minmax(260px, 1fr)); }
.grid-3 { grid-template-columns: repeat(auto-fit, minmax(220px, 1fr)); }
.grid-4 { grid-template-columns: repeat(auto-fit, minmax(180px, 1fr)); }
.grid-5 { grid-template-columns: repeat(auto-fit, minmax(200px, 1fr)); }

.card {
  background: var(--surface-card); border:1px solid var(--border); border-radius: var(--radius-md);
  padding: 1.4rem; box-shadow: var(--shadow-sm); transition: transform .18s ease, box-shadow .18s ease;
  animation: fadeInUp .5s ease both;
}
.card:hover { transform: translateY(-4px); box-shadow: var(--shadow-lg); }
.card .card-icon { font-size: 1.8rem; margin-bottom:.5rem; display:inline-block; }
.card h3 { font-size: 1.1rem; margin-bottom:.4rem; }
.card p { color: var(--text-muted); font-size:.92rem; margin-bottom: .8rem; }

.pathway-card { border-top: 4px solid var(--teal); cursor:pointer; text-decoration:none; color:inherit; display:block; }
.pathway-card:hover { border-top-color: var(--gold); }
.pathway-card.selected { outline: 3px solid var(--gold); }

.stat-pill { display:inline-flex; align-items:center; gap:.4rem; background: rgba(15,139,127,.1); color: var(--teal); font-weight:700; padding:.3rem .7rem; border-radius:999px; font-size:.78rem; }
.tag { display:inline-block; background: var(--surface); border:1px solid var(--border); border-radius:999px; padding:.15rem .6rem; font-size:.72rem; font-weight:700; color: var(--text-muted); margin: 0 .25rem .25rem 0; }
.tag.star { background: rgba(212,160,23,.15); color:#8a6600; border-color: rgba(212,160,23,.4); }
[data-theme="night"] .tag.star { color: var(--gold); }
.badge-chip { background: var(--navy); color:#fff; padding:.15rem .55rem; border-radius:999px; font-size:.7rem; font-weight:700; }
.badge-chip.draft { background: var(--red); }
.badge-chip.approved { background: var(--teal); }

/* ============ Buttons row / toolbars ============ */
.toolbar { display:flex; flex-wrap:wrap; gap:.6rem; align-items:center; margin-bottom: 1.2rem; }
.pill-select { display:flex; gap:.4rem; flex-wrap:wrap; }
.pill-select button { border:1px solid var(--border); background: var(--surface-card); padding:.4rem .9rem; border-radius:999px; font-weight:700; font-size:.82rem; cursor:pointer; color: var(--text); }
.pill-select button.active { background: var(--navy); color:#fff; border-color: var(--navy); }

/* ============ Question card ============ */
.qcard { background: var(--surface-card); border:1px solid var(--border); border-radius: var(--radius-lg); padding: 1.6rem; box-shadow: var(--shadow-md); animation: popIn .35s ease both; }
.qcard .qmeta { display:flex; justify-content:space-between; align-items:center; margin-bottom:.8rem; flex-wrap:wrap; gap:.4rem; }
.qcard .qnum { font-weight:800; color: var(--navy); }
[data-theme="night"] .qcard .qnum { color: var(--navy-light); }
.qcard h3.question-text { font-size:1.25rem; margin-bottom: 1rem; }
.answer-list { list-style:none; margin:0 0 1rem; padding:0; display:flex; flex-direction:column; gap:.5rem; }
.answer-item { background: var(--surface); border:1px solid var(--border); border-radius: var(--radius-sm); padding: .7rem .9rem; }
.lang-tab-bar { display:flex; gap:.4rem; margin-bottom: .8rem; border-bottom: 1px solid var(--border); }
.lang-tab-bar button { background:none; border:none; padding:.5rem .9rem; font-weight:700; cursor:pointer; color: var(--text-muted); border-bottom: 3px solid transparent; }
.lang-tab-bar button.active { color: var(--navy); border-bottom-color: var(--gold); }
[data-theme="night"] .lang-tab-bar button.active { color: var(--navy-light); }
.translation-flag { font-size:.68rem; }

.choice-btn { display:flex; align-items:flex-start; gap:.7rem; width:100%; text-align:left; background: var(--surface-card); border:2px solid var(--border); border-radius: var(--radius-sm); padding: .85rem 1rem; font-size: .98rem; cursor:pointer; min-height: var(--touch-min); transition: border-color .15s ease, background .15s ease, transform .1s ease; color: var(--text); font-family: inherit; }
.choice-btn:hover { border-color: var(--navy); }
.choice-btn.selected { border-color: var(--navy); background: rgba(11,61,102,.06); }
.choice-btn.correct { border-color: var(--teal); background: rgba(15,139,127,.12); }
.choice-btn.wrong { border-color: var(--red); background: rgba(179,38,30,.1); }
.choice-btn .choice-letter { flex-shrink:0; width:28px; height:28px; border-radius:50%; background: var(--surface); border:1px solid var(--border); display:flex; align-items:center; justify-content:center; font-weight:800; font-size:.85rem; }

/* ============ Progress ============ */
.progress-bar-track { background: var(--border); border-radius: 999px; height: 10px; overflow:hidden; }
.progress-bar-fill { height:100%; background: linear-gradient(90deg, var(--teal), var(--gold)); border-radius:999px; transition: width .4s ease; }
.ring { position:relative; width:120px; height:120px; }
.ring svg { transform: rotate(-90deg); }
.ring circle { fill:none; stroke-width: 10; }
.ring .ring-bg { stroke: var(--border); }
.ring .ring-fill { stroke: var(--teal); stroke-linecap:round; transition: stroke-dashoffset .6s ease; }
.ring .ring-label { position:absolute; inset:0; display:flex; align-items:center; justify-content:center; font-weight:800; font-size:1.3rem; }

/* ============ Dashboard ============ */
.dash-layout { display:grid; grid-template-columns: 1fr; gap: 1.2rem; }
@media (min-width: 900px) { .dash-layout { grid-template-columns: 240px 1fr; } }
.dash-sidebar { background: var(--surface-card); border:1px solid var(--border); border-radius: var(--radius-md); padding: 1rem; align-self:start; }
.dash-sidebar a { display:flex; align-items:center; gap:.6rem; padding:.6rem .7rem; border-radius: var(--radius-sm); text-decoration:none; color: var(--text); font-weight:600; font-size:.9rem; }
.dash-sidebar a:hover, .dash-sidebar a.active { background: rgba(11,61,102,.08); color: var(--navy); }
.dash-user { display:flex; align-items:center; gap:.7rem; padding:.6rem; margin-bottom:.6rem; border-bottom:1px solid var(--border); }
.dash-user .avatar { font-size: 1.8rem; background: var(--surface); border-radius:50%; width:44px; height:44px; display:flex; align-items:center; justify-content:center; }

.badge-grid { display:grid; grid-template-columns: repeat(auto-fill, minmax(90px, 1fr)); gap:.8rem; }
.badge-item { text-align:center; padding:.6rem; border-radius: var(--radius-sm); background: var(--surface); border: 1px solid var(--border); }
.badge-item.locked { opacity:.35; filter: grayscale(1); }
.badge-item .icon { font-size:1.8rem; display:block; margin-bottom:.2rem; }
.badge-item .name { font-size:.68rem; font-weight:700; }

/* ============ Forms ============ */
.form-card { background: var(--surface-card); border:1px solid var(--border); border-radius: var(--radius-lg); padding: 1.8rem; max-width: 460px; margin: 2rem auto; box-shadow: var(--shadow-md); }
.field { margin-bottom: 1rem; }
.field label { display:block; font-weight:700; margin-bottom:.35rem; font-size:.88rem; }
.field input, .field select, .field textarea {
  width:100%; padding:.7rem .8rem; border-radius: var(--radius-sm); border:1.5px solid var(--border);
  font-size: .95rem; font-family: inherit; background: var(--surface); color: var(--text); min-height: var(--touch-min);
}
.field input:focus, .field select:focus, .field textarea:focus { outline: 3px solid rgba(15,139,127,.35); border-color: var(--teal); }
.field-hint { font-size:.78rem; color: var(--text-muted); margin-top:.3rem; }
.field-error { font-size:.8rem; color: var(--red); margin-top:.3rem; font-weight:600; }

table.data-table { width:100%; border-collapse: collapse; font-size:.88rem; }
table.data-table th, table.data-table td { text-align:left; padding:.6rem .7rem; border-bottom:1px solid var(--border); }
table.data-table th { background: var(--surface); font-weight:800; position: sticky; top:0; }
.table-wrap { overflow-x:auto; border:1px solid var(--border); border-radius: var(--radius-md); background: var(--surface-card); }

/* ============ Alerts / disclaimers ============ */
.alert { border-radius: var(--radius-sm); padding: .9rem 1rem; font-size:.88rem; display:flex; gap:.6rem; align-items:flex-start; }
.alert-info { background: rgba(11,61,102,.07); border:1px solid rgba(11,61,102,.2); color: var(--navy-dark); }
.alert-warn { background: rgba(212,160,23,.14); border:1px solid rgba(212,160,23,.4); color:#6b4f00; }
.alert-danger { background: rgba(179,38,30,.08); border:1px solid rgba(179,38,30,.3); color: var(--red); }
[data-theme="night"] .alert-info { color:#cfe3f5; }
[data-theme="night"] .alert-warn { color: var(--gold); }

.disclaimer-strip { background: var(--navy-dark); color: rgba(255,255,255,.85); font-size: .78rem; text-align:center; padding: .5rem 1rem; }

/* ============ Certificate ============ */
.certificate {
  background: linear-gradient(160deg, #fffdf6, #fff); border: 6px double var(--gold); border-radius: var(--radius-lg);
  padding: 2.4rem; text-align:center; max-width: 720px; margin: 1.5rem auto; position:relative; box-shadow: var(--shadow-lg);
}
.certificate .cert-seal { font-size: 3rem; }
.certificate h2 { font-family: var(--font-heading); color: var(--navy); font-size: 1.8rem; }
.certificate .cert-name { font-family: var(--font-heading); font-size: 2rem; color: var(--navy-dark); border-bottom: 2px solid var(--gold); display:inline-block; padding: 0 1rem .3rem; margin: .8rem 0; }
.certificate .cert-warning { background: rgba(179,38,30,.08); border:1px dashed var(--red); color: var(--red); font-weight:800; font-size:.78rem; padding:.6rem; border-radius: var(--radius-sm); margin-top:1.2rem; text-transform: uppercase; letter-spacing:.02em; }

/* ============ Footer ============ */
.site-footer { background: var(--navy-dark); color: rgba(255,255,255,.8); padding: 2.5rem 0 1.2rem; margin-top: 3rem; }
.site-footer a { color: rgba(255,255,255,.85); }
.site-footer h4 { color:#fff; font-size:.95rem; }
.footer-grid { display:grid; grid-template-columns: repeat(auto-fit, minmax(160px,1fr)); gap: 1.5rem; margin-bottom: 1.5rem; }
.footer-grid ul { list-style:none; padding:0; margin:0; display:flex; flex-direction:column; gap:.4rem; font-size:.85rem; }
.footer-bottom { border-top: 1px solid rgba(255,255,255,.14); padding-top: 1rem; font-size:.78rem; text-align:center; opacity:.85; }

/* ============ Text size control ============ */
.text-size-ctrl { display:flex; align-items:center; gap:.3rem; }
.text-size-ctrl button { background: rgba(255,255,255,.14); border:none; color:#fff; width:30px; height:30px; border-radius:50%; cursor:pointer; font-weight:800; }

/* ============ Utility ============ */
.flex { display:flex; }
.items-center { align-items:center; }
.justify-between { justify-content:space-between; }
.gap-2 { gap:.5rem; }
.gap-3 { gap:.9rem; }
.text-center { text-align:center; }
.text-muted { color: var(--text-muted); }
.mt-2 { margin-top: .6rem; } .mt-4 { margin-top: 1.2rem; } .mb-2 { margin-bottom:.6rem; } .mb-4 { margin-bottom:1.2rem; }
.hidden { display:none !important; }
.sr-only { position:absolute; width:1px; height:1px; padding:0; margin:-1px; overflow:hidden; clip:rect(0,0,0,0); white-space:nowrap; border:0; }
.skip-link { position:absolute; left:-999px; top:0; background:#fff; color:#000; padding:.6rem 1rem; z-index:100; }
.skip-link:focus { left:0; }

.spinner { width:20px; height:20px; border:3px solid rgba(255,255,255,.4); border-top-color:#fff; border-radius:50%; animation: spin .7s linear infinite; display:inline-block; }
.confetti-piece { position: fixed; top:-10px; width:8px; height:14px; z-index: 200; animation: confetti-fall 2.6s ease-in forwards; }

.timer-badge { font-variant-numeric: tabular-nums; font-weight:800; background: var(--navy); color:#fff; padding:.35rem .8rem; border-radius:999px; }
.timer-badge.low { background: var(--red); animation: pulseRing 1.2s infinite; }

/* ============ Interviewer bubble (N-400 simulator) ============ */
.interviewer-bubble { display:flex; align-items:flex-start; gap:.8rem; background: var(--surface); border:1px solid var(--border); border-radius: var(--radius-md); padding: 1rem; margin-bottom: .8rem; }
.interviewer-icon { font-size: 2rem; line-height:1; }

/* ============ Guide article body (rendered Markdown) ============ */
.guide-body h2 { color: var(--navy); margin-top: 1.6rem; font-size: 1.3rem; }
[data-theme="night"] .guide-body h2 { color: var(--navy-light); }
.guide-body h3 { color: var(--teal); margin-top: 1.2rem; font-size: 1.05rem; }
.guide-body h4 { margin-top: 1rem; font-size: .95rem; }
.guide-body p { margin: .6rem 0; line-height:1.7; }
.guide-body ul { margin: .6rem 0 .6rem 1.4rem; }
.guide-body li { margin-bottom: .35rem; }
.guide-body em { color: var(--text-muted); }

/* ============ FAQ ============ */
.faq-item summary::-webkit-details-marker { color: var(--teal); }
.faq-item[open] { border-color: var(--teal); }

/* ============ Social login (OAuth) buttons ============ */
.oauth-btn-row { display:flex; flex-direction:column; gap:.6rem; margin: .8rem 0; }
.oauth-btn {
  --oauth-color: #333;
  display:flex; align-items:center; justify-content:center; gap:.6rem;
  border: 1.5px solid var(--border); border-radius: var(--radius-md);
  padding: .65rem 1rem; font-weight:600; font-size:.95rem;
  background: var(--surface); color: var(--text); text-decoration:none;
  transition: border-color .15s, box-shadow .15s, transform .1s;
}
.oauth-btn i { color: var(--oauth-color); font-size:1.05rem; width:18px; text-align:center; }
.oauth-btn:hover { border-color: var(--oauth-color); box-shadow: 0 2px 10px rgba(0,0,0,.08); transform: translateY(-1px); }
[data-theme="night"] .oauth-btn { background: var(--surface); color: var(--text); }
.oauth-divider { display:flex; align-items:center; gap:.8rem; margin: 1rem 0; color: var(--text-muted); font-size:.82rem; }
.oauth-divider::before, .oauth-divider::after { content:""; flex:1; height:1px; background: var(--border); }
.oauth-note { font-size:.82rem; color: var(--text-muted); background: var(--surface); border:1px dashed var(--border); border-radius: var(--radius-md); padding:.7rem .9rem; margin: .8rem 0; text-align:center; }