/* ═══════════════════════════════════════════════════════════
   Teacher E-Portfolio — macOS Design System (public)
   Kanit (display) + Sarabun (body) · Glassmorphism · Traffic lights
   ═══════════════════════════════════════════════════════════ */

:root {
    /* Brand scale — default = macOS Blue (override ผ่าน theme_style_tag) */
    --brand-50:#eef6ff; --brand-100:#d9ebff; --brand-200:#bcdcff; --brand-300:#8ec6ff;
    --brand-400:#5aa6ff; --brand-500:#0a84ff; --brand-600:#0a6fe0; --brand-700:#0a59b4;
    --brand-800:#0d4a91; --brand-900:#103f77; --brand-950:#0a2749;

    /* macOS accent gold (luxury) */
    --gold-300:#fde68a; --gold-400:#fbbf24; --gold-500:#f59e0b; --gold-600:#d97706;

    /* Surfaces (macOS light) */
    --bg:#eef1f6;
    --bg-2:#e3e8f0;
    --surface:#ffffff;
    --glass:rgba(255,255,255,.72);
    --glass-strong:rgba(255,255,255,.86);
    --glass-dark:rgba(28,28,30,.62);

    /* Ink */
    --ink:#1d1d1f;
    --ink-soft:#3a3a3c;
    --ink-muted:#6e6e73;
    --ink-faint:#a1a1a6;

    /* Lines */
    --line:rgba(0,0,0,.08);
    --line-strong:rgba(0,0,0,.14);
    --hair:.5px solid rgba(0,0,0,.1);

    /* Traffic lights */
    --tl-red:#ff5f57; --tl-yellow:#febc2e; --tl-green:#28c840;

    /* Radii */
    --r-sm:10px; --r:14px; --r-lg:18px; --r-xl:24px; --r-2xl:30px;

    /* Shadows (macOS depth) */
    --sh-sm:0 1px 3px rgba(0,0,0,.06), 0 1px 2px rgba(0,0,0,.04);
    --sh:0 8px 30px rgba(15,23,42,.10);
    --sh-lg:0 20px 60px rgba(15,23,42,.16);
    --sh-xl:0 32px 80px rgba(15,23,42,.22);
    --sh-window:0 30px 90px rgba(15,23,42,.28), 0 1px 0 rgba(255,255,255,.6) inset;

    --ease:cubic-bezier(.22,.61,.36,1);
    --ease-spring:cubic-bezier(.34,1.56,.64,1);

    --menubar-h:38px;
    --dock-h:74px;
}

/* ── Dark mode (accessibility) ── */
[data-theme="dark"] {
    --bg:#0f1115; --bg-2:#15181f;
    --surface:#1c1d22;
    --glass:rgba(36,38,45,.72);
    --glass-strong:rgba(36,38,45,.9);
    --ink:#f5f5f7; --ink-soft:#e5e5ea; --ink-muted:#a1a1a6; --ink-faint:#6e6e73;
    --line:rgba(255,255,255,.1); --line-strong:rgba(255,255,255,.16);
    --hair:.5px solid rgba(255,255,255,.12);
}

* { margin:0; padding:0; box-sizing:border-box; }
html { scroll-behavior:smooth; scroll-padding-top:calc(var(--menubar-h) + 20px); -webkit-text-size-adjust:100%; }

body {
    font-family:"Sarabun","Kanit",system-ui,sans-serif;
    color:var(--ink);
    background:
        radial-gradient(1200px 700px at 12% -8%, rgba(10,132,255,.16), transparent 60%),
        radial-gradient(1000px 600px at 105% 5%, rgba(124,58,237,.12), transparent 55%),
        radial-gradient(900px 700px at 50% 110%, rgba(251,191,36,.10), transparent 60%),
        linear-gradient(180deg, var(--bg), var(--bg-2));
    background-attachment:fixed;
    min-height:100dvh;
    line-height:1.65;
    overflow-x:hidden;
    -webkit-font-smoothing:antialiased;
}

h1,h2,h3,h4,h5,.font-display { font-family:"Kanit",system-ui,sans-serif; font-weight:600; line-height:1.25; color:var(--ink); }
a { color:inherit; text-decoration:none; }
img { max-width:100%; display:block; }
::selection { background:var(--brand-200); color:var(--brand-950); }

.container { width:min(1180px, 92vw); margin-inline:auto; }

/* ─────────────────────────  Menu Bar (macOS top)  ───────────────────────── */
.menubar {
    position:fixed; top:0; left:0; right:0; z-index:100;
    height:var(--menubar-h);
    display:flex; align-items:center; gap:18px;
    padding:0 16px;
    background:var(--glass-strong);
    backdrop-filter:saturate(180%) blur(24px); -webkit-backdrop-filter:saturate(180%) blur(24px);
    border-bottom:var(--hair);
    font-size:13.5px; font-weight:500;
    transition:background .3s var(--ease);
}
.menubar-logo { display:flex; align-items:center; gap:8px; font-family:"Kanit"; font-weight:600; }
.menubar-logo .apple { font-size:16px; color:var(--ink); }
.menubar-logo .name { max-width:40vw; overflow:hidden; text-overflow:ellipsis; white-space:nowrap; }
.menubar-menu { display:flex; gap:4px; }
.menubar-menu a {
    padding:4px 11px; border-radius:7px; color:var(--ink-soft); white-space:nowrap;
    transition:background .15s, color .15s;
}
.menubar-menu a:hover { background:var(--brand-500); color:#fff; }
.menubar-right { margin-left:auto; display:flex; align-items:center; gap:14px; color:var(--ink-soft); }
.menubar-right .mb-item { display:flex; align-items:center; gap:6px; cursor:pointer; padding:3px 8px; border-radius:7px; transition:background .15s; }
.menubar-right .mb-item:hover { background:var(--line); }
.menubar-clock { font-variant-numeric:tabular-nums; white-space:nowrap; }
.menubar-status .dot { width:7px; height:7px; border-radius:50%; background:var(--tl-green); display:inline-block; box-shadow:0 0 0 0 rgba(40,200,64,.5); animation:pulse 2.4s infinite; }
@keyframes pulse { 0%{box-shadow:0 0 0 0 rgba(40,200,64,.5)} 70%{box-shadow:0 0 0 7px rgba(40,200,64,0)} 100%{box-shadow:0 0 0 0 rgba(40,200,64,0)} }

@media (max-width:860px){ .menubar-menu, .menubar-clock { display:none; } }

/* ─────────────────────────  Window component  ───────────────────────── */
.window {
    background:var(--glass-strong);
    backdrop-filter:saturate(160%) blur(30px); -webkit-backdrop-filter:saturate(160%) blur(30px);
    border:var(--hair);
    border-radius:var(--r-xl);
    box-shadow:var(--sh-window);
    overflow:hidden;
}
.window-bar {
    display:flex; align-items:center; gap:8px;
    padding:13px 18px;
    background:linear-gradient(180deg, rgba(255,255,255,.5), rgba(255,255,255,.05));
    border-bottom:var(--hair);
}
[data-theme="dark"] .window-bar { background:linear-gradient(180deg, rgba(255,255,255,.06), transparent); }
.traffic { display:flex; gap:8px; }
.traffic span { width:12px; height:12px; border-radius:50%; box-shadow:inset 0 0 0 .5px rgba(0,0,0,.12); }
.traffic .r{ background:var(--tl-red);} .traffic .y{ background:var(--tl-yellow);} .traffic .g{ background:var(--tl-green);}
.window-title { font-family:"Kanit"; font-size:13.5px; font-weight:500; color:var(--ink-muted); margin:0 auto; padding-right:54px; display:flex; align-items:center; gap:7px; }
.window-title i { color:var(--brand-500); }
.window-body { padding:clamp(22px, 4vw, 44px); }

/* ─────────────────────────  Section heading  ───────────────────────── */
.section { padding:clamp(48px, 7vw, 90px) 0; position:relative; }
.section-head { text-align:center; max-width:680px; margin:0 auto clamp(28px,4vw,48px); }
.section-eyebrow {
    display:inline-flex; align-items:center; gap:7px;
    font-family:"Kanit"; font-size:13px; font-weight:500; letter-spacing:.04em;
    color:var(--brand-700); background:var(--brand-50); border:1px solid var(--brand-100);
    padding:6px 14px; border-radius:999px; margin-bottom:14px;
}
[data-theme="dark"] .section-eyebrow { background:rgba(10,132,255,.12); border-color:rgba(10,132,255,.25); color:var(--brand-300); }
.section-title { font-size:clamp(26px, 4vw, 38px); font-weight:700; letter-spacing:-.01em; }
.section-sub { color:var(--ink-muted); font-size:clamp(15px,2vw,17px); margin-top:10px; }
.section-head .edit-tag { margin-top:14px; }

/* ─────────────────────────  Buttons  ───────────────────────── */
.btn {
    display:inline-flex; align-items:center; justify-content:center; gap:9px;
    font-family:"Kanit"; font-weight:500; font-size:15px;
    padding:12px 24px; border-radius:var(--r); border:none; cursor:pointer;
    transition:transform .18s var(--ease-spring), box-shadow .2s, background .2s, filter .2s;
    white-space:nowrap; position:relative; overflow:hidden;
}
.btn-primary { background:linear-gradient(180deg, var(--brand-400), var(--brand-600)); color:#fff; box-shadow:0 6px 18px rgba(10,132,255,.4), inset 0 1px 0 rgba(255,255,255,.3); }
.btn-primary:hover { transform:translateY(-2px); box-shadow:0 12px 28px rgba(10,132,255,.5), inset 0 1px 0 rgba(255,255,255,.3); }
.btn-ghost { background:var(--glass); color:var(--ink); border:1px solid var(--line-strong); backdrop-filter:blur(10px); }
.btn-ghost:hover { transform:translateY(-2px); box-shadow:var(--sh); background:var(--surface); }
.btn-gold { background:linear-gradient(180deg, var(--gold-400), var(--gold-600)); color:#5b3d09; box-shadow:0 6px 18px rgba(251,191,36,.4); }
.btn-gold:hover { transform:translateY(-2px); box-shadow:0 12px 28px rgba(251,191,36,.5); }
.btn-lg { padding:15px 32px; font-size:16px; }
.btn-sm { padding:8px 16px; font-size:14px; }
.btn:active { transform:translateY(0) scale(.98); }
.btn[disabled] { opacity:.5; cursor:not-allowed; filter:grayscale(.3); }

/* ─────────────────────────  Hero  ───────────────────────── */
.hero { padding:calc(var(--menubar-h) + clamp(40px,8vw,84px)) 0 clamp(40px,6vw,70px); position:relative; }
.hero-window { max-width:1080px; margin-inline:auto; }
.hero-grid { display:grid; grid-template-columns:1.15fr .85fr; gap:clamp(24px,4vw,48px); align-items:center; }
.hero-photo-wrap { position:relative; display:grid; place-items:center; }
.hero-photo {
    width:min(330px,80%); aspect-ratio:4/5; border-radius:var(--r-2xl); overflow:hidden;
    box-shadow:var(--sh-lg); border:5px solid var(--surface); position:relative; z-index:2;
}
.hero-photo img { width:100%; height:100%; object-fit:cover; }
.hero-photo .placeholder, .ph-avatar {
    width:100%; height:100%; display:grid; place-items:center;
    background:linear-gradient(150deg, var(--brand-400), var(--brand-700));
    color:#fff; font-family:"Kanit"; font-weight:600;
}
.ph-avatar .initials { font-size:clamp(40px,8vw,72px); letter-spacing:.04em; text-shadow:0 4px 16px rgba(0,0,0,.2); }
.hero-photo-ring { position:absolute; inset:auto; width:min(360px,86%); aspect-ratio:1; border-radius:50%;
    background:conic-gradient(from 0deg, var(--brand-400), var(--gold-400), var(--brand-600), var(--brand-400));
    filter:blur(30px); opacity:.5; z-index:1; animation:spin 14s linear infinite; }
@keyframes spin { to { transform:rotate(360deg); } }
.hero-badge {
    position:absolute; z-index:3; bottom:8%; right:6%;
    background:var(--glass-strong); backdrop-filter:blur(20px); border:var(--hair);
    border-radius:16px; padding:12px 16px; box-shadow:var(--sh); display:flex; gap:10px; align-items:center;
}
.hero-badge i { font-size:24px; color:var(--gold-500); }
.hero-badge b { font-family:"Kanit"; display:block; font-size:18px; line-height:1; }
.hero-badge small { color:var(--ink-muted); font-size:12px; }

.hero-rank { display:inline-flex; align-items:center; gap:8px; font-family:"Kanit"; font-weight:500; font-size:14px;
    color:var(--brand-700); background:var(--brand-50); border:1px solid var(--brand-100); padding:7px 15px; border-radius:999px; margin-bottom:18px; }
[data-theme="dark"] .hero-rank { background:rgba(10,132,255,.12); border-color:rgba(10,132,255,.25); color:var(--brand-300); }
.hero h1 { font-size:clamp(30px,5.5vw,52px); font-weight:800; letter-spacing:-.02em; }
.hero h1 .grad { background:linear-gradient(120deg, var(--brand-600), var(--brand-400), var(--gold-500)); -webkit-background-clip:text; background-clip:text; -webkit-text-fill-color:transparent; }
.hero-tagline { font-size:clamp(16px,2.4vw,20px); color:var(--ink-soft); margin:16px 0 8px; font-weight:500; font-family:"Kanit"; }
.hero-meta { display:flex; flex-wrap:wrap; gap:8px 18px; color:var(--ink-muted); font-size:15px; margin:14px 0 26px; }
.hero-meta span { display:inline-flex; align-items:center; gap:7px; }
.hero-meta i { color:var(--brand-500); }
.hero-cta { display:flex; flex-wrap:wrap; gap:12px; }
.hero-social { display:flex; gap:10px; margin-top:22px; }
.hero-social a { width:42px; height:42px; border-radius:12px; display:grid; place-items:center; background:var(--glass); border:1px solid var(--line); font-size:18px; color:var(--ink-soft); transition:all .2s var(--ease-spring); }
.hero-social a:hover { transform:translateY(-3px); background:var(--brand-500); color:#fff; box-shadow:0 8px 18px rgba(10,132,255,.4); }

@media (max-width:780px){
    .hero-grid { grid-template-columns:1fr; text-align:center; }
    .hero-photo-wrap { order:-1; }
    .hero-meta, .hero-cta, .hero-social { justify-content:center; }
}

/* ─────────────────────────  Stats counter  ───────────────────────── */
.stats-grid { display:grid; grid-template-columns:repeat(auto-fit, minmax(155px,1fr)); gap:16px; }
.stat-card {
    background:var(--glass-strong); border:var(--hair); border-radius:var(--r-lg);
    padding:26px 20px; text-align:center; box-shadow:var(--sh-sm); position:relative; overflow:hidden;
    transition:transform .25s var(--ease-spring), box-shadow .25s;
}
.stat-card::before { content:""; position:absolute; inset:0 0 auto; height:3px; background:linear-gradient(90deg, var(--brand-400), var(--gold-400)); }
.stat-card:hover { transform:translateY(-5px); box-shadow:var(--sh-lg); }
.stat-icon { width:52px; height:52px; margin:0 auto 12px; border-radius:14px; display:grid; place-items:center; font-size:24px;
    background:linear-gradient(135deg, var(--brand-100), var(--brand-200)); color:var(--brand-700); }
[data-theme="dark"] .stat-icon { background:rgba(10,132,255,.18); color:var(--brand-300); }
.stat-value { font-family:"Kanit"; font-size:clamp(30px,4vw,40px); font-weight:700; line-height:1; color:var(--ink); letter-spacing:-.01em; }
.stat-value .suffix { color:var(--gold-500); }
.stat-label { color:var(--ink-muted); font-size:14px; margin-top:8px; }

/* ─────────────────────────  About  ───────────────────────── */
.about-grid { display:grid; grid-template-columns:1.3fr 1fr; gap:32px; }
.about-bio p { color:var(--ink-soft); margin-bottom:16px; font-size:16px; }
.philosophy {
    background:linear-gradient(135deg, var(--brand-600), var(--brand-800)); color:#fff;
    border-radius:var(--r-lg); padding:28px; position:relative; overflow:hidden; box-shadow:var(--sh);
}
.philosophy::before { content:"\201C"; position:absolute; top:-20px; right:14px; font-size:140px; font-family:Georgia,serif; opacity:.14; }
.philosophy h4 { color:#fff; display:flex; align-items:center; gap:9px; margin-bottom:12px; font-size:18px; }
.philosophy p { font-size:16.5px; line-height:1.8; position:relative; z-index:1; }
.about-info { display:grid; gap:12px; margin-top:20px; }
.info-row { display:flex; gap:12px; align-items:flex-start; background:var(--glass); border:var(--hair); border-radius:var(--r); padding:14px 16px; }
.info-row i { font-size:20px; color:var(--brand-500); margin-top:2px; }
.info-row .k { font-size:12.5px; color:var(--ink-muted); }
.info-row .v { font-family:"Kanit"; font-weight:500; font-size:15.5px; }
.edu-list { display:grid; gap:10px; margin-top:8px; }
.edu-item { display:flex; gap:12px; padding:12px 14px; background:var(--glass); border:var(--hair); border-radius:var(--r); }
.edu-item .yr { font-family:"Kanit"; font-weight:600; color:var(--brand-600); white-space:nowrap; }
@media (max-width:820px){ .about-grid { grid-template-columns:1fr; } }

/* ─────────────────────────  Card grid (teaching, etc.)  ───────────────────────── */
.card-grid { display:grid; grid-template-columns:repeat(auto-fill, minmax(300px,1fr)); gap:20px; }
.pcard {
    background:var(--surface); border:var(--hair); border-radius:var(--r-lg); overflow:hidden;
    box-shadow:var(--sh-sm); transition:transform .28s var(--ease-spring), box-shadow .28s;
    display:flex; flex-direction:column;
}
.pcard:hover { transform:translateY(-6px); box-shadow:var(--sh-lg); }
.pcard-media { aspect-ratio:16/10; overflow:hidden; position:relative; }
.pcard-media img { width:100%; height:100%; object-fit:cover; transition:transform .4s var(--ease); }
.pcard:hover .pcard-media img { transform:scale(1.06); }
.pcard-ph { width:100%; height:100%; display:grid; place-items:center; color:#fff; font-size:42px; }
.pcard-body { padding:18px 20px; display:flex; flex-direction:column; gap:8px; flex:1; }
.pcard-tags { display:flex; flex-wrap:wrap; gap:6px; }
.tag { font-size:12px; font-family:"Kanit"; font-weight:500; padding:3px 10px; border-radius:999px; background:var(--brand-50); color:var(--brand-700); border:1px solid var(--brand-100); }
[data-theme="dark"] .tag { background:rgba(10,132,255,.14); border-color:transparent; color:var(--brand-300); }
.tag-gold { background:#fef3c7; color:#92400e; border-color:#fde68a; }
.pcard h3 { font-size:18px; font-weight:600; }
.pcard p { color:var(--ink-muted); font-size:14.5px; flex:1; }
.pcard-foot { display:flex; align-items:center; gap:10px; margin-top:6px; color:var(--ink-muted); font-size:13.5px; }
.pcard-foot a { color:var(--brand-600); font-weight:500; margin-left:auto; }

/* ─────────────────────────  Filter toolbar  ───────────────────────── */
.filter-bar { display:flex; flex-wrap:wrap; gap:8px; justify-content:center; margin-bottom:28px; }
.chip {
    font-family:"Kanit"; font-weight:500; font-size:14px; padding:9px 18px; border-radius:999px; cursor:pointer;
    background:var(--glass); border:1px solid var(--line-strong); color:var(--ink-soft); transition:all .2s var(--ease);
}
.chip:hover { background:var(--surface); transform:translateY(-1px); }
.chip.active { background:linear-gradient(180deg, var(--brand-400), var(--brand-600)); color:#fff; border-color:transparent; box-shadow:0 6px 16px rgba(10,132,255,.35); }

/* ─────────────────────────  Awards timeline  ───────────────────────── */
.award-grid { display:grid; grid-template-columns:repeat(auto-fill, minmax(290px,1fr)); gap:18px; }
.award-card {
    background:var(--surface); border:var(--hair); border-radius:var(--r-lg); padding:20px; box-shadow:var(--sh-sm);
    position:relative; overflow:hidden; transition:transform .28s var(--ease-spring), box-shadow .28s; display:flex; gap:14px;
}
.award-card:hover { transform:translateY(-5px); box-shadow:var(--sh-lg); }
.award-medal { width:54px; height:54px; border-radius:14px; flex-shrink:0; display:grid; place-items:center; font-size:26px; color:#fff; }
.lv-school{background:linear-gradient(135deg,#94a3b8,#64748b);} .lv-district{background:linear-gradient(135deg,#34d399,#059669);}
.lv-province{background:linear-gradient(135deg,#60a5fa,#2563eb);} .lv-region{background:linear-gradient(135deg,#a78bfa,#7c3aed);}
.lv-national{background:linear-gradient(135deg,#fbbf24,#d97706);} .lv-international{background:linear-gradient(135deg,#f472b6,#db2777);}
.award-card h3 { font-size:16.5px; font-weight:600; }
.award-card .org { color:var(--ink-muted); font-size:13.5px; margin-top:3px; }
.award-card .meta { display:flex; gap:8px; margin-top:8px; flex-wrap:wrap; }
.lv-badge { font-size:11.5px; font-family:"Kanit"; font-weight:600; padding:3px 9px; border-radius:7px; color:#fff; }

/* ─────────────────────────  Trainings tabs  ───────────────────────── */
.tab-bar { display:inline-flex; padding:5px; gap:4px; background:var(--glass); border:var(--hair); border-radius:14px; margin:0 auto 28px; }
.tab-bar { display:flex; width:fit-content; }
.tab-btn { font-family:"Kanit"; font-weight:500; font-size:14.5px; padding:9px 20px; border-radius:10px; cursor:pointer; border:none; background:transparent; color:var(--ink-muted); transition:all .2s var(--ease); }
.tab-btn.active { background:var(--surface); color:var(--brand-600); box-shadow:var(--sh-sm); }
.train-list { display:grid; gap:12px; }
.train-item { display:flex; gap:16px; align-items:center; background:var(--surface); border:var(--hair); border-radius:var(--r); padding:16px 20px; box-shadow:var(--sh-sm); transition:transform .2s var(--ease); }
.train-item:hover { transform:translateX(4px); box-shadow:var(--sh); }
.train-hours { width:64px; height:64px; flex-shrink:0; border-radius:14px; display:grid; place-items:center; text-align:center; background:linear-gradient(135deg,var(--brand-100),var(--brand-200)); color:var(--brand-800); font-family:"Kanit"; }
.train-hours b { font-size:20px; line-height:1; } .train-hours small { font-size:11px; }
[data-theme="dark"] .train-hours { background:rgba(10,132,255,.18); color:var(--brand-200); }
.train-item h4 { font-size:16px; font-weight:600; }
.train-item .sub { color:var(--ink-muted); font-size:13.5px; margin-top:3px; }

/* ─────────────────────────  Gallery  ───────────────────────── */
.gallery-grid { display:grid; grid-template-columns:repeat(auto-fill, minmax(220px,1fr)); gap:14px; grid-auto-flow:dense; }
.gal-item { position:relative; border-radius:var(--r-lg); overflow:hidden; aspect-ratio:1; cursor:pointer; box-shadow:var(--sh-sm); transition:transform .3s var(--ease-spring), box-shadow .3s; }
.gal-item.tall { grid-row:span 2; aspect-ratio:1/2; }
.gal-item:hover { transform:scale(1.02); box-shadow:var(--sh-lg); z-index:2; }
.gal-item img, .gal-ph { width:100%; height:100%; object-fit:cover; }
.gal-ph { display:grid; place-items:center; color:#fff; font-size:40px; }
.gal-cap { position:absolute; inset:auto 0 0; padding:24px 16px 14px; color:#fff; font-family:"Kanit"; font-weight:500; font-size:14.5px;
    background:linear-gradient(0deg, rgba(0,0,0,.7), transparent); opacity:0; transform:translateY(10px); transition:all .3s var(--ease); }
.gal-item:hover .gal-cap { opacity:1; transform:none; }
.gal-zoom { position:absolute; top:12px; right:12px; width:34px; height:34px; border-radius:50%; background:rgba(255,255,255,.85); display:grid; place-items:center; color:var(--ink); opacity:0; transition:opacity .3s; }
.gal-item:hover .gal-zoom { opacity:1; }

/* ─────────────────────────  Students  ───────────────────────── */
.student-grid { display:grid; grid-template-columns:repeat(auto-fill, minmax(280px,1fr)); gap:18px; }
.student-card { background:var(--surface); border:var(--hair); border-radius:var(--r-lg); overflow:hidden; box-shadow:var(--sh-sm); transition:transform .28s var(--ease-spring), box-shadow .28s; }
.student-card:hover { transform:translateY(-5px); box-shadow:var(--sh-lg); }
.student-card .top { padding:18px 20px; display:flex; gap:12px; align-items:center; border-bottom:var(--hair); }
.student-card .trophy { width:46px; height:46px; border-radius:12px; flex-shrink:0; display:grid; place-items:center; font-size:22px; background:linear-gradient(135deg,var(--gold-300),var(--gold-500)); color:#7a4a07; }
.student-card .body { padding:16px 20px; }
.student-card h3 { font-size:16px; }
.student-card .who { color:var(--brand-600); font-size:13.5px; font-weight:500; margin-top:2px; }
.student-card p { color:var(--ink-muted); font-size:14px; margin-top:8px; }

/* ─────────────────────────  Testimonials slider  ───────────────────────── */
.testi-track { display:flex; gap:18px; overflow-x:auto; scroll-snap-type:x mandatory; padding:6px 2px 18px; scrollbar-width:none; }
.testi-track::-webkit-scrollbar { display:none; }
.testi-card { scroll-snap-align:center; flex:0 0 min(420px, 86vw); background:var(--surface); border:var(--hair); border-radius:var(--r-lg); padding:26px; box-shadow:var(--sh-sm); position:relative; }
.testi-card .quote-ic { font-size:34px; color:var(--brand-300); }
.testi-card .msg { font-size:16px; color:var(--ink-soft); line-height:1.8; margin:8px 0 18px; }
.testi-person { display:flex; align-items:center; gap:12px; }
.testi-avatar { width:48px; height:48px; border-radius:50%; overflow:hidden; flex-shrink:0; display:grid; place-items:center; background:linear-gradient(135deg,var(--brand-400),var(--brand-700)); color:#fff; font-family:"Kanit"; font-weight:600; }
.testi-avatar img { width:100%; height:100%; object-fit:cover; }
.testi-person b { font-family:"Kanit"; font-size:15.5px; }
.testi-person small { color:var(--ink-muted); display:block; font-size:13px; }
.testi-dots { display:flex; gap:7px; justify-content:center; margin-top:16px; }
.testi-dots button { width:8px; height:8px; border-radius:50%; border:none; background:var(--line-strong); cursor:pointer; transition:all .2s; }
.testi-dots button.active { width:24px; border-radius:4px; background:var(--brand-500); }

/* ─────────────────────────  Documents  ───────────────────────── */
.doc-grid { display:grid; grid-template-columns:repeat(auto-fill, minmax(280px,1fr)); gap:16px; }
.doc-card { display:grid; grid-template-columns:auto 1fr auto; gap:16px; align-items:center; background:var(--surface); border:var(--hair); border-radius:var(--r-lg); padding:20px; box-shadow:var(--sh-sm); transition:transform .25s var(--ease-spring), box-shadow .25s; }
.doc-card:hover { transform:translateY(-4px); box-shadow:var(--sh-lg); }
.doc-icon { width:56px; height:56px; border-radius:14px; flex-shrink:0; display:grid; place-items:center; font-size:28px; background:linear-gradient(135deg,#fee2e2,#fecaca); color:#dc2626; }
.doc-info { min-width:0; }
.doc-card h3 { font-size:15.5px; line-height:1.35; }
.doc-card p { color:var(--ink-muted); font-size:13px; margin-top:3px; }
.doc-meta { display:inline-flex; align-items:center; gap:5px; margin-top:7px; font-size:11.5px; font-family:"Kanit"; font-weight:500; color:var(--brand-700); background:var(--brand-50); border:1px solid var(--brand-100); padding:3px 9px; border-radius:7px; }
[data-theme="dark"] .doc-meta { background:rgba(10,132,255,.14); border-color:transparent; color:var(--brand-300); }
.doc-card .dl { flex-shrink:0; }
.doc-disabled { opacity:.7; }

/* ─────────────────────────  Contact  ───────────────────────── */
.contact-grid { display:grid; grid-template-columns:1fr 1fr; gap:28px; }
.contact-info { display:grid; gap:14px; align-content:start; }
.contact-info .info-row:hover { background:var(--surface); box-shadow:var(--sh-sm); }
.field { display:block; margin-bottom:16px; }
.field label { display:block; font-family:"Kanit"; font-weight:500; font-size:14px; margin-bottom:7px; color:var(--ink-soft); }
.field input, .field textarea, .field select {
    width:100%; font-family:inherit; font-size:15px; color:var(--ink);
    padding:12px 15px; border-radius:12px; border:1px solid var(--line-strong); background:var(--surface);
    transition:border .2s, box-shadow .2s; outline:none;
}
.field input:focus, .field textarea:focus, .field select:focus { border-color:var(--brand-400); box-shadow:0 0 0 4px var(--brand-100); }
[data-theme="dark"] .field input:focus, [data-theme="dark"] .field textarea:focus { box-shadow:0 0 0 4px rgba(10,132,255,.2); }
.field textarea { resize:vertical; min-height:120px; }
.field-row { display:grid; grid-template-columns:1fr 1fr; gap:14px; }
@media (max-width:780px){ .contact-grid { grid-template-columns:1fr; } .field-row { grid-template-columns:1fr; } }

/* ─────────────────────────  Footer  ───────────────────────── */
.site-footer { margin-top:40px; padding:40px 0 28px; background:var(--glass-strong); border-top:var(--hair); backdrop-filter:blur(20px); }
.footer-inner { display:flex; flex-wrap:wrap; gap:24px; align-items:center; justify-content:space-between; }
.footer-left { display:flex; flex-direction:column; gap:6px; }
.footer-left .cp { color:var(--ink-muted); font-size:14px; }
.version-pill { font-size:11.5px; background:var(--brand-50); color:var(--brand-700); padding:2px 10px; border-radius:999px; width:fit-content; border:1px solid var(--brand-100); }
.footer-dev { display:flex; align-items:center; gap:12px; }
.footer-dev img { width:44px; height:44px; border-radius:50%; border:2px solid var(--surface); box-shadow:0 0 0 2px var(--brand-300), var(--sh-sm); }
.footer-dev .label { font-size:12px; color:var(--ink-muted); }
.footer-dev a { font-family:"Kanit"; font-weight:500; color:var(--ink); }
.footer-nav { display:flex; gap:18px; flex-wrap:wrap; }
.footer-nav a { color:var(--ink-muted); font-size:14px; }
.footer-nav a:hover { color:var(--brand-600); }
@media (max-width:540px){ .footer-inner { flex-direction:column-reverse; text-align:center; align-items:center; } }

/* ─────────────────────────  Dock (floating nav)  ───────────────────────── */
.dock {
    position:fixed; bottom:18px; left:50%; transform:translateX(-50%); z-index:90;
    display:flex; align-items:flex-end; gap:6px; padding:8px 12px;
    background:var(--glass-strong); backdrop-filter:saturate(180%) blur(30px); -webkit-backdrop-filter:saturate(180%) blur(30px);
    border:var(--hair); border-radius:22px; box-shadow:var(--sh-lg);
    max-width:94vw; overflow-x:auto; scrollbar-width:none;
}
.dock::-webkit-scrollbar { display:none; }
.dock a { position:relative; width:46px; height:46px; border-radius:13px; display:grid; place-items:center; font-size:21px; color:var(--ink-soft);
    background:transparent; transition:transform .22s var(--ease-spring), background .2s, color .2s; flex-shrink:0; }
.dock a:hover { transform:translateY(-10px) scale(1.18); background:var(--brand-500); color:#fff; box-shadow:0 10px 24px rgba(10,132,255,.4); }
.dock a.is-active { color:var(--brand-600); }
.dock a.is-active::after { content:""; position:absolute; bottom:-4px; left:50%; transform:translateX(-50%); width:4px; height:4px; border-radius:50%; background:var(--brand-600); }
.dock a .dock-label { position:absolute; bottom:calc(100% + 10px); left:50%; transform:translateX(-50%) scale(.8); transform-origin:bottom; background:var(--ink); color:#fff; font-family:"Kanit"; font-size:12px; padding:5px 10px; border-radius:8px; white-space:nowrap; opacity:0; pointer-events:none; transition:all .2s var(--ease-spring); }
.dock a:hover .dock-label { opacity:1; transform:translateX(-50%) scale(1); }
.dock a .dock-label::after { content:""; position:absolute; top:100%; left:50%; transform:translateX(-50%); border:5px solid transparent; border-top-color:var(--ink); }
.dock-sep { width:1px; align-self:center; height:30px; background:var(--line-strong); margin:0 4px; flex-shrink:0; }
@media (max-width:680px){ .dock a { width:42px; height:42px; font-size:19px; } }

/* ─────────────────────────  Contact FAB  ───────────────────────── */
.contact-fab { position:fixed; bottom:calc(var(--dock-h) + 18px); right:20px; z-index:88; }
.contact-fab-toggle {
    width:60px; height:60px; border-radius:50%; border:none; cursor:pointer; position:relative;
    background:linear-gradient(135deg, var(--brand-400), var(--brand-600)); color:#fff; font-size:25px;
    box-shadow:0 10px 26px rgba(10,132,255,.5); display:grid; place-items:center;
    transition:transform .3s var(--ease-spring), background .3s;
}
.contact-fab-toggle .ring { position:absolute; inset:0; border-radius:50%; background:var(--brand-500); z-index:-1; animation:fabring 2.4s var(--ease) infinite; }
@keyframes fabring { 0%{transform:scale(1);opacity:.6} 100%{transform:scale(1.7);opacity:0} }
.contact-fab.is-open .contact-fab-toggle { transform:rotate(135deg); background:linear-gradient(135deg,#ff7a70,#ff3b30); }
.contact-fab.is-open .ring { display:none; }
.contact-fab-menu { position:absolute; bottom:74px; right:6px; display:flex; flex-direction:column; gap:12px; align-items:flex-end; }
.cfab-item { display:flex; align-items:center; gap:10px; opacity:0; transform:translateY(14px) scale(.7); pointer-events:none; transition:all .3s var(--ease-spring); }
.contact-fab.is-open .cfab-item { opacity:1; transform:none; pointer-events:auto; }
.contact-fab.is-open .cfab-item:nth-child(1){transition-delay:.04s} .contact-fab.is-open .cfab-item:nth-child(2){transition-delay:.08s}
.contact-fab.is-open .cfab-item:nth-child(3){transition-delay:.12s} .contact-fab.is-open .cfab-item:nth-child(4){transition-delay:.16s}
.cfab-label { background:var(--ink); color:#fff; font-family:"Kanit"; font-size:13px; padding:6px 12px; border-radius:9px; box-shadow:var(--sh-sm); white-space:nowrap; }
.cfab-btn { width:48px; height:48px; border-radius:50%; display:grid; place-items:center; font-size:21px; color:#fff; background:var(--c,#0a84ff); box-shadow:var(--sh); flex-shrink:0; }
.cfab-btn:active { transform:scale(.92); }
@media (max-width:680px){ .contact-fab { bottom:calc(var(--dock-h) + 14px); right:14px; } }

/* ─────────────────────────  Edit tag (inline CMS)  ───────────────────────── */
.edit-tag { display:inline-flex; align-items:center; gap:6px; font-family:"Kanit"; font-size:12.5px; font-weight:500;
    color:#7a4a07; background:linear-gradient(135deg,var(--gold-300),var(--gold-400)); padding:5px 12px; border-radius:999px;
    box-shadow:var(--sh-sm); transition:transform .2s var(--ease-spring); vertical-align:middle; }
.edit-tag:hover { transform:translateY(-2px) scale(1.04); box-shadow:var(--sh); }
.edit-tag.edit-tag-float { position:absolute; top:14px; right:14px; z-index:6; }
.section-title .edit-tag { font-size:12px; margin-left:8px; }

/* ─────────────────────────  Lightbox  ───────────────────────── */
.lightbox { position:fixed; inset:0; z-index:200; background:rgba(0,0,0,.85); backdrop-filter:blur(14px); display:none; place-items:center; padding:30px; }
.lightbox.open { display:grid; animation:fade .3s; }
@keyframes fade { from{opacity:0} to{opacity:1} }
.lightbox img { max-width:92vw; max-height:84vh; border-radius:14px; box-shadow:var(--sh-xl); }
.lightbox .lb-close { position:absolute; top:20px; right:24px; width:44px; height:44px; border-radius:50%; background:rgba(255,255,255,.15); color:#fff; border:none; font-size:22px; cursor:pointer; backdrop-filter:blur(10px); }
.lightbox .lb-cap { position:absolute; bottom:24px; left:0; right:0; text-align:center; color:#fff; font-family:"Kanit"; }

/* ─────────────────────────  Scroll reveal / micro-interactions  ───────────────────────── */
[data-reveal] { opacity:0; transform:translateY(28px); transition:opacity .7s var(--ease), transform .7s var(--ease); }
[data-reveal].is-in { opacity:1; transform:none; }
[data-reveal][data-delay="1"]{transition-delay:.08s} [data-reveal][data-delay="2"]{transition-delay:.16s}
[data-reveal][data-delay="3"]{transition-delay:.24s} [data-reveal][data-delay="4"]{transition-delay:.32s}
[data-reveal][data-delay="5"]{transition-delay:.4s}

/* ─────────────────────────  Back to top  ───────────────────────── */
.to-top { position:fixed; bottom:calc(var(--dock-h) + 18px); left:20px; z-index:88; width:46px; height:46px; border-radius:14px;
    background:var(--glass-strong); border:var(--hair); color:var(--ink); font-size:20px; cursor:pointer; backdrop-filter:blur(16px);
    box-shadow:var(--sh); display:grid; place-items:center; opacity:0; transform:translateY(16px) scale(.8); pointer-events:none; transition:all .3s var(--ease-spring); }
.to-top.show { opacity:1; transform:none; pointer-events:auto; }
.to-top:hover { background:var(--brand-500); color:#fff; }
@media (max-width:680px){ .to-top { bottom:calc(var(--dock-h) + 14px); left:14px; } }

/* ─────────────────────────  Accessibility bar  ───────────────────────── */
.a11y-bar { position:fixed; top:calc(var(--menubar-h) + 10px); right:14px; z-index:95; display:flex; flex-direction:column; gap:6px; }
.a11y-bar button { width:38px; height:38px; border-radius:11px; border:var(--hair); background:var(--glass-strong); backdrop-filter:blur(14px); color:var(--ink); cursor:pointer; font-size:16px; box-shadow:var(--sh-sm); transition:all .2s; }
.a11y-bar button:hover { background:var(--brand-500); color:#fff; }
body.font-lg { font-size:18px; }
body.high-contrast { --ink:#000; --ink-muted:#333; --line-strong:rgba(0,0,0,.4); }
@media (max-width:680px){ .a11y-bar { display:none; } }

/* Spacing helper to clear dock on small screens */
.page-home { padding-bottom:calc(var(--dock-h) + 20px); }

@media (prefers-reduced-motion:reduce){ *,*::before,*::after { animation-duration:.001ms !important; transition-duration:.001ms !important; } html{scroll-behavior:auto} }

/* ═════════════════════  Login screen (macOS lock-style)  ═════════════════════ */
.page-login { display:flex; align-items:center; justify-content:center; min-height:100dvh; padding:24px; }
.login-window { width:100%; max-width:960px; min-width:0; }
.login-inner { display:grid; grid-template-columns:1.05fr .95fr; }
/* กัน overflow: min-width:auto ของ flex/grid item ดันความกว้างเกิน viewport */
.login-inner > * { min-width:0; }
.login-form { min-width:0; }
.login-form .lf-input input, .login-form .lf-submit { max-width:100%; }
.login-brand {
    padding:46px 42px; color:#fff; position:relative; overflow:hidden;
    background:linear-gradient(150deg, var(--brand-600), var(--brand-900));
    display:flex; flex-direction:column; justify-content:center;
}
.login-brand::before { content:""; position:absolute; width:300px; height:300px; border-radius:50%; top:-80px; right:-80px; background:radial-gradient(circle, rgba(251,191,36,.4), transparent 70%); }
.login-brand .logo { width:60px; height:60px; border-radius:18px; background:rgba(255,255,255,.16); display:grid; place-items:center; font-size:30px; margin-bottom:24px; backdrop-filter:blur(10px); }
.login-brand h2 { color:#fff; font-size:28px; font-weight:700; line-height:1.3; position:relative; }
.login-brand p { opacity:.85; margin-top:12px; font-size:15px; position:relative; }
.login-features { display:grid; gap:14px; margin-top:30px; position:relative; }
.login-feat { display:flex; gap:12px; align-items:center; }
.login-feat i { width:40px; height:40px; border-radius:11px; background:rgba(255,255,255,.14); display:grid; place-items:center; font-size:18px; flex-shrink:0; }
.login-feat b { font-family:"Kanit"; font-weight:500; font-size:15px; display:block; }
.login-feat small { opacity:.8; font-size:12.5px; }
.login-form { padding:46px 42px; display:flex; flex-direction:column; justify-content:center; }
.login-form .mini-brand { display:none; }
.login-form h1 { font-size:25px; font-weight:700; }
.login-form .sub { color:var(--ink-muted); font-size:14px; margin:6px 0 26px; }
.lf { display:flex; flex-direction:column; gap:15px; }
.lf.shake { animation:shake .4s; }
@keyframes shake { 0%,100%{transform:translateX(0)} 20%,60%{transform:translateX(-8px)} 40%,80%{transform:translateX(8px)} }
.lf-input { position:relative; }
.lf-input i.lead { position:absolute; left:14px; top:50%; transform:translateY(-50%); color:var(--ink-faint); font-size:17px; }
.lf-input input { width:100%; padding:13px 44px; border-radius:12px; border:1px solid var(--line-strong); background:var(--surface); font-size:15px; font-family:inherit; outline:none; transition:border .2s, box-shadow .2s; }
.lf-input input:focus { border-color:var(--brand-400); box-shadow:0 0 0 4px var(--brand-100); }
.lf-eye { position:absolute; right:10px; top:50%; transform:translateY(-50%); background:none; border:none; color:var(--ink-faint); cursor:pointer; font-size:17px; padding:6px; }
.caps-hint { font-size:12px; color:var(--gold-600); display:none; align-items:center; gap:6px; }
.caps-hint.show { display:flex; }
.lf-row { display:flex; align-items:center; justify-content:space-between; font-size:13.5px; }
.lf-row label { display:flex; align-items:center; gap:7px; color:var(--ink-soft); cursor:pointer; }

/* Multi-state submit */
.lf-submit { position:relative; height:50px; border:none; border-radius:13px; cursor:pointer; overflow:hidden; font-family:"Kanit"; font-weight:600; font-size:16px; color:#fff;
    background:linear-gradient(180deg, var(--brand-400), var(--brand-600)); box-shadow:0 8px 20px rgba(10,132,255,.4); transition:background .3s; }
.lf-submit[data-state]{ pointer-events:none; }
.lf-submit-state { position:absolute; inset:0; display:flex; align-items:center; justify-content:center; gap:9px; opacity:0; transform:translateY(8px); transition:all .3s var(--ease); }
.lf-submit-state-default { opacity:1; transform:none; }
.lf-submit[data-state] .lf-submit-state-default { opacity:0; transform:translateY(-8px); }
.lf-submit[data-state="loading"] { background:linear-gradient(180deg,#1c1d22,#34353c); }
.lf-submit[data-state="loading"] .lf-submit-state-loading { opacity:1; transform:none; }
.lf-submit[data-state="success"] { background:linear-gradient(180deg,#34d399,#059669); }
.lf-submit[data-state="success"] .lf-submit-state-success { opacity:1; transform:none; }
.lf-submit[data-state="error"] { background:linear-gradient(180deg,#ff7a70,#dc2626); animation:shake .4s; }
.lf-submit[data-state="error"] .lf-submit-state-error { opacity:1; transform:none; }
.lf-droplets { display:flex; gap:5px; }
.lf-droplets span { width:8px; height:8px; border-radius:50%; background:#fff; animation:bounce 1s infinite; }
.lf-droplets span:nth-child(2){animation-delay:.15s} .lf-droplets span:nth-child(3){animation-delay:.3s}
@keyframes bounce { 0%,100%{transform:translateY(0);opacity:.5} 50%{transform:translateY(-7px);opacity:1} }

.demo-box { margin-top:24px; padding:16px; border-radius:14px; background:var(--brand-50); border:1px dashed var(--brand-200); }
[data-theme="dark"] .demo-box { background:rgba(10,132,255,.1); }
.demo-box .dh { display:flex; align-items:center; justify-content:space-between; font-size:13px; color:var(--brand-700); margin-bottom:10px; font-family:"Kanit"; }
.demo-pill { font-size:10.5px; background:var(--brand-500); color:#fff; padding:2px 9px; border-radius:999px; letter-spacing:.05em; }
.demo-card { display:flex; align-items:center; gap:10px; width:100%; padding:11px 14px; border-radius:11px; background:var(--surface); border:1px solid var(--line); cursor:pointer; font-family:"Kanit"; font-weight:500; transition:all .2s var(--ease-spring); }
.demo-card:hover { transform:translateY(-2px); box-shadow:var(--sh-sm); border-color:var(--brand-300); }
.demo-card i { width:34px; height:34px; border-radius:9px; display:grid; place-items:center; background:linear-gradient(135deg,var(--gold-300),var(--gold-500)); color:#7a4a07; font-size:16px; }
.demo-hint { font-size:12px; color:var(--ink-muted); margin-top:8px; text-align:center; }
.login-back { display:inline-flex; align-items:center; gap:7px; color:var(--ink-muted); font-size:14px; margin-top:22px; }
.login-back:hover { color:var(--brand-600); }

@media (max-width:760px){
    .login-inner { grid-template-columns:1fr; }
    .login-brand { display:none; }
    .login-form { padding:32px 24px; }
    .page-login { padding:14px; }
    .login-form .mini-brand { display:flex; align-items:center; gap:10px; margin-bottom:20px; }
    .login-form .mini-brand .l { width:44px; height:44px; border-radius:12px; background:linear-gradient(135deg,var(--brand-500),var(--brand-700)); color:#fff; display:grid; place-items:center; font-size:22px; }
}

/* spin util */
.spin { display:inline-block; animation:spinkf .8s linear infinite; }
@keyframes spinkf { to { transform:rotate(360deg); } }

/* ═══════════════════════════════════════════════════════════
   Scroll progress bar (global) + button ripple
   ═══════════════════════════════════════════════════════════ */
.scroll-progress { position:fixed; top:0; left:0; height:3px; width:0; z-index:120;
    background:linear-gradient(90deg, var(--brand-400), var(--brand-600), var(--gold-400)); transition:width .1s linear; box-shadow:0 0 8px rgba(10,132,255,.5); }
.ripple { position:absolute; border-radius:50%; transform:scale(0); background:rgba(255,255,255,.5); animation:ripple .6s linear; pointer-events:none; }
@keyframes ripple { to { transform:scale(2.6); opacity:0; } }

/* ═══════════════════════════════════════════════════════════
   Mobile App-Style Homepage (≤768px) — CSS-only switch
   ═══════════════════════════════════════════════════════════ */
.m-app { display:none; }

@media (max-width:768px){
    /* ซ่อน desktop + chrome ทั้งหมด, โชว์เฉพาะ m-app */
    body.m-mobile-mode .dt-home,
    body.m-mobile-mode .menubar,
    body.m-mobile-mode .dock,
    body.m-mobile-mode .site-footer,
    body.m-mobile-mode .a11y-bar,
    body.m-mobile-mode .contact-fab,
    body.m-mobile-mode .to-top { display:none !important; }
    body.m-mobile-mode { background:#eef1f6; }
    [data-theme="dark"] body.m-mobile-mode { background:#0f1115; }

    .m-app { display:block; }

    /* ── App Header ── */
    .m-header { position:sticky; top:0; z-index:30; display:flex; align-items:center; gap:12px;
        padding:calc(10px + env(safe-area-inset-top)) 16px 10px;
        background:linear-gradient(135deg, var(--brand-700), var(--brand-900)); color:#fff;
        box-shadow:0 4px 18px rgba(15,23,42,.18); }
    .m-header-brand { display:flex; align-items:center; gap:10px; min-width:0; flex:1; }
    .m-header-logo { width:42px; height:42px; border-radius:13px; overflow:hidden; flex-shrink:0; background:rgba(255,255,255,.18); display:grid; place-items:center; font-size:21px; }
    .m-header-logo img { width:100%; height:100%; object-fit:cover; }
    .m-header-text { min-width:0; }
    .m-greet { font-size:11.5px; opacity:.85; display:flex; align-items:center; gap:5px; }
    .m-header-text strong { display:block; font-family:"Kanit"; font-size:15px; font-weight:600; white-space:nowrap; overflow:hidden; text-overflow:ellipsis; }
    .m-header-actions { display:flex; gap:8px; }
    .m-icon-btn { width:40px; height:40px; border-radius:12px; border:none; background:rgba(255,255,255,.16); color:#fff; font-size:18px; display:grid; place-items:center; cursor:pointer; transition:transform .15s, background .2s; }
    .m-icon-btn:active { transform:scale(.9); background:rgba(255,255,255,.3); }

    .m-scroll { padding-bottom:calc(86px + env(safe-area-inset-bottom)); }
    .m-section { padding:8px 16px 4px; scroll-margin-top:70px; }
    .m-sec-head { display:flex; align-items:center; gap:8px; margin:16px 2px 12px; }
    .m-sec-head h2 { font-size:18px; font-weight:600; display:flex; align-items:center; gap:8px; }
    .m-sec-head h2 i { color:var(--brand-500); }
    .m-count { margin-left:auto; font-size:12px; font-family:"Kanit"; font-weight:600; color:var(--brand-700); background:var(--brand-50); padding:2px 10px; border-radius:999px; }

    /* ── Hero Banner Card ── */
    .m-hero { margin:14px 16px 0; padding:26px 22px 22px; border-radius:24px; position:relative; overflow:hidden; color:#fff; text-align:center;
        background:linear-gradient(150deg, var(--brand-500), var(--brand-800)); box-shadow:0 18px 40px rgba(10,89,180,.4); }
    .m-hero-bg { position:absolute; width:220px; height:220px; border-radius:50%; top:-90px; right:-70px; background:radial-gradient(circle, rgba(251,191,36,.45), transparent 70%); }
    .m-hero-photo { width:96px; height:96px; border-radius:50%; margin:0 auto 14px; overflow:hidden; border:4px solid rgba(255,255,255,.3); background:rgba(255,255,255,.15); display:grid; place-items:center; position:relative; z-index:1; box-shadow:0 8px 24px rgba(0,0,0,.2); }
    .m-hero-photo img { width:100%; height:100%; object-fit:cover; }
    .m-hero-init { font-family:"Kanit"; font-weight:700; font-size:36px; }
    .m-hero-rank { display:inline-flex; align-items:center; gap:6px; font-size:12px; font-family:"Kanit"; background:rgba(255,255,255,.2); padding:5px 13px; border-radius:999px; position:relative; z-index:1; }
    .m-hero h1 { color:#fff; font-size:24px; font-weight:700; margin:10px 0 6px; position:relative; z-index:1; }
    .m-hero-tag { font-size:14px; opacity:.92; position:relative; z-index:1; }
    .m-hero-school { font-size:12.5px; opacity:.8; margin-top:8px; position:relative; z-index:1; }
    .m-hero-cta { display:flex; gap:10px; margin-top:18px; position:relative; z-index:1; }
    .m-hero-cta .m-btn { flex:1; }

    /* ── App buttons ── */
    .m-btn { display:inline-flex; align-items:center; justify-content:center; gap:8px; font-family:"Kanit"; font-weight:600; font-size:14.5px; padding:13px 18px; border-radius:14px; border:none; cursor:pointer; position:relative; overflow:hidden; transition:transform .15s var(--ease-spring); text-decoration:none; }
    .m-btn:active { transform:scale(.96); }
    .m-btn-light { background:#fff; color:var(--brand-700); box-shadow:0 6px 16px rgba(0,0,0,.15); }
    .m-btn-gold { background:linear-gradient(135deg,var(--gold-400),var(--gold-600)); color:#5b3d09; box-shadow:0 6px 16px rgba(251,191,36,.4); }
    .m-btn-primary { background:linear-gradient(135deg,var(--brand-400),var(--brand-600)); color:#fff; box-shadow:0 8px 20px rgba(10,132,255,.4); }
    .m-btn-block { width:100%; padding:15px; }

    /* ── Quick Stats 2x2 ── */
    .m-stats { display:grid; grid-template-columns:1fr 1fr; gap:10px; padding:16px 16px 4px; }
    .m-stat { display:flex; align-items:center; gap:11px; background:var(--surface); border:var(--hair); border-radius:16px; padding:14px; box-shadow:var(--sh-sm); }
    .m-stat:active { transform:scale(.97); }
    .m-stat-ic { width:42px; height:42px; border-radius:12px; flex-shrink:0; display:grid; place-items:center; font-size:20px; background:linear-gradient(135deg,var(--brand-100),var(--brand-200)); color:var(--brand-700); }
    .m-stat b { font-family:"Kanit"; font-size:21px; font-weight:700; line-height:1; display:block; }
    .m-stat small { color:var(--ink-muted); font-size:11.5px; }

    /* ── App Menu Grid ── */
    .m-menu-grid { display:grid; grid-template-columns:repeat(4,1fr); gap:6px; }
    .m-menu-item { display:flex; flex-direction:column; align-items:center; gap:7px; padding:10px 4px; border-radius:14px; transition:background .2s; }
    .m-menu-item:active { background:var(--brand-50); }
    .m-menu-ic { width:54px; height:54px; border-radius:17px; display:grid; place-items:center; font-size:23px; box-shadow:0 4px 12px rgba(15,23,42,.1); transition:transform .2s var(--ease-spring); }
    .m-menu-item:active .m-menu-ic { transform:rotate(-5deg) scale(.95); }
    .m-menu-lb { font-size:11.5px; font-family:"Kanit"; font-weight:500; color:var(--ink-soft); text-align:center; }

    /* ── Card / About ── */
    .m-card { background:var(--surface); border:var(--hair); border-radius:18px; padding:18px; box-shadow:var(--sh-sm); }
    .m-about-card p { color:var(--ink-soft); font-size:14.5px; line-height:1.7; }
    .m-philo { margin-top:14px; padding:14px 16px; border-radius:14px; color:#fff; font-size:13.5px; line-height:1.7;
        background:linear-gradient(135deg,var(--brand-600),var(--brand-800)); }
    .m-philo i { color:var(--gold-300); }
    .m-about-chips { display:flex; flex-wrap:wrap; gap:8px; margin-top:14px; }
    .m-chip { font-size:12.5px; font-family:"Kanit"; font-weight:500; padding:6px 12px; border-radius:999px; background:var(--brand-50); color:var(--brand-700); border:1px solid var(--brand-100); display:inline-flex; align-items:center; gap:6px; }

    /* ── Horizontal scroll ── */
    .m-hscroll { display:flex; gap:13px; overflow-x:auto; scroll-snap-type:x mandatory; padding:4px 16px 14px; margin:0 -16px; scrollbar-width:none; -webkit-overflow-scrolling:touch; }
    .m-hscroll::-webkit-scrollbar { display:none; }
    .m-hscroll > * { scroll-snap-align:start; flex:0 0 auto; }

    /* Teaching card */
    .m-tcard { width:230px; background:var(--surface); border:var(--hair); border-radius:18px; overflow:hidden; box-shadow:var(--sh-sm); }
    .m-tcard-media { height:120px; position:relative; display:grid; place-items:center; color:#fff; font-size:34px; }
    .m-tcard-media img { width:100%; height:100%; object-fit:cover; position:absolute; inset:0; }
    .m-tcard-tag { position:absolute; top:10px; left:10px; z-index:1; font-size:11px; font-family:"Kanit"; font-weight:600; background:rgba(255,255,255,.92); color:var(--brand-700); padding:3px 10px; border-radius:999px; }
    .m-tcard-body { padding:13px 15px; }
    .m-tcard-body h3 { font-size:15px; font-weight:600; line-height:1.35; }
    .m-tcard-body p { color:var(--ink-muted); font-size:13px; margin:6px 0; line-height:1.5; }
    .m-mini { font-size:12px; color:var(--brand-600); font-weight:500; }

    /* Student card */
    .m-scard { width:240px; background:var(--surface); border:var(--hair); border-radius:18px; padding:18px; box-shadow:var(--sh-sm); }
    .m-scard-trophy { width:44px; height:44px; border-radius:13px; display:grid; place-items:center; font-size:21px; background:linear-gradient(135deg,var(--gold-300),var(--gold-500)); color:#7a4a07; margin-bottom:11px; }
    .m-scard h3 { font-size:15px; }
    .m-scard-who { font-size:12.5px; color:var(--brand-600); font-weight:500; display:block; margin:3px 0; }
    .m-scard p { color:var(--ink-muted); font-size:13px; margin:6px 0; line-height:1.5; }

    /* Quote card */
    .m-qcard { width:280px; background:var(--surface); border:var(--hair); border-radius:18px; padding:18px; box-shadow:var(--sh-sm); }
    .m-q-ic { font-size:28px; color:var(--brand-300); }
    .m-qcard p { font-size:14px; color:var(--ink-soft); line-height:1.6; margin:4px 0 14px; }
    .m-q-person { display:flex; align-items:center; gap:10px; }
    .m-q-av { width:42px; height:42px; border-radius:50%; overflow:hidden; flex-shrink:0; background:linear-gradient(135deg,var(--brand-400),var(--brand-700)); color:#fff; display:grid; place-items:center; font-family:"Kanit"; font-weight:600; }
    .m-q-av img { width:100%; height:100%; object-fit:cover; }
    .m-q-person b { font-family:"Kanit"; font-size:14px; display:block; }
    .m-q-person small { color:var(--ink-muted); font-size:12px; }

    /* Gallery */
    .m-gal .m-gal-item { width:150px; height:150px; border-radius:16px; overflow:hidden; position:relative; box-shadow:var(--sh-sm); }
    .m-gal-item img, .m-gal-ph { width:100%; height:100%; object-fit:cover; }
    .m-gal-ph { display:grid; place-items:center; color:#fff; font-size:32px; }
    .m-gal-cap { position:absolute; inset:auto 0 0; padding:18px 10px 8px; color:#fff; font-family:"Kanit"; font-size:12px; background:linear-gradient(0deg,rgba(0,0,0,.7),transparent); }

    /* List */
    .m-list { display:flex; flex-direction:column; gap:10px; }
    .m-li { display:flex; align-items:center; gap:13px; background:var(--surface); border:var(--hair); border-radius:16px; padding:14px; box-shadow:var(--sh-sm); }
    .m-li:active { transform:scale(.99); }
    .m-li-ic { width:44px; height:44px; border-radius:13px; flex-shrink:0; display:grid; place-items:center; font-size:20px; color:#fff; }
    .m-li-ic.doc { background:linear-gradient(135deg,#fee2e2,#fecaca); color:#dc2626; }
    .m-li-hours { width:48px; height:48px; border-radius:13px; flex-shrink:0; display:grid; place-items:center; text-align:center; background:linear-gradient(135deg,var(--brand-100),var(--brand-200)); color:var(--brand-800); font-family:"Kanit"; }
    .m-li-hours b { font-size:17px; line-height:1; } .m-li-hours small { font-size:10px; }
    .m-li-body { flex:1; min-width:0; }
    .m-li-body b { font-family:"Kanit"; font-size:14.5px; font-weight:600; display:block; line-height:1.35; }
    .m-li-body small { color:var(--ink-muted); font-size:12.5px; display:block; margin-top:2px; }
    .m-li-meta { display:flex; align-items:center; gap:7px; margin-top:6px; flex-wrap:wrap; }
    .m-yr { font-size:11.5px; font-family:"Kanit"; font-weight:600; color:var(--gold-600); background:#fef3c7; padding:2px 9px; border-radius:7px; }
    .m-role-tag { font-size:11px; font-family:"Kanit"; font-weight:600; color:var(--brand-700); background:var(--brand-50); padding:3px 10px; border-radius:999px; flex-shrink:0; }
    .m-role-tag.sp { color:#7a4a07; background:linear-gradient(135deg,var(--gold-300),var(--gold-400)); }
    .m-dl { width:42px; height:42px; border-radius:13px; flex-shrink:0; display:grid; place-items:center; font-size:18px; color:#fff; background:linear-gradient(135deg,var(--brand-400),var(--brand-600)); box-shadow:0 4px 12px rgba(10,132,255,.35); }
    .m-dl.off { background:#e5e5ea; color:var(--ink-faint); box-shadow:none; }

    /* Contact */
    .m-contact-quick { display:grid; grid-template-columns:repeat(4,1fr); gap:8px; margin-bottom:14px; }
    .m-cq { display:flex; flex-direction:column; align-items:center; gap:6px; padding:13px 4px; border-radius:15px; background:var(--surface); border:var(--hair); box-shadow:var(--sh-sm); }
    .m-cq:active { transform:scale(.95); }
    .m-cq i { width:40px; height:40px; border-radius:50%; display:grid; place-items:center; font-size:18px; color:#fff; background:var(--c,#0a84ff); }
    .m-cq span { font-size:11.5px; font-family:"Kanit"; font-weight:500; color:var(--ink-soft); }
    .m-field { margin-bottom:11px; }
    .m-field input, .m-field textarea { width:100%; font-family:inherit; font-size:15px; padding:13px 15px; border-radius:13px; border:1px solid var(--line-strong); background:var(--surface); color:var(--ink); outline:none; transition:border .2s, box-shadow .2s; }
    .m-field input:focus, .m-field textarea:focus { border-color:var(--brand-400); box-shadow:0 0 0 4px var(--brand-100); }
    .m-field textarea { resize:vertical; min-height:90px; }

    /* Footer card */
    .m-footer { text-align:center; padding:26px 18px; background:var(--surface); border:var(--hair); border-radius:20px; box-shadow:var(--sh-sm); }
    .m-foot-logo { width:50px; height:50px; border-radius:15px; margin:0 auto 12px; display:grid; place-items:center; font-size:24px; color:#fff; background:linear-gradient(135deg,var(--brand-500),var(--brand-700)); }
    .m-footer strong { font-family:"Kanit"; font-size:16px; display:block; }
    .m-footer small { color:var(--ink-muted); font-size:12.5px; display:block; margin-top:3px; }
    .m-footer .m-cp { margin-top:10px; }
    .m-footer .m-dev { display:inline-block; margin-top:10px; font-size:12.5px; color:var(--brand-600); font-weight:500; }

    /* ── Bottom Navigation + FAB ── */
    .m-bottom-nav { position:fixed; bottom:0; left:0; right:0; z-index:50; display:flex; justify-content:space-around; align-items:center;
        background:rgba(255,255,255,.96); backdrop-filter:blur(20px); -webkit-backdrop-filter:blur(20px); border-top:var(--hair);
        padding:6px 0 calc(6px + env(safe-area-inset-bottom)); }
    [data-theme="dark"] .m-bottom-nav { background:rgba(28,29,34,.96); }
    .m-nav-item { position:relative; display:flex; flex-direction:column; align-items:center; gap:3px; padding:6px 10px; min-width:58px; min-height:44px; border:none; background:none; color:var(--ink-muted); font-family:"Kanit"; cursor:pointer; transition:color .2s; }
    .m-nav-item span:not(.m-nav-fab):not(.m-fab-lb) { font-size:10.5px; }
    .m-nav-item i { font-size:20px; }
    .m-nav-item.is-active { color:var(--brand-600); }
    .m-nav-item.is-active::before { content:""; position:absolute; top:0; left:50%; transform:translateX(-50%); width:24px; height:3px; background:var(--gold-400); border-radius:0 0 4px 4px; }
    .m-nav-item:active { transform:scale(.92); }
    .m-nav-fab-wrap { margin-top:-24px; }
    .m-nav-fab { width:56px; height:56px; border-radius:50%; display:grid; place-items:center; font-size:24px; color:#fff;
        background:linear-gradient(135deg,var(--brand-400),var(--brand-600)); box-shadow:0 8px 20px rgba(10,132,255,.5); border:4px solid var(--surface); }
    .m-fab-lb { font-size:10.5px; color:var(--brand-600); font-weight:600; margin-top:2px; }

    /* ── Bottom Sheet ── */
    .m-sheet { position:fixed; inset:0; z-index:90; pointer-events:none; }
    .m-sheet.is-open { pointer-events:auto; }
    .m-sheet-bd { position:absolute; inset:0; opacity:0; background:rgba(15,23,42,.5); backdrop-filter:blur(4px); transition:opacity .3s var(--ease); }
    .m-sheet.is-open .m-sheet-bd { opacity:1; }
    .m-sheet-content { position:absolute; bottom:0; left:0; right:0; background:var(--surface); border-radius:26px 26px 0 0; transform:translateY(100%); transition:transform .35s var(--ease); max-height:82vh; overflow-y:auto; padding:0 18px calc(24px + env(safe-area-inset-bottom)); }
    .m-sheet.is-open .m-sheet-content { transform:none; }
    .m-sheet-handle { width:48px; height:5px; background:var(--line-strong); border-radius:3px; margin:10px auto 14px; }
    .m-sheet-content h3 { font-size:18px; margin-bottom:16px; }
    .m-sheet-grid { display:grid; grid-template-columns:repeat(4,1fr); gap:8px; margin-bottom:18px; }
    .m-sheet-item { display:flex; flex-direction:column; align-items:center; gap:7px; padding:8px 4px; border-radius:14px; }
    .m-sheet-item:active { background:var(--brand-50); }
    .m-sheet-item span:last-child { font-size:11.5px; font-family:"Kanit"; color:var(--ink-soft); }
    .m-sheet-links { display:flex; flex-direction:column; gap:8px; border-top:var(--hair); padding-top:16px; }
    .m-sheet-link { display:flex; align-items:center; gap:12px; padding:13px 16px; border-radius:14px; background:var(--brand-50); color:var(--brand-700); font-family:"Kanit"; font-weight:500; font-size:14.5px; border:none; cursor:pointer; text-align:left; }
    .m-sheet-link i { font-size:18px; }

    /* ── Search overlay ── */
    .m-search { position:fixed; inset:0; z-index:100; background:var(--surface); display:none; flex-direction:column; }
    .m-search.is-open { display:flex; animation:fade .25s; }
    .m-search-bar { display:flex; align-items:center; gap:10px; padding:calc(12px + env(safe-area-inset-top)) 16px 12px; border-bottom:var(--hair); }
    .m-search-bar button { width:40px; height:40px; border:none; background:none; font-size:20px; color:var(--ink); cursor:pointer; }
    .m-search-bar input { flex:1; border:none; background:var(--bg); border-radius:12px; padding:12px 16px; font-size:16px; font-family:inherit; outline:none; color:var(--ink); }
    .m-search-results { flex:1; overflow-y:auto; padding:16px; }
    .m-search-hint { color:var(--ink-muted); text-align:center; padding:40px 20px; font-size:14px; }
    .m-sr-item { display:flex; align-items:center; gap:12px; padding:13px; border-radius:14px; border:var(--hair); margin-bottom:8px; background:var(--surface); }
    .m-sr-item i { width:38px; height:38px; border-radius:11px; display:grid; place-items:center; background:var(--brand-50); color:var(--brand-600); flex-shrink:0; }
    .m-sr-item b { font-family:"Kanit"; font-size:14px; display:block; }
    .m-sr-item small { color:var(--ink-muted); font-size:12px; }
}

/* Desktop: ensure mobile-only chrome never shows */
@media (min-width:769px){ .m-app, .m-bottom-nav, .m-sheet, .m-search { display:none !important; } }

/* ═══════════════ App Launcher / Waffle Grid (menubar overflow) ═══════════════ */
.app-launcher { position:relative; display:flex; align-items:center; }
.waffle-btn { width:32px; height:32px; border-radius:9px; border:none; background:transparent; color:var(--ink-soft); font-size:16px; cursor:pointer; display:grid; place-items:center; transition:background .15s, color .15s, transform .2s var(--ease-spring); }
.waffle-btn:hover { background:var(--line); }
.app-launcher.open .waffle-btn { background:var(--brand-500); color:#fff; transform:rotate(90deg); }

.app-pop { position:absolute; top:calc(100% + 12px); right:0; width:312px; max-width:88vw;
    background:var(--glass-strong); backdrop-filter:saturate(180%) blur(28px); -webkit-backdrop-filter:saturate(180%) blur(28px);
    border:var(--hair); border-radius:20px; box-shadow:var(--sh-lg); padding:14px;
    opacity:0; transform:translateY(-10px) scale(.95); transform-origin:top right; pointer-events:none;
    transition:opacity .22s var(--ease), transform .22s var(--ease-spring); z-index:110; }
.app-launcher.open .app-pop { opacity:1; transform:none; pointer-events:auto; }
.app-pop::before { content:""; position:absolute; top:-6px; right:13px; width:12px; height:12px;
    background:var(--glass-strong); border-left:var(--hair); border-top:var(--hair); transform:rotate(45deg); }
.app-pop-head { font-family:"Kanit"; font-size:12.5px; font-weight:600; color:var(--ink-muted); padding:2px 6px 12px; display:flex; align-items:center; gap:6px; }
.app-pop-head i { color:var(--brand-500); }
.app-grid { display:grid; grid-template-columns:repeat(3,1fr); gap:6px; }
.app-tile { display:flex; flex-direction:column; align-items:center; gap:8px; padding:13px 6px; border-radius:15px; transition:background .15s, transform .2s var(--ease-spring); }
.app-tile:hover { background:var(--brand-50); transform:translateY(-2px); }
[data-theme="dark"] .app-tile:hover { background:rgba(10,132,255,.12); }
.app-tile-ic { width:48px; height:48px; border-radius:15px; display:grid; place-items:center; font-size:22px; box-shadow:var(--sh-sm); transition:transform .2s var(--ease-spring); }
.app-tile:hover .app-tile-ic { transform:rotate(-6deg) scale(1.06); }
.app-tile-lb { font-size:11.5px; font-family:"Kanit"; font-weight:500; color:var(--ink-soft); text-align:center; line-height:1.2; }