/* ST Training — 2026 theme. Loaded last; overrides app.css / branding.css. */
:root{
 --bg:#f4f6fa;--surface:#fff;--surface-2:#f8fafc;--border:#e4e8ef;--border-strong:#d3d9e3;
 --text:#0f1b2d;--text-2:#334155;--muted:#64748b;
 --primary:#0a58b0;--primary-600:#084a96;--primary-50:#eef4fd;--primary-100:#dbe8fb;
 --accent:#0ea5a0;--success:#0f8a5f;--success-50:#e8f7f0;--danger:#c2342a;--danger-50:#fdeeec;--warn:#a96a00;--warn-50:#fff5e1;
 --radius:16px;--radius-sm:10px;--shadow-sm:0 1px 2px rgba(15,27,45,.05);--shadow:0 1px 3px rgba(15,27,45,.06),0 8px 24px rgba(15,27,45,.06);
 --font:"IBM Plex Sans Thai","Leelawadee UI","Noto Sans Thai",Tahoma,sans-serif;
}
html{-webkit-text-size-adjust:100%}
body{font-family:var(--font);background:var(--bg);color:var(--text);font-size:15.5px;line-height:1.6;-webkit-font-smoothing:antialiased}
h1,h2,h3{color:var(--text);letter-spacing:-.01em;font-weight:600}
h2{font-size:19px}h3{font-size:16.5px}
a{color:var(--primary)}a:hover{color:var(--primary-600)}
.ico{width:20px;height:20px;flex:none}
.hint,.muted,small.muted{color:var(--muted)}
.eyebrow{display:none}

/* ---------- employee top bar ---------- */
.topbar{position:sticky;top:0;z-index:40;background:rgba(255,255,255,.88);backdrop-filter:saturate(1.4) blur(10px);border-bottom:1px solid var(--border)}
.topbar-inner{max-width:1320px;margin:0 auto;height:64px;padding:0 24px;display:flex;align-items:center;gap:24px}
.topbar-brand img{height:34px;width:auto;display:block}
.topnav{display:flex;gap:4px;margin-left:8px}
.topnav a{display:flex;align-items:center;gap:8px;padding:8px 14px;border-radius:999px;color:var(--text-2);text-decoration:none;font-weight:500;font-size:15px;transition:background .15s,color .15s}
.topnav a:hover{background:var(--surface-2);color:var(--text)}
.topnav a.active{background:var(--primary-50);color:var(--primary)}
.topbar-user{margin-left:auto;display:flex;align-items:center;gap:10px}
.topbar-user form{margin:0}
.avatar{width:36px;height:36px;border-radius:50%;display:grid;place-items:center;background:linear-gradient(135deg,var(--primary),var(--accent));color:#fff;font-weight:600;font-size:15px;flex:none}
.user-name{font-weight:500;color:var(--text-2);max-width:180px;overflow:hidden;text-overflow:ellipsis;white-space:nowrap}
.icon-btn{display:inline-flex;align-items:center;gap:6px;min-height:38px;padding:0 10px;border:1px solid transparent;border-radius:10px;background:transparent;color:var(--muted);text-decoration:none;font-size:14px;cursor:pointer}
.icon-btn:hover{background:var(--surface-2);color:var(--text);border-color:var(--border)}
.is-employee .content{max-width:1320px;margin:0 auto;padding:28px 24px 64px}
.page-title{font-size:26px;font-weight:700;margin:0 0 20px;line-height:1.35}

/* ---------- admin shell ---------- */
.admin-shell{display:grid;grid-template-columns:256px minmax(0,1fr);min-height:100vh}
.sidenav{position:sticky;top:0;height:100vh;overflow-y:auto;background:var(--surface);border-right:1px solid var(--border);padding:20px 14px;display:flex;flex-direction:column;gap:6px}
.sidenav-brand img{height:40px;width:auto;display:block;margin:2px 8px 4px}
.sidenav-tag{font-size:12px;color:var(--muted);margin:0 10px 14px}
.sidenav nav{display:flex;flex-direction:column;gap:2px}
.sidenav nav a,.sidenav-switch{display:flex;align-items:center;gap:12px;padding:10px 12px;border-radius:10px;color:var(--text-2);text-decoration:none;font-weight:500;font-size:14.5px}
.sidenav nav a:hover,.sidenav-switch:hover{background:var(--surface-2);color:var(--text)}
.sidenav nav a.active{background:var(--primary-50);color:var(--primary)}
.sidenav nav a.active .ico{color:var(--primary)}
.sidenav-switch{margin-top:auto;border:1px dashed var(--border-strong);color:var(--muted)}
.admin-main{min-width:0}
.admin-top{position:sticky;top:0;z-index:30;display:flex;align-items:center;justify-content:space-between;gap:16px;padding:14px 32px;background:rgba(244,246,250,.9);backdrop-filter:blur(8px);border-bottom:1px solid var(--border)}
.admin-top .page-title{margin:0;font-size:22px}
.is-admin .content{max-width:1400px;margin:0;padding:24px 32px 64px}

/* ---------- surfaces ---------- */
.panel,.metric,.course-card{background:var(--surface);border:1px solid var(--border);border-radius:var(--radius);box-shadow:var(--shadow-sm);padding:22px 24px;margin-bottom:20px}
.panel>h2:first-child,.panel>h2{margin-top:0}
.metrics{gap:16px;margin-bottom:20px}
.metric{margin:0;padding:18px 20px}
.metric small{font-size:13px;font-weight:500}
.metric strong{font-size:30px;font-weight:700;line-height:1.2;margin-top:4px;color:var(--text)}
.alert{border-radius:12px;border:1px solid transparent;padding:12px 16px}
.alert-info{background:var(--primary-50);border-color:var(--primary-100);color:#0b3a73}
.alert-light{background:var(--surface)!important;border-color:var(--border)!important}
.alert-warning{background:var(--warn-50);border-color:#f6dfab;color:#6d4500}
.alert-danger{background:var(--danger-50);border-color:#f6c9c4;color:#8f2119}
.empty{color:var(--muted)}

/* ---------- buttons & forms ---------- */
.btn{border-radius:var(--radius-sm);font-weight:600;padding:9px 18px;min-height:42px;display:inline-flex;align-items:center;justify-content:center;gap:8px;transition:background .15s,box-shadow .15s,transform .05s}
.btn:active{transform:translateY(1px)}
.btn-primary{background:var(--primary);border-color:var(--primary);box-shadow:0 1px 2px rgba(10,88,176,.25)}
.btn-primary:hover,.btn-primary:focus{background:var(--primary-600);border-color:var(--primary-600)}
.btn-primary:disabled{background:#9db4d3;border-color:#9db4d3}
.btn-outline-primary{color:var(--primary);border-color:var(--primary-100);background:var(--surface)}
.btn-outline-primary:hover{background:var(--primary-50);color:var(--primary);border-color:var(--primary-100)}
.btn-light{background:var(--surface);border:1px solid var(--border);color:var(--text-2)}
.btn-light:hover{background:var(--surface-2);border-color:var(--border-strong)}
.btn-outline-danger{color:var(--danger);border-color:#f1c4bf;background:var(--surface)}
.btn-sm{min-height:34px;padding:5px 12px;font-size:13.5px}
.btn-lg{min-height:52px;padding:12px 26px;font-size:17px}
.field>span{font-size:13.5px;font-weight:500;color:var(--text-2)}
.form-control,select.form-control{min-height:44px;border:1px solid var(--border-strong);border-radius:var(--radius-sm);font-size:15px;background-color:var(--surface);color:var(--text)}
.form-control:focus{border-color:var(--primary);box-shadow:0 0 0 4px rgba(10,88,176,.12)}
input[type=checkbox],input[type=radio]{accent-color:var(--primary)}
:focus-visible{outline:3px solid rgba(10,88,176,.45);outline-offset:2px}

/* ---------- tables ---------- */
.table-wrap{border:1px solid var(--border);border-radius:12px;overflow:auto;background:var(--surface)}
.panel .table-wrap{margin-top:8px}
table{font-size:14.5px;border-collapse:separate;border-spacing:0}
th{background:var(--surface-2);color:var(--muted);font-weight:600;font-size:12.5px;text-transform:none;border-bottom:1px solid var(--border);padding:11px 14px}
td{border-bottom:1px solid #eef1f5;padding:12px 14px}
tbody tr:last-child td{border-bottom:0}
tbody tr:hover td{background:#fafbfd}

/* ---------- status pills ---------- */
.status,.lst,.ltr{display:inline-flex;align-items:center;gap:6px;border-radius:999px;padding:3px 11px;font-size:12.5px;font-weight:500;line-height:1.6}
.status:before{content:"";width:6px;height:6px;border-radius:50%;background:currentColor;opacity:.8}
.s-passed{background:var(--success-50);color:var(--success)}
.s-failed,.s-expired{background:var(--danger-50);color:var(--danger)}
.s-renewal_due{background:var(--warn-50);color:var(--warn)}
.s-in_progress,.s-ready_for_exam{background:var(--primary-50);color:var(--primary)}
.s-not_started{background:#eef1f5;color:var(--muted)}
.tag-required{background:var(--danger-50);color:var(--danger);font-weight:600}

/* ---------- video library ---------- */
.section-title{font-size:20px;font-weight:700;margin:4px 0 14px}
.library-tools{gap:12px;margin-bottom:22px}
.chip{border:1px solid var(--border);background:var(--surface);color:var(--text-2);font-weight:500;padding:7px 16px;min-height:38px}
.chip:hover{border-color:var(--border-strong);background:var(--surface-2)}
.chip.active{background:var(--text);border-color:var(--text);color:#fff}
.chip-todo{color:var(--danger);border-color:#f3cdc8}
.chip-todo.active{background:var(--danger);border-color:var(--danger);color:#fff}
.library-tools input[type=search]{border-radius:999px;padding-left:16px}
.vgrid{grid-template-columns:repeat(auto-fill,minmax(340px,1fr));gap:32px 22px}
.vthumb{border-radius:14px;box-shadow:var(--shadow)}
.vinfo h3{font-size:17px;font-weight:600}
.vmeta{font-size:14px}

/* ---------- training pages ---------- */
.video-grid{gap:22px;grid-template-columns:minmax(0,1fr) 320px}
video{border-radius:14px;background:#0b1220}
#watch-status{margin:12px 0}
.lesson-list a{border:1px solid var(--border);border-radius:12px;margin-bottom:8px;padding:12px 14px;text-decoration:none;color:var(--text);background:var(--surface-2)}
.choice{border:1.5px solid var(--border);border-radius:12px;padding:13px 16px;background:var(--surface);cursor:pointer;transition:border-color .15s,background .15s;font-size:15.5px}
.choice:hover{border-color:var(--border-strong);background:var(--surface-2)}
.choice:has(input:checked){border-color:var(--primary);background:var(--primary-50);box-shadow:0 0 0 3px rgba(10,88,176,.08)}
.choice input{width:20px;height:20px;flex:none}
#exam-form .panel h2{font-size:17px;font-weight:600;line-height:1.5;margin-bottom:14px}
.timer{background:var(--surface);border:1px solid var(--border);color:var(--text);border-radius:999px;padding:10px 18px;box-shadow:0 10px 30px rgba(15,27,45,.15);font-size:16px;font-weight:600}
.timer.low{background:var(--danger);border-color:var(--danger);color:#fff}
.panel.unanswered{outline:2px solid var(--danger);outline-offset:3px}
.result-score{font-size:64px;font-weight:700;color:var(--success);line-height:1.1;margin:12px 0}
dialog{border:0;border-radius:var(--radius);box-shadow:0 20px 60px rgba(15,27,45,.25)}
dialog::backdrop{background:rgba(15,27,45,.55);backdrop-filter:blur(2px)}

/* ---------- admin bits ---------- */
.learner-bar{border-radius:14px;border-color:var(--border);box-shadow:0 -6px 24px rgba(15,27,45,.08)}
.train-progress{height:8px;background:#e9edf3}
.train-progress i{background:linear-gradient(90deg,var(--success),#25b37f)}
.cover-preview{border-radius:12px;background:var(--surface-2);border:1px solid var(--border)}
.info-list dt{color:var(--muted)}

/* ---------- login ---------- */
.login-shell{background:radial-gradient(ellipse at 15% 10%,#dbe8fb 0,transparent 45%),radial-gradient(ellipse at 90% 90%,#d6f3ef 0,transparent 40%),var(--bg)}
.login-card{border-radius:22px;box-shadow:0 24px 70px rgba(15,27,45,.10)}
.login-card h1{font-family:var(--font);font-weight:700;letter-spacing:-.01em;color:var(--text)}
.login-card .btn-primary{width:100%;min-height:50px;font-size:16px;background:var(--primary);border-color:var(--primary)}
.login-role{background:var(--primary-50);color:var(--primary);letter-spacing:.2px}

/* ---------- responsive ---------- */
@media(max-width:1000px){.video-grid{grid-template-columns:1fr}.admin-shell{grid-template-columns:72px minmax(0,1fr)}.sidenav{padding:16px 10px}.sidenav-brand img{height:28px;margin:0 auto}.sidenav-tag,.sidenav nav a span,.sidenav-switch span{display:none}.sidenav nav a,.sidenav-switch{justify-content:center;padding:12px}}
@media(max-width:760px){
 .topbar-inner{height:58px;padding:0 16px;gap:12px}.topbar-brand img{height:28px}.hide-sm{display:none}
 .topnav{position:fixed;left:0;right:0;bottom:0;z-index:50;margin:0;gap:0;justify-content:space-around;background:rgba(255,255,255,.96);backdrop-filter:blur(10px);border-top:1px solid var(--border);padding:6px 4px calc(6px + env(safe-area-inset-bottom))}
 .topnav a{flex:1;flex-direction:column;gap:2px;border-radius:12px;padding:6px 4px;font-size:11.5px;text-align:center}
 .topnav a.active{background:transparent}
 .topnav .ico{width:23px;height:23px}
 .is-employee .content{padding:18px 16px 96px}
 .page-title{font-size:22px}
 .vgrid{grid-template-columns:1fr;gap:26px}
 .admin-top{padding:12px 16px}.is-admin .content{padding:16px}
 .panel{padding:18px}
 .timer{bottom:84px}
 .learner-bar{bottom:0}
}
@media print{.topbar,.sidenav,.admin-top{display:none}.admin-shell{display:block}}
.topbar{padding:0;display:block}
.topbar .topnav{margin-top:0}
@media(max-width:760px){.topbar{backdrop-filter:none;-webkit-backdrop-filter:none;background:#fff}}
/* Security pages 2026-10-28 */
.pw-rules{list-style:none;padding:0;margin:4px 0 16px;display:grid;grid-template-columns:1fr 1fr;gap:4px 12px;font-size:13px;color:var(--muted)}
.pw-rules li:before{content:"○ ";}
.pw-rules li.ok{color:var(--success)}.pw-rules li.ok:before{content:"✓ ";}
.setup-example{background:var(--primary-50);border-radius:10px;padding:10px 12px;margin:-6px 0 16px;color:#0b3a73}
.last-login{font-size:13px;color:var(--muted);margin:-10px 0 16px}
.privacy-note{font-size:12px;margin-top:14px;border-top:1px solid var(--border);padding-top:10px}

/* Profile photo 2026-10-28 */
.avatar-img{object-fit:cover;padding:0;background:#e9edf3}
.photo-row{display:flex;gap:18px;align-items:center;flex-wrap:wrap}
.photo-row form{margin:0 0 8px;display:inline-block}
.profile-photo{width:96px;height:96px;border-radius:50%;object-fit:cover;flex:none;box-shadow:0 0 0 3px #fff,0 0 0 4px var(--border)}
.profile-initial{display:grid;place-items:center;background:linear-gradient(135deg,var(--primary),var(--accent));color:#fff;font-size:38px;font-weight:600}
.photo-form label{cursor:pointer;margin:0}