/* Tegara Corporation Internal Security Platform */
:root{
  --bg:#f3f5f8; --surface:#ffffff; --surface-2:#f8f9fb; --ink:#18212f; --muted:#5b6678; --line:#d9dfe8;
  --accent:#1d5fd1; --accent-ink:#ffffff; --accent-soft:#e3ecfb;
  --warn:#b5461f; --warn-soft:#fbeae2; --ok:#1d7a4c; --ok-soft:#e2f3ea; --amber:#946200; --amber-soft:#fbf1d9;
  --side:#121a26; --side-ink:#c9d2df; --side-hi:#ffffff;
  --f-display:"Zen Kaku Gothic New","Hiragino Sans","Yu Gothic",sans-serif;
  --f-body:"IBM Plex Sans JP","Hiragino Sans","Yu Gothic","Meiryo",system-ui,sans-serif;
  --f-mono:"IBM Plex Mono",ui-monospace,Menlo,Consolas,monospace;
  --r:8px;
}
@media (prefers-color-scheme: dark){:root{
  --bg:#10151d; --surface:#18202b; --surface-2:#1d2633; --ink:#e6ebf2; --muted:#9aa6b8; --line:#2b3644;
  --accent:#6ea0ff; --accent-ink:#0d1420; --accent-soft:#1c2c48;
  --warn:#ff9a6e; --warn-soft:#3a251c; --ok:#5fd19a; --ok-soft:#173326; --amber:#f0c060; --amber-soft:#3a3018;
  --side:#0b1018; --side-ink:#9aa6b8; --side-hi:#ffffff; color-scheme:dark}}

*{box-sizing:border-box}
html,body{margin:0}
body{background:var(--bg);color:var(--ink);font-family:var(--f-body);font-size:15px;line-height:1.7}
a{color:var(--accent)}
h1,h2,h3{font-family:var(--f-display);line-height:1.35;text-wrap:balance}
h1{font-size:26px;margin:0}
h2{font-size:20px;margin:0 0 12px}
h3{font-size:16px;margin:0 0 8px}
p{margin:0 0 12px}
code{font-family:var(--f-mono);font-size:.9em;background:var(--surface-2);border:1px solid var(--line);border-radius:4px;padding:0 4px}
img{max-width:100%}
:focus-visible{outline:2px solid var(--accent);outline-offset:2px}
.muted{color:var(--muted)} .small{font-size:13px} .num{font-variant-numeric:tabular-nums}
.req{color:var(--warn)}
.help{font-size:13px;color:var(--muted);margin:4px 0 0}

/* ---------- forms ---------- */
label{display:block;font-weight:500;font-size:14px}
input[type=text],input[type=email],input[type=password],input[type=number],input[type=url],input[type=datetime-local],input[type=date],input:not([type]),select,textarea{
  font:inherit;width:100%;padding:9px 11px;border:1px solid var(--line);border-radius:6px;background:var(--surface);color:var(--ink);margin-top:4px}
textarea{resize:vertical;line-height:1.6}
input[type=file]{font:inherit;font-size:14px;margin-top:4px;max-width:100%}
input[type=checkbox],input[type=radio]{accent-color:var(--accent);width:16px;height:16px}
.check{display:flex;gap:8px;align-items:center;font-weight:400}
.form-grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(220px,1fr));gap:16px}
.form-stack{display:grid;gap:16px}
.bi-label{font-weight:500;font-size:14px;margin-bottom:2px}
.bi-grid{display:grid;grid-template-columns:1fr 1fr;gap:12px}
.bi-grid label{font-weight:400}
.sub{font-size:12px;color:var(--muted);letter-spacing:.04em}
fieldset{border:1px solid var(--line);border-radius:var(--r);padding:14px 16px;margin:0;min-width:0}
legend{font-weight:700;padding:0 6px}

.btn{display:inline-flex;align-items:center;gap:6px;font:inherit;font-weight:700;font-size:14px;border:1px solid var(--accent);background:var(--accent);color:var(--accent-ink);
  border-radius:6px;padding:8px 16px;cursor:pointer;text-decoration:none;white-space:nowrap}
.btn:hover{filter:brightness(1.08)}
.btn.ghost{background:transparent;color:var(--accent)}
.btn.danger{background:transparent;color:var(--warn);border-color:var(--warn)}
.btn.sm{padding:4px 10px;font-size:13px;font-weight:500}
.btn[disabled]{opacity:.5;cursor:not-allowed}
button.link{background:none;border:0;color:inherit;font:inherit;cursor:pointer;padding:0;text-decoration:underline}
.actions{display:flex;gap:10px;flex-wrap:wrap;align-items:center}
.inline{display:inline}

/* ---------- flashes, pills, bars ---------- */
.flash{padding:10px 14px;border-radius:6px;margin:0 0 16px;font-size:14px}
.flash-success{background:var(--ok-soft);color:var(--ok)}
.flash-error{background:var(--warn-soft);color:var(--warn)}
.flash-info{background:var(--accent-soft);color:var(--accent)}
.pill{display:inline-block;font-size:12px;font-weight:500;border-radius:999px;padding:1px 10px;background:var(--surface-2);color:var(--muted);border:1px solid var(--line);white-space:nowrap}
.pill-passed,.pill-active,.pill-sent,.pill-published{background:var(--ok-soft);color:var(--ok);border-color:transparent}
.pill-in_progress,.pill-pending,.pill-invited{background:var(--amber-soft);color:var(--amber);border-color:transparent}
.pill-overdue,.pill-failed,.pill-disabled{background:var(--warn-soft);color:var(--warn);border-color:transparent}
.pill-closed,.pill-draft,.pill-not_started{background:var(--surface-2)}
.bar{height:8px;background:var(--surface-2);border:1px solid var(--line);border-radius:999px;overflow:hidden;min-width:60px}
.bar span{display:block;height:100%;background:var(--accent)}

/* ---------- cards & tables ---------- */
.card{background:var(--surface);border:1px solid var(--line);border-radius:var(--r);padding:20px;margin-bottom:20px;min-width:0}
.card-head{display:flex;justify-content:space-between;align-items:center;gap:12px;flex-wrap:wrap;margin-bottom:12px}
.card-head h2{margin:0}
.table-wrap{overflow-x:auto}
table.t{width:100%;border-collapse:collapse;font-size:14px}
.t th{text-align:left;font-weight:500;color:var(--muted);font-size:12px;letter-spacing:.04em;padding:8px 10px;border-bottom:1px solid var(--line);white-space:nowrap}
.t td{padding:10px;border-bottom:1px solid var(--line);vertical-align:middle}
.t tr:last-child td{border-bottom:0}
.t td.r,.t th.r{text-align:right}
.t .nowrap{white-space:nowrap}
.empty{padding:28px;text-align:center;color:var(--muted)}
.toolbar{display:flex;gap:10px;flex-wrap:wrap;align-items:end;margin-bottom:16px}
.toolbar input,.toolbar select{width:auto;min-width:160px}
.pager{display:flex;gap:4px;flex-wrap:wrap;margin-top:12px}
.pager a,.pager span{padding:2px 9px;border:1px solid var(--line);border-radius:4px;text-decoration:none;font-size:13px}
.pager .cur{background:var(--ink);color:var(--bg)}

.stats{display:grid;grid-template-columns:repeat(4,minmax(0,1fr));gap:16px;margin-bottom:20px}
.stat{background:var(--surface);border:1px solid var(--line);border-radius:var(--r);padding:16px}
.stat .k{font-size:12px;color:var(--muted);letter-spacing:.04em}
.stat .v{font-family:var(--f-display);font-size:30px;font-weight:900;font-variant-numeric:tabular-nums;line-height:1.2}
.stat .d{font-size:13px;color:var(--muted)}
.grid-2{display:grid;grid-template-columns:minmax(0,1fr) minmax(0,1fr);gap:20px}

/* ---------- admin shell ---------- */
.shell{display:grid;grid-template-columns:240px minmax(0,1fr);min-height:100vh}
.side{background:var(--side);color:var(--side-ink);padding:18px 14px;display:flex;flex-direction:column;gap:10px;position:sticky;top:0;height:100vh;overflow-y:auto}
.brand{display:flex;align-items:center;gap:10px;color:inherit;text-decoration:none;font-weight:700;line-height:1.3}
.brand-mark{display:grid;place-items:center;width:32px;height:32px;flex:none;color:var(--accent)}
.brand-mark svg,.brand-mark img{width:28px;height:28px;object-fit:contain}
.side .brand{color:var(--side-hi);font-size:13px}
.side-label{font-size:11px;letter-spacing:.12em;text-transform:uppercase;margin-top:10px;color:var(--side-ink);opacity:.7}
.side-nav{display:grid;gap:2px}
.side-nav a{color:var(--side-ink);text-decoration:none;padding:7px 10px;border-radius:6px;font-size:14px}
.side-nav a:hover{background:rgba(255,255,255,.06);color:var(--side-hi)}
.side-nav a.on{background:rgba(110,160,255,.16);color:var(--side-hi)}
.side-foot{margin-top:auto;display:grid;gap:6px;font-size:13px;border-top:1px solid rgba(255,255,255,.1);padding-top:12px}
.side-foot .who b{display:block;color:var(--side-hi)}
.side-foot a,.side-foot button{color:var(--side-ink)}
.main{padding:24px 28px 60px;min-width:0}
.page-head{display:flex;justify-content:space-between;align-items:center;margin-bottom:20px;gap:12px;flex-wrap:wrap}

/* ---------- learner ---------- */
.topbar{background:var(--surface);border-bottom:1px solid var(--line);padding:0 16px}
.topbar-in{max-width:1000px;margin:0 auto;display:flex;align-items:center;justify-content:space-between;gap:16px;min-height:60px;flex-wrap:wrap}
.topbar .brand{font-size:14px}
.top-actions{display:flex;gap:16px;align-items:center;flex-wrap:wrap;font-size:14px}
.top-actions a{text-decoration:none;color:var(--ink)}
.top-actions a:hover{color:var(--accent)}
.lang-switch{font-size:13px;border:1px solid var(--line);border-radius:999px;padding:2px 10px;text-decoration:none}
.lwrap{max-width:1000px;margin:0 auto;padding:28px 16px 60px}
.lfoot{text-align:center;font-size:12px;color:var(--muted);padding:24px 16px}
.hello{margin-bottom:24px}
.hello h1{font-size:28px}
.camp{margin-bottom:28px}
.camp-head{display:flex;justify-content:space-between;align-items:baseline;gap:12px;flex-wrap:wrap;margin-bottom:12px}
.camp-head h2{margin:0}
.course-list{display:grid;grid-template-columns:repeat(auto-fill,minmax(280px,1fr));gap:16px}
.course{background:var(--surface);border:1px solid var(--line);border-radius:var(--r);overflow:hidden;display:flex;flex-direction:column}
.course-cover{aspect-ratio:16/7;background:var(--accent-soft);display:grid;place-items:center;color:var(--accent);max-width:100%}
.course-cover img{width:100%;height:100%;object-fit:cover}
.course-cover svg{width:56px;height:56px}
.course-body{padding:16px;display:flex;flex-direction:column;gap:8px;flex:1}
.course-body h3{margin:0;font-size:17px}
.course-meta{display:flex;gap:10px;align-items:center;font-size:13px;color:var(--muted);flex-wrap:wrap}
.course-foot{margin-top:auto;display:flex;justify-content:space-between;align-items:center;gap:10px}

.player{display:grid;grid-template-columns:240px minmax(0,1fr);gap:28px;align-items:start}
.toc{position:sticky;top:16px;background:var(--surface);border:1px solid var(--line);border-radius:var(--r);padding:14px}
.toc h2{font-size:15px;margin-bottom:8px}
.toc ol{list-style:none;margin:0;padding:0;display:grid;gap:2px;font-size:14px}
.toc li>a,.toc li>span{display:flex;gap:8px;padding:6px 8px;border-radius:6px;text-decoration:none;color:var(--ink)}
.toc li.cur a{background:var(--accent-soft);color:var(--accent);font-weight:500}
.toc li.locked span{color:var(--muted)}
.toc .dot{flex:none;width:20px;height:20px;border-radius:50%;border:1px solid var(--line);display:grid;place-items:center;font-size:11px;margin-top:2px;padding:0}
.toc li.done .dot{background:var(--ok);border-color:var(--ok);color:var(--surface)}
.lesson{background:var(--surface);border:1px solid var(--line);border-radius:var(--r);padding:28px;min-width:0}
.lesson-step{font-family:var(--f-mono);font-size:12px;color:var(--muted)}
.lesson h1{font-size:26px;margin:4px 0 20px}
.lesson-nav{display:flex;justify-content:space-between;gap:12px;margin-top:28px;padding-top:20px;border-top:1px solid var(--line);flex-wrap:wrap}
.prose{max-width:68ch}
.prose ul,.prose ol{padding-left:22px;margin:0 0 12px}
.prose li{margin-bottom:4px}
.prose h3{margin:16px 0 8px}
.prose blockquote{margin:0}
.blk-h{font-size:20px;margin:24px 0 10px}
.blk-text{margin-bottom:16px}
.blk-callout{background:var(--accent-soft);border-radius:var(--r);padding:14px 18px;margin:0 0 16px;font-weight:500}
.blk-callout p:last-child{margin:0}
.blk-media{margin:0 0 20px}
.blk-media figcaption{font-size:13px;color:var(--muted);margin-top:6px}
.media{display:block;max-width:100%;border-radius:6px;border:1px solid var(--line)}
video.media{width:100%;background:#000}
.embed{position:relative;aspect-ratio:16/9;max-width:100%;border-radius:6px;overflow:hidden;background:#000}
.embed iframe{position:absolute;inset:0;width:100%;height:100%;border:0}

.quiz-q{background:var(--surface);border:1px solid var(--line);border-radius:var(--r);padding:20px;margin-bottom:16px}
.quiz-q.right{border-color:var(--ok)} .quiz-q.wrong{border-color:var(--warn)}
.quiz-q .qn{font-family:var(--f-mono);font-size:12px;color:var(--muted)}
.quiz-q h2{font-family:var(--f-body);font-size:17px;font-weight:700;margin:4px 0 12px}
.passage{background:var(--surface-2);border-left:3px solid var(--line);padding:12px 16px;margin:0 0 14px;border-radius:0 6px 6px 0}
.opt{display:flex;gap:10px;align-items:flex-start;padding:9px 12px;border:1px solid var(--line);border-radius:6px;margin-bottom:8px;cursor:pointer;font-weight:400}
.opt:hover{border-color:var(--accent)}
.opt input{margin-top:4px;flex:none}
.opt.is-correct{border-color:var(--ok);background:var(--ok-soft)}
.opt.is-chosen-wrong{border-color:var(--warn);background:var(--warn-soft)}
.explain{font-size:14px;background:var(--surface-2);border-radius:6px;padding:10px 12px;margin-top:8px}
.result{text-align:center;padding:32px 20px}
.result .score{font-family:var(--f-display);font-size:56px;font-weight:900;line-height:1;font-variant-numeric:tabular-nums}
.result.pass .score{color:var(--ok)} .result.fail .score{color:var(--warn)}
.sticky-actions{position:sticky;bottom:0;background:var(--bg);padding:12px 0;border-top:1px solid var(--line);display:flex;gap:10px;justify-content:space-between;flex-wrap:wrap;align-items:center}

/* ---------- certificate ---------- */
.cert{background:var(--surface);border:2px solid var(--ink);padding:48px 32px;text-align:center;position:relative;max-width:820px;margin:0 auto}
.cert::after{content:"";position:absolute;inset:8px;border:1px solid var(--line);pointer-events:none}
.cert .eyebrow{font-size:12px;letter-spacing:.2em;text-transform:uppercase;color:var(--accent)}
.cert h1{font-size:30px;margin:10px 0}
.cert .who{font-family:var(--f-display);font-size:28px;font-weight:700;border-bottom:1px solid var(--line);display:inline-block;padding:0 24px 6px;margin:16px 0}
.cert .meta{display:flex;justify-content:center;gap:32px;flex-wrap:wrap;font-size:14px;color:var(--muted);margin-top:20px}
.cert .serial{font-family:var(--f-mono);font-size:11px;color:var(--muted);margin-top:16px}

/* ---------- auth ---------- */
.auth-wrap{min-height:100vh;display:flex;flex-direction:column;align-items:center;justify-content:center;padding:24px 16px}
.auth-top{width:100%;max-width:420px;display:flex;justify-content:space-between;align-items:center;margin-bottom:16px;gap:12px}
.auth-top .brand{font-size:14px}
.auth-card{width:100%;max-width:420px;background:var(--surface);border:1px solid var(--line);border-radius:var(--r);padding:28px}
.auth-card h1{font-size:22px;margin-bottom:16px}
.auth-card form{display:grid;gap:14px}
.auth-card .btn{justify-content:center;width:100%}

/* ---------- editor bits ---------- */
.sortlist{list-style:none;margin:0;padding:0;display:grid;gap:8px}
.sortlist li{display:flex;gap:12px;align-items:center;background:var(--surface-2);border:1px solid var(--line);border-radius:6px;padding:10px 12px;flex-wrap:wrap}
.sortlist .grow{flex:1;min-width:0}
.sortlist .type{font-family:var(--f-mono);font-size:11px;text-transform:uppercase;letter-spacing:.06em;color:var(--muted);width:70px}
.opt-row{display:grid;grid-template-columns:auto 1fr 1fr auto;gap:8px;align-items:center;margin-bottom:8px}
.opt-row input[type=text]{margin:0}
.thumb{max-width:160px;max-height:90px;border-radius:4px;border:1px solid var(--line);display:block}
.copybox{display:flex;gap:8px}
.copybox input{font-family:var(--f-mono);font-size:13px}
.steps{display:flex;gap:6px;margin-bottom:20px;flex-wrap:wrap}
.steps span{font-size:13px;padding:4px 12px;border-radius:999px;border:1px solid var(--line);color:var(--muted)}
.steps span.on{background:var(--ink);color:var(--bg);border-color:var(--ink)}
.steps span.done{color:var(--ok);border-color:var(--ok)}
.req-list{list-style:none;padding:0;margin:0;display:grid;gap:6px}
.req-list li{display:flex;justify-content:space-between;gap:12px;padding:8px 12px;background:var(--surface-2);border-radius:6px}

@media (max-width:900px){
  .shell{grid-template-columns:1fr}
  .side{position:static;height:auto}
  .side-nav{grid-template-columns:repeat(auto-fill,minmax(130px,1fr))}
  .main{padding:20px 16px 48px}
  .stats{grid-template-columns:repeat(2,minmax(0,1fr))}
  .grid-2{grid-template-columns:1fr}
  .player{grid-template-columns:1fr}
  .toc{position:static}
}
@media (max-width:560px){
  .bi-grid{grid-template-columns:1fr}
  .opt-row{grid-template-columns:auto 1fr auto}
  .opt-row .en-col{grid-column:2}
  .lesson{padding:20px}
}
@media print{
  .topbar,.lfoot,.no-print{display:none!important}
  body{background:#fff}
  .lwrap{padding:0}
}