/* ─────────────────────────────────────────────────────────────────────────────
   Training & Video Portal — one stylesheet, no framework, no build.

   Tokens live on :root and are redefined once for dark mode. Everything else
   reads them, so the whole product re-themes by editing the block below.
   ───────────────────────────────────────────────────────────────────────────── */

:root{
  /* surface */
  --bg:#f7f8fb;
  --bg-2:#eef1f6;
  --panel:#ffffff;
  --panel-2:#f8fafc;
  --line:#e6e9ef;
  --line-2:#d3d9e3;

  /* ink */
  --ink:#0d1220;
  --ink-2:#3d4658;
  --muted:#6b7488;
  --faint:#9aa3b5;

  /* accent */
  --brand:#5b5bd6;
  --brand-2:#7c5cf0;
  --brand-ink:#ffffff;
  --brand-soft:#eef0ff;
  --brand-line:#d3d6fb;

  /* status */
  --ok:#0e7c58; --ok-soft:#e8f7f0;
  --warn:#9a6212; --warn-soft:#fdf5e4;
  --bad:#b32036; --bad-soft:#fdeef0;

  /* form */
  --radius:12px;
  --radius-sm:9px;
  --radius-lg:16px;
  --ring:0 0 0 3px rgba(91,91,214,.18);
  --shadow-1:0 1px 2px rgba(13,18,32,.05), 0 1px 3px rgba(13,18,32,.04);
  --shadow-2:0 4px 12px rgba(13,18,32,.07), 0 12px 32px rgba(13,18,32,.06);
  --shadow-3:0 24px 64px rgba(13,18,32,.18);
  --ease:180ms cubic-bezier(.2,.7,.3,1);
}

@media (prefers-color-scheme: dark){
  :root:not([data-theme="light"]){
    --bg:#0a0d16; --bg-2:#0e1220; --panel:#131828; --panel-2:#171d30;
    --line:#242b40; --line-2:#333c55;
    --ink:#eef1f8; --ink-2:#c3cadb; --muted:#8e98ae; --faint:#6b7590;
    --brand:#8b8bf5; --brand-2:#a78bfa; --brand-ink:#0a0d16;
    --brand-soft:#1c1f3d; --brand-line:#343879;
    --ok:#4ade9f; --ok-soft:#0c2a20;
    --warn:#f6c258; --warn-soft:#2c2209;
    --bad:#f98a9c; --bad-soft:#2e1017;
    --ring:0 0 0 3px rgba(139,139,245,.25);
    --shadow-1:0 1px 2px rgba(0,0,0,.4);
    --shadow-2:0 4px 12px rgba(0,0,0,.4), 0 12px 32px rgba(0,0,0,.35);
    --shadow-3:0 24px 64px rgba(0,0,0,.6);
  }
}
:root[data-theme="dark"]{
  --bg:#0a0d16; --bg-2:#0e1220; --panel:#131828; --panel-2:#171d30;
  --line:#242b40; --line-2:#333c55;
  --ink:#eef1f8; --ink-2:#c3cadb; --muted:#8e98ae; --faint:#6b7590;
  --brand:#8b8bf5; --brand-2:#a78bfa; --brand-ink:#0a0d16;
  --brand-soft:#1c1f3d; --brand-line:#343879;
  --ok:#4ade9f; --ok-soft:#0c2a20;
  --warn:#f6c258; --warn-soft:#2c2209;
  --bad:#f98a9c; --bad-soft:#2e1017;
  --ring:0 0 0 3px rgba(139,139,245,.25);
  --shadow-1:0 1px 2px rgba(0,0,0,.4);
  --shadow-2:0 4px 12px rgba(0,0,0,.4), 0 12px 32px rgba(0,0,0,.35);
  --shadow-3:0 24px 64px rgba(0,0,0,.6);
}

*,*::before,*::after{box-sizing:border-box}
html,body{margin:0;padding:0}
body{
  background:var(--bg); color:var(--ink);
  font:15px/1.6 ui-sans-serif,system-ui,-apple-system,"Segoe UI",Roboto,"Helvetica Neue",Arial,sans-serif;
  -webkit-font-smoothing:antialiased; text-rendering:optimizeLegibility;
}
.boot{padding:48px;color:var(--muted)}

h1,h2,h3{margin:0 0 8px;line-height:1.22;letter-spacing:-.015em;font-weight:680}
h1{font-size:25px;letter-spacing:-.022em}
h2{font-size:17px}
h3{font-size:14.5px}
p{margin:0 0 10px;color:var(--ink-2)}
a{color:var(--brand);text-decoration:none}
a:hover{text-decoration:underline}
small,.small{font-size:12.5px;line-height:1.5}
.muted{color:var(--muted)}
b,strong{font-weight:640;color:var(--ink)}
hr{border:0;border-top:1px solid var(--line);margin:18px 0}

code,kbd{font-family:ui-monospace,SFMono-Regular,"SF Mono",Menlo,Consolas,monospace;font-size:12.5px;
  background:var(--panel-2);border:1px solid var(--line);border-radius:6px;padding:1.5px 5px;color:var(--ink-2)}
pre{background:var(--panel-2);border:1px solid var(--line);border-radius:var(--radius);padding:13px 15px;
  overflow:auto;font-size:12.5px;line-height:1.65;max-height:340px;color:var(--ink-2)}
pre code{background:none;border:0;padding:0}

.ico{flex:none;vertical-align:-.15em}

::selection{background:var(--brand-soft);color:var(--ink)}
:focus-visible{outline:none;box-shadow:var(--ring);border-radius:6px}

/* ── shell ───────────────────────────────────────────────────────────────── */
.shell{display:grid;grid-template-columns:248px minmax(0,1fr);min-height:100vh}

.side{
  background:var(--panel);border-right:1px solid var(--line);
  padding:18px 14px 14px;display:flex;flex-direction:column;gap:2px;
  position:sticky;top:0;height:100vh;
}
.brand{display:flex;gap:11px;align-items:center;padding:4px 8px 20px}
.brand .name{font-weight:700;font-size:15px;letter-spacing:-.02em;line-height:1.2}
.brand .name span{display:block;font-size:10.5px;font-weight:650;color:var(--faint);
  text-transform:uppercase;letter-spacing:.12em;margin-top:2px}

.nav{display:flex;flex-direction:column;gap:1px}
.nav a{
  display:flex;gap:10px;align-items:center;padding:9px 10px;border-radius:var(--radius-sm);
  color:var(--ink-2);font-weight:560;font-size:13.5px;position:relative;
  transition:background var(--ease),color var(--ease);
}
.nav a .ico{color:var(--faint);transition:color var(--ease)}
.nav a:hover{background:var(--panel-2);color:var(--ink);text-decoration:none}
.nav a:hover .ico{color:var(--muted)}
.nav a.on{background:var(--brand-soft);color:var(--brand);font-weight:640}
.nav a.on .ico{color:var(--brand)}
.nav .sep{margin:16px 10px 6px;font-size:10px;font-weight:700;letter-spacing:.13em;
  text-transform:uppercase;color:var(--faint)}

.side .foot{margin-top:auto;padding:12px 10px 2px;border-top:1px solid var(--line)}
.side .foot .who{font-size:12.5px;color:var(--ink-2);font-weight:560;
  overflow:hidden;text-overflow:ellipsis;white-space:nowrap}
.side .foot .role{font-size:10.5px;color:var(--faint);text-transform:uppercase;letter-spacing:.1em}

.main{padding:26px 30px 72px;min-width:0}
.main > h1{margin-bottom:4px}
.main > h1 + p{max-width:74ch;margin-bottom:20px}

.topbar{display:flex;flex-wrap:wrap;gap:12px;align-items:center;justify-content:space-between;
  margin:-4px 0 22px}
.picker{display:flex;gap:8px;align-items:center;background:var(--panel);border:1px solid var(--line);
  border-radius:999px;padding:5px 6px 5px 13px;box-shadow:var(--shadow-1)}
.picker label{margin:0;font-size:10px;letter-spacing:.12em;color:var(--faint)}
.picker select{border:0;background:none;padding:3px 6px;font-weight:600;font-size:13.5px;width:auto;
  min-width:130px;box-shadow:none}
.picker select:focus{box-shadow:none;outline:none}

@media (max-width:900px){
  .shell{grid-template-columns:1fr}
  .side{position:static;height:auto;flex-direction:row;flex-wrap:wrap;align-items:center;
    border-right:0;border-bottom:1px solid var(--line);padding:10px 12px;gap:6px}
  .side .brand{padding:2px 6px;flex:1 1 100%}
  .nav{flex-direction:row;flex-wrap:wrap;gap:4px;flex:1 1 100%}
  .nav a{padding:7px 11px;font-size:13px}
  .nav .sep{display:none}
  .side .foot{margin:2px 0 0;border:0;padding:4px 6px;display:flex;gap:10px;align-items:center;flex:1 1 100%}
  .main{padding:18px 16px 60px}
}

/* ── blocks ──────────────────────────────────────────────────────────────── */
.card{background:var(--panel);border:1px solid var(--line);border-radius:var(--radius-lg);
  padding:20px 22px;box-shadow:var(--shadow-1);margin:0 0 18px}
.card > h2{display:flex;align-items:center;gap:9px;margin-bottom:3px}
.card > h2 .ico{color:var(--faint)}
.card > h2 + p{margin-bottom:16px;max-width:76ch}
.card.flush{padding:0;overflow:hidden}

.head{display:flex;flex-wrap:wrap;gap:12px;align-items:center;justify-content:space-between;
  margin-bottom:14px}
.head h2{margin:0}

.row{display:flex;gap:10px;flex-wrap:wrap;align-items:center}
.row.tight{gap:7px}
.row.end{justify-content:flex-end}
.row.between{justify-content:space-between}
.grid{display:grid;gap:14px}
.grid.two{grid-template-columns:repeat(auto-fit,minmax(248px,1fr))}
.split{display:grid;grid-template-columns:minmax(0,1fr) minmax(0,1fr);gap:18px}
@media (max-width:960px){.split{grid-template-columns:1fr}}
.stack{display:flex;flex-direction:column;gap:12px}
.spacer{flex:1}

/* ── forms ───────────────────────────────────────────────────────────────── */
label{display:block;font-size:11px;font-weight:700;letter-spacing:.075em;text-transform:uppercase;
  color:var(--muted);margin:0 0 5px}
.field{min-width:0}
.field + .field{margin-top:12px}
.field .small{display:block;margin-top:5px;color:var(--muted)}

input,select,textarea{
  width:100%;background:var(--panel);color:var(--ink);
  border:1px solid var(--line-2);border-radius:var(--radius-sm);
  padding:9px 11px;font:inherit;font-size:14px;line-height:1.4;
  transition:border-color var(--ease),box-shadow var(--ease),background var(--ease);
  box-shadow:inset 0 1px 1px rgba(13,18,32,.02);
}
input::placeholder,textarea::placeholder{color:var(--faint)}
input:hover,select:hover,textarea:hover{border-color:var(--muted)}
input:focus,select:focus,textarea:focus{outline:none;border-color:var(--brand);box-shadow:var(--ring)}
input:disabled,select:disabled,textarea:disabled{background:var(--panel-2);color:var(--muted);cursor:not-allowed}
input[readonly]{background:var(--panel-2);color:var(--ink-2)}
textarea{min-height:82px;resize:vertical}
input[type=checkbox]{width:16px;height:16px;accent-color:var(--brand);cursor:pointer}
input[type=file]{padding:7px 9px;font-size:13px}
select{appearance:none;background-image:
  linear-gradient(45deg,transparent 50%,var(--muted) 50%),
  linear-gradient(135deg,var(--muted) 50%,transparent 50%);
  background-position:calc(100% - 16px) 51%,calc(100% - 11px) 51%;
  background-size:5px 5px,5px 5px;background-repeat:no-repeat;padding-right:32px}

.check{display:flex;gap:9px;align-items:flex-start;font-size:13.5px;color:var(--ink-2);
  text-transform:none;letter-spacing:0;font-weight:500;margin:0;cursor:pointer}
.check input{margin-top:2px}

/* ── buttons ─────────────────────────────────────────────────────────────── */
button{
  display:inline-flex;align-items:center;justify-content:center;gap:7px;
  cursor:pointer;font:inherit;font-size:13.5px;font-weight:620;letter-spacing:-.005em;
  border-radius:var(--radius-sm);padding:8px 14px;min-height:36px;
  border:1px solid var(--line-2);background:var(--panel);color:var(--ink);
  transition:background var(--ease),border-color var(--ease),box-shadow var(--ease),transform var(--ease);
  box-shadow:var(--shadow-1);
}
button:hover{background:var(--panel-2);border-color:var(--muted)}
button:active{transform:translateY(.5px)}
button:disabled{opacity:.45;cursor:not-allowed;box-shadow:none;transform:none}
button:disabled:hover{background:var(--panel);border-color:var(--line-2)}

button.primary{background:linear-gradient(180deg,var(--brand-2),var(--brand));border-color:transparent;
  color:var(--brand-ink);box-shadow:0 1px 2px rgba(91,91,214,.35),0 4px 14px rgba(91,91,214,.22)}
button.primary:hover{filter:brightness(1.06)}
button.primary .ico{opacity:.92}
button.danger{color:var(--bad);border-color:var(--line-2)}
button.danger:hover{background:var(--bad-soft);border-color:var(--bad)}
button.ghost{border-color:transparent;background:transparent;box-shadow:none;color:var(--muted)}
button.ghost:hover{background:var(--panel-2);color:var(--ink)}
button.small{padding:5px 10px;min-height:29px;font-size:12.5px;gap:5px}
button.icon{padding:0;width:32px;min-height:32px}
button.link{border:0;background:none;box-shadow:none;padding:0;min-height:0;color:var(--brand);font-weight:600}
button.link:hover{background:none;text-decoration:underline}

/* ── tables ──────────────────────────────────────────────────────────────── */
table{width:100%;border-collapse:separate;border-spacing:0;font-size:13.5px}
th,td{text-align:left;padding:10px 12px;border-bottom:1px solid var(--line);vertical-align:middle}
thead th{position:sticky;top:0;z-index:1;background:var(--panel-2);
  font-size:10.5px;letter-spacing:.09em;text-transform:uppercase;color:var(--muted);font-weight:700;
  border-bottom:1px solid var(--line)}
tbody tr{transition:background var(--ease)}
tbody tr:hover{background:var(--panel-2)}
tbody tr:last-child td{border-bottom:0}
tr.off td{opacity:.45}
td.a{white-space:nowrap;text-align:right}
td.a button + button{margin-left:6px}
table.fixed{table-layout:fixed}
table.fixed td,table.fixed th{overflow-wrap:anywhere}
.scroll{overflow:auto;max-height:62vh;border:1px solid var(--line);border-radius:var(--radius)}
.scroll::-webkit-scrollbar{width:10px;height:10px}
.scroll::-webkit-scrollbar-thumb{background:var(--line-2);border-radius:99px;border:3px solid var(--panel)}

/* ── tags, notes, meters ─────────────────────────────────────────────────── */
.tag{display:inline-flex;align-items:center;gap:4px;font-size:10.5px;font-weight:700;letter-spacing:.05em;
  text-transform:uppercase;padding:3px 8px;border-radius:999px;
  background:var(--panel-2);color:var(--muted);border:1px solid var(--line)}
.tag.ok{background:var(--ok-soft);color:var(--ok);border-color:transparent}
.tag.warn{background:var(--warn-soft);color:var(--warn);border-color:transparent}
.tag.bad{background:var(--bad-soft);color:var(--bad);border-color:transparent}
.tag.brand{background:var(--brand-soft);color:var(--brand);border-color:transparent}

.note{display:flex;gap:10px;align-items:flex-start;border-radius:var(--radius);
  padding:11px 14px;font-size:13.5px;margin:0 0 14px;border:1px solid transparent;line-height:1.55}
.note .ico{margin-top:2px}
.note.info{background:var(--brand-soft);color:var(--brand);border-color:var(--brand-line)}
.note.ok{background:var(--ok-soft);color:var(--ok)}
.note.warn{background:var(--warn-soft);color:var(--warn)}
.note.bad{background:var(--bad-soft);color:var(--bad)}
.note a{color:inherit;text-decoration:underline}

.bar{height:7px;border-radius:999px;background:var(--panel-2);overflow:hidden;border:1px solid var(--line)}
.bar > i{display:block;height:100%;border-radius:999px;
  background:linear-gradient(90deg,var(--brand),var(--brand-2));transition:width .35s var(--ease)}

/* ── empty states ────────────────────────────────────────────────────────── */
.empty{text-align:center;padding:40px 24px;color:var(--muted)}
.empty svg{color:var(--line-2);margin-bottom:6px}
.empty h3{margin:6px 0 4px;color:var(--ink);font-size:15px}
.empty p{margin:0 auto 16px;max-width:46ch;font-size:13.5px}

/* ── first-run checklist ─────────────────────────────────────────────────── */
.steps{display:grid;gap:2px}
.step{display:flex;gap:12px;align-items:flex-start;padding:12px 4px;border-bottom:1px solid var(--line)}
.step:last-child{border-bottom:0}
.step .mark{flex:none;width:24px;height:24px;border-radius:999px;display:grid;place-items:center;
  border:1.5px solid var(--line-2);color:var(--faint);font-size:11.5px;font-weight:700}
.step.done .mark{background:var(--ok-soft);border-color:transparent;color:var(--ok)}
.step .body{flex:1;min-width:0}
.step .body b{display:block;font-size:13.5px;margin-bottom:1px}
.step .body span{font-size:12.5px;color:var(--muted)}
.step.done .body b{color:var(--muted);font-weight:560}

/* ── sign in ─────────────────────────────────────────────────────────────── */
.signin{min-height:100vh;display:grid;place-items:center;padding:24px;
  background:
    radial-gradient(900px 480px at 50% -12%, var(--brand-soft), transparent 70%),
    var(--bg)}
.signin .card{width:min(430px,100%);padding:30px 30px 26px;box-shadow:var(--shadow-2);
  border-radius:var(--radius-lg)}
.signin .mark{display:flex;justify-content:center;margin-bottom:16px}
.signin h1{text-align:center;font-size:21px;margin-bottom:6px}
.signin .lede{text-align:center;font-size:13.5px;color:var(--muted);margin-bottom:20px}
.signin .field + .field{margin-top:12px}
.signin button[type=submit]{width:100%;margin-top:18px;min-height:40px;font-size:14px}
.signin .alt{margin-top:16px;padding-top:14px;border-top:1px solid var(--line);
  text-align:center;font-size:13px;color:var(--muted)}

/* ── modal ───────────────────────────────────────────────────────────────── */
.backdrop{position:fixed;inset:0;background:rgba(9,12,22,.5);backdrop-filter:blur(3px);
  display:grid;place-items:center;padding:20px;z-index:60;animation:fade var(--ease)}
@keyframes fade{from{opacity:0}to{opacity:1}}
@keyframes rise{from{opacity:0;transform:translateY(8px) scale(.99)}to{opacity:1;transform:none}}
.modal{background:var(--panel);border:1px solid var(--line);border-radius:var(--radius-lg);
  width:min(880px,100%);max-height:88vh;display:flex;flex-direction:column;
  box-shadow:var(--shadow-3);animation:rise 220ms cubic-bezier(.2,.7,.3,1)}
.modal > header{display:flex;gap:12px;align-items:center;justify-content:space-between;
  padding:15px 18px;border-bottom:1px solid var(--line);position:sticky;top:0;background:var(--panel);
  border-radius:var(--radius-lg) var(--radius-lg) 0 0}
.modal > header h2{margin:0;font-size:16px}
.modal > .body{padding:18px;overflow:auto}
@media (prefers-reduced-motion:reduce){.backdrop,.modal{animation:none}}

/* ── module specifics ────────────────────────────────────────────────────── */
.preview{width:100%;height:70vh;border:1px solid var(--line);border-radius:var(--radius);background:#fff}
video{width:100%;border-radius:var(--radius);background:#000;display:block}
.seg td{padding:7px 8px}
.seg td input,.seg td textarea,.seg td select{padding:6px 8px;font-size:13px}
.seg td.n{width:38px;color:var(--faint);font-weight:700;text-align:center}
.log{font-family:ui-monospace,Menlo,Consolas,monospace;font-size:12px;white-space:pre-wrap;
  line-height:1.6;margin:0}
.rich{min-height:130px;border:1px solid var(--line-2);border-radius:var(--radius-sm);
  padding:11px 13px;background:var(--panel);font-size:14px;line-height:1.65}
.rich:focus{outline:none;border-color:var(--brand);box-shadow:var(--ring)}
.rich p{margin:0 0 9px}