:root{
  --bg:#0f1720; --panel:#f7f9fc; --ink:#16202b; --muted:#5b6b7a; --line:#e2e8f0;
  --brand:#0d6e6e; --brand2:#0a5757; --accent:#2563eb; --warn:#b45309;
  --ok:#0f8a5f; --coach:#0d6e6e; --blind:#475569; --danger:#b91c1c;
  --shadow:0 1px 3px rgba(16,32,43,.08),0 8px 24px rgba(16,32,43,.06);
}
*{box-sizing:border-box}
body{margin:0;font:16px/1.55 -apple-system,BlinkMacSystemFont,"Segoe UI",Roboto,Helvetica,Arial,sans-serif;
  color:var(--ink);background:#eef2f7}
.topbar{display:flex;justify-content:space-between;align-items:center;padding:12px 22px;
  background:var(--bg);color:#dfe7ee}
.brand{font-weight:700;letter-spacing:.2px}
.brand .sub{font-weight:400;color:#8aa0b3;font-size:.8em;margin-left:6px}
.who{display:flex;align-items:center;gap:14px;font-size:.92em}
.role{padding:3px 10px;border-radius:999px;background:#1e2c3a;color:#cfe3e3}
.role-junior{color:#bfe3ff}.role-senior{color:#ffe0b8}.role-attending,.role-reviewer{color:#d8c9ff}
.role.test{outline:1px dashed #7a8a99}
.logout{color:#9fb3c4;text-decoration:none}.logout:hover{color:#fff}
.progress{height:6px;background:#dbe3ec;position:relative}
.progress .bar{height:100%;background:linear-gradient(90deg,var(--brand),var(--accent));transition:width .3s}
.progtxt{position:absolute;right:10px;top:8px;font-size:.72em;color:var(--muted)}
.content{max-width:820px;margin:34px auto;padding:0 18px}
.card{background:#fff;border:1px solid var(--line);border-radius:14px;padding:30px 32px;box-shadow:var(--shadow)}
h1{font-size:1.6rem;margin:.1em 0 .5em}
h2{font-size:1.15rem}
.muted{color:var(--muted)}.small{font-size:.85em}
.body{font-size:1.05rem;color:#28394a}
.foot{max-width:820px;margin:26px auto 40px;padding:0 18px;color:#94a3b4;font-size:.8em;text-align:center}

/* buttons */
.btn{display:inline-block;padding:11px 20px;border-radius:10px;border:1px solid var(--line);
  background:#fff;color:var(--ink);font-weight:600;text-decoration:none;cursor:pointer;font-size:1rem}
.btn:hover{border-color:#c7d2de}
.btn.primary{background:var(--brand);border-color:var(--brand);color:#fff}
.btn.primary:hover{background:var(--brand2)}
.btn.big{padding:15px 30px;font-size:1.1rem}
.btn:disabled{opacity:.45;cursor:not-allowed}

/* tags */
.tag{display:inline-block;font-size:.72rem;font-weight:700;letter-spacing:.5px;text-transform:uppercase;
  padding:4px 10px;border-radius:6px;background:#eef4f4;color:var(--brand);margin-bottom:14px}
.tag.context{background:#eef4f4;color:var(--brand);margin-right:8px}
.tag.checkpoint{background:#fff5e6;color:var(--warn)}
.tag.form{background:#eef2ff;color:var(--accent)}
.tag.run.coach{background:#e5f4f2;color:var(--coach)}
.tag.run.blind{background:#eef1f5;color:var(--blind)}

/* login */
.login h1{margin-top:0}
.rolelist{display:grid;gap:16px;margin:18px 0}
.rolegroup .grouphead{font-size:.78rem;font-weight:700;text-transform:uppercase;letter-spacing:.4px;color:var(--muted);margin-bottom:6px}
.roleopt{display:flex;align-items:center;gap:10px;padding:9px 12px;border:1px solid var(--line);border-radius:9px;margin-bottom:6px;cursor:pointer}
.roleopt:hover{border-color:var(--brand)}
.roleopt input{accent-color:var(--brand)}
.rolename{font-weight:500}
.pinrow{display:flex;align-items:center;gap:12px;margin-top:8px}
.pinrow label{font-weight:600}
.pinrow input{padding:11px 14px;border:1px solid var(--line);border-radius:9px;width:120px;font-size:1.1rem;letter-spacing:3px}
.err{background:#fdeaea;color:var(--danger);padding:10px 14px;border-radius:8px;margin-bottom:12px}

/* forms */
.instr{color:#3a4a5b;background:#f6f9fb;border-left:3px solid var(--brand);padding:12px 16px;border-radius:0 8px 8px 0;margin:6px 0 20px}
fieldset.q{border:1px solid var(--line);border-radius:11px;padding:16px 18px;margin:0 0 16px}
fieldset.q legend{font-weight:600;padding:0 8px;font-size:1.02rem}
.opts{display:grid;gap:8px;margin-top:8px}
.opt{display:flex;align-items:flex-start;gap:12px;padding:9px 12px;border:1px solid #edf1f5;border-radius:9px;cursor:pointer}
.opt:hover{background:#f7fafc;border-color:#d4dee8}
.opt input{margin-top:3px;accent-color:var(--brand)}
.opt .v{font-weight:700;min-width:26px;color:var(--brand)}
.opt .l{color:#2a3a4a}.opt .l em{display:block;font-style:normal;color:var(--muted);font-size:.86em}
.opt.na .v{color:var(--muted)}

/* run */
.run .live .livepulse{display:inline-block;color:#fff;background:var(--danger);padding:4px 12px;border-radius:999px;font-weight:700;font-size:.8rem;animation:pulse 1.4s infinite}
@keyframes pulse{0%,100%{opacity:1}50%{opacity:.5}}
.run .live .saved{display:inline-block;color:#fff;background:var(--ok);padding:4px 12px;border-radius:999px;font-weight:700;font-size:.8rem}
.run .instr ul{margin:8px 0 0 18px}
.run form{display:inline-block;margin-right:10px}
.ok{color:var(--ok);font-weight:600}
.btn.danger-outline{border-color:#e6b3b3;color:var(--danger);background:#fff}
.btn.danger-outline:hover{background:#fdeaea}

/* study window timer */
.timer{text-align:center;margin:22px 0}
.clock{font-size:3rem;font-weight:700;font-variant-numeric:tabular-nums;color:var(--ink)}
.clock.done{color:var(--ok)}

/* done */
.done{text-align:center}
.checkmark{width:66px;height:66px;line-height:66px;margin:0 auto 12px;border-radius:50%;background:var(--ok);color:#fff;font-size:2rem}

/* reviewer */
.locked{text-align:center;background:#f8fafc;border:1px dashed #cbd5e1;border-radius:12px;padding:26px;margin:18px 0}
.lockicon{font-size:2rem}
.tasklist{display:grid;gap:10px;margin-top:16px}
.taskrow{display:grid;grid-template-columns:1fr auto auto;align-items:center;gap:16px;padding:14px 16px;border:1px solid var(--line);border-radius:11px}
.taskrow.waiting{opacity:.6}
.taskrow.done{background:#f5fbf8}
.tid{font-weight:700}.tdesc{color:#33475b}.tmeta{color:var(--muted);font-size:.85em}
.pill{padding:4px 11px;border-radius:999px;font-size:.78rem;font-weight:700}
.pill.ok{background:#e6f6ee;color:var(--ok)}.pill.go{background:#e8f0ff;color:var(--accent)}.pill.wait{background:#f1f5f9;color:var(--muted)}
.review .back{color:var(--muted);text-decoration:none;font-size:.9em}
.player video{border-radius:10px;background:#000;margin:8px 0}
.subform{border-top:1px solid var(--line);padding-top:16px;margin-top:16px}

/* admin pages (monitor / enrollment / reviewer phase / power readout) */
table.admin{width:100%;border-collapse:collapse;margin-top:12px;font-size:.92rem}
table.admin th,table.admin td{text-align:left;padding:8px 10px;border-bottom:1px solid var(--line)}
table.admin th{color:var(--muted);font-size:.78rem;text-transform:uppercase;letter-spacing:.4px}
tr.testrow{opacity:.6}
.flash{margin:12px 0;padding:10px 14px;border-radius:8px;font-size:.92rem}
.flash.ok{background:rgba(60,180,110,.12);border:1px solid rgba(60,180,110,.45)}
.flash.err{background:rgba(220,80,80,.12);border:1px solid rgba(220,80,80,.45)}
.enrollrow{display:flex;gap:18px;flex-wrap:wrap;align-items:center;margin:10px 0}
.inlineform{display:flex;gap:8px;align-items:center}
.inlineform input,.inlineform select{padding:6px 8px;border:1px solid var(--line);border-radius:6px;background:transparent;color:inherit}
.btn.small{padding:6px 12px;font-size:.85rem}
.adminnav{display:flex;gap:8px;flex-wrap:wrap;margin:8px 0 16px}

/* data-replay player */
.replay{margin:10px 0 6px}
.replay iframe{width:100%;height:560px;border:1px solid var(--line);border-radius:10px;background:#0f1720}
.replay .transport{display:flex;align-items:center;gap:12px;margin:10px 0 4px}
.replay .transport input[type=range]{flex:1;accent-color:var(--brand)}
.replay .transport .clock{font-variant-numeric:tabular-nums;color:var(--muted);font-size:.9em;min-width:96px;text-align:right}
.replay audio{display:none}

/* v2 login role buttons */
.rolebtns{display:grid;gap:10px;margin:6px 0 4px}
.rolebtn{display:flex;justify-content:space-between;align-items:baseline;width:100%;text-align:left}
.rolebtn:hover{border-color:var(--brand);background:#f2f8f8}
.rolebtn .rolesub{color:var(--muted);font-weight:400;font-size:.85em}

/* admin monitor live-counts strip */
.statgrid{display:grid;grid-template-columns:repeat(auto-fit,minmax(150px,1fr));gap:10px;margin:14px 0 6px}
.stat{border:1px solid var(--line);border-radius:10px;padding:10px 14px;background:#fafcfe}
.stat .n{font-size:1.5rem;font-weight:700;color:var(--ink)}
.stat .lbl{font-size:.76rem;color:var(--muted);text-transform:uppercase;letter-spacing:.4px}
.stat .sub{font-size:.8rem;color:var(--muted)}

/* v2 login (access-code mint + code resume) */
/* The sign-in/registration page needs more room than the default 820px card:
   two side-by-side panes (log in | register) with the register form's many
   fields were cramped. Widen the container on the login page only, and give the
   register pane the larger share. */
.content:has(.card.login){max-width:1120px}
/* Reviewer evaluation: the coach-dashboard replay wants near-full width so it
   renders at (close to) its native web size, not a cramped 820px column. */
.content:has(.card.review){max-width:min(1560px,97vw)}
.logingrid{display:grid;grid-template-columns:0.9fr 1.1fr;gap:30px;margin-top:14px}
@media (max-width:820px){.logingrid{grid-template-columns:1fr}}
.loginpane{padding:22px 24px;border:1px solid var(--line);border-radius:12px}
.loginpane h2{margin-top:0;font-size:1.05rem}
.loginpane .pinrow input{width:auto;flex:1;letter-spacing:2px}