/* ━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━
   foyl Drills - shared chrome for all drill pages.
   Accent: #EC4899 (pink). Layout: app-style, full viewport,
   breadcrumb top nav (same family as the labs' .tnav).
   Everything is token-driven so projector mode works untouched.
   ━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━ */

:root{
  --blue:#00AEEF;
  --cyan:#00D4FF;
  --teal:#00897B;
  --ocean:#005F87;
  --grad:linear-gradient(135deg,#00D4FF 0%,#00AEEF 35%,#00897B 65%,#005F87 100%);
  --bg:#020403;
  --bg2:#080A09;
  --bg3:#0C0E0D;
  --surf:#0F1110;
  --surf2:#151817;
  --surf3:#1C1F1E;
  --border:rgba(100,168,255,.07);
  --border2:rgba(100,168,255,.13);
  --border3:rgba(100,168,255,.22);
  --tx:#EDE9E3;
  --tx2:#A8A29A;
  --tx3:#A19B94;
  --tx4:#9A948D;
  --danger:#C45A50;
  --warn:#C4942A;
  --ok:#00897B;
  --font:'Outfit',sans-serif;
  --mono:'DM Mono',monospace;
  --jakarta:'Plus Jakarta Sans',sans-serif;
  --dr-accent:#EC4899;
  --dr-accent-dim:rgba(236,72,153,.12);
  --dr-accent-border:rgba(236,72,153,.32);
}

body.drill-body{
  background:var(--bg);color:var(--tx);font-family:var(--font);font-weight:300;
  font-size:14px;line-height:1.6;-webkit-font-smoothing:antialiased;
  height:100vh;overflow:hidden;display:flex;flex-direction:column;
}

/* ── top nav (breadcrumb) ─────────────────────────────────── */
.tnav{height:52px;background:var(--bg2);border-bottom:1px solid var(--border);
  display:flex;align-items:center;padding:0 20px;flex-shrink:0;z-index:100}
.tnav-logo{display:flex;align-items:center;text-decoration:none}
.tnav-logo img{height:18px}
.tnav-sep{width:1px;height:16px;background:var(--border2);margin:0 14px}
.tnav-bc{display:flex;align-items:center;gap:6px;font-size:13px;color:var(--tx3)}
.tnav-bc a{color:var(--tx3);text-decoration:none}
.tnav-bc a:hover{color:var(--tx2)}
.tnav-cur{color:var(--tx2)}
.tnav-right{margin-left:auto;display:flex;align-items:center;gap:10px}
.tnav-tag{font-family:var(--mono);font-size:10px;letter-spacing:.18em;text-transform:uppercase;
  color:var(--dr-accent-fg,#F472B6);border:1px solid var(--dr-accent-border);background:var(--dr-accent-dim);
  padding:4px 11px;border-radius:4px}

/* ── HUD strip ────────────────────────────────────────────── */
.drill-hud{height:44px;background:var(--bg2);border-bottom:1px solid var(--border);
  display:flex;align-items:center;gap:22px;padding:0 20px;flex-shrink:0}
.hud-item{display:flex;align-items:baseline;gap:7px}
.hud-lbl{font-family:var(--mono);font-size:10px;letter-spacing:.2em;text-transform:uppercase;color:var(--tx3)}
.hud-val{font-family:var(--mono);font-size:14px;color:var(--tx);font-weight:500}
.hud-val.accent{color:var(--dr-accent-fg,#F472B6)}
.hud-val.streak-hot{color:var(--warn)}
.hud-best{margin-left:auto;font-family:var(--mono);font-size:10px;letter-spacing:.12em;
  text-transform:uppercase;color:var(--tx3);border:1px solid var(--border2);
  padding:4px 11px;border-radius:999px;display:none}
.hud-best.show{display:block}
.hud-best b{color:#4DB6AC;font-weight:500}
.hud-track{position:absolute;left:0;bottom:-1px;height:2px;background:var(--dr-accent);
  transition:width .35s ease;width:0}
.drill-hud{position:relative}

/* ── guided help ladder ───────────────────────────────────── */
.drill-help{flex-shrink:0;display:grid;grid-template-columns:minmax(180px,.7fr) auto minmax(260px,1.3fr);
  align-items:center;gap:14px;min-height:42px;max-height:124px;overflow-y:auto;padding:6px 20px;
  background:var(--bg3);border-bottom:1px solid var(--border);box-shadow:inset 3px 0 var(--dr-accent)}
.drill-help.idle{box-shadow:none;color:var(--tx4)}
.dh-head{min-width:0}.dh-title{font-family:var(--mono);font-size:10px;letter-spacing:.16em;
  text-transform:uppercase;color:var(--tx2);white-space:nowrap;overflow:hidden;text-overflow:ellipsis}
.dh-status{font-family:var(--mono);font-size:10px;letter-spacing:.08em;color:var(--tx4);margin-top:1px}
.dh-actions{display:flex;align-items:center;gap:6px;flex-wrap:wrap}
.dh-btn{appearance:none;border:1px solid var(--border2);background:var(--surf);color:var(--tx2);
  border-radius:5px;padding:5px 9px;font-family:var(--font);font-size:11px;line-height:1.25;
  text-decoration:none;cursor:pointer;white-space:nowrap}
.dh-btn:hover{color:var(--tx);border-color:var(--dr-accent-border);background:var(--dr-accent-dim)}
.dh-btn.locked,.dh-btn:disabled{opacity:.34;cursor:default;pointer-events:none}
.dh-btn:focus-visible{outline:2px solid var(--dr-accent);outline-offset:2px}
.dh-output{min-width:0;font-size:11.5px;line-height:1.45;color:var(--tx2)}
.dh-output:empty::before{content:'Hint is optional. Failed tries unlock the next rung.';color:var(--tx4)}
.dh-output-label{display:block;font-family:var(--mono);font-size:10px;letter-spacing:.16em;
  text-transform:uppercase;color:var(--dr-accent-fg,#F472B6);margin-bottom:2px}
.dh-answer-values code{font-family:var(--mono);font-size:10px;color:var(--tx);background:var(--surf);
  border:1px solid var(--border);border-radius:3px;padding:1px 4px;white-space:normal}
.dh-answer-list{display:grid;grid-template-columns:repeat(auto-fit,minmax(150px,1fr));gap:2px 16px;
  margin:3px 0 0;padding-left:18px}
.dh-answer-list li{padding-left:2px}.dh-answer-map{display:grid;grid-template-columns:auto minmax(120px,1fr);
  gap:1px 9px;margin:3px 0 0}.dh-answer-map dt{font-family:var(--mono);font-size:10px;color:var(--tx3)}
.dh-answer-map dd{margin:0;color:var(--tx)}

/* ── stage ────────────────────────────────────────────────── */
.drill-stage{flex:1;overflow:hidden;display:flex;min-height:0;position:relative}

/* ── shared buttons ───────────────────────────────────────── */
.d-btn{border:1px solid var(--border2);background:var(--surf);color:var(--tx2);
  font-family:var(--font);font-size:13px;font-weight:400;padding:9px 18px;border-radius:7px;
  cursor:pointer;transition:all .14s;display:inline-flex;align-items:center;gap:8px}
.d-btn:hover{background:var(--surf2);color:var(--tx);border-color:var(--border3,var(--border2))}
.d-btn.primary{background:var(--dr-accent-dim);border-color:var(--dr-accent-border);color:var(--dr-accent-fg,#F472B6)}
.d-btn.primary:hover{background:rgba(236,72,153,.2)}
.d-btn.ok{background:rgba(0,137,123,.1);border-color:rgba(0,137,123,.35);color:#4DB6AC}
.d-btn.danger{background:rgba(196,90,80,.1);border-color:rgba(196,90,80,.35);color:var(--danger-fg,#DF796F)}
.d-btn.warn{background:rgba(196,148,42,.1);border-color:rgba(196,148,42,.35);color:var(--warn)}
.d-btn:disabled{opacity:.4;cursor:default;pointer-events:none}
.d-btn:focus-visible{outline:2px solid var(--dr-accent);outline-offset:2px}

/* ── overlays (intro / results) ───────────────────────────── */
.d-overlay{position:fixed;inset:0;z-index:800;background:rgba(2,4,3,.7);backdrop-filter:blur(8px);
  display:flex;align-items:center;justify-content:center;padding:28px;overflow-y:auto}
html[data-theme="projector"] .d-overlay{background:rgba(255,255,255,.78)}
.d-overlay.hide{display:none}
.d-card{background:var(--bg2);border:1px solid var(--border2);border-radius:14px;
  max-width:560px;width:100%;padding:34px 36px;animation:d-card-in .35s ease both;
  max-height:calc(100vh - 56px);overflow-y:auto}
@keyframes d-card-in{from{opacity:0;transform:translateY(14px) scale(.98)}to{opacity:1;transform:none}}
.d-kicker{font-family:var(--mono);font-size:10px;letter-spacing:.24em;text-transform:uppercase;
  color:var(--dr-accent-fg,#F472B6);margin-bottom:10px}
.d-title{font-family:var(--jakarta);font-size:24px;font-weight:700;color:var(--tx);margin-bottom:8px;line-height:1.25}
.d-tagline{font-size:14px;color:var(--tx2);margin-bottom:20px;line-height:1.65}
.d-howto{border-top:1px solid var(--border);padding-top:16px;margin-bottom:22px}
.d-howto-lbl{font-family:var(--mono);font-size:10px;letter-spacing:.22em;text-transform:uppercase;
  color:var(--tx3);margin-bottom:10px}
.d-howto-item{display:flex;gap:10px;font-size:14px;color:var(--tx2);margin-bottom:8px;line-height:1.55}
.d-howto-item .n{font-family:var(--mono);font-size:11px;color:var(--dr-accent-fg,#F472B6);flex-shrink:0;padding-top:2px}
.d-actions{display:flex;gap:10px;align-items:center;flex-wrap:wrap}
.d-best-note{font-family:var(--mono);font-size:10.5px;color:var(--tx3);letter-spacing:.06em}
.d-best-note b{color:#4DB6AC;font-weight:500}

/* results */
.d-score-row{display:flex;align-items:center;gap:24px;margin-bottom:22px}
.d-score-ring{width:110px;height:110px;flex-shrink:0;position:relative}
.d-score-ring svg{transform:rotate(-90deg)}
.d-score-num{position:absolute;inset:0;display:flex;flex-direction:column;align-items:center;justify-content:center}
.d-score-num .v{font-family:var(--jakarta);font-size:26px;font-weight:700;color:var(--tx)}
.d-score-num .u{font-family:var(--mono);font-size:10px;letter-spacing:.2em;color:var(--tx3);text-transform:uppercase}
.d-tally{flex:1;display:grid;grid-template-columns:1fr 1fr;gap:10px}
.d-tally-item{background:var(--surf);border:1px solid var(--border);border-radius:8px;padding:9px 12px}
.d-tally-val{font-family:var(--mono);font-size:16px;color:var(--tx);font-weight:500}
.d-tally-lbl{font-family:var(--mono);font-size:10px;letter-spacing:.18em;text-transform:uppercase;color:var(--tx3);margin-top:2px}
.d-review{border-top:1px solid var(--border);padding-top:14px;margin-bottom:20px;max-height:230px;overflow-y:auto}
.d-review-item{display:flex;gap:10px;padding:7px 0;font-size:14px;line-height:1.5;border-bottom:1px solid var(--border)}
.d-review-item:last-child{border-bottom:none}
.d-review-mark{font-family:var(--mono);font-size:12px;flex-shrink:0;width:16px;text-align:center}
.d-review-item.ok .d-review-mark{color:#4DB6AC}
.d-review-item.bad .d-review-mark{color:var(--danger-fg,#DF796F)}
.d-review-title{color:var(--tx2);font-weight:400}
.d-review-note{color:var(--tx3);font-size:12px}
.d-grade{font-family:var(--mono);font-size:10px;letter-spacing:.16em;text-transform:uppercase;
  padding:4px 12px;border-radius:999px;display:inline-block;margin-bottom:14px}
.d-grade.gold{color:var(--warn);border:1px solid rgba(196,148,42,.4);background:rgba(196,148,42,.08)}
.d-grade.teal{color:#4DB6AC;border:1px solid rgba(0,137,123,.4);background:rgba(0,137,123,.08)}
.d-grade.plain{color:var(--tx3);border:1px solid var(--border2)}
.d-score-adjust{border:1px solid var(--dr-accent-border);background:var(--dr-accent-dim);color:var(--tx2);
  border-radius:7px;padding:8px 10px;margin:-5px 0 14px;font-family:var(--mono);font-size:10px;line-height:1.5}

/* ── shared feedback flash ────────────────────────────────── */
@keyframes d-shake{0%,100%{transform:translateX(0)}20%,60%{transform:translateX(-6px)}40%,80%{transform:translateX(6px)}}
.d-shake{animation:d-shake .4s ease}
@keyframes d-pop{0%{transform:scale(1)}40%{transform:scale(1.04)}100%{transform:scale(1)}}
.d-pop{animation:d-pop .3s ease}

/* ── scrollbars ───────────────────────────────────────────── */
::-webkit-scrollbar{width:6px;height:6px}
::-webkit-scrollbar-track{background:transparent}
::-webkit-scrollbar-thumb{background:var(--surf3);border-radius:3px}

@media (prefers-reduced-motion:reduce){
  .d-card,.d-shake,.d-pop{animation:none !important}
  .hud-track{transition:none}
}

html[data-theme="projector"] .drill-help{box-shadow:inset 3px 0 var(--dr-accent)}
html[data-theme="projector"] .drill-help.idle{box-shadow:none}
html[data-theme="projector"] .drill-help *,html[data-theme="projector"] .dh-btn{animation:none !important;transition:none !important;box-shadow:none}

@media(max-width:900px){
  .drill-help{grid-template-columns:minmax(160px,.65fr) minmax(0,1.35fr);max-height:132px}
  .dh-output{grid-column:1/-1;border-top:1px solid var(--border);padding-top:5px}
}
@media(max-width:620px){
  .tnav{padding:0 12px}.drill-hud{gap:10px;padding:0 12px;overflow-x:auto}
  .hud-best{display:none !important}.drill-help{display:flex;align-items:flex-start;flex-wrap:wrap;
    gap:5px 10px;padding:6px 12px;max-height:142px}.dh-head{flex:1 1 140px}.dh-actions{flex:1 1 260px}
  .dh-output{flex:1 0 100%;width:100%}
}
@media (prefers-reduced-motion:reduce){
  .drill-help,.dh-btn{transition:none !important}
}