/* ============================================================
   My Quant Journey — style.css
   Trading-terminal aesthetic: dark ink, amber phosphor accent,
   bid-green / ask-red semantics, mono for every number.
   ============================================================ */

:root{
  --bg:#0B0E15;
  --panel:#121724;
  --panel-2:#171E2E;
  --line:#232C42;
  --line-soft:#1B2338;
  --ink:#E8ECF4;
  --ink-dim:#8B94AC;
  --amber:#F2B63C;
  --amber-soft:rgba(242,182,60,.14);
  --green:#2FD48C;
  --green-soft:rgba(47,212,140,.13);
  --red:#FF5C77;
  --red-soft:rgba(255,92,119,.12);
  --blue:#6AA6FF;
  --violet:#B48CFF;
  --shadow:0 14px 40px rgba(0,0,0,.45);
  --r:14px;
  --font-d:"Space Grotesk",system-ui,sans-serif;
  --font-m:"JetBrains Mono",ui-monospace,SFMono-Regular,Menlo,monospace;
}
[data-theme="light"]{
  --bg:#F5F2EA;
  --panel:#FDFBF5;
  --panel-2:#F1EDE1;
  --line:#DCD5C3;
  --line-soft:#E7E1D2;
  --ink:#1B2230;
  --ink-dim:#6A7183;
  --amber:#C8860A;
  --amber-soft:rgba(200,134,10,.13);
  --green:#0F9D63;
  --green-soft:rgba(15,157,99,.12);
  --red:#D63B57;
  --red-soft:rgba(214,59,87,.10);
  --blue:#2563C9;
  --shadow:0 10px 30px rgba(27,34,48,.10);
}

*{box-sizing:border-box}
[hidden]{display:none !important}
html{scroll-behavior:smooth}
body{
  margin:0;
  font-family:var(--font-d);
  background:var(--bg);
  color:var(--ink);
  line-height:1.55;
  -webkit-font-smoothing:antialiased;
}
/* graph-paper texture */
body::before{
  content:"";position:fixed;inset:0;pointer-events:none;z-index:0;
  background-image:
    linear-gradient(var(--line-soft) 1px,transparent 1px),
    linear-gradient(90deg,var(--line-soft) 1px,transparent 1px);
  background-size:44px 44px;
  opacity:.24;
}
[data-theme="light"] body::before{opacity:.5}
.crt-glow{
  position:fixed;top:-220px;left:50%;transform:translateX(-50%);
  width:900px;height:420px;border-radius:50%;
  background:radial-gradient(closest-side,var(--amber-soft),transparent 70%);
  pointer-events:none;z-index:0;
}
::selection{background:var(--amber);color:#0B0E15}
:focus-visible{outline:2px solid var(--amber);outline-offset:2px;border-radius:6px}
::-webkit-scrollbar{width:10px;height:10px}
::-webkit-scrollbar-thumb{background:var(--line);border-radius:6px}
::-webkit-scrollbar-track{background:transparent}

.mono{font-family:var(--font-m);font-variant-numeric:tabular-nums}
kbd{
  font-family:var(--font-m);font-size:.72em;
  border:1px solid var(--line);border-bottom-width:2px;border-radius:5px;
  padding:1px 6px;background:var(--panel-2);color:var(--ink-dim);
}
.ok{color:var(--green)} .ko{color:var(--red)} .mid{color:var(--amber)} .dim{color:var(--ink-dim)}

/* ============ layout ============ */
.app{display:flex;min-height:100vh;position:relative;z-index:1}
.main{flex:1;min-width:0;display:flex;flex-direction:column}
#views{flex:1;width:100%;max-width:1100px;margin:0 auto;padding:40px 40px 56px}
.view-head{margin-bottom:26px}
.view-head h1{font-size:2.1rem;margin:.15em 0 .1em;letter-spacing:-.02em}
.sub{color:var(--ink-dim);margin:0;max-width:60ch}
.eyebrow{
  font-family:var(--font-m);font-size:.68rem;font-weight:600;
  text-transform:uppercase;letter-spacing:.18em;color:var(--amber);
}
.gap-top{margin-top:26px}

/* ============ sidebar ============ */
.sidebar{
  width:240px;flex-shrink:0;position:sticky;top:0;height:100vh;
  display:flex;flex-direction:column;
  background:var(--panel);border-right:1px solid var(--line);
  padding:22px 14px 16px;z-index:40;
}
.brand{display:flex;align-items:center;gap:10px;text-decoration:none;color:var(--ink);padding:0 8px 18px}
.brand-mark{width:30px;height:30px;background:var(--bg);border:1px solid var(--line);border-radius:8px;padding:1px}
.brand-mark .c-green{fill:var(--green)} .brand-mark .c-amber{fill:var(--amber)} .brand-mark .c-red{fill:var(--red)}
.brand-word{font-weight:700;font-size:1.1rem;letter-spacing:-.01em}
.brand-word em{font-style:normal;color:var(--amber)}
.nav{display:flex;flex-direction:column;gap:2px;flex:1;overflow-y:auto}
.nav-label{
  font-family:var(--font-m);font-size:.62rem;letter-spacing:.2em;text-transform:uppercase;
  color:var(--ink-dim);padding:14px 10px 5px;
}
.nav-item{
  display:flex;align-items:center;gap:11px;
  background:none;border:none;border-left:2px solid transparent;
  color:var(--ink-dim);font:inherit;font-size:.92rem;font-weight:500;
  padding:9px 10px;border-radius:0 9px 9px 0;cursor:pointer;text-align:left;
  transition:color .15s,background .15s;
}
.nav-item svg{width:19px;height:19px;fill:none;stroke:currentColor;stroke-width:1.7;stroke-linecap:round;stroke-linejoin:round;flex-shrink:0}
.nav-item:hover{color:var(--ink);background:var(--panel-2)}
.nav-item.active{color:var(--amber);border-left-color:var(--amber);background:var(--amber-soft)}
.side-foot{border-top:1px solid var(--line);padding-top:12px;display:flex;flex-direction:column;gap:10px}
.side-pill{display:flex;align-items:center;gap:8px;font-size:.84rem;color:var(--ink-dim);padding:0 8px}
.side-pill svg{width:16px;height:16px;fill:none;stroke:var(--amber);stroke-width:1.7}
.side-pill b{color:var(--ink)}
.side-level{padding:0 8px}
.side-level-row{display:flex;justify-content:space-between;font-size:.74rem;color:var(--ink-dim);margin-bottom:5px}
.bar{height:6px;background:var(--panel-2);border-radius:4px;overflow:hidden}
.bar i{display:block;height:100%;background:linear-gradient(90deg,var(--amber),#f8d47c);border-radius:4px;transition:width .5s ease}
.bar-lg{height:9px}.bar-sm{height:5px;width:90px}

/* topbar (mobile) */
.topbar{display:none;align-items:center;justify-content:space-between;padding:12px 16px;border-bottom:1px solid var(--line);background:var(--panel);position:sticky;top:0;z-index:30}
.brand-sm{padding:0}
.icon-btn{
  background:var(--panel-2);border:1px solid var(--line);border-radius:9px;
  width:38px;height:38px;display:inline-flex;align-items:center;justify-content:center;
  color:var(--ink-dim);cursor:pointer;
}
.icon-btn svg{width:19px;height:19px;fill:none;stroke:currentColor;stroke-width:1.7;stroke-linecap:round}
.icon-btn:hover{color:var(--ink)}
.scrim{position:fixed;inset:0;background:rgba(0,0,0,.5);z-index:35}

.foot{
  padding:18px 40px;border-top:1px solid var(--line);color:var(--ink-dim);
  font-size:.8rem;display:flex;justify-content:space-between;gap:12px;flex-wrap:wrap;
}
.foot-kbd{display:flex;gap:10px;align-items:center}

/* ============ cards & buttons ============ */
.card{
  background:linear-gradient(180deg,var(--panel),var(--panel-2));
  border:1px solid var(--line);border-radius:var(--r);
  padding:22px;box-shadow:var(--shadow);
}
.btn{
  font:inherit;font-weight:600;font-size:.92rem;
  border-radius:10px;padding:10px 18px;cursor:pointer;
  border:1px solid var(--line);background:var(--panel-2);color:var(--ink);
  transition:transform .12s,box-shadow .12s,background .15s;
  display:inline-flex;align-items:center;gap:8px;justify-content:center;
}
.btn:hover{transform:translateY(-1px)}
.btn:active{transform:translateY(0)}
.btn-primary{
  background:var(--amber);border-color:var(--amber);color:#141005;
  box-shadow:0 4px 18px rgba(242,182,60,.28);
}
.btn-primary:hover{box-shadow:0 6px 24px rgba(242,182,60,.4)}
.btn-ghost{background:transparent;color:var(--ink-dim)}
.btn-ghost:hover{color:var(--ink);background:var(--panel-2)}
.btn-danger{background:var(--red-soft);border-color:var(--red);color:var(--red)}
.btn-sm{padding:7px 12px;font-size:.82rem}
.btn-lg{padding:13px 26px;font-size:1rem}
.btn:disabled{opacity:.45;cursor:not-allowed;transform:none}
.btn svg,.ic{width:17px;height:17px;fill:none;stroke:currentColor;stroke-width:1.7;stroke-linecap:round;stroke-linejoin:round}
.ic-lg{width:26px;height:26px;fill:none;stroke:var(--amber);stroke-width:1.7}

/* ============ home ============ */
.hero{display:grid;grid-template-columns:1.2fr 1fr 1.3fr;gap:14px;margin-bottom:22px}
.hero-card{background:linear-gradient(180deg,var(--panel),var(--panel-2));border:1px solid var(--line);border-radius:var(--r);padding:18px;display:flex;flex-direction:column;gap:8px}
.hero-level{display:flex;align-items:baseline;gap:10px}
.hero-lvl{font-size:1.7rem;font-weight:700;color:var(--amber)}
.hero-title{font-weight:600}
.hero-sub{font-size:.78rem;color:var(--ink-dim)}
.hero-flame{display:flex;align-items:center;gap:10px;font-size:1.7rem;font-weight:700}
.hero-daily.done{border-color:var(--green);background:linear-gradient(180deg,var(--panel),var(--green-soft))}
.hero-daily-done{display:flex;align-items:center;gap:10px;font-weight:600;color:var(--green)}
.hero-daily-done .ic-lg{stroke:var(--green)}
.hero-daily .btn{align-self:flex-start;margin-top:2px}
.hero-focus{font-size:.78rem;color:var(--amber)}
.hero-focus b{font-weight:600}

.stat-strip{display:grid;grid-template-columns:repeat(4,1fr);gap:14px;margin-bottom:26px}
.stat{background:var(--panel);border:1px solid var(--line);border-radius:12px;padding:14px 16px}
.stat-v{font-size:1.45rem;font-weight:700}
.stat-k{font-size:.74rem;color:var(--ink-dim);text-transform:uppercase;letter-spacing:.08em;font-family:var(--font-m)}

.module-grid{display:grid;grid-template-columns:repeat(2,1fr);gap:14px;margin:12px 0 26px}
.module{
  display:flex;align-items:center;gap:15px;text-align:left;
  background:linear-gradient(180deg,var(--panel),var(--panel-2));
  border:1px solid var(--line);border-radius:var(--r);padding:17px 18px;
  color:var(--ink);font:inherit;cursor:pointer;
  transition:transform .15s,border-color .15s,box-shadow .15s;
}
.module:hover{transform:translateY(-2px);border-color:var(--amber);box-shadow:0 8px 26px rgba(242,182,60,.14)}
.module-ic{
  width:44px;height:44px;flex-shrink:0;border-radius:11px;
  background:var(--amber-soft);display:flex;align-items:center;justify-content:center;
}
.module-ic .ic{width:21px;height:21px;stroke:var(--amber)}
.module-tx{flex:1;min-width:0}
.module-name{font-weight:700}
.module-desc{font-size:.83rem;color:var(--ink-dim)}
.module-stat{font-size:.74rem;color:var(--ink-dim);margin-top:4px;font-family:var(--font-m)}
.module-stat b{color:var(--amber)}
.module-arr{color:var(--ink-dim);font-size:1.2rem;transition:transform .15s}
.module:hover .module-arr{transform:translateX(3px);color:var(--amber)}

.home-cols{display:grid;grid-template-columns:1.4fr 1fr;gap:14px}
.sess-chart{display:flex;align-items:flex-end;gap:6px;height:120px;margin-top:14px}
.sess-bar{flex:1;height:100%;display:flex;align-items:flex-end;background:var(--panel-2);border-radius:5px;overflow:hidden}
.sess-bar i{display:block;width:100%;border-radius:5px 5px 0 0;min-height:5px}
.m-mental{background:var(--amber)} .m-quiz{background:var(--blue)} .m-puzzles{background:var(--violet)}
.m-fermi{background:var(--green)} .m-market{background:var(--red)}
.sess-legend{display:flex;gap:14px;margin-top:10px;font-size:.72rem;color:var(--ink-dim);flex-wrap:wrap}
.sess-legend i{display:inline-block;width:9px;height:9px;border-radius:3px;margin-right:5px;vertical-align:-1px}
.empty{color:var(--ink-dim);font-size:.88rem;padding:22px 0}

.badge-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:9px;margin-top:12px}
.badge{
  display:flex;flex-direction:column;align-items:center;gap:6px;text-align:center;
  border:1px solid var(--line);border-radius:11px;padding:12px 6px;
  font-size:.68rem;color:var(--ink-dim);opacity:.45;
}
.badge .ic{width:20px;height:20px;stroke:currentColor}
.badge.got{opacity:1;border-color:var(--amber);background:var(--amber-soft);color:var(--amber)}
.badge.got span{color:var(--ink)}

/* ============ setup screens ============ */
.setup{max-width:760px}
.mode-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:11px;margin:12px 0 6px}
.mode-grid-2{grid-template-columns:repeat(2,1fr)}
.mode{
  display:flex;flex-direction:column;gap:5px;text-align:left;
  background:var(--panel);border:1px solid var(--line);border-radius:12px;
  padding:14px;font:inherit;color:var(--ink);cursor:pointer;transition:border-color .15s,background .15s;
}
.mode span{font-size:.8rem;color:var(--ink-dim);font-weight:400}
.mode:hover{border-color:var(--ink-dim)}
.mode.sel{border-color:var(--amber);background:var(--amber-soft);box-shadow:inset 0 0 0 1px var(--amber)}
.chip-row,.seg-row{display:flex;flex-wrap:wrap;gap:8px;margin-top:10px;align-items:center}
.chip,.seg{
  font:inherit;font-size:.84rem;font-weight:500;cursor:pointer;
  border:1px solid var(--line);border-radius:999px;padding:6px 14px;
  background:var(--panel);color:var(--ink-dim);transition:all .13s;
}
.chip:hover,.seg:hover{color:var(--ink);border-color:var(--ink-dim)}
.chip.on,.seg.on{background:var(--amber-soft);border-color:var(--amber);color:var(--amber);font-weight:600}
.chip-star.on{color:var(--amber)}
.due-chip{color:var(--amber);font-weight:600}
.seg{border-radius:9px}
.note{
  margin-top:16px;font-size:.86rem;color:var(--ink-dim);
  border-left:3px solid var(--amber);padding:8px 14px;background:var(--amber-soft);border-radius:0 9px 9px 0;
}
.setup-actions{display:flex;align-items:center;gap:16px;margin-top:22px;flex-wrap:wrap}
.check{display:flex;align-items:center;gap:9px;margin-top:16px;font-size:.88rem;color:var(--ink-dim);cursor:pointer}
.check input{accent-color:var(--amber);width:16px;height:16px}

/* ============ drill stage ============ */
.stage{
  background:linear-gradient(180deg,var(--panel),var(--panel-2));
  border:1px solid var(--line);border-radius:var(--r);padding:26px;box-shadow:var(--shadow);
  max-width:760px;position:relative;transition:box-shadow .2s;
}
.stage-top{display:flex;align-items:center;gap:14px;color:var(--ink-dim);font-size:.85rem;flex-wrap:wrap}
.tag{
  font-family:var(--font-m);font-size:.66rem;font-weight:600;letter-spacing:.14em;text-transform:uppercase;
  color:var(--amber);background:var(--amber-soft);border:1px solid var(--amber);
  border-radius:6px;padding:3px 9px;
}
.stage-score{margin-left:auto;color:var(--ink)}
.stage-streak{color:var(--amber)}
.tbar{position:relative;height:10px;background:var(--panel-2);border-radius:6px;margin-top:16px;overflow:visible}
.tbar i{display:block;height:100%;border-radius:6px;background:linear-gradient(90deg,var(--amber),#f8d47c);transition:width .1s linear}
.tbar i.low{background:linear-gradient(90deg,var(--red),#ff8ba0)}
.tbar-txt{position:absolute;right:0;top:-24px;font-size:.82rem;color:var(--ink-dim)}
.focus-note{
  margin-top:16px;font-size:.82rem;color:var(--ink-dim);
  border-left:3px solid var(--amber);padding:7px 14px;background:var(--amber-soft);border-radius:0 9px 9px 0;
}
.focus-note b{color:var(--amber);font-weight:600}
.q{
  font-size:clamp(2rem,5vw,3rem);font-weight:700;text-align:center;
  padding:44px 10px 30px;letter-spacing:.01em;
}
.ans-row{display:flex;gap:10px;max-width:430px;margin:0 auto}
.ans{
  flex:1;min-width:0;font-family:var(--font-m);font-size:1.35rem;font-weight:600;text-align:center;
  background:var(--bg);border:1px solid var(--line);border-radius:11px;color:var(--ink);
  padding:11px 14px;transition:border-color .15s,box-shadow .15s;
}
.ans:focus{outline:none;border-color:var(--amber);box-shadow:0 0 0 3px var(--amber-soft)}
.ans.good{border-color:var(--green);box-shadow:0 0 0 3px var(--green-soft)}
.ans.bad{border-color:var(--red);box-shadow:0 0 0 3px var(--red-soft)}
.ans::placeholder{color:var(--ink-dim);opacity:.5}
.last{text-align:center;min-height:1.6em;margin-top:16px;font-size:.95rem;color:var(--ink-dim)}
.stage-foot{display:flex;justify-content:space-between;margin-top:22px}
.flash-good{animation:fgood .45s ease}
.flash-bad{animation:fbad .45s ease}
@keyframes fgood{0%{box-shadow:0 0 0 3px var(--green),var(--shadow)}100%{box-shadow:var(--shadow)}}
@keyframes fbad{0%{box-shadow:0 0 0 3px var(--red),var(--shadow)}30%{transform:translateX(-5px)}60%{transform:translateX(4px)}100%{box-shadow:var(--shadow)}}
.shake{animation:shake .35s ease}
@keyframes shake{25%{transform:translateX(-6px)}50%{transform:translateX(5px)}75%{transform:translateX(-3px)}}

/* ============ end cards ============ */
.endcard{max-width:760px}
.end-big{display:grid;grid-template-columns:repeat(auto-fit,minmax(130px,1fr));gap:14px;margin:18px 0}
.end-n{font-size:2rem;font-weight:800}
.end-n .dim{font-size:1.1rem;font-weight:500}
.end-k{font-size:.72rem;color:var(--ink-dim);text-transform:uppercase;letter-spacing:.1em;font-family:var(--font-m)}
/* ---------- analytics ---------- */
.an-cols{display:grid;grid-template-columns:1fr 1fr;gap:14px;margin-top:14px}
.gap-top-card{margin-top:14px}
.bar i.hi,.sess-bar i.hi{background:linear-gradient(90deg,var(--green),#7ce8b8)}
.bar i.lo,.sess-bar i.lo{background:linear-gradient(90deg,var(--red),#ff8ba0)}
.sess-bar i.mid{background:var(--amber)}
.trend-up{color:var(--green);font-weight:600}
.trend-dn{color:var(--red);font-weight:600}
.trend-flat{color:var(--ink-dim)}
.legend-dot{display:inline-block;width:9px;height:9px;border-radius:3px;margin-right:8px}
.sess-legend .dot-hi,.sess-legend .dot-mid,.sess-legend .dot-lo{display:inline-block;width:9px;height:9px;border-radius:3px;margin-right:5px;vertical-align:-1px}
.dot-hi{background:var(--green)}
.dot-mid{background:var(--amber)}
.dot-lo{background:var(--red)}

.mini-table{width:100%;border-collapse:collapse;margin-top:14px;font-size:.88rem}
.mini-table td,.mini-table th{padding:7px 10px;border-bottom:1px solid var(--line-soft);text-align:left}
.mini-table th{font-family:var(--font-m);font-size:.66rem;letter-spacing:.12em;text-transform:uppercase;color:var(--ink-dim)}
.mini-table tr:last-child td{border-bottom:none}

/* ============ quiz ============ */
.qcard{max-width:820px}
.qcard-top{display:flex;align-items:center;gap:12px;margin-bottom:16px}
.qcard-top .mono{margin-left:auto}
.diff{color:var(--amber);font-size:.72rem;letter-spacing:2px}
.diff-off{color:var(--line);}
.qtext{font-size:1.13rem;line-height:1.65;margin-bottom:22px}
.choices{display:grid;gap:9px}
.choice{
  display:flex;align-items:center;gap:13px;text-align:left;
  font:inherit;font-size:.98rem;color:var(--ink);cursor:pointer;
  background:var(--panel);border:1px solid var(--line);border-radius:11px;padding:12px 15px;
  transition:border-color .13s,background .13s;
}
.choice:hover:not(:disabled){border-color:var(--amber);background:var(--amber-soft)}
.choice:disabled{cursor:default}
.choice.right{border-color:var(--green);background:var(--green-soft)}
.choice.wrongpick{border-color:var(--red);background:var(--red-soft);opacity:.9}
.star{width:34px;height:34px}
.star.on{color:var(--amber);border-color:var(--amber)}
.star.on svg{fill:var(--amber)}
.sol{margin-top:20px;border-radius:12px;padding:16px 18px;border:1px solid var(--line)}
.sol-ok{border-color:var(--green);background:var(--green-soft)}
.sol-ko{border-color:var(--red);background:var(--red-soft)}
.sol-neutral{background:var(--panel)}
.sol-head{font-weight:700;margin-bottom:8px;display:flex;align-items:center;gap:10px;flex-wrap:wrap}
.sol-ok .sol-head{color:var(--green)} .sol-ko .sol-head{color:var(--red)}
.sol-xp{margin-left:auto;color:var(--amber);font-size:.85rem}
.sol-body{font-size:.94rem;color:var(--ink);margin-bottom:14px}
.sol-body b{color:var(--amber)}

/* ============ puzzles ============ */
.pz-meta{display:flex;justify-content:flex-end;color:var(--ink-dim);font-size:.85rem;margin-bottom:12px}
.pz-grid{display:grid;grid-template-columns:repeat(auto-fill,minmax(230px,1fr));gap:13px}
.pz-card{
  display:flex;flex-direction:column;gap:9px;text-align:left;font:inherit;color:var(--ink);cursor:pointer;
  background:linear-gradient(180deg,var(--panel),var(--panel-2));
  border:1px solid var(--line);border-radius:var(--r);padding:16px;
  transition:transform .14s,border-color .14s;
}
.pz-card:hover{transform:translateY(-2px);border-color:var(--amber)}
.pz-top{display:flex;justify-content:space-between;align-items:center}
.pz-title{font-weight:700;font-size:1rem}
.pz-status{font-size:.74rem;font-family:var(--font-m)}
.pz-status.ok{color:var(--green)} .pz-status.new{color:var(--blue)}
.pzd{margin-top:14px;max-width:820px}
.pz-h{margin:.4em 0 .3em;font-size:1.5rem}
.pz-hints{display:flex;flex-direction:column;gap:9px;margin:6px 0}
.hint{
  border-left:3px solid var(--blue);background:rgba(106,166,255,.09);
  border-radius:0 9px 9px 0;padding:9px 14px;font-size:.92rem;
}
.pz-actions{display:flex;gap:10px;align-items:center;margin-top:16px;flex-wrap:wrap}

/* ============ fermi ============ */
.fm-compare{margin:6px 0 12px;color:var(--ink-dim)}
.fm-compare b{color:var(--ink)}

/* ============ market maker ============ */
.mk-layout{display:grid;grid-template-columns:290px 1fr;gap:14px;align-items:start}
.mk-round{font-size:1.15rem;font-weight:700;margin-top:2px}
.mk-tape{
  margin-top:8px;background:var(--bg);border:1px solid var(--line);border-radius:9px;
  padding:11px 13px;font-size:.95rem;letter-spacing:.03em;word-break:break-all;
}
.mk-fair{font-size:1.5rem;font-weight:800;color:var(--blue);margin-top:4px}
.mk-pos{display:flex;flex-direction:column;gap:6px;margin-top:8px}
.mk-pos div{display:flex;justify-content:space-between;font-size:.95rem}
.mk-qrow{display:flex;gap:14px;align-items:flex-end;margin:14px 0 6px;flex-wrap:wrap}
.mk-side{flex:1;min-width:150px}
.mk-lab{display:block;font-family:var(--font-m);font-size:.64rem;letter-spacing:.15em;margin-bottom:7px}
.bidlab{color:var(--green)} .asklab{color:var(--red)}
.mk-at{color:var(--ink-dim);padding-bottom:12px}
.stepper{display:flex;gap:7px}
.stepper .ans{font-size:1.15rem;padding:9px 6px}
.stepper button{
  font:inherit;font-size:1.15rem;width:42px;border-radius:10px;cursor:pointer;
  border:1px solid var(--line);background:var(--panel-2);color:var(--ink);
}
.stepper button:hover{border-color:var(--amber);color:var(--amber)}
.mk-err{min-height:1.4em;color:var(--red);font-size:.82rem;margin:5px 0 9px}
.blotter{display:flex;flex-direction:column;gap:7px;margin-top:10px;max-height:260px;overflow-y:auto}
.b-row{
  font-size:.87rem;padding:8px 12px;border-radius:9px;
  background:var(--panel);border:1px solid var(--line-soft);color:var(--ink-dim);
  animation:brow .3s ease;
}
@keyframes brow{from{opacity:0;transform:translateY(-5px)}to{opacity:1}}
.b-fill{border-color:var(--amber);color:var(--ink);background:var(--amber-soft)}
.b-pass{border-color:var(--blue)}
.b-info{color:var(--blue)}
.mk-table td,.mk-table th{white-space:nowrap}

/* ============ playbook ============ */
.pb{
  background:linear-gradient(180deg,var(--panel),var(--panel-2));
  border:1px solid var(--line);border-radius:var(--r);margin-bottom:12px;overflow:hidden;
}
.pb summary{
  cursor:pointer;list-style:none;padding:16px 20px;font-weight:700;font-size:1.02rem;
  display:flex;align-items:center;transition:color .15s;
}
.pb summary::-webkit-details-marker{display:none}
.pb summary::before{content:"▸";color:var(--amber);margin-right:12px;transition:transform .2s;display:inline-block}
.pb[open] summary::before{transform:rotate(90deg)}
.pb summary:hover{color:var(--amber)}
.pb-body{padding:2px 22px 20px;border-top:1px solid var(--line-soft)}
.pb-list{margin:12px 0 0;padding-left:20px;display:flex;flex-direction:column;gap:9px;font-size:.93rem}
.pb-list b{color:var(--amber)}
.pb-list li::marker{color:var(--amber)}
.pb-table{width:100%;border-collapse:collapse;margin-top:12px;font-size:.9rem}
.pb-table td,.pb-table th{padding:8px 10px;border-bottom:1px solid var(--line-soft);text-align:left}
.pb-table th{font-family:var(--font-m);font-size:.66rem;letter-spacing:.12em;text-transform:uppercase;color:var(--ink-dim)}

/* ============ modal / toast / fx ============ */
.modal-wrap{
  position:fixed;inset:0;z-index:80;background:rgba(4,6,12,.66);backdrop-filter:blur(4px);
  display:flex;align-items:center;justify-content:center;padding:20px;
}
.modal-card{
  background:var(--panel);border:1px solid var(--line);border-radius:16px;
  padding:26px;width:100%;max-width:480px;box-shadow:var(--shadow);position:relative;
  animation:pop .22s ease;
}
@keyframes pop{from{opacity:0;transform:scale(.96) translateY(8px)}to{opacity:1}}
.modal-h{margin:.2em 0 .6em;font-size:1.4rem}
.set-row{display:flex;align-items:center;justify-content:space-between;gap:14px;padding:13px 0;border-bottom:1px solid var(--line-soft)}
.set-row .seg-row{margin:0}
.set-danger{border-bottom:none}
.modal-foot{font-size:.76rem;margin-top:16px}
.modal-close{position:absolute;top:14px;right:14px}

#toast-root{position:fixed;bottom:24px;left:50%;transform:translateX(-50%);z-index:90;display:flex;flex-direction:column-reverse;gap:9px;align-items:center;pointer-events:none}
.toast{
  background:var(--panel);border:1px solid var(--line);border-radius:12px;
  padding:11px 20px;font-size:.92rem;box-shadow:var(--shadow);
  opacity:0;transform:translateY(14px);transition:all .3s ease;text-align:center;max-width:min(440px,90vw);
}
.toast.in{opacity:1;transform:translateY(0)}
.toast.good{border-color:var(--green);color:var(--green)}
.toast.bad{border-color:var(--red);color:var(--red)}
.toast.badge{border-color:var(--amber);color:var(--ink);background:linear-gradient(180deg,var(--panel),var(--amber-soft))}
.toast.badge b{color:var(--amber)}
.toast-sub{font-size:.8rem;color:var(--ink-dim)}
#fx{position:fixed;inset:0;pointer-events:none;z-index:95}

/* ============ account & leaderboard ============ */
.acct-form{display:flex;gap:10px;margin:16px 0 10px}
.acct-form .ans{flex:1;min-width:0;font-size:1rem;padding:12px 14px}
.acct-err{color:var(--red);font-size:.85rem;margin:2px 0 12px}
.lb-tabs{margin:0 0 16px}
.duel-head{margin-top:26px}
.duel-new{display:flex;gap:10px;margin-top:12px;flex-wrap:wrap}
.duel-new .ans{flex:1;min-width:180px;max-width:280px;font-size:.95rem;padding:10px 14px}
.duel-list{display:flex;flex-direction:column;gap:8px;margin-top:12px}
.duel-row{
  display:flex;align-items:center;justify-content:space-between;gap:12px;flex-wrap:wrap;
  border:1px solid var(--line);border-radius:11px;padding:10px 14px;background:var(--panel-2);font-size:.9rem;
}
.duel-res{font-weight:600;text-transform:uppercase;font-size:.8rem;letter-spacing:.06em}
.duel-res.won{color:var(--green)}
.duel-res.lost{color:var(--red)}
.duel-res.tied{color:var(--amber)}
.duel-teaser{margin-top:10px;font-size:.88rem}
.lb-me{display:flex;align-items:center;gap:12px;flex-wrap:wrap;padding-bottom:14px;border-bottom:1px solid var(--line-soft);font-size:.92rem}
.lb-scroll{overflow-x:auto}
.lb-table td,.lb-table th{white-space:nowrap}
tr.lb-you td{background:var(--amber-soft)}
tr.lb-you td:first-child{border-left:2px solid var(--amber)}

/* ============ AI puzzle review ============ */
.pz-answer{display:flex;flex-direction:column;gap:10px;flex:1;min-width:min(100%,280px)}
.pz-answer textarea,.fm-expl{
  width:100%;resize:vertical;min-height:84px;font-family:var(--font-d);font-size:.95rem;line-height:1.5;
  background:var(--bg);border:1px solid var(--line);border-radius:11px;color:var(--ink);
  padding:11px 14px;transition:border-color .15s,box-shadow .15s;
}
.pz-answer textarea:focus,.fm-expl:focus{outline:none;border-color:var(--amber);box-shadow:0 0 0 3px var(--amber-soft)}
.pz-answer textarea::placeholder,.fm-expl::placeholder{color:var(--ink-dim);opacity:.5}
.fm-expl{margin-top:14px;min-height:64px}
.pz-answer-row{display:flex;gap:10px;align-items:center;flex-wrap:wrap}
.pz-kbd-hint{font-size:.78rem;margin-left:auto}
.ai-fb{border:1px solid var(--line);border-radius:11px;padding:12px 14px;margin-top:14px;font-size:.92rem;line-height:1.55}
.ai-fb.ai-good{border-color:var(--green);background:var(--green-soft)} .ai-fb.ai-good b{color:var(--green)}
.ai-fb.ai-warn{border-color:var(--amber);background:var(--amber-soft)} .ai-fb.ai-warn b{color:var(--amber)}
.ai-fb.ai-bad{border-color:var(--red);background:var(--red-soft)} .ai-fb.ai-bad b{color:var(--red)}
.ai-fb.ai-wait,.ai-fb.ai-dim{color:var(--ink-dim);border-style:dashed}
.ai-fb.ai-wait{animation:aiPulse 1.4s ease-in-out infinite}
@keyframes aiPulse{0%,100%{opacity:.55}50%{opacity:1}}
.ai-xp{color:var(--amber);font-size:.85rem;white-space:nowrap}
#fm-ai-out .ai-fb{margin:0 0 14px}

/* ============ interview sim ============ */
.sim-format{display:flex;flex-direction:column;gap:10px;margin-top:12px}
.sim-sec{display:flex;flex-direction:column;gap:2px;border:1px solid var(--line);border-radius:11px;padding:11px 14px;background:var(--panel-2)}
.sim-sec b{font-size:.95rem}
.sim-sec span{font-size:.8rem;color:var(--ink-dim)}
.sim-last-line{margin-top:14px;font-size:.85rem}
.sim-inter{max-width:760px}
.sim-inter p{margin:12px 0 0;color:var(--ink-dim);line-height:1.6}
.sim-qtop{margin-top:18px}
#sim-qz .qtext{margin-top:12px}
.sim-noecho{font-size:.78rem;margin-top:12px}
.sim-report .mini-table{margin-top:16px}
.sim-verdict{margin-top:14px;font-size:1.05rem;font-weight:600;line-height:1.5;border-left:3px solid var(--line);padding:8px 14px;border-radius:0 9px 9px 0}
.sim-verdict.vhi{border-color:var(--green);background:var(--green-soft)}
.sim-verdict.vmid{border-color:var(--amber);background:var(--amber-soft)}
.sim-verdict.vlo{border-color:var(--red);background:var(--red-soft)}
.sim-rate{font-family:var(--font-m);font-size:.72rem;font-weight:600;letter-spacing:.08em;text-transform:uppercase;border-radius:6px;padding:2px 8px;border:1px solid var(--line)}
.sim-rate.r3{color:var(--green);border-color:var(--green);background:var(--green-soft)}
.sim-rate.r2{color:var(--ink);border-color:var(--line)}
.sim-rate.r1{color:var(--amber);border-color:var(--amber);background:var(--amber-soft)}
.sim-rate.r0{color:var(--red);border-color:var(--red);background:var(--red-soft)}
.sim-cols{margin-top:18px}
.sim-miss-sol{font-size:.85rem;color:var(--ink-dim);margin-top:4px}
.sim-share{
  margin:12px 0 0;font-size:.85rem;line-height:1.6;white-space:pre-wrap;
  background:var(--bg);border:1px dashed var(--line);border-radius:11px;padding:12px 14px;overflow-x:auto;
}

/* ============ responsive ============ */
@media (max-width:960px){
  .sidebar{
    position:fixed;left:0;top:0;transform:translateX(-105%);
    transition:transform .25s ease;box-shadow:var(--shadow);
  }
  .sidebar.open{transform:translateX(0)}
  .topbar{display:flex}
  #views{padding:24px 18px 46px}
  .hero,.home-cols,.an-cols{grid-template-columns:1fr}
  .stat-strip{grid-template-columns:repeat(2,1fr)}
  .module-grid,.mode-grid,.mode-grid-2{grid-template-columns:1fr}
  .mk-layout{grid-template-columns:1fr}
  .foot{padding:16px 18px}
  .q{padding:30px 4px 22px}
  .badge-grid{grid-template-columns:repeat(3,1fr)}
}

@media (prefers-reduced-motion:reduce){
  *,*::before,*::after{animation:none!important;transition:none!important}
  html{scroll-behavior:auto}
}