:root{--bg: #0b1020;--bg-soft: #121a30;--panel: #161f38;--panel-2: #1c294a;--border: #27345a;--text: #e8edf7;--text-dim: #97a3c0;--text-faint: #6b7796;--accent: #f5a623;--accent-text: #ffce7a;--accent-deep: #c97e12;--success: #2fbf71;--success-soft: #16361f;--danger: #ef5350;--danger-soft: #3a1718;--shadow: 0 18px 50px rgba(0, 0, 0, .45);--radius: 16px;--radius-sm: 10px;--maxw: 760px;--font: "Inter", -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, Helvetica, Arial, sans-serif;--mono: "SF Mono", "JetBrains Mono", ui-monospace, "Cascadia Code", Menlo, Consolas, monospace}*{box-sizing:border-box}html,body,#root{margin:0;min-height:100%}body{background:radial-gradient(1200px 600px at 50% -10%,#182447 0%,transparent 60%),var(--bg);color:var(--text);font-family:var(--font);-webkit-font-smoothing:antialiased;line-height:1.55}.app{max-width:var(--maxw);margin:0 auto;padding:28px 20px 80px}.topbar{display:flex;align-items:center;justify-content:space-between;gap:16px;margin-bottom:22px}.brand{display:flex;align-items:center;gap:12px}.brand .logo{width:38px;height:38px;flex:none;border-radius:10px;background:linear-gradient(140deg,var(--accent),var(--accent-deep));display:grid;place-items:center;font-size:20px;box-shadow:0 6px 18px #f5a62359}.brand h1{font-size:18px;margin:0;letter-spacing:.2px}.brand .sub{font-size:12px;color:var(--text-faint);margin:0}.stat-pills{display:flex;gap:8px;flex-wrap:wrap}.pill{font-size:12px;padding:5px 10px;border-radius:999px;border:1px solid var(--border);background:var(--panel);color:var(--text-dim);white-space:nowrap}.pill b{color:var(--text)}.pill.win b{color:var(--success)}.pill.loss b{color:var(--danger)}.pill.best b{color:var(--accent-text)}.progress{margin:6px 0 22px}.progress .track{height:8px;border-radius:999px;background:var(--bg-soft);border:1px solid var(--border);overflow:hidden}.progress .fill{height:100%;background:linear-gradient(90deg,var(--accent-deep),var(--accent));transition:width .4s ease}.progress .phase{display:flex;justify-content:space-between;font-size:12px;color:var(--text-faint);margin-top:6px}.progress .phase .cur{color:var(--accent-text);font-weight:600}.panel{background:linear-gradient(180deg,var(--panel),var(--bg-soft));border:1px solid var(--border);border-radius:var(--radius);box-shadow:var(--shadow);padding:28px}.panel.intro{text-align:center}.panel h2{font-size:24px;margin:0 0 14px;line-height:1.25}.panel h2:focus{outline:none}.intro-note{color:var(--text-faint);font-size:12.5px;margin:18px 0 0}.panel .body{color:var(--text-dim);font-size:16px;margin:0 0 22px}.choices{display:flex;flex-direction:column;gap:12px}.choice{text-align:left;width:100%;background:var(--panel-2);border:1px solid var(--border);border-radius:var(--radius-sm);padding:16px 18px;color:var(--text);cursor:pointer;transition:transform .08s ease,border-color .15s ease,background .15s ease;display:flex;gap:14px;align-items:flex-start;font-family:inherit}.choice:hover{border-color:var(--accent);background:#213160;transform:translateY(-1px)}.choice:focus-visible{outline:2px solid var(--accent);outline-offset:2px}.choice .marker{font-family:var(--mono);font-size:13px;color:var(--accent-text);background:#f5a6231f;border:1px solid rgba(245,166,35,.25);border-radius:7px;width:26px;height:26px;flex:none;display:grid;place-items:center;margin-top:1px}.choice .ctext .label{display:block;font-weight:600;font-size:15.5px}.choice .ctext .detail{display:block;color:var(--text-faint);font-size:13px;margin-top:3px}.kbd-hint{color:var(--text-faint);font-size:12.5px;margin:16px 0 0}.kbd-hint kbd{font-family:var(--mono);font-size:11px;color:var(--text-dim);background:var(--bg-soft);border:1px solid var(--border);border-bottom-width:2px;border-radius:5px;padding:1px 6px}@media(hover:none)and (pointer:coarse){.kbd-hint{display:none}}.banner{display:inline-flex;align-items:center;gap:8px;font-size:13px;font-weight:700;letter-spacing:.5px;text-transform:uppercase;padding:6px 12px;border-radius:999px;margin-bottom:16px}.banner.fail{color:#ffb3b1;background:var(--danger-soft);border:1px solid #5a2422}.banner.win{color:#9ff0c0;background:var(--success-soft);border:1px solid #1f5233}.postmortem{margin-top:20px;border-top:1px dashed var(--border);padding-top:18px}.postmortem .kicker{font-size:12px;text-transform:uppercase;letter-spacing:.6px;color:var(--text-faint);margin:0 0 8px}.fatal-card{background:var(--danger-soft);border:1px solid #5a2422;border-radius:var(--radius-sm);padding:14px 16px;margin-bottom:16px}.fatal-card .where{font-size:12px;color:#ffb3b1;text-transform:uppercase;letter-spacing:.5px;margin:0 0 4px}.fatal-card .what{font-weight:600;margin:0}.lesson{background:#f5a62314;border-left:3px solid var(--accent);border-radius:6px;padding:12px 14px;margin:16px 0 0}.lesson .kicker{color:var(--accent-text)}.lesson p{margin:4px 0 0;color:var(--text)}.outcome-line{font-family:var(--mono);font-size:15px;color:var(--accent-text);margin:6px 0 0}.trail{margin-top:20px;border-top:1px dashed var(--border);padding-top:16px}.trail .kicker{font-size:12px;text-transform:uppercase;letter-spacing:.6px;color:var(--text-faint);margin:0 0 10px}.trail ol{margin:0;padding:0 0 0 22px;display:flex;flex-direction:column;gap:7px}.trail li{font-size:13.5px;color:var(--text-faint)}.trail li::marker{font-family:var(--mono);font-size:12px}.trail .t-node{color:var(--text-dim);font-weight:600}.trail .t-choice{display:block;color:var(--text-faint)}.trail li.fatal .t-node,.trail li.fatal .t-choice{color:#ffb3b1}.actions{display:flex;gap:12px;margin-top:24px;flex-wrap:wrap}.btn{font-family:inherit;font-size:15px;font-weight:600;padding:12px 22px;border-radius:var(--radius-sm);cursor:pointer;border:1px solid transparent;transition:transform .08s ease,filter .15s ease}.btn:hover{transform:translateY(-1px)}.btn:focus-visible{outline:2px solid var(--accent);outline-offset:2px}.btn.primary{background:linear-gradient(140deg,var(--accent),var(--accent-deep));color:#2a1a02}.btn.primary:hover{filter:brightness(1.06)}.btn.ghost{background:transparent;border-color:var(--border);color:var(--text-dim)}.btn.ghost:hover{border-color:var(--text-dim);color:var(--text)}.btn.danger{background:var(--danger-soft);border-color:#5a2422;color:#ffb3b1}.btn.danger:hover{filter:brightness(1.15)}.btn.small{font-size:13px;padding:8px 16px}.history{margin-top:28px}.history h3{font-size:14px;text-transform:uppercase;letter-spacing:.6px;color:var(--text-faint);margin:0 0 12px}.history .empty{color:var(--text-faint);font-size:14px}.attempt{display:flex;align-items:center;gap:12px;padding:10px 14px;border:1px solid var(--border);border-radius:var(--radius-sm);background:var(--panel);margin-bottom:8px}.attempt .num{font-family:var(--mono);font-size:12px;color:var(--text-faint);width:34px;flex:none}.attempt .dot{width:9px;height:9px;border-radius:50%;flex:none}.attempt .dot.win{background:var(--success)}.attempt .dot.loss{background:var(--danger)}.attempt .summary{flex:1;font-size:13.5px;color:var(--text-dim);min-width:0}.attempt .summary b{color:var(--text)}.attempt .meta{display:flex;flex-direction:column;align-items:flex-end;gap:1px;flex:none}.attempt .steps{font-family:var(--mono);font-size:12px;color:var(--text-faint)}.attempt .when{font-size:11px;color:var(--text-faint)}footer.credit{text-align:center;color:var(--text-faint);font-size:12px;margin-top:40px}footer.credit p{margin:0 0 12px}footer.credit a{color:var(--text-dim)}@media(max-width:560px){.panel{padding:20px}.topbar{flex-direction:column;align-items:flex-start}.panel h2{font-size:21px}.attempt{flex-wrap:wrap}.attempt .summary{flex-basis:100%;order:3}.attempt .meta{flex-direction:row;gap:8px;margin-left:auto}}@media(prefers-reduced-motion:reduce){*{transition:none!important;animation:none!important}}