:root{--bg: #F5F7FA;--card: #FFFFFF;--ink: #22283A;--ink-soft: #5B6770;--line: #D8DEE6;--navy: #1B2A4A;--navy-dark: #10203C;--steel: #2E74B5;--steel-dark: #205081;--crimson: #B23A48;--crimson-dark: #8A2C38;--gold: #C9A227;--gold-dark: #9C7E1E;--green: #2F7D4F;--green-soft: #E3F1E8;--amber-soft: #FBF1D9;--red-soft: #F8E3E5;--gray: #8A97A3;--radius: 12px}*{box-sizing:border-box;margin:0;padding:0}html,body{height:100%}body{font-family:Segoe UI,system-ui,-apple-system,sans-serif;background:var(--bg);background-image:radial-gradient(ellipse at top,#EAF0F7 0%,var(--bg) 62%);color:var(--ink);font-size:16px;line-height:1.5}.app{max-width:1000px;margin:0 auto;padding:16px 14px 40px}h1{color:var(--navy);font-size:1.6rem;line-height:1.2}h2{color:var(--navy);font-size:1.2rem;margin-bottom:8px}h3{color:var(--navy);font-size:1.05rem;margin:14px 0 6px}p{margin:6px 0}.card{background:var(--card);border:1px solid var(--line);border-radius:var(--radius);padding:20px;margin:14px 0;box-shadow:0 1px 4px #1b2a4a1a}.btn{font-family:inherit;font-size:1rem;font-weight:600;background:var(--navy);color:#fff;border:none;border-radius:10px;padding:12px 20px;cursor:pointer;margin:4px 6px 4px 0;min-height:44px}.btn:hover,.btn:focus-visible{background:var(--navy-dark)}.btn:focus-visible{outline:3px solid var(--gold);outline-offset:2px}.btn:disabled{opacity:.5;cursor:not-allowed}.btn.big{font-size:1.15rem;padding:14px 26px;width:100%}.btn.secondary{background:#fff;color:var(--steel);border:2px solid var(--steel)}.btn.secondary:hover{background:#eaf3fb}.btn.ghost{background:transparent;color:var(--steel);text-decoration:underline}.btn.danger{background:var(--crimson)}.btn.danger:hover{background:var(--crimson-dark)}.btn.small{font-size:.85rem;padding:7px 12px;min-height:34px}.btn-col{display:flex;flex-direction:column;gap:6px;margin-top:14px}.btn-row{display:flex;flex-wrap:wrap;gap:6px;align-items:center}.btn-row.right{justify-content:flex-end}input[type=text],input[type=password],input:not([type]){font-family:inherit;font-size:1.1rem;padding:12px;width:100%;border:1.5px solid var(--line);border-radius:10px;margin:4px 0 14px;background:#fff}input:focus{outline:3px solid var(--gold);border-color:var(--steel)}label{font-weight:600;color:var(--ink-soft);font-size:.92rem}.err{color:var(--crimson);font-weight:600;min-height:1.3em;margin:6px 0}.muted{color:var(--ink-soft);font-size:.92rem}.note{background:#eaf3fb;border:1px solid #BBD6EC;border-radius:10px;padding:12px 14px;font-size:.95rem;margin:12px 0}.app-footer{text-align:center;color:var(--ink-soft);font-size:.8rem;margin-top:26px}.title-screen,.how-screen,.join-screen,.wait-card,.result-screen{max-width:640px;margin:20px auto}.title-screen{background:linear-gradient(160deg,var(--navy) 0%,var(--navy-dark) 100%);border-color:var(--navy-dark);color:#fff}.title-screen .game-title{color:#fff}.title-screen .tagline{color:var(--gold)}.title-screen .title-blurb{color:#dce4f0}.title-screen .title-blurb b{color:#fff}.game-title{font-size:2.1rem;letter-spacing:.01em;margin-top:12px;color:var(--navy)}.tagline{font-size:1.12rem;color:var(--steel);font-weight:700}.title-blurb{margin:10px 0 6px}.hero-art,.mission-art,.epilogue-art{width:100%;aspect-ratio:16/9;object-fit:cover;border-radius:10px;border:1px solid rgba(255,255,255,.25);margin-bottom:10px}.art{display:block}.art-missing{width:100%;aspect-ratio:16/9;border-radius:10px;background:radial-gradient(circle at 25% 35%,rgba(46,116,181,.3),transparent 55%),radial-gradient(circle at 78% 68%,rgba(201,162,39,.25),transparent 55%),linear-gradient(160deg,#223559,#10203c);border:1px solid var(--line);margin-bottom:10px}.how-list{margin:8px 0 8px 22px}.how-list li{margin:5px 0}.wait-card{text-align:center}.pulse-dot{width:18px;height:18px;border-radius:50%;background:var(--navy);margin:8px auto 14px;animation:pulse 1.4s ease-in-out infinite}@keyframes pulse{0%,to{transform:scale(.8);opacity:.5}50%{transform:scale(1.15);opacity:1}}.mission-match{max-width:640px;margin:0 auto}.mission-header{display:flex;flex-wrap:wrap;gap:8px;align-items:center;margin-bottom:8px}.mission-chip{background:#edf1f6;border:1px solid var(--line);padding:5px 12px;border-radius:999px;font-weight:700;color:var(--navy);font-size:.9rem}.progress-chip{background:#eaf3fb;border:1px solid var(--steel);color:var(--navy);padding:5px 12px;border-radius:999px;font-weight:700;font-size:.9rem}.mission-stage{background:var(--card);border:1px solid var(--line);border-radius:var(--radius);padding:20px;min-height:320px;display:flex;align-items:center;justify-content:center}.suspicion-meter{display:flex;align-items:center;gap:8px;margin-left:auto;background:#edf1f6;border:1px solid var(--line);border-radius:999px;padding:5px 12px 5px 10px;font-size:.85rem;min-width:180px}.suspicion-icon{font-size:1.05rem}.suspicion-name{font-weight:700;color:var(--ink-soft);white-space:nowrap}.suspicion-track{flex:1;height:10px;background:#e7ecf2;border-radius:999px;overflow:hidden;border:1px solid var(--line);min-width:50px}.suspicion-fill{display:block;height:100%;background:var(--steel);border-radius:999px;transition:width .4s ease}.suspicion-meter.warm .suspicion-fill{background:var(--gold-dark)}.suspicion-meter.danger .suspicion-fill{background:var(--crimson)}.suspicion-meter.danger{border-color:var(--crimson)}.suspicion-value{font-weight:800;min-width:1.6em;text-align:right}.suspicion-delta{font-weight:800;font-size:.8rem}.suspicion-delta.up{color:var(--crimson)}.suspicion-delta.down{color:var(--green)}.suspicion-note{font-weight:700;font-size:.9rem;margin-top:10px}.suspicion-note.up{color:var(--crimson)}.suspicion-note.down{color:var(--green)}.close-call-overlay{position:fixed;top:0;right:0;bottom:0;left:0;z-index:60;background:radial-gradient(ellipse at center,#10203ce0,#10203cf7);display:flex;align-items:center;justify-content:center;padding:16px;animation:dimIn .3s ease}@keyframes dimIn{0%{opacity:0}to{opacity:1}}.close-call-card{text-align:center;color:#fff;max-width:420px}.close-call-icon{font-size:2.6rem;animation:lanternSway 1.2s ease-in-out infinite}@keyframes lanternSway{0%,to{transform:rotate(-8deg)}50%{transform:rotate(8deg)}}.close-call-card h2{color:var(--gold);margin:10px 0 6px}.close-call-card p{color:#dce4f0}.briefing-card{text-align:center;padding:10px 4px;max-width:480px}.event-kicker{font-size:.85rem;font-weight:800;text-transform:uppercase;letter-spacing:.06em;color:var(--steel)}.briefing-card h2{font-size:1.5rem;margin:4px 0 12px}.briefing-text{font-size:1.02rem;margin-bottom:10px}.cipher-vocab{font-size:1rem;background:#eaf3fb;border:1px solid #BBD6EC;border-radius:10px;padding:12px 16px;margin:6px 0 18px}.question-panel{width:100%;max-width:480px;text-align:center}.category-chip{display:inline-block;margin:10px 0 4px;font-weight:800;font-size:.82rem;text-transform:uppercase;letter-spacing:.04em;color:var(--steel);background:#eaf3fb;border:1px solid #BBD6EC;border-radius:999px;padding:4px 12px}.question-prompt{font-size:1.15rem;font-weight:700;color:var(--navy);margin:8px 0 16px;line-height:1.4}.choice-grid{display:flex;flex-direction:column;gap:8px}.choice-btn{display:flex;align-items:center;gap:12px;text-align:left;font-family:inherit;font-size:1rem;padding:12px 14px;border:2px solid var(--line);border-radius:10px;background:#fff;cursor:pointer;min-height:52px}.choice-btn:hover:not(:disabled){border-color:var(--steel);background:#f7f9fb}.choice-btn:focus-visible{outline:3px solid var(--gold);outline-offset:2px}.choice-btn:disabled{cursor:not-allowed;opacity:.7}.choice-letter{flex:none;width:30px;height:30px;border-radius:50%;background:var(--navy);color:#fff;font-weight:800;display:flex;align-items:center;justify-content:center;font-size:.9rem}.choice-text{font-weight:600;color:var(--ink)}.question-hint{margin-top:10px;text-align:center}.cipher-stage{width:100%;max-width:480px;text-align:center}.cipher-label{font-weight:700;color:var(--ink-soft);font-size:.85rem;text-transform:uppercase;letter-spacing:.04em;margin-bottom:8px}.cipher-text-panel{min-height:2.4em;margin:10px 0}.cipher-hint{font-style:italic}.cipher-plain{font-size:1.05rem;font-weight:700;color:var(--navy);animation:inkFadeIn .9s ease}@keyframes inkFadeIn{0%{opacity:0;filter:blur(3px)}to{opacity:1;filter:blur(0)}}.charge-track{display:flex;gap:6px;justify-content:center;margin-top:6px}.charge-pip{width:20px;height:8px;border-radius:999px;background:#e7ecf2;border:1px solid var(--line)}.charge-pip.lit{background:var(--gold);border-color:var(--gold-dark)}.caesar-wheel{width:140px;height:140px;margin:0 auto}.wheel-ring{fill:none;stroke:var(--line);stroke-width:2}.wheel-outer{stroke:var(--steel)}.wheel-inner{stroke:var(--gold);transition:transform .6s ease;transform-origin:100px 100px}.wheel-letter{font-size:11px;fill:var(--ink-soft);text-anchor:middle;dominant-baseline:middle;font-weight:700}.wheel-hub{fill:var(--navy)}.cipher-caesar.decoded .wheel-inner{stroke:var(--green)}.codebook-grid{display:flex;gap:10px;justify-content:center;margin:6px 0}.codebook-chip{position:relative;width:76px;height:44px;perspective:400px}.chip-face{position:absolute;top:0;right:0;bottom:0;left:0;display:flex;align-items:center;justify-content:center;border-radius:8px;font-weight:800;font-size:.85rem;backface-visibility:hidden;transition:transform .6s ease;border:2px solid var(--line)}.chip-number{background:#edf1f6;color:var(--ink-soft)}.chip-name{background:var(--green-soft);color:var(--green);transform:rotateY(180deg)}.codebook-chip.flipped .chip-number{transform:rotateY(180deg)}.codebook-chip.flipped .chip-name{transform:rotateY(0)}.ink-page{width:220px;height:100px;margin:0 auto;border-radius:8px;background:#fdfdfb;border:1px solid var(--line);position:relative;overflow:hidden}.ink-stain{position:absolute;top:0;right:0;bottom:0;left:0;background:radial-gradient(circle at 50% 50%,rgba(46,116,181,.35) 0%,rgba(46,116,181,.12) var(--reveal, 0%),transparent calc(var(--reveal, 0%) + 8%));transition:background .6s ease}.cipher-invisible.decoded .ink-stain{background:#2e74b51a}.book-code-row{display:flex;flex-wrap:wrap;gap:6px;justify-content:center;margin:6px 0;max-width:420px;margin-inline:auto}.book-word-chip{font-size:.85rem;font-weight:700;padding:4px 10px;border-radius:6px;background:#edf1f6;color:var(--ink-soft);border:1px solid var(--line);transition:all .4s ease}.book-word-chip.assembled{background:var(--green-soft);color:var(--green);border-color:var(--green)}.feedback-panel{text-align:center;padding:20px 14px;border-radius:12px;max-width:480px}.feedback-panel.right{background:var(--green-soft)}.feedback-panel.wrong{background:var(--red-soft)}.verdict-tag{display:inline-flex;align-items:center;gap:8px;font-weight:800;font-size:1.1rem;padding:8px 16px;border-radius:999px;margin-bottom:10px;border:2px solid transparent;background:#fff}.verdict-tag.right{color:var(--green);border-color:var(--green)}.verdict-tag.wrong{color:var(--crimson);border-color:var(--crimson)}.verdict-tag.flash{animation:verdictFlash .5s ease-out}@keyframes verdictFlash{0%{transform:scale(.9)}40%{transform:scale(1.06)}to{transform:scale(1)}}.feedback-compare{font-size:.95rem;margin:8px 0;line-height:1.5}.why-text{font-size:1.05rem;color:var(--ink)}.waiting-panel{text-align:center;padding:30px 10px}.mission-complete-card{text-align:center;max-width:480px;width:100%}.story-beat{font-size:1.05rem;font-weight:600;color:var(--navy);margin:14px 0;line-height:1.5}.spy-file-card{text-align:left;background:#eaf3fb;border:1px solid #BBD6EC;border-radius:10px;padding:14px 16px;margin:10px 0 18px}.spy-file-kicker{font-weight:800;color:var(--steel-dark);margin-bottom:4px}.result-headline{font-size:1.8rem;margin:4px 0 10px}.result-headline.tier-master{color:var(--gold-dark)}.result-headline.tier-courier{color:var(--steel)}.result-headline.tier-recruit{color:var(--ink-soft)}.commendation-block{text-align:center;margin:10px 0 16px}.commendation-icon{font-size:3.4rem;line-height:1}.commendation-label{font-weight:800;color:var(--navy);margin-top:4px}.fall-note{font-size:1.02rem;color:var(--ink-soft);border-left:4px solid var(--gold);padding:4px 0 4px 12px;margin:10px 0}.accuracy-block{display:flex;gap:16px;align-items:center;background:var(--card);border:2px solid var(--steel);border-radius:12px;padding:14px 18px;margin:14px 0}.accuracy-number{font-size:2.6rem;font-weight:900;color:var(--navy)}.category-bars{margin:16px 0;display:flex;flex-direction:column;gap:8px}.category-bar-row{display:grid;grid-template-columns:1fr 2fr auto;gap:10px;align-items:center}.category-bar-label{font-size:.9rem;font-weight:700;color:var(--ink-soft)}.category-bar-track{height:12px;background:#e7ecf2;border-radius:999px;overflow:hidden;border:1px solid var(--line)}.category-bar-fill{display:block;height:100%;background:var(--steel);border-radius:999px;transition:width .5s ease}.category-bar-num{font-weight:800;font-size:.9rem;text-align:right;white-space:nowrap}.epilogue-card{background:linear-gradient(160deg,var(--navy) 0%,var(--navy-dark) 100%);color:#fff;border-radius:12px;padding:18px;margin:18px 0}.epilogue-card .event-kicker{color:var(--gold)}.epilogue-card p{color:#dce4f0;line-height:1.6}.miss-review{margin-top:18px}.miss-list{list-style:none;display:flex;flex-direction:column;gap:10px;margin-top:10px}.miss-item{border-left:6px solid var(--crimson);background:var(--red-soft);border-radius:8px;padding:10px 14px}.miss-text{font-weight:700;color:var(--navy)}.miss-answer{display:flex;flex-wrap:wrap;gap:10px;margin:6px 0 4px;align-items:baseline}.miss-category-tag{font-weight:800;font-size:.85rem;padding:2px 10px;border-radius:999px;background:#fff;border:1px solid var(--line)}.miss-why{color:var(--ink-soft);font-size:.92rem}.teacher-app .row{display:flex;flex-wrap:wrap;gap:10px;align-items:center;justify-content:space-between}.gate-grid{display:grid;grid-template-columns:1fr 1fr;gap:14px}.code-card{gap:16px}.code-display{font-family:Consolas,monospace;font-size:2.6rem;font-weight:800;letter-spacing:.14em;color:var(--navy);background:#eaf3fb;border:2px dashed var(--steel);border-radius:var(--radius);padding:10px 22px;display:inline-block;margin-top:4px}.switch{display:flex;align-items:center;gap:8px;font-weight:600;color:var(--ink-soft);cursor:pointer}.switch input{width:20px;height:20px;accent-color:var(--navy)}.approval-row{border-bottom:1px solid var(--line);padding:8px 0}.table-wrap{overflow-x:auto}table{width:100%;border-collapse:collapse;margin-top:8px}th,td{text-align:left;padding:9px 10px;border-bottom:1px solid var(--line);font-size:.95rem}th{color:var(--ink-soft);font-size:.8rem;text-transform:uppercase;letter-spacing:.05em}td.num{font-weight:800}.row-actions{white-space:nowrap}.badge{display:inline-block;font-size:.76rem;font-weight:700;padding:3px 10px;border-radius:12px;color:#fff;white-space:nowrap;margin-left:4px}.badge.not_started{background:var(--gray)}.badge.in_progress{background:var(--gold-dark)}.badge.completed{background:var(--green)}.badge.pending{background:var(--crimson)}.conn-dot{display:inline-block;width:9px;height:9px;border-radius:50%}.conn-dot.on{background:var(--green)}.conn-dot.off{background:var(--gray)}.class-summary{display:flex;justify-content:center;margin-bottom:10px}.class-summary.single .summary-stat{min-width:220px}.summary-stat{border:1px solid var(--line);border-left:8px solid var(--navy);border-radius:10px;padding:14px 22px;background:#fff;text-align:center}.big-number{font-size:2rem;font-weight:900;color:var(--ink)}.overlay{position:fixed;top:0;right:0;bottom:0;left:0;background:#10203c99;display:flex;align-items:center;justify-content:center;padding:16px;z-index:50}.dialog{max-width:440px}@media (prefers-reduced-motion: reduce){.pulse-dot,.close-call-icon,.verdict-tag.flash,.cipher-plain,.close-call-overlay{animation:none}.wheel-inner,.chip-face,.ink-stain,.book-word-chip,.suspicion-fill,.category-bar-fill{transition:none}}@media (max-width: 760px){.gate-grid{grid-template-columns:1fr}.game-title{font-size:1.8rem}.code-display{font-size:1.7rem}.accuracy-number{font-size:2rem}.suspicion-meter{min-width:0}}@media (max-width: 420px){.app{padding:10px 8px 30px}.card{padding:14px}.mission-header{gap:6px}.suspicion-meter{width:100%;margin-left:0}.choice-btn{padding:10px 12px}.question-prompt{font-size:1.02rem}.caesar-wheel{width:110px;height:110px}.ink-page{width:100%}.category-bar-row{grid-template-columns:1fr 1.4fr auto;gap:6px}.category-bar-label{font-size:.8rem}}