:root{--bg-deep: #040d06;--bg-primary: #0a1a0e;--bg-card: rgba(10, 31, 13, .85);--bg-input: rgba(6, 20, 9, .9);--green-dark: #03390f;--green-mid: #0d5a1c;--green-accent: #a4c95b;--green-bright: #c8f55a;--green-glow: rgba(164, 201, 91, .3);--green-glow-strong: rgba(164, 201, 91, .6);--text-primary: #e8f5e9;--text-secondary: #81c784;--text-muted: #4a7c50;--error: #ff6b6b;--error-glow: rgba(255, 107, 107, .3);--success: #a4c95b;--font-ui: "Inter", system-ui, -apple-system, sans-serif;--font-mono: "JetBrains Mono", "Fira Code", monospace}*,*:before,*:after{margin:0;padding:0;box-sizing:border-box}html{font-size:16px;-webkit-text-size-adjust:100%}body{font-family:var(--font-ui);background:var(--bg-deep);color:var(--text-primary);min-height:100vh;min-height:100dvh;overflow-x:hidden;-webkit-font-smoothing:antialiased;-moz-osx-font-smoothing:grayscale}#root{min-height:100vh;min-height:100dvh;display:flex;flex-direction:column}.bg-grid{position:fixed;top:0;right:0;bottom:0;left:0;background-image:radial-gradient(circle,var(--green-accent) 1px,transparent 1px);background-size:40px 40px;opacity:.04;animation:grid-drift 30s linear infinite;pointer-events:none;z-index:0}@keyframes grid-drift{0%{transform:translate(0)}to{transform:translate(40px,40px)}}.bg-scanlines{position:fixed;top:0;right:0;bottom:0;left:0;background:repeating-linear-gradient(0deg,transparent,transparent 2px,rgba(0,0,0,.03) 2px,rgba(0,0,0,.03) 4px);pointer-events:none;z-index:1}.app-container{position:relative;z-index:2;flex:1;display:flex;flex-direction:column}.progress-bar{position:fixed;top:0;left:0;right:0;height:4px;background:#ffffff0d;z-index:100}.progress-bar-fill{height:100%;background:linear-gradient(90deg,var(--green-accent),var(--green-bright));transition:width .6s cubic-bezier(.4,0,.2,1);box-shadow:0 0 12px var(--green-glow)}.timer-group{position:absolute;right:12px;top:10px;display:flex;gap:6px}.timer{font-family:var(--font-mono);font-size:.75rem;font-weight:500;color:var(--text-muted);background:var(--bg-card);padding:4px 10px;border-radius:6px;border:1px solid rgba(164,201,91,.1);letter-spacing:.08em}.reset-btn{font-family:var(--font-mono);font-size:.7rem;font-weight:500;color:var(--text-muted);background:var(--bg-card);padding:4px 10px;border-radius:6px;border:1px solid rgba(255,255,255,.08);cursor:pointer;transition:all .15s}.reset-btn:hover{color:var(--error);border-color:var(--error)}.stage{flex:1;display:flex;flex-direction:column;align-items:center;justify-content:center;padding:44px 20px 24px;min-height:100vh;min-height:100dvh;animation:stage-enter .5s cubic-bezier(.4,0,.2,1)}@keyframes stage-enter{0%{opacity:0;transform:translateY(20px)}to{opacity:1;transform:translateY(0)}}.card{background:var(--bg-card);backdrop-filter:blur(20px);-webkit-backdrop-filter:blur(20px);border:1px solid rgba(164,201,91,.1);border-radius:16px;padding:32px 28px;max-width:520px;width:100%;box-shadow:0 8px 32px #0006}.stage-label{font-family:var(--font-mono);font-size:.75rem;font-weight:500;color:var(--green-accent);text-transform:uppercase;letter-spacing:.15em;margin-bottom:8px}.stage-title{font-size:1.75rem;font-weight:800;color:var(--text-primary);margin-bottom:12px;line-height:1.2}.stage-description{font-size:.95rem;color:var(--text-secondary);line-height:1.6;margin-bottom:24px}.input-group{display:flex;gap:8px;margin-top:16px}.input{flex:1;font-family:var(--font-mono);font-size:.95rem;padding:12px 16px;background:var(--bg-input);border:1px solid rgba(164,201,91,.15);border-radius:10px;color:var(--text-primary);outline:none;transition:border-color .2s,box-shadow .2s}.input:focus{border-color:var(--green-accent);box-shadow:0 0 0 3px var(--green-glow)}.input::placeholder{color:var(--text-muted)}.input.error{border-color:var(--error);box-shadow:0 0 0 3px var(--error-glow);animation:shake .4s ease-in-out}@keyframes shake{0%,to{transform:translate(0)}25%{transform:translate(-6px)}75%{transform:translate(6px)}}.btn{font-family:var(--font-ui);font-size:.95rem;font-weight:600;padding:12px 24px;border:none;border-radius:10px;cursor:pointer;transition:all .2s cubic-bezier(.4,0,.2,1);white-space:nowrap}.btn-primary{background:linear-gradient(135deg,var(--green-accent),var(--green-mid));color:#fff;box-shadow:0 4px 16px var(--green-glow)}.btn-primary:hover{transform:translateY(-1px);box-shadow:0 6px 24px var(--green-glow-strong)}.btn-primary:active{transform:translateY(0)}.btn-ghost{background:transparent;color:var(--green-accent);border:1px solid rgba(164,201,91,.2)}.btn-ghost:hover{background:#a4c95b14;border-color:var(--green-accent)}.hint{font-size:.8rem;color:var(--text-muted);margin-top:12px;font-style:italic}.hint-reveal{cursor:pointer;-webkit-user-select:none;user-select:none;padding:10px 0}.hint-reveal:hover{color:var(--text-secondary)}.success-flash{animation:flash-green .6s ease-out}@keyframes flash-green{0%{box-shadow:0 0 0 0 var(--green-glow-strong)}50%{box-shadow:0 0 40px 10px var(--green-glow-strong)}to{box-shadow:0 8px 32px #0006}}.otp-group{display:flex;align-items:center;justify-content:center;gap:4px;margin-top:20px}.otp-bracket{font-family:var(--font-mono);font-size:1.5rem;font-weight:700;color:var(--text-muted);line-height:1;padding:0 2px}.otp-cell{display:flex;align-items:center;gap:4px}.otp-box{width:48px;height:56px;text-align:center;font-family:var(--font-mono);font-size:1.25rem;font-weight:700;color:var(--text-primary);background:var(--bg-input);border:2px solid rgba(164,201,91,.15);border-radius:10px;outline:none;transition:border-color .2s,box-shadow .2s,transform .2s;caret-color:var(--green-accent)}.otp-box:focus{border-color:var(--green-accent);box-shadow:0 0 0 3px var(--green-glow);transform:translateY(-2px)}.otp-box.error{border-color:var(--error);box-shadow:0 0 0 3px var(--error-glow);animation:shake .4s ease-in-out}.otp-box.success{border-color:var(--success);box-shadow:0 0 12px var(--green-glow-strong)}.otp-comma{font-family:var(--font-mono);font-size:1rem;color:var(--text-muted);margin-right:2px}@media (max-width: 480px){.otp-box{width:40px;height:48px;font-size:1.1rem;border-radius:8px}.otp-bracket{font-size:1.2rem}.otp-group{gap:2px}.otp-comma{margin-right:0}}.code-display{font-family:var(--font-mono);font-size:.82rem;line-height:1.7;padding:20px;background:#0006;border-radius:10px;border:1px solid rgba(164,201,91,.08);margin-bottom:20px;color:var(--green-accent);overflow-x:auto;white-space:pre;-webkit-overflow-scrolling:touch}.stage-question{font-family:var(--font-mono);font-size:.95rem;font-weight:600;color:var(--text-primary);margin-bottom:8px}.terminal-window{background:#0c0c0c;border-radius:12px;overflow:hidden;border:1px solid rgba(164,201,91,.1);box-shadow:0 8px 32px #0009;max-width:600px;width:100%;margin-bottom:20px}.terminal-titlebar{display:flex;align-items:center;gap:8px;padding:12px 16px;background:#ffffff0d;border-bottom:1px solid rgba(255,255,255,.05)}.terminal-dot{width:12px;height:12px;border-radius:50%}.terminal-dot.red{background:#ff5f57}.terminal-dot.yellow{background:#febc2e}.terminal-dot.green{background:#28c840}.terminal-title{flex:1;text-align:center;font-family:var(--font-mono);font-size:.75rem;color:#fff6}.terminal-body{padding:16px;min-height:300px;max-height:50vh;max-height:50dvh;overflow-y:auto;font-family:var(--font-mono);font-size:.85rem;line-height:1.6;scrollbar-width:thin;scrollbar-color:var(--green-mid) transparent}.terminal-body::-webkit-scrollbar{width:6px}.terminal-body::-webkit-scrollbar-track{background:transparent}.terminal-body::-webkit-scrollbar-thumb{background:var(--green-mid);border-radius:3px}.terminal-line{white-space:pre-wrap;word-break:break-all}.terminal-line.output{color:var(--text-secondary)}.terminal-line.input{color:var(--text-primary)}.terminal-line.error{color:var(--error)}.terminal-line.success{color:var(--green-bright)}.terminal-input-line{display:flex;align-items:center;gap:6px}.terminal-prompt{color:var(--green-accent);white-space:pre;flex-shrink:0}.terminal-input{flex:1;background:none;border:none;outline:none;color:var(--text-primary);font-family:var(--font-mono);font-size:.85rem;caret-color:var(--green-accent);min-width:0}.terminal-toolbar{display:none;gap:6px;padding:8px 12px;background:#ffffff08;border-top:1px solid rgba(255,255,255,.05);overflow-x:auto;-webkit-overflow-scrolling:touch;scrollbar-width:none}.terminal-toolbar::-webkit-scrollbar{display:none}.terminal-toolbar-btn{font-family:var(--font-mono);font-size:.75rem;color:var(--text-secondary);background:#a4c95b14;border:1px solid rgba(164,201,91,.15);border-radius:6px;padding:6px 12px;cursor:pointer;white-space:nowrap;flex-shrink:0;transition:all .15s}.terminal-toolbar-btn:active{background:#a4c95b33;border-color:var(--green-accent);color:var(--green-accent)}.stage-terminal{justify-content:flex-start;padding-top:48px}.landing{text-align:center}.landing-brand{font-family:var(--font-mono);font-size:.85rem;font-weight:700;color:var(--green-accent);letter-spacing:.2em;text-transform:uppercase;margin-bottom:32px;display:flex;align-items:center;justify-content:center;gap:12px}.landing-brand:before,.landing-brand:after{content:"";width:40px;height:1px;background:linear-gradient(90deg,transparent,var(--green-accent))}.landing-brand:after{background:linear-gradient(90deg,var(--green-accent),transparent)}.landing-hero{font-size:clamp(2rem,6vw,3.5rem);font-weight:900;line-height:1.1;margin-bottom:20px;background:linear-gradient(135deg,var(--text-primary) 0%,var(--green-accent) 100%);-webkit-background-clip:text;-webkit-text-fill-color:transparent;background-clip:text}.landing-sub{font-size:1.1rem;color:var(--text-secondary);max-width:400px;margin:0 auto 40px;line-height:1.6}.landing-rules{display:flex;flex-direction:column;gap:12px;margin-bottom:40px;text-align:left;max-width:360px;margin-left:auto;margin-right:auto}.landing-rule{display:flex;align-items:flex-start;gap:12px;font-size:.9rem;color:var(--text-secondary)}.landing-rule-num{font-family:var(--font-mono);font-weight:700;font-size:.75rem;color:var(--green-accent);background:#a4c95b1a;width:28px;height:28px;border-radius:8px;display:flex;align-items:center;justify-content:center;flex-shrink:0}.landing-form{display:flex;flex-direction:column;gap:10px;margin-bottom:20px;max-width:320px;margin-left:auto;margin-right:auto}.data-notice{font-size:.7rem;line-height:1.5;color:var(--text-muted);text-align:center;margin:16px 0 0}.data-notice a{color:var(--text-secondary)}.landing-btn{font-size:1.1rem;padding:16px 40px;border-radius:12px;animation:pulse-glow 2s ease-in-out infinite}@keyframes pulse-glow{0%,to{box-shadow:0 4px 16px var(--green-glow)}50%{box-shadow:0 4px 32px var(--green-glow-strong)}}.victory-stage{text-align:center}.victory-emoji{font-size:3rem;margin-bottom:16px;animation:bounce-in .6s cubic-bezier(.68,-.55,.27,1.55)}@keyframes bounce-in{0%{transform:scale(0);opacity:0}to{transform:scale(1);opacity:1}}.victory-title{font-size:2rem;font-weight:900;margin-bottom:8px;background:linear-gradient(135deg,var(--green-accent),var(--green-bright));-webkit-background-clip:text;-webkit-text-fill-color:transparent;background-clip:text}.victory-sub{color:var(--text-secondary);margin-bottom:32px}.reward-code-box{background:#0006;border:2px solid var(--green-accent);border-radius:12px;padding:20px 24px;margin-bottom:24px;animation:glow-border 2s ease-in-out infinite}@keyframes glow-border{0%,to{box-shadow:0 0 10px var(--green-glow),inset 0 0 10px #a4c95b0d}50%{box-shadow:0 0 25px var(--green-glow-strong),inset 0 0 20px #a4c95b1a}}.reward-code-label{font-family:var(--font-mono);font-size:.75rem;color:var(--text-muted);text-transform:uppercase;letter-spacing:.15em;margin-bottom:8px}.reward-code{font-family:var(--font-mono);font-size:1.5rem;font-weight:700;color:var(--green-bright);letter-spacing:.1em}.victory-message{font-size:.9rem;color:var(--text-secondary);margin-bottom:24px;line-height:1.6}.victory-time{font-family:var(--font-mono);font-size:.8rem;color:var(--text-muted);margin-bottom:32px}.confetti-container{position:fixed;top:0;right:0;bottom:0;left:0;pointer-events:none;z-index:50;overflow:hidden}.confetti{position:absolute;width:8px;height:8px;border-radius:2px;top:-10px;animation:confetti-fall linear forwards}@keyframes confetti-fall{0%{transform:translateY(0) rotate(0);opacity:1}to{transform:translateY(100vh) rotate(720deg);opacity:0}}@media (max-width: 480px){.stage{justify-content:flex-start;padding-top:48px}.card{padding:24px 20px;border-radius:12px}.stage-title{font-size:1.4rem}.stage-description{font-size:.9rem;margin-bottom:16px}.terminal-body{font-size:.78rem;min-height:180px;max-height:35vh;max-height:35dvh}.input-group{flex-direction:column}.input,.terminal-input{font-size:1rem}.terminal-toolbar{display:flex}.btn{width:100%;text-align:center}.reward-code{font-size:1.2rem}.timer-group{right:8px;top:8px;gap:4px}.timer{font-size:.7rem;padding:3px 7px}.code-display{font-size:.75rem;padding:14px;margin-bottom:12px}.terminal-window{margin-bottom:12px}.landing-sub{font-size:1rem;margin-bottom:28px}.landing-brand{margin-bottom:24px}.landing-rules{margin-bottom:28px;gap:10px}.landing-rule{font-size:.85rem}}@media (max-width: 360px){.otp-box{width:34px;height:42px;font-size:1rem;border-radius:6px;border-width:1.5px}.otp-bracket{font-size:1rem;padding:0}.otp-group{gap:1px}.otp-cell{gap:2px}.otp-comma{font-size:.8rem}.code-display{font-size:.7rem;padding:12px}.card{padding:20px 16px}}@media (max-height: 500px){.stage{justify-content:flex-start;padding-top:44px}.terminal-body{min-height:120px;max-height:25vh;max-height:25dvh}.landing-rules,.landing-sub{margin-bottom:20px}.landing-brand{margin-bottom:12px}}.typing-cursor{display:inline-block;width:2px;height:1.1em;background:var(--green-accent);margin-left:2px;vertical-align:text-bottom;animation:cursor-blink 1s step-end infinite}@keyframes cursor-blink{0%,to{opacity:1}50%{opacity:0}}.clue-visual{display:flex;gap:16px;margin-bottom:24px;flex-wrap:wrap}.clue-block{flex:1;min-width:120px;padding:16px;background:#0000004d;border-radius:10px;border:1px solid rgba(164,201,91,.08);text-align:center}.clue-block-icon{font-size:1.5rem;margin-bottom:8px}.clue-block-label{font-family:var(--font-mono);font-size:.75rem;color:var(--text-muted);text-transform:uppercase;letter-spacing:.1em}.clue-block-sub{font-size:.75rem;color:var(--text-muted);opacity:.6;margin-top:4px}.clue-found{border-color:var(--green-accent);background:#a4c95b0d}.clue-found .clue-block-label{color:var(--green-accent)}.leaderboard{max-width:520px;width:100%;margin-top:24px;background:var(--bg-card);backdrop-filter:blur(20px);-webkit-backdrop-filter:blur(20px);border:1px solid rgba(164,201,91,.1);border-radius:16px;padding:20px 24px;box-shadow:0 8px 32px #0006}.leaderboard-header{display:flex;align-items:center;justify-content:space-between;margin-bottom:16px}.leaderboard-title{font-family:var(--font-mono);font-size:.8rem;font-weight:600;color:var(--green-accent);text-transform:uppercase;letter-spacing:.1em}.leaderboard-clear{font-family:var(--font-mono);font-size:.65rem;color:var(--text-muted);background:none;border:1px solid rgba(255,255,255,.08);border-radius:6px;padding:4px 10px;cursor:pointer;transition:all .2s}.leaderboard-clear:hover{color:var(--error);border-color:var(--error)}.leaderboard-empty{font-size:.8rem;color:var(--text-muted);text-align:center;padding:8px 0}.leaderboard-list{display:flex;flex-direction:column;gap:8px}.leaderboard-row{display:flex;align-items:center;gap:12px;padding:8px 12px;background:#0003;border-radius:8px;font-size:.85rem}.leaderboard-rank{font-family:var(--font-mono);font-size:.8rem;width:28px;text-align:center;flex-shrink:0}.leaderboard-name{flex:1;color:var(--text-primary);font-weight:500;overflow:hidden;text-overflow:ellipsis;white-space:nowrap}.leaderboard-time{font-family:var(--font-mono);font-size:.8rem;color:var(--green-accent);flex-shrink:0}