@import"https://fonts.googleapis.com/css2?family=Space+Grotesk:wght@400;500;600;700&family=Inter:wght@400;500;600;700&display=swap";:root{--bg-light: #0b1026;--bg-dark: #060918;--panel-bg: #0f162f;--panel-border: #1f2a44;--text-main: #e8ebff;--text-muted: #9fb0d3;--prime-color: #7bf2c4;--prime-alt: #57d0ff;--nonprime-color: #ff9f6b;--nonprime-alt: #ffc86b;--accent: #9f7bff;--positive: #5ade9b;--negative: #ff6b81;--dropzone-bg: #0c132a;--dropzone-border: #2a3756;--font-body: "Inter", "Segoe UI", "Helvetica Neue", sans-serif;--font-heading: "Space Grotesk", "Inter", system-ui, sans-serif}body,html{margin:0;padding:0;width:100%;height:100%;overflow-x:hidden;overflow-y:auto;background:radial-gradient(circle at 20% 20%,#111a33,#080c1e 35%,#060918 70%,#040711);font-family:var(--font-body);position:relative;color:var(--text-main);font-size:16px;line-height:1.5}h1,h2,h3{font-family:var(--font-heading)}#startContainer{position:absolute;top:0;left:0;right:0;display:flex;flex-direction:column;align-items:center;justify-content:flex-start;gap:24px;padding:32px 0 48px;z-index:30}#heroTitle{margin:0;font-size:clamp(2.6rem,5vw,4.2rem);letter-spacing:.6rem;font-weight:800;text-transform:uppercase;background:linear-gradient(90deg,#7bf2c4,#57d0ff,#9f7bff,#ffc86b);-webkit-background-clip:text;-webkit-text-fill-color:transparent;text-shadow:0 12px 32px rgba(0,0,0,.35);font-family:var(--font-heading)}#startButton{font-size:1rem;padding:14px 28px;border:none;background:linear-gradient(135deg,#2e2545,#3d2f63);color:#f3f5ff;cursor:pointer;border-radius:10px;box-shadow:0 10px 30px #00000026;letter-spacing:.5px;transition:transform .2s ease,box-shadow .2s ease,background .2s ease}#startButton:hover{transform:translateY(-1px);background:linear-gradient(135deg,#3b2b56,#4c3975);box-shadow:0 14px 32px #0000002e}.intro-actions{display:flex;gap:12px;align-items:center}.ghost{background:transparent;color:var(--text-main);border:1px solid #2f3550;padding:12px 20px;border-radius:10px;cursor:pointer;transition:border-color .2s ease,color .2s ease,transform .2s ease}.ghost:hover{border-color:var(--accent);color:#fff;transform:translateY(-1px)}#primeExplanation{max-width:720px;width:90%;background:#101936;border-radius:16px;padding:20px 24px;box-shadow:0 20px 50px #0c102766;border:1px solid #1b2742;color:#dce4ff;-webkit-backdrop-filter:blur(4px);backdrop-filter:blur(4px)}#primeExplanation h2{margin:0 0 12px;font-size:1.2rem;letter-spacing:.2px}#primeExplanation ul{padding-left:18px;margin:0 0 10px;line-height:1.5}#primeExplanation li{margin-bottom:6px}#primeExplanation .tip{margin:0;padding:8px 12px;background:#0d1429;border-radius:8px;color:#9fb0d3;border:1px solid #1e2a46;font-size:.95rem}#rulesCard{max-width:720px;width:90%;background:#1c0f2f;border-radius:16px;padding:18px 22px;box-shadow:0 20px 50px #0f172a59;border:1px solid #2b1d42;color:#efe9ff}#rulesCard h2{margin:0 0 10px;font-size:1.15rem;letter-spacing:.2px}#rulesCard ul{padding-left:18px;margin:0;line-height:1.5}#rulesCard li{margin-bottom:6px}#configPanel{display:inline-block;width:400px;background:#0f162f;padding:20px;border:1px solid #1f2a44;border-radius:14px;text-align:left;box-shadow:0 16px 40px #0000004d}#configPanel .panel-header h2{margin:0;font-size:1.2rem}#configPanel .panel-header p{margin:4px 0 14px;color:var(--text-muted);font-size:.95rem}#configPanel .field{display:flex;flex-direction:column;gap:6px;margin-bottom:12px;font-size:.95rem;color:var(--text-main)}#configPanel input,#configPanel select{border:1px solid #1f2a44;border-radius:8px;padding:10px;font-size:1rem;background:#0b1026;color:var(--text-main);transition:border-color .2s ease,box-shadow .2s ease}#configPanel input:focus,#configPanel select:focus{border-color:var(--accent);box-shadow:0 0 0 2px #9f7bff40;outline:none}#configPanel .range-legend{display:flex;justify-content:space-between;font-size:.8rem;color:#6a6f8f;margin-top:4px}#configPanel input[type=range]{-webkit-appearance:none;width:calc(100% - 24px);height:10px;background:linear-gradient(90deg,#6f80ff66,#9f7bffb3);border-radius:12px;outline:none;border:none;box-shadow:inset 0 1px 3px #00000014;margin:0 12px}#configPanel input[type=range]::-webkit-slider-thumb{-webkit-appearance:none;-moz-appearance:none;appearance:none;width:18px;height:18px;border-radius:50%;background:#0b1026;border:2px solid #dce4ff;box-shadow:0 5px 14px #00000059;cursor:pointer;margin-top:-4px}#configPanel input[type=range]::-moz-range-thumb{width:18px;height:18px;border-radius:50%;background:#0b1026;border:2px solid #dce4ff;box-shadow:0 5px 14px #00000059;cursor:pointer}#container{display:none;position:relative;width:100%;height:100vh;background:radial-gradient(circle at 30% 20%,#101732,#080d22 60%,#050917)}.prime,.nonprime{position:absolute;font-weight:700;-webkit-user-select:none;user-select:none}.prime{cursor:pointer}#dropZone{position:absolute;bottom:20px;left:20px;width:180px;height:180px;background:var(--dropzone-bg);border:2px dashed var(--dropzone-border);z-index:10;border-radius:16px;display:flex;flex-direction:column;align-items:center;justify-content:center;gap:8px;color:var(--text-main);text-align:center;padding:12px;transition:border-color .2s ease,box-shadow .2s ease,transform .2s ease,background .2s ease}.drop-icon{font-size:2rem}.drop-text{font-size:.95rem;line-height:1.3}#dropZone.drag-over{border-color:var(--accent);box-shadow:0 10px 30px #9f7bff59;transform:scale(1.05);background:#0f162fd9}#scoreContainer{display:none;position:absolute;top:20px;right:20px;z-index:20;background:#0c1023e6;color:var(--text-main);border:1px solid #1f2a44;border-radius:12px;padding:12px 14px;min-width:220px;box-shadow:0 12px 30px #00000040;flex-direction:column;gap:6px}#usernameDisplay{font-size:1.05rem;font-weight:700}#score{font-size:1.2rem;padding:2px 0;border-radius:4px}#timer{font-size:.95rem;margin-top:0}#objectiveTitle{font-size:1rem;font-weight:700}#objectiveRemaining{font-size:.95rem;color:var(--text-muted)}#objectiveContainer{display:none;position:absolute;top:20px;left:20px;z-index:20;background:#ffffffd9;padding:10px 12px;border-radius:6px;color:#222;font-size:1em;min-width:220px;box-shadow:0 2px 6px #00000014}#objectiveTitle{font-weight:700;margin-bottom:4px}#objectiveRemaining{font-size:.95em}#gameOverOverlay{display:none;position:absolute;top:0;left:0;width:100%;height:100%;background:#080c1abf;z-index:50;text-align:center;padding-top:20%}#gameOverOverlay h1{color:var(--accent);font-size:2.6rem;border:5px solid var(--accent);display:block;padding:20px;background:#0c1226}#gameOverDetails{color:var(--text-main);font-size:1.3rem;border:2px solid var(--accent);display:inline-block;padding:10px;background:#0c1226;margin-top:20px}#replayButton{margin-top:20px;padding:15px 30px;font-size:1.1rem;cursor:pointer;background-color:var(--accent);border:3px solid #dce4ff;color:#0b1026;border-radius:10px;animation:blink 1s infinite}.end-actions{display:flex;gap:12px;justify-content:center;align-items:center;flex-wrap:wrap}@keyframes blink{0%{opacity:1}50%{opacity:.5}to{opacity:1}}#countdownOverlay{position:fixed;top:0;left:0;width:100%;height:100%;background:#000;display:flex;justify-content:center;align-items:center;z-index:100;opacity:1}#countdownText{color:#fff;font-size:clamp(2.8rem,6vw,4rem)}.modal{position:fixed;top:0;right:0;bottom:0;left:0;background:#0009;display:flex;justify-content:center;align-items:flex-start;padding:40px 0;overflow-y:auto;z-index:200}.modal.hidden{display:none}.modal-content{background:#0f162f;border:1px solid #1f2a44;border-radius:14px;padding:20px;max-width:520px;width:90%;max-height:80vh;overflow-y:auto;color:var(--text-main);box-shadow:0 18px 40px #00000059}.modal-content h2{margin-top:0;margin-bottom:10px;font-size:1.3rem}.modal-title{text-transform:uppercase;font-size:1.6rem;letter-spacing:.5px;margin-bottom:16px}.modal-content ul{padding-left:18px;margin:8px 0 12px;line-height:1.5}@media (max-width: 768px){#startContainer{padding:24px 0 32px;gap:18px}#heroTitle{font-size:clamp(2.2rem,8vw,3rem);letter-spacing:.35rem}#configPanel{width:90%;max-width:420px}#primeExplanation,#rulesCard{width:92%}#scoreContainer{min-width:200px;right:12px}#score{font-size:1.1rem}}