:root{--primary: #ffffff;--secondary: #27272a;--accent: #00F0FF;--background: #000000;--surface: #000000;--surface-hover: #09090b;--text: #ffffff;--text-muted: #a1a1aa;--success: #39FF14;--error: #FF3333;--border-color: #27272a;--glass-bg: #000000;--glass-border: #27272a;--shadow-premium: none}*{box-sizing:border-box;margin:0;padding:0}body{font-family:Inter,system-ui,-apple-system,sans-serif;background-color:var(--background);color:var(--text);line-height:1.5;-webkit-font-smoothing:antialiased;min-height:100dvh;display:flex;flex-direction:column}main{flex:1;width:100%}.font-mono,.code-label,.chart-value,.option-letter{font-family:JetBrains Mono,Fira Code,Roboto Mono,monospace}.container{max-width:1200px;margin:0 auto;padding:0 1.5rem}.glass{background:var(--background);border:1px solid var(--border-color);border-radius:0;box-shadow:none;backdrop-filter:none}h1,h2,h3,h4{font-weight:700;letter-spacing:-.02em;color:#fff}.gradient-text{background:none;-webkit-text-fill-color:initial;color:#fff}.btn{display:inline-flex;align-items:center;justify-content:center;padding:.75rem 1.5rem;border-radius:2px;font-weight:500;cursor:pointer;transition:all .2s ease;border:1px solid transparent;font-size:.9rem;text-decoration:none;gap:.5rem;text-transform:uppercase;letter-spacing:.05em}.btn-primary{background:var(--text);color:var(--background);border:1px solid var(--text)}.btn-primary:hover{background:var(--accent);border-color:var(--accent);color:#000;box-shadow:0 0 20px #00f0ff33}.btn-primary:disabled{opacity:.5;cursor:not-allowed;pointer-events:none}.btn-secondary{background:transparent;color:var(--text);border:1px solid var(--border-color)}.btn-secondary:hover{border-color:var(--accent);color:var(--accent);background:#00f0ff0d}input{width:100%;padding:.75rem 1rem;background:var(--background);border:1px solid var(--border-color);border-radius:0;color:#fff;font-family:JetBrains Mono,monospace;font-size:.9rem;outline:none;transition:border-color .2s}input:focus{border-color:var(--accent)}@keyframes fadeIn{0%{opacity:0}to{opacity:1}}@keyframes slideUp{0%{opacity:0;transform:translateY(10px)}to{opacity:1;transform:translateY(0)}}@keyframes popIn{0%{transform:scale(.98);opacity:0}to{transform:scale(1);opacity:1}}.animate-fadeIn{animation:fadeIn .3s ease-out forwards}.animate-slideUp{animation:slideUp .4s ease-out forwards}.animate-popIn{animation:popIn .3s cubic-bezier(.16,1,.3,1) forwards}.loader{border:2px solid var(--border-color);border-left-color:var(--text);border-radius:50%;width:24px;height:24px;animation:spin .8s linear infinite}@keyframes spin{to{transform:rotate(360deg)}}.navbar{padding:1rem 0;border-bottom:1px solid var(--border-color);background:var(--background);margin-bottom:2rem}.logo{font-weight:700;font-size:1.25rem;color:var(--text);text-decoration:none;font-family:JetBrains Mono,monospace;text-transform:uppercase;letter-spacing:.1em}.pill{border:1px solid var(--border-color);padding:.25rem .75rem;border-radius:2px;font-family:JetBrains Mono,monospace;font-size:.8rem;text-transform:uppercase}.modal-overlay{position:fixed;inset:0;background:#000000e6;display:flex;align-items:center;justify-content:center;z-index:1000;padding:1rem}.app-modal-content{background:#000;border:1px solid var(--accent);padding:2rem;max-width:420px;width:100%;text-align:center;max-height:calc(100dvh - 2rem);overflow-y:auto}.app-modal-title{margin:0 0 .75rem;font-size:1.2rem;color:var(--accent)}.app-modal-message{margin:0 0 1.75rem;color:var(--text-muted);line-height:1.5}.app-modal-actions{display:flex;gap:.75rem;justify-content:center;flex-wrap:wrap}.connection-banner{position:fixed;top:0;left:0;right:0;z-index:3000;display:flex;align-items:center;justify-content:center;gap:.6rem;padding:.55rem 1rem;background:#1a1400;border-bottom:1px solid #d9a400;color:#ffd400;font-size:.8rem;letter-spacing:.05em}.connection-banner.is-offline{background:#1a0000;border-bottom-color:var(--error);color:var(--error)}.conn-dot{width:8px;height:8px;background:currentColor;animation:connPulse 1.2s ease-in-out infinite}@keyframes connPulse{0%,to{opacity:1}50%{opacity:.2}}.app-toast{position:fixed;left:50%;bottom:2rem;transform:translate(-50%) translateY(1rem);z-index:4000;max-width:min(90vw,460px);padding:.9rem 1.25rem;background:#000;border:1px solid var(--accent);color:var(--accent);font-family:JetBrains Mono,monospace;font-size:.85rem;line-height:1.4;text-align:center;opacity:0;pointer-events:none;transition:opacity .25s ease,transform .25s ease}.app-toast.is-visible{opacity:1;transform:translate(-50%) translateY(0)}.app-toast.is-error{border-color:var(--error);color:var(--error)}.app-toast.is-success{border-color:var(--success);color:var(--success)}.text-muted{color:var(--text-muted)}.text-accent{color:var(--accent)}.text-black{color:#000}.text-xs{font-size:.7rem}.text-sm{font-size:.8rem}.text-lg{font-size:1.1rem}.font-bold{font-weight:700}.btn-lg{padding:.9rem 1.75rem;font-size:.95rem}.btn-sm{padding:.4rem .85rem;font-size:.75rem}.btn-outline{background:transparent;border:1px solid var(--border-color);color:var(--text)}.btn-outline:hover{border-color:var(--accent);color:var(--accent)}.btn-text-only{background:transparent;border:none;color:var(--text-muted);text-decoration:none;cursor:pointer}.btn-text-only:hover{color:var(--accent);text-decoration:underline}.flex-center{display:flex;align-items:center;justify-content:center}:root{--accent-glow: rgba(0, 240, 255, .35)}.form-error,.join-error,.auth-error{color:var(--error);font-size:.85rem;margin:0;text-align:left}.form-success,.auth-success{color:var(--success);font-size:.85rem;margin:0;text-align:left}.btn-full{width:100%}.toggle-switch{position:relative;display:inline-block;width:50px;height:26px;flex-shrink:0}.toggle-switch input{opacity:0;width:0;height:0}.toggle-switch .slider{position:absolute;cursor:pointer;inset:0;background-color:#333;transition:.4s;border:1px solid var(--border-color);border-radius:34px}.toggle-switch .slider:before{position:absolute;content:"";height:18px;width:18px;left:3px;bottom:3px;background-color:#fff;transition:.4s;border-radius:50%}.toggle-switch input:checked+.slider{background-color:var(--accent);border-color:var(--accent)}.toggle-switch input:checked+.slider:before{transform:translate(24px);background-color:#000}.option-row{display:flex;justify-content:space-between;align-items:center;width:100%;gap:1rem}.option-row+.option-row{margin-top:1rem;padding-top:1rem;border-top:1px solid var(--border-color)}@media(max-width:640px){.option-row{flex-direction:column;align-items:stretch;gap:.6rem}}.option-controls{display:flex;align-items:center;gap:1rem;flex-shrink:0}@media(max-width:640px){.option-controls{justify-content:space-between}}.option-number{width:70px;background:#000;border:1px solid var(--border-color);color:#fff;padding:.3rem;text-align:center;font-weight:700}.option-number:disabled{opacity:.4}.option-info{display:flex;flex-direction:column;gap:.15rem;min-width:0}.back-link{color:var(--text-muted);text-decoration:none;font-size:.8rem;transition:color .2s ease}.back-link:hover{color:var(--accent)}.back-row{margin-top:1rem;text-align:center}