:root{--bg-primary:#0A0A0A;--bg-secondary:#141414;--bg-card:#1A1A1A;--bg-card-hover:#222222;--border:#2A2A2A;--border-focus:#404040;--text-primary:#FAFAFA;--text-secondary:#A0A0A0;--text-muted:#666666;--accent:#6366F1;--accent-hover:#818CF8;--success:#22C55E;--warning:#F59E0B;--danger:#EF4444;--stable-color:#2775CA;--volatile-color:#627EEA;--radius-sm:8px;--radius-md:12px;--radius-lg:16px;--radius-xl:20px}*{box-sizing:border-box;padding:0;margin:0;-webkit-tap-highlight-color:transparent}body,html{max-width:100vw;overflow-x:hidden;font-family:-apple-system,BlinkMacSystemFont,Segoe UI,Roboto,sans-serif;background:var(--bg-primary);color:var(--text-primary);-webkit-font-smoothing:antialiased;-moz-osx-font-smoothing:grayscale}a{color:var(--accent);text-decoration:none}button{cursor:pointer;border:none;-webkit-user-select:none;-moz-user-select:none;user-select:none}button,input,select{outline:none;font-family:inherit}.container{max-width:480px;margin:0 auto;padding:0 16px}.card{background:var(--bg-card);border:1px solid var(--border);border-radius:var(--radius-lg);padding:20px}.card:hover{border-color:var(--border-focus)}.btn{display:inline-flex;align-items:center;justify-content:center;gap:8px;padding:12px 24px;border-radius:var(--radius-md);font-size:15px;font-weight:600;transition:all .15s ease;width:100%}.btn-primary{background:var(--accent);color:white;border:1px solid var(--accent)}.btn-primary:hover:not(:disabled){background:var(--accent-hover)}.btn-primary:disabled{opacity:.5;cursor:not-allowed}.btn-secondary{background:var(--bg-secondary);color:var(--text-primary);border:1px solid var(--border)}.btn-secondary:hover:not(:disabled){border-color:var(--border-focus);background:var(--bg-card)}.input{width:100%;padding:12px 16px;background:var(--bg-secondary);border:1px solid var(--border);border-radius:var(--radius-md);color:var(--text-primary);font-size:15px;transition:border-color .15s ease}.input:focus{border-color:var(--accent)}.input::placeholder{color:var(--text-muted)}.label{display:block;font-weight:500;margin-bottom:6px}.label,.section-title{font-size:13px;color:var(--text-secondary)}.section-title{font-weight:600;text-transform:uppercase;letter-spacing:.05em;margin-bottom:12px}.badge{display:inline-flex;align-items:center;padding:4px 10px;border-radius:999px;font-size:12px;font-weight:600}.badge-success{background:rgba(34,197,94,.15);color:var(--success)}.badge-warning{background:rgba(245,158,11,.15);color:var(--warning)}.badge-danger{background:rgba(239,68,68,.15);color:var(--danger)}.skeleton{background:linear-gradient(90deg,var(--bg-card) 25%,var(--bg-card-hover) 50%,var(--bg-card) 75%);background-size:200% 100%;animation:shimmer 1.5s infinite;border-radius:var(--radius-sm)}@keyframes shimmer{0%{background-position:200% 0}to{background-position:-200% 0}}.fade-in{animation:fadeIn .3s ease}@keyframes fadeIn{0%{opacity:0;transform:translateY(8px)}to{opacity:1;transform:translateY(0)}}@keyframes spin{to{transform:rotate(1turn)}}.spinner{display:inline-block;width:16px;height:16px;border:2px solid rgba(255,255,255,.25);border-top-color:white;border-radius:50%;animation:spin .6s linear infinite}.btn-danger{background:var(--danger);color:white;border:1px solid var(--danger)}.btn-danger:hover:not(:disabled){background:#dc2626}.btn-danger:disabled{opacity:.5;cursor:not-allowed}.welcome{min-height:100dvh;display:flex;flex-direction:column;position:relative;overflow:hidden;background:radial-gradient(ellipse 80% 60% at 20% 60%,rgba(99,102,241,.12) 0,transparent 60%),radial-gradient(ellipse 60% 50% at 85% 25%,rgba(99,102,241,.08) 0,transparent 50%),radial-gradient(ellipse 70% 40% at 50% 100%,rgba(34,197,94,.06) 0,transparent 50%),var(--bg-primary)}.welcome:before{content:"";position:absolute;inset:0;background-image:radial-gradient(circle at center,rgba(255,255,255,.03) 1px,transparent 0);background-size:24px 24px;pointer-events:none}.welcome-content{position:relative;flex:1 1;display:flex;flex-direction:column;justify-content:center;align-items:center;padding:48px 24px 0;text-align:center}.welcome-logo{font-size:56px;font-weight:700;letter-spacing:-.04em;background:linear-gradient(135deg,#fff 0,var(--accent-hover) 100%);-webkit-background-clip:text;-webkit-text-fill-color:transparent;background-clip:text;margin-bottom:16px;animation:fadeIn .6s ease}.welcome-tagline{font-size:18px;font-weight:400;color:#C8C8C8;margin-bottom:12px;animation:fadeIn .6s ease .1s both}.welcome-description{font-size:15px;line-height:1.7;color:#9A9A9A;max-width:340px;animation:fadeIn .6s ease .2s both}.welcome-features{display:flex;flex-direction:column;gap:12px;margin-top:40px;width:100%;max-width:340px;animation:fadeIn .6s ease .3s both}.welcome-feature{display:flex;align-items:center;gap:12px;padding:12px 16px;background:rgba(255,255,255,.03);border:1px solid var(--border);border-radius:var(--radius-md);font-size:14px;font-weight:400;color:#B8B8B8;text-align:left}.welcome-feature-icon{width:36px;height:36px;border-radius:var(--radius-sm);display:flex;align-items:center;justify-content:center;font-size:18px;flex-shrink:0;background:rgba(99,102,241,.1)}.welcome-footer{position:relative;padding:32px 24px max(32px,env(safe-area-inset-bottom));animation:fadeIn .6s ease .4s both}.welcome-cta{display:flex;align-items:center;justify-content:center;gap:10px;width:100%;max-width:340px;margin:0 auto;padding:16px 24px;border-radius:var(--radius-lg);font-size:16px;font-weight:700;background:var(--accent);color:white;border:1px solid var(--accent);transition:all .2s ease}.welcome-cta:hover:not(:disabled){background:var(--accent-hover);transform:translateY(-1px);box-shadow:0 8px 24px rgba(99,102,241,.25)}.welcome-cta:disabled{opacity:.7;cursor:not-allowed}details summary::-webkit-details-marker{display:none}details[open] .faq-chevron{transform:rotate(45deg)}