:root{--tg-header-color:#3390ec;--tg-bg-color:#fff;--surface:#f5f5f5;--text:#1a1a1a;--text-muted:#666;--primary:#3390ec;--border:#e0e0e0;--radius:12px}@media (prefers-color-scheme:dark){:root{--tg-bg-color:#1a1a1a;--surface:#252525;--text:#f0f0f0;--text-muted:#aaa;--border:#333}}*{box-sizing:border-box;padding:0;margin:0}body,html{max-width:100vw;min-height:100vh;background:var(--tg-bg-color);color:var(--text);font-family:-apple-system,BlinkMacSystemFont,Segoe UI,Roboto,Oxygen,Ubuntu,sans-serif;font-size:16px;line-height:1.5}a{color:var(--primary);text-decoration:none}button{cursor:pointer}button,input,select,textarea{font:inherit}.app-container{padding:16px 16px 24px;max-width:480px;margin:0 auto}.page-title{font-size:1.25rem;font-weight:600;margin-bottom:16px}.card{background:var(--surface);border-radius:var(--radius);border:1px solid var(--border);padding:16px;margin-bottom:12px}.btn{display:inline-flex;align-items:center;justify-content:center;padding:12px 20px;border-radius:var(--radius);border:none;font-weight:600;transition:opacity .2s}.btn:disabled{opacity:.6;cursor:not-allowed}.btn-primary{background:var(--primary);color:#fff;width:100%}.btn-secondary{background:var(--surface);color:var(--text);border:1px solid var(--border)}.btn-outline{background:transparent;color:var(--primary);border:2px solid var(--primary)}.btn-block{width:100%}.form-group{margin-bottom:16px}.form-group label{display:block;font-weight:500;margin-bottom:6px;color:var(--text-muted)}.form-group input,.form-group select,.form-group textarea{width:100%;padding:10px 12px;border:1px solid var(--border);border-radius:8px;background:var(--tg-bg-color);color:var(--text)}.form-group input:focus,.form-group select:focus{outline:none;border-color:var(--primary)}.spinner{width:32px;height:32px;border:3px solid var(--border);border-top-color:var(--primary);border-radius:50%;animation:spin .8s linear infinite;margin:16px auto}@keyframes spin{to{transform:rotate(1turn)}}.muted{color:var(--text-muted);font-size:.9rem}.text-center{text-align:center}.landing{min-height:100vh}.landing-hero{position:relative;min-height:380px;display:flex;align-items:flex-end;padding:32px 24px 40px}.landing-hero-bg{position:absolute;inset:0;z-index:0}.landing-hero-overlay{position:absolute;inset:0;background:linear-gradient(90deg,rgba(0,0,0,.55),rgba(0,0,0,.25),rgba(0,0,0,.12));z-index:1}.landing-hero-content{position:relative;z-index:2;width:100%;max-width:1281px;margin:0 auto}.landing-hero-title{font-size:clamp(28px,6vw,40px);font-weight:700;color:#fff;line-height:1.2;letter-spacing:-.5px;text-shadow:0 2px 6px rgba(0,0,0,.5);margin-bottom:28px;white-space:pre-line}.landing-hero-pill{display:flex;align-items:center;justify-content:space-between;gap:12px;background:var(--surface);border-radius:9999px;padding:12px 16px 12px 20px;width:100%;max-width:560px;box-shadow:0 4px 16px rgba(0,0,0,.18);text-decoration:none;color:var(--text);transition:box-shadow .2s}.landing-hero-pill:hover{box-shadow:0 6px 20px rgba(0,0,0,.22)}.landing-hero-pill-text{font-size:15px;color:var(--text-muted)}.landing-hero-pill-cta{font-size:14px;font-weight:600;color:var(--primary)}.landing-body{padding:32px 16px 48px;background:linear-gradient(180deg,#f0f4f8,#e2e8f0 50%,#f1f5f9)}.landing-container{max-width:480px;margin:0 auto}.landing-brand{font-size:1.5rem;font-weight:700;color:var(--primary);margin-bottom:8px}.landing-tagline{font-size:1.1rem;color:var(--text);margin-bottom:8px}.landing-muted{color:var(--text-muted);font-size:.95rem;margin-bottom:24px}.landing-cta{display:block;text-align:center;text-decoration:none}