:root{--bg: #0b1220;--bg-elev: #121b2e;--border: #1f2b44;--text: #e6edf7;--muted: #8b9ab5;--accent: #22d3ee;--accent-strong: #06b6d4;--accent-text: #04121a;--danger: #f87171;--radius: 12px;color-scheme:dark}*{box-sizing:border-box}html,body{margin:0}body{background:var(--bg);color:var(--text);font-family:system-ui,-apple-system,Segoe UI,Roboto,Arial,sans-serif;font-size:16px;line-height:1.55;-webkit-font-smoothing:antialiased}a{color:var(--accent)}.container{width:100%;max-width:1100px;margin:0 auto;padding:0 16px}.page-loading{min-height:100vh}.topbar{display:flex;align-items:center;justify-content:space-between;padding-top:20px;padding-bottom:20px}.brand{display:inline-flex;align-items:center;gap:10px;color:var(--text);font-weight:700;font-size:20px;text-decoration:none}.brand-mark{display:inline-grid;place-items:center;width:32px;height:32px;border-radius:8px;background:var(--accent);color:var(--accent-text);font-size:18px}.topbar-actions{display:flex;gap:10px}.hero-actions{display:flex;flex-wrap:wrap;gap:12px}@media(max-width:520px){.hide-mobile{display:none}}.btn{display:inline-flex;align-items:center;justify-content:center;padding:10px 18px;border-radius:10px;border:1px solid transparent;font:inherit;font-weight:600;text-decoration:none;cursor:pointer;transition:background .15s,border-color .15s}.btn-primary{background:var(--accent);color:var(--accent-text)}.btn-primary:hover{background:var(--accent-strong)}.btn-primary:disabled{opacity:.5;cursor:not-allowed}.btn-ghost{background:transparent;color:var(--text);border-color:var(--border)}.btn-ghost:hover{border-color:var(--muted)}.btn-lg{padding:14px 26px;font-size:17px}.btn-block{width:100%}.hero{padding-top:72px;padding-bottom:56px}.hero h1{max-width:820px;margin:0 0 20px;font-size:clamp(30px,5vw,52px);line-height:1.12;letter-spacing:-.02em}.lead{max-width:680px;margin:0 0 32px;color:var(--muted);font-size:clamp(17px,2vw,20px)}.features{padding-bottom:72px}.features h2{margin:0 0 24px;font-size:26px}.feature-grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(240px,1fr));gap:16px}.feature-card{background:var(--bg-elev);border:1px solid var(--border);border-radius:var(--radius);padding:22px}.feature-card h3{margin:0 0 8px;font-size:18px}.feature-card p{margin:0;color:var(--muted)}.feature-card p+p{margin-top:12px}.footer{display:flex;flex-wrap:wrap;gap:12px;justify-content:space-between;padding-top:24px;padding-bottom:32px;border-top:1px solid var(--border);color:var(--muted);font-size:14px}.contacts{display:flex;gap:16px;flex-wrap:wrap}.dashboard{padding-top:40px;padding-bottom:60px}.dashboard h1{margin:0 0 8px}.auth-page{min-height:100vh;display:grid;place-items:center;padding:24px 16px}.auth-card{width:100%;max-width:400px;background:var(--bg-elev);border:1px solid var(--border);border-radius:16px;padding:32px 28px}.auth-brand{margin-bottom:24px}.auth-card h1{margin:0 0 20px;font-size:26px}form label{display:block;margin-bottom:16px;color:var(--muted);font-size:14px}form input{display:block;width:100%;margin-top:6px;padding:11px 12px;background:var(--bg);border:1px solid var(--border);border-radius:10px;color:var(--text);font:inherit}form input:focus{outline:none;border-color:var(--accent);box-shadow:0 0 0 3px #22d3ee33}.form-error{margin:0 0 16px;color:var(--danger);font-size:14px}.auth-card-wide{max-width:520px}.auth-card p{margin:0 0 16px}.form-row{display:grid;grid-template-columns:1fr 1fr;gap:12px}@media(max-width:480px){.form-row{grid-template-columns:1fr;gap:0}}.hint{margin:-6px 0 16px;color:var(--muted);font-size:13px}form label.checkbox{display:flex;align-items:flex-start;gap:10px;color:var(--text)}form label.checkbox input{width:18px;height:18px;margin:2px 0 0;flex-shrink:0;accent-color:var(--accent)}.document{padding-top:24px;padding-bottom:60px}.document-text{max-width:760px;white-space:pre-wrap;color:var(--text)}.auth-links{display:flex;flex-direction:column;gap:6px;margin-top:20px;font-size:14px}.muted{color:var(--muted)}