:root{--bg: #0b0b0d;--surface: #17171a;--surface-2: #1f1f23;--border: #2a2a2e;--text: #f2f2f3;--text-dim: #9a9aa1;--accent: #6d5ef7;--accent-2: #9d8dfd;--danger: #ff6b6b}*{box-sizing:border-box}html,body{margin:0;padding:0}body{background:var(--bg);color:var(--text);font-family:-apple-system,BlinkMacSystemFont,Segoe UI,Roboto,Helvetica,Arial,sans-serif;-webkit-font-smoothing:antialiased}#root{min-height:100vh;display:flex;flex-direction:column}a{color:var(--accent-2)}.site-header{display:flex;align-items:center;padding:clamp(16px,4vw,28px) clamp(16px,5vw,48px)}.brand{display:flex;align-items:center;gap:10px}.brand svg{color:var(--accent-2);flex-shrink:0}.brand-name{font-weight:700;font-size:1.15rem;letter-spacing:-.02em}main{flex:1;width:100%;max-width:640px;margin:0 auto;padding:clamp(24px,6vw,48px) clamp(16px,5vw,24px) 64px}.hero{text-align:center;margin-bottom:clamp(28px,6vw,40px)}.hero h1{font-size:clamp(1.7rem,5vw,2.4rem);line-height:1.3;letter-spacing:-.02em;margin:0 0 12px}.hero .subtitle{color:var(--text-dim);font-size:clamp(.95rem,2.5vw,1.05rem);line-height:1.6;margin:0}.convert-form{margin-bottom:8px}.input-row{display:flex;gap:8px;background:var(--surface);border:1px solid var(--border);border-radius:16px;padding:6px}.input-row input{flex:1;min-width:0;border:none;background:transparent;color:var(--text);font-size:1rem;padding:12px 14px;outline:none}.input-row input::placeholder{color:var(--text-dim)}.input-row button{flex-shrink:0;border:none;border-radius:12px;padding:0 20px;font-size:.95rem;font-weight:600;color:#fff;background:linear-gradient(135deg,var(--accent-2),var(--accent));cursor:pointer}.input-row button:disabled{opacity:.6;cursor:default}.hint{color:var(--text-dim);font-size:.82rem;line-height:1.6;margin:12px 4px 0}.error{margin-top:20px;padding:12px 14px;border-radius:12px;background:#ff6b6b1f;border:1px solid rgba(255,107,107,.35);color:var(--danger);font-size:.9rem}.result{margin-top:32px;padding:clamp(18px,4vw,24px);background:var(--surface);border:1px solid var(--border);border-radius:18px}.result-title{font-size:1.2rem;margin:0 0 4px}.result-meta{color:var(--text-dim);font-size:.88rem;margin:0 0 20px}.result-section-label{font-size:.85rem;color:var(--text-dim);margin:0 0 10px}.watch-links{list-style:none;margin:0;padding:0;display:flex;flex-direction:column;gap:8px}.watch-links a{display:flex;align-items:center;justify-content:space-between;padding:12px 16px;border-radius:12px;background:var(--surface-2);border:1px solid var(--border);color:var(--text);text-decoration:none;font-size:.92rem}.watch-links a:hover{border-color:var(--accent)}.note{margin:16px 0 0;color:var(--text-dim);font-size:.82rem;line-height:1.6}.site-footer{text-align:center;padding:24px 16px 32px;color:var(--text-dim);font-size:.8rem;line-height:1.7}.site-footer a{color:var(--text-dim)}