:root{--bg:#fff;--surface:#fff;--surface-2:#f5f5f7;--text:#101012;--text-muted:#6b6b76;--border:#e7e7ec;--accent:#b5854b;--accent-hover:#a4763f;--accent-contrast:#fff;--success:#17915a;--danger:#d84a4a;--radius:18px;--radius-sm:12px;--shadow:0 1px 2px rgba(16,16,18,.04),0 8px 24px rgba(16,16,18,.06);color-scheme:light}@media (prefers-color-scheme:dark){:root{--bg:#101012;--surface:#17171a;--surface-2:#1e1e23;--text:#ededf0;--text-muted:#9a9aa6;--border:#2a2a31;--accent:#c9a26b;--accent-hover:#d1b17e;--accent-contrast:#1a1408;--success:#35c98a;--danger:#ff6b6b;--shadow:0 1px 2px rgba(0,0,0,.3),0 8px 24px rgba(0,0,0,.4);color-scheme:dark}}:root[data-theme=dark]{--bg:#101012;--surface:#17171a;--surface-2:#1e1e23;--text:#ededf0;--text-muted:#9a9aa6;--border:#2a2a31;--accent:#c9a26b;--accent-hover:#d1b17e;--accent-contrast:#1a1408;--success:#35c98a;--danger:#ff6b6b;--shadow:0 1px 2px rgba(0,0,0,.3),0 8px 24px rgba(0,0,0,.4);color-scheme:dark}:root[data-theme=light]{--bg:#fff;--surface:#fff;--surface-2:#f5f5f7;--text:#101012;--text-muted:#6b6b76;--border:#e7e7ec;--accent:#b5854b;--accent-hover:#a4763f;--accent-contrast:#fff;--success:#17915a;--danger:#d84a4a;--shadow:0 1px 2px rgba(16,16,18,.04),0 8px 24px rgba(16,16,18,.06);color-scheme:light}*{box-sizing:border-box}body,html{margin:0;padding:0}body{background:var(--bg);color:var(--text);font-family:Inter,-apple-system,BlinkMacSystemFont,Segoe UI,Roboto,Helvetica,Arial,sans-serif;-webkit-font-smoothing:antialiased;font-feature-settings:"tnum" 1}a{color:inherit;text-decoration:none}.app{min-height:100vh;display:flex;flex-direction:column}.header{justify-content:space-between;padding:18px 24px;border-bottom:1px solid var(--border)}.brand,.header{display:flex;align-items:center}.brand{gap:10px;font-weight:650;font-size:18px;letter-spacing:-.02em}.brand-mark{width:28px;height:28px;border-radius:8px;background:var(--accent);display:grid;place-items:center;color:var(--accent-contrast);font-weight:800;font-size:15px}.header-left{display:flex;align-items:center;gap:22px}.nav{display:flex;gap:4px}.nav a{padding:8px 12px;border-radius:10px;font-size:14.5px;font-weight:550;color:var(--text-muted);transition:color .15s,background .15s}.nav a.active,.nav a:hover{color:var(--text);background:var(--surface-2)}.header-right{display:flex;align-items:center;gap:10px}.main{flex:1 1;display:flex;align-items:flex-start;justify-content:center;padding:48px 16px}.card{width:100%;max-width:440px;background:var(--surface);border:1px solid var(--border);border-radius:var(--radius);box-shadow:var(--shadow);padding:20px}.card-title{font-size:17px;font-weight:620;margin:2px 2px 16px;letter-spacing:-.01em}.field{background:var(--surface-2);border:1px solid transparent;border-radius:var(--radius-sm);padding:14px 16px;transition:border-color .15s}.field:focus-within{border-color:var(--accent)}.field-label{font-size:12px;color:var(--text-muted);margin-bottom:8px}.field-row{display:flex;align-items:center;gap:12px}.amount-input{flex:1 1;min-width:0;background:transparent;border:none;outline:none;color:var(--text);font-size:26px;font-weight:600;letter-spacing:-.02em}.amount-input::placeholder{color:var(--text-muted);opacity:.6}.token-select{display:flex;align-items:center;gap:8px;background:var(--surface);border:1px solid var(--border);border-radius:999px;padding:7px 12px 7px 8px;font-weight:600;font-size:15px;cursor:pointer;white-space:nowrap}.token-badge{width:22px;height:22px;border-radius:999px;background:var(--accent);color:var(--accent-contrast);display:grid;place-items:center;font-size:11px;font-weight:700}.flip{display:flex;justify-content:center;margin:-8px 0;position:relative;z-index:1}.flip button{width:40px;height:40px;border-radius:999px;border:4px solid var(--surface);background:var(--surface-2);color:var(--text-muted);cursor:pointer;display:grid;place-items:center;transition:background .15s,color .15s}.flip button svg{transition:transform .25s ease}.flip button:hover{background:var(--border);color:var(--accent)}.flip button:hover svg{transform:rotate(180deg)}.meta{display:flex;justify-content:space-between;font-size:13px;color:var(--text-muted);padding:14px 4px 4px}.btn{width:100%;margin-top:16px;padding:15px;border:none;border-radius:var(--radius-sm);background:var(--accent);color:var(--accent-contrast);font-size:16px;font-weight:650;cursor:pointer;transition:background .15s}.btn:hover:not(:disabled){background:var(--accent-hover)}.btn:disabled{opacity:.5;cursor:not-allowed}.btn-ghost{background:transparent;border:1px solid var(--border);color:var(--text);border-radius:10px;padding:9px 12px;font-size:14px;font-weight:550;cursor:pointer}.btn-ghost:hover{background:var(--surface-2)}.icon-btn{width:38px;height:38px;border-radius:10px;border:1px solid var(--border);background:transparent;color:var(--text);cursor:pointer;display:grid;place-items:center;font-size:16px}.icon-btn:hover{background:var(--surface-2)}.lang-btn{width:auto;padding:0 12px;font-size:13px;font-weight:650;letter-spacing:.04em}.liq-stats{background:var(--surface-2);border-radius:var(--radius-sm);padding:12px 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14px}.tile-label{font-size:12px;color:var(--text-muted);margin-bottom:6px}.tile-value{font-size:20px;font-weight:650;letter-spacing:-.01em}.tile-sub{font-size:11.5px;color:var(--text-muted);margin-top:4px}.chart-block{margin-top:16px}.chart-title{font-size:13.5px;font-weight:600;color:var(--text-muted);margin-bottom:8px}.chart-wrap{position:relative}.chart-svg{width:100%;height:auto;display:block}.chart-grid{stroke:var(--border);stroke-width:1}.chart-crosshair{stroke:var(--text-muted);stroke-width:1;stroke-dasharray:3 3}.chart-dot{stroke:var(--surface);stroke-width:2}.chart-axis-label{font-size:11px;fill:var(--text-muted)}.chart-empty{padding:32px;text-align:center;color:var(--text-muted);font-size:13.5px;background:var(--surface-2);border-radius:var(--radius-sm)}.chart-tooltip{position:absolute;top:0;transform:translateX(-50%);background:var(--surface);border:1px solid var(--border);border-radius:10px;box-shadow:var(--shadow);padding:7px 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