:root{color:#102a43;background:#f5f7f8;font-family:Inter,ui-sans-serif,system-ui,-apple-system,BlinkMacSystemFont,Segoe UI,sans-serif;font-synthesis:none;text-rendering:optimizeLegibility;-webkit-font-smoothing:antialiased;--panel: #ffffff;--ink: #102a43;--muted: #5d6f80;--line: #d9e2e7;--primary: #155e75;--primary-strong: #0e4f64;--accent: #0f766e;--danger: #b42318;--warning: #9a3412}*{box-sizing:border-box}body{min-width:320px;min-height:100vh;margin:0}button,input,select{font:inherit}button{cursor:pointer}.app-shell{min-height:100vh;padding:24px 16px;background:linear-gradient(180deg,#155e751f,#f5f7f800 360px),#f5f7f8}.back-home-link{display:inline-flex;align-items:center;min-height:40px;margin:0 0 18px;border:1px solid var(--line);border-radius:999px;background:#ffffffd1;color:var(--primary-strong);padding:0 14px;font-size:.88rem;font-weight:800;text-decoration:none;box-shadow:0 10px 28px #102a4314}.back-home-link:hover{transform:translateY(-1px);border-color:var(--primary)}.converter{width:min(100%,560px);margin:0 auto}.topbar{display:flex;align-items:flex-start;justify-content:space-between;gap:16px;margin-bottom:18px}.eyebrow{margin:0 0 8px;color:var(--primary);font-size:.78rem;font-weight:800;letter-spacing:0;text-transform:uppercase}h1,h2,p{overflow-wrap:anywhere}h1{max-width:12ch;margin:0;color:var(--ink);font-size:clamp(2.25rem,13vw,4.5rem);line-height:.94;letter-spacing:0}h2{margin:0 0 10px;color:var(--ink);font-size:.95rem}.icon-button{flex:0 0 auto;width:48px;height:48px;border:1px solid var(--line);border-radius:999px;background:var(--panel);color:#b45309;font-size:1.7rem;line-height:1;box-shadow:0 8px 24px #102a4314}.amount-panel,.result-panel,.shortcut-section{border:1px solid var(--line);border-radius:8px;background:var(--panel);box-shadow:0 16px 48px #102a4314}.amount-panel{padding:18px}.amount-panel label,.currency-select span,.result-label{display:block;color:var(--muted);font-size:.86rem;font-weight:700}.amount-input{width:100%;min-height:84px;margin-top:4px;border:0;outline:0;background:transparent;color:var(--ink);font-size:clamp(3rem,18vw,6rem);font-weight:800;line-height:1;letter-spacing:0}.field-hint{margin:8px 0 0;color:var(--muted);font-size:.85rem}.currency-grid{display:grid;grid-template-columns:1fr 52px 1fr;align-items:end;gap:10px;margin:12px 0}.currency-select{min-width:0}.currency-select select{width:100%;height:56px;margin-top:6px;border:1px solid var(--line);border-radius:8px;background:var(--panel);color:var(--ink);padding:0 12px;font-weight:800}.swap-button{width:52px;height:56px;border:0;border-radius:8px;background:var(--primary);color:#fff;font-size:1.6rem;font-weight:800}.swap-button:hover,.pair-chip:hover,.icon-button:hover{transform:translateY(-1px)}.result-panel{padding:18px}.result-label{margin:0 0 10px}.result-value{min-height:72px;color:var(--primary-strong);font-size:clamp(2.3rem,12vw,4.4rem);font-weight:900;line-height:1;letter-spacing:0;overflow-wrap:anywhere}.rate-meta{display:grid;gap:4px;margin:14px 0 0;color:var(--muted);font-size:.88rem}.rate-meta.warning{color:var(--warning)}.rate-meta.error{color:var(--danger)}.shortcut-section{margin-top:12px;padding:14px}.pair-list{display:flex;flex-wrap:wrap;gap:8px}.pair-chip{min-height:42px;border:1px solid var(--line);border-radius:999px;background:#f8fafc;color:var(--ink);padding:0 14px;font-weight:800}.pair-chip.active{border-color:var(--accent);background:#ccfbf1;color:#134e4a}.disclaimer{margin:14px 4px 0;color:var(--muted);font-size:.82rem;line-height:1.45}@media(max-width:430px){.app-shell{padding:18px 12px}.back-home-link{width:100%;justify-content:center;margin-bottom:14px}.currency-grid{grid-template-columns:1fr}.swap-button{justify-self:center;width:100%}}