*{box-sizing:border-box;margin:0;padding:0}:root{--bg: #0f1118;--card-bg: #1a1d2e;--card-hover: #222640;--border: #2a2e42;--text: #e8eaf0;--text2: #8b8fa3;--text3: #555970;--up: #00d4aa;--down: #ff5a5a;--radius: 12px}body{font-family:-apple-system,BlinkMacSystemFont,SF Pro,Segoe UI,sans-serif;background:var(--bg);color:var(--text);line-height:1.5;-webkit-font-smoothing:antialiased}.app{max-width:960px;margin:0 auto;padding:24px 20px;min-height:100vh}.header{text-align:center;margin-bottom:28px}.header h1{font-size:26px;font-weight:700;letter-spacing:1px}.header .subtitle{color:var(--text2);font-size:13px}.cards{display:grid;grid-template-columns:repeat(4,1fr);gap:14px;margin-bottom:24px}.card{background:var(--card-bg);border-radius:var(--radius);padding:18px 20px;cursor:pointer;border:2px solid transparent;transition:all .2s}.card:hover{background:var(--card-hover)}.card.active{border-color:var(--accent);box-shadow:0 0 20px #ffffff0d}.card-top{display:flex;align-items:center;gap:8px;margin-bottom:10px}.card-icon{width:32px;height:32px;border-radius:8px;display:flex;align-items:center;justify-content:center;font-weight:700;font-size:14px;color:#fff}.card-name{font-size:14px;color:var(--text2);font-weight:500}.card-price{font-size:26px;font-weight:700;font-variant-numeric:tabular-nums;margin-bottom:6px}.card-meta{display:flex;align-items:center;gap:10px;margin-bottom:8px}.change{font-size:14px;font-weight:600;font-variant-numeric:tabular-nums}.change.up{color:var(--up)}.change.down{color:var(--down)}.unit{font-size:12px;color:var(--text3)}.card-range{display:flex;justify-content:space-between;font-size:11px;color:var(--text3)}.card-loading{color:var(--text3);font-size:14px;padding:20px 0}.chart-section{background:var(--card-bg);border-radius:var(--radius);padding:20px 24px;margin-bottom:16px}.chart-header{display:flex;justify-content:space-between;align-items:center;margin-bottom:16px}.chart-header h2{font-size:16px;font-weight:600}.range-tabs{display:flex;gap:3px;background:var(--bg);border-radius:8px;padding:3px;flex-wrap:wrap}.range-tabs button{padding:5px 10px;border:none;border-radius:6px;background:transparent;color:var(--text2);font-size:12px;cursor:pointer;transition:all .15s;white-space:nowrap}.range-tabs button.active{background:var(--card-hover);color:var(--text)}.range-tabs button:hover:not(.active){color:var(--text)}.custom-range{display:flex;align-items:center;gap:8px;margin-bottom:12px;flex-wrap:wrap}.custom-range input[type=date]{background:var(--bg);border:1px solid var(--border);border-radius:6px;color:var(--text);padding:6px 10px;font-size:13px;outline:none}.custom-range input[type=date]:focus{border-color:#5b6abf}.custom-sep{color:var(--text3);font-size:13px}.custom-apply{padding:6px 16px;background:#5b6abf;color:#fff;border:none;border-radius:6px;font-size:13px;cursor:pointer}.custom-apply:hover{opacity:.9}.chart-wrap{width:100%;min-height:200px;display:flex;align-items:center;justify-content:center}.chart-svg{width:100%;height:auto}.chart-loading{color:var(--text3);font-size:14px}.update-time{text-align:center;font-size:12px;color:var(--text3);margin-bottom:8px}.footer{text-align:center;padding:16px;color:var(--text3);font-size:11px;border-top:1px solid var(--border)}@media(max-width:860px){.cards{grid-template-columns:repeat(2,1fr)}}@media(max-width:640px){.app{padding:12px}.cards{grid-template-columns:1fr;gap:10px}.card{padding:14px 16px}.card-price{font-size:22px}.chart-header{flex-direction:column;gap:10px;align-items:flex-start}.chart-section{padding:14px 12px}}