*,*:before,*:after{box-sizing:border-box;margin:0;padding:0}:root{--bg: #0d1117;--surface: #161b22;--border: #30363d;--border-dim:#21262d;--text: #e6edf3;--muted: #8b949e;--gold: #d4a017;--gold-lt: #f5d060;--up: #3fb950;--down: #f85149}html,body,#root{height:100%}body{background:var(--bg);color:var(--text);font-family:-apple-system,BlinkMacSystemFont,Segoe UI,Roboto,sans-serif;font-size:13px;overflow:hidden}.app{height:100vh;display:flex;flex-direction:column}.header{display:flex;align-items:center;justify-content:space-between;padding:10px 20px;background:var(--surface);border-bottom:1px solid var(--border);flex-shrink:0;gap:16px;flex-wrap:wrap}.brand{display:flex;align-items:center;gap:10px}.brand-icon{width:34px;height:34px;background:linear-gradient(135deg,var(--gold),var(--gold-lt));border-radius:8px;display:flex;align-items:center;justify-content:center;font-size:18px}.brand-name{font-size:17px;font-weight:700}.brand-sub{font-size:11px;color:var(--muted)}.price-block{display:flex;flex-direction:column;gap:2px}.current-price{font-size:26px;font-weight:700;font-variant-numeric:tabular-nums}.price-change{font-size:12px;font-weight:500}.price-skeleton{width:140px;height:32px;background:var(--border);border-radius:6px;animation:pulse 1.2s ease infinite}.db-status{font-size:11px;color:var(--muted);text-align:right;line-height:1.7}.toolbar{display:flex;align-items:center;gap:8px;padding:8px 20px;background:var(--bg);border-bottom:1px solid var(--border-dim);flex-shrink:0;flex-wrap:wrap}.toolbar-label{font-size:11px;color:var(--muted)}.tf-group{display:flex;gap:4px}.tf-btn{padding:4px 10px;border:1px solid var(--border);border-radius:6px;background:transparent;color:#c9d1d9;font-size:12px;font-weight:500;cursor:pointer;transition:all .12s}.tf-btn:hover{border-color:var(--gold);color:var(--gold-lt)}.tf-btn.active{background:var(--gold);border-color:var(--gold);color:var(--bg);font-weight:700}.toolbar-divider{width:1px;height:20px;background:var(--border)}.limit-select{padding:4px 8px;background:var(--surface);border:1px solid var(--border);border-radius:6px;color:#c9d1d9;font-size:12px;cursor:pointer}.main-content{flex:1;display:flex;overflow:hidden;min-height:0}.chart-wrap{flex:1;position:relative;min-width:0}.chart-canvas{width:100%;height:100%}.chart-tooltip{position:absolute;top:12px;left:12px;background:#161b22ed;border:1px solid var(--border);border-radius:8px;padding:8px 12px;line-height:1.85;pointer-events:none;z-index:10;-webkit-backdrop-filter:blur(4px);backdrop-filter:blur(4px)}.chart-tooltip span{font-weight:600;font-variant-numeric:tabular-nums}.tooltip-time{color:var(--muted);margin-bottom:4px;font-size:11px}.tooltip-vol{color:var(--muted);margin-top:4px}.chart-loader{position:absolute;top:0;right:0;bottom:0;left:0;background:#0d1117cc;display:flex;flex-direction:column;align-items:center;justify-content:center;gap:12px;z-index:20;font-size:13px;color:var(--muted)}.spinner{width:32px;height:32px;border:3px solid var(--border);border-top-color:var(--gold);border-radius:50%;animation:spin .7s linear infinite}.error-msg{color:var(--down)}.stats-panel{width:220px;flex-shrink:0;background:var(--surface);border-left:1px solid var(--border);padding:14px;overflow-y:auto;display:flex;flex-direction:column;gap:10px}.stats-title{font-size:12px;font-weight:700;color:var(--muted);text-transform:uppercase;letter-spacing:.6px}.stats-grid{display:flex;flex-direction:column;gap:0}.stat-item{padding:7px 0;border-bottom:1px solid var(--border-dim)}.stat-item:last-child{border-bottom:none}.stat-label{font-size:11px;color:var(--muted)}.stat-value{font-size:13px;font-weight:600;font-variant-numeric:tabular-nums;margin-top:1px}.stats-range{font-size:10px;color:var(--muted);margin-top:auto;padding-top:8px;border-top:1px solid var(--border-dim)}.stats-loading{font-size:12px;color:var(--muted)}.up{color:var(--up)}.down{color:var(--down)}@keyframes spin{to{transform:rotate(360deg)}}@keyframes pulse{0%,to{opacity:.4}50%{opacity:1}}