*,*:before,*:after{box-sizing:border-box;margin:0;padding:0}html,body{overflow-x:hidden;width:100%}:root{--bg: #0d1117;--bg-sidebar: #161b22;--bg-card: #161b22;--bg-card2: #1c2230;--bg-input: #21262d;--accent: #4361ee;--accent-light: #7b9ef8;--accent-hover: #3a52d4;--text: #e6edf3;--text-muted: #8b949e;--text-dim: #6e7681;--border: #21262d;--border-light: #30363d;--error: #f85149;--success: #3fb950;--font: "Inter", system-ui, sans-serif;--radius: 8px;--sidebar-width: 220px}body{background:var(--bg);color:var(--text);font-family:var(--font);min-height:100vh}::-webkit-scrollbar{width:5px}::-webkit-scrollbar-track{background:var(--bg)}::-webkit-scrollbar-thumb{background:var(--border-light);border-radius:3px}::-webkit-scrollbar-thumb:hover{background:var(--accent)}.btn{display:inline-flex;align-items:center;gap:6px;padding:8px 16px;border:none;border-radius:6px;font-family:var(--font);font-size:13px;font-weight:500;cursor:pointer;transition:background .15s,opacity .15s}.btn:active{opacity:.85}.btn-primary{background:var(--accent);color:#fff}.btn-primary:hover{background:var(--accent-hover)}.btn-outline{background:transparent;color:var(--text-muted);border:1px solid var(--border-light)}.btn-outline:hover{background:var(--bg-card2);color:var(--text);border-color:var(--text-dim)}.chart-card{background:var(--bg-card);border:1px solid var(--border);border-radius:var(--radius);padding:20px 24px;display:flex;flex-direction:column;gap:12px}.chart-header{display:flex;align-items:center;justify-content:space-between;gap:12px;flex-wrap:wrap}.chart-title{font-size:.875rem;font-weight:600;color:var(--text);letter-spacing:.01em}.chart-wrap{position:relative;height:320px;display:flex;align-items:center;justify-content:center}.chart-wrap--sm{height:320px}.chart-loading,.chart-error{font-size:.8rem;color:var(--text-muted);text-align:center;padding-top:40px}.chart-error{color:var(--error)}.select-input{background:var(--bg-input);border:1px solid var(--border-light);border-radius:5px;color:var(--text-muted);font-family:var(--font);font-size:12px;padding:5px 8px;outline:none;cursor:pointer;transition:border-color .15s}.select-input:hover{border-color:var(--text-dim);color:var(--text)}.select-input:focus{border-color:var(--accent);color:var(--text)}@media (max-width: 700px){.chart-card{padding:14px}}