:root{--bg-color:#121212;--text-main:#e0e0e0;--card-bg:#1e1e1e;--card-border:#333;--primary-color:#bb86fc;--secondary-color:#03dac6;--danger-color:#f44;--input-bg:#2c2c2c;--input-border:#444;--input-text:#fff;--text-muted:#888;--separator:#222;--accent-bg:#2c2c2c;--modal-overlay:rgba(0,0,0,.8);--placeholder:#bbb;--rank-gold:gold;--rank-silver:silver;--rank-bronze:#cd7f32;--chart-fill:rgba(187,134,252,.2)}body.light-mode{--bg-color:#f5f5f5;--text-main:#333;--card-bg:#fff;--card-border:#ddd;--primary-color:#6200ee;--secondary-color:#018786;--danger-color:#d32f2f;--input-bg:#fff;--input-border:#ccc;--input-text:#333;--text-muted:#666;--separator:#eee;--accent-bg:#e0e0e0;--modal-overlay:rgba(0,0,0,.5);--placeholder:#888;--rank-gold:#daa520;--rank-silver:grey;--rank-bronze:sienna;--chart-fill:rgba(98,0,238,.2)}*{box-sizing:border-box;margin:0;padding:0}body{background-color:var(--bg-color);color:var(--text-main);padding:10px;font-family:sans-serif}.container{max-width:450px;margin:0 auto}.card{background-color:var(--card-bg);border:1px solid var(--card-border);border-radius:12px;padding:15px;margin-bottom:15px;color:var(--text-main)}.stat-value{font-size:32px;font-weight:700;text-align:center;color:var(--secondary-color)}.form-label{color:var(--primary-color);font-size:12px;font-weight:700;display:block;margin-bottom:4px}.info-tooltip{display:inline-flex;align-items:center;justify-content:center;width:14px;height:14px;font-size:10px;font-weight:700;font-style:italic;font-family:serif;color:var(--text-muted);border:1.5px solid var(--text-muted);border-radius:50%;cursor:pointer;position:relative;vertical-align:middle;margin-left:3px;-webkit-user-select:none;-moz-user-select:none;user-select:none}.form-control,.form-select{background-color:var(--input-bg);border:1px solid var(--input-border);color:var(--input-text);width:100%;padding:8px 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var(--input-border);padding:4px}.admin-table td{padding:6px 4px;border-bottom:1px solid var(--separator);overflow:hidden;text-overflow:ellipsis;white-space:nowrap}.btn-delete{background:var(--danger-color)}.btn-delete,.btn-edit{color:#fff;border:none;padding:2px 5px;border-radius:3px;font-size:9px;cursor:pointer}.btn-edit{background:var(--input-border);margin-right:3px}.calendar-table{width:100%;border-collapse:collapse;table-layout:fixed}.calendar-table th{color:var(--text-main);font-size:11px;text-align:center;padding:5px 0}.calendar-table td{border:1px solid var(--card-border);height:50px;vertical-align:top;padding:2px}.day-num{font-size:10px;color:var(--text-muted)}.day-profit{font-size:9px;font-weight:700}.day-invest,.day-profit{display:block;text-align:right;padding-right:2px}.day-invest{font-size:8px;color:var(--text-muted)}.today{background-color:var(--accent-bg)}.calendar-table td.clickable{cursor:pointer}.calendar-table 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