:root{--bg: #f1f5f9;--surface: #ffffff;--surface-alt: #f8fafc;--surface-hover: #f1f5f9;--border: #e2e8f0;--border-subtle: #f1f5f9;--text: #1e293b;--text-2: #334155;--text-3: #64748b;--text-4: #94a3b8;--input-bg: #ffffff;--input-border: #d1d5db;--focus-ring: rgba(37,99,235,.12);--overlay: rgba(0,0,0,.45);--shadow: 0 1px 3px rgba(0,0,0,.07), 0 1px 2px rgba(0,0,0,.04);--shadow-lg: 0 20px 60px rgba(0,0,0,.18);--sidebar-bg: #0f172a;--sidebar-hover: #1e293b;--sidebar-active: #1e3a5f;--sidebar-text: #94a3b8;--sidebar-accent: #38bdf8;--sidebar-border: #1e293b;--chart-grid: #f1f5f9;--chart-tick: #64748b;--chart-tooltip-border: #e2e8f0}[data-theme=dark]{--bg: #0f172a;--surface: #1e293b;--surface-alt: #162032;--surface-hover: #263348;--border: #334155;--border-subtle: #263348;--text: #e2e8f0;--text-2: #cbd5e1;--text-3: #94a3b8;--text-4: #64748b;--input-bg: #1e293b;--input-border: #475569;--focus-ring: rgba(56,189,248,.15);--overlay: rgba(0,0,0,.65);--shadow: 0 1px 3px rgba(0,0,0,.3), 0 1px 2px rgba(0,0,0,.2);--shadow-lg: 0 20px 60px rgba(0,0,0,.5);--sidebar-bg: #020617;--sidebar-hover: #0f172a;--sidebar-active: #1e3a5f;--sidebar-text: #64748b;--sidebar-accent: #38bdf8;--sidebar-border: #0f172a;--chart-grid: #263348;--chart-tick: #94a3b8;--chart-tooltip-border: #334155}*,*:before,*:after{box-sizing:border-box;margin:0;padding:0}body{font-family:-apple-system,BlinkMacSystemFont,Segoe UI,Roboto,sans-serif;font-size:14px;color:var(--text);background:var(--bg);transition:background .2s,color .2s}.layout{display:flex;height:100vh;overflow:hidden}.sidebar{width:230px;flex-shrink:0;background:var(--sidebar-bg);display:flex;flex-direction:column;overflow:hidden;z-index:200;transition:transform .25s ease}.sidebar-overlay{display:none;position:fixed;top:0;right:0;bottom:0;left:0;background:var(--overlay);z-index:199}.sidebar-brand{padding:20px 18px;font-size:16px;font-weight:700;color:#f8fafc;border-bottom:1px solid var(--sidebar-border);letter-spacing:.3px;flex-shrink:0}.sidebar-brand 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767px){.sidebar{position:fixed;top:0;left:0;height:100%;transform:translate(-100%)}.sidebar.open{transform:translate(0)}.sidebar-overlay.open{display:block}.hamburger{display:flex}.page-content{padding:16px 16px 80px}.config-grid,.form-row{grid-template-columns:1fr!important}.page-header{flex-wrap:wrap;gap:10px}.stat-grid{grid-template-columns:1fr 1fr}}.page-header{margin-bottom:24px;display:flex;align-items:center;justify-content:space-between}.page-title{font-size:20px;font-weight:600;color:var(--text)}.page-subtitle{font-size:13px;color:var(--text-3);margin-top:2px}.card{background:var(--surface);border-radius:10px;box-shadow:var(--shadow);overflow:hidden;border:1px solid var(--border-subtle)}.card-header{padding:14px 20px;border-bottom:1px solid 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