*,*:before,*:after{box-sizing:border-box;margin:0;padding:0}:root{--bg-base: #0D0F14;--bg-surface: #151820;--bg-raised: #1C2030;--bg-hover: #222840;--accent-blue: #3D8EF0;--accent-amber: #F0A030;--accent-teal: #2EC4A0;--accent-red: #E85050;--accent-purple: #7C6FE0;--text-primary: #E8EAF0;--text-muted: #7880A0;--text-dim: #454D6A;--border: #1E2438;--border-bright: #2A3150;--font-sans: "Inter", system-ui, sans-serif;--font-mono: "JetBrains Mono", monospace;--radius-sm: 6px;--radius-md: 10px;--radius-lg: 14px}html,body,#root{height:100%;background:var(--bg-base);color:var(--text-primary);font-family:var(--font-sans);font-size:14px;line-height:1.5;-webkit-font-smoothing:antialiased}::-webkit-scrollbar{width:6px;height:6px}::-webkit-scrollbar-track{background:var(--bg-base)}::-webkit-scrollbar-thumb{background:var(--border-bright);border-radius:3px}.layout{display:flex;height:100vh;overflow:hidden}.sidebar{width:220px;flex-shrink:0;background:var(--bg-surface);border-right:1px solid 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.15s}.btn:hover{background:var(--bg-hover);border-color:var(--text-dim)}.btn-danger{border-color:var(--accent-red);color:var(--accent-red)}.content{flex:1;overflow-y:auto;padding:24px}.kpi-grid{display:grid;grid-template-columns:repeat(4,minmax(0,1fr));gap:12px;margin-bottom:20px}.kpi-card{background:var(--bg-surface);border:1px solid var(--border);border-radius:var(--radius-md);padding:16px 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