:root{--color-bg:#f8f8f8;--color-surface:#fff;--color-surface-muted:#fafafa;--color-text:#0f172a;--color-text-secondary:#475569;--color-border:#e6e6e6;--color-border-strong:#d1d5db;--color-accent:#c8102e;--color-accent-hover:#a10d25;--radius:3px;--radius-sm:2px;--radius-lg:6px;--shadow-100:0 1px 2px rgba(0,0,0,.06);--shadow-200:0 4px 8px rgba(0,0,0,.08);--shadow-300:0 8px 24px rgba(0,0,0,.12);--focus-ring:0 0 0 3px rgba(200,16,46,.15);--spacing-1:4px;--spacing-2:8px;--spacing-3:12px;--spacing-4:16px;--spacing-5:20px;--spacing-6:24px;--spacing-8:32px;--fs-xs:11px;--fs-sm:12px;--fs-md:14px;--fs-lg:16px;--fs-xl:20px;--fs-2xl:24px}*{margin:0;padding:0;box-sizing:border-box}body,html{height:100%}body{font-family:-apple-system,BlinkMacSystemFont,Segoe UI,Roboto,sans-serif;background:var(--color-bg);color:var(--color-text);line-height:1.4}.app-container{min-height:100vh;display:flex;flex-direction:column}.app-shell{display:grid;grid-template-columns:240px 1fr;grid-template-rows:auto 1fr;min-height:100vh}.sidebar{grid-row:1/span 2;background:var(--color-surface);border-right:1px solid var(--color-border);padding:16px}.sidebar .brand{font-weight:700;font-size:var(--fs-lg);margin-bottom:16px}.nav{display:flex;flex-direction:column;gap:6px}.nav a{color:var(--color-text-secondary);text-decoration:none;padding:8px 10px;border-radius:var(--radius);font-weight:600}.nav a:hover{background:var(--color-surface-muted)}.nav a.active{color:var(--color-text);border:1px solid var(--color-border)}.topbar{grid-column:2/3;background:var(--color-surface);border-bottom:1px solid var(--color-border);padding:12px 16px;display:flex;align-items:center;justify-content:space-between}.topbar .title{font-size:var(--fs-xl);font-weight:700}.topbar .meta{color:var(--color-text-secondary);font-size:var(--fs-sm)}.app-header{background:var(--color-surface);padding:16px 24px;border-bottom:1px solid var(--color-border)}.app-header h1{font-size:18px;font-weight:600;color:var(--color-text);margin-bottom:8px}.app-header nav{display:flex;gap:16px}.app-header nav a{color:var(--color-text-secondary);text-decoration:none;font-weight:600}.app-header nav a:hover{color:var(--color-accent)}.app-main{padding:24px;max-width:1400px;margin:0 auto;width:100%}.card{background:var(--color-surface);border:1px solid var(--color-border);border-radius:var(--radius);padding:16px;box-shadow:var(--shadow-100)}.card:hover{box-shadow:var(--shadow-200)}.btn{background:var(--color-accent);color:#fff;border:1px solid var(--color-accent);padding:10px 14px;border-radius:var(--radius);font-size:var(--fs-md);font-weight:600;cursor:pointer}.btn:hover{background:var(--color-accent-hover);border-color:var(--color-accent-hover);box-shadow:var(--shadow-200)}.btn:disabled{background:#ccc;border-color:#ccc;cursor:not-allowed}.btn:focus{outline:none;box-shadow:var(--focus-ring)}.btn-secondary{background:#f2f2f2;color:var(--color-text);border:1px solid var(--color-border)}.btn-secondary:hover{background:#eaeaea}.alert{padding:12px 16px;border-radius:var(--radius);margin:12px 0;border:1px solid var(--color-border)}.alert-red{background:#fff5f5;border-left:4px solid #c8102e;color:#7a1c1c}.alert-yellow{background:#fffbeb;border-left:4px solid #f59e0b;color:#92400e}.alert-green{background:#f0fdf4;border-left:4px solid #10b981;color:#065f46}.muted{color:var(--color-text-secondary)}.grid{display:grid;grid-gap:16px;gap:16px}.section{margin-bottom:24px}h1,h2,h3,h4,label{font-weight:600;color:var(--color-text)}.kpi-card{display:grid;grid-gap:8px;gap:8px}.kpi-header{display:flex;justify-content:space-between;align-items:center;font-size:var(--fs-sm);color:var(--color-text-secondary)}.kpi-value{font-size:24px;font-weight:700}.kpi-delta{font-size:var(--fs-sm);font-weight:600}.kpi-delta.positive{color:#059669}.kpi-delta.negative{color:#c8102e}.badge,.kpi-foot{font-size:var(--fs-xs);color:var(--color-text-secondary)}.badge{display:inline-block;padding:2px 6px;border-radius:var(--radius-sm);border:1px solid var(--color-border)}.badge.crit{border-color:#c8102e;color:#7a1c1c}.badge.warn{border-color:#f59e0b;color:#92400e}.badge.ok{border-color:#10b981;color:#065f46}.table{width:100%;border-collapse:separate;border-spacing:0}.table td,.table th{padding:10px 12px;border-bottom:1px solid var(--color-border);text-align:left;font-size:var(--fs-sm)}.table thead th{font-weight:700;color:var(--color-text);background:var(--color-surface-muted)}.table tbody tr:hover{background:#fafafa}.loading{text-align:center;padding:24px;color:var(--color-text-secondary)}