:root{--bg:#f4f7f8;--surface:#ffffff;--surface-2:#eef3f5;--surface-hover:#f5f9fa;--border:#dee7e9;--border-strong:#c0d2d6;--fg:#0b1d22;--fg-muted:#3e6772;--fg-subtle:#6a8a92;--accent:#137b91;--accent-hover:#0e6477;--accent-soft:#d6ecf0;--accent-2:#2da678;--accent-gradient:linear-gradient(135deg,#137b91,#2da678);--danger:#c43c3c;--danger-soft:#fbe5e5;--success:#2da678;--success-soft:#def3e7;--warn:#c38108;--warn-soft:#fceedb;--info:#137b91;--info-soft:#d6ecf0;--ring:rgba(19,123,145,0.22);--shadow-sm:0 1px 2px rgba(13,31,36,0.06);--shadow:0 8px 24px -8px rgba(13,31,36,0.16),0 2px 6px rgba(13,31,36,0.05);--radius-sm:6px;--radius:10px;--radius-lg:14px;--font-sans:"Inter",-apple-system,BlinkMacSystemFont,"Segoe UI",Roboto,sans-serif;--font-display:"Manrope",var(--font-sans);--font-mono:"JetBrains Mono",ui-monospace,"SF 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18px}.brand-mark{width:30px;height:30px;border-radius:8px;background:var(--accent-gradient);flex-shrink:0}.brand-name{font-family:var(--font-display);font-weight:700;font-size:16px}.brand-sub{font-size:11px;color:var(--fg-subtle)}.nav{flex-direction:column;gap:2px;margin-top:6px}.nav,.nav a{display:flex}.nav a{align-items:center;gap:10px;padding:9px 11px;border-radius:var(--radius-sm);color:var(--fg-muted);font-weight:500;font-size:13.5px}.nav a:hover{background:var(--surface-hover);color:var(--fg)}.nav a.active{background:var(--accent-soft);color:var(--accent-hover);font-weight:600}.nav .nav-section{font-size:10.5px;text-transform:uppercase;letter-spacing:.06em;color:var(--fg-subtle);padding:14px 11px 5px}.nav a.disabled{opacity:.5;pointer-events:none}.sidebar-foot{margin-top:auto;padding-top:14px;border-top:1px solid var(--border);font-size:12px;color:var(--fg-subtle)}.main{flex:1 1;min-width:0;display:flex;flex-direction:column}.topbar{display:flex;align-items:center;justify-content:space-between;padding:16px 28px;border-bottom:1px solid var(--border);background:var(--surface)}.topbar h1{font-size:20px}.topbar .sub{font-size:12.5px;color:var(--fg-subtle);margin-top:2px}.content{padding:24px 28px;max-width:1200px;width:100%}.card{background:var(--surface);border:1px solid var(--border);border-radius:var(--radius);box-shadow:var(--shadow-sm)}.card-pad{padding:18px 20px}.card-head{font-family:var(--font-display);font-weight:600;font-size:15px;margin-bottom:4px}.card-sub{font-size:12.5px;color:var(--fg-subtle)}.grid-gap{display:grid;grid-gap:16px;gap:16px}.hero{border-radius:var(--radius-lg);padding:24px 26px;color:#fff;background:var(--accent-gradient);box-shadow:var(--shadow);display:flex;justify-content:space-between;align-items:flex-start;gap:20px;flex-wrap:wrap}.hero h2{color:#fff;font-size:24px}.hero 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18px;box-shadow:var(--shadow-sm);display:block;position:relative;overflow:hidden}.stat-tile:hover{border-color:var(--border-strong)}.stat-tile.accent{background:var(--accent-soft);border-color:transparent}.stat-tile.warn{background:var(--warn-soft);border-color:transparent}.stat-tile.danger{background:var(--danger-soft);border-color:transparent}.stat-label{font-size:12px;color:var(--fg-muted);font-weight:500}.stat-value{font-family:var(--font-mono);font-size:28px;font-weight:600;margin-top:6px}.pill{display:inline-flex;align-items:center;gap:6px;font-size:12px;font-weight:600;padding:3px 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var(--ring)}.muted{color:var(--fg-subtle)}.row-actions{gap:8px}.flex-between,.row-actions{display:flex;align-items:center}.flex-between{justify-content:space-between;gap:12px;flex-wrap:wrap}.stack{display:flex;flex-direction:column;gap:16px}