:root{--bg:#f5f7fb;--surface:#fff;--ink:#172033;--muted:#6b7280;--line:#e5e9f2;--primary:#0e9384;--primary-dark:#08776c;--danger:#d92d20;--warning:#b54708;--shadow:0 12px 30px rgba(17,24,39,.07)}*{box-sizing:border-box}html,body{margin:0;min-height:100%;font-family:Tahoma,"Segoe UI",sans-serif;background:var(--bg);color:var(--ink)}a{text-decoration:none;color:inherit}button,input,select{font:inherit}.app-shell{min-height:100vh}.sidebar{position:fixed;inset:0 0 0 auto;width:252px;padding:24px 18px;background:#101828;color:#e5e7eb;display:flex;flex-direction:column;z-index:10}.brand{display:flex;gap:12px;align-items:center;padding:0 8px 26px;border-bottom:1px solid #263244}.brand-mark{display:grid;place-items:center;width:42px;height:42px;border-radius:13px;background:linear-gradient(145deg,#20c5ae,#08776c);font:bold 22px Georgia}.brand strong,.brand small{display:block}.brand small{margin-top:3px;color:#98a2b3;font-size:11px}.sidebar nav{display:grid;gap:6px;margin-top:22px}.sidebar nav a,.nav-danger{padding:12px 14px;border-radius:10px;color:#cbd5e1;background:transparent;border:0;text-align:right;width:100%;cursor:pointer}.sidebar nav a:hover,.sidebar nav a:focus{background:#1d2939;color:#fff}.logout-form{margin-top:auto}.nav-danger{color:#fda29b}.main-content{margin-right:252px;padding:30px 36px 60px}.topbar{display:flex;justify-content:space-between;align-items:center;margin-bottom:26px}.topbar h1{font-size:25px;margin:4px 0 0}.eyebrow{font-size:10px;letter-spacing:1.8px;color:var(--primary);font-weight:700}.admin-chip{background:#fff;border:1px solid var(--line);padding:9px 13px;border-radius:999px;font-size:12px;color:#475467}.admin-chip span{display:inline-block;width:7px;height:7px;background:#12b76a;border-radius:50%;margin-left:7px}.mobile-menu{display:none}.grid{display:grid;gap:18px}.stats{grid-template-columns:repeat(4,minmax(0,1fr));margin-bottom:24px}.card{background:var(--surface);border:1px solid 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rgba(16,24,40,.12);padding:32px}.login-logo{display:grid;place-items:center;width:58px;height:58px;border-radius:17px;background:var(--primary);color:#fff;font:bold 28px Georgia;margin-bottom:22px}.login-card h1{margin:0 0 8px;font-size:24px}.login-card>p{color:#667085;font-size:12px;line-height:1.9;margin-bottom:24px}.login-card .field{margin-bottom:14px}.login-card .btn{width:100%;margin-top:8px;padding:13px}.secret{direction:ltr;text-align:left;font-family:Consolas,monospace;background:#101828;color:#d1fadf;padding:12px;border-radius:10px;overflow:auto}.muted{color:var(--muted)}@media(max-width:1050px){.stats{grid-template-columns:repeat(2,1fr)}.split{grid-template-columns:1fr}}@media(max-width:760px){.sidebar{transform:translateX(105%);transition:.2s}.sidebar.open{transform:translateX(0)}.main-content{margin-right:0;padding:20px 16px 50px}.mobile-menu{display:block;border:0;background:#fff;border-radius:10px;padding:9px 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