:root{--bg:#f4f7fb;--surface:#fff;--surface2:#f8fafc;--text:#182230;--muted:#667085;--line:#e5eaf1;--primary:#1f5eff;--primary2:#1748c7;--danger:#c62828;--success:#16794b;--sidebar:#101828;--radius:12px;--shadow:0 6px 24px rgba(16,24,40,.06)}*{box-sizing:border-box}body{margin:0;font:14px/1.45 Inter,ui-sans-serif,system-ui,-apple-system,"Segoe UI",sans-serif;color:var(--text);background:var(--bg)}a{text-decoration:none;color:inherit}.app-shell{display:grid;grid-template-columns:230px 1fr;min-height:100vh}.sidebar{background:var(--sidebar);color:#e6edf7;padding:20px 14px;display:flex;flex-direction:column;gap:24px}.brand{display:flex;align-items:center;gap:10px;padding:2px 6px}.brand-mark{display:grid;place-items:center;width:38px;height:38px;border-radius:11px;background:linear-gradient(135deg,#2f6cff,#63a0ff);font-weight:800;color:#fff}.brand strong,.brand small{display:block}.brand small{color:#98a2b3;font-size:12px}.sidebar nav{display:grid;gap:5px}.sidebar nav a{padding:10px 12px;border-radius:9px;color:#c9d4e4}.sidebar nav a:hover{background:#1d2939;color:#fff}.sidebar-user{margin-top:auto;border-top:1px solid #344054;padding:14px 8px 0}.sidebar-user small{display:block;color:#98a2b3;overflow:hidden;text-overflow:ellipsis}.link-btn{background:none;border:0;color:#fff;padding:6px 0;cursor:pointer}.main{min-width:0}.topbar{height:72px;background:var(--surface);border-bottom:1px solid var(--line);display:flex;align-items:center;justify-content:space-between;padding:0 28px;position:sticky;top:0;z-index:5}.topbar h1{font-size:20px;margin:0}.content{padding:24px 28px}.stats{display:grid;grid-template-columns:repeat(4,minmax(0,1fr));gap:14px;margin-bottom:18px}.stat,.panel{background:var(--surface);border:1px solid var(--line);border-radius:var(--radius);box-shadow:var(--shadow)}.stat{padding:18px}.stat small{color:var(--muted);display:block}.stat strong{display:block;font-size:28px;margin-top:5px}.stat.danger 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td{border-bottom:0}.block{display:block;color:var(--muted);margin-top:3px}.badge{display:inline-flex;padding:4px 8px;border-radius:999px;font-size:11px;font-weight:700}.badge-ok{background:#e8f7ef;color:var(--success)}.badge-danger{background:#fdecec;color:var(--danger)}.badge-muted{background:#eef1f5;color:#667085}.form-grid{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:16px;max-width:920px}.form-grid label{font-weight:650;font-size:13px}.form-grid label small{font-weight:400;color:var(--muted)}input,select{width:100%;height:42px;margin-top:6px;border:1px solid #d0d7e2;border-radius:9px;background:#fff;padding:0 11px;font:inherit;color:var(--text);outline:none}input:focus,select:focus{border-color:#83a5ff;box-shadow:0 0 0 3px rgba(31,94,255,.10)}.span-2,.form-actions{grid-column:1/-1}.form-actions{justify-content:flex-end;padding-top:8px}.inline{display:flex;gap:6px;align-items:center}.inline select{margin:0;width:auto;height:34px}.alert{padding:11px 13px;border-radius:9px;margin-bottom:14px}.alert.danger{background:#fdecec;color:#8f1d1d}.login-wrap{min-height:100vh;display:grid;place-items:center;padding:20px;background:linear-gradient(145deg,#edf3ff,#f8fafc)}.login-card{width:min(420px,100%);background:#fff;border:1px solid var(--line);box-shadow:0 20px 60px rgba(16,24,40,.12);border-radius:16px;padding:28px;display:grid;gap:15px}.login-card h1{font-size:22px;margin:8px 0 2px}.login-brand{padding:0}.login-card .btn{width:100%;margin-top:4px}.error-page{min-height:100vh;display:grid;place-content:center;text-align:center;gap:8px;padding:20px}.error-page h1{font-size:52px;margin:0}@media(max-width:900px){.app-shell{grid-template-columns:1fr}.sidebar{position:static;display:block}.sidebar nav{grid-template-columns:repeat(3,1fr);margin-top:14px}.sidebar-user{display:none}.stats{grid-template-columns:repeat(2,1fr)}}@media(max-width:600px){.content{padding:16px}.topbar{padding:0 16px}.sidebar nav{grid-template-columns:repeat(2,1fr)}.stats,.form-grid{grid-template-columns:1fr}.span-2,.form-actions{grid-column:1}.form-actions{flex-direction:column-reverse;align-items:stretch}.page-actions .btn{width:100%}}