:root{--bg:#f3f5f9;--panel:#ffffff;--panel-soft:#eef2f8;--line:#d7dfec;--text:#122033;--muted:#5a687c;--accent:#0067d9;--accent-soft:#d9e9ff;--danger:#b93838}*{box-sizing:border-box}body,html{margin:0;padding:0;background:radial-gradient(circle at 10% 10%,#f9fbff 0,var(--bg) 45%);color:var(--text);font-family:DM Sans,Segoe UI,Tahoma,Geneva,Verdana,sans-serif}a{color:var(--accent)}button,input,select,textarea{font:inherit}.app-shell{display:grid;grid-template-columns:250px 1fr;min-height:100vh}.sidebar{background:linear-gradient(180deg,#0f1c2f,#1a2940);color:#ecf2ff;padding:24px 14px;border-right:1px solid #2a3951}.sidebar h1{font-size:16px;margin:0 0 4px}.sidebar p{margin:0 0 24px;color:#b8c8e2;font-size:13px}.nav-list{display:grid;grid-gap:8px;gap:8px}.nav-item{padding:10px 12px;border-radius:10px;color:#ecf2ff;text-decoration:none;border:1px solid transparent}.nav-item.active{background:rgba(125,174,255,.2);border-color:#6b9de0}.content{padding:20px}.panel{background:var(--panel);border:1px solid var(--line);border-radius:14px;padding:16px;margin-bottom:16px}.panel h2{margin-top:0}.grid-2{grid-template-columns:repeat(2,minmax(180px,1fr));grid-gap:10px}.grid-2,.grid-3{display:grid;gap:10px}.grid-3{grid-template-columns:repeat(3,minmax(160px,1fr));grid-gap:10px}.field{display:grid;grid-gap:4px;gap:4px}.field label{font-size:12px;color:var(--muted)}.field input,.field select,.field textarea{border:1px solid var(--line);border-radius:8px;padding:8px;background:#fff}button{border:1px solid var(--accent);background:var(--accent);color:#fff;padding:9px 13px;border-radius:8px;cursor:pointer}button.secondary{border-color:var(--line);color:var(--text);background:var(--panel-soft)}button.danger{border-color:var(--danger);background:var(--danger)}.table-wrap{overflow-x:auto}.table{width:100%;border-collapse:collapse;font-size:14px}.table td,.table th{border-bottom:1px solid var(--line);padding:10px;text-align:left;vertical-align:top}.table th{background:#f8faff}.login-wrap{min-height:100vh;display:flex;flex-direction:column;align-items:center;justify-content:center;padding:40px 20px;background:linear-gradient(168deg,#f0f4f8,#ffffff 50%,#f5f6f8);background-size:100% 100%;position:relative}.login-wrap:before{content:"";position:absolute;inset:0;background-image:radial-gradient(circle,#d7dfec 1px,transparent 0);background-size:32px 32px;opacity:.35;pointer-events:none}.login-brand{text-align:center;margin-bottom:32px;position:relative;z-index:1}.login-title{font-family:"DM Serif Display",Georgia,serif;font-size:38px;font-weight:400;color:var(--text);margin:0 0 8px;letter-spacing:-.5px;line-height:1.15}.login-tagline{font-family:DM Sans,sans-serif;font-size:15px;color:var(--muted);margin:0;font-weight:400;letter-spacing:.2px}.login-card{width:min(440px,100%);background:#ffffff;border:1px solid var(--line);border-radius:18px;padding:32px 28px 24px;box-shadow:0 4px 24px rgba(0,0,0,.06);position:relative;z-index:1}.login-form{gap:16px}.login-field,.login-form{display:flex;flex-direction:column}.login-field{gap:5px}.login-field label{font-size:13px;font-weight:500;color:var(--text)}.login-field input{border:1px solid var(--line);border-radius:10px;padding:11px 14px;font-size:15px;background:#fafbfd;color:var(--text);transition:border-color .15s,box-shadow .15s;outline:none}.login-field input::placeholder{color:#a4b0c0}.login-field input:focus{border-color:var(--accent);box-shadow:0 0 0 3px rgba(0,103,217,.1);background:#fff}.login-btn-primary{border:none;background:var(--accent);color:#fff;padding:12px 20px;border-radius:10px;font-size:15px;font-weight:600;cursor:pointer;transition:background .15s,transform .1s;letter-spacing:.2px}.login-btn-primary:hover:not(:disabled){background:#0055b3}.login-btn-primary:active:not(:disabled){transform:scale(.98)}.login-btn-primary:disabled{opacity:.6;cursor:not-allowed}.login-error{background:#fef2f2;color:#b91c1c;border:1px solid #fecaca;border-radius:10px;padding:10px 14px;font-size:14px;margin:0 0 4px;line-height:1.4}.muted{color:var(--muted)}@media (max-width:920px){.app-shell{grid-template-columns:1fr}.sidebar{position:-webkit-sticky;position:sticky;top:0;z-index:10}.nav-list{grid-template-columns:repeat(2,minmax(130px,1fr))}.grid-2,.grid-3{grid-template-columns:1fr}}