:root{--navy:#0b1220;--navy2:#111c31;--ink:#172033;--muted:#718096;--line:#e7ebf2;--surface:#fff;--bg:#f4f6fa;--accent:#2563eb;--accent2:#1d4ed8;--danger:#b42318;--success:#067647;--warning:#b54708;font-family:"Segoe UI",Tahoma,Arial,sans-serif;color:var(--ink)}*{box-sizing:border-box}body{margin:0;background:var(--bg)}button,input{font:inherit}.login-body{min-height:100vh;background:radial-gradient(circle at 15% 15%,#1d4ed8 0,transparent 25%),linear-gradient(135deg,#07101f,#111d33);display:grid;place-items:center;padding:24px}.login-shell{width:min(1040px,100%);display:grid;grid-template-columns:1.05fr .95fr;background:#fff;border-radius:28px;overflow:hidden;box-shadow:0 30px 90px #0007}.login-brand{padding:64px;color:#fff;background:linear-gradient(145deg,#101c33,#0b1220);display:flex;flex-direction:column;justify-content:center}.login-brand h1{font-size:clamp(32px,4vw,52px);line-height:1.2;margin:18px 0}.login-brand p{color:#b8c4d8;line-height:1.8}.brand-mark{width:58px;height:58px;display:grid;place-items:center;border-radius:18px;background:linear-gradient(135deg,#3b82f6,#1d4ed8);color:#fff;font-weight:900;font-size:28px;box-shadow:0 12px 28px #1d4ed855}.brand-mark.small{width:38px;height:38px;border-radius:12px;font-size:18px}.login-card{padding:56px;display:flex;flex-direction:column;justify-content:center;gap:20px}.login-card h2{font-size:32px;margin:6px 0}.eyebrow{color:#3b82f6;font-size:13px;font-weight:800;letter-spacing:.04em;margin:0}.muted{color:var(--muted)}form{display:grid;gap:16px}label{display:grid;gap:8px;font-weight:700;font-size:14px}input{width:100%;border:1px solid #d8dee9;border-radius:12px;padding:13px 14px;outline:none;background:#fbfcfe}input:focus{border-color:#3b82f6;box-shadow:0 0 0 4px #3b82f61a}button,.button-link{border:0;border-radius:12px;padding:13px 18px;background:var(--accent);color:#fff;font-weight:800;cursor:pointer;text-decoration:none;text-align:center}button:hover{background:var(--accent2)}button.secondary{background:#fff;color:var(--ink);border:1px solid var(--line)}.alert,.warning{padding:13px 15px;border-radius:12px}.alert{background:#fff0ee;color:var(--danger);border:1px solid #ffd5d0}.warning{background:#fffaeb;color:var(--warning);border:1px solid #fedf89;margin-bottom:20px}.app-shell{min-height:100vh;display:grid;grid-template-columns:260px 1fr}.sidebar{background:var(--navy);color:#fff;padding:24px 18px;display:flex;flex-direction:column;gap:32px}.app-logo{display:flex;align-items:center;gap:12px;color:#fff;text-decoration:none;font-size:18px;font-weight:900;padding:0 8px}.sidebar nav{display:grid;gap:7px}.sidebar nav a,.sidebar nav span{padding:13px 14px;border-radius:11px;color:#aebbd0;text-decoration:none;font-weight:650}.sidebar nav .active{background:#1c2a44;color:#fff}.sidebar-foot{margin-top:auto;color:#66758e;font-size:12px;padding:10px}.workspace{padding:36px;min-width:0}.topbar{display:flex;align-items:center;justify-content:space-between;gap:20px;margin-bottom:30px}.topbar h1{margin:7px 0 5px;font-size:32px}.metric-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:18px}.metric-grid article,.panel{background:#fff;border:1px solid var(--line);border-radius:18px;padding:22px;box-shadow:0 8px 28px #1720330a}.metric-grid span{color:#61708a;font-weight:700}.metric-grid strong{display:block;font-size:34px;margin:15px 0 8px}.metric-grid small{color:#8793a6}.panel{margin-top:20px;display:flex;justify-content:space-between;align-items:center}.panel h2{margin:7px 0}.status{background:#ecfdf3;color:var(--success);padding:8px 12px;border-radius:999px;font-weight:800}.error-page{min-height:70vh;display:flex;flex-direction:column;align-items:center;justify-content:center;text-align:center;gap:15px}.error-page h1{font-size:34px;margin:8px}.error-page p{color:var(--muted)}@media(max-width:850px){.login-shell{grid-template-columns:1fr}.login-brand{padding:38px}.login-brand h1{font-size:32px}.login-card{padding:34px}.app-shell{grid-template-columns:1fr}.sidebar{display:none}.workspace{padding:22px}.metric-grid{grid-template-columns:repeat(2,1fr)}}@media(max-width:520px){.login-body{padding:12px}.login-shell{border-radius:20px}.login-brand{display:none}.login-card{padding:28px 20px}.metric-grid{grid-template-columns:1fr}.topbar{align-items:flex-start;flex-direction:column}.topbar form{width:100%}.topbar button{width:100%}}