:root{--bg:#f4f6f8;--panel:#fff;--text:#1f2933;--muted:#68737d;--line:#dfe5ea;--primary:#243b53;--primary2:#334e68;--accent:#d4a24c;--danger:#a33b3b;--success:#26734d;--shadow:0 14px 40px rgba(28,39,49,.09);--radius:16px}*{box-sizing:border-box}html,body{margin:0;min-height:100%;font-family:Inter,Segoe UI,Roboto,Arial,sans-serif;background:var(--bg);color:var(--text)}body{display:flex;flex-direction:column}.topbar{min-height:76px;padding:13px clamp(18px,4vw,54px);display:flex;align-items:center;justify-content:space-between;gap:24px;background:#fff;border-bottom:1px solid var(--line);position:sticky;top:0;z-index:20}.brand{display:flex;align-items:center;gap:12px}.brand-mark{width:42px;height:42px;border-radius:12px;background:var(--primary);color:#fff;display:grid;place-items:center;font-weight:800;font-size:21px}.brand-title{font-weight:800;letter-spacing:.08em}.brand-subtitle{font-size:12px;color:var(--muted);margin-top:2px}.topnav{display:flex;align-items:center;gap:18px;flex-wrap:wrap}.topnav a{color:var(--primary);text-decoration:none;font-weight:650}.logout-link{color:var(--danger)!important}.user-chip{background:#eef2f5;border:1px solid var(--line);padding:9px 12px;border-radius:999px;font-size:13px;color:var(--muted)}.page-shell{width:min(1240px,calc(100% - 34px));margin:34px auto;flex:1}.footer{text-align:center;padding:22px;color:#87929b;font-size:13px}.auth-wrap{min-height:calc(100vh - 190px);display:grid;place-items:center}.auth-card,.form-card,.table-card,.hero-panel,.feature-card{background:var(--panel);border:1px solid var(--line);box-shadow:var(--shadow);border-radius:var(--radius)}.auth-card{width:min(470px,100%);padding:34px}.auth-card.wide{width:min(760px,100%)}.auth-heading h1,.page-heading h1,.hero-panel h1{margin:.2rem 0 .65rem;font-size:clamp(27px,4vw,40px);line-height:1.1}.auth-heading p,.page-heading p,.hero-panel p,.feature-card p{color:var(--muted);line-height:1.65}.eyebrow{display:inline-block;font-size:11px;font-weight:800;letter-spacing:.17em;color:var(--accent)}.form-grid{display:grid;gap:18px;margin-top:25px}.form-grid.two-col{grid-template-columns:repeat(2,minmax(0,1fr))}.form-grid label{display:grid;gap:7px;font-weight:650;font-size:14px}.form-grid label span small{color:var(--muted);font-weight:500}.full{grid-column:1/-1}input,select{width:100%;border:1px solid #cfd8df;background:#fff;border-radius:10px;padding:12px 13px;font:inherit;color:var(--text);outline:none}input:focus,select:focus{border-color:#8096a9;box-shadow:0 0 0 3px rgba(51,78,104,.1)}.btn{display:inline-flex;align-items:center;justify-content:center;border:0;border-radius:10px;padding:11px 16px;font:inherit;font-weight:750;text-decoration:none;cursor:pointer}.btn-primary{background:var(--primary);color:#fff}.btn-primary:hover{background:var(--primary2)}.btn-secondary{background:#edf1f4;color:var(--primary)}.btn-ghost{background:transparent;color:var(--primary);border:1px solid var(--line)}.btn-block{width:100%}.form-actions{display:flex;gap:10px}.alert{padding:13px 15px;border-radius:11px;margin:0 0 20px;border:1px solid transparent}.alert-error{background:#fff0f0;color:#8c2f2f;border-color:#f0cccc}.alert-success{background:#eefaf3;color:#216442;border-color:#cce9d8}.alert ul{margin:0;padding-left:20px}.hero-panel{padding:clamp(24px,5vw,44px);display:flex;align-items:center;justify-content:space-between;gap:30px;background:linear-gradient(135deg,#fff,#f8fafb)}.hero-panel p{max-width:760px}.version-badge{font-size:13px;background:var(--primary);color:#fff;padding:10px 14px;border-radius:999px;white-space:nowrap}.card-grid{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:20px;margin-top:22px}.feature-card{padding:24px}.feature-icon{width:42px;height:42px;border-radius:12px;display:grid;place-items:center;background:#eef2f5;color:var(--primary);font-weight:850}.feature-card h2{font-size:19px;margin:18px 0 6px}.action-card .btn{margin-top:8px}.page-heading{display:flex;align-items:end;justify-content:space-between;gap:18px;margin-bottom:22px}.page-heading h1{font-size:32px}.table-card{overflow:hidden}.table-responsive{overflow:auto}table{width:100%;border-collapse:collapse;min-width:880px}th,td{text-align:left;padding:15px 17px;border-bottom:1px solid var(--line);font-size:14px}th{background:#f7f9fa;color:#596773;font-size:12px;text-transform:uppercase;letter-spacing:.06em}tbody tr:hover{background:#fafbfc}.badge,.status{display:inline-flex;padding:5px 9px;border-radius:999px;font-size:12px;font-weight:750}.badge{background:#eef2f5;color:var(--primary)}.status-on{background:#e8f6ee;color:var(--success)}.status-off{background:#f7eaea;color:var(--danger)}.actions a{font-weight:700;color:var(--primary);text-decoration:none}.form-card{padding:28px;max-width:900px}.form-card .form-grid{margin-top:0}@media(max-width:820px){.topbar{align-items:flex-start}.topnav{justify-content:flex-end}.user-chip{display:none}.card-grid{grid-template-columns:1fr}.form-grid.two-col{grid-template-columns:1fr}.full{grid-column:auto}.page-heading,.hero-panel{align-items:flex-start;flex-direction:column}.page-shell{width:min(100% - 22px,1240px);margin:22px auto}}@media(max-width:560px){.topbar{position:static;flex-direction:column}.topnav{width:100%;justify-content:flex-start;gap:13px}.auth-card,.form-card{padding:22px}.brand-subtitle{font-size:11px}}