:root{--bg:#0b0d10;--panel:#12151a;--panel-2:#1a1f26;--text:#e8eef6;--muted:#a4b0be;--accent:#7c5cff;--accent2:#34d399;--border:#242a33;--card:#0f1318;--danger:#ff5a5f;}
:root[data-theme='light']{--bg:#f6f8fb;--panel:#ffffff;--panel-2:#f0f3f9;--text:#0c1222;--muted:#475569;--accent:#7c5cff;--accent2:#10b981;--border:#e5e9f2;--card:#ffffff;--danger:#ef4444;}
*{box-sizing:border-box}html,body{height:100%}body{margin:0;background:var(--bg);color:var(--text);font:14px/1.5 system-ui,-apple-system,Segoe UI,Roboto,Arial,sans-serif}
a{color:var(--accent);text-decoration:none}.button{background:var(--accent);color:#fff;border:0;padding:10px 14px;border-radius:10px;cursor:pointer}.button.ghost{background:transparent;border:1px solid var(--border);color:var(--text)}
.badge{display:inline-block;padding:2px 8px;border-radius:999px;background:var(--panel-2);color:var(--muted);border:1px solid var(--border)}
.input{flex:1;padding:10px 12px;border:1px solid var(--border);border-radius:8px;background:var(--panel-2);color:var(--text)}.textarea{padding:10px 12px;border:1px solid var(--border);border-radius:8px;background:var(--panel-2);color:var(--text);width:100%}
.layout{display:grid;grid-template-columns:260px 1fr;grid-template-rows:56px 1fr;grid-template-areas:'sidebar topbar' 'sidebar main';min-height:100vh}
.sidebar{grid-area:sidebar;background:var(--panel);border-right:1px solid var(--border);display:flex;flex-direction:column}
.brand{display:flex;align-items:center;gap:10px;padding:14px 16px;border-bottom:1px solid var(--border)}.brand img{width:28px;height:28px}.brand .name{font-weight:800;letter-spacing:.3px}
.nav{padding:8px;display:flex;flex-direction:column;gap:6px}.nav a{display:flex;gap:10px;align-items:center;padding:10px 12px;border-radius:10px;color:var(--text)}.nav a:hover{background:var(--panel-2)}.nav a.active{background:var(--panel-2);border:1px solid var(--border)}
.topbar{grid-area:topbar;background:var(--panel);border-bottom:1px solid var(--border);display:flex;align-items:center;justify-content:space-between;padding:0 16px}
.main{grid-area:main;padding:18px}
.grid{display:grid;gap:16px}.grid.two{grid-template-columns:repeat(2,minmax(0,1fr))}.grid.three{grid-template-columns:repeat(3,minmax(0,1fr))}
.card{background:var(--card);border:1px solid var(--border);border-radius:12px;overflow:hidden}.card-header{padding:12px 16px;border-bottom:1px solid var(--border);font-weight:800}.card-body{padding:16px}
.table{width:100%;border-collapse:collapse}.table th,.table td{padding:10px;border-bottom:1px solid var(--border)}
.input-row{display:flex;gap:8px;align-items:center}.muted{color:var(--muted)}.toggle{background:none;border:0;color:var(--text);cursor:pointer;font-size:18px}
.kpi{display:flex;align-items:center;gap:10px;padding:12px;border-radius:12px;background:var(--panel-2);border:1px solid var(--border)}.kpi .num{font-size:24px;font-weight:900}
@media(max-width:1000px){.layout{grid-template-columns:1fr;grid-template-areas:'topbar' 'main'}.sidebar{position:fixed;left:-290px;transition:left .2s;width:260px;z-index:10;height:100vh}.sidebar.open{left:0}.grid.two{grid-template-columns:1fr}.grid.three{grid-template-columns:1fr}}
.login-wrap{display:flex;min-height:100vh;align-items:center;justify-content:center;background:linear-gradient(120deg,var(--accent),var(--accent2))}
.login-card{background:#fff;color:#0c1222;border-radius:16px;box-shadow:0 10px 30px rgba(0,0,0,.2);width:380px;overflow:hidden}.login-card .header{padding:20px 24px;font-weight:900;letter-spacing:.3px}.login-card .body{padding:20px 24px}.login-card .input{background:#f1f5f9;border-color:#e2e8f0}.login-card .button{background:#111827;color:#fff}
:root[data-theme='dark']{--bg:#0b0d10;--panel:#12151a;--panel-2:#1a1f26;--text:#e8eef6;--muted:#a4b0be;--accent:#7c5cff;--accent2:#34d399;--border:#242a33;--card:#0f1318;--danger:#ff5a5f;}
/* Desktop collapse */
body.sidebar-hidden .layout{grid-template-columns:0 1fr}
body.sidebar-hidden .sidebar{width:0; border-right:0; overflow:hidden; padding:0}
/* Ensure dark variables exist explicitly */
:root[data-theme='dark']{--bg:#0b0d10;--panel:#12151a;--panel-2:#1a1f26;--text:#e8eef6;--muted:#a4b0be;--accent:#7c5cff;--accent2:#34d399;--border:#242a33;--card:#0f1318;--danger:#ff5a5f;}