:root {
  --yellow: #f1b11d;
  --red: #c1282d;
  --blue: #1c6095;
  --orange: #eb5124;
  --dark: #141414;
  --muted: #6b7280;
  --bg: #f7f8fa;
  --card: #ffffff;
  --border: #e5e7eb;
  --radius: 20px;
  --shadow: 0 10px 30px rgba(0,0,0,.08);
}
* { box-sizing: border-box; }
body { margin: 0; font-family: 'Montserrat', sans-serif; background: var(--bg); color: var(--dark); }
a { text-decoration: none; }
.app-shell { display: grid; grid-template-columns: 280px 1fr; min-height: 100vh; align-items: start; }
.sidebar { background: #111827; color: #fff; padding: 28px 20px; min-height: 100vh; height: 100vh; overflow-y: auto; overflow-x: hidden; position: sticky; top: 0; z-index: 20; }
.brand-box { background: linear-gradient(135deg, var(--yellow), var(--orange)); color: #111; border-radius: 22px; padding: 18px; margin-bottom: 24px; font-weight: 800; box-shadow: var(--shadow); }
.brand-box small, .headline small, .section-label { display: block; text-transform: uppercase; }
.brand-box small { font-size: 12px; letter-spacing: .18em; opacity: .8; margin-bottom: 6px; }
.nav-title { font-size: 12px; text-transform: uppercase; letter-spacing: .2em; opacity: .6; margin: 24px 0 12px; }
.nav-link { display: block; color: #fff; background: rgba(255,255,255,.04); border: 1px solid rgba(255,255,255,.06); padding: 13px 14px; border-radius: 14px; margin-bottom: 10px; font-size: 14px; position: relative; z-index: 25; pointer-events: auto; cursor: pointer; }
.nav-link:hover { background: rgba(241,177,29,.15); border-color: rgba(241,177,29,.35); color: #fff2c5; }
.main { padding: 28px; }
.topbar { display: flex; justify-content: space-between; align-items: center; gap: 16px; margin-bottom: 24px; }
.headline small { letter-spacing: .22em; color: var(--muted); font-weight: 700; margin-bottom: 8px; font-size: 11px; }
.headline h1, .login-card h2 { margin: 0; font-size: clamp(28px, 4vw, 44px); line-height: 1.05; }
.section-label { display: inline-block; padding: 8px 12px; border-radius: 999px; background: rgba(28,96,149,.1); color: var(--blue); font-size: 12px; font-weight: 800; letter-spacing: .08em; margin-bottom: 12px; }
.grid { display: grid; gap: 18px; }
.stats-grid { grid-template-columns: repeat(4, minmax(0, 1fr)); }
.two-col { grid-template-columns: 1.4fr .9fr; }
.card { background: var(--card); border: 1px solid var(--border); border-radius: var(--radius); box-shadow: var(--shadow); padding: 22px; }
.metric-card .value { font-size: 34px; font-weight: 800; margin-bottom: 8px; }
.muted { color: var(--muted); font-size: 14px; }
.form-grid { display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 14px; }
.single-col { grid-template-columns: 1fr; }
.field { display: flex; flex-direction: column; gap: 8px; }
label { font-size: 13px; font-weight: 700; color: #374151; }
input, select { width: 100%; border: 1px solid var(--border); border-radius: 14px; padding: 13px 14px; font: inherit; background: #fff; }
.btn { border: 0; border-radius: 14px; padding: 13px 18px; font-weight: 700; cursor: pointer; font-family: inherit; }
.btn-primary { background: var(--red); color: #fff; }
.btn-secondary { background: #fff; color: var(--dark); border: 1px solid var(--border); }
.employee-grid { display: grid; grid-template-columns: repeat(4, minmax(0, 1fr)); gap: 16px; margin-top: 18px; }
.employee-card { background: #fff; border: 1px solid var(--border); border-radius: 18px; padding: 18px; text-align: center; box-shadow: var(--shadow); }
.avatar { width: 82px; height: 82px; border-radius: 50%; background: linear-gradient(135deg, var(--yellow), var(--orange)); margin: 0 auto 14px; display: grid; place-items: center; color: #111; font-weight: 800; font-size: 26px; }
.employee-name { font-size: 16px; font-weight: 800; margin-bottom: 4px; }
.pill { display: inline-block; padding: 7px 10px; border-radius: 999px; font-size: 11px; font-weight: 800; text-transform: uppercase; letter-spacing: .08em; background: #f3f4f6; color: #374151; margin-top: 10px; }
.mini-list { display: grid; gap: 12px; margin-top: 18px; }
.mini-item { display: flex; justify-content: space-between; align-items: center; background: #fff; border: 1px solid var(--border); border-radius: 14px; padding: 14px; gap: 12px; }
.login-body { background: #eef2f7; }
.login-shell { max-width: 1200px; margin: 0 auto; padding: 32px; display: grid; grid-template-columns: 1.05fr .95fr; gap: 24px; min-height: 100vh; align-items: center; }
.login-hero { min-height: 520px; border-radius: 24px; padding: 28px; color: #fff; background: linear-gradient(rgba(17,24,39,.45), rgba(17,24,39,.6)), url('https://images.unsplash.com/photo-1517048676732-d65bc937f952?q=80&w=1200&auto=format&fit=crop') center/cover; position: relative; overflow: hidden; display:flex; flex-direction:column; justify-content:flex-end; }
.admin-note { position: absolute; right: 18px; top: 18px; background: rgba(255,255,255,.15); padding: 10px 12px; border-radius: 999px; font-size: 12px; font-weight: 700; backdrop-filter: blur(10px); }
.login-card { background: #fff; padding: 28px; border-radius: 24px; box-shadow: var(--shadow); border: 1px solid var(--border); }
.alert { background: #fee2e2; color: #991b1b; border: 1px solid #fecaca; padding: 12px 14px; border-radius: 12px; margin: 12px 0 16px; }
.demo-box { margin-top: 16px; padding: 14px; border-radius: 14px; background: #f9fafb; border: 1px solid var(--border); color: #374151; font-size: 14px; }
@media (max-width: 1200px) { .stats-grid,.employee-grid { grid-template-columns: repeat(2, minmax(0, 1fr)); } .two-col,.login-shell { grid-template-columns: 1fr; } }
@media (max-width: 900px) { .app-shell { grid-template-columns: 1fr; } .sidebar { min-height: auto; height: auto; overflow: visible; position: relative; top: auto; } .form-grid,.stats-grid,.employee-grid { grid-template-columns: 1fr; } .main,.login-shell { padding: 18px; } }

.main { position: relative; z-index: 1; }

.sidebar::-webkit-scrollbar { width: 10px; }
.sidebar::-webkit-scrollbar-track { background: rgba(255,255,255,.06); border-radius: 999px; }
.sidebar::-webkit-scrollbar-thumb { background: rgba(241,177,29,.45); border-radius: 999px; }

.alert.success { background: #dcfce7; color: #166534; border: 1px solid #bbf7d0; }
.compact-grid { grid-template-columns: repeat(2, minmax(0, 1fr)); }
@media (max-width: 900px) { .compact-grid { grid-template-columns: 1fr; } }