:root {
  --primary: #2563eb;
  --primary-dark: #1d4ed8;
  --bg: #f8fafc;
  --card: #ffffff;
  --text: #1e293b;
  --muted: #64748b;
  --border: #e2e8f0;
  --success: #22c55e;
  --warning: #f59e0b;
  --danger: #ef4444;
  --radius: 10px;
}

* { box-sizing: border-box; margin: 0; padding: 0; }
body { font-family: 'Inter', system-ui, sans-serif; background: var(--bg); color: var(--text); }

.navbar {
  display: flex; align-items: center; justify-content: space-between;
  padding: 14px 32px; background: var(--card);
  border-bottom: 1px solid var(--border); position: sticky; top: 0; z-index: 100;
}
.navbar .brand { font-weight: 700; font-size: 1.3rem; color: var(--primary); }
.navbar nav a { margin-left: 20px; text-decoration: none; color: var(--muted); font-size: .95rem; }
.navbar nav a:hover { color: var(--primary); }

.card { background: var(--card); border-radius: var(--radius); border: 1px solid var(--border); padding: 24px; }
.card-grid { display: grid; grid-template-columns: repeat(auto-fill, minmax(300px, 1fr)); gap: 20px; }

.btn { padding: 10px 20px; border: none; border-radius: 8px; cursor: pointer; font-weight: 600; font-size: .9rem; transition: .15s; }
.btn-primary { background: var(--primary); color: #fff; }
.btn-primary:hover { background: var(--primary-dark); }
.btn-success { background: var(--success); color: #fff; }
.btn-danger { background: var(--danger); color: #fff; }
.btn-sm { padding: 6px 14px; font-size: .82rem; }
.btn-outline { background: transparent; border: 1.5px solid var(--primary); color: var(--primary); }

.form-group { margin-bottom: 16px; }
.form-group label { display: block; font-size: .85rem; font-weight: 600; margin-bottom: 6px; color: var(--muted); }
.form-group input, .form-group textarea, .form-group select {
  width: 100%; padding: 10px 14px; border: 1px solid var(--border);
  border-radius: 8px; font-size: .95rem; outline: none; transition: .15s;
}
.form-group input:focus, .form-group textarea:focus { border-color: var(--primary); }

.badge { padding: 3px 10px; border-radius: 20px; font-size: .78rem; font-weight: 600; }
.badge-pending { background: #fef3c7; color: #d97706; }
.badge-progress { background: #dbeafe; color: #2563eb; }
.badge-review { background: #f3e8ff; color: #7c3aed; }
.badge-completed { background: #dcfce7; color: #16a34a; }
.badge-high { background: #fee2e2; color: #dc2626; }
.badge-medium { background: #fef9c3; color: #ca8a04; }
.badge-low { background: #f0fdf4; color: #16a34a; }

.notif-popup {
  position: fixed; top: 80px; right: 24px; z-index: 999;
  background: var(--card); border: 1px solid var(--border);
  border-radius: var(--radius); padding: 14px 18px;
  box-shadow: 0 4px 24px rgba(0,0,0,.1);
  min-width: 280px; max-width: 360px;
  animation: slideIn .3s ease;
}
@keyframes slideIn { from { transform: translateX(40px); opacity:0; } to { transform: none; opacity:1; } }
.notif-popup .notif-type { font-size: .75rem; font-weight: 700; color: var(--primary); text-transform: uppercase; margin-bottom: 4px; }
.notif-popup .notif-msg { font-size: .9rem; }
.notif-popup .notif-close { position: absolute; top: 8px; right: 12px; cursor: pointer; color: var(--muted); }

.container { max-width: 1100px; margin: 0 auto; padding: 32px 24px; }
.page-title { font-size: 1.6rem; font-weight: 700; margin-bottom: 24px; }
.tabs { display: flex; gap: 8px; margin-bottom: 24px; border-bottom: 1px solid var(--border); }
.tab { padding: 10px 18px; cursor: pointer; font-weight: 600; color: var(--muted); border-bottom: 2px solid transparent; }
.tab.active { color: var(--primary); border-color: var(--primary); }

.auth-container { max-width: 420px; margin: 80px auto; padding: 0 16px; }
.auth-container .card { padding: 36px; }
.auth-container h2 { text-align: center; margin-bottom: 24px; font-size: 1.4rem; }
.auth-toggle { text-align: center; margin-top: 16px; font-size: .9rem; color: var(--muted); }
.auth-toggle a { color: var(--primary); cursor: pointer; text-decoration: none; font-weight: 600; }

.stars-badge { display: inline-flex; align-items: center; gap: 4px; font-weight: 700; color: var(--warning); }
.stars-badge::before { content: '⭐'; }

.table-wrap { overflow-x: auto; }
table { width: 100%; border-collapse: collapse; font-size: .9rem; }
th { background: var(--bg); padding: 10px 14px; text-align: left; font-size: .8rem; color: var(--muted); border-bottom: 1px solid var(--border); }
td { padding: 12px 14px; border-bottom: 1px solid var(--border); }
tr:hover td { background: #f8fafc; }

.stats-grid { display: grid; grid-template-columns: repeat(auto-fit, minmax(160px, 1fr)); gap: 16px; margin-bottom: 32px; }
.stat-card { background: var(--card); border: 1px solid var(--border); border-radius: var(--radius); padding: 20px; text-align: center; }
.stat-card .stat-val { font-size: 2rem; font-weight: 700; color: var(--primary); }
.stat-card .stat-label { font-size: .82rem; color: var(--muted); margin-top: 4px; }

.hidden { display: none !important; }