:root{
  --primary:#4F46E5; --primary-dark:#3730A3; --primary-light:#EEF2FF;
  --bg:#F6F7FB; --card:#FFFFFF; --border:#E5E7EB; --text:#1F2937; --muted:#6B7280;
  --success:#10B981; --success-bg:#ECFDF5;
  --warning:#F59E0B; --warning-bg:#FFFBEB;
  --danger:#EF4444; --danger-bg:#FEF2F2;
  --info:#0EA5E9; --info-bg:#F0F9FF;
  --radius:12px;
}
*{box-sizing:border-box}
body{margin:0;font-family:'Segoe UI',Tahoma,Arial,sans-serif;background:var(--bg);color:var(--text);}
a{text-decoration:none;color:inherit}

/* ===== Auth ===== */
.auth-body{display:flex;align-items:center;justify-content:center;min-height:100vh;background:linear-gradient(135deg,var(--primary) 0%,var(--primary-dark) 100%);}
.auth-card{background:var(--card);padding:40px;border-radius:var(--radius);width:100%;max-width:400px;box-shadow:0 20px 50px rgba(0,0,0,.2);}
.auth-logo{text-align:center;margin-bottom:24px;}
.logo-badge{width:56px;height:56px;background:var(--primary);color:#fff;border-radius:14px;display:flex;align-items:center;justify-content:center;font-weight:700;font-size:20px;margin:0 auto 12px;}
.auth-logo h1{font-size:20px;margin:8px 0 4px}
.muted{color:var(--muted);font-size:14px}
.auth-form label{display:block;margin:14px 0 6px;font-size:14px;font-weight:600}
.auth-form input{width:100%;padding:12px 14px;border:1px solid var(--border);border-radius:8px;font-size:15px}
.auth-form input:focus{outline:none;border-color:var(--primary)}

/* ===== Buttons ===== */
.btn{display:inline-block;padding:10px 18px;border-radius:8px;border:none;font-size:14px;font-weight:600;cursor:pointer;text-align:center;}
.btn-primary{background:var(--primary);color:#fff}
.btn-primary:hover{background:var(--primary-dark)}
.btn-outline{background:transparent;border:1px solid var(--border);color:var(--text)}
.btn-danger{background:var(--danger);color:#fff}
.btn-sm{padding:6px 12px;font-size:13px}
.btn-block{width:100%;margin-top:18px}

/* ===== App Shell ===== */
.app-shell{display:flex;min-height:100vh}
.sidebar{width:250px;background:#fff;border-left:1px solid var(--border);display:flex;flex-direction:column;position:fixed;top:0;bottom:0;right:0;z-index:100;transition:.2s}
.sidebar-logo{display:flex;align-items:center;gap:10px;padding:20px;font-weight:700;border-bottom:1px solid var(--border)}
.sidebar-nav{flex:1;padding:12px;overflow-y:auto}
.sidebar-nav a{display:block;padding:11px 14px;border-radius:8px;color:var(--muted);font-weight:600;font-size:14px;margin-bottom:2px}
.sidebar-nav a:hover{background:var(--bg)}
.sidebar-nav a.active{background:var(--primary-light);color:var(--primary)}
.notif-dot{background:var(--danger);color:#fff;border-radius:10px;font-size:11px;padding:1px 7px;margin-right:6px}
.nav-divider{font-size:11px;color:var(--muted);text-transform:uppercase;margin:16px 14px 6px;font-weight:700}
.sidebar-footer{padding:16px;border-top:1px solid var(--border)}
.user-chip{display:flex;align-items:center;gap:10px;margin-bottom:10px}
.avatar{width:36px;height:36px;border-radius:50%;background:var(--primary);color:#fff;display:flex;align-items:center;justify-content:center;font-weight:700}
.u-name{font-size:14px;font-weight:700}
.u-role{font-size:12px;color:var(--muted);text-transform:capitalize}
.main-content{margin-right:250px;padding:28px;flex:1;width:100%}
.mobile-toggle{display:none;position:fixed;top:14px;right:14px;z-index:200;background:var(--primary);color:#fff;border:none;border-radius:8px;width:40px;height:40px;font-size:18px}

/* ===== Page bits ===== */
.page-header{display:flex;justify-content:space-between;align-items:center;margin-bottom:22px;flex-wrap:wrap;gap:10px}
.page-header h1{font-size:22px;margin:0}
.card{background:var(--card);border:1px solid var(--border);border-radius:var(--radius);padding:20px}
.grid{display:grid;gap:16px}
.grid-4{grid-template-columns:repeat(4,1fr)}
.grid-2{grid-template-columns:repeat(2,1fr)}
@media(max-width:900px){.grid-4{grid-template-columns:repeat(2,1fr)}.grid-2{grid-template-columns:1fr}}

.stat-card{background:var(--card);border:1px solid var(--border);border-radius:var(--radius);padding:18px}
.stat-card .num{font-size:28px;font-weight:800;margin:4px 0}
.stat-card .label{color:var(--muted);font-size:13px;font-weight:600}

.badge{display:inline-block;padding:3px 10px;border-radius:20px;font-size:12px;font-weight:700}
.badge-pending{background:var(--warning-bg);color:var(--warning)}
.badge-progress{background:var(--info-bg);color:var(--info)}
.badge-completed{background:var(--success-bg);color:var(--success)}
.badge-waiting{background:#F3E8FF;color:#9333EA}
.badge-hold{background:var(--danger-bg);color:var(--danger)}

.priority-Low{color:var(--muted)}
.priority-Medium{color:var(--info)}
.priority-High{color:var(--warning)}
.priority-Critical{color:var(--danger);font-weight:800}

table{width:100%;border-collapse:collapse;font-size:14px}
th,td{padding:12px 10px;text-align:right;border-bottom:1px solid var(--border)}
th{color:var(--muted);font-size:12px;text-transform:uppercase;font-weight:700}
tr:hover td{background:#FAFAFB}

.filters{display:flex;gap:10px;flex-wrap:wrap;margin-bottom:16px}
.filters select,.filters input{padding:9px 12px;border:1px solid var(--border);border-radius:8px;font-size:14px}

.alert{padding:12px 16px;border-radius:8px;font-size:14px;margin-bottom:16px}
.alert-error{background:var(--danger-bg);color:var(--danger)}
.alert-success{background:var(--success-bg);color:var(--success)}

.form-group{margin-bottom:16px}
.form-group label{display:block;margin-bottom:6px;font-weight:600;font-size:14px}
.form-group input,.form-group select,.form-group textarea{width:100%;padding:10px 12px;border:1px solid var(--border);border-radius:8px;font-size:14px;font-family:inherit}
.form-row{display:grid;grid-template-columns:1fr 1fr;gap:16px}
@media(max-width:700px){.form-row{grid-template-columns:1fr}}

.timeline-item{border-right:2px solid var(--border);padding:0 0 16px 0;padding-right:16px;margin-right:6px;position:relative}
.timeline-item::before{content:'';position:absolute;right:-6px;top:2px;width:10px;height:10px;border-radius:50%;background:var(--primary)}
.timeline-time{font-size:12px;color:var(--muted)}

@media(max-width:900px){
  .sidebar{transform:translateX(100%)}
  .sidebar.open{transform:translateX(0)}
  .main-content{margin-right:0}
  .mobile-toggle{display:block}
}