:root {
    --primary: #1e3a8a; 
    --secondary: #3b82f6;
    --success: #10b981;
    --warning: #f59e0b;
    --danger: #ef4444;
    --gray: #6b7280;
    --light-bg: #f3f4f6;
    --white: #ffffff;
    --text-main: #1f2937;
    --border: #e5e7eb;
}

* { margin: 0; padding: 0; box-sizing: border-box; font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif; }
body { background-color: var(--light-bg); color: var(--text-main); margin: 0; overflow-x: hidden; }

.noselect { user-select: none; -webkit-user-select: none; }
.hidden { display: none !important; }

#login-screen, #main-app { display: none; }

#login-screen.active-screen { 
    display: flex; 
    width: 100vw; 
    height: 100vh; 
    justify-content: center; 
    align-items: center; 
    background: linear-gradient(135deg, var(--primary), var(--secondary)); 
}

#main-app.active-screen { 
    display: flex; 
    height: 100vh; 
    width: 100vw; 
    overflow: hidden; 
}

.login-box { background: var(--white); padding: 40px; border-radius: 8px; box-shadow: 0 10px 25px rgba(0,0,0,0.2); width: 350px; max-width: 90%; text-align: center; }
.login-box h2 { color: var(--primary); margin-bottom: 5px; font-size: 22px; }
.login-box p { color: var(--gray); margin-bottom: 20px; font-size: 14px; }

.sidebar { 
    width: 250px; 
    min-width: 250px; 
    flex-shrink: 0; 
    background: var(--primary); 
    color: var(--white); 
    display: flex; 
    flex-direction: column; 
    z-index: 10; 
    overflow-y: auto !important; 
    overflow-x: hidden !important; 
    height: 100vh !important;
}
.sidebar::-webkit-scrollbar { width: 5px; }
.sidebar::-webkit-scrollbar-thumb { background: rgba(255,255,255,0.2); border-radius: 5px; }

.sidebar-header { padding: 20px; border-bottom: 1px solid rgba(255,255,255,0.1); }
.nav-links { list-style: none; flex-grow: 1; margin-top: 10px; }
.nav-links li { padding: 12px 20px; cursor: pointer; transition: 0.2s; border-left: 4px solid transparent; font-size: 14px; }
.nav-links li:hover, .nav-links li.active { background: rgba(255,255,255,0.1); border-left-color: var(--success); }
.nav-links li i { margin-right: 10px; width: 20px; }
.nav-header { padding: 15px 20px 5px !important; font-size: 11px !important; font-weight: bold; color: #93c5fd; text-transform: uppercase; letter-spacing: 1px; pointer-events: none; border-left: none !important; background: transparent !important; }

.sidebar-footer { padding: 20px; border-top: 1px solid rgba(255,255,255,0.1); }

.content { 
    flex-grow: 1; 
    min-width: 0; 
    overflow-y: auto; 
    padding: 30px; 
    position: relative; 
}

.page-section { display: none; }
.active-page { display: block; animation: fadeIn 0.3s ease; }
@keyframes fadeIn { from { opacity: 0; transform: translateY(5px); } to { opacity: 1; transform: translateY(0); } }

h1 { margin-bottom: 20px; color: var(--primary); font-size: 22px; }

.stats-grid { display: grid; grid-template-columns: repeat(auto-fit, minmax(200px, 1fr)); gap: 20px; margin-bottom: 30px; }
.stat-card { background: var(--white); padding: 20px; border-radius: 8px; box-shadow: 0 2px 10px rgba(0,0,0,0.05); }
.stat-card h3 { font-size: 14px; color: var(--gray); margin-bottom: 10px; }
.stat-card p { font-size: 28px; font-weight: bold; color: var(--primary); }
.dashboard-tables { display: grid; grid-template-columns: 2fr 1fr; gap: 20px; }

.card { background: var(--white); padding: 20px; border-radius: 8px; box-shadow: 0 2px 10px rgba(0,0,0,0.05); margin-bottom: 20px; }
.table-container { background: var(--white); padding: 20px; border-radius: 8px; box-shadow: 0 2px 10px rgba(0,0,0,0.05); overflow-x: auto; }
.table-header { display: flex; justify-content: space-between; align-items: center; margin-bottom: 15px; }
table { width: 100%; border-collapse: collapse; min-width: 600px; }
th, td { padding: 12px; text-align: left; border-bottom: 1px solid var(--border); font-size: 14px; }
th { color: var(--gray); font-weight: 600; }
.warning-border { border-left: 4px solid var(--warning); }

.form-grid { display: grid; grid-template-columns: repeat(auto-fit, minmax(250px, 1fr)); gap: 15px; }
.form-group { display: flex; flex-direction: column; margin-bottom: 15px; text-align: left; }
label { font-size: 13px; font-weight: 600; color: var(--gray); margin-bottom: 5px; }
input, select { padding: 10px; border: 1px solid var(--border); border-radius: 5px; outline: none; background: #fff; font-size: 14px; }
input:focus, select:focus { border-color: var(--secondary); box-shadow: 0 0 0 2px rgba(59,130,246,0.2); }

.scanner-input-group { display: flex; gap: 10px; }
.scanner-input-group input { flex-grow: 1; font-size: 15px; padding: 12px; }

.btn { padding: 10px 20px; border: none; border-radius: 5px; cursor: pointer; font-weight: 600; transition: 0.2s; display: inline-flex; align-items: center; justify-content: center; gap: 5px; font-size: 14px; }
.btn-small { padding: 5px 10px; font-size: 12px; }
.btn-primary { background: var(--secondary); color: var(--white); }
.btn-primary:hover { background: var(--primary); }
.btn-secondary { background: var(--gray); color: var(--white); }
.btn-success { background: var(--success); color: var(--white); }
.btn-warning { background: var(--warning); color: var(--white); }
.btn-danger { background: var(--danger); color: var(--white); }
#logout-btn { width: 100%; background: transparent; border: 1px solid rgba(255,255,255,0.3); color: white; }
#logout-btn:hover { background: rgba(255,255,255,0.1); }

.status-box { padding: 15px; border-radius: 8px; margin-bottom: 20px; border-left: 5px solid; }
.status-red { background: #fef2f2; border-color: var(--danger); color: #991b1b; }
.status-yellow { background: #fffbeb; border-color: var(--warning); color: #92400e; }
.status-green { background: #ecfdf5; border-color: var(--success); color: #065f46; }

.badge { padding: 3px 8px; border-radius: 12px; font-size: 12px; font-weight: bold; }
.badge-green { background: #d1fae5; color: #065f46; }
.badge-red { background: #fee2e2; color: #991b1b; }
.badge-gray { background: #f3f4f6; color: #374151; }

.toast { position: fixed; bottom: 20px; right: 20px; background: #333; color: white; padding: 15px 25px; border-radius: 5px; z-index: 1000; transition: 0.3s; }
.toast.success { background: var(--success); }
.toast.error { background: var(--danger); }

.roles-layout { display: grid; grid-template-columns: 1.5fr 1fr; gap: 20px; }
.permissions-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 15px; margin: 15px 0 25px 0; }
.toggle-item { display: flex; justify-content: space-between; align-items: center; background: #f8fafc; padding: 12px 15px; border-radius: 6px; border: 1px solid var(--border); font-size: 13px; font-weight: 600; color: var(--text-main); cursor: pointer; }
.roles-grid { display: grid; grid-template-columns: 1fr; gap: 15px; }

.switch { position: relative; display: inline-block; width: 44px; height: 24px; }
.switch input { opacity: 0; width: 0; height: 0; }
.slider { position: absolute; cursor: pointer; top: 0; left: 0; right: 0; bottom: 0; background-color: #cbd5e1; transition: .3s; border-radius: 24px; }
.slider:before { position: absolute; content: ""; height: 18px; width: 18px; left: 3px; bottom: 3px; background-color: white; transition: .3s; border-radius: 50%; box-shadow: 0 2px 4px rgba(0,0,0,0.2); }
input:checked + .slider { background-color: var(--success); }
input:checked + .slider:before { transform: translateX(20px); }

.role-card, .user-card { background: var(--white); border: 1px solid var(--border); border-radius: 8px; padding: 15px; display: flex; justify-content: space-between; align-items: center; transition: 0.2s; box-shadow: 0 2px 5px rgba(0,0,0,0.02); }
.role-card:hover, .user-card:hover { border-color: var(--secondary); box-shadow: 0 4px 10px rgba(59,130,246,0.1); }
.role-info h3, .user-info h3 { font-size: 16px; color: var(--primary); margin-bottom: 5px; }
.role-info p, .user-info p { font-size: 12px; color: var(--gray); }
.role-actions, .user-actions { display: flex; gap: 8px; }

.mobile-header { display: none; }
.sidebar-overlay { display: none; }

@media (max-width: 900px) {
    .roles-layout { grid-template-columns: 1fr; }
    .permissions-grid { grid-template-columns: 1fr; }
}

@media (max-width: 768px) {
    .content { padding: 15px; width: 100vw; }
    .dashboard-tables { grid-template-columns: 1fr; }
    .form-grid { grid-template-columns: 1fr; }

    .mobile-header { display: flex; justify-content: space-between; align-items: center; margin-bottom: 20px; padding-bottom: 10px; border-bottom: 1px solid var(--border); }
    #mobile-menu-btn { background: none; border: none; font-size: 24px; color: var(--primary); cursor: pointer; }
    
    .sidebar { position: fixed; top: 0; left: -260px; height: 100vh; z-index: 1000; transition: left 0.3s ease; box-shadow: 2px 0 10px rgba(0,0,0,0.2); }
    .sidebar.open { left: 0; }
    
    .sidebar-overlay { display: none; position: fixed; top: 0; left: 0; width: 100vw; height: 100vh; background: rgba(0,0,0,0.5); z-index: 999; }
    .sidebar-overlay.active { display: block; }
}


#print-slip { display: none; }

@media print {
    @page { margin: 0; size: auto; }
    body { margin: 0; padding: 0; background: #fff; }
    body * { visibility: hidden; }
    
    #print-slip, #print-slip * { visibility: visible; color: #000 !important; }
    
    #print-slip {
        display: block;
        position: absolute;
        left: 0;
        top: 0;
        width: 48mm !important;
        max-width: 48mm !important;
        padding: 2mm !important;
        margin: 0 !important;
        font-family: 'Courier New', Courier, monospace;
        background: #fff;
    }

    #print-slip h2 { font-size: 13px !important; margin: 0 0 3px 0 !important; text-align: center; font-weight: bold; }
    #print-slip h3 { font-size: 11px !important; margin: 0 0 5px 0 !important; text-align: center; font-weight: normal; }
    #print-slip h4 { font-size: 10px !important; margin: 0 0 8px 0 !important; text-align: center; border-bottom: 1px dashed #000 !important; padding-bottom: 5px !important; }
    
    .print-row { display: block; margin-bottom: 6px !important; }
    .print-row strong { display: block; font-size: 9px !important; text-transform: uppercase; color: #333 !important; margin-bottom: 2px !important; }
    .print-row span { display: block; font-size: 12px !important; font-weight: bold; word-break: break-word; line-height: 1.2 !important; }
    
    #qrcode { margin-top: 15px !important; display: flex; justify-content: center; }
    #qrcode img { width: 90px !important; height: 90px !important; } 
    
    .print-footer { text-align: center; margin-top: 15px !important; font-size: 9px !important; border-top: 1px dashed #000 !important; padding-top: 8px !important; }
}