:root {
    --bg-dark: #0f172a;
    --bg-card: #1e293b;
    --bg-hover: #334155;
    --text-primary: #f8fafc;
    --text-secondary: #94a3b8;
    --border: #334155;
    
    --primary: #3b82f6;
    --primary-hover: #2563eb;
    --danger: #ef4444;
    --success: #22c55e;
    
    --color-green: #22c55e;
    --color-yellow: #eab308;
    --color-red: #ef4444;
}

body.light-theme {
    --bg-dark: #e2e8f0;
    --bg-card: #f8fafc;
    --bg-hover: #cbd5e1;
    --text-primary: #0f172a;
    --text-secondary: #475569;
    --border: #94a3b8;
}

* { margin: 0; padding: 0; box-sizing: border-box; font-family: 'Inter', sans-serif; }
body { background-color: var(--bg-dark); color: var(--text-primary); overflow: hidden; transition: background-color 0.3s, color 0.3s; }
.app-container { display: flex; height: 100vh; }

.sidebar { width: 250px; background-color: var(--bg-card); border-right: 1px solid var(--border); display: flex; flex-direction: column; }
.logo { padding: 24px; display: flex; align-items: center; gap: 12px; font-size: 1.2rem; font-weight: 700; color: var(--primary); border-bottom: 1px solid var(--border); }
nav { display: flex; flex-direction: column; padding: 16px 0; }
.nav-item { padding: 12px 24px; color: var(--text-secondary); text-decoration: none; display: flex; align-items: center; gap: 12px; transition: all 0.2s; }
.nav-item:hover { background-color: var(--bg-hover); color: var(--text-primary); }
.nav-item.active { background-color: rgba(59, 130, 246, 0.1); color: var(--primary); border-right: 3px solid var(--primary); }

.main-content { flex: 1; display: flex; flex-direction: column; overflow: hidden; }
.topbar { padding: 20px 32px; display: flex; justify-content: space-between; align-items: center; border-bottom: 1px solid var(--border); background-color: var(--bg-dark); }
.topbar-left { display: flex; align-items: center; }
.view { padding: 32px; overflow-y: auto; flex: 1; }

button { cursor: pointer; border: none; outline: none; font-weight: 500; border-radius: 6px; transition: all 0.2s; }
.btn-primary { background-color: var(--primary); color: white; padding: 10px 16px; display: inline-flex; align-items: center; gap: 8px; }
.btn-primary:hover { background-color: var(--primary-hover); }
.btn-secondary { background-color: transparent; color: var(--text-primary); border: 1px solid var(--border); padding: 10px 16px; display: inline-flex; align-items: center; gap: 8px; }
.btn-secondary:hover { background-color: var(--bg-hover); }
.btn-icon { background: transparent; color: var(--text-secondary); padding: 8px; font-size: 1.1rem; }
.btn-icon:hover { color: var(--text-primary); }
.btn-icon.delete:hover { color: var(--danger); }
.btn-dashboard { background-color: rgba(59,130,246,0.1); color: var(--primary); border: 1px solid var(--primary); padding: 6px 12px; font-size: 0.8rem; border-radius: 4px; }
.btn-dashboard:hover { background-color: var(--primary); color: white; }
.btn-edit { background-color: rgba(234, 179, 8, 0.1); color: #facc15; border: 1px solid #facc15; padding: 6px 12px; font-size: 0.8rem; border-radius: 4px; margin: 0 5px;}
.btn-edit:hover { background-color: #facc15; color: black; }
.btn-archive { background-color: rgba(156, 163, 175, 0.1); color: #9ca3af; border: 1px solid #9ca3af; padding: 6px 12px; font-size: 0.8rem; border-radius: 4px; margin: 0 5px;}
.btn-archive:hover { background-color: #9ca3af; color: white; }

/* Toolbar & Search */
.toolbar { display: flex; justify-content: space-between; margin-bottom: 20px; align-items: center; }
.search-box { position: relative; width: 300px; }
.search-box i { position: absolute; left: 12px; top: 12px; color: var(--text-secondary); }
.search-box input { width: 100%; padding-left: 35px; }
.export-actions { display: flex; gap: 10px; }

.table-container { background-color: var(--bg-card); border-radius: 8px; border: 1px solid var(--border); overflow-x: auto; }
.data-table { width: 100%; border-collapse: collapse; font-size: 0.9rem; }
.data-table th, .data-table td { padding: 12px 16px; text-align: left; border-bottom: 1px solid var(--border); }
.data-table th { background-color: rgba(0,0,0,0.2); font-weight: 600; color: var(--text-secondary); }
.data-table tbody tr:hover { background-color: rgba(255,255,255,0.02); }

.cell-green { background-color: rgba(34, 197, 94, 0.15); color: #4ade80 !important; font-weight: 600;}
.cell-yellow { background-color: rgba(234, 179, 8, 0.15); color: #facc15 !important; font-weight: 600;}
.cell-red { background-color: rgba(239, 68, 68, 0.15); color: #f87171 !important; font-weight: 600;}

.form-group { display: flex; flex-direction: column; gap: 6px; margin-bottom: 16px; }
.form-row { display: flex; gap: 16px; }
.form-row .form-group { flex: 1; }
label { font-size: 0.8rem; color: var(--text-secondary); white-space: nowrap; }
input, select { background-color: var(--bg-dark); border: 1px solid var(--border); color: var(--text-primary); padding: 10px; border-radius: 6px; outline: none; width: 100%; font-size: 0.9rem;}
input:focus, select:focus { border-color: var(--primary); }

.settings-card { background-color: var(--bg-card); padding: 24px; border-radius: 8px; border: 1px solid var(--border); }

.modal-overlay { position: fixed; top: 0; left: 0; right: 0; bottom: 0; background-color: rgba(0,0,0,0.6); display: flex; align-items: center; justify-content: center; z-index: 100; }
.modal { background-color: var(--bg-card); width: 650px; max-width: 95%; border-radius: 8px; box-shadow: 0 10px 25px rgba(0,0,0,0.5); border: 1px solid var(--border); }
.modal.modal-large { width: 1000px; }
.modal-header { padding: 20px; border-bottom: 1px solid var(--border); display: flex; justify-content: space-between; align-items: center; }
.modal-body { padding: 24px; }
.btn-close { background: transparent; color: var(--text-secondary); font-size: 1.2rem; }
.btn-close:hover { color: white; }
.modal-actions { display: flex; justify-content: flex-end; gap: 12px; }

.plat-input-row { display: grid; grid-template-columns: 1fr 1fr 1fr 1fr 1fr 1fr; gap: 10px; margin-bottom: 15px; padding: 15px; background: rgba(0,0,0,0.2); border-radius: 6px; border: 1px solid var(--border); align-items: center;}
.plat-input-row h5 { grid-column: span 6; font-size: 1rem; color: var(--primary); margin-bottom: 5px; }

/* Dashboard Grid */
.product-header-card { background-color: var(--bg-card); padding: 20px 24px; border-radius: 8px; border: 1px solid var(--border); margin-bottom: 24px; }
.product-header-card h2 { color: var(--primary); margin-bottom: 5px; }
.pd-meta { color: var(--text-secondary); font-size: 0.9rem; }

.dash-grid { display: grid; grid-template-columns: repeat(auto-fill, minmax(450px, 1fr)); gap: 24px; }
.dash-card { background-color: var(--bg-card); border-radius: 8px; border: 1px solid var(--border); overflow: hidden; }
.dash-card-header { background-color: rgba(59, 130, 246, 0.1); padding: 15px 20px; border-bottom: 1px solid var(--border); font-weight: 600; color: var(--primary); }
.dash-card-body { padding: 20px; }

.dash-metrics { display: grid; grid-template-columns: 1fr 1fr; gap: 15px; margin-bottom: 20px; }
.metric-box { background: rgba(0,0,0,0.2); padding: 12px; border-radius: 6px; border: 1px solid var(--border); text-align: center; }
.metric-box span { display: block; font-size: 0.75rem; color: var(--text-secondary); margin-bottom: 4px; text-transform: uppercase; letter-spacing: 0.5px; }
.metric-box strong { font-size: 1.2rem; }

.dash-table { width: 100%; border-collapse: collapse; font-size: 0.85rem; }
.dash-table th, .dash-table td { padding: 8px; text-align: center; border: 1px solid var(--border); }
.dash-table th { background: rgba(0,0,0,0.3); color: var(--text-secondary); font-weight: 500;}

/* PRINT STYLES */
@media print {
    body { background-color: white; color: black; overflow: visible; }
    .no-print { display: none !important; }
    .sidebar { display: none !important; }
    .app-container { height: auto; display: block; }
    .main-content { overflow: visible; display: block; }
    .view { padding: 0; overflow: visible; }
    .table-container { border: none; overflow: visible; box-shadow: none; }
    .data-table th { background-color: #f1f5f9; color: black; border-color: #ccc; }
    .data-table td { border-color: #ccc; color: black; }
    .cell-green { color: green !important; background: transparent; font-weight: bold;}
    .cell-yellow { color: orange !important; background: transparent; font-weight: bold;}
    .cell-red { color: red !important; background: transparent; font-weight: bold;}
    .dash-card { border: 1px solid #ccc; page-break-inside: avoid; }
    h1, h2, h3, h4, h5 { color: black !important; }
}