:root {
    --primary: #2563eb;
    --primary-dark: #1d4ed8;
    --success: #16a34a;
    --danger: #dc2626;
    --warning: #f59e0b;
    --bg: #f8fafc;
    --card: #fff;
    --text: #1e293b;
    --border: #e2e8f0;
    --radius: 8px;
}
* { margin: 0; padding: 0; box-sizing: border-box; }
body { font-family: 'Segoe UI', system-ui, -apple-system, sans-serif; background: var(--bg); color: var(--text); line-height: 1.6; }
.container { max-width: 1200px; margin: 0 auto; padding: 0 20px; }

.navbar { background: var(--primary); color: #fff; padding: 12px 0; box-shadow: 0 2px 8px rgba(0,0,0,.15); }
.navbar .container { display: flex; align-items: center; justify-content: space-between; }
.navbar h1 { font-size: 1.3rem; font-weight: 600; }
.navbar nav a { color: #fff; text-decoration: none; padding: 6px 14px; border-radius: var(--radius); transition: .2s; font-size: .9rem; }
.navbar nav a:hover, .navbar nav a.active { background: rgba(255,255,255,.2); }

.card { background: var(--card); border-radius: var(--radius); box-shadow: 0 1px 3px rgba(0,0,0,.08); padding: 24px; margin: 20px 0; }
.card h2 { font-size: 1.2rem; margin-bottom: 16px; color: var(--primary-dark); border-bottom: 2px solid var(--border); padding-bottom: 8px; }

.form-group { margin-bottom: 16px; }
.form-group label { display: block; margin-bottom: 4px; font-weight: 600; font-size: .9rem; color: #475569; }
.form-group input, .form-group select, .form-group textarea {
    width: 100%; padding: 8px 12px; border: 1px solid var(--border);
    border-radius: var(--radius); font-size: .95rem; transition: .2s;
}
.form-group input:focus, .form-group select:focus, .form-group textarea:focus {
    outline: none; border-color: var(--primary); box-shadow: 0 0 0 3px rgba(37,99,235,.1);
}
.form-row { display: grid; grid-template-columns: 1fr 1fr; gap: 16px; }
.form-row-3 { display: grid; grid-template-columns: 1fr 1fr 1fr; gap: 16px; }

.btn {
    display: inline-flex; align-items: center; gap: 6px;
    padding: 8px 18px; border: none; border-radius: var(--radius);
    cursor: pointer; font-size: .9rem; font-weight: 600; transition: .2s; text-decoration: none;
}
.btn-primary { background: var(--primary); color: #fff; }
.btn-primary:hover { background: var(--primary-dark); }
.btn-success { background: var(--success); color: #fff; }
.btn-success:hover { background: #15803d; }
.btn-danger { background: var(--danger); color: #fff; }
.btn-danger:hover { background: #b91c1c; }
.btn-warning { background: var(--warning); color: #fff; }
.btn-warning:hover { background: #d97706; }
.btn-sm { padding: 4px 10px; font-size: .8rem; }
.btn-outline { background: transparent; border: 1px solid var(--border); color: var(--text); }
.btn-outline:hover { background: var(--bg); }

table { width: 100%; border-collapse: collapse; }
table th, table td { padding: 10px 12px; text-align: left; border-bottom: 1px solid var(--border); }
table th { background: #f1f5f9; font-weight: 600; font-size: .85rem; color: #64748b; text-transform: uppercase; letter-spacing: .5px; }
table tr:hover { background: #f8fafc; }
.text-right { text-align: right; }
.text-center { text-align: center; }

.badge { display: inline-block; padding: 2px 8px; border-radius: 99px; font-size: .75rem; font-weight: 600; }
.badge-blue { background: #dbeafe; color: #1d4ed8; }
.badge-green { background: #dcfce7; color: #166534; }

.alert { padding: 12px 16px; border-radius: var(--radius); margin-bottom: 16px; font-size: .9rem; }
.alert-success { background: #dcfce7; color: #166534; border: 1px solid #bbf7d0; }
.alert-error { background: #fef2f2; color: #991b1b; border: 1px solid #fecaca; }
.alert a { color: inherit; text-decoration: underline; }

.actions { display: flex; gap: 8px; align-items: center; }

.product-selector { border: 1px solid var(--border); border-radius: var(--radius); padding: 12px; margin-bottom: 12px; background: #f8fafc; max-height: 500px; overflow-y: auto; }
.product-group-title { font-weight: 600; margin: 8px 0 4px; color: var(--primary-dark); font-size: .9rem; cursor: pointer; user-select: none; }
.product-group-title:hover { color: var(--primary); }
.product-group-title::before { content: '▶ '; font-size: .7rem; }
.product-list { display: none; padding-left: 8px; }
.product-list.open { display: block; }
.product-item { display: flex; align-items: center; gap: 8px; padding: 4px 0; font-size: .85rem; border-bottom: 1px solid #f1f5f9; }
.product-item label { display: flex; align-items: center; gap: 6px; cursor: pointer; flex: 1; font-weight: normal; margin-bottom: 0; }
.product-item .price { color: #059669; font-weight: 600; white-space: nowrap; }

.selected-items { margin-top: 16px; }
.selected-item {
    display: grid; grid-template-columns: 40px 1fr 100px 100px 60px 70px 110px 30px;
    gap: 8px; align-items: center; padding: 8px;
    border: 1px solid var(--border); border-radius: var(--radius);
    margin-bottom: 8px; background: #fff; font-size: .85rem;
}
.selected-item input { padding: 4px 6px; font-size: .85rem; }
.selected-item .remove-btn {
    background: var(--danger); color: #fff; border: none; border-radius: 50%;
    width: 24px; height: 24px; cursor: pointer; display: flex;
    align-items: center; justify-content: center; font-size: 1rem; line-height: 1;
}

.totals-box { background: linear-gradient(135deg, #eff6ff, #dbeafe); border-radius: var(--radius); padding: 20px; margin-top: 16px; }
.totals-row { display: flex; justify-content: space-between; padding: 4px 0; font-size: .95rem; }
.totals-row.grand { font-size: 1.2rem; font-weight: 700; color: var(--primary-dark); border-top: 2px solid var(--primary); padding-top: 8px; margin-top: 8px; }

.quote-view { max-width: 800px; margin: 0 auto; }
.quote-company { background: #f1f5f9; padding: 12px; border-radius: var(--radius); margin-bottom: 16px; font-size: .9rem; }
.empty-state { text-align: center; padding: 40px; color: #94a3b8; }

.search-box { position: relative; margin-bottom: 12px; }
.search-box input { width: 100%; padding: 8px 12px 8px 36px; border: 1px solid var(--border); border-radius: var(--radius); }
.search-box::before { content: '\1F50D'; position: absolute; left: 10px; top: 50%; transform: translateY(-50%); font-size: .9rem; }

.cycle-select { padding: 2px 6px; border: 1px solid var(--border); border-radius: 4px; font-size: .8rem; background: #fff; }

@media (max-width: 768px) {
    .form-row, .form-row-3 { grid-template-columns: 1fr; }
    .selected-item { grid-template-columns: 1fr; gap: 4px; }
    .navbar .container { flex-direction: column; gap: 8px; }
}
@media print {
    .navbar, .no-print { display: none !important; }
    .container { max-width: 100%; }
    .card { box-shadow: none; border: none; }
}