* { box-sizing: border-box; }
body { margin: 0; font-family: "Microsoft JhengHei", "Segoe UI", sans-serif; background: #f5f5f5; color: #222; }
a { color: #1976d2; text-decoration: none; }
a:hover { text-decoration: underline; }

.container { max-width: 1200px; margin: 0 auto; padding: 1rem; }
.topbar { background: #263238; }
.topbar-inner { display: flex; align-items: center; justify-content: space-between; gap: 1rem; padding: 0.75rem 1rem; }
.brand a { color: #fff; font-weight: 700; }
.nav a { color: #fff; margin-right: 1rem; }
.nav a:hover { color: #b0bec5; }

.pageTitle { font-size: 1.5rem; margin: 0 0 1rem 0; color: #333; }
.card { background: #fff; border-radius: 8px; box-shadow: 0 1px 3px rgba(0,0,0,0.1); padding: 1rem; margin-bottom: 1rem; }

table { width: 100%; border-collapse: collapse; background: #fff; }
th, td { border: 1px solid #ddd; padding: 0.5rem 0.75rem; text-align: left; vertical-align: top; }
th { background: #37474f; color: #fff; }
tr:nth-child(even) { background: #fafafa; }

.btn { display: inline-block; padding: 0.4rem 0.8rem; border: none; border-radius: 4px; cursor: pointer; font-size: 0.9rem; }
.btn-primary { background: #1976d2; color: #fff; }
.btn-secondary { background: #757575; color: #fff; }
.btn-danger { background: #c62828; color: #fff; }
.btn-small { padding: 0.25rem 0.5rem; font-size: 0.85rem; }
.btn + .btn { margin-left: 0.5rem; }

input, select, textarea { padding: 0.4rem; border: 1px solid #ccc; border-radius: 4px; }
.form-row { display: flex; flex-wrap: wrap; gap: 0.75rem 1rem; align-items: end; }
.form-field { display: flex; flex-direction: column; gap: 0.25rem; min-width: 180px; }
.form-field label { font-weight: 600; font-size: 0.9rem; }
.form-actions { margin-top: 0.75rem; }

.alert { padding: 0.6rem 0.8rem; border-radius: 6px; margin: 0 0 1rem 0; }
.alert-success { background: #e8f5e9; border: 1px solid #a5d6a7; }
.alert-error { background: #ffebee; border: 1px solid #ef9a9a; }

.muted { color: #666; }

/* 報價明細階層：產品列與其下加工方式列 */
.detail-group-header { background: #e3f2fd !important; font-weight: 600; }
.detail-group-line { background: #fff !important; }
.detail-group-line td:nth-child(5) { padding-left: 1.5rem; }
.detail-toggle { width: 24px; height: 24px; padding: 0; line-height: 1; font-size: 1.1rem; cursor: pointer; border: 1px solid #ccc; border-radius: 3px; background: #fff; }
.detail-toggle:hover { background: #f0f0f0; }

/* DXF 線上檢視：SVG 嵌在 iframe 內 */
.dxf-svg-container { width: 100%; min-height: 500px; border: 1px solid #ddd; border-radius: 6px; overflow: hidden; background: #fafafa; }
.dxf-svg-iframe { width: 100%; height: 70vh; min-height: 480px; border: none; }