:root { font-family: Inter, Arial, sans-serif; }
body { margin: 0; background:#f4f6f8; color:#1b1e24; }
.header { display:flex; justify-content:space-between; align-items:center; background:#12355b; color:#fff; padding:16px 24px; }
#langToggle { min-width:74px; background:#fff; color:#12355b; border:2px solid #d8e2ef; border-radius:999px; padding:8px 14px; font-weight:700; cursor:pointer; }
.company-info, main { max-width:1080px; margin:16px auto; background:#fff; padding:16px; border-radius:10px; box-shadow:0 2px 8px rgba(0,0,0,.08); }
.grid { display:grid; grid-template-columns:repeat(auto-fit,minmax(260px,1fr)); gap:12px; }
label { display:flex; flex-direction:column; font-size:14px; gap:4px; }
input, select, textarea { padding:9px; border:1px solid #ccd5df; border-radius:8px; font:inherit; }
fieldset { border:1px solid #dde3ea; border-radius:8px; padding:10px; margin:10px 0; }
legend { font-weight:700; }
.actions { display:flex; justify-content:space-between; margin-top:14px; }
button { background:#12355b; color:#fff; border:none; border-radius:8px; padding:10px 16px; cursor:pointer; }
button[disabled] { opacity:.5; cursor:not-allowed; }
.badge { display:inline-block; margin-right:8px; padding:4px 8px; border-radius:999px; font-size:12px; }
.warn { background:#ffe7c2; }
.alert { background:#ffd4d4; }
#status { font-weight:600; }
.small { color:#4a5568; font-size:12px; margin-top:4px; }

.project-grid { align-items:start; }
.project-top { grid-column: span 1; }
@media (min-width: 900px) {
  .project-grid { grid-template-columns: repeat(2, minmax(320px, 1fr)); }
}

.selected-pairs { margin-top: 12px; border:1px solid #e1e7ef; border-radius:8px; padding:10px; }
.pair-group h4 { margin:8px 0 4px; color:#12355b; }
.pair-group ul { margin:0; padding-left:18px; }
.pair-group li { margin:4px 0; }
.remove-pair { margin-left:8px; background:#8b1d1d; padding:4px 8px; font-size:12px; }
#addPairBtn { width: fit-content; margin-top: 24px; }
.pair-card { border:1px solid #dbe4ef; border-radius:8px; padding:10px; margin:10px 0; background:#fff; }
.pair-title { margin-bottom:8px; color:#12355b; }



.final-spec { border:1px solid #dbe4ef; border-radius:10px; padding:14px; background:#fcfdff; }
.spec-header h3 { margin:0 0 4px; color:#12355b; }
.spec-grid { display:grid; grid-template-columns:repeat(auto-fit,minmax(260px,1fr)); gap:8px 14px; margin:10px 0; }
.spec-table { width:100%; border-collapse:collapse; margin-top:10px; }
.spec-table th, .spec-table td { border:1px solid #dbe4ef; padding:8px; text-align:left; }
.spec-table th { background:#eef4fb; }
.spec-table.compact th, .spec-table.compact td { padding:6px; font-size:13px; }
.spec-table .subtotal td { font-weight:600; }
.spec-table .grand td { font-weight:700; background:#f1f8ff; }

.inline-check { display:flex; flex-direction:row; align-items:center; gap:8px; margin-top:12px; font-weight:600; }
.inline-check input { width:auto; }