:root {
  --skv-blue: #003b73;
  --skv-light: #e8f0f8;
  --skv-accent: #0068b4;
  --border: #c0c8d0;
  --bg: #f5f7fa;
  --section-bg: #ffffff;
  --text: #1a1a1a;
  --muted: #5a6a7a;
  --green: #1a7a3a;
  --red: #c0392b;
  --yellow-bg: #fff8e1;
  --skv-yellow: rgb(255, 217, 62);
  --skv-yellow-dark: rgb(247, 204, 41);
}
* { box-sizing: border-box; margin: 0; padding: 0; }
body {
  font-family: 'Open Sans', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
  font-size: 16px;
  background: var(--bg);
  color: var(--text);
  line-height: 1.5;
}
input, select, button, textarea { font-family: inherit; }
.container { max-width: 960px; margin: 0 auto; padding: 20px; }
header {
  background: var(--skv-blue);
  color: white;
  padding: 24px 0;
  margin-bottom: 24px;
}
header .container {
  display: flex;
  justify-content: space-between;
  align-items: center;
  flex-wrap: wrap;
  gap: 12px;
}
header h1 { font-size: 1.6em; font-weight: 600; }
header .badge {
  background: rgba(255,255,255,0.15);
  padding: 6px 14px;
  border-radius: 6px;
  font-size: 0.85em;
}
.info-banner {
  background: var(--yellow-bg);
  border: 1px solid #e0c060;
  border-radius: 8px;
  padding: 14px 18px;
  margin-bottom: 24px;
  font-size: 0.9em;
  line-height: 1.6;
}
.info-banner strong { color: var(--skv-blue); }

/* Sections */
.section {
  background: var(--section-bg);
  border: 1px solid var(--border);
  border-radius: 8px;
  margin-bottom: 20px;
  overflow: hidden;
}
.section-header {
  background-color: var(--skv-yellow);
  background-image: linear-gradient(var(--skv-yellow), var(--skv-yellow-dark));
  color: black;
  padding: 12px 20px;
  font-size: 1.05em;
  font-weight: 600;
  cursor: pointer;
  user-select: none;
  display: flex;
  justify-content: space-between;
  align-items: center;
}
.section-header::after {
  content: '\25BC';
  font-size: 0.7em;
  transition: transform 0.2s;
}
.section.collapsed .section-header::after { transform: rotate(-90deg); }
.section.collapsed .section-body { display: none; }
.section-body { padding: 20px; }

/* Subsections */
.subsection {
  border: 1px solid var(--border);
  border-radius: 6px;
  margin-bottom: 16px;
  overflow: hidden;
}
.subsection > h3 {
  background: var(--skv-light);
  color: var(--skv-blue);
  padding: 10px 16px;
  font-size: 0.95em;
  font-weight: 600;
  border-bottom: 1px solid var(--border);
}
.subsection-body { padding: 16px; }

/* Form layout */
.form-row {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 16px;
  margin-bottom: 14px;
}
.form-row.three { grid-template-columns: 1fr 1fr 1fr; }
.form-group { display: flex; flex-direction: column; }
.form-group label {
  font-size: 0.82em;
  font-weight: 600;
  color: var(--muted);
  margin-bottom: 4px;
  text-transform: uppercase;
  letter-spacing: 0.03em;
}
.form-group input, .form-group select {
  padding: 10px 12px;
  border: 1px solid var(--border);
  border-radius: 6px;
  font-size: 1em;
  background: white;
  transition: border-color 0.15s;
}
.form-group input:focus, .form-group select:focus {
  outline: none;
  border-color: var(--skv-accent);
  box-shadow: 0 0 0 3px rgba(0,104,180,0.12);
}
.form-group input[type="number"] { text-align: right; }

/* Calculation rows */
.calc-row {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 8px 0;
  border-bottom: 1px solid #eee;
  gap: 12px;
}
.calc-row:last-child { border-bottom: none; }
.calc-row .label { flex: 1; font-size: 0.9em; }
.calc-row .label small {
  display: block;
  color: var(--muted);
  font-size: 0.85em;
  font-weight: normal;
}
.calc-row .operator {
  width: 24px;
  text-align: center;
  font-weight: bold;
  color: var(--muted);
  font-size: 1.1em;
  flex-shrink: 0;
}
.calc-row .value {
  min-width: 140px;
  text-align: right;
  font-weight: 600;
  font-variant-numeric: tabular-nums;
}
.calc-row.total {
  border-top: 2px solid var(--skv-blue);
  border-bottom: none;
  padding-top: 12px;
  margin-top: 4px;
}
.calc-row.total .label { font-weight: 700; }
.calc-row.total .value { color: var(--skv-blue); font-size: 1.05em; }
.calc-row input[type="number"] {
  width: 150px;
  text-align: right;
  padding: 6px 10px;
  border: 1px solid var(--border);
  border-radius: 4px;
  font-size: 0.95em;
  flex-shrink: 0;
}
.calc-row input[type="number"]:focus {
  outline: none;
  border-color: var(--skv-accent);
  box-shadow: 0 0 0 2px rgba(0,104,180,0.12);
}

/* Company tabs */
.company-tabs {
  display: flex;
  gap: 0;
  border-bottom: 2px solid var(--skv-blue);
  margin-bottom: 0;
  flex-wrap: wrap;
}
.company-tab {
  padding: 10px 20px;
  cursor: pointer;
  background: var(--skv-light);
  border: 1px solid var(--border);
  border-bottom: none;
  border-radius: 8px 8px 0 0;
  font-weight: 500;
  font-size: 0.9em;
  color: var(--muted);
  transition: all 0.15s;
  position: relative;
  top: 2px;
}
.company-tab:hover { background: white; color: var(--text); }
.company-tab.active {
  background: white;
  color: var(--skv-blue);
  font-weight: 700;
  border-color: var(--skv-blue);
  border-bottom: 2px solid white;
}
.company-tab .tab-remove {
  margin-left: 8px;
  color: var(--red);
  font-weight: bold;
  font-size: 1.1em;
  opacity: 0.5;
  cursor: pointer;
}
.company-tab .tab-remove:hover { opacity: 1; }
.add-company-tab {
  padding: 10px 16px;
  cursor: pointer;
  background: transparent;
  border: 1px dashed var(--border);
  border-bottom: none;
  border-radius: 8px 8px 0 0;
  font-weight: 600;
  font-size: 1em;
  color: var(--skv-accent);
  position: relative;
  top: 2px;
}
.add-company-tab:hover { background: var(--skv-light); }
.company-panel { display: none; }
.company-panel.active { display: block; }

/* Grundbelopp overview */
.grundbelopp-overview {
  background: var(--skv-light);
  border: 1px solid var(--border);
  border-radius: 8px;
  padding: 16px;
  margin-bottom: 20px;
}
.grundbelopp-overview h4 {
  color: var(--skv-blue);
  margin-bottom: 10px;
  font-size: 0.9em;
}
.gb-table {
  width: 100%;
  border-collapse: collapse;
  font-size: 0.88em;
}
.gb-table th, .gb-table td {
  padding: 6px 10px;
  text-align: left;
  border-bottom: 1px solid var(--border);
}
.gb-table th {
  font-weight: 600;
  color: var(--muted);
  font-size: 0.85em;
  text-transform: uppercase;
}
.gb-table td:last-child, .gb-table th:last-child { text-align: right; }
.gb-table td:nth-child(2), .gb-table th:nth-child(2) { text-align: right; }
.gb-table td:nth-child(3), .gb-table th:nth-child(3) { text-align: right; }
.gb-table tfoot td {
  font-weight: 700;
  border-top: 2px solid var(--skv-blue);
  color: var(--skv-blue);
}

/* Results */
.result-box {
  background: linear-gradient(135deg, var(--skv-blue), #004d8f);
  color: white;
  border-radius: 10px;
  padding: 24px;
  margin-top: 8px;
}
.result-box h3 { font-size: 1.1em; margin-bottom: 16px; opacity: 0.9; }
.result-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 16px;
}
.result-card {
  background: rgba(255,255,255,0.12);
  border-radius: 8px;
  padding: 16px;
}
.result-card .rc-label {
  font-size: 0.78em;
  text-transform: uppercase;
  letter-spacing: 0.05em;
  opacity: 0.8;
  margin-bottom: 6px;
}
.result-card .rc-value { font-size: 1.4em; font-weight: 700; }
.result-card .rc-sub { font-size: 0.8em; opacity: 0.7; margin-top: 4px; }
.result-card.highlight {
  background: rgba(255,255,255,0.22);
  border: 1px solid rgba(255,255,255,0.3);
}
.deklaration-summary {
  background: white;
  border-radius: 8px;
  padding: 20px;
  margin-top: 16px;
}
.deklaration-summary h4 {
  color: var(--skv-blue);
  margin-bottom: 12px;
  font-size: 0.95em;
}
.deklaration-summary .summary-row {
  display: flex;
  justify-content: space-between;
  padding: 6px 0;
  border-bottom: 1px solid #eee;
  font-size: 0.9em;
}
.deklaration-summary .summary-row:last-child { border-bottom: none; }
.deklaration-summary .summary-row .dest {
  color: var(--muted);
  font-size: 0.85em;
}

.note {
  font-size: 0.82em;
  color: var(--muted);
  margin-top: 6px;
  font-style: italic;
}
.hidden { display: none; }
.checkbox-row {
  display: flex;
  align-items: center;
  gap: 8px;
  margin-bottom: 14px;
}
.checkbox-row input[type="checkbox"] { width: 18px; height: 18px; }
.toggle-section {
  display: flex;
  align-items: center;
  gap: 8px;
  margin-bottom: 16px;
  padding: 10px 14px;
  background: var(--skv-light);
  border-radius: 6px;
  cursor: pointer;
}
.toggle-section input { width: 18px; height: 18px; cursor: pointer; }
.toggle-section label { cursor: pointer; font-weight: 500; }

/* Company result card in summary */
.company-result {
  background: white;
  color: var(--text);
  border-radius: 8px;
  padding: 16px 20px;
  margin-bottom: 12px;
}
.company-result h4 {
  color: var(--skv-blue);
  font-size: 0.95em;
  margin-bottom: 8px;
  display: flex;
  justify-content: space-between;
}
.company-result .cr-row {
  display: flex;
  justify-content: space-between;
  padding: 4px 0;
  font-size: 0.88em;
  border-bottom: 1px solid #f0f0f0;
}
.company-result .cr-row:last-child { border-bottom: none; }
.company-result .cr-row .cr-label { color: var(--muted); }

footer {
  text-align: center;
  padding: 20px;
  color: var(--muted);
  font-size: 0.8em;
}

@media (max-width: 640px) {
  .form-row, .form-row.three { grid-template-columns: 1fr; }
  .result-grid { grid-template-columns: 1fr; }
  header h1 { font-size: 1.2em; }
  .calc-row { flex-wrap: wrap; }
  .calc-row .value, .calc-row input[type="number"] { width: 100%; min-width: unset; }
  .company-tab { padding: 8px 12px; font-size: 0.82em; }
  .gb-table { font-size: 0.8em; }
}
/* ─── Share loaded banner (top) ─── */
.share-loaded-banner {
  padding: 10px 16px; border-radius: 8px; font-size: 0.9em;
  margin-bottom: 16px;
}
.share-loaded-banner.hidden { display: none; }
.share-loaded-banner.success { background: #e6f4ea; color: #1a7f37; border: 1px solid #b7e1c7; }
.share-loaded-banner.error { background: #fdecea; color: #c62828; border: 1px solid #f5c6cb; }

/* ─── Share bar ─── */
.share-bar {
  background: #fff; border: 1px solid #d0d7de; border-radius: 8px;
  padding: 14px 20px; margin-top: 20px;
}
.share-controls {
  display: flex; align-items: center; gap: 12px; flex-wrap: wrap;
}
.share-controls label {
  font-size: 0.9em; color: #555; display: flex; align-items: center; gap: 6px;
}
.share-controls select {
  padding: 5px 8px; border: 1px solid #ccc; border-radius: 4px; font-size: 0.9em;
}
.share-controls button {
  padding: 8px 18px; background: #0068b4; color: white; border: none;
  border-radius: 6px; cursor: pointer; font-size: 0.9em; font-weight: 500;
}
.share-controls button:hover { background: #005299; }
.share-result {
  display: flex; gap: 8px; margin-top: 10px; align-items: center;
}
.share-result.hidden { display: none; }
.share-result input {
  flex: 1; padding: 7px 10px; border: 1px solid #ccc; border-radius: 4px;
  font-size: 0.85em; background: #f5f7fa; color: #333;
}
.share-result button {
  padding: 7px 14px; background: #e8e8e8; border: 1px solid #ccc;
  border-radius: 4px; cursor: pointer; font-size: 0.85em;
}
.share-result button:hover { background: #ddd; }
.share-notice {
  margin-top: 8px; font-size: 0.85em; padding: 6px 10px; border-radius: 4px;
}
.share-notice.hidden { display: none; }
.share-notice.success { background: #e6f4ea; color: #1a7f37; }
.share-notice.error { background: #fdecea; color: #c62828; }

/* ─── Save dialog ─── */
.dialog-overlay {
  position: fixed; inset: 0; background: rgba(0,0,0,0.35);
  display: flex; align-items: center; justify-content: center;
  z-index: 1000; opacity: 0; transition: opacity 0.15s ease;
}
.dialog-overlay.visible { opacity: 1; }
.dialog {
  background: #fff; border-radius: 12px; padding: 28px 32px;
  max-width: 420px; width: 90%; box-shadow: 0 8px 32px rgba(0,0,0,0.18);
  transform: scale(0.95); transition: transform 0.15s ease;
}
.dialog-overlay.visible .dialog { transform: scale(1); }
.dialog h3 {
  margin: 0 0 8px; font-size: 1.1em; color: var(--skv-blue);
}
.dialog p {
  margin: 0 0 20px; font-size: 0.9em; color: var(--muted); line-height: 1.5;
}
.dialog-buttons {
  display: flex; gap: 8px; justify-content: flex-end;
}
.dialog-btn {
  padding: 9px 18px; border: none; border-radius: 6px;
  font-size: 0.88em; font-weight: 500; cursor: pointer; transition: background 0.12s;
}
.dialog-btn.cancel {
  background: #e8e8e8; color: #555;
}
.dialog-btn.cancel:hover { background: #ddd; }
.dialog-btn.overwrite {
  background: var(--skv-accent); color: white;
}
.dialog-btn.overwrite:hover { background: #005299; }
.dialog-btn.new {
  background: var(--green); color: white;
}
.dialog-btn.new:hover { background: #146330; }

@media print {
  body { background: white; font-size: 11pt; }
  header { background: white; color: black; border-bottom: 3px solid black; }
  header .badge { border: 1px solid black; }
  .section { break-inside: avoid; border: 1px solid #999; }
  .section-header { background: #eee; color: black; }
  .section.collapsed .section-body { display: block !important; }
  .company-panel { display: block !important; }
  .company-tabs, .add-company-tab { display: none; }
  .result-box { background: #eee !important; color: black !important; }
  .result-card { border: 1px solid #999; }
  .share-bar, footer { display: none; }
}