/* Residential Dead Load Calculator — Everroux Engineering brand palette (corporate logo) */
:root {
  /* Logo colors: navy #003f5b, sage #547d63, light sage #93ac9d / #6f917c, gray #828283 */
  --ee-navy: #003f5b;
  --ee-sage: #547d63;
  --ee-sage-dark: #3d5c47;
  --ee-sage-mid: #6f917c;
  --ee-sage-light: #93ac9d;
  --ee-gray: #828283;
  --ee-gray-warm: #b8b7b5;
  --bg: #eef1ef;
  --surface: #ffffff;
  --surface-input: #f7f9f8;
  --border: #c5ccc6;
  --text: #1a2e34;
  --muted: var(--ee-gray);
  --accent: var(--ee-navy);
  --accent-secondary: var(--ee-sage);
  --accent-soft: #e6ede8;
  --danger-bg: #fdeaea;
  --danger-border: #e0a4a4;
  --danger-text: #6b1c1c;
  --pass-bg: #e8f0eb;
  --pass-border: var(--ee-sage-light);
  --pass-text: var(--ee-sage-dark);
  --radius: 0.5rem;
  --shadow: 0 1px 3px rgba(0, 63, 91, 0.08);
  --font: "Segoe UI", "Helvetica Neue", Arial, sans-serif;
}
html {
  font-size: 90%;
}

*,
*::before,
*::after {
  box-sizing: border-box;
}

body {
  margin: 0;
  font-family: var(--font);
  font-size: 1rem;
  line-height: 1.55;
  color: var(--text);
  background: var(--bg);
  padding: 1rem 0.75rem 3rem;
}

.page {
  max-width: 52rem;
  margin: 0 auto;
}

.app-header {
  margin-bottom: 1rem;
  padding-bottom: 0.85rem;
  border-bottom: 3px solid var(--ee-navy);
  box-shadow: inset 0 -6px 0 -3px var(--ee-sage);
}

.calc-tabs {
  border-top: 3px solid var(--ee-sage);
}

.panel-title {
  font-size: 1rem;
  color: var(--accent);
  margin: 0 0 0.75rem;
}

.eyebrow {
  font-size: 0.72rem;
  letter-spacing: 0.06em;
  text-transform: uppercase;
  color: var(--accent-secondary);
  margin: 0 0 0.35rem;
  font-weight: 600;
}

.app-header h1 {
  font-size: 1.35rem;
  font-weight: 650;
  line-height: 1.25;
  margin: 0 0 0.5rem;
  color: var(--accent);
}

.lede {
  margin: 0;
  color: var(--muted);
  font-size: 0.92rem;
}

.card {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  box-shadow: var(--shadow);
  padding: 1rem 1.1rem 1.2rem;
  margin-bottom: 1rem;
}

.card--results {
  border-top: 3px solid var(--accent-secondary);
}

.fieldset-label {
  font-size: 0.75rem;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.04em;
  color: var(--accent);
  margin: 1.1rem 0 0.6rem;
  padding-bottom: 0.25rem;
  border-bottom: 1px solid var(--border);
}

.fieldset-label:first-of-type {
  margin-top: 0;
}

.grid-inputs {
  display: grid;
  gap: 0.75rem 1rem;
  grid-template-columns: 1fr;
}

@media (min-width: 34rem) {
  .grid-inputs {
    grid-template-columns: repeat(2, 1fr);
  }
  .grid-inputs--3 {
    grid-template-columns: repeat(3, 1fr);
  }
  .grid-inputs--4 {
    grid-template-columns: repeat(4, 1fr);
  }
}

.field {
  display: flex;
  flex-direction: column;
  gap: 0.3rem;
}

.field--span {
  grid-column: 1 / -1;
}

.field label {
  font-size: 0.88rem;
  font-weight: 500;
}

.unit {
  color: var(--muted);
  font-weight: 400;
  font-size: 0.82rem;
}

.field input,
.field select,
.field textarea {
  width: 100%;
  padding: 0.5rem 0.55rem;
  border: 1px solid var(--border);
  border-radius: 0.375rem;
  font: inherit;
  background: var(--surface-input);
}

.field input:focus,
.field select:focus,
.field textarea:focus {
  outline: 2px solid var(--accent-soft);
  border-color: var(--accent-secondary);
}

.microhint {
  font-size: 0.76rem;
  color: var(--muted);
}

.alert {
  border-radius: var(--radius);
  padding: 0.7rem 0.9rem;
  font-size: 0.88rem;
  margin-bottom: 1rem;
  line-height: 1.45;
}

.alert--critical {
  background: var(--danger-bg);
  border: 1px solid var(--danger-border);
  color: var(--danger-text);
}

.tab-bar {
  display: flex;
  flex-wrap: wrap;
  gap: 0.25rem;
  margin-bottom: 1rem;
  border-bottom: 2px solid var(--border);
  padding-bottom: 0.5rem;
}

.tab-btn {
  flex: 1 1 auto;
  min-width: 5rem;
  padding: 0.45rem 0.5rem;
  border: 1px solid transparent;
  border-radius: 0.375rem;
  background: transparent;
  font: inherit;
  font-size: 0.82rem;
  font-weight: 600;
  color: var(--muted);
  cursor: pointer;
}

.tab-btn:hover {
  color: var(--accent);
  background: var(--accent-soft);
}

.tab-btn--active {
  background: var(--accent);
  color: #fff;
  border-color: var(--accent);
  box-shadow: inset 0 -2px 0 var(--ee-sage-light);
}

.tab-panel[hidden] {
  display: none !important;
}

.tab-footer {
  display: flex;
  justify-content: space-between;
  margin-top: 1.25rem;
  padding-top: 1rem;
  border-top: 1px solid var(--border);
}

.btn-tab-nav,
.btn-secondary,
.btn-primary {
  padding: 0.5rem 1rem;
  border-radius: 0.375rem;
  font: inherit;
  font-weight: 600;
  cursor: pointer;
}

.btn-tab-nav {
  background: var(--surface);
  border: 1px solid var(--border);
  color: var(--text);
}

.btn-tab-nav:hover:not(:disabled) {
  border-color: var(--accent-secondary);
  color: var(--accent);
}

.btn-tab-nav:disabled {
  opacity: 0.4;
  cursor: not-allowed;
}

.btn-primary {
  background: var(--accent);
  color: #fff;
  border: none;
}

.btn-primary:hover {
  background: var(--ee-sage-dark);
}

.btn-secondary {
  background: var(--surface);
  border: 1px solid var(--border);
  color: var(--text);
}

.btn-secondary:hover {
  border-color: var(--accent-secondary);
}

.assembly-list {
  list-style: none;
  padding: 0;
  margin: 0;
}

.assembly-list li {
  display: flex;
  align-items: flex-start;
  gap: 0.5rem;
  padding: 0.45rem 0;
  border-bottom: 1px solid var(--border);
}

.assembly-list li:last-child {
  border-bottom: none;
}

.assembly-list input[type="checkbox"] {
  margin-top: 0.25rem;
  accent-color: var(--accent);
}

.assembly-nav {
  display: flex;
  flex-wrap: wrap;
  gap: 0.35rem;
  margin-bottom: 1rem;
}

.asm-pill {
  padding: 0.35rem 0.65rem;
  border: 1px solid var(--border);
  border-radius: 999px;
  background: var(--surface);
  font: inherit;
  font-size: 0.78rem;
  font-weight: 600;
  color: var(--muted);
  cursor: pointer;
}

.asm-pill--active {
  background: var(--accent-soft);
  border-color: var(--accent);
  color: var(--accent);
}

.material-grid {
  display: flex;
  flex-direction: column;
  gap: 0.35rem;
  margin-bottom: 0.75rem;
}

.material-row {
  display: grid;
  grid-template-columns: 1.5rem 1fr auto;
  gap: 0.5rem;
  align-items: center;
  padding: 0.35rem 0;
  border-bottom: 1px solid var(--border);
  font-size: 0.86rem;
}

.material-row:last-child {
  border-bottom: none;
}

.wall-glazing-field {
  margin: 0.35rem 0 0.85rem;
  max-width: 14rem;
}

.wall-glazing-field input {
  width: 100%;
}

.material-row--insul {
  grid-template-columns: auto 1fr auto;
  align-items: center;
  gap: 0.4rem;
}

.material-row--insul input[type="checkbox"] {
  margin: 0;
}

.material-row--insul select {
  width: 100%;
  padding: 0.3rem 0.4rem;
  font-size: 0.86rem;
}

.material-row--sheathing {
  grid-template-columns: 1.5rem 4.5rem 5.5rem auto;
}

.material-row--sheathing select {
  width: 100%;
  min-width: 4.5rem;
  padding: 0.3rem 0.4rem;
  font-size: 0.86rem;
}

.material-row input[type="number"] {
  width: 3.5rem;
  padding: 0.25rem 0.35rem;
  font-size: 0.82rem;
}

.framing-table {
  width: 100%;
  border-collapse: collapse;
  font-size: 0.8rem;
  margin-bottom: 0.75rem;
}

.framing-table th,
.framing-table td {
  border: 1px solid var(--border);
  padding: 0.3rem 0.35rem;
  text-align: left;
}

.framing-table th {
  background: var(--ee-sage-light);
  color: var(--ee-navy);
  font-weight: 600;
  font-size: 0.72rem;
}

.framing-table input,
.framing-table select {
  width: 100%;
  min-width: 2.5rem;
  padding: 0.2rem 0.25rem;
  font-size: 0.78rem;
  border: 1px solid var(--border);
  border-radius: 0.25rem;
}

.member-type-label {
  font-weight: 600;
  font-size: 0.82rem;
}

.collapse-btn {
  display: flex;
  align-items: center;
  justify-content: space-between;
  width: 100%;
  padding: 0.5rem 0;
  border: none;
  background: none;
  font: inherit;
  font-weight: 600;
  font-size: 0.85rem;
  color: var(--accent);
  cursor: pointer;
  text-align: left;
}

.collapse-panel {
  padding-bottom: 0.5rem;
}

.collapse-panel[hidden] {
  display: none;
}

.results-table-wrap {
  overflow-x: auto;
  margin: 0.75rem 0;
}

.results-table {
  width: 100%;
  border-collapse: collapse;
  font-size: 0.82rem;
  font-variant-numeric: tabular-nums;
}

.results-table th,
.results-table td {
  border: 1px solid var(--border);
  padding: 0.4rem 0.5rem;
  text-align: left;
}

.results-table th {
  background: var(--accent);
  color: #fff;
  font-weight: 600;
  font-size: 0.75rem;
}

.result-block {
  margin-bottom: 1rem;
  padding-bottom: 0.85rem;
  border-bottom: 1px solid var(--border);
}

.result-block:last-child {
  border-bottom: none;
}

.result-label {
  display: block;
  font-size: 0.78rem;
  text-transform: uppercase;
  letter-spacing: 0.04em;
  color: var(--accent-secondary);
  margin-bottom: 0.25rem;
}

.result-value {
  font-size: 1.25rem;
  font-weight: 700;
  font-variant-numeric: tabular-nums;
  color: var(--accent);
}

.summary-textarea {
  width: 100%;
  min-height: 8rem;
  font-family: Consolas, "Courier New", monospace;
  font-size: 0.75rem;
  line-height: 1.45;
  padding: 0.65rem;
  border: 1px solid var(--border);
  border-radius: 0.375rem;
  background: var(--surface-input);
  resize: vertical;
}

.toolbar-row {
  display: flex;
  flex-wrap: wrap;
  gap: 0.5rem;
  margin-bottom: 0.75rem;
}

.combo-box {
  background: var(--accent-soft);
  border: 1px solid var(--pass-border);
  border-radius: var(--radius);
  padding: 0.75rem;
  margin-top: 1rem;
}

.storage-row {
  display: flex;
  flex-wrap: wrap;
  gap: 0.5rem;
  align-items: flex-end;
}

.storage-row .field {
  flex: 1 1 10rem;
}

.file-row {
  display: flex;
  flex-wrap: wrap;
  gap: 0.5rem;
  align-items: flex-end;
}

.file-row .field {
  flex: 1 1 12rem;
  min-width: 10rem;
}

.print-summary-root {
  display: none;
}

.print-doc {
  font-family: var(--font);
  color: #1a2e34;
  font-size: 10pt;
  line-height: 1.45;
}

.print-eyebrow {
  margin: 0 0 0.25rem;
  font-size: 9pt;
  color: #547d63;
  text-transform: uppercase;
  letter-spacing: 0.04em;
}

.print-doc h1 {
  margin: 0 0 0.5rem;
  font-size: 16pt;
  color: #003f5b;
}

.print-meta {
  margin: 0 0 1rem;
  font-size: 9pt;
  color: #828283;
}

.print-block {
  margin-bottom: 1rem;
}

.print-block h2 {
  margin: 0 0 0.35rem;
  font-size: 11pt;
  color: #003f5b;
  break-after: avoid;
  page-break-after: avoid;
}

.print-headline {
  margin: 0 0 0.5rem;
  font-size: 10pt;
}

.print-table {
  width: 100%;
  border-collapse: collapse;
  font-size: 9pt;
  margin-bottom: 0.5rem;
  break-inside: auto;
  page-break-inside: auto;
}

.print-table thead {
  display: table-header-group;
}

.print-table tr {
  break-inside: avoid;
  page-break-inside: avoid;
}

.print-table th,
.print-table td {
  border: 1px solid #c5ccc6;
  padding: 0.25rem 0.4rem;
  text-align: left;
}

.print-table th {
  background: #e6ede8;
  color: #003f5b;
}

.print-combo {
  margin: 1rem 0;
  padding: 0.5rem 0.75rem;
  border: 2px solid #547d63;
  border-radius: 0.25rem;
  font-size: 11pt;
}

.print-summary-text {
  white-space: pre-wrap;
  overflow-wrap: anywhere;
  font-family: Consolas, "Courier New", monospace;
  font-size: 8pt;
  background: #f7f9f8;
  border: 1px solid #c5ccc6;
  padding: 0.5rem;
  margin-top: 1rem;
  break-inside: auto;
  page-break-inside: auto;
}

.print-footer {
  margin-top: 1.25rem;
  padding-top: 0.5rem;
  border-top: 1px solid #c5ccc6;
  font-size: 8pt;
  color: #828283;
}

@media print {
  @page {
    size: 8.5in 11in;
    margin: 0;
  }

  html,
  body {
    width: auto;
    height: auto;
    margin: 0;
    padding: 0;
    overflow: visible;
  }

  body.print-document-body {
    width: 8.5in;
    margin: 0 auto;
    padding: 1in 0.5in;
    box-sizing: border-box;
    -webkit-box-decoration-break: clone;
    box-decoration-break: clone;
  }

  body.printing > *:not(#print-summary-root) {
    display: none !important;
  }

  body.printing #print-summary-root,
  body.print-document-body {
    display: block !important;
    position: static;
    width: 100%;
    max-width: 100%;
    margin: 0;
    padding: 0;
    box-sizing: border-box;
    overflow: visible;
  }

  body.printing #print-summary-root[hidden] {
    display: block !important;
  }

  .print-page-inset {
    width: 100%;
    max-width: 100%;
    margin: 0;
  }

  .print-doc {
    width: 100%;
    max-width: 100%;
    box-sizing: border-box;
    overflow: visible;
  }

  .print-header {
    break-inside: avoid;
    page-break-inside: avoid;
  }

  .print-block {
    break-inside: auto;
    page-break-inside: auto;
  }

  .print-table th {
    -webkit-print-color-adjust: exact;
    print-color-adjust: exact;
  }
}