/* Shared controls for the public free-tool calculators.
   Page chrome (type, colour, panels, fields, footer) comes from arch-public.css.
   These rules only cover calculator widgets that the public system does not name. */

body.arch {
  --surface: var(--paper);
  --card: var(--dust);
  --border: var(--rule);
  --white: var(--text);
  --muted: var(--text-3);
  --soft: var(--text-2);
  --teal-lt: rgba(61, 122, 111, 0.1);
  --red: #9b2c2c;
  --green: var(--teal-dark);
  --blue: var(--teal-dark);
  --ffm: var(--ff-num, "Space Grotesk", sans-serif);
}

.tool-tabs {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 8px;
  margin-bottom: 28px;
}

.tool-tab {
  appearance: none;
  text-align: left;
  min-height: 64px;
  padding: 14px 16px;
  border: 1px solid var(--rule-strong);
  border-radius: 2px;
  background: var(--paper);
  color: var(--text-2);
  font: 400 15px/1.4 var(--ff);
  cursor: pointer;
}

.tool-tab strong { display: block; color: var(--text); font-size: 16px; font-weight: 500; }
.tool-tab.active { background: var(--ink); color: rgba(255, 255, 255, 0.75); border-color: var(--ink); }
.tool-tab.active strong { color: #fff; }

.calc-area,
.tool-wrap {
  display: flex;
  flex-direction: column;
  gap: 20px;
  max-width: none;
  margin: 0;
  padding: 0 0 8px;
}

.form-card.panel,
.card.panel,
.result-card {
  background: var(--paper);
  color: var(--text);
  border: 1px solid var(--rule-strong);
  border-radius: 0;
  box-shadow: none;
}

.result-card { display: none; overflow: hidden; }
.result-card.visible { display: block; }

.form-card-title,
.card-title,
.result-header-title,
.cta-title,
.modal-title {
  color: var(--ink);
  font-size: 22px;
  font-weight: 500;
  letter-spacing: -0.01em;
  margin: 0 0 16px;
}

.card-sub,
.hero-note,
.field-note,
.tip,
.step-status {
  color: var(--text-3);
  font-size: 14px;
  line-height: 1.5;
}

.form-grid,
.form-grid-3,
.row2,
.dim-grid,
.fields.fields--2 {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 16px 20px;
  margin-bottom: 16px;
}

.form-grid-3 { grid-template-columns: repeat(3, minmax(0, 1fr)); }
.form-full { grid-column: 1 / -1; }
.form-group,
.dim-group,
.field { display: flex; flex-direction: column; gap: 8px; min-width: 0; }

.form-label,
.dim-label,
.unit-label,
.field label {
  font-size: 15px;
  font-weight: 500;
  color: var(--text);
  letter-spacing: 0;
  text-transform: none;
}

.form-input,
.form-select,
.modal-input,
.modal-select,
.card input,
.card select,
.field input,
.field select,
.steel-row-input,
.steel-row-select,
.wall-row input {
  width: 100%;
  min-height: 52px;
  padding: 12px 14px;
  font: 400 17px/1.3 var(--ff);
  color: var(--text);
  background: var(--paper);
  border: 1px solid var(--rule-strong);
  border-radius: 2px;
}

.form-input:focus,
.form-select:focus,
.modal-input:focus,
.modal-select:focus,
.card input:focus,
.field input:focus,
.steel-row-input:focus,
.steel-row-select:focus {
  outline: 2px solid var(--gold);
  outline-offset: 0;
  border-color: var(--ink);
}

.form-select option,
.modal-select option,
.card select option { background: var(--paper); color: var(--text); }

.unit-toggle,
.mode-toggle,
.toggle-2,
.pill-group,
.unit-pills {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  align-items: center;
  margin-bottom: 16px;
}

.mode-toggle,
.toggle-2,
.unit-pills {
  width: fit-content;
  padding: 0;
  background: transparent;
  border: 0;
}

.mode-btn,
.unit-pill,
.pill-btn,
.compass-btn,
.toggle-2 button {
  appearance: none;
  min-height: 44px;
  padding: 10px 16px;
  border: 1px solid var(--rule-strong);
  border-radius: 2px;
  background: var(--paper);
  color: var(--text);
  font: 500 15px/1 var(--ff);
  cursor: pointer;
}

.mode-btn.active,
.unit-pill.active,
.pill-btn.active,
.compass-btn.active,
.toggle-2 button.active {
  background: var(--ink);
  color: #fff;
  border-color: var(--ink);
}

.compass-grid { display: grid; grid-template-columns: repeat(4, minmax(0, 72px)); gap: 8px; margin-bottom: 8px; }
.block-grid,
.ratio-grid { display: grid; grid-template-columns: repeat(3, minmax(0, 1fr)); gap: 8px; margin-bottom: 16px; }
.ratio-grid { grid-template-columns: 1fr 1fr; }

.block-card,
.ratio-card {
  background: var(--paper);
  color: var(--text);
  border: 1px solid var(--rule-strong);
  border-radius: 2px;
  padding: 14px 16px;
  cursor: pointer;
  text-align: left;
}
.block-card.selected,
.ratio-card.selected { background: var(--ink); color: #fff; }
.block-card.selected .block-card-dim,
.ratio-card.selected .ratio-desc { color: rgba(255, 255, 255, 0.75); }
.block-card-name,
.ratio-label { display: block; font-weight: 500; font-size: 16px; }
.block-card-dim,
.ratio-desc,
.ratio-split { font-size: 14px; color: var(--text-2); }
.ratio-card.selected .ratio-split { color: #fff; }

.step-label {
  display: flex;
  align-items: center;
  gap: 10px;
  margin: 22px 0 10px;
  font-size: 15px;
  font-weight: 500;
  color: var(--text);
  text-transform: none;
  letter-spacing: 0;
}
.step-label:first-child { margin-top: 0; }
.step-num {
  width: 22px;
  height: 22px;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  background: var(--ink);
  color: #fff;
  font-size: 12px;
  font-weight: 500;
}

.wall-list { display: flex; flex-direction: column; gap: 8px; margin-bottom: 12px; }
.wall-row,
.steel-row {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 10px;
  padding: 10px 0;
  border-bottom: 1px solid var(--rule);
  background: transparent;
  border-radius: 0;
}
.wall-row input,
.steel-row input,
.steel-row select { width: auto; min-width: 88px; flex: 1; }
.wall-remove { margin-left: auto; color: #6E2418; cursor: pointer; background: none; border: 0; font: 500 14px/1 var(--ff); }

.btn-add-wall,
.btn-secondary {
  min-height: 44px;
  padding: 10px 16px;
  border: 1px solid var(--ink);
  border-radius: 2px;
  background: transparent;
  color: var(--ink);
  font: 500 15px/1 var(--ff);
  cursor: pointer;
}

.btn-calculate,
.btn-primary,
.btn-cta,
.btn-modal,
.btn-gate,
.btn-modal-signup {
  width: 100%;
  min-height: 52px;
  margin-top: 8px;
  border: 0;
  border-radius: 2px;
  background: var(--teal);
  color: #fff;
  font: 500 16px/1 var(--ff);
  cursor: pointer;
}
.btn-calculate:hover,
.btn-primary:hover,
.btn-cta:hover,
.btn-modal:hover,
.btn-gate:hover { background: var(--teal-dark); }
.btn-calculate:disabled,
.btn-primary:disabled { opacity: 0.55; cursor: not-allowed; }

.preview-wrap {
  background: var(--dust);
  border: 1px solid var(--rule);
  padding: 16px;
  display: flex;
  justify-content: center;
}
.road-tag,
.side-road-tag {
  font-size: 11px;
  letter-spacing: 0.04em;
  background: var(--ink);
  color: #fff;
  padding: 2px 6px;
}

.result-header,
.sides-table { padding: 8px 0 0; }
.result-header { display: flex; justify-content: space-between; gap: 16px; flex-wrap: wrap; align-items: baseline; border-bottom: 1px solid var(--ink); padding-bottom: 10px; }
.result-sections { display: grid; grid-template-columns: repeat(3, minmax(0, 1fr)); gap: 16px; padding: 16px 0; }
.result-section { background: var(--dust); border: 0; padding: 16px; }
.result-section-title { font-size: 13px; font-weight: 500; color: var(--text-3); margin-bottom: 10px; text-transform: none; letter-spacing: 0; }
.result-item { display: flex; justify-content: space-between; gap: 12px; padding: 6px 0; font-size: 15px; }
.result-item-value,
.result-total-badge,
.area-badge-val,
.side-setback,
.kpi-value { font-family: var(--ff-num); font-variant-numeric: tabular-nums; font-weight: 500; }
.result-total-badge,
.area-badge,
.bracket-badge {
  background: transparent;
  border: 0;
  color: var(--ink);
  padding: 0;
  font-size: 22px;
}
.area-badge-sub,
.side-setback-ft,
.side-dim,
.kpi-label { color: var(--text-3); font-size: 13px; }
.side-row { display: grid; grid-template-columns: 36px minmax(0, 1fr) auto; gap: 12px; align-items: center; padding: 14px 0; border-bottom: 1px solid var(--rule); }
.side-compass { width: 32px; height: 32px; display: flex; align-items: center; justify-content: center; border: 1px solid var(--rule-strong); font-weight: 500; }
.side-compass.road { background: var(--ink); color: #fff; border-color: var(--ink); }

.result-disclaimer,
.disclaimer-block,
.worked-example,
.live-summary,
.health-banner,
.ai-box,
.cta-card {
  margin-top: 16px;
  padding: 4px 0 4px 20px;
  background: transparent;
  border: 0;
  border-left: 1px solid var(--gold);
  border-radius: 0;
  color: var(--text-2);
  font-size: 15px;
  line-height: 1.55;
}
.live-summary { display: none; }
.live-summary.show { display: block; }
.live-row,
.dist-row { display: flex; justify-content: space-between; gap: 12px; padding: 8px 0; border-bottom: 1px solid var(--rule); font-size: 15px; }
.we-title,
.live-summary-title,
.health-title { color: var(--text); font-weight: 500; margin-bottom: 8px; }
.disclaimer-links { display: flex; flex-wrap: wrap; gap: 8px 16px; margin-top: 10px; }
.disclaimer-links a { color: var(--teal-dark); }

.dashboard-grid,
.dist-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 16px; }
.kpi-card,
.dist-card { background: var(--dust); padding: 16px; border: 0; }
.dist-card h4 { margin: 0 0 8px; font-size: 15px; font-weight: 500; color: var(--teal-dark); }

table.scenarios { width: 100%; border-collapse: collapse; font-size: 14px; }
table.scenarios th,
table.scenarios td { padding: 10px 8px; text-align: right; border-bottom: 1px solid var(--rule); color: var(--text); }
table.scenarios th:first-child,
table.scenarios td:first-child { text-align: left; }
table.scenarios th { font-weight: 500; color: var(--text-3); background: transparent; }

.assumptions { list-style: disc; padding-left: 1.2em; color: var(--text-2); }
.assumptions li { margin: 6px 0; }
.progress { display: flex; gap: 4px; margin-bottom: 8px; }
.progress-seg { flex: 1; height: 3px; background: var(--rule); }
.progress-seg.done { background: var(--teal); }
.ratio-custom-inputs { display: none; margin-top: 12px; gap: 12px; }
.ratio-custom-inputs.show { display: grid; grid-template-columns: 1fr 1fr; }
.error-msg { display: none; margin-top: 8px; color: #6E2418; }

.result-locked { position: relative; }
.result-blur { filter: blur(6px); pointer-events: none; user-select: none; }
.result-gate {
  position: absolute;
  inset: 0;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  gap: 8px;
  padding: 24px;
  text-align: center;
  background: rgba(255, 255, 255, 0.92);
  color: var(--text);
}
.gate-title { font-size: 18px; font-weight: 500; }
.gate-sub { color: var(--text-2); font-size: 15px; max-width: 28em; }

.modal-overlay {
  position: fixed;
  inset: 0;
  z-index: 4000;
  display: none;
  align-items: center;
  justify-content: center;
  padding: 24px;
  background: rgba(17, 20, 24, 0.45);
}
.modal-overlay.open { display: flex; }
.modal {
  width: min(440px, 100%);
  max-height: 90vh;
  overflow: auto;
  padding: 28px;
  background: var(--paper);
  color: var(--text);
  border: 1px solid var(--rule);
  border-radius: 0;
}
.modal-sub { color: var(--text-2); font-size: 15px; line-height: 1.5; margin: 0 0 16px; }
.modal-error { display: none; color: #6E2418; font-size: 14px; margin-bottom: 8px; }
.modal-back,
.modal-close-link { margin-top: 16px; text-align: center; font-size: 14px; color: var(--text-3); cursor: pointer; }

.toast {
  position: fixed;
  right: 16px;
  bottom: 24px;
  z-index: 4500;
  max-width: min(360px, calc(100% - 32px));
  padding: 12px 16px;
  background: var(--ink);
  color: #fff;
  transform: translateY(120%);
  transition: transform 0.2s ease;
}
.toast.show { transform: none; }
.toast.error { background: #6E2418; }

.contact-cta { margin-top: 8px; }
.spinner { width: 16px; height: 16px; border: 2px solid rgba(255,255,255,0.35); border-top-color: #fff; border-radius: 50%; animation: arch-tool-spin 0.8s linear infinite; }
@keyframes arch-tool-spin { to { transform: rotate(360deg); } }

@media (max-width: 760px) {
  .tool-tabs { grid-template-columns: 1fr 1fr; }
  .form-grid,
  .form-grid-3,
  .row2,
  .dim-grid,
  .result-sections,
  .dashboard-grid,
  .dist-grid,
  .ratio-grid,
  .ratio-custom-inputs.show,
  .block-grid { grid-template-columns: 1fr; }
  .compass-grid { grid-template-columns: repeat(4, minmax(0, 1fr)); }
  .side-setback-ft { display: none; }
  .toast { bottom: 74px; }
}