:root {
  color-scheme: light only;
  font-family: "Source Sans 3", "Segoe UI", sans-serif;
  --bg: #eef1f6;
  --bg-deep: #e4e9f1;
  --surface: #ffffff;
  --panel: #ffffff;
  --panel-soft: #f3f5f9;
  --line: rgba(11, 21, 75, 0.1);
  --line-strong: rgba(11, 21, 75, 0.18);
  --text: #12182a;
  --muted: #5c6578;
  --accent: #0b154b;
  --accent-2: #0fa4e5;
  --accent-glow: rgba(15, 164, 229, 0.16);
  --kerf: #0fa4e5;
  --steel: #7a8499;
  --ready: #0f7a4a;
  --warn: #c45c12;
  --danger: #b42318;
  --button-text: #ffffff;
  --shadow: 0 10px 28px rgba(11, 21, 75, 0.07);
  --shadow-tight: 0 2px 8px rgba(11, 21, 75, 0.06);
  --radius-xl: 18px;
  --radius-lg: 14px;
  --radius-md: 10px;
  --font-display: "Barlow Condensed", "Arial Narrow", sans-serif;
  --font-body: "Source Sans 3", "Segoe UI", sans-serif;
  --font-mono: "IBM Plex Mono", ui-monospace, monospace;
}

* {
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
  color-scheme: light only;
}

body {
  margin: 0;
  min-height: 100vh;
  color: var(--text);
  font-family: var(--font-body);
  background:
    linear-gradient(90deg, transparent 0, transparent calc(100% - 1px), rgba(11, 21, 75, 0.035) 0) 0 0 / 48px 48px,
    linear-gradient(rgba(11, 21, 75, 0.035) 1px, transparent 1px) 0 0 / 48px 48px,
    radial-gradient(ellipse 70% 45% at 100% -10%, rgba(15, 164, 229, 0.14), transparent 55%),
    radial-gradient(ellipse 50% 40% at -5% 100%, rgba(11, 21, 75, 0.06), transparent 50%),
    linear-gradient(180deg, #f5f7fb 0%, var(--bg) 40%, var(--bg-deep) 100%);
  background-attachment: fixed;
}

a,
button,
input,
select {
  font: inherit;
}

a {
  color: inherit;
  text-decoration: none;
}

.shell {
  max-width: 1240px;
  margin: 0 auto;
  padding: 0.85rem 1rem 2.4rem;
  display: grid;
  gap: 0.75rem;
}

.shell-header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 1rem;
  padding: 0.7rem 1rem;
  border-radius: 999px;
  background: rgba(255, 255, 255, 0.88);
  border: 1px solid var(--line);
  box-shadow: var(--shadow-tight);
  backdrop-filter: blur(14px);
}

.shell-brand,
.brand-logo {
  display: flex;
  align-items: center;
  gap: 0.75rem;
  min-width: 0;
}

.brand-logo__text {
  font-family: var(--font-display);
  font-weight: 700;
  font-size: 1.35rem;
  color: var(--accent);
  letter-spacing: 0.04em;
  text-transform: uppercase;
}

.shell-main,
.page {
  display: grid;
  gap: 0.85rem;
}

.nav-menu {
  display: flex;
  align-items: center;
  gap: 0.45rem 1rem;
  flex-wrap: wrap;
  padding-inline: 0.35rem;
}

.nav-link {
  display: inline-flex;
  align-items: center;
  color: var(--accent);
  padding: 0.2rem 0;
  border-bottom: 2px solid transparent;
  font-family: var(--font-display);
  font-size: 0.95rem;
  font-weight: 600;
  letter-spacing: 0.12em;
  text-transform: uppercase;
}

.nav-link:hover,
.nav-link.active {
  color: var(--accent-2);
  border-bottom-color: var(--accent-2);
}

.nav-link:focus-visible,
.primary-button:focus-visible,
.secondary-button:focus-visible,
.meta-input:focus-visible,
.material-select:focus-visible {
  outline: 2px solid var(--accent-2);
  outline-offset: 2px;
}

/* —— Quote page —— */

.quote-page {
  gap: 1rem;
  animation: quote-in 420ms ease both;
}

@keyframes quote-in {
  from {
    opacity: 0;
    transform: translateY(8px);
  }
  to {
    opacity: 1;
    transform: none;
  }
}

.quote-hero {
  display: grid;
  grid-template-columns: 1fr;
  gap: 1rem;
  padding: 1.15rem 1.25rem;
  border-radius: var(--radius-xl);
  background:
    linear-gradient(135deg, rgba(15, 164, 229, 0.08), transparent 42%),
    var(--surface);
  border: 1px solid var(--line);
  box-shadow: var(--shadow);
  position: relative;
  overflow: hidden;
}

.quote-hero::before {
  content: "";
  position: absolute;
  left: 0;
  top: 0;
  bottom: 0;
  width: 4px;
  background: linear-gradient(180deg, var(--accent-2), var(--accent));
}

.quote-hero__eyebrow {
  margin: 0 0 0.35rem;
  font-family: var(--font-display);
  font-size: 0.85rem;
  font-weight: 600;
  letter-spacing: 0.16em;
  text-transform: uppercase;
  color: var(--accent-2);
}

.quote-hero h1 {
  margin: 0;
  font-family: var(--font-display);
  font-size: clamp(2rem, 4vw, 2.75rem);
  font-weight: 700;
  letter-spacing: 0.02em;
  line-height: 0.95;
  text-transform: uppercase;
  color: var(--accent);
}

.quote-hero__lede {
  margin: 0.55rem 0 0;
  max-width: 52ch;
  color: var(--muted);
  font-size: 0.98rem;
  line-height: 1.5;
}

.quote-rail {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 0.55rem;
}

.quote-rail__step {
  display: grid;
  grid-template-columns: auto 1fr;
  gap: 0.55rem;
  align-items: start;
  padding: 0.7rem 0.75rem;
  border-radius: var(--radius-md);
  background: rgba(11, 21, 75, 0.03);
  border: 1px solid transparent;
  position: relative;
  transition: border-color 160ms ease, background 160ms ease;
}

.quote-rail__step:hover {
  border-color: rgba(15, 164, 229, 0.28);
  background: rgba(15, 164, 229, 0.06);
}

.quote-rail__mark {
  display: grid;
  place-items: center;
  width: 1.55rem;
  height: 1.55rem;
  border-radius: 6px;
  background: var(--accent);
  color: #fff;
  font-family: var(--font-display);
  font-weight: 700;
  font-size: 0.95rem;
  letter-spacing: 0.02em;
}

.quote-rail__body {
  display: grid;
  gap: 0.15rem;
  min-width: 0;
}

.quote-rail__body strong {
  font-family: var(--font-display);
  font-size: 0.88rem;
  font-weight: 650;
  letter-spacing: 0.03em;
  text-transform: uppercase;
  color: var(--accent);
  line-height: 1.15;
}

.quote-rail__body span {
  color: var(--muted);
  font-size: 0.78rem;
  line-height: 1.35;
}

.quote-panel {
  padding: 1rem 1.1rem 1.15rem;
  border-radius: var(--radius-xl);
  background: var(--surface);
  border: 1px solid var(--line);
  box-shadow: var(--shadow);
  overflow: visible;
}

.quote-panel__header {
  display: flex;
  justify-content: space-between;
  align-items: flex-start;
  gap: 0.85rem;
  margin-bottom: 0.85rem;
}

.quote-panel__header .secondary-button {
  flex-shrink: 0;
  white-space: nowrap;
}

.quote-panel__actions {
  display: flex;
  flex-wrap: wrap;
  gap: 0.45rem;
  justify-content: flex-end;
}

.quote-panel--workspace .part-list {
  margin-top: 0.7rem;
}

.quote-workspace-body {
  position: relative;
  min-height: 5rem;
}

.quote-workspace-body--empty {
  min-height: 0;
}

.quote-drop-overlay {
  position: absolute;
  inset: 0;
  z-index: 20;
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 1.25rem;
  border-radius: var(--radius-lg);
  border: 2px dashed rgba(15, 164, 229, 0.55);
  background: rgba(240, 249, 255, 0.92);
  backdrop-filter: blur(3px);
  pointer-events: none;
  opacity: 0;
  visibility: hidden;
  transition: opacity 160ms ease, visibility 160ms ease;
}

.quote-drop-overlay.is-visible {
  opacity: 1;
  visibility: visible;
}

.quote-drop-overlay__panel {
  max-width: 26rem;
  padding: 1rem 1.25rem;
  border-radius: var(--radius-lg);
  background: rgba(255, 255, 255, 0.96);
  border: 1px solid rgba(15, 164, 229, 0.28);
  box-shadow: var(--shadow);
  text-align: center;
}

.quote-drop-overlay__title {
  margin: 0;
  font-family: var(--font-display);
  font-size: 1.1rem;
  font-weight: 700;
  letter-spacing: 0.05em;
  text-transform: uppercase;
  color: var(--accent);
}

.quote-drop-overlay__hint {
  margin: 0.45rem 0 0;
  color: var(--muted);
  font-size: 0.84rem;
  line-height: 1.4;
}

.upload-add-bar {
  position: relative;
  overflow: hidden;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 0.75rem;
  padding: 0.55rem 0.85rem;
  border: 1px solid var(--line);
  border-radius: var(--radius-lg);
  background: var(--panel-soft);
  cursor: pointer;
  transition: border-color 160ms ease, background 160ms ease;
}

.upload-add-bar:hover,
.upload-add-bar:focus-within {
  border-color: rgba(15, 164, 229, 0.45);
  background: rgba(15, 164, 229, 0.08);
}

.upload-add-bar .upload-input {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
  opacity: 0;
  cursor: pointer;
  z-index: 2;
}

.upload-add-bar .upload-input:disabled {
  cursor: not-allowed;
}

.upload-add-bar .upload-zone__button,
.upload-add-bar .upload-zone__count {
  position: relative;
  z-index: 1;
  pointer-events: none;
}

.quote-panel__heading {
  display: grid;
  gap: 0.25rem;
  min-width: 0;
}

.quote-panel h2 {
  margin: 0;
  font-family: var(--font-display);
  font-size: 1.35rem;
  font-weight: 700;
  letter-spacing: 0.06em;
  text-transform: uppercase;
  color: var(--accent);
}

.quote-panel__hint {
  margin: 0;
  color: var(--muted);
  font-size: 0.88rem;
  line-height: 1.4;
}

.browser-warning {
  padding: 0.8rem 1rem;
  border-radius: var(--radius-lg);
  border: 1px solid rgba(220, 38, 38, 0.25);
  background: rgba(254, 226, 226, 0.9);
  color: #991b1b;
  font-size: 0.9rem;
  line-height: 1.45;
}

.alert-warning {
  padding: 0.8rem 0.9rem;
  border-radius: 14px;
  border: 1px solid rgba(245, 158, 11, 0.18);
  background: rgba(254, 243, 199, 0.55);
  color: #7c2d12;
}

/* —— Upload —— */

.upload-zone {
  display: grid;
  border: 1.5px dashed rgba(15, 164, 229, 0.35);
  border-radius: var(--radius-lg);
  background:
    linear-gradient(180deg, rgba(15, 164, 229, 0.05), rgba(15, 164, 229, 0.02));
  transition: border-color 180ms ease, background 180ms ease, box-shadow 180ms ease;
}

.upload-zone:hover,
.upload-zone:focus-within {
  border-color: rgba(15, 164, 229, 0.65);
  background: rgba(15, 164, 229, 0.08);
  box-shadow: 0 0 0 3px var(--accent-glow);
}

.upload-zone--filled {
  border-style: solid;
  border-color: var(--line);
  background: var(--panel-soft);
}

.upload-zone--single {
  position: relative;
  padding: 0;
  overflow: hidden;
}

.upload-zone__surface {
  position: relative;
  z-index: 1;
  display: grid;
  gap: 0.85rem;
  padding: 1rem;
  min-height: 200px;
}

.upload-zone--single .upload-input {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
  opacity: 0;
  cursor: pointer;
  z-index: 2;
}

.upload-empty {
  display: grid;
  justify-items: center;
  gap: 0.45rem;
  padding: 1.4rem 1rem 1.2rem;
  text-align: center;
}

.upload-empty__glyph {
  width: 3.6rem;
  height: 3.6rem;
  color: var(--accent);
  margin-bottom: 0.25rem;
}

.upload-empty__glyph svg {
  width: 100%;
  height: 100%;
}

.upload-empty__spark {
  color: var(--accent-2);
  transform-origin: 52px 22px;
  animation: spark-pulse 2.4s ease-in-out infinite;
}

@keyframes spark-pulse {
  0%,
  100% {
    opacity: 0.55;
    transform: scale(0.92);
  }
  50% {
    opacity: 1;
    transform: scale(1.05);
  }
}

.upload-empty__title {
  margin: 0;
  font-family: var(--font-display);
  font-size: 1.25rem;
  font-weight: 700;
  letter-spacing: 0.05em;
  text-transform: uppercase;
  color: var(--accent);
}

.upload-empty__text {
  margin: 0;
  color: var(--muted);
  font-size: 0.9rem;
}

.format-chips {
  list-style: none;
  margin: 0.55rem 0 0;
  padding: 0;
  display: flex;
  flex-wrap: wrap;
  justify-content: center;
  gap: 0.35rem;
}

.format-chips li {
  padding: 0.22rem 0.55rem;
  border-radius: 6px;
  background: rgba(11, 21, 75, 0.06);
  color: var(--accent);
  font-family: var(--font-mono);
  font-size: 0.72rem;
  font-weight: 600;
  letter-spacing: 0.06em;
}

.upload-zone__summary {
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 0.5rem;
}

.upload-zone__button {
  font-family: var(--font-display);
  font-weight: 650;
  font-size: 0.95rem;
  letter-spacing: 0.06em;
  text-transform: uppercase;
  color: var(--accent);
}

.upload-zone__count {
  display: inline-grid;
  place-items: center;
  min-width: 1.7rem;
  height: 1.7rem;
  padding-inline: 0.4rem;
  border-radius: 999px;
  background: var(--accent);
  color: #fff;
  font-family: var(--font-mono);
  font-size: 0.75rem;
  font-weight: 600;
}

.upload-zone__tiles {
  display: grid;
  gap: 0.55rem;
  grid-template-columns: repeat(auto-fill, minmax(132px, 1fr));
}

.upload-tile {
  display: grid;
  gap: 0.35rem;
  padding: 0.65rem;
  border: 1px solid var(--line);
  border-radius: var(--radius-md);
  background: #fff;
  width: 100%;
  transition: transform 160ms ease, box-shadow 160ms ease;
}

.upload-tile:hover {
  transform: translateY(-2px);
  box-shadow: var(--shadow-tight);
}

.upload-tile__preview-wrap,
.part-strip__preview {
  position: relative;
}

.upload-tile__preview,
.upload-tile__preview-image,
.part-strip__preview img,
.part-strip__preview-fallback {
  width: 100%;
  aspect-ratio: 1;
  object-fit: contain;
  border-radius: 8px;
  background:
    linear-gradient(145deg, rgba(11, 21, 75, 0.04), rgba(15, 164, 229, 0.08));
}

.upload-tile__preview,
.part-strip__preview-fallback {
  min-height: 0;
  display: grid;
  place-items: center;
  color: var(--accent);
  font-family: var(--font-mono);
  font-size: 0.78rem;
  font-weight: 600;
  letter-spacing: 0.08em;
}

.upload-tile__pdf-badge {
  position: absolute;
  top: 6px;
  right: 6px;
  padding: 0.15rem 0.4rem;
  border-radius: 5px;
  background: #c62828;
  color: #fff;
  font-family: var(--font-mono);
  font-size: 0.58rem;
  font-weight: 700;
  letter-spacing: 0.06em;
  box-shadow: 0 1px 4px rgba(0, 0, 0, 0.2);
  pointer-events: none;
}

.upload-tile__name {
  font-weight: 700;
  font-size: 0.72rem;
  line-height: 1.25;
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
}

.upload-tile__meta {
  color: var(--muted);
  font-size: 0.68rem;
  line-height: 1.3;
}

/* —— Part strips (results) —— */

.results-empty {
  display: grid;
  gap: 0.25rem;
  place-items: start;
  padding: 1.5rem 0.25rem 1rem;
  border-top: 1px dashed var(--line);
}

.results-empty__title {
  margin: 0;
  font-family: var(--font-display);
  font-size: 1.15rem;
  font-weight: 650;
  letter-spacing: 0.05em;
  text-transform: uppercase;
  color: var(--accent);
}

.results-empty__text {
  margin: 0;
  color: var(--muted);
  font-size: 0.9rem;
}

.part-list {
  display: grid;
  gap: 0.7rem;
}

.part-strip {
  display: grid;
  grid-template-columns: 108px minmax(0, 1fr) minmax(120px, 150px);
  gap: 0.9rem;
  padding: 0.85rem;
  border-radius: var(--radius-lg);
  background: var(--panel-soft);
  border: 1px solid var(--line);
  border-left: 4px solid var(--steel);
  overflow: visible;
  animation: strip-in 320ms ease both;
}

@keyframes strip-in {
  from {
    opacity: 0;
    transform: translateX(-6px);
  }
  to {
    opacity: 1;
    transform: none;
  }
}

.part-strip--busy {
  border-left-color: var(--accent-2);
}

.part-strip--ready {
  border-left-color: var(--ready);
}

.part-strip--error {
  border-left-color: var(--danger);
  background: rgba(254, 226, 226, 0.35);
}

.part-strip__preview {
  border-radius: 8px;
  overflow: hidden;
  background: #fff;
  border: 1px solid var(--line);
  align-self: start;
}

.part-strip__preview img {
  aspect-ratio: 1;
  display: block;
}

.part-strip__main {
  display: grid;
  gap: 0.7rem;
  min-width: 0;
}

.part-strip__identity {
  display: grid;
  gap: 0.3rem;
}

.part-strip__name {
  margin: 0;
  font-size: 0.95rem;
  font-weight: 700;
  line-height: 1.25;
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
  color: var(--accent);
}

.part-strip__meta-row {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 0.45rem 0.7rem;
  font-size: 0.8rem;
  color: var(--muted);
}

.part-chip {
  display: inline-flex;
  align-items: center;
  padding: 0.12rem 0.45rem;
  border-radius: 5px;
  background: rgba(11, 21, 75, 0.06);
  font-family: var(--font-mono);
  font-size: 0.72rem;
  font-weight: 500;
  color: var(--accent);
}

.part-metrics {
  margin: 0;
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  gap: 0.4rem;
}

.part-metric {
  padding: 0.4rem 0.5rem;
  border-radius: 8px;
  background: #fff;
  border: 1px solid var(--line);
  min-width: 0;
}

.part-metric dt {
  margin: 0;
  font-family: var(--font-display);
  font-size: 0.7rem;
  font-weight: 600;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--muted);
}

.part-metric dd {
  margin: 0.1rem 0 0;
  font-family: var(--font-mono);
  font-size: 0.82rem;
  font-weight: 600;
  color: var(--text);
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
}

.part-controls {
  display: flex;
  flex-wrap: wrap;
  gap: 0.55rem;
  align-items: end;
}

.part-field {
  display: grid;
  gap: 0.22rem;
  min-width: 0;
}

.part-field > span {
  font-family: var(--font-display);
  font-size: 0.72rem;
  font-weight: 600;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--muted);
}

.part-field--material {
  flex: 1 1 160px;
  max-width: 220px;
}

.part-field__readonly {
  display: inline-flex;
  align-items: center;
  min-height: 2rem;
  padding: 0.25rem 0.45rem;
  font-family: var(--font-mono);
  font-size: 0.82rem;
  font-weight: 600;
}

.part-strip__price {
  display: grid;
  align-content: start;
  justify-items: end;
  gap: 0.25rem;
  padding-top: 0.15rem;
  text-align: right;
  position: relative;
  overflow: visible;
}

.part-strip__price-label {
  font-family: var(--font-display);
  font-size: 0.72rem;
  font-weight: 600;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--muted);
}

.part-strip__price-fallback {
  font-family: var(--font-mono);
  font-weight: 600;
}

.quote-pending-meta {
  color: var(--muted);
  font-size: 0.85rem;
  font-style: italic;
}

.quote-manual-label {
  color: var(--warn);
  font-weight: 700;
  font-size: 0.88rem;
}

.price-cell {
  position: relative;
  overflow: visible;
}

.price-display-table {
  cursor: help;
  border-bottom: 2px dotted rgba(15, 164, 229, 0.55);
  display: inline-block;
  font-family: var(--font-display);
  font-size: 1.55rem;
  font-weight: 700;
  letter-spacing: 0.02em;
  line-height: 1;
  color: var(--accent);
}

.price-display-table--uncertain {
  color: var(--warn);
  border-bottom-color: rgba(196, 92, 18, 0.55);
}

.price-display-table--uncertain small {
  color: rgba(196, 92, 18, 0.75);
}

.quote-uncertain-hint {
  display: block;
  margin-top: 0.35rem;
  max-width: 14rem;
  color: var(--warn);
  font-size: 0.72rem;
  font-weight: 600;
  line-height: 1.35;
}

.price-display-table small {
  font-size: 0.7rem;
  font-weight: 600;
  letter-spacing: 0.08em;
  color: var(--muted);
  margin-left: 0.15rem;
}

.price-tooltip-table {
  position: fixed;
  top: 0;
  left: 0;
  padding: 0.9rem;
  background: var(--text);
  color: var(--surface);
  border-radius: 11px;
  box-shadow: 0 16px 40px rgba(11, 21, 75, 0.24);
  z-index: 99999;
  opacity: 0;
  visibility: hidden;
  transition: opacity 160ms ease, visibility 160ms ease;
  font-size: 0.85rem;
  min-width: 220px;
  white-space: nowrap;
  pointer-events: none;
}

.price-breakdown {
  display: grid;
  gap: 0.55rem;
}

.breakdown-item {
  display: flex;
  justify-content: space-between;
  gap: 1rem;
  align-items: center;
}

.breakdown-label {
  font-weight: 600;
  color: rgba(255, 255, 255, 0.8);
}

.breakdown-value {
  font-family: var(--font-mono);
  font-weight: 600;
  color: rgba(15, 164, 229, 0.95);
  text-align: right;
  min-width: 90px;
}

.breakdown-divider {
  height: 1px;
  background: rgba(255, 255, 255, 0.2);
  margin: 0.15rem 0;
}

.breakdown-total .breakdown-label {
  color: rgba(255, 255, 255, 0.95);
}

.breakdown-total .breakdown-value {
  color: #4ade80;
}

.meta-input,
.material-select {
  width: 100%;
  max-width: 88px;
  min-height: 2rem;
  padding: 0.28rem 0.45rem;
  border: 1px solid #c5ccd8;
  border-radius: 8px;
  background: #ffffff;
  color: var(--text);
  font-size: 0.88rem;
}

.material-select {
  max-width: 100%;
  min-width: 0;
}

.ra-input {
  width: 72px;
  max-width: 72px;
}

.material-select:disabled,
.meta-input:disabled {
  color: var(--muted);
  background-color: #eef1f6;
  opacity: 1;
  cursor: not-allowed;
}

.material-select option {
  color: var(--text);
  background-color: #ffffff;
}

.primary-button,
.secondary-button {
  cursor: pointer;
  border: 0;
  border-radius: 999px;
  padding: 0.72rem 1.15rem;
  font-family: var(--font-display);
  font-weight: 700;
  letter-spacing: 0.06em;
  text-transform: uppercase;
}

.primary-button {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  background: linear-gradient(135deg, var(--accent), #163078);
  color: var(--button-text);
  box-shadow: 0 10px 22px rgba(11, 21, 75, 0.16);
  transition: transform 160ms ease, box-shadow 160ms ease;
}

.primary-button:hover {
  transform: translateY(-1px);
  box-shadow: 0 14px 26px rgba(11, 21, 75, 0.2);
}

.secondary-button {
  background: transparent;
  color: var(--accent);
  border: 1px solid var(--line-strong);
  padding: 0.48rem 0.9rem;
}

.secondary-button:hover:not(:disabled) {
  border-color: var(--accent-2);
  color: var(--accent-2);
}

.secondary-button:disabled {
  opacity: 0.4;
  cursor: not-allowed;
}

/* —— Status tooltips —— */

.status-hint-trigger {
  position: relative;
  display: inline-block;
}

.status-error-label {
  cursor: help;
  font-weight: 700;
  border-bottom: 2px dotted currentColor;
  display: inline-block;
}

.status-hint-trigger--error .status-error-label {
  color: var(--danger);
}

.status-hint-trigger--warn .status-error-label {
  color: var(--warn);
}

.status-error-tooltip {
  position: fixed;
  top: 0;
  left: 0;
  padding: 0.85rem;
  background: var(--text);
  color: var(--surface);
  border-radius: 11px;
  z-index: 99999;
  opacity: 0;
  visibility: hidden;
  transition: opacity 160ms ease, visibility 160ms ease;
  min-width: 200px;
  max-width: min(320px, 90vw);
  white-space: normal;
  pointer-events: none;
}

.status-error-tooltip.is-visible,
.price-tooltip-table.is-visible {
  opacity: 1 !important;
  visibility: visible;
  pointer-events: auto;
}

.status-error-tooltip__body {
  display: grid;
  gap: 0.35rem;
}

.status-error-tooltip__heading {
  color: rgba(255, 255, 255, 0.72);
  font-size: 0.72rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.06em;
}

.status-error-tooltip__message {
  font-size: 0.82rem;
  line-height: 1.4;
}

/* —— Home / auth —— */

.home-page--compact {
  max-width: 720px;
}

.home-hero {
  padding: 1.6rem 1.4rem 1.5rem;
  border-radius: var(--radius-xl);
  background:
    linear-gradient(135deg, rgba(15, 164, 229, 0.1), transparent 48%),
    var(--surface);
  border: 1px solid var(--line);
  box-shadow: var(--shadow);
  display: grid;
  gap: 0.7rem;
  position: relative;
  overflow: hidden;
}

.home-hero::before {
  content: "";
  position: absolute;
  inset: 0 auto 0 0;
  width: 4px;
  background: linear-gradient(180deg, var(--accent-2), var(--accent));
}

.home-hero__eyebrow {
  margin: 0;
  font-family: var(--font-display);
  font-size: 0.85rem;
  font-weight: 600;
  letter-spacing: 0.16em;
  text-transform: uppercase;
  color: var(--accent-2);
}

.home-hero h1 {
  margin: 0;
  font-family: var(--font-display);
  font-size: clamp(2.1rem, 5vw, 3rem);
  font-weight: 700;
  letter-spacing: 0.03em;
  line-height: 0.95;
  text-transform: uppercase;
  color: var(--accent);
}

.home-hero__lede {
  margin: 0;
  max-width: 40ch;
  color: var(--muted);
  font-size: 1.02rem;
  line-height: 1.5;
}

.home-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 0.55rem;
  margin-top: 0.35rem;
}

.shell--auth {
  max-width: 520px;
}

.shell--auth .shell-header {
  justify-content: flex-end;
}

.shell--auth .shell-brand {
  display: none;
}

.auth-card {
  padding: 1.5rem 1.4rem 1.45rem;
  border-radius: var(--radius-xl);
  background:
    linear-gradient(145deg, rgba(15, 164, 229, 0.08), transparent 42%),
    var(--surface);
  border: 1px solid var(--line);
  box-shadow: var(--shadow);
  position: relative;
  overflow: hidden;
  display: grid;
  gap: 1rem;
}

.auth-card::before {
  content: "";
  position: absolute;
  inset: 0 auto 0 0;
  width: 4px;
  background: linear-gradient(180deg, var(--accent-2), var(--accent));
}

.auth-card__header {
  display: grid;
  gap: 0.35rem;
  padding-left: 0.15rem;
}

.auth-card__brand {
  margin: 0;
  font-family: var(--font-display);
  font-size: 0.85rem;
  font-weight: 600;
  letter-spacing: 0.16em;
  text-transform: uppercase;
  color: var(--accent-2);
}

.auth-card__header h1 {
  margin: 0;
  font-family: var(--font-display);
  font-size: clamp(1.9rem, 5vw, 2.4rem);
  font-weight: 700;
  letter-spacing: 0.03em;
  line-height: 0.95;
  text-transform: uppercase;
  color: var(--accent);
}

.auth-card__lede {
  margin: 0.2rem 0 0;
  color: var(--muted);
  font-size: 0.95rem;
  line-height: 1.45;
}

.auth-brand {
  text-align: center;
}

.hero-panel--auth {
  padding: 1rem 1.1rem;
  border-radius: var(--radius-xl);
  background: var(--surface);
  border: 1px solid var(--line);
  box-shadow: var(--shadow);
  text-align: center;
}

.hero-panel--auth h1 {
  margin: 0.2rem 0 0;
  font-family: var(--font-display);
  font-size: 1.8rem;
  letter-spacing: 0.04em;
  text-transform: uppercase;
  color: var(--accent);
}

.hero-note {
  margin: 0;
  font-family: var(--font-display);
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--accent-2);
  font-size: 0.8rem;
  font-weight: 600;
}

.auth-form {
  display: grid;
  gap: 0.85rem;
  padding: 0;
  border: 0;
  border-radius: 0;
  background: transparent;
  box-shadow: none;
}

.auth-form__submit {
  width: 100%;
  justify-content: center;
  margin-top: 0.25rem;
}

.form-field {
  display: grid;
  gap: 0.35rem;
}

.form-field span {
  font-family: var(--font-display);
  font-size: 0.8rem;
  font-weight: 600;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--muted);
}

.form-field input {
  min-height: 2.6rem;
  padding: 0.5rem 0.75rem;
  border: 1px solid #c5ccd8;
  border-radius: 10px;
  background: #fff;
  transition: border-color 160ms ease, box-shadow 160ms ease;
}

.form-field input:focus {
  outline: none;
  border-color: var(--accent-2);
  box-shadow: 0 0 0 3px var(--accent-glow);
}

.language-switcher {
  display: inline-flex;
  align-items: center;
  gap: 0.4rem;
}

.language-switcher__select {
  width: auto;
  min-width: 50px;
  border: 0;
  background: transparent;
}

.shell-tools {
  display: flex;
  align-items: center;
  gap: 0.55rem;
  flex-wrap: wrap;
}

.shell-logout-form {
  margin: 0;
}

.nav-link--button {
  cursor: pointer;
  background: transparent;
  border: 0;
}

/* Legacy class hooks still referenced elsewhere */
.card,
.hero-panel {
  border: 1px solid var(--line);
  border-radius: var(--radius-xl);
  background: var(--surface);
  box-shadow: var(--shadow);
}

.card {
  padding: 0.9rem 0.95rem;
}

.muted {
  margin: 0;
  color: var(--muted);
  line-height: 1.55;
}

#blazor-error-ui {
  color-scheme: light only;
  background: lightyellow;
  bottom: 0;
  box-shadow: 0 -1px 2px rgba(0, 0, 0, 0.2);
  display: none;
  left: 0;
  padding: 0.6rem 1.25rem 0.7rem 1.25rem;
  position: fixed;
  width: 100%;
  z-index: 1000;
}

#blazor-error-ui .dismiss {
  cursor: pointer;
  position: absolute;
  right: 0.75rem;
  top: 0.5rem;
}

.blazor-error-boundary {
  background: #b32121;
  padding: 1rem;
  color: white;
}

.loading-progress {
  position: absolute;
  display: block;
  width: 8rem;
  height: 8rem;
  inset: 20vh 0 auto 0;
  margin: 0 auto;
}

.loading-progress circle {
  fill: none;
  stroke: #e0e0e0;
  stroke-width: 0.6rem;
  transform-origin: 50% 50%;
  transform: rotate(-90deg);
}

.loading-progress circle:last-child {
  stroke: #0fa4e5;
  stroke-dasharray: calc(3.141 * var(--blazor-load-percentage, 0%) * 0.8), 500%;
}

.loading-progress-text {
  position: absolute;
  text-align: center;
  font-weight: bold;
  inset: calc(20vh + 3.25rem) 0 auto 0.2rem;
}

.loading-progress-text:after {
  content: var(--blazor-load-percentage-text, "Loading");
}

@media (min-width: 1100px) {
  .quote-hero {
    grid-template-columns: minmax(18rem, 0.9fr) minmax(0, 1.4fr);
    gap: 1rem 1.4rem;
  }

  .quote-rail {
    align-self: center;
  }
}

@media (max-width: 960px) {
  .quote-rail {
    grid-template-columns: 1fr;
  }

  .part-strip {
    grid-template-columns: 88px minmax(0, 1fr);
  }

  .part-strip__price {
    grid-column: 1 / -1;
    justify-items: start;
    text-align: left;
    border-top: 1px dashed var(--line);
    padding-top: 0.65rem;
  }

  .part-metrics {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }
}

@media (max-width: 560px) {
  .shell {
    padding-inline: 0.7rem;
  }

  .shell-header {
    border-radius: 18px;
  }

  .part-strip {
    grid-template-columns: 1fr;
  }

  .part-strip__preview {
    max-width: 140px;
  }

  .part-field--material {
    flex-basis: 100%;
    max-width: none;
  }
}

@media (prefers-reduced-motion: reduce) {
  .quote-page,
  .part-strip,
  .upload-empty__spark,
  .primary-button,
  .upload-tile {
    animation: none !important;
    transition: none !important;
  }
}