/* ---------------------------------------------------------------------
   Theme: "blueprint desk" — warm drafting-paper background, navy/amber
   accents, technical monospace for codes & measurements.
   --------------------------------------------------------------------- */

:root {
  --paper: #f6f4ee;
  --surface: #ffffff;
  --ink: #1c2b3a;
  --ink-soft: #5b6b7a;
  --navy-900: #0b1f33;
  --navy-800: #102a43;
  --steel: #2f6690;
  --amber: #e8a23d;
  --amber-dark: #c2780f;
  --border: #dde1e6;
  --header-bg: #eef2f6;

  --bs-primary: var(--steel);
  --bs-primary-rgb: 47, 102, 144;
  --bs-link-color: var(--steel);
  --bs-link-hover-color: var(--navy-800);
  --bs-success-rgb: 31, 122, 110;
  --bs-danger-rgb: 193, 57, 43;
  --bs-secondary-rgb: 82, 96, 109;
  --bs-body-bg: var(--paper);
  --bs-body-color: var(--ink);
  --bs-border-color: var(--border);
  --bs-body-font-family: "Manrope", system-ui, sans-serif;
  --bs-font-monospace: "JetBrains Mono", "SFMono-Regular", monospace;
}

html {
  scroll-behavior: smooth;
}

body {
  background-color: var(--paper);
  background-image:
    linear-gradient(rgba(11, 31, 51, 0.035) 1px, transparent 1px),
    linear-gradient(90deg, rgba(11, 31, 51, 0.035) 1px, transparent 1px);
  background-size: 28px 28px;
}

a:focus-visible,
button:focus-visible,
input:focus-visible,
summary:focus-visible {
  outline: 2px solid var(--amber);
  outline-offset: 2px;
}

/* Cap the page width on very large screens while still using Bootstrap's
   container-fluid responsive padding. */
.page-container {
  max-width: 2200px;
  margin-left: auto;
  margin-right: auto;
}

h1 {
  font-weight: 800;
  letter-spacing: -0.01em;
  color: var(--navy-900);
  margin-bottom: 0.25rem;
}

code {
  color: var(--steel);
}

/* --- Navbar --- */

.app-navbar {
  background-color: var(--navy-900);
  background-image: repeating-linear-gradient(
    135deg,
    rgba(255, 255, 255, 0.035) 0px,
    rgba(255, 255, 255, 0.035) 1px,
    transparent 1px,
    transparent 22px
  );
  border-bottom: 3px solid var(--amber);
  position: sticky;
  top: 0;
  z-index: 1030;
}

.brand-mark {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 1.85rem;
  height: 1.85rem;
  background: var(--amber);
  color: var(--navy-900);
  font-family: "JetBrains Mono", monospace;
  font-weight: 700;
  font-size: 0.95rem;
  border-radius: 0.35rem;
}

.brand-text {
  font-weight: 800;
  letter-spacing: 0.01em;
  color: #f5f1e6;
  font-size: 1.05rem;
}

.brand-arrow {
  color: var(--amber);
}

.navbar .nav-link {
  color: rgba(245, 241, 230, 0.78);
  font-weight: 500;
  transition: color 0.15s ease;
}

.navbar .nav-link:hover,
.navbar .nav-link.active {
  color: var(--amber);
}

/* --- Cards & collapsible sections --- */

.card {
  border-color: var(--border);
  box-shadow: 0 1px 2px rgba(11, 31, 51, 0.05);
}

.card-header {
  background-color: #faf8f3;
  font-weight: 700;
  color: var(--navy-900);
}

.section,
.subsection {
  overflow: hidden;
  scroll-margin-top: 5rem;
}

.section > summary,
.subsection > summary {
  cursor: pointer;
  list-style: none;
}

.section > summary::-webkit-details-marker,
.subsection > summary::-webkit-details-marker {
  display: none;
}

.section > summary::before,
.subsection > summary::before {
  content: "\f285"; /* bootstrap-icons chevron-right */
  font-family: "bootstrap-icons";
  display: inline-block;
  margin-right: 0.5rem;
  font-size: 0.75em;
  transition: transform 0.15s ease;
}

.section[open] > summary::before,
.subsection[open] > summary::before {
  transform: rotate(90deg);
}

.subsection > .card-header {
  background-color: #f3f6f9;
}

.section[open] > .card-body,
.subsection[open] > .card-body {
  animation: reveal 0.2s ease;
}

@keyframes reveal {
  from {
    opacity: 0;
    transform: translateY(-4px);
  }
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

/* --- Buttons --- */

.btn-accent {
  background-color: var(--amber);
  border-color: var(--amber-dark);
  color: var(--navy-900);
  font-weight: 700;
}

.btn-accent:hover,
.btn-accent:focus {
  background-color: var(--amber-dark);
  border-color: var(--amber-dark);
  color: #fff;
}

/* --- Tables --- */

.table {
  font-size: 0.85rem;
}

.table > thead > tr > th {
  background-color: var(--header-bg);
  color: var(--navy-900);
  font-weight: 700;
  font-size: 0.72rem;
  text-transform: uppercase;
  letter-spacing: 0.04em;
  border-bottom-width: 2px;
  white-space: nowrap;
}

tr.root-row > td {
  font-weight: 600;
  background-color: var(--header-bg);
}

.scroll-area {
  max-height: 65vh;
  overflow-y: auto;
  border: 1px solid var(--border);
  border-radius: var(--bs-border-radius);
}

.scroll-area > table {
  margin-bottom: 0;
}

.scroll-area > table > thead > tr > th {
  position: sticky;
  top: 0;
  z-index: 2;
  box-shadow: inset 0 -2px 0 var(--border);
}

.scroll-area.table-responsive,
.scroll-area .table {
  border: none;
}

.toggle-cell {
  width: 1.75rem;
  text-align: center;
}

.toggle-button {
  font-size: 0.75rem;
  text-decoration: none;
  line-height: 1;
  color: var(--ink-soft);
}

.toggle-button:hover {
  color: var(--steel);
}

.nested-table {
  margin: 0;
}

.nested-table > thead > tr > th {
  position: static;
  box-shadow: none;
}

tr.sub-assembly-row.collapsed {
  display: none;
}

tr.sub-assembly-row > td {
  padding: 0;
}

.summary-table td:last-child,
.summary-table th:last-child {
  text-align: right;
}

.summary-table tr.sub-assembly-row > td {
  text-align: left;
}

#parts-overview-table td:last-child,
#parts-overview-table th:last-child {
  text-align: left;
}

#parts-overview-table th:nth-child(5),
#parts-overview-table td:nth-child(5) {
  min-width: 18rem;
}

.erp-match-input::placeholder {
  font-style: italic;
}

.breakdown-group {
  padding: 0.75rem 1rem;
}

.breakdown-group + .breakdown-group {
  border-top: 1px solid var(--border);
}

.breakdown-group h4 {
  margin: 0 0 0.5rem;
  font-size: 0.8rem;
  font-weight: 600;
  color: var(--ink-soft);
}

/* --- Badges --- */

.badge {
  font-weight: 600;
  letter-spacing: 0.01em;
}

/* --- Quick nav --- */

.quick-nav {
  display: flex;
  gap: 0.5rem;
  flex-wrap: wrap;
}

.quick-nav-link {
  display: inline-flex;
  align-items: center;
  gap: 0.4rem;
  padding: 0.35rem 0.9rem;
  border-radius: 2rem;
  background: var(--surface);
  border: 1px solid var(--border);
  color: var(--navy-800);
  font-size: 0.85rem;
  font-weight: 600;
  text-decoration: none;
  transition: border-color 0.15s ease, color 0.15s ease;
}

.quick-nav-link:hover {
  border-color: var(--steel);
  color: var(--steel);
}

/* --- ERP catalog autocomplete --- */

.autocomplete {
  position: relative;
}

.autocomplete-results {
  position: absolute;
  top: 100%;
  left: 0;
  right: 0;
  z-index: 1000;
  margin: 2px 0 0;
  padding: 0;
  max-height: 14rem;
  overflow-y: auto;
  box-shadow: 0 4px 12px rgba(11, 31, 51, 0.15);
}

.autocomplete-results li {
  font-size: 0.8rem;
  cursor: pointer;
}

.autocomplete-result {
  display: flex;
  align-items: flex-start;
  justify-content: space-between;
  gap: 0.75rem;
}

.autocomplete-result-main {
  min-width: 0;
}

.autocomplete-result-description {
  font-weight: 600;
  color: var(--navy-900);
  white-space: normal;
}

.autocomplete-result-extra {
  font-size: 0.72rem;
  color: var(--ink-soft);
  margin-top: 0.1rem;
}

.autocomplete-result-code {
  flex-shrink: 0;
  font-size: 0.72rem;
  font-weight: 600;
  color: var(--navy-800);
}

/* --- Upload page dropzone cards --- */

.dropzone-card {
  border: 2px dashed var(--border);
  border-radius: var(--bs-border-radius);
  background-color: var(--surface);
  transition: border-color 0.15s ease, background-color 0.15s ease;
  height: 100%;
}

.dropzone-card:hover,
.dropzone-card:focus-within {
  border-color: var(--steel);
  background-color: #f6faff;
}

.dropzone-icon {
  font-size: 2.25rem;
  color: var(--steel);
}

/* --- Full-page processing overlay --- */

.processing-overlay {
  position: fixed;
  inset: 0;
  background: rgba(11, 31, 51, 0.82);
  color: #f5f1e6;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  gap: 1rem;
  z-index: 2000;
  text-align: center;
  padding: 1rem;
}

.processing-overlay[hidden] {
  display: none;
}

.processing-overlay .spinner-border {
  width: 3rem;
  height: 3rem;
  color: var(--amber);
}