/* ============================================================
   eTruck Academy Tool UI — basis-stylesheet (canon-compliant)
   Bron: FORMAT - eTruck Academy Tool UI (Canon)
   Distributie: github.com/NijenhuisHeino/etruck-canon
   Referentie-implementaties: PV+BESS+ERE-tool, laadpas-analyse

   Gebruik: kopieer dit bestand integraal als basis-stylesheet
   (bijv. app/globals.css in Next.js of <link> in plain HTML).
   Projectspecifieke classes voeg je ERONDER toe, met dezelfde
   tokens. Tokens zelf nooit per project wijzigen.

   Inhoud:
   1. Tokens          7. Buttons (.btn)
   2. Base + shell    8. Formuliervelden
   3. Hero            9. Notices (.note/.success/.error)
   4. KPI-cards      10. Utilities (badge, spinner, bars, …)
   5. Tabs           11. Print
   6. Cards/tabellen 12. Responsive
   ============================================================ */

/* Fonts: headings Titillium Web, body/UI Montserrat (canon 1.2).
   Toegestane vereenvoudiging: overal één van beide stacks. */
@import url('https://fonts.googleapis.com/css2?family=Titillium+Web:wght@400;600;700&family=Montserrat:wght@400;500;600;700&display=swap');

/* === 1. Tokens (identiek aan css/etruck-tokens.css) === */
:root {
  /* Core merkkleuren */
  --eta-purple-900: #2e2343;
  --eta-purple-soft: #41315f;
  --eta-purple-deep: #221833;
  --eta-yellow-500: #f9bc13;
  --eta-orange-500: #f6a119;
  --eta-white: #ffffff;
  --eta-cream: #f7f3ec;

  /* Afgeleide neutrale tokens */
  --eta-bg-page: #f7f7f9;
  --eta-bg-card: #ffffff;
  --eta-bg-soft: #f4f4f6;
  --eta-border-soft: #dedee6;
  --eta-border-strong: #c9c8d3;
  --eta-border-line: rgba(46, 35, 67, 0.12);
  --eta-border-soft-purple: rgba(46, 35, 67, 0.08);
  --eta-text-main: #1a1a1f;
  --eta-text-subtle: #5a5764;
  --eta-text-soft: rgba(46, 35, 67, 0.72);
  --eta-text-muted: #7b7886;

  /* Statuskleuren */
  --eta-success: #1f7a46;
  --eta-warning: #b26a00;
  --eta-warning-bright: #f6a119;
  --eta-danger: #b42318;
  --eta-info: #475467;

  /* Typografie */
  --eta-font-heading: "Titillium Web", "Montserrat", Arial, sans-serif;
  --eta-font-body: "Montserrat", "Nunito Sans", Arial, sans-serif;
  --eta-font-mono: ui-monospace, "SF Mono", Menlo, Consolas, monospace;
  --eta-font-12: 12px;
  --eta-font-14: 14px;
  --eta-font-16: 16px;
  --eta-font-18: 18px;
  --eta-font-20: 20px;
  --eta-font-24: 24px;
  --eta-font-28: 28px;
  --eta-font-36: 36px;
  --eta-font-44: 44px;
  --eta-weight-regular: 400;
  --eta-weight-medium: 500;
  --eta-weight-semibold: 600;
  --eta-weight-bold: 700;

  /* Spacing */
  --eta-space-4: 4px;
  --eta-space-8: 8px;
  --eta-space-12: 12px;
  --eta-space-16: 16px;
  --eta-space-20: 20px;
  --eta-space-24: 24px;
  --eta-space-32: 32px;
  --eta-space-40: 40px;
  --eta-space-48: 48px;
  --eta-space-64: 64px;

  /* Radius */
  --eta-radius-sm: 10px;
  --eta-radius-md: 14px;
  --eta-radius-lg: 18px;
  --eta-radius-xl: 24px;

  /* Shadows */
  --eta-shadow-card: 0 8px 24px rgba(46, 35, 67, 0.08);
  --eta-shadow-soft: 0 4px 12px rgba(46, 35, 67, 0.05);
  --eta-shadow-hero: 0 24px 60px rgba(46, 35, 67, 0.16);

  /* Layout — canon 1180px; brede data-dashboards mogen 1280px */
  --eta-content-max: 1180px;
  --eta-content-reading: 760px;
  --eta-sidebar-width: 360px;
  --eta-grid-gap: 24px;
}

/* === 2. Base + page shell === */
* {
  box-sizing: border-box;
}

html {
  background: var(--eta-bg-page);
}

body {
  margin: 0;
  padding: 0;
  font-family: var(--eta-font-body);
  color: var(--eta-purple-900);
  font-size: 16px;
  line-height: 1.55;
  background: var(--eta-bg-page);
  min-height: 100vh;
}

/* Optionele warme variant (precedent: laadpas-analyse).
   Alleen bewust inzetten — canon-default is de vlakke achtergrond.
html { background: var(--eta-cream); }
body {
  background:
    radial-gradient(circle at top left, rgba(249, 188, 19, .18), transparent 28%),
    radial-gradient(circle at top right, rgba(246, 161, 25, .15), transparent 24%),
    linear-gradient(180deg, #fbf8f3 0%, #f3eee5 100%);
}
*/

h1, h2, h3, h4 {
  font-family: var(--eta-font-heading);
}

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

.container {
  width: min(var(--eta-content-max), calc(100% - 32px));
  margin: 0 auto;
  padding: 0 0 var(--eta-space-64);
}

/* === 3. Hero / header ===
   Tool-header: alleen het beeldmerk op witte tegel + eyebrow
   "eTruck Academy®" + subline met tooltype. Geen volledig
   woordmerk in de tool-header (canon 2.6). */
.app-header {
  width: min(var(--eta-content-max), calc(100% - 32px));
  margin: var(--eta-space-32) auto var(--eta-space-24);
}

.hero-block {
  position: relative;
  overflow: hidden;
  padding: var(--eta-space-32);
  border-radius: var(--eta-radius-xl);
  color: var(--eta-white);
  background: linear-gradient(135deg, rgba(46, 35, 67, 0.98), rgba(65, 49, 95, 0.98));
  box-shadow: var(--eta-shadow-hero);
}

.hero-block::after {
  content: "";
  position: absolute;
  inset: auto -120px -120px auto;
  width: 280px;
  height: 280px;
  border-radius: 50%;
  background: radial-gradient(circle, rgba(249, 188, 19, .28), transparent 68%);
  pointer-events: none;
}

.brand-lockup {
  display: inline-flex;
  align-items: center;
  gap: var(--eta-space-16);
  margin-bottom: var(--eta-space-20);
}

.brand-logo {
  width: 64px;
  height: 64px;
  border-radius: 14px;
  object-fit: cover;
  background: rgba(255, 255, 255, 0.98);
  padding: 6px;
  box-shadow: inset 0 0 0 1px rgba(46, 35, 67, 0.08), 0 8px 20px rgba(0, 0, 0, .18);
}

.brand-lockup-text {
  display: grid;
  gap: 2px;
}

.eyebrow {
  margin: 0;
  font-size: 0.95rem;
  font-weight: 700;
  letter-spacing: 0.02em;
  color: var(--eta-white);
}

.brand-subline {
  margin: 0;
  font-size: 0.88rem;
  color: rgba(255, 255, 255, 0.72);
}

h1 {
  margin: 0;
  font-size: clamp(2rem, 4.4vw, 3.4rem);
  font-weight: 700;
  line-height: 1.05;
  letter-spacing: -0.01em;
  color: var(--eta-white);
}

h1 .muted-suffix {
  color: rgba(255, 255, 255, 0.65);
  font-weight: 400;
}

.sub {
  margin: var(--eta-space-12) 0 0;
  font-size: 1rem;
  color: rgba(255, 255, 255, 0.78);
}

.sub strong {
  color: var(--eta-white);
  font-weight: 700;
}

/* === 4. KPI-cards ===
   Volgorde: netto uitkomst eerst, daarna drivers (canon 4.8).
   Niet 8 even zware KPI's zonder hiërarchie. */
.kpis {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
  gap: var(--eta-space-16);
  margin-bottom: var(--eta-space-32);
}

.kpi {
  background: var(--eta-bg-card);
  border: 1px solid var(--eta-border-soft-purple);
  border-radius: var(--eta-radius-lg);
  padding: var(--eta-space-20) var(--eta-space-24);
  box-shadow: var(--eta-shadow-soft);
  transition: transform .2s ease, box-shadow .2s ease;
}

.kpi:hover {
  box-shadow: var(--eta-shadow-card);
  transform: translateY(-1px);
}

.kpi .lbl {
  color: var(--eta-text-soft);
  font-size: 0.92rem;
  font-weight: 600;
  margin-bottom: var(--eta-space-8);
}

.kpi .val {
  font-family: var(--eta-font-heading);
  font-size: 2rem;
  font-weight: 700;
  color: var(--eta-purple-900);
  line-height: 1.05;
  font-variant-numeric: tabular-nums;
}

.kpi .hint {
  font-size: 0.85rem;
  color: var(--eta-text-soft);
  margin-top: var(--eta-space-4);
  line-height: 1.4;
}

/* === 5. Tabs === */
.tabs {
  display: flex;
  gap: var(--eta-space-4);
  border-bottom: 1px solid var(--eta-border-line);
  margin: 0 0 var(--eta-space-24);
  flex-wrap: wrap;
}

.tab {
  padding: var(--eta-space-12) var(--eta-space-16);
  cursor: pointer;
  border: none;
  background: transparent;
  color: var(--eta-text-soft);
  font-size: 0.95rem;
  font-weight: 600;
  border-bottom: 2px solid transparent;
  font-family: inherit;
  transition: color .15s ease, border-color .15s ease;
  margin-bottom: -1px;
}

.tab:hover {
  color: var(--eta-purple-900);
}

.tab.active {
  color: var(--eta-purple-900);
  border-bottom-color: var(--eta-yellow-500);
}

/* === 6. Cards, grids en tabellen === */
.card {
  background: var(--eta-bg-card);
  border: 1px solid var(--eta-border-soft-purple);
  border-radius: var(--eta-radius-xl);
  padding: var(--eta-space-24) var(--eta-space-32);
  margin-bottom: var(--eta-space-16);
  box-shadow: var(--eta-shadow-soft);
}

/* Gele lijn onder de kaarttitel, zoals de TCO Calculator (besluit Johnny, 21 okt 2026). */
.card > h2 {
  margin: 0 0 var(--eta-space-8);
  padding-bottom: var(--eta-space-8);
  border-bottom: 2px solid var(--eta-yellow-500);
  font-size: 1.4rem;
  font-weight: 700;
  color: var(--eta-purple-900);
  line-height: 1.15;
}

.card .desc {
  color: var(--eta-text-soft);
  font-size: 0.95rem;
  margin-bottom: var(--eta-space-20);
  line-height: 1.5;
}

.grid2 {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: var(--eta-space-16);
}

@media (max-width: 900px) {
  .grid2 {
    grid-template-columns: 1fr;
  }
}

/* Key-value blokjes (metadata, aannames, parameters) */
.info-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
  gap: var(--eta-space-12);
}

.info-item {
  min-width: 0;
  border: 1px solid var(--eta-border-soft-purple);
  border-radius: var(--eta-radius-md);
  background: rgba(46, 35, 67, 0.025);
  padding: var(--eta-space-12) var(--eta-space-16);
}

.info-label {
  color: var(--eta-text-soft);
  font-size: 0.84rem;
  font-weight: 700;
  margin-bottom: 2px;
}

.info-value {
  color: var(--eta-purple-900);
  font-size: 0.98rem;
  font-weight: 600;
  overflow-wrap: anywhere;
}

.info-value.mono {
  font-family: var(--eta-font-mono);
  font-size: 0.9rem;
}

/* Tabellen: wit, lichte borders, ruim — geen spreadsheet-look */
table.simple {
  width: 100%;
  border-collapse: collapse;
  font-size: 0.95rem;
}

table.simple th {
  text-align: left;
  color: var(--eta-purple-900);
  font-weight: 700;
  padding: var(--eta-space-12) var(--eta-space-16);
  border-bottom: 1px solid var(--eta-border-soft-purple);
  font-size: 0.85rem;
  background: rgba(46, 35, 67, 0.03);
}

/* De kolomkop in <thead> is donkerpaars met witte tekst, zoals de TCO Calculator
   (besluit Johnny, 21 okt 2026). Rijkoppen in <tbody> houden de lichte stijl. */
table.simple thead th {
  color: var(--eta-white);
  background: var(--eta-purple-900);
  border-bottom: none;
}

table.simple th.num {
  text-align: right;
}

table.simple td {
  padding: var(--eta-space-12) var(--eta-space-16);
  border-bottom: 1px solid var(--eta-border-soft-purple);
  color: var(--eta-purple-900);
}

table.simple tr:last-child td {
  border-bottom: none;
}

table.simple tr:hover td {
  background: rgba(249, 188, 19, 0.05);
}

.num {
  text-align: right;
  font-variant-numeric: tabular-nums;
}

/* === 7. Buttons ===
   Per scherm 1 dominante primaire CTA (geel), max 1 secundaire.
   Korte werkwoordcopy: "Bereken uitkomst", "Download overzicht". */
.btn {
  display: inline-flex;
  align-items: center;
  gap: var(--eta-space-8);
  border: none;
  border-radius: var(--eta-radius-md);
  padding: 0 var(--eta-space-20);
  min-height: 48px;
  font: inherit;
  font-size: 1rem;
  font-weight: 700;
  cursor: pointer;
  transition: transform .15s ease, box-shadow .15s ease, background .15s ease;
}

.btn-primary {
  background: var(--eta-yellow-500);
  color: var(--eta-purple-900);
  box-shadow: 0 4px 12px rgba(249, 188, 19, 0.25);
}

.btn-primary:hover {
  background: #f2b400;
  box-shadow: 0 8px 18px rgba(46, 35, 67, 0.10);
  transform: translateY(-1px);
}

.btn-secondary {
  background: var(--eta-bg-card);
  color: var(--eta-purple-900);
  border: 1px solid var(--eta-border-line);
}

.btn-secondary:hover {
  background: var(--eta-bg-soft);
}

.btn-danger {
  background: transparent;
  color: var(--eta-danger);
  border: 1px solid rgba(180, 35, 24, 0.3);
}

.btn-danger:hover {
  background: rgba(180, 35, 24, 0.08);
}

.btn:disabled {
  opacity: 0.5;
  cursor: not-allowed;
}

/* === 8. Formuliervelden ===
   Labels altijd zichtbaar (niet alleen placeholder), velden
   minimaal 44px hoog, focus duidelijk in merkstijl. */
input, select, textarea {
  width: 100%;
  border: 1px solid var(--eta-border-line);
  border-radius: var(--eta-radius-md);
  padding: 12px 14px;
  font: inherit;
  font-size: 1rem;
  color: var(--eta-purple-900);
  background: var(--eta-white);
  font-family: inherit;
}

input:focus, select:focus, textarea:focus {
  outline: 0;
  border-color: var(--eta-yellow-500);
  box-shadow: 0 0 0 4px rgba(249, 188, 19, 0.18);
}

label {
  display: grid;
  gap: 6px;
  margin-bottom: var(--eta-space-16);
}

label > span {
  font-size: 0.95rem;
  color: var(--eta-text-soft);
  font-weight: 600;
}

/* === 9. Notices ===
   Rustig: linksaccent + subtiel vlak. Rood alleen bij echte fout. */
.note {
  background: rgba(246, 161, 25, 0.10);
  border-left: 3px solid var(--eta-orange-500);
  padding: var(--eta-space-16) var(--eta-space-20);
  border-radius: var(--eta-radius-md);
  color: var(--eta-purple-900);
  font-size: 0.95rem;
  margin-bottom: var(--eta-space-24);
  line-height: 1.5;
}

.success {
  background: rgba(31, 122, 70, 0.08);
  border-left: 3px solid var(--eta-success);
  padding: var(--eta-space-16) var(--eta-space-20);
  border-radius: var(--eta-radius-md);
  color: var(--eta-purple-900);
  font-size: 0.95rem;
  margin-bottom: var(--eta-space-24);
  line-height: 1.5;
}

.error {
  background: rgba(180, 35, 24, 0.08);
  border-left: 3px solid var(--eta-danger);
  padding: var(--eta-space-16) var(--eta-space-20);
  border-radius: var(--eta-radius-md);
  color: var(--eta-danger);
  font-size: 0.95rem;
  margin-bottom: var(--eta-space-24);
  line-height: 1.5;
}

/* === 10. Utilities === */

/* Toolbar boven content (terug-link links, acties rechts) */
.toolbar {
  display: flex;
  justify-content: space-between;
  align-items: center;
  margin: var(--eta-space-12) 0 var(--eta-space-24);
  gap: var(--eta-space-16);
  flex-wrap: wrap;
}

.toolbar-left {
  display: flex;
  align-items: center;
  gap: var(--eta-space-12);
  font-size: 0.95rem;
  color: var(--eta-text-soft);
}

.toolbar-right {
  display: flex;
  gap: var(--eta-space-8);
  flex-wrap: wrap;
}

.back-link {
  color: var(--eta-purple-900);
  font-weight: 700;
  font-size: 0.95rem;
  display: inline-flex;
  align-items: center;
  gap: 6px;
}

.back-link:hover {
  color: var(--eta-orange-500);
}

/* Lege staat (nog geen data) */
.empty-state {
  text-align: center;
  padding: var(--eta-space-48) var(--eta-space-24);
  color: var(--eta-text-soft);
}

.empty-state h3 {
  color: var(--eta-purple-900);
  margin: 0 0 var(--eta-space-12);
  font-size: 1.4rem;
}

/* Drag-drop uploadzone */
.upload-zone {
  border: 2px dashed var(--eta-border-line);
  border-radius: var(--eta-radius-lg);
  padding: var(--eta-space-32);
  text-align: center;
  background: rgba(255, 255, 255, 0.5);
  cursor: pointer;
  transition: border-color .15s ease, background .15s ease;
}

.upload-zone:hover,
.upload-zone.is-dragging {
  border-color: var(--eta-yellow-500);
  background: rgba(249, 188, 19, 0.06);
}

.upload-zone input[type="file"] {
  display: none;
}

.upload-zone-title {
  font-size: 1.15rem;
  font-weight: 700;
  margin-bottom: var(--eta-space-8);
}

.upload-zone-hint {
  font-size: 0.92rem;
  color: var(--eta-text-soft);
}

/* Gekleurde badge-pill (categorie, leverancier, status) */
.badge {
  display: inline-block;
  padding: 3px var(--eta-space-12);
  border-radius: 999px;
  font-size: 0.78rem;
  font-weight: 700;
  color: var(--eta-white);
  background: var(--eta-purple-900);
}

/* Grafiek-legenda */
.legend-pill {
  display: inline-flex;
  align-items: center;
  gap: var(--eta-space-8);
  font-size: 0.88rem;
  color: var(--eta-text-soft);
  margin-right: var(--eta-space-20);
}

.legend-pill .swatch {
  width: 10px;
  height: 10px;
  border-radius: 3px;
}

/* Laadindicator (korte acties liever geen spinner; canon 7.6) */
.spinner {
  display: inline-block;
  width: 18px;
  height: 18px;
  border: 2px solid rgba(46, 35, 67, 0.15);
  border-top-color: var(--eta-yellow-500);
  border-radius: 50%;
  animation: spin .8s linear infinite;
}

@keyframes spin {
  to { transform: rotate(360deg); }
}

/* Mini-staafjes in tabellen */
.bar-chart-row {
  display: flex;
  align-items: center;
  gap: var(--eta-space-12);
  justify-content: flex-end;
}

.bar {
  height: 5px;
  background: var(--eta-yellow-500);
  border-radius: 3px;
  min-width: 1px;
}

/* Vaste hoogte voor chart-canvassen (Chart.js e.d.) */
.chart-wrap {
  position: relative;
  height: 380px;
}

/* Monospace ID's / technische waarden */
.mono {
  font-family: var(--eta-font-mono);
}

/* === 11. Print (rapport-export via browser print-to-PDF) === */
@media print {
  @page {
    margin: 14mm;
  }

  html,
  body {
    background: #ffffff !important;
  }

  body {
    color: #1a1a1f;
    font-size: 11px;
    print-color-adjust: exact;
    -webkit-print-color-adjust: exact;
  }

  .print-hidden,
  .toolbar,
  .tabs,
  .btn,
  .back-link {
    display: none !important;
  }

  .app-header,
  .container {
    width: 100%;
    margin: 0;
    padding: 0;
  }

  .hero-block {
    color: #1a1a1f;
    background: #ffffff !important;
    box-shadow: none;
    border: 1px solid #dedee6;
    border-radius: 0;
    padding: 0 0 12px;
    margin-bottom: 16px;
  }

  .hero-block::after,
  .brand-logo {
    display: none;
  }

  .brand-lockup {
    margin-bottom: 8px;
  }

  .eyebrow,
  .brand-subline,
  h1,
  h1 .muted-suffix,
  .sub,
  .sub strong {
    color: #1a1a1f !important;
  }

  h1 {
    font-size: 22px;
  }

  .card,
  .kpi,
  .info-item {
    box-shadow: none !important;
    border-color: #dedee6;
    border-radius: 0;
    background: #ffffff !important;
  }

  .card {
    padding: 14px 0;
    margin-bottom: 12px;
    border-left: 0;
    border-right: 0;
  }

  .kpis {
    grid-template-columns: repeat(3, 1fr);
    gap: 8px;
    margin-bottom: 12px;
  }

  .kpi {
    padding: 10px;
  }

  .kpi:hover {
    transform: none;
  }

  .kpi .val {
    font-size: 18px;
  }

  .grid2 {
    grid-template-columns: 1fr;
    gap: 12px;
  }

  .chart-wrap {
    height: 280px !important;
  }

  table.simple {
    font-size: 9px;
  }

  table.simple th,
  table.simple td {
    padding: 4px 5px;
  }

  /* Rustig A4: de kolomkop print wit met een paarse lijn, net als de witte hero. */
  table.simple thead th {
    font-size: inherit;
    color: #1a1a1f;
    background: #ffffff !important;
    border-bottom: 2px solid var(--eta-purple-900);
  }

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

  /* Geef rapportsecties deze class zodat ze niet over een
     paginagrens breken */
  .print-section {
    break-inside: avoid;
    page-break-inside: avoid;
  }
}

/* === 12. Responsive === */
@media (max-width: 768px) {
  .app-header {
    margin: var(--eta-space-20) auto var(--eta-space-16);
    width: calc(100% - 24px);
  }

  .hero-block {
    padding: var(--eta-space-24);
  }

  .brand-logo {
    width: 54px;
    height: 54px;
    border-radius: 12px;
  }

  h1 {
    font-size: 1.8rem;
  }

  .container {
    width: calc(100% - 24px);
    padding: 0 0 var(--eta-space-48);
  }

  .card {
    padding: var(--eta-space-20);
  }

  .kpi {
    padding: var(--eta-space-16) var(--eta-space-20);
  }

  .kpi .val {
    font-size: 1.6rem;
  }

  .tabs {
    overflow-x: auto;
    flex-wrap: nowrap;
    -webkit-overflow-scrolling: touch;
    scrollbar-width: none;
  }

  .tabs::-webkit-scrollbar {
    display: none;
  }

  .tab {
    white-space: nowrap;
    flex-shrink: 0;
  }
}