/* =====================================================
   DESIGN TOKENS
   ===================================================== */
:root {
  --accent:           #5d617a;
  --accent-hover:     #484c63;
  --accent-light:     #e8e7f2;

  --pop:              rgb(43, 158, 173);
  --pop-hover:        rgb(35, 135, 148);
  --pop-light:        rgba(43, 158, 173, .12);

  --text:             #2b2c35;
  --text-muted:       #6b6d7e;
  --border:           #d9d8e2;

  --bg:               #f0efec;
  --bg-subtle:        #e4e3ee;

  --display-bg:       #343647;
  --display-prev:     #9a9bae;

  --btn-num-bg:       #fdfcfb;
  --btn-num-hover:    #eceae6;
  --btn-op-bg:        #e8e7f2;
  --btn-op-hover:     #d9d8ea;
  --btn-op-text:      #5d617a;
  --btn-eq-bg:        var(--pop);
  --btn-eq-hover:     var(--pop-hover);
  --btn-cl-bg:        #f5e6e6;
  --btn-cl-hover:     #edd8d8;
  --btn-cl-text:      #b94040;

  --radius:           8px;
  --radius-sm:        4px;
  --shadow:           0 1px 3px rgba(0,0,0,.10), 0 1px 2px rgba(0,0,0,.06);
  --shadow-md:        0 4px 6px -1px rgba(0,0,0,.10), 0 2px 4px -1px rgba(0,0,0,.06);
}

/* =====================================================
   RESET & BASE
   ===================================================== */
*, *::before, *::after {
  box-sizing: border-box;
  margin: 0;
  padding: 0;
}

html {
  font-size: 16px;
  scroll-behavior: smooth;
  -webkit-text-size-adjust: 100%;
}

body {
  font-family: 'Inter', system-ui, -apple-system, sans-serif;
  font-size: 1rem;
  line-height: 1.6;
  color: var(--text);
  background: linear-gradient(150deg, #f2f1ee 0%, #eceaf5 100%) fixed;
  min-height: 100vh;
  display: flex;
  flex-direction: column;
  -webkit-font-smoothing: antialiased;
}

main {
  flex: 1;
  padding: 20px 0 56px;
}

a {
  color: var(--accent);
  text-decoration: none;
}

a:hover {
  text-decoration: underline;
}

:focus-visible {
  outline: 2px solid var(--pop);
  outline-offset: 2px;
}

/* =====================================================
   LAYOUT
   ===================================================== */
.container {
  width: 100%;
  max-width: 800px;
  margin: 0 auto;
  padding: 0 16px;
}

/* =====================================================
   TOOL ROW (calc-wrapper + sticky sidebar ads)
   ===================================================== */
.tool-row {
  display: flex;
  align-items: flex-start;
  gap: 20px;
}

.tool-row .calc-wrapper {
  flex: 1;
  min-width: 0;
}

.sidebar {
  display: none;
  width: 160px;
  flex-shrink: 0;
}

.sidebar__ad {
  position: sticky;
  top: 68px;
  width: 160px;
}

@media (min-width: 700px) {
  .sidebar {
    display: block;
  }
}

/* =====================================================
   NAV
   ===================================================== */
.nav {
  border-top: 3px solid var(--pop);
  border-bottom: 1px solid var(--border);
  background: linear-gradient(135deg, #f5f4f1 0%, #edecf5 100%);
  position: sticky;
  top: 0;
  z-index: 10;
}

.nav__container {
  max-width: 800px;
  margin: 0 auto;
  padding: 0 16px;
  height: 48px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 12px;
}

.nav__brand {
  font-weight: 600;
  font-size: .875rem;
  color: var(--text);
  text-decoration: none;
  white-space: nowrap;
  flex-shrink: 0;
  display: flex;
  flex-direction: row;
  align-items: center;
  gap: 10px;
  line-height: 1.2;
}

.nav__logo {
  width: 32px;
  height: 32px;
  flex-shrink: 0;
}

.nav__brand-text {
  display: flex;
  flex-direction: column;
}

.nav__slogan {
  font-size: .7rem;
  font-weight: 400;
  color: var(--text-muted);
  letter-spacing: .01em;
}

.nav__brand:hover {
  color: var(--accent);
  text-decoration: none;
}

.nav__links {
  display: flex;
  align-items: center;
  gap: 2px;
}

.nav__links a {
  font-size: .8rem;
  color: var(--text-muted);
  text-decoration: none;
  padding: 4px 8px;
  border-radius: var(--radius-sm);
  white-space: nowrap;
  transition: color .12s;
}

.nav__links a:hover {
  color: var(--pop);
  text-decoration: none;
}

.nav__links a.active {
  color: var(--accent);
  font-weight: 600;
}

/* Badge op nav-link (bv. tool-teller) */
.nav__badge {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-width: 17px;
  height: 17px;
  padding: 0 4px;
  margin-left: 5px;
  background: #e05252;
  color: #fff;
  font-size: .65rem;
  font-weight: 700;
  border-radius: 9px;
  line-height: 1;
  letter-spacing: 0;
  position: relative;
  top: -1px;
}

/* Hamburger toggle — alleen zichtbaar op kleine schermen */
.nav__toggle {
  display: none;
  flex-direction: column;
  justify-content: center;
  gap: 5px;
  width: 32px;
  height: 32px;
  background: none;
  border: none;
  cursor: pointer;
  padding: 4px;
  flex-shrink: 0;
  -webkit-tap-highlight-color: transparent;
}

.nav__toggle-bar {
  display: block;
  width: 100%;
  height: 2px;
  background: var(--text-muted);
  border-radius: 2px;
  transition: background .12s;
}

.nav__toggle:hover .nav__toggle-bar {
  background: var(--pop);
}

@media (max-width: 768px) {
  .nav__container {
    height: auto;
    padding-top: 8px;
    padding-bottom: 8px;
    flex-wrap: wrap;
  }

  .nav__toggle {
    display: flex;
  }

  .nav__links {
    display: none;
    flex-direction: column;
    align-items: flex-start;
    gap: 0;
    width: 100%;
    padding-bottom: 8px;
  }

  .nav__links.open {
    display: flex;
  }

  .nav__links a {
    width: 100%;
    padding: 8px 4px;
    border-radius: 0;
    border-bottom: 1px solid var(--border);
    font-size: .875rem;
  }

  .nav__links a:last-child {
    border-bottom: none;
  }
}

/* =====================================================
   AD PLACEHOLDERS
   ===================================================== */
.ad {
  display: flex;
  justify-content: center;
  margin: 16px 0;
}

.ad__placeholder {
  background: var(--bg-subtle);
  border: 1px dashed var(--border);
  color: var(--text-muted);
  font-size: .75rem;
  letter-spacing: .05em;
  text-transform: uppercase;
  display: flex;
  align-items: center;
  justify-content: center;
  border-radius: var(--radius-sm);
  width: 100%;
}

.ad--banner .ad__placeholder {
  max-width: 728px;
  height: 50px;
}

.ad--rectangle .ad__placeholder {
  width: min(300px, 100%);
  height: 250px;
}

@media (min-width: 768px) {
  .ad--banner .ad__placeholder {
    height: 90px;
  }
}

/* =====================================================
   CALC WRAPPER & HEADING
   ===================================================== */
.calc-wrapper {
  max-width: 420px;
  margin: 0 auto;
}

h1 {
  font-size: 1.125rem;
  font-weight: 600;
  color: var(--text);
  margin-bottom: 10px;
}

/* =====================================================
   SEO TEXT
   ===================================================== */
.seo-text {
  margin-top: 36px;
}

.seo-text h2 {
  font-size: 1.05rem;
  font-weight: 600;
  color: var(--text);
  margin-bottom: 8px;
}

.seo-text p {
  color: #374151;
  font-size: .9375rem;
  margin-bottom: 20px;
  /* max-width: 65ch; */
  text-align: justify;
}

kbd {
  font-family: inherit;
  font-size: .8em;
  padding: 1px 6px;
  background: var(--bg-subtle);
  border: 1px solid var(--border);
  border-radius: 3px;
  color: var(--text);
}

/* =====================================================
   TOOLS GRID
   ===================================================== */
.tools-grid {
  margin-top: 36px;
  margin-bottom: 8px;
}

.tools-grid h2 {
  font-size: 1.05rem;
  font-weight: 600;
  color: var(--text);
  margin-bottom: 12px;
}

.tools-grid__cards {
  display: grid;
  grid-template-columns: 1fr;
  gap: 10px;
}

@media (min-width: 480px) {
  .tools-grid__cards {
    grid-template-columns: repeat(3, 1fr);
  }
}

.tool-card {
  display: block;
  padding: 14px 16px;
  border: 1px solid var(--border);
  border-left: 3px solid var(--pop);
  border-radius: var(--radius);
  background: rgba(255,255,255,.55);
  text-decoration: none;
  transition: border-color .12s, box-shadow .12s, background .12s;
}

.tool-card:hover {
  border-left-color: var(--pop-hover);
  background: rgba(255,255,255,.85);
  box-shadow: 0 2px 12px rgba(93,97,122,.12);
  text-decoration: none;
}

.tool-card__title {
  display: block;
  font-weight: 600;
  font-size: .875rem;
  color: var(--text);
  margin-bottom: 4px;
}

.tool-card__desc {
  display: block;
  font-size: .8rem;
  color: var(--text-muted);
  line-height: 1.4;
}

.tools-grid__more {
  display: inline-block;
  margin-top: 10px;
  font-size: .875rem;
  color: var(--accent);
  text-decoration: none;
}

.tools-grid__more:hover {
  color: var(--accent-hover);
  text-decoration: underline;
}

/* =====================================================
   FOOTER
   ===================================================== */
.footer {
  border-top: 1px solid var(--border);
  padding: 20px 0;
  background: linear-gradient(135deg, #e5e4ed 0%, #dcdbe8 100%);
}

.footer__links {
  display: flex;
  gap: 16px;
  margin-bottom: 6px;
  flex-wrap: wrap;
}

.footer__links a {
  font-size: .8rem;
  color: var(--text-muted);
}

.footer__links a:hover {
  color: var(--accent);
}

.footer__copyright {
  font-size: .8rem;
  color: var(--text-muted);
}

/* =====================================================
   PWA INSTALL BANNER
   ===================================================== */
.pwa-banner {
  position: fixed;
  bottom: 0;
  left: 0;
  right: 0;
  z-index: 998;
  background: var(--accent-light);
  border-top: 1px solid var(--border);
  box-shadow: 0 -2px 8px rgba(0,0,0,.15);
  padding: 12px 16px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 12px;
  flex-wrap: wrap;
}

.pwa-banner[hidden] {
  display: none;
}

.pwa-banner__text {
  font-size: .85rem;
  color: var(--text-muted);
  flex: 1;
  min-width: 180px;
  line-height: 1.4;
}

.pwa-banner__actions {
  display: flex;
  align-items: center;
  gap: 8px;
  flex-shrink: 0;
}

.pwa-banner__btn {
  font-family: inherit;
  font-size: .8rem;
  font-weight: 600;
  border: none;
  cursor: pointer;
  border-radius: var(--radius-sm);
  line-height: 1;
  transition: background .12s;
}

.pwa-banner__btn--install {
  background: var(--accent);
  color: #fff;
  padding: 8px 16px;
}

.pwa-banner__btn--install:hover {
  background: var(--pop);
}

.pwa-banner__btn--dismiss {
  background: transparent;
  color: var(--text-muted);
  padding: 4px 8px;
  font-size: 1.1rem;
}

.pwa-banner__btn--dismiss:hover {
  color: var(--text);
}

/* =====================================================
   FAQ — accordion met details/summary
   ===================================================== */
.faq {
  margin-top: 32px;
}

.faq > h2 {
  font-size: 1.15rem;
  font-weight: 600;
  color: var(--text);
  margin-bottom: 8px;
}

.faq__item {
  border-bottom: 1px solid var(--border);
}

.faq__item summary {
  font-size: .95rem;
  font-weight: 500;
  color: var(--text);
  cursor: pointer;
  padding: 14px 4px;
  list-style: none;
  display: flex;
  justify-content: space-between;
  align-items: center;
  user-select: none;
}

.faq__item summary::-webkit-details-marker { display: none; }

.faq__item summary::after {
  content: '+';
  font-size: 1.2rem;
  color: var(--accent);
  flex-shrink: 0;
  margin-left: 12px;
}

.faq__item[open] summary::after {
  content: '−';
}

.faq__item p {
  font-size: .9rem;
  color: var(--text-muted);
  line-height: 1.6;
  padding: 0 4px 14px;
  margin: 0;
}

/* =====================================================
   COOKIE CONSENT BANNER
   ===================================================== */
.cookie-banner {
  position: fixed;
  bottom: 0;
  left: 0;
  right: 0;
  background: #111827;
  color: #f9fafb;
  z-index: 1000;
  padding: 14px 16px;
  box-shadow: 0 -2px 8px rgba(0,0,0,.15);
}

.cookie-banner[hidden] {
  display: none;
}

.cookie-banner__content {
  max-width: 680px;
  margin: 0 auto;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
  flex-wrap: wrap;
}

.cookie-banner__content p {
  font-size: .85rem;
  flex: 1;
  min-width: 200px;
  line-height: 1.5;
}

.cookie-banner__content a {
  color: #93c5fd;
}

.cookie-banner__buttons {
  display: flex;
  gap: 8px;
  flex-shrink: 0;
}

.btn-cookie {
  font-family: inherit;
  font-size: .8rem;
  font-weight: 600;
  padding: 8px 18px;
  border-radius: var(--radius-sm);
  border: none;
  cursor: pointer;
  white-space: nowrap;
  transition: background .12s;
}

.btn-cookie--accept {
  background: var(--pop);
  color: #ffffff;
}
.btn-cookie--accept:hover {
  background: var(--pop-hover);
}

.btn-cookie--decline {
  background: transparent;
  color: #d1d5db;
  border: 1px solid #4b5563;
}
.btn-cookie--decline:hover {
  background: #1f2937;
}

/* =====================================================
   KNOPPEN — generieke knopstijlen (herbruikbaar)
   ===================================================== */
.btn {
  font-family: inherit;
  font-size: 1.1rem;
  font-weight: 500;
  border: none;
  cursor: pointer;
  height: 64px;
  display: flex;
  align-items: center;
  justify-content: center;
  background: var(--btn-num-bg);
  color: var(--text);
  transition: background .08s;
  -webkit-tap-highlight-color: transparent;
  user-select: none;
}

.btn:hover  { background: var(--btn-num-hover); }
.btn:active { filter: brightness(.88); }

.btn--wide { grid-column: span 2; }

.btn--operator {
  background: var(--btn-op-bg);
  color: var(--btn-op-text);
  font-weight: 600;
}
.btn--operator:hover { background: var(--btn-op-hover); }

.btn--equals {
  background: var(--btn-eq-bg);
  color: #ffffff;
  font-weight: 600;
}
.btn--equals:hover { background: var(--btn-eq-hover); }

.btn--clear {
  background: var(--btn-cl-bg);
  color: var(--btn-cl-text);
  font-weight: 600;
}
.btn--clear:hover { background: var(--btn-cl-hover); }

/* =====================================================
   TOOL WIDGET — dark-widget stijlen (herbruikbaar)
   ===================================================== */

/* Widget wrapper */
.btw-calc {
  width: 100%;
  background: var(--display-bg);
  border-radius: var(--radius);
  overflow: hidden;
  box-shadow: var(--shadow-md);
}

/* Display (resultaten) */
.btw-calc__display {
  padding: 20px 20px 16px;
  display: flex;
  flex-direction: column;
  gap: 0;
}

.btw-row {
  display: flex;
  justify-content: space-between;
  align-items: baseline;
  gap: 12px;
  padding: 10px 0;
}

.btw-row + .btw-row {
  border-top: 1px solid rgba(255,255,255,.07);
}

.btw-row__label {
  font-size: .8125rem;
  color: var(--display-prev);
  white-space: nowrap;
}

.btw-row__value {
  font-size: 1.25rem;
  font-weight: 300;
  color: #ffffff;
  text-align: right;
  word-break: break-all;
}

.btw-row--total .btw-row__label {
  color: #e5e6ec;
  font-weight: 600;
  font-size: .875rem;
}

.btw-row--total .btw-row__value {
  font-size: 1.5rem;
  font-weight: 500;
}

/* Invoer sectie */
.btw-calc__inputs {
  background: #2e3048;
  padding: 16px;
  display: flex;
  flex-direction: column;
  gap: 14px;
}

/* Toggle knoppen */
.toggle-group {
  display: flex;
  background: rgba(0,0,0,.2);
  border-radius: var(--radius-sm);
  padding: 3px;
  gap: 3px;
}

.toggle-btn {
  font-family: inherit;
  font-size: .8rem;
  font-weight: 500;
  flex: 1;
  padding: 7px 10px;
  border-radius: 3px;
  border: none;
  background: transparent;
  color: #9192a0;
  cursor: pointer;
  transition: background .12s, color .12s;
  white-space: nowrap;
  -webkit-tap-highlight-color: transparent;
}

.toggle-btn:hover      { color: #ffffff; }
.toggle-btn--active    { background: var(--pop); color: #ffffff; }

/* Invoervelden */
.btw-field {
  display: flex;
  flex-direction: column;
  gap: 6px;
}

.btw-label {
  font-size: .775rem;
  color: var(--display-prev);
  font-weight: 500;
  letter-spacing: .01em;
}

.btw-input {
  font-family: inherit;
  font-size: 1.1rem;
  font-weight: 500;
  background: var(--btn-num-bg);
  border: 1px solid transparent;
  border-radius: var(--radius-sm);
  padding: 10px 12px;
  color: var(--text);
  width: 100%;
  -moz-appearance: textfield;
  appearance: textfield;
}

.btw-input::-webkit-outer-spin-button,
.btw-input::-webkit-inner-spin-button {
  -webkit-appearance: none;
}

.btw-input:focus {
  outline: 2px solid var(--pop);
  outline-offset: -1px;
}

/* Percentage rij */
.btw-pct-row {
  display: flex;
  align-items: center;
  gap: 6px;
}

.btw-input--pct {
  width: 72px;
  flex-shrink: 0;
}

.btw-pct-symbol {
  color: var(--display-prev);
  font-size: .9rem;
  flex-shrink: 0;
}

.pct-btns {
  display: flex;
  gap: 6px;
  margin-left: auto;
}

.pct-btn {
  font-family: inherit;
  font-size: .8rem;
  font-weight: 600;
  padding: 8px 14px;
  border-radius: var(--radius-sm);
  border: 1px solid rgba(255,255,255,.12);
  background: transparent;
  color: #9192a0;
  cursor: pointer;
  transition: background .1s, color .1s, border-color .1s;
  white-space: nowrap;
  -webkit-tap-highlight-color: transparent;
}

.pct-btn:hover {
  background: rgba(255,255,255,.08);
  color: #ffffff;
}

.pct-btn--active {
  background: var(--pop);
  color: #ffffff;
  border-color: var(--pop);
}

/* =====================================================
   OMREKENTOOL — gedeelde widget-stijlen
   (temperatuur / lengte / kookmaten)
   ===================================================== */

.conv-calc {
  width: 100%;
  background: var(--display-bg);
  border-radius: var(--radius);
  overflow: hidden;
  box-shadow: var(--shadow-md);
}

/* Resultaten (donker blok boven) */
.conv-calc__display {
  padding: 20px 20px 16px;
  display: flex;
  flex-direction: column;
  gap: 0;
}

.conv-row {
  display: flex;
  justify-content: space-between;
  align-items: baseline;
  gap: 12px;
  padding: 10px 0;
}

.conv-row + .conv-row {
  border-top: 1px solid rgba(255,255,255,.07);
}

.conv-row__label {
  font-size: .8125rem;
  color: var(--display-prev);
  white-space: nowrap;
}

.conv-row__value {
  font-size: 1.25rem;
  font-weight: 300;
  color: #ffffff;
  text-align: right;
  word-break: break-all;
}

.conv-row--primary .conv-row__label {
  color: #e5e6ec;
  font-weight: 600;
  font-size: .875rem;
}

.conv-row--primary .conv-row__value {
  font-size: 1.5rem;
  font-weight: 500;
}

/* Scheidingslijn tussen groepen (bijv. metrisch/imperiaal) */
.conv-group-label {
  font-size: .7rem;
  font-weight: 600;
  letter-spacing: .06em;
  text-transform: uppercase;
  color: var(--display-prev);
  opacity: .6;
  padding: 14px 0 4px;
}

.conv-group-label:first-child {
  padding-top: 0;
}

/* Invoer (licht blok onder) */
.conv-calc__inputs {
  background: #2e3048;
  padding: 16px;
  display: flex;
  flex-direction: column;
  gap: 14px;
}

.conv-field {
  display: flex;
  flex-direction: column;
  gap: 6px;
}

.conv-label {
  font-size: .775rem;
  color: var(--display-prev);
  font-weight: 500;
  letter-spacing: .01em;
}

.conv-input,
.conv-select {
  font-family: inherit;
  font-size: 1.1rem;
  font-weight: 500;
  background: var(--btn-num-bg);
  border: 1px solid transparent;
  border-radius: var(--radius-sm);
  padding: 10px 12px;
  color: var(--text);
  width: 100%;
}

.conv-input {
  -moz-appearance: textfield;
  appearance: textfield;
}

.conv-input::-webkit-outer-spin-button,
.conv-input::-webkit-inner-spin-button {
  -webkit-appearance: none;
}

.conv-input:focus,
.conv-select:focus {
  outline: 2px solid var(--pop);
  outline-offset: -1px;
}

.conv-select {
  cursor: pointer;
}

/* Noot onder resultaten */
.conv-note {
  font-size: .75rem;
  color: var(--display-prev);
  padding: 0 20px 14px;
  opacity: .7;
}

/* =====================================================
   OPPERVLAKTE TOOL
   ===================================================== */

/* SVG visualisatie-gebied (donker blok bovenaan) */
.opp-svg-area {
  padding: 20px 20px 0;
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 12px;
}

.opp-svg {
  width: 100%;
  max-width: 300px;
  height: 160px;
}

/* Resultaten onder de SVG */
.opp-results {
  width: 100%;
  padding: 0 0 4px;
}

.opp-result-primary {
  display: flex;
  justify-content: space-between;
  align-items: baseline;
  padding: 10px 0;
  border-top: 1px solid rgba(255,255,255,.07);
}

.opp-result-primary__label {
  font-size: .875rem;
  font-weight: 600;
  color: #e5e6ec;
}

.opp-result-primary__value {
  font-size: 1.5rem;
  font-weight: 500;
  color: #ffffff;
  text-align: right;
}

.opp-result-secondary {
  display: flex;
  justify-content: space-between;
  align-items: baseline;
  padding: 6px 0 10px;
  border-top: 1px solid rgba(255,255,255,.07);
}

.opp-result-secondary[hidden] {
  display: none;
}

.opp-result-secondary__label {
  font-size: .875rem;
  font-weight: 600;
  color: #e5e6ec;
}

.opp-result-secondary__value {
  font-size: 1.5rem;
  font-weight: 500;
  color: #ffffff;
  text-align: right;
}

/* Omtrek niet berekenbaar — toon als kleine grijze melding */
.opp-result-secondary--msg .opp-result-secondary__label {
  font-size: .78rem;
  font-weight: 400;
  color: var(--display-prev);
}

.opp-result-secondary--msg .opp-result-secondary__value {
  font-size: .78rem;
  font-weight: 400;
  color: var(--display-prev);
}

/* Formule weergave (grijs, boven resultaat) */
.opp-result-formula {
  color: var(--display-prev);
  font-size: .8rem;
  text-align: right;
  padding-top: 10px;
  font-variant-numeric: tabular-nums;
}

.opp-result-formula[hidden] {
  display: none;
}

/* Omrekentabel */
.opp-conversions {
  width: 100%;
  padding: 0 20px 16px;
  display: flex;
  flex-direction: column;
  gap: 0;
}

.opp-conv-header {
  font-size: .7rem;
  font-weight: 600;
  letter-spacing: .06em;
  text-transform: uppercase;
  color: var(--display-prev);
  padding: 12px 0 4px;
  border-top: 1px solid rgba(255,255,255,.12);
  margin-top: 4px;
}

.opp-conv-header--omtrek {
  margin-top: 8px;
}

.opp-conv-header[hidden] {
  display: none;
}

.opp-conv-row {
  display: flex;
  justify-content: space-between;
  align-items: baseline;
  gap: 12px;
  padding: 7px 0;
  border-top: 1px solid rgba(255,255,255,.07);
}

.opp-conv-row__label {
  font-size: .8125rem;
  color: var(--display-prev);
  white-space: nowrap;
}

.opp-conv-row__value {
  font-size: 1rem;
  font-weight: 300;
  color: #ffffff;
  text-align: right;
  word-break: break-all;
}

.opp-conv-row--link {
  text-decoration: none;
  cursor: pointer;
  transition: background .12s;
  border-radius: 4px;
  margin: 0 -6px;
  padding-left: 6px;
  padding-right: 6px;
}
.opp-conv-row--link:hover {
  background: rgba(255,255,255,.06);
}
.opp-conv-row--link:hover .opp-conv-row__value {
  color: var(--accent);
}

.opp-conv-meer {
  display: block;
  margin-top: 10px;
  font-size: .78rem;
  color: var(--accent);
  text-decoration: none;
  text-align: right;
  padding: 4px 0 2px;
}
.opp-conv-meer[hidden] { display: none; }
.opp-conv-meer:hover { text-decoration: underline; }

/* Invoervelden wrapper */
.opp-calc {
  width: 100%;
  background: var(--display-bg);
  border-radius: var(--radius);
  overflow: hidden;
  box-shadow: var(--shadow-md);
}

.opp-calc__inputs {
  background: #2e3048;
  padding: 16px;
  display: flex;
  flex-direction: column;
  gap: 14px;
}

/* Twee invoervelden naast elkaar */
.opp-inputs-pair {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 10px;
}

/* Formulelabel */
.opp-formula {
  font-size: .8rem;
  color: var(--display-prev);
  font-style: italic;
  text-align: center;
  padding: 6px 20px 14px;
  opacity: .75;
}

/* =====================================================
   BREUKEN TOOL
   ===================================================== */

.breuk-calc {
  width: 100%;
  background: var(--display-bg);
  border-radius: var(--radius);
  overflow: hidden;
  box-shadow: var(--shadow-md);
}

/* Donkere display-zone */
.breuk-display {
  padding: 24px 20px 16px;
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 10px;
  min-height: 130px;
}

/* De vergelijking: breuk1 [op] breuk2 = resultaat */
.breuk-eq {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 14px;
  flex-wrap: wrap;
}

/* Visuele breuk: teller / streep / noemer gestapeld */
.breuk-frac {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 3px;
}

.breuk-frac__num,
.breuk-frac__den {
  font-size: 1.25rem;
  font-weight: 500;
  color: #fff;
  line-height: 1.1;
  min-width: 20px;
  text-align: center;
}

.breuk-frac__bar {
  width: 100%;
  min-width: 28px;
  height: 2px;
  background: rgba(255,255,255,.45);
  border-radius: 1px;
}

/* Resultaat-breuk: groter + accentkleur */
.breuk-frac--result .breuk-frac__num,
.breuk-frac--result .breuk-frac__den {
  font-size: 2rem;
  font-weight: 700;
}

.breuk-frac--result .breuk-frac__bar {
  background: var(--pop);
  height: 3px;
}

/* Resultaat als geheel getal */
.breuk-getal {
  font-size: 1.25rem;
  font-weight: 500;
  color: #fff;
}

.breuk-getal--result {
  font-size: 2.25rem;
  font-weight: 700;
  color: #fff;
}

/* Operator- en gelijkteken-symbolen */
.breuk-op-sym {
  font-size: 1.4rem;
  color: var(--display-prev);
  font-weight: 300;
  align-self: center;
}

/* Decimaal + gemengd getal onder de vergelijking */
.breuk-extra {
  font-size: .875rem;
  color: var(--display-prev);
  text-align: center;
}

/* Placeholder als niets ingevuld */
.breuk-placeholder {
  font-size: .9375rem;
  color: var(--display-prev);
  font-style: italic;
}

/* Foutmelding in de display */
.breuk-fout {
  font-size: .9375rem;
  color: #e07070;
  font-style: italic;
}

/* ─── Invoerzone ─── */
.breuk-inputs {
  background: #2e3048;
  padding: 20px 16px;
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 16px;
  flex-wrap: wrap;
}

/* Eén breuk-invoerblok (label + num-field + bar + den-field) */
.breuk-invoer {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 6px;
}

.breuk-invoer__label {
  font-size: .75rem;
  color: var(--display-prev);
  font-weight: 500;
  letter-spacing: .01em;
}

.breuk-invoer__field {
  width: 72px;
  text-align: center;
  font-family: inherit;
  font-size: 1.1rem;
  font-weight: 500;
  background: var(--btn-num-bg);
  border: 1px solid transparent;
  border-radius: var(--radius-sm);
  padding: 10px 8px;
  color: var(--text);
  -moz-appearance: textfield;
  appearance: textfield;
}

.breuk-invoer__field::-webkit-outer-spin-button,
.breuk-invoer__field::-webkit-inner-spin-button {
  -webkit-appearance: none;
}

.breuk-invoer__field:focus {
  outline: 2px solid var(--pop);
  outline-offset: -1px;
}

.breuk-invoer__bar {
  width: 72px;
  height: 2px;
  background: rgba(255,255,255,.28);
  border-radius: 1px;
}

/* Bewerkingsknoppen (2×2 grid) */
.breuk-ops {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 4px;
  background: rgba(0,0,0,.2);
  border-radius: var(--radius-sm);
  padding: 3px;
  align-self: center;
}

.breuk-op-btn {
  font-family: inherit;
  font-size: 1.15rem;
  font-weight: 500;
  padding: 8px 10px;
  border-radius: 3px;
  border: none;
  background: transparent;
  color: #9192a0;
  cursor: pointer;
  transition: background .12s, color .12s;
  text-align: center;
  line-height: 1;
  -webkit-tap-highlight-color: transparent;
}

.breuk-op-btn:hover        { color: #ffffff; }
.breuk-op-btn--actief      { background: var(--pop); color: #ffffff; }

/* ─── Stappenblok ─── */
.breuk-stappen {
  background: #fff;
  border-radius: var(--radius);
  border: 1px solid var(--border);
  padding: 16px;
  margin-top: 14px;
  display: flex;
  flex-direction: column;
  gap: 8px;
}

.breuk-stappen__titel {
  font-size: .875rem;
  font-weight: 600;
  color: var(--text);
}

.breuk-stap {
  font-size: .875rem;
  color: var(--text);
  padding: 9px 12px;
  background: var(--bg);
  border-radius: var(--radius-sm);
  border-left: 3px solid var(--pop);
  line-height: 1.65;
}

.breuk-stap__label {
  font-weight: 600;
  color: var(--accent);
  font-size: .75rem;
  text-transform: uppercase;
  letter-spacing: .04em;
  display: block;
  margin-bottom: 3px;
}

/* =====================================================
   STOPPEN MET ROKEN CALCULATOR
   ===================================================== */
.roken-calc {
  width: 100%;
  background: var(--display-bg);
  border-radius: var(--radius);
  overflow: hidden;
  box-shadow: var(--shadow-md);
}

.roken-form {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 12px;
  padding: 20px 20px 16px;
  background: #2e3048;
}

.roken-field {
  display: flex;
  flex-direction: column;
  gap: 5px;
}

.roken-field--full {
  grid-column: span 2;
}

.roken-field label {
  font-size: .78rem;
  color: var(--display-prev);
  font-weight: 500;
}

.roken-field input {
  background: rgba(255,255,255,.08);
  border: 1px solid rgba(255,255,255,.14);
  border-radius: 6px;
  color: #fff;
  font-size: 1rem;
  font-family: inherit;
  padding: 8px 10px;
  outline: none;
  width: 100%;
  box-sizing: border-box;
}

.roken-field input:focus {
  border-color: var(--pop);
}

.roken-field input[type="date"]::-webkit-calendar-picker-indicator {
  filter: invert(1) opacity(.5);
}

/* Resultaten */
.roken-results {
  padding: 16px 20px 20px;
}

.roken-results__title {
  font-size: .72rem;
  font-weight: 600;
  color: var(--display-prev);
  text-transform: uppercase;
  letter-spacing: .06em;
  margin-bottom: 12px;
}

.roken-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 8px;
  margin-bottom: 14px;
}

.roken-tile {
  background: rgba(255,255,255,.05);
  border-radius: 6px;
  padding: 10px 14px;
  display: flex;
  flex-direction: column;
  gap: 2px;
}

.roken-tile--jaar {
  border: 1px solid rgba(43,158,173,.5);
}

.roken-tile__label {
  font-size: .72rem;
  color: var(--display-prev);
  font-weight: 500;
}

.roken-tile__value {
  font-size: 1.15rem;
  font-weight: 600;
  color: #fff;
  font-variant-numeric: tabular-nums;
}

/* Al gespaard */
.roken-al-gespaard {
  background: rgba(43,158,173,.12);
  border: 1px solid rgba(43,158,173,.35);
  border-radius: 8px;
  padding: 12px 16px;
  margin-bottom: 14px;
  text-align: center;
}

.roken-al-gespaard__label {
  font-size: .72rem;
  font-weight: 600;
  color: var(--display-prev);
  text-transform: uppercase;
  letter-spacing: .05em;
  margin-bottom: 4px;
}

.roken-al-gespaard__waarde {
  font-size: 1.7rem;
  font-weight: 300;
  color: #fff;
  font-variant-numeric: tabular-nums;
}

.roken-al-gespaard__detail {
  font-size: .78rem;
  color: var(--display-prev);
  margin-top: 4px;
}

/* Vergelijkingen */
.roken-vergelijk {
  margin-bottom: 16px;
}

.roken-vergelijk__title {
  font-size: .72rem;
  font-weight: 600;
  color: var(--display-prev);
  text-transform: uppercase;
  letter-spacing: .06em;
  margin-bottom: 8px;
}

.roken-vergelijk__title span {
  font-weight: 400;
  text-transform: none;
  opacity: .7;
}

.roken-vergelijk__lijst {
  list-style: none;
  margin: 0;
  padding: 0;
  display: flex;
  flex-direction: column;
  gap: 5px;
}

.roken-vergelijk__lijst li {
  font-size: .875rem;
  color: rgba(255,255,255,.8);
  display: flex;
  align-items: center;
  gap: 6px;
}

.roken-vergelijk__lijst li::before {
  content: '→';
  color: var(--pop);
  flex-shrink: 0;
}

.vergelijk__aantal {
  font-weight: 600;
  color: #fff;
}

/* Mijlpalen */
.roken-mijlpalen {
  border-top: 1px solid rgba(255,255,255,.08);
  padding: 16px 20px 20px;
}

.roken-mijlpalen__title {
  font-size: .72rem;
  font-weight: 600;
  color: var(--display-prev);
  text-transform: uppercase;
  letter-spacing: .06em;
  margin-bottom: 10px;
}

.roken-mijlpalen__lijst {
  list-style: none;
  margin: 0;
  padding: 0;
  display: flex;
  flex-direction: column;
  gap: 7px;
}

.roken-mijlpalen__lijst li {
  display: flex;
  align-items: baseline;
  gap: 10px;
  font-size: .85rem;
}

.mijlpaal__tijd {
  font-weight: 600;
  color: var(--pop);
  white-space: nowrap;
  min-width: 110px;
  flex-shrink: 0;
}

.mijlpaal__tekst {
  color: rgba(255,255,255,.75);
  line-height: 1.4;
}


/* === VERGADERKOSTEN BEREKENEN === */

.verg-calc {
  display: flex;
  flex-direction: column;
  gap: 20px;
}

.verg-form {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 12px;
}

.verg-field {
  display: flex;
  flex-direction: column;
  justify-content: flex-end;
  gap: 4px;
}

.verg-field label {
  font-size: .85rem;
  font-weight: 500;
  color: var(--text-muted);
}

.verg-field input {
  padding: 10px 12px;
  border: 1.5px solid var(--border);
  border-radius: var(--radius);
  font-size: 1rem;
  font-family: inherit;
  color: var(--text);
  background: #fff;
  transition: border-color .15s;
  width: 100%;
  box-sizing: border-box;
}

.verg-field input:focus {
  outline: none;
  border-color: var(--pop);
}

.verg-results {
  background: #2c2e42;
  border-radius: 12px;
  overflow: hidden;
}

.verg-totaal {
  padding: 24px 20px 16px;
  text-align: center;
  border-bottom: 1px solid rgba(255,255,255,.08);
}

.verg-totaal__label {
  font-size: .72rem;
  font-weight: 600;
  color: rgba(255,255,255,.5);
  text-transform: uppercase;
  letter-spacing: .06em;
  margin-bottom: 6px;
}

.verg-totaal__waarde {
  font-size: 2.4rem;
  font-weight: 600;
  color: #fff;
  letter-spacing: -.02em;
}

.verg-stats {
  display: flex;
  flex-direction: column;
  gap: 0;
  padding: 4px 20px 12px;
  border-bottom: 1px solid rgba(255,255,255,.08);
}

.verg-stat {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 7px 0;
  border-bottom: 1px solid rgba(255,255,255,.05);
  font-size: .875rem;
}

.verg-stat:last-child {
  border-bottom: none;
}

.verg-stat__label {
  color: rgba(255,255,255,.6);
}

.verg-stat__waarde {
  font-weight: 600;
  color: #fff;
}

.verg-stat__waarde--accent {
  color: var(--pop);
}

.verg-timer {
  padding: 16px 20px;
  border-bottom: 1px solid rgba(255,255,255,.08);
}

.verg-timer__title {
  font-size: .72rem;
  font-weight: 600;
  color: rgba(255,255,255,.5);
  text-transform: uppercase;
  letter-spacing: .06em;
  margin-bottom: 10px;
}

.verg-timer__display {
  margin-bottom: 12px;
}

.verg-timer__kosten {
  font-size: 1.6rem;
  font-weight: 600;
  color: var(--pop);
  letter-spacing: -.01em;
}

.verg-timer__meta {
  font-size: .8rem;
  color: rgba(255,255,255,.45);
  margin-top: 2px;
}

.verg-timer__btn {
  display: inline-block;
  padding: 9px 20px;
  background: var(--pop);
  color: #fff;
  border: none;
  border-radius: var(--radius);
  font-size: .875rem;
  font-weight: 600;
  font-family: inherit;
  cursor: pointer;
  transition: background .15s;
}

.verg-timer__btn:hover {
  background: var(--pop-hover);
}

.verg-timer__btn--stop {
  background: #c0392b;
}

.verg-timer__btn--stop:hover {
  background: #a93226;
}

.verg-vergelijk {
  padding: 16px 20px 20px;
}

.verg-vergelijk__title {
  font-size: .72rem;
  font-weight: 600;
  color: rgba(255,255,255,.5);
  text-transform: uppercase;
  letter-spacing: .06em;
  margin-bottom: 8px;
}

.verg-vergelijk__title span {
  font-weight: 400;
  text-transform: none;
  opacity: .7;
}

.verg-vergelijk__lijst {
  list-style: none;
  margin: 0;
  padding: 0;
  display: flex;
  flex-direction: column;
  gap: 5px;
}

.verg-vergelijk__lijst li {
  font-size: .875rem;
  color: rgba(255,255,255,.8);
  display: flex;
  align-items: center;
  gap: 6px;
}

.verg-vergelijk__lijst li::before {
  content: '\2192';
  color: var(--pop);
  flex-shrink: 0;
}

@media (max-width: 480px) {
  .verg-form {
    grid-template-columns: 1fr;
  }
  .verg-totaal__waarde {
    font-size: 2rem;
  }
}


/* === DEEL KNOP (share) === */
.share-btn {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  padding: 10px 18px;
  background: transparent;
  border: 1.5px solid rgba(255,255,255,.2);
  border-radius: var(--radius);
  color: rgba(255,255,255,.65);
  font-size: .875rem;
  font-weight: 500;
  font-family: inherit;
  cursor: pointer;
  transition: border-color .15s, color .15s;
  width: 100%;
  box-sizing: border-box;
}

.share-btn:hover {
  border-color: var(--pop);
  color: var(--pop);
}

.share-btn--success {
  border-color: #2ecc71;
  color: #2ecc71;
}

/* Lichte variant (datum-tool, buiten donker blok) */
.share-btn--light {
  border-color: var(--border);
  color: var(--text-muted);
}

.share-btn--light:hover {
  border-color: var(--pop);
  color: var(--pop);
}

.share-btn--light.share-btn--success {
  border-color: #27ae60;
  color: #27ae60;
}