/* Gedeelde stijl voor beide advies-sites. Mobiel eerst.
 *
 * Ontwerp: het onderwerp is de energierekening. Daarom een rekentool met de
 * uitkomst als afrekeningsregels (salderen) en de terugverdientijd in de
 * kleuren van het energielabel (batterijen). Verder rustig: inkt, wit, grijze
 * panelen, één blauw voor links. Geen hoofdletterlabels, geen schaduwen. */
:root {
  --ink: #1b2430;
  --text: #1b2430;
  --muted: #56616d;
  --faint: #7d8792;
  --paper: #ffffff;
  --panel: #eef1f4;
  --line: #d8dde3;
  --link: #1f5fad;
  --sun: #f2c230;
  --warn: #8a5300;
  --bad: #b3261e;
  --head-bg: #1b2430;
  --head-text: #ffffff;
  color-scheme: light dark;
}
@media (prefers-color-scheme: dark) {
  :root {
    --text: #e6ebf0;
    --muted: #a7b1bb;
    --faint: #7f8a95;
    --paper: #11171e;
    --panel: #1a222c;
    --line: #2c3743;
    --link: #7fb0ec;
    --warn: #e2b062;
    --bad: #f08a84;
    --head-bg: #0b1016;
  }
}

* { box-sizing: border-box; }
html { -webkit-text-size-adjust: 100%; }
body {
  margin: 0;
  background: var(--paper);
  color: var(--text);
  font: 16px/1.55 "Segoe UI", -apple-system, BlinkMacSystemFont, Roboto, "Helvetica Neue", Arial, sans-serif;
  font-variant-numeric: tabular-nums;
}
a { color: var(--link); text-underline-offset: 2px; }
h1, h2, h3 { margin: 0 0 .5em; line-height: 1.15; font-weight: 700; }
h1 { font-size: 1.9rem; letter-spacing: -.02em; max-width: 18em; }
h2 { font-size: 1.2rem; letter-spacing: -.01em; }
h3 { font-size: 1rem; }
p { margin: 0 0 1em; }
:focus-visible { outline: 2px solid var(--link); outline-offset: 2px; }
.wrap { max-width: 1080px; margin: 0 auto; padding: 0 16px; }
.hidden { display: none !important; }

/* Kopbalk */
.top { background: var(--head-bg); color: var(--head-text); }
.top .wrap { display: flex; align-items: center; justify-content: space-between; min-height: 52px; gap: 12px; }
.logo { color: var(--head-text); font-weight: 700; text-decoration: none; letter-spacing: -.01em; }
.top nav a { color: #c9d2db; font-size: .9rem; text-decoration: none; margin-left: 18px; }
.top nav a:hover { color: #fff; }

.intro { padding: 28px 0 20px; }
.intro p { color: var(--muted); max-width: 38em; margin: 0; font-size: 1.05rem; }
.note { font-size: .86rem; color: var(--muted); }

/* Rekentool: formulier en uitkomst */
.tool { display: grid; gap: 20px; align-items: start; }
.panel { background: var(--panel); border-radius: 4px; padding: 18px; }
.panel h2 { margin-bottom: .3em; }

.form-grid { display: grid; gap: 14px; }
label { display: block; font-weight: 600; font-size: .93rem; margin-bottom: 4px; }
.hint { display: block; font-weight: 400; color: var(--muted); font-size: .83rem; }
input[type=number] {
  width: 100%; font: inherit; padding: 9px 11px; min-height: 44px;
  border: 1px solid var(--line); border-radius: 3px; background: var(--paper); color: var(--text);
}
input[type=number]:focus { outline: 2px solid var(--link); outline-offset: -1px; }
input.invalid { border-color: var(--bad); }
.unit { position: relative; }
.unit input { padding-right: 54px; }
.unit::after {
  content: attr(data-unit); position: absolute; right: 11px; top: 50%; transform: translateY(-50%);
  color: var(--faint); font-size: .85rem; pointer-events: none;
}
.grid-3, .grid-2, .grid-4 { display: grid; gap: 14px; }
.grid-4 { grid-template-columns: repeat(2, 1fr); gap: 10px; }
fieldset.keuze { border: 0; padding: 0; margin: 0; }
fieldset.keuze legend { font-weight: 600; font-size: .93rem; padding: 0; margin-bottom: 4px; }
fieldset.keuze label { font-weight: 400; display: flex; align-items: center; gap: 9px; margin: 0; padding: 5px 0; cursor: pointer; }
fieldset.keuze input { accent-color: var(--ink); width: 17px; height: 17px; margin: 0; flex: none; }
@media (prefers-color-scheme: dark) { fieldset.keuze input { accent-color: var(--link); } }
details.extra summary { cursor: pointer; color: var(--link); font-size: .93rem; }
details.extra[open] summary { margin-bottom: 12px; }
.btn {
  font: inherit; font-weight: 600; border: 0; border-radius: 3px; cursor: pointer; min-height: 46px;
  background: var(--ink); color: #fff; padding: 11px 20px; text-decoration: none; display: inline-block;
}
@media (prefers-color-scheme: dark) { .btn { background: var(--link); color: #0b1016; } }
.btn:hover { background: var(--link); }
.warn { background: #fdf3df; color: #6b4300; border-radius: 3px; padding: 9px 12px; font-size: .9rem; }
@media (prefers-color-scheme: dark) { .warn { background: #2a2214; color: var(--warn); } }
.warn:empty { display: none; }

.leeg { color: var(--muted); padding: 8px 0 24px; max-width: 30em; }
.leeg b { color: var(--text); display: block; font-size: 1.1rem; margin-bottom: 4px; }

/* Afrekening: de uitkomst als regels op een rekening */
.afrekening { border-top: 3px solid var(--text); }
.afrekening h2 { margin: 12px 0 2px; }
.afrekening .sub { color: var(--muted); font-size: .88rem; margin-bottom: 10px; }
.regel { display: flex; justify-content: space-between; gap: 16px; padding: 7px 0; border-bottom: 1px solid var(--line); font-size: .95rem; }
.regel span:last-child { white-space: nowrap; text-align: right; }
.regel.totaal {
  background: var(--sun); color: #1b2430; border: 0; margin-top: 10px; padding: 12px; border-radius: 3px;
  font-weight: 700; font-size: 1.15rem; align-items: baseline;
}
.regel.totaal small { display: block; font-weight: 400; font-size: .82rem; }
.regel.klein { color: var(--muted); font-size: .86rem; border: 0; padding-top: 8px; }
.cijfers { display: grid; grid-template-columns: repeat(2, 1fr); gap: 10px 16px; margin: 18px 0 0; font-size: .84rem; color: var(--muted); }
.cijfers b { display: block; color: var(--text); font-size: 1rem; }

.opties { margin-top: 32px; }
.opties > p { color: var(--muted); font-size: .88rem; }
.optie { padding: 12px 0; border-bottom: 1px solid var(--line); }
.optie:first-of-type { border-top: 1px solid var(--line); }
.optie .kop { display: flex; justify-content: space-between; gap: 16px; align-items: baseline; }
.optie h3 { margin: 0; font-size: .98rem; }
.optie .bedrag { font-weight: 700; white-space: nowrap; text-align: right; }
.optie .bedrag small { display: block; font-weight: 400; color: var(--muted); font-size: .8rem; }
.optie .bedrag.wisselend { color: var(--warn); }
.optie p { margin: 4px 0 0; color: var(--muted); font-size: .9rem; max-width: 40em; }
.optie p.eb { color: var(--faint); font-size: .83rem; }
.tip { background: var(--panel); border-radius: 3px; padding: 10px 12px; font-size: .9rem; margin: 0 0 12px; }
.tip:empty { display: none; }

/* Nu tegenover vanaf 2027 */
.vergelijk { width: 100%; border-collapse: collapse; font-size: .93rem; }
.vergelijk th, .vergelijk td { text-align: left; vertical-align: top; padding: 10px 12px 10px 0; border-bottom: 1px solid var(--line); }
.vergelijk thead th { font-size: .88rem; color: var(--muted); font-weight: 600; border-bottom: 2px solid var(--text); }
.vergelijk tbody th { font-weight: 600; width: 28%; }

/* Batterijtabel */
.toolbar { display: flex; flex-wrap: wrap; align-items: center; gap: 8px; margin: 0 0 12px; }
.toolbar span { color: var(--muted); font-size: .88rem; }
.chip {
  font: inherit; font-size: .88rem; background: var(--paper); color: var(--text); cursor: pointer;
  border: 1px solid var(--line); border-radius: 3px; padding: 6px 12px; min-height: 36px;
}
.chip[aria-pressed=true] { background: var(--ink); border-color: var(--ink); color: #fff; }
@media (prefers-color-scheme: dark) { .chip[aria-pressed=true] { background: var(--link); border-color: var(--link); color: #0b1016; } }

.table { border-top: 3px solid var(--text); }
.row { display: grid; grid-template-columns: 1fr auto; gap: 4px 14px; padding: 14px 0; border-bottom: 1px solid var(--line); align-items: start; }
.row.head { display: none; }
.row .naam { grid-row: 1; grid-column: 1; }
.row .pb { grid-row: 1; grid-column: 2; text-align: right; }
.row .cells { grid-row: 2; grid-column: 1 / -1; display: flex; flex-wrap: wrap; gap: 2px 16px; font-size: .88rem; color: var(--muted); }
.row .cells b { color: var(--text); font-weight: 600; }
.row details { grid-row: 3; grid-column: 1 / -1; font-size: .86rem; }
.row .brand { color: var(--muted); font-size: .82rem; }
.row .name { font-weight: 700; }
.label-line { font-size: .82rem; color: var(--muted); margin: 2px 0 0; }
.tag { font-weight: 600; }
.tag.open { color: #1d7a45; }
.tag.closed { color: var(--warn); }
.tag.unknown { color: var(--faint); }
@media (prefers-color-scheme: dark) { .tag.open { color: #6fcf97; } }
.row details summary { cursor: pointer; color: var(--link); }
.row dl { display: grid; grid-template-columns: auto 1fr; gap: 3px 16px; margin: 8px 0 4px; }
.row dt { color: var(--muted); }
.row dd { margin: 0; }
.row .pb small { display: block; font-size: .78rem; color: var(--muted); margin-top: 3px; white-space: nowrap; }

/* Terugverdientijd als pijl in de kleuren van het energielabel.
 * Bewust zonder letter: het is geen officieel label. */
.pijl {
  display: inline-block; min-width: 92px; padding: 5px 22px 5px 10px; font-weight: 700; font-size: .95rem;
  clip-path: polygon(0 0, calc(100% - 12px) 0, 100% 50%, calc(100% - 12px) 100%, 0 100%);
  color: #fff; white-space: nowrap; text-align: left;
}
.pijl.s1 { background: #00843d; }
.pijl.s2 { background: #3fa535; }
.pijl.s3 { background: #a7c933; color: #1b2430; }
.pijl.s4 { background: #ffd500; color: #1b2430; }
.pijl.s5 { background: #f9b000; color: #1b2430; }
.pijl.s6 { background: #ea6a1a; }
.pijl.s7 { background: #d7261e; }
.pijl.nvt { background: var(--panel); color: var(--muted); clip-path: none; font-weight: 500; padding-right: 10px; }
.schaal { display: flex; gap: 2px; margin: 0 0 14px; font-size: .8rem; color: var(--muted); align-items: center; }
.schaal i { width: 20px; height: 10px; display: inline-block; }
.schaal span { margin: 0 6px; }

/* Overige secties */
.blok { margin: 48px 0; }
.blok > h2 { margin-bottom: .6em; }
.links { display: grid; gap: 12px; }
.links p { margin: 0; color: var(--muted); font-size: .92rem; }
.links a { font-weight: 600; }
footer { background: var(--panel); margin-top: 56px; padding: 22px 0 36px; font-size: .84rem; color: var(--muted); }
footer p { margin: 0 0 .5em; max-width: 52em; }

@media (min-width: 720px) {
  h1 { font-size: 2.4rem; }
  .grid-2 { grid-template-columns: 1fr 1fr; }
  .grid-4 { grid-template-columns: repeat(4, 1fr); }
  .cijfers { grid-template-columns: repeat(4, 1fr); }
  .links { grid-template-columns: 1fr 1fr; gap: 24px; }
  .row { grid-template-columns: 2.4fr 1fr 1fr 1fr 1.3fr; align-items: center; }
  .row.head { display: grid; font-size: .82rem; color: var(--muted); padding: 8px 0; }
  .row.head div:last-child { text-align: right; }
  .row .naam, .row .pb, .row .cells { grid-row: auto; grid-column: auto; }
  .row .cells { display: contents; }
  .row .cells .k { display: none; }
  .row .cells span { font-size: .93rem; color: var(--text); }
  .row details { grid-row: auto; grid-column: 1 / -1; }
}
@media (min-width: 960px) {
  .tool { grid-template-columns: 340px 1fr; gap: 40px; }
}
@media (min-width: 960px) and (min-height: 820px) {
  .tool > .panel { position: sticky; top: 16px; }
}
/* Gridkolommen mogen smaller worden dan hun inhoud (anders loopt de tabel buiten beeld). */
.tool > * { min-width: 0; }
.schaal .pijl { min-width: 0; width: 22px; height: 10px; padding: 0; clip-path: polygon(0 0, calc(100% - 5px) 0, 100% 50%, calc(100% - 5px) 100%, 0 100%); }

/* ===== Lagen: eerst één vraag tegelijk, dan het antwoord, details uitklapbaar ===== */
.wrap.smal { max-width: 680px; }
.wrap.middel { max-width: 880px; }

/* Vragen */
#vragen { padding: 22px 20px 20px; }
.voortgang { display: flex; gap: 4px; margin-bottom: 14px; }
.voortgang i { flex: 1; height: 4px; background: var(--line); border-radius: 2px; }
.voortgang i.aan { background: var(--text); }
.stap { color: var(--muted); font-size: .88rem; margin: 0 0 6px; }
.vraag { display: grid; gap: 12px; }
.vraag-tekst { font-size: 1.35rem; font-weight: 700; line-height: 1.25; margin: 0; letter-spacing: -.01em; }
.vraag input[type=number] { font-size: 1.15rem; min-height: 52px; }
details.waar summary { cursor: pointer; color: var(--link); font-size: .93rem; }
details.waar p { margin: 8px 0 0; font-size: .93rem; color: var(--muted); }
.knoppen { display: flex; align-items: center; gap: 18px; flex-wrap: wrap; margin-top: 4px; }
.linkknop { font: inherit; background: none; border: 0; padding: 6px 0; color: var(--link); cursor: pointer; text-decoration: underline; text-underline-offset: 2px; }
.linkknop.terug { margin-top: 14px; font-size: .9rem; color: var(--muted); }
.keuzes { display: grid; gap: 8px; }
.keuze-knop {
  font: inherit; text-align: left; cursor: pointer; padding: 14px 16px; min-height: 52px;
  background: var(--paper); color: var(--text); border: 1px solid var(--line); border-radius: 4px;
}
.keuze-knop:hover, .keuze-knop.gekozen { border-color: var(--text); }

/* Antwoord */
.terugregel { margin: 0 0 8px; }
.antwoord { padding: 6px 0 18px; }
.antwoord p { margin: 0; color: var(--muted); font-size: 1.05rem; }
.antwoord .groot { color: var(--text); font-size: 1.9rem; font-weight: 700; line-height: 1.2; letter-spacing: -.02em; margin: 2px 0 4px; }
.antwoord .groot span { background: var(--sun); color: #1b2430; padding: 0 6px; border-radius: 3px; }
.antwoord .sub { font-size: .92rem; }
.opties-kop { margin-top: 28px; }

/* Uitklapbare lagen */
details.laag { border-top: 1px solid var(--line); }
details.laag:last-of-type { border-bottom: 1px solid var(--line); }
details.laag + details.laag { border-top: 1px solid var(--line); }
details.laag summary { cursor: pointer; padding: 13px 0; font-weight: 600; color: var(--text); list-style: none; display: flex; justify-content: space-between; gap: 12px; }
details.laag summary::-webkit-details-marker { display: none; }
details.laag summary::after { content: "+"; color: var(--muted); font-weight: 400; font-size: 1.3rem; line-height: 1; transition: transform .15s; }
details.laag[open] summary::after { transform: rotate(45deg); }
.laag-inhoud { padding: 0 0 16px; }
.laag-inhoud .regel.totaal { background: var(--panel); color: var(--text); font-size: 1rem; }
#opties-top .optie:first-child { border-top: 1px solid var(--line); }
#opties-top .optie:last-child { border-bottom: 0; }
@media (min-width: 720px) {
  .antwoord .groot { font-size: 2.4rem; }
  .vraag-tekst { font-size: 1.55rem; }
}
.smal-blok { max-width: 640px; }
#top .row:last-child { border-bottom: 0; }
/* Top 3: altijd als kaart met labels, ook op desktop (geen kolomkoppen nodig). */
@media (min-width: 720px) {
  #top .row { grid-template-columns: 1fr auto; align-items: start; }
  #top .row .naam { grid-row: 1; grid-column: 1; }
  #top .row .pb { grid-row: 1; grid-column: 2; }
  #top .row .cells { grid-row: 2; grid-column: 1 / -1; display: flex; }
  #top .row .cells .k { display: inline; }
  #top .row .cells span { color: var(--muted); font-size: .9rem; }
  #top .row details { grid-row: 3; }
}