/*
Theme Name: Supercalc
Theme URI: https://supercalc.nl/
Author: Supercalc.nl
Description: Snel, eigen thema voor Supercalc.nl met 50 Nederlandse rekenhulpen, uitlegteksten, werkende zoekfunctie met directe suggesties, gestructureerde gegevens en advertentieplekken. Activeer het thema en ga naar Weergave → Supercalc om de pagina's te installeren.
Version: 2.0.0
Requires at least: 6.3
Tested up to: 6.8
Requires PHP: 7.4
License: GNU General Public License v2 or later
License URI: https://www.gnu.org/licenses/gpl-2.0.html
Text Domain: supercalc
Tags: one-column, two-columns, custom-logo, custom-menu, accessibility-ready
*/

/* ===== Tokens: het rekenschrift ===== */
:root {
	--paper: #ffffff;
	--paper-2: #f4f6fb;
	--text: #1b1e27;
	--muted: #5a6072;
	--ink: #1d2f99;           /* vulpen-blauw */
	--ink-soft: #e7ebfa;
	--grid: #dde4f6;          /* ruitjes */
	--margin: #e0525a;        /* rode kantlijn */
	--marker: #ffe45c;        /* markeerstift */
	--rule: #e3e6ee;
	--focus: #ff9f1c;
	--radius: 6px;
	--wrap: 1160px;
	--font: system-ui, -apple-system, "Segoe UI", Roboto, "Helvetica Neue", Arial, "Noto Sans", sans-serif;
	--mono: ui-monospace, "SF Mono", "Cascadia Mono", Menlo, Consolas, monospace;
	color-scheme: light;
}
@media (prefers-color-scheme: dark) {
	:root {
		--paper: #11131a;
		--paper-2: #181b25;
		--text: #e8eaf1;
		--muted: #a2a8ba;
		--ink: #a9b8ff;
		--ink-soft: #222844;
		--grid: rgba(169, 184, 255, .12);
		--margin: #ff7a80;
		--marker: rgba(255, 228, 92, .38);
		--rule: #2a2e3b;
		color-scheme: dark;
	}
}

/* ===== Basis ===== */
*, *::before, *::after { box-sizing: border-box; }
html { -webkit-text-size-adjust: 100%; scroll-padding-top: 1rem; }
body {
	margin: 0;
	background: var(--paper);
	color: var(--text);
	font: 400 1.0625rem/1.65 var(--font);
	font-variant-numeric: tabular-nums;
	-webkit-font-smoothing: antialiased;
}
img, svg, video { max-width: 100%; height: auto; }
a { color: var(--ink); text-underline-offset: .18em; text-decoration-thickness: 1px; }
a:hover { text-decoration-thickness: 2px; }
:focus-visible { outline: 3px solid var(--focus); outline-offset: 2px; border-radius: 2px; }
h1, h2, h3, h4 { line-height: 1.2; letter-spacing: -0.015em; margin: 0 0 .5em; text-wrap: balance; }
h1 { font-size: clamp(2rem, 4.2vw, 2.9rem); font-weight: 800; letter-spacing: -0.03em; }
h2 { font-size: 1.45rem; font-weight: 750; }
h3 { font-size: 1.12rem; font-weight: 700; }
p, ul, ol { margin: 0 0 1.1em; }
.wrap { width: 100%; max-width: var(--wrap); margin: 0 auto; padding: 0 20px; }
.screen-reader-text { position: absolute !important; width: 1px; height: 1px; overflow: hidden; clip: rect(0 0 0 0); white-space: nowrap; }
.skip-link:focus { position: fixed !important; top: 8px; left: 8px; width: auto; height: auto; clip: auto; z-index: 100; background: var(--paper); padding: .6em 1em; border: 2px solid var(--ink); }
.lede { font-size: 1.15rem; color: var(--muted); max-width: 40em; }
.section-title { font-size: 1.25rem; margin-bottom: 1rem; }

/* ===== Kop ===== */
.site-header { border-bottom: 1px solid var(--rule); background: var(--paper); }
.site-header-inner { display: flex; align-items: center; gap: 20px; min-height: 68px; }
.wordmark { display: inline-flex; align-items: center; gap: 10px; color: var(--ink); text-decoration: none; font-weight: 800; font-size: 1.3rem; letter-spacing: -0.03em; }
.wordmark span { color: var(--text); }
.custom-logo-link img { max-height: 44px; width: auto; }
.header-search { flex: 1; max-width: 420px; margin-left: auto; }
.site-nav-toggle { display: none; }
.site-nav { border-top: 1px solid var(--rule); }
.nav-list { list-style: none; margin: 0; padding: 0; display: flex; flex-wrap: wrap; gap: 4px 22px; }
.nav-list a { display: block; padding: 11px 0; color: var(--text); text-decoration: none; font-weight: 600; font-size: .95rem; border-bottom: 2px solid transparent; }
.nav-list a:hover { color: var(--ink); }
.nav-list .is-current a, .nav-list .current-menu-item a { color: var(--ink); border-bottom-color: var(--ink); }

@media (max-width: 760px) {
	.site-header-inner { flex-wrap: wrap; gap: 10px 14px; padding-top: 10px; padding-bottom: 10px; }
	.header-search { order: 3; flex-basis: 100%; max-width: none; }
	.site-nav-toggle { display: inline-flex; align-items: center; gap: 8px; margin-left: auto; background: none; border: 1px solid var(--rule); border-radius: var(--radius); padding: 8px 12px; font: 600 .95rem var(--font); color: var(--text); cursor: pointer; }
	.site-nav-toggle .bars, .site-nav-toggle .bars::before, .site-nav-toggle .bars::after { display: block; width: 16px; height: 2px; background: currentColor; position: relative; }
	.site-nav-toggle .bars::before, .site-nav-toggle .bars::after { content: ""; position: absolute; left: 0; }
	.site-nav-toggle .bars::before { top: -5px; }
	.site-nav-toggle .bars::after { top: 5px; }
	.site-nav { display: none; }
	.nav-open .site-nav { display: block; }
	.nav-list { flex-direction: column; gap: 0; }
	.nav-list a { padding: 12px 0; border-bottom: 1px solid var(--rule); }
}

/* ===== Zoeken ===== */
.sc-search { position: relative; display: flex; }
.sc-search input[type="search"] {
	flex: 1; min-width: 0; font: inherit; font-size: 1rem; color: var(--text);
	padding: 10px 14px; border: 1.5px solid var(--rule); border-right: 0; border-radius: var(--radius) 0 0 var(--radius);
	background: var(--paper); -webkit-appearance: none; appearance: none;
}
.sc-search input[type="search"]:focus { border-color: var(--ink); outline: none; box-shadow: 0 0 0 3px var(--ink-soft); }
.sc-search button {
	font: 600 .95rem var(--font); padding: 0 16px; border: 0; cursor: pointer;
	background: var(--ink); color: var(--paper); border-radius: 0 var(--radius) var(--radius) 0;
}
.sc-search.is-large input[type="search"] { font-size: 1.15rem; padding: 15px 18px; border-width: 2px; border-color: var(--ink); }
.sc-search.is-large button { padding: 0 24px; font-size: 1.05rem; }
.sc-suggest {
	position: absolute; top: calc(100% + 6px); left: 0; right: 0; z-index: 50;
	list-style: none; margin: 0; padding: 6px; background: var(--paper);
	border: 1.5px solid var(--ink); border-radius: var(--radius);
	box-shadow: 0 12px 28px -12px rgba(29, 47, 153, .35);
}
.sc-suggest li a { display: flex; justify-content: space-between; gap: 12px; padding: 9px 10px; border-radius: 4px; color: var(--text); text-decoration: none; }
.sc-suggest li a small { color: var(--muted); white-space: nowrap; }
.sc-suggest li a:hover, .sc-suggest li.is-active a { background: var(--ink-soft); }
.sc-suggest-none { padding: 9px 10px; color: var(--muted); font-size: .95rem; }

/* ===== Voorpagina ===== */
.home-hero { padding: clamp(32px, 6vw, 72px) 0 clamp(32px, 5vw, 56px); border-bottom: 1px solid var(--rule); }
.home-hero-grid { display: grid; grid-template-columns: minmax(0, 1.15fr) minmax(0, .85fr); gap: clamp(28px, 5vw, 64px); align-items: start; }
.home-hero h1 { font-size: clamp(2.4rem, 6vw, 4rem); line-height: 1.02; margin-bottom: .35em; }
.home-hero .lede { margin-bottom: 1.6em; }
.popular { margin-top: 22px; }
.popular-label { font-size: .9rem; color: var(--muted); margin-bottom: .5em; }
.popular ul, .chip-list { list-style: none; margin: 0; padding: 0; display: flex; flex-wrap: wrap; gap: 8px; }
.popular a, .chip-list a {
	display: inline-block; padding: 6px 12px; border: 1px solid var(--rule); border-radius: 999px;
	color: var(--text); text-decoration: none; font-size: .95rem; background: var(--paper);
}
.popular a:hover, .chip-list a:hover { border-color: var(--ink); color: var(--ink); }

.home-cats { padding: clamp(36px, 5vw, 60px) 0; }
.cat-grid { display: grid; grid-template-columns: repeat(3, minmax(0, 1fr)); gap: 36px 40px; }
.cat-block h3 { display: flex; align-items: center; gap: 10px; font-size: 1.15rem; padding-bottom: 10px; border-bottom: 2px solid var(--ink); }
.cat-block h3 a { color: var(--text); text-decoration: none; }
.cat-block h3 a:hover { color: var(--ink); }
.cat-mark { display: inline-grid; place-items: center; width: 28px; height: 28px; border-radius: 50%; background: var(--ink); color: var(--paper); font-size: .95rem; font-weight: 700; flex: none; }

.calc-list { list-style: none; margin: 0; padding: 0; }
.calc-list li { border-bottom: 1px solid var(--rule); }
.calc-list a { display: block; padding: 8px 0; color: var(--text); text-decoration: none; }
.calc-list a:hover { color: var(--ink); text-decoration: underline; }
.calc-list.has-desc li { padding: 10px 0; }
.calc-list.has-desc a { padding: 0; font-weight: 650; color: var(--ink); }
.calc-list.has-desc span { display: block; color: var(--muted); font-size: .95rem; }

.home-about { background: var(--paper-2); padding: clamp(36px, 5vw, 60px) 0; border-top: 1px solid var(--rule); }
.home-about-grid { display: grid; grid-template-columns: repeat(3, minmax(0, 1fr)); gap: 32px; }
.home-about h2 { font-size: 1.15rem; }
.home-about p { color: var(--muted); margin: 0; }

@media (max-width: 960px) {
	.home-hero-grid { grid-template-columns: 1fr; }
	.cat-grid { grid-template-columns: repeat(2, minmax(0, 1fr)); }
	.home-about-grid { grid-template-columns: 1fr; gap: 20px; }
}
@media (max-width: 600px) {
	.cat-grid { grid-template-columns: 1fr; }
}

/* ===== Pagina's ===== */
.page-wrap { padding-top: clamp(20px, 4vw, 40px); padding-bottom: 56px; }
.page-wrap.has-aside { display: grid; grid-template-columns: minmax(0, 1fr) 260px; gap: 56px; align-items: start; }
.entry { min-width: 0; }
.entry-header { margin-bottom: 24px; }
.entry-meta { color: var(--muted); font-size: .92rem; margin: -.2em 0 0; }
.entry-content { max-width: 46rem; }
.entry-content > * + h2 { margin-top: 1.8em; }
.entry-content h3 { margin-top: 1.4em; }
.entry-content li { margin-bottom: .35em; }
.entry-content table:not(.sc-table) { border-collapse: collapse; width: 100%; margin-bottom: 1.2em; }
.entry-content table:not(.sc-table) td, .entry-content table:not(.sc-table) th { border-bottom: 1px solid var(--rule); padding: 8px 10px; text-align: left; }
.calc-aside { position: sticky; top: 20px; display: grid; gap: 28px; font-size: .95rem; }
.aside-head { font-weight: 700; margin-bottom: .4em; padding-bottom: 6px; border-bottom: 2px solid var(--ink); }
.aside-head a { color: var(--text); }
.other-cats { margin-top: 48px; }
.search-again { margin-top: 18px; max-width: 640px; }
.search-block { margin-bottom: 36px; max-width: 46rem; }
.post-list { list-style: none; padding: 0; max-width: 46rem; }
.post-list li { padding: 18px 0; border-bottom: 1px solid var(--rule); }
.post-list-title { font-size: 1.2rem; font-weight: 700; text-decoration: none; }
.post-list time { display: block; color: var(--muted); font-size: .9rem; }

.crumbs ol { list-style: none; margin: 0 0 14px; padding: 0; display: flex; flex-wrap: wrap; font-size: .9rem; color: var(--muted); }
.crumbs li + li::before { content: "/"; margin: 0 8px; color: var(--rule); }
.crumbs a { color: var(--muted); text-decoration: none; }
.crumbs a:hover { color: var(--ink); text-decoration: underline; }

@media (max-width: 960px) {
	.page-wrap.has-aside { grid-template-columns: 1fr; gap: 40px; }
	.calc-aside { position: static; grid-template-columns: 1fr 1fr; }
}
@media (max-width: 560px) {
	.calc-aside { grid-template-columns: 1fr; }
}

/* ===== De rekenhulp: ruitjespapier met rode kantlijn ===== */
.sc-calc {
	margin: 28px 0 32px;
	border: 1.5px solid var(--ink);
	border-radius: var(--radius);
	background-color: var(--paper);
	background-image:
		linear-gradient(var(--grid) 1px, transparent 1px),
		linear-gradient(90deg, var(--grid) 1px, transparent 1px);
	background-size: 22px 22px;
	background-position: -1px -1px;
	display: grid;
	grid-template-columns: minmax(0, 1fr) minmax(0, 1fr);
	overflow: hidden;
}
.sc-calc:not(.sc-ready) { min-height: 180px; display: block; padding: 20px; }
.entry-content .sc-calc { max-width: none; }
.sc-form { padding: 22px; display: grid; grid-template-columns: repeat(auto-fill, minmax(min(100%, 200px), 1fr)); gap: 14px; align-content: start; }
.sc-field { display: flex; flex-direction: column; gap: 5px; min-width: 0; }
.sc-field.is-wide, .sc-field:has(textarea) { grid-column: 1 / -1; }
.sc-field[hidden] { display: none; }
.sc-field label { font-size: .9rem; font-weight: 650; color: var(--text); }
.sc-hint { font-size: .82rem; color: var(--muted); line-height: 1.4; }
.sc-field input, .sc-field select, .sc-field textarea {
	width: 100%; font: inherit; font-size: 1.02rem; color: var(--text);
	padding: 9px 11px; background: var(--paper);
	border: 1.5px solid #c6cde3; border-radius: 5px;
}
@media (prefers-color-scheme: dark) { .sc-field input, .sc-field select, .sc-field textarea { border-color: #3a4058; } }
.sc-field textarea { font-family: var(--mono); font-size: .95rem; resize: vertical; }
.sc-field input:focus, .sc-field select:focus, .sc-field textarea:focus { outline: none; border-color: var(--ink); box-shadow: 0 0 0 3px var(--ink-soft); }
.sc-inp { position: relative; display: flex; align-items: stretch; }
.sc-inp input { flex: 1; min-width: 0; }
.sc-inp.has-pre input { padding-left: 30px; }
.sc-pre { position: absolute; left: 11px; top: 50%; transform: translateY(-50%); color: var(--muted); pointer-events: none; }
.sc-unit { display: flex; align-items: center; padding: 0 10px; margin-left: -1.5px; border: 1.5px solid #c6cde3; border-left: 0; border-radius: 0 5px 5px 0; background: var(--paper-2); color: var(--muted); font-size: .88rem; white-space: nowrap; }
@media (prefers-color-scheme: dark) { .sc-unit { border-color: #3a4058; } }
.sc-inp:has(.sc-unit) input { border-radius: 5px 0 0 5px; }

.sc-out {
	position: relative;
	padding: 22px 22px 22px 34px;
	background: var(--paper);
	border-left: 1px solid var(--rule);
}
.sc-out::before { content: ""; position: absolute; left: 18px; top: 0; bottom: 0; width: 2px; background: var(--margin); opacity: .55; }
.sc-main { margin-bottom: 14px; }
.sc-main-l { display: block; font-size: .92rem; color: var(--muted); margin-bottom: 2px; }
.sc-main-v { display: block; font-size: clamp(1.7rem, 3.6vw, 2.35rem); font-weight: 800; line-height: 1.15; letter-spacing: -0.02em; color: var(--ink); word-break: break-word; }
.sc-main-v mark { color: inherit; background: linear-gradient(transparent 58%, var(--marker) 58%, var(--marker) 92%, transparent 92%); padding: 0 .08em; }
.sc-rows { margin: 0 0 12px; }
.sc-rows div { display: flex; justify-content: space-between; gap: 14px; padding: 7px 0; border-bottom: 1px dashed var(--rule); font-size: .97rem; }
.sc-rows dt { color: var(--muted); }
.sc-rows dd { margin: 0; font-weight: 650; text-align: right; }
.sc-note { font-size: .86rem; color: var(--muted); line-height: 1.5; margin: 10px 0 0; }
.sc-empty { color: var(--muted); margin: 0; }
.sc-copy { margin-top: 14px; font: 600 .88rem var(--font); color: var(--ink); background: none; border: 1px solid var(--ink); border-radius: 999px; padding: 5px 12px; cursor: pointer; }
.sc-copy:hover { background: var(--ink-soft); }
.sc-tablewrap { overflow-x: auto; margin: 6px 0 4px; }
.sc-table { width: 100%; border-collapse: collapse; font-size: .92rem; }
.sc-table th { text-align: left; font-weight: 650; color: var(--muted); border-bottom: 1.5px solid var(--ink); padding: 6px 8px 6px 0; }
.sc-table td { border-bottom: 1px solid var(--rule); padding: 6px 8px 6px 0; }
.sc-ad { margin: -12px 0 32px; text-align: center; min-height: 1px; }

@media (max-width: 720px) {
	.sc-calc { grid-template-columns: 1fr; }
	.sc-out { border-left: 0; border-top: 1px solid var(--rule); }
}
@media (max-width: 420px) {
	.sc-form { grid-template-columns: 1fr; padding: 18px 16px; }
	.sc-out { padding: 18px 16px 18px 28px; }
	.sc-out::before { left: 13px; }
}

/* Rekenmachine */
.sc-calc[data-calc="rekenmachine"] { display: block; }
.sc-calcpad { padding: 18px; }
.sc-screen { background: var(--paper); border: 1.5px solid var(--ink); border-radius: 5px; padding: 10px 14px; margin-bottom: 12px; }
.sc-expr { width: 100%; border: 0; background: none; font: 500 1.05rem var(--mono); color: var(--muted); padding: 0; outline: none; }
.sc-res { display: block; text-align: right; font-size: 2rem; font-weight: 800; color: var(--ink); line-height: 1.2; min-height: 1.2em; overflow-wrap: anywhere; }
.sc-keys { display: grid; grid-template-columns: repeat(4, 1fr); gap: 6px; }
.sc-keys button { font: 650 1.1rem var(--font); padding: 11px 0; border-radius: 5px; border: 1px solid #c6cde3; background: var(--paper); color: var(--text); cursor: pointer; }
.sc-keys button:hover { border-color: var(--ink); }
.sc-keys button:active { background: var(--ink-soft); }
.sc-keys .is-fn { font-size: .92rem; color: var(--ink); background: var(--paper-2); }
.sc-keys .is-eq { grid-column: span 4; background: var(--ink); color: var(--paper); border-color: var(--ink); }
.sc-padopts { margin-top: 10px; font-size: .88rem; color: var(--muted); }
.sc-hist { list-style: none; padding: 0; margin: 8px 0 0; font-family: var(--mono); font-size: .85rem; }
.sc-hist li { padding: 2px 0; border-bottom: 1px dashed var(--rule); }
.sc-hist:empty { display: none; }
@media (prefers-color-scheme: dark) { .sc-keys button { border-color: #3a4058; } }
.home-hero-calc .sc-calc { margin: 0; }

/* ===== Voet ===== */
.site-footer { border-top: 1px solid var(--rule); background: var(--paper-2); padding-top: 44px; font-size: .95rem; }
.footer-grid { display: grid; grid-template-columns: 1.4fr 1fr 1fr; gap: 32px; }
.footer-name { font-weight: 800; font-size: 1.15rem; color: var(--ink); margin-bottom: .4em; }
.footer-about p:not(.footer-name) { color: var(--muted); max-width: 30em; }
.footer-head { font-weight: 700; margin-bottom: .5em; }
.site-footer ul { list-style: none; margin: 0; padding: 0; }
.site-footer li { margin-bottom: 4px; }
.site-footer a { color: var(--text); text-decoration: none; }
.site-footer a:hover { color: var(--ink); text-decoration: underline; }
.footer-base { border-top: 1px solid var(--rule); margin-top: 28px; padding-top: 16px; padding-bottom: 28px; color: var(--muted); font-size: .88rem; }
.footer-base p { margin: 0; }
.footer-base a { color: var(--muted); text-decoration: underline; }
@media (max-width: 760px) { .footer-grid { grid-template-columns: 1fr 1fr; } .footer-about { grid-column: 1 / -1; } }

/* ===== WordPress-kern ===== */
.alignleft { float: left; margin: 0 1.2em 1em 0; }
.alignright { float: right; margin: 0 0 1em 1.2em; }
.aligncenter { display: block; margin: 0 auto 1em; }
.wp-caption-text, figcaption { font-size: .9rem; color: var(--muted); }
.nav-links { display: flex; gap: 12px; flex-wrap: wrap; margin-top: 24px; }
.page-numbers { padding: 6px 12px; border: 1px solid var(--rule); border-radius: var(--radius); text-decoration: none; }
.page-numbers.current { background: var(--ink); color: var(--paper); border-color: var(--ink); }

@media (prefers-reduced-motion: reduce) { * { transition: none !important; animation: none !important; scroll-behavior: auto !important; } }
@media print {
	.site-header, .site-footer, .calc-aside, .sc-copy, .sc-ad { display: none !important; }
	.sc-calc { background: none; }
}