/**
 * Schoolbook editorial — design layer voor Activiteitenrooster.
 * Geladen NA base.css, components.css, app.css.
 * Override variabelen, voegt typografische compositie-elementen toe.
 */

@import url('https://fonts.googleapis.com/css2?family=Instrument+Serif:ital@0;1&family=Fraunces:ital,opsz,wght@0,9..144,400;0,9..144,500;0,9..144,600;1,9..144,400&family=Manrope:wght@300;400;500;600;700&family=JetBrains+Mono:wght@400;500;600&display=swap');

:root {
    /* Editorial palette (overrides base.css) */
    --paper:          #F5F1E8;
    --paper-soft:     #EDE7D7;
    --paper-deep:     #E4DCC6;
    --ink:            #1A1614;
    --ink-soft:       #4A413A;
    --ink-muted:      #6E6354; /* #92: 4.6:1 op --paper (was #837767, 3.88:1) */

    --school-blue:    #009cde;
    --school-blue-deep: #0078B0;
    --school-blue-text: #006C9E; /* #91: AA (>=4.5:1) als tekstkleur op wit en papier */
    --school-blue-soft: #E5F4FB;

    --sienna:         #D14B27;
    --sienna-soft:    #F9E6DD;

    --olive:          #5C6B4A;
    --taupe:          #8A7A6B;
    --ochre:          #C99848;

    /* Override base.css for editorial */
    --bg-primary:     var(--paper);
    --bg-secondary:   var(--paper);
    --bg-tertiary:    var(--paper-soft);
    --text-primary:   var(--ink);
    --text-secondary: var(--ink-soft);
    --text-muted:     var(--ink-muted);
    --color-primary:  var(--school-blue);
    --color-primary-hover: var(--school-blue-deep);
    --color-error:    var(--sienna);
    --color-error-hover: #B23E1F;
    --color-error-light: var(--sienna-soft);
    --border-color:   var(--paper-deep);

    /* Fonts */
    --font-display:  'Instrument Serif', 'Fraunces', Georgia, serif;
    --font-display-alt: 'Fraunces', Georgia, serif;
    --font-body:     'Manrope', system-ui, -apple-system, sans-serif;
    --font-mono:     'JetBrains Mono', 'IBM Plex Mono', Consolas, monospace;
    --font-family:   var(--font-body);
}

/* Subtiele paper-textuur via inline SVG. Heel zacht, alleen op body. */
body {
    background-color: var(--paper);
    background-image:
        radial-gradient(at 20% 30%, rgba(196,180,148,0.04) 0%, transparent 45%),
        radial-gradient(at 80% 70%, rgba(196,180,148,0.05) 0%, transparent 50%),
        url("data:image/svg+xml;utf8,<svg xmlns='http://www.w3.org/2000/svg' width='240' height='240'><filter id='n'><feTurbulence type='fractalNoise' baseFrequency='0.9' numOctaves='2'/><feColorMatrix values='0 0 0 0 0.1  0 0 0 0 0.09  0 0 0 0 0.08  0 0 0 0.025 0'/></filter><rect width='100%' height='100%' filter='url(%23n)'/></svg>");
    background-attachment: fixed;
    color: var(--ink);
    font-family: var(--font-body);
    font-feature-settings: 'ss01', 'cv11';
}

h1, h2, h3, h4 {
    font-family: var(--font-display);
    font-weight: 400;
    letter-spacing: -0.01em;
    color: var(--ink);
}

h1 { font-size: 2.5rem; line-height: 1.05; }
h2 { font-size: 1.85rem; line-height: 1.1; }
h3 { font-size: 1.45rem; }
em, .display-italic { font-style: italic; font-family: var(--font-display); }

/* ============ Navigatie ============ */

.app-shell {
    min-height: 100vh;
    display: flex;
    flex-direction: column;
}

.editorial-nav {
    display: flex;
    align-items: center;
    gap: 1.5rem;
    padding: 0.9rem 2rem;
    background: var(--paper);
    border-bottom: 1px solid var(--paper-deep);
    position: relative;
}

.editorial-nav::after {
    content: '';
    position: absolute;
    left: 2rem; right: 2rem; bottom: -1px;
    height: 1px;
    background: linear-gradient(90deg, transparent, var(--ink-muted) 20%, var(--ink-muted) 80%, transparent);
    opacity: 0.25;
}

.editorial-brand {
    font-family: var(--font-display);
    font-style: italic;
    font-size: 1.15rem;
    color: var(--ink);
    text-decoration: none;
    letter-spacing: 0.01em;
    padding: 0.25rem 0.6rem;
    border: 1px solid var(--ink-muted);
    border-radius: 2px;
    background: var(--paper-soft);
    box-shadow: 1px 1px 0 var(--paper-deep);
    transition: transform 120ms ease;
}
.editorial-brand:hover { transform: translate(-1px, -1px); box-shadow: 2px 2px 0 var(--paper-deep); text-decoration: none; }

.editorial-nav__main,
.editorial-nav__utility {
    display: flex;
    align-items: center;
    gap: 0.25rem;
    flex: 0 0 auto;
}
.editorial-nav__spacer { flex: 1; }
.editorial-nav__divider {
    width: 1px;
    height: 18px;
    background: var(--ink-muted);
    opacity: 0.4;
    margin: 0 0.5rem;
}

.editorial-nav__item {
    position: relative;
    display: inline-flex;
    align-items: center;
    padding: 0.4rem 0.85rem;
    font-family: var(--font-body);
    font-size: 0.95rem;
    font-weight: 500;
    color: var(--ink-soft);
    text-decoration: none;
    border-radius: 2px;
    transition: color 120ms ease;
}
.editorial-nav__item:hover { color: var(--ink); text-decoration: none; }
.editorial-nav__item:hover::after {
    content: '';
    position: absolute; left: 0.85rem; right: 0.85rem; bottom: 0.15rem;
    height: 1px;
    background: var(--ink);
    animation: nav-underline 220ms ease both;
}
.editorial-nav__item.is-active { color: var(--ink); }
.editorial-nav__item.is-active::after {
    content: '';
    position: absolute; left: 0.85rem; right: 0.85rem; bottom: 0.15rem;
    height: 1.5px;
    background: var(--school-blue);
}

@keyframes nav-underline {
    from { transform: scaleX(0); transform-origin: left; }
    to   { transform: scaleX(1); transform-origin: left; }
}

.editorial-nav__logout {
    background: transparent;
    border: 1px solid var(--ink-muted);
    color: var(--ink);
    font-family: var(--font-body);
    font-size: 0.85rem;
    padding: 0.35rem 0.75rem;
    border-radius: 2px;
    cursor: pointer;
    transition: background 120ms ease;
}
.editorial-nav__logout:hover { background: var(--paper-soft); }

/* Context-band onder de nav */
.context-band {
    padding: 0.55rem 2rem;
    background: transparent;
    border-bottom: 1px dashed var(--paper-deep);
    font-family: var(--font-display);
    font-style: italic;
    font-size: 0.92rem;
    color: var(--ink-muted);
    display: flex;
    gap: 1rem;
    align-items: baseline;
}
.context-band .mono { font-family: var(--font-mono); font-style: normal; font-size: 0.82rem; }
.context-band .sep { opacity: 0.4; }

/* ============ Algemene container ============ */

.app-main {
    flex: 1;
    padding: 2.5rem max(2rem, 5vw) 4rem;
    max-width: 1400px;
    margin: 0 auto;
    width: 100%;
}

.page-eyebrow {
    font-family: var(--font-mono);
    font-size: 0.75rem;
    text-transform: uppercase;
    letter-spacing: 0.15em;
    color: var(--ink-muted);
    margin-bottom: 0.5rem;
}

.page-title {
    font-family: var(--font-display);
    font-size: clamp(2.25rem, 4vw, 3.25rem);
    line-height: 1.05;
    margin-bottom: 0.5rem;
    color: var(--ink);
}
.page-title em { font-style: italic; }

.page-lede {
    font-family: var(--font-display);
    font-style: italic;
    font-size: 1.2rem;
    line-height: 1.5;
    color: var(--ink-soft);
    max-width: 60ch;
    margin-bottom: 2.5rem;
}

/* ============ Hub-pagina (table-of-contents) ============ */

.toc {
    list-style: none;
    margin: 0; padding: 0;
    max-width: 720px;
}

.toc__item {
    display: grid;
    grid-template-columns: 3rem 1fr auto;
    align-items: baseline;
    gap: 1.25rem;
    padding: 1.2rem 0 1.1rem;
    border-top: 1px solid var(--paper-deep);
    transition: padding 180ms ease, background 180ms ease;
    position: relative;
}
.toc__item:last-child { border-bottom: 1px solid var(--paper-deep); }
.toc__item:hover {
    padding-left: 0.5rem;
    background: linear-gradient(90deg, var(--paper-soft) 0%, transparent 90%);
}

.toc__numeral {
    font-family: var(--font-mono);
    font-size: 0.9rem;
    color: var(--ink-muted);
    letter-spacing: 0.05em;
    padding-top: 0.3rem;
}

.toc__body { min-width: 0; }
.toc__link {
    font-family: var(--font-display);
    font-size: 1.5rem;
    color: var(--ink);
    text-decoration: none;
    line-height: 1.15;
    display: inline-flex;
    align-items: baseline;
    gap: 0.5rem;
}
.toc__link:hover { color: var(--school-blue-deep); text-decoration: none; }
.toc__link::after {
    content: '→';
    font-size: 1rem;
    opacity: 0;
    transform: translateX(-4px);
    transition: opacity 180ms ease, transform 180ms ease;
}
.toc__item:hover .toc__link::after { opacity: 1; transform: translateX(0); }

.toc__desc {
    font-family: var(--font-display);
    font-style: italic;
    font-size: 0.98rem;
    color: var(--ink-soft);
    margin-top: 0.2rem;
    line-height: 1.4;
}

.toc__meta {
    font-family: var(--font-mono);
    font-size: 0.78rem;
    color: var(--ink-muted);
    padding-top: 0.45rem;
    white-space: nowrap;
}

.toc__group {
    margin-bottom: 3rem;
}
.toc__group-title {
    font-family: var(--font-mono);
    text-transform: uppercase;
    font-size: 0.72rem;
    letter-spacing: 0.18em;
    color: var(--ink-muted);
    margin-bottom: 0.5rem;
    padding-bottom: 0.5rem;
    border-bottom: 1px dashed var(--paper-deep);
}

/* ============ Error pages ============ */

.error-page {
    text-align: center;
    padding: 5rem 1rem;
    max-width: 540px;
    margin: 0 auto;
}
.error-page__numeral {
    font-family: var(--font-display);
    font-size: 7rem;
    line-height: 1;
    color: var(--sienna);
    margin-bottom: 0.5rem;
    font-style: italic;
}
.error-page__title {
    font-family: var(--font-display);
    font-size: 2rem;
    margin-bottom: 1rem;
}
.error-page__title em { font-style: italic; color: var(--school-blue-deep); }
.error-page__lede {
    font-family: var(--font-display);
    font-style: italic;
    font-size: 1.1rem;
    color: var(--ink-soft);
    margin-bottom: 2rem;
    line-height: 1.5;
}
.error-page__refnr {
    font-family: var(--font-mono);
    font-size: 0.8rem;
    color: var(--ink-muted);
    margin-bottom: 1.5rem;
}
.error-page__crumbs {
    list-style: none;
    padding: 0; margin: 0;
    display: inline-flex;
    flex-direction: column;
    gap: 0.5rem;
    align-items: flex-start;
}
.error-page__crumbs a {
    font-family: var(--font-display);
    font-size: 1rem;
    color: var(--ink);
    text-decoration: none;
    border-bottom: 1px solid transparent;
}
.error-page__crumbs a:hover { border-bottom-color: var(--school-blue); color: var(--school-blue-deep); }

/* ============ KPI strip & dashboard ============ */

.kpi-strip {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(180px, 1fr));
    gap: 0;
    border-top: 1px solid var(--paper-deep);
    border-bottom: 1px solid var(--paper-deep);
    margin: 1rem 0 2.5rem;
}
.kpi {
    padding: 1.25rem 1.5rem;
    border-right: 1px dashed var(--paper-deep);
}
.kpi:last-child { border-right: none; }
.kpi__number {
    font-family: var(--font-mono);
    font-size: 2.4rem;
    font-weight: 500;
    color: var(--ink);
    line-height: 1;
    display: block;
    margin-bottom: 0.35rem;
}
.kpi__caption {
    font-family: var(--font-display);
    font-style: italic;
    color: var(--ink-soft);
    font-size: 0.95rem;
}
.kpi--alert .kpi__number { color: var(--sienna); }
/* #127: directe links naar overvolle groepen onder de KPI */
.kpi__links {
    margin-top: 0.5rem;
    display: flex;
    flex-direction: column;
    gap: 0.15rem;
}
.kpi__links a {
    font-size: 0.8rem;
    color: var(--color-error-hover);
    text-decoration: none;
    border-bottom: 1px solid transparent;
    align-self: flex-start;
}
.kpi__links a:hover { border-bottom-color: var(--color-error-hover); }

/* Stacked bar chart (per klas) */
.chart-stacked {
    display: flex;
    flex-direction: column;
    gap: 0.5rem;
}
.chart-row {
    display: grid;
    grid-template-columns: 5rem 1fr 4rem;
    align-items: center;
    gap: 0.75rem;
    font-family: var(--font-mono);
    font-size: 0.78rem;
}
.chart-row__label { color: var(--ink-soft); }
.chart-row__bar {
    display: flex;
    height: 22px;
    background: var(--paper-soft);
    border: 1px solid var(--paper-deep);
}
.chart-seg { height: 100%; transition: filter 120ms ease; }
.chart-seg:hover { filter: brightness(0.92); }
.chart-row__total { color: var(--ink); text-align: right; }
.chart-legend {
    display: flex;
    flex-wrap: wrap;
    gap: 1rem;
    margin-top: 1rem;
    font-family: var(--font-display);
    font-style: italic;
    font-size: 0.9rem;
    color: var(--ink-soft);
}
.chart-legend__swatch {
    display: inline-block;
    width: 12px; height: 12px;
    border: 1px solid var(--paper-deep);
    margin-right: 0.4rem;
    vertical-align: middle;
}

/* ============ Tabs binnen Planner ============ */

.editorial-tabs {
    display: flex;
    gap: 0;
    border-bottom: 1px solid var(--paper-deep);
    margin-bottom: 2rem;
}
.editorial-tabs__item {
    padding: 0.65rem 1.2rem;
    font-family: var(--font-display);
    font-size: 1.1rem;
    color: var(--ink-muted);
    text-decoration: none;
    border-bottom: 2px solid transparent;
    margin-bottom: -1px;
    transition: color 120ms ease, border-color 120ms ease;
}
.editorial-tabs__item:hover { color: var(--ink); text-decoration: none; }
.editorial-tabs__item.is-active {
    color: var(--ink);
    border-bottom-color: var(--school-blue);
    font-style: italic;
}

/* ============ Stempel-elementen ============ */

.stamp {
    display: inline-block;
    font-family: var(--font-mono);
    font-size: 0.72rem;
    text-transform: uppercase;
    letter-spacing: 0.15em;
    padding: 0.15rem 0.5rem;
    border: 1.5px solid currentColor;
    border-radius: 2px;
    transform: rotate(-2deg);
    color: var(--ink-soft);
}
.stamp--published { color: var(--olive); }
.stamp--conflict  { color: var(--color-error-hover); } /* #92: AA op papier */
.stamp--draft     { color: var(--ochre); }
.stamp--leerkracht { color: var(--ochre); } /* #128: dubbelboeking, onderscheiden van leerlingconflict (sienna) */
.stamp--locatie    { color: var(--school-blue-text); } /* #129: dubbelboeking, onderscheiden van leerkracht (ochre) en leerling (sienna) */

/* ============ Help-pagina (rendered markdown) ============ */

.help-prose {
    max-width: 64ch;
    font-family: var(--font-body);
    color: var(--ink);
    line-height: 1.65;
}
.help-prose h1 { margin-top: 0; margin-bottom: 1rem; }
.help-prose h2 { margin-top: 2.5rem; margin-bottom: 0.75rem; font-size: 1.6rem; }
.help-prose h3 { margin-top: 1.5rem; margin-bottom: 0.5rem; font-size: 1.2rem; font-family: var(--font-display); font-style: italic; }
.help-prose p { margin-bottom: 1rem; }
.help-prose ul, .help-prose ol { margin: 0 0 1rem 1.5rem; }
.help-prose li { margin-bottom: 0.35rem; }
.help-prose code {
    font-family: var(--font-mono);
    font-size: 0.88em;
    background: var(--paper-soft);
    padding: 0.1em 0.35em;
    border-radius: 2px;
}
.help-prose strong { color: var(--ink); font-weight: 600; }
.help-prose em { font-family: var(--font-display); }
.help-prose table {
    border-collapse: collapse;
    margin: 1rem 0;
}
.help-prose th, .help-prose td {
    border: 1px solid var(--paper-deep);
    padding: 0.4rem 0.7rem;
    text-align: left;
}
.help-prose th {
    background: var(--paper-soft);
    font-family: var(--font-display);
    font-weight: 500;
}

/* ============ Focus-states (accessibility) ============ */

a:focus-visible,
button:focus-visible,
input:focus-visible,
select:focus-visible,
textarea:focus-visible,
[tabindex]:focus-visible {
    outline: 2px solid var(--school-blue);
    outline-offset: 2px;
    border-radius: 2px;
}

/* ============ Utility classes ============
   Klein, doelgericht; vervangt veelvoorkomende inline-style patronen. */

.text-xs    { font-size: 0.75rem; }
.text-sm    { font-size: 0.875rem; }
.text-muted { color: var(--ink-muted); }
.text-italic{ font-style: italic; font-family: var(--font-display); }
.mb-0       { margin-bottom: 0; }
.mb-1       { margin-bottom: 1rem; }
.mt-1       { margin-top: 0.25rem; }
.mt-2       { margin-top: 0.5rem; }
.mt-4       { margin-top: 1rem; }
.inline     { display: inline; }
.inline-auto{ display: inline-block; width: auto; }
.max-w-sm   { max-width: 12rem; }
.max-w-md   { max-width: 20rem; }
.w-narrow   { width: 5rem; }
.flex-row   { display: flex; gap: 1rem; align-items: center; flex-wrap: wrap; }
.leerling-detail-remove { padding: 0.1rem 0.3rem; font-size: 0.7rem; }

/* Planner-card sub-elements (waren inline-style in Go-handlers) */
.planner-card-subhead    { margin-bottom: 0.25rem; }
.planner-conflict-alert  { padding: 0.25rem 0.5rem; font-size: 0.75rem; margin-bottom: 0.5rem; }
.slot-input-narrow       { display: none; width: 5rem; }

/* ============ Responsive ============ */

@media (max-width: 768px) {
    .editorial-nav { flex-wrap: wrap; gap: 0.5rem; padding: 0.6rem 1rem; }
    .editorial-nav__main, .editorial-nav__utility { flex-wrap: wrap; }
    .editorial-nav__divider { display: none; }
    .context-band { padding: 0.5rem 1rem; flex-wrap: wrap; gap: 0.4rem; }
    .app-main { padding: 1.5rem 1rem 3rem; }
    .page-title { font-size: 2rem; }
    .toc__item { grid-template-columns: 2.2rem 1fr; gap: 0.75rem; }
    .toc__meta { grid-column: 2; padding-top: 0; }
    .kpi { padding: 1rem; }
    .chart-row { grid-template-columns: 4rem 1fr 3rem; }
}

/* ============ Responsive tabellen + print (#96) ============ */

/* Brede tabellen laten op smalle viewports horizontaal scrollen i.p.v. de
   pagina te verbreden. display:block maakt de table-root scrollbaar; de
   interne rij/cel-layout blijft via anonieme table-boxen behouden. */
@media (max-width: 768px) {
    .app-main table.table {
        display: block;
        overflow-x: auto;
        -webkit-overflow-scrolling: touch;
    }
}

/* Print: alleen de inhoud op papier, geen navigatie/context/textuur.
   (De rooster-PDF's zijn server-side; dit is voor browser-printen van
   gewone pagina's.) */
@media print {
    .editorial-nav,
    .context-band,
    #app-toast-container,
    .planner-toast {
        display: none !important;
    }
    body {
        background: white !important;
    }
    .app-main {
        padding: 0 !important;
    }
    a {
        text-decoration: underline;
    }
}