/* ==========================================================================
   Afvinklijst — schoolbord & schriftpapier thema
   Signatuurelement: de "stempel"-checkbox, als een leerkracht die afvinkt
   ========================================================================== */

:root {
    --chalkboard: #1E3D33;
    --chalkboard-deep: #142B24;
    --paper: #FBF8F1;
    --paper-card: #FFFFFF;
    --paper-line: #E7E0CE;
    --ink: #2B2B26;
    --ink-soft: #6B6A5F;
    --marigold: #E8A33D;
    --marigold-deep: #BE7E1E;
    --coral: #D9634F;
    --denim: #3E6B8A;
    --sage: #B9CCB0;
    --sage-deep: #6E8C68;
    --radius-lg: 18px;
    --radius-md: 12px;
    --radius-sm: 8px;
    --shadow-card: 0 2px 0 rgba(43,43,38,0.06), 0 10px 24px -14px rgba(43,43,38,0.35);
}

* { box-sizing: border-box; }

html, body {
    margin: 0;
    padding: 0;
}

body {
    background:
        linear-gradient(var(--paper), var(--paper)),
        repeating-linear-gradient(180deg, transparent, transparent 35px, var(--paper-line) 36px);
    color: var(--ink);
    font-family: 'Inter', system-ui, sans-serif;
    font-size: 16px;
    line-height: 1.45;
    -webkit-font-smoothing: antialiased;
}

h1, h2, h3 {
    font-family: 'Baloo 2', 'Inter', sans-serif;
    font-weight: 600;
    margin: 0 0 0.4em;
    color: var(--chalkboard);
}

button, input, textarea {
    font-family: inherit;
    font-size: 1rem;
}

a { color: var(--denim); }

:focus-visible {
    outline: 3px solid var(--marigold);
    outline-offset: 2px;
}

.hidden { display: none !important; }

/* -------------------------------------------------- topbar */

.topbar {
    background: var(--chalkboard);
    background-image: radial-gradient(circle at 15% 30%, rgba(255,255,255,0.04), transparent 45%);
    color: #F4F1E6;
    box-shadow: 0 4px 0 rgba(0,0,0,0.12);
}

.topbar-inner {
    max-width: 980px;
    margin: 0 auto;
    padding: 16px 20px;
    display: flex;
    align-items: center;
    gap: 14px;
    flex-wrap: wrap;
}

.brand {
    display: flex;
    align-items: center;
    gap: 10px;
    font-family: 'Baloo 2', sans-serif;
    font-size: 1.4rem;
    font-weight: 700;
}

.brand-mark {
    display: inline-block;
    width: 34px;
    height: 34px;
    border-radius: 10px;
    object-fit: cover;
    flex-shrink: 0;
}

.back-link {
    color: #E7E1CE;
    text-decoration: none;
    font-weight: 600;
    white-space: nowrap;
}
.back-link:hover { color: var(--marigold); }

.group-title {
    color: #FBF8F1;
    margin: 0;
    flex: 1;
    font-size: 1.4rem;
}

/* -------------------------------------------------- layout */

.wrap {
    max-width: 980px;
    margin: 0 auto;
    padding: 24px 20px 80px;
}

.intro h1 { font-size: 1.9rem; }
.intro p { color: var(--ink-soft); max-width: 60ch; }

.empty-hint {
    background: var(--paper-card);
    border: 1px dashed var(--sage-deep);
    border-radius: var(--radius-md);
    padding: 18px 20px;
    color: var(--ink-soft);
}

.flash {
    padding: 10px 16px;
    border-radius: var(--radius-sm);
    margin-bottom: 16px;
    font-weight: 600;
}
.flash-error {
    background: #FBE7E2;
    color: #9A3B2B;
    border: 1px solid #EFC1B4;
}
.flash-info {
    background: #EAF1F5;
    color: var(--denim);
    border: 1px solid #C7DCE6;
}

/* -------------------------------------------------- buttons */

.btn {
    border: none;
    border-radius: 999px;
    padding: 10px 18px;
    font-weight: 600;
    cursor: pointer;
    transition: transform .12s ease, box-shadow .12s ease;
}
.btn:active { transform: translateY(1px) scale(0.98); }

.btn-primary {
    background: var(--marigold);
    color: var(--chalkboard-deep);
    box-shadow: 0 3px 0 var(--marigold-deep);
}
.btn-primary:hover { filter: brightness(1.04); }

.btn-secondary {
    background: var(--sage);
    color: var(--chalkboard-deep);
    box-shadow: 0 3px 0 var(--sage-deep);
}

.btn-ghost {
    background: transparent;
    border: 2px solid rgba(255,255,255,0.35);
    color: #F4F1E6;
    border-radius: 999px;
    padding: 8px 14px;
    font-weight: 600;
    cursor: pointer;
}
.btn-ghost:hover { border-color: var(--marigold); color: var(--marigold); }

.icon-btn {
    background: transparent;
    border: none;
    cursor: pointer;
    font-size: 1.05rem;
    padding: 6px;
    min-width: 40px;
    min-height: 40px;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    border-radius: 50%;
    line-height: 1;
    color: var(--ink-soft);
}
.icon-btn:hover { background: rgba(0,0,0,0.06); }
.icon-btn.danger:hover { background: #FBE7E2; color: var(--coral); }

/* -------------------------------------------------- groepen-overzicht */

.group-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(210px, 1fr));
    gap: 18px;
    margin-top: 20px;
}

.group-card {
    position: relative;
    background: var(--paper-card);
    border-radius: var(--radius-lg);
    box-shadow: var(--shadow-card);
    padding: 0;
    overflow: hidden;
    display: flex;
    flex-direction: column;
    min-height: 128px;
    transition: transform .15s ease;
}
.group-card:hover { transform: translateY(-3px); }

.group-card-link {
    text-decoration: none;
    color: var(--ink);
    display: flex;
    flex-direction: column;
    gap: 10px;
    padding: 20px;
    flex: 1;
}

.group-tab {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    width: 40px;
    height: 40px;
    border-radius: 10px;
    font-family: 'Baloo 2', sans-serif;
    font-weight: 700;
    font-size: 1.1rem;
    color: #fff;
}

.group-name {
    font-family: 'Baloo 2', sans-serif;
    font-weight: 600;
    font-size: 1.15rem;
    color: var(--chalkboard);
}

.tab-marigold .group-tab { background: var(--marigold); }
.tab-denim .group-tab { background: var(--denim); }
.tab-coral .group-tab { background: var(--coral); }
.tab-sage .group-tab { background: var(--sage-deep); }

.group-delete-form {
    position: absolute;
    top: 8px;
    right: 8px;
}

.group-card-new {
    background: transparent;
    border: 2px dashed var(--sage-deep);
    box-shadow: none;
    padding: 18px;
    display: flex;
}
.group-card-new form {
    display: flex;
    flex-direction: column;
    gap: 8px;
    width: 100%;
}
.group-card-new label {
    font-weight: 600;
    color: var(--chalkboard);
}
.group-card-new input[type="text"] {
    padding: 9px 12px;
    border-radius: var(--radius-sm);
    border: 1px solid var(--paper-line);
    background: #fff;
}

/* -------------------------------------------------- panelen (leerlingen beheren) */

.panel {
    background: var(--paper-card);
    border-radius: var(--radius-lg);
    box-shadow: var(--shadow-card);
    padding: 22px;
    margin-bottom: 22px;
}

.student-panel-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 24px;
}
@media (max-width: 720px) {
    .student-panel-grid { grid-template-columns: 1fr; }
}

.bulk-add label { display: block; font-weight: 600; margin-bottom: 6px; }
.bulk-add .hint { font-weight: 400; color: var(--ink-soft); font-size: 0.85rem; }
.bulk-add textarea {
    width: 100%;
    border: 1px solid var(--paper-line);
    border-radius: var(--radius-sm);
    padding: 10px 12px;
    resize: vertical;
    margin-bottom: 10px;
    background: repeating-linear-gradient(#fff, #fff 27px, var(--paper-line) 28px);
    line-height: 28px;
}
.tiny-note { font-size: 0.85rem; color: var(--sage-deep); font-weight: 600; min-height: 1.2em; }

.student-list-head {
    display: flex;
    align-items: center;
    gap: 8px;
    font-weight: 600;
    color: var(--chalkboard);
    margin-bottom: 8px;
}
.count-badge {
    background: var(--sage);
    color: var(--chalkboard-deep);
    border-radius: 999px;
    font-size: 0.8rem;
    padding: 1px 9px;
    font-family: 'Space Mono', monospace;
}

.student-list {
    list-style: none;
    margin: 0 0 10px;
    padding: 0;
    max-height: 320px;
    overflow-y: auto;
    border: 1px solid var(--paper-line);
    border-radius: var(--radius-sm);
}
.student-row {
    display: flex;
    align-items: center;
    gap: 8px;
    padding: 9px 12px;
    border-bottom: 1px solid var(--paper-line);
}
.student-row:last-child { border-bottom: none; }
.student-row-name {
    flex: 1;
    cursor: pointer;
    border-radius: 4px;
    padding: 3px 6px;
}
.student-row-name:hover { background: var(--paper); }
.student-row-edit {
    flex: 1;
    padding: 4px 6px;
    border: 1px solid var(--denim);
    border-radius: 4px;
}

.single-add-form {
    display: flex;
    gap: 8px;
}
.single-add-form input {
    flex: 1;
    padding: 9px 12px;
    border-radius: var(--radius-sm);
    border: 1px solid var(--paper-line);
}

/* -------------------------------------------------- lijstjes (tabs, Keep-stijl) */

.lists-bar {
    display: flex;
    align-items: center;
    justify-content: space-between;
    flex-wrap: wrap;
    gap: 12px;
    margin-bottom: 18px;
}

.lists-tabs {
    display: flex;
    gap: 8px;
    flex-wrap: wrap;
    flex: 1;
}

.list-tab {
    display: flex;
    align-items: center;
    background: var(--paper-card);
    border: 2px solid var(--paper-line);
    border-radius: 999px;
    overflow: hidden;
}
.list-tab.active {
    border-color: var(--marigold);
    background: #FDF1DD;
}
.list-tab-select {
    background: transparent;
    border: none;
    padding: 8px 6px 8px 16px;
    font-weight: 600;
    cursor: pointer;
    color: var(--chalkboard);
}
.list-tab-delete {
    background: transparent;
    border: none;
    padding: 6px 12px 6px 4px;
    color: var(--ink-soft);
    cursor: pointer;
    font-size: 1.1rem;
    line-height: 1;
}
.list-tab-delete:hover { color: var(--coral); }

.new-list-form {
    display: flex;
    gap: 8px;
}
.new-list-form input {
    padding: 8px 12px;
    border-radius: 999px;
    border: 2px dashed var(--sage-deep);
    min-width: 160px;
    background: transparent;
}

/* -------------------------------------------------- checklist */

.checklist-panel {
    background: var(--paper-card);
    border-radius: var(--radius-lg);
    box-shadow: var(--shadow-card);
    padding: 10px 8px 18px;
}

.checklist-progress {
    font-family: 'Space Mono', monospace;
    font-size: 0.85rem;
    color: var(--sage-deep);
    font-weight: 700;
    padding: 10px 18px 4px;
}

.checklist {
    list-style: none;
    margin: 0;
    padding: 0;
}

.check-divider {
    padding: 16px 18px 8px;
    font-size: 0.8rem;
    font-weight: 700;
    text-transform: uppercase;
    letter-spacing: 0.06em;
    color: var(--ink-soft);
    border-top: 1px dashed var(--paper-line);
    margin-top: 6px;
}

.check-row {
    display: flex;
    align-items: flex-start;
    gap: 14px;
    padding: 12px 18px;
    border-bottom: 1px dashed var(--paper-line);
    transition: opacity .2s ease;
}
.check-row:last-child { border-bottom: none; }

.check-row.is-checked {
    opacity: 0.55;
}
.check-row.is-checked .check-row-name {
    text-decoration: line-through;
    text-decoration-color: var(--coral);
}

/* Het signatuurelement: de stempel-checkbox */
.stamp-checkbox {
    position: relative;
    flex-shrink: 0;
    width: 34px;
    height: 34px;
    border-radius: 50%;
    border: 2.5px dashed var(--sage-deep);
    background: #fff;
    cursor: pointer;
    display: flex;
    align-items: center;
    justify-content: center;
    margin-top: 2px;
    transition: transform .15s cubic-bezier(.34,1.56,.64,1), border-color .15s ease, background .15s ease;
}
.stamp-checkbox:hover { border-color: var(--marigold); }
.stamp-checkbox .stamp-mark {
    opacity: 0;
    transform: scale(0.4) rotate(-15deg);
    transition: opacity .15s ease, transform .15s cubic-bezier(.34,1.56,.64,1);
    color: #fff;
    font-weight: 700;
    font-size: 1.1rem;
}
.stamp-checkbox.stamped {
    border-style: solid;
    border-color: var(--marigold-deep);
    background: var(--marigold);
    transform: rotate(-8deg) scale(1.05);
    box-shadow: 0 0 0 4px rgba(232,163,61,0.18);
}
.stamp-checkbox.stamped .stamp-mark {
    opacity: 1;
    transform: scale(1) rotate(0deg);
}

.check-row-body { flex: 1; min-width: 0; }
.check-row-name {
    font-weight: 600;
    color: var(--ink);
    word-break: break-word;
}
.check-row-note-display {
    margin-top: 4px;
    font-size: 0.9rem;
    color: var(--denim);
    background: #EEF4F7;
    display: inline-block;
    padding: 3px 10px;
    border-radius: 999px;
}
.check-row-note-edit textarea {
    width: 100%;
    margin-top: 6px;
    border: 1px solid var(--denim);
    border-radius: var(--radius-sm);
    padding: 8px 10px;
    resize: vertical;
}

.pencil-btn {
    flex-shrink: 0;
    margin-top: 2px;
}

/* -------------------------------------------------- responsive fijnslijpen */

@media (max-width: 560px) {
    .topbar-inner { padding: 12px 16px; }
    .group-title { font-size: 1.2rem; order: 3; width: 100%; }
    .wrap { padding: 18px 14px 70px; }
    .check-row { padding: 12px 12px; gap: 10px; }
    .lists-bar { flex-direction: column; align-items: stretch; }
    .checklist-header { flex-direction: column; align-items: stretch; }
    .checklist-header-actions { width: 100%; justify-content: space-between; flex-wrap: wrap; row-gap: 8px; }
    .sort-toggle button { padding: 6px 10px; font-size: 0.78rem; }
    #reset-list-btn { min-width: 40px; min-height: 40px; }
}

@media (prefers-reduced-motion: reduce) {
    * { transition: none !important; animation: none !important; }
}

/* -------------------------------------------------- footer */

.site-footer {
    max-width: 980px;
    margin: 0 auto;
    padding: 24px 20px 40px;
    text-align: center;
    color: var(--ink-soft);
    font-size: 0.85rem;
}

/* -------------------------------------------------- admin-balk */

.admin-bar {
    background: var(--marigold);
    color: var(--chalkboard-deep);
    font-weight: 700;
    font-size: 0.9rem;
}
.admin-bar-inner {
    max-width: 980px;
    margin: 0 auto;
    padding: 8px 20px;
    display: flex;
    align-items: center;
    gap: 14px;
    flex-wrap: wrap;
}
.admin-bar-inner .btn-ghost {
    border-color: rgba(20,43,36,0.35);
    color: var(--chalkboard-deep);
    padding: 4px 12px;
    font-size: 0.85rem;
}
.admin-bar-inner .btn-ghost:hover { border-color: var(--chalkboard-deep); color: var(--chalkboard-deep); background: rgba(255,255,255,0.25); }

.lock-badge {
    display: inline-flex;
    align-items: center;
    gap: 4px;
    font-size: 0.85rem;
    color: var(--ink-soft);
}
.unlocked-badge {
    color: var(--sage-deep);
    font-weight: 600;
}

/* Kaartknoppen die een pincode vereisen, gestyled als link/kaart maar zijn <button> */
.group-card-link.as-button {
    background: none;
    border: none;
    text-align: left;
    font: inherit;
    cursor: pointer;
    width: 100%;
}

.group-admin-actions {
    position: absolute;
    top: 8px;
    right: 8px;
    display: flex;
    gap: 2px;
}

/* -------------------------------------------------- modale vensters */

.modal-overlay {
    position: fixed;
    inset: 0;
    background: rgba(20, 43, 36, 0.55);
    display: flex;
    align-items: center;
    justify-content: center;
    padding: 20px;
    z-index: 1000;
    opacity: 0;
    transition: opacity .16s ease;
}
.modal-overlay.is-open { opacity: 1; }

.modal-box {
    background: var(--paper-card);
    border-radius: var(--radius-lg);
    box-shadow: 0 20px 50px -12px rgba(0,0,0,0.4);
    padding: 26px 26px 22px;
    width: 100%;
    max-width: 420px;
    max-height: 90vh;
    overflow-y: auto;
    transform: translateY(10px) scale(0.98);
    transition: transform .16s ease;
}
.modal-overlay.is-open .modal-box { transform: translateY(0) scale(1); }

.modal-title { margin-bottom: 10px; font-size: 1.2rem; }
.modal-message { color: var(--ink); margin: 0 0 4px; line-height: 1.5; }

.modal-field {
    display: block;
    margin-bottom: 14px;
}
.modal-field span {
    display: block;
    font-weight: 600;
    margin-bottom: 5px;
    font-size: 0.9rem;
    color: var(--chalkboard);
}
.modal-field input {
    width: 100%;
    padding: 9px 12px;
    border-radius: var(--radius-sm);
    border: 1px solid var(--paper-line);
}

.modal-error {
    color: var(--coral);
    font-weight: 600;
    font-size: 0.88rem;
    min-height: 1.2em;
    margin: 0 0 6px;
}

.modal-actions {
    display: flex;
    justify-content: flex-end;
    gap: 10px;
    margin-top: 10px;
}

.btn-ghost-dark {
    background: transparent;
    border: 1px solid var(--paper-line);
    color: var(--ink);
    border-radius: 999px;
    padding: 9px 16px;
    font-weight: 600;
    cursor: pointer;
}
.btn-ghost-dark:hover { background: var(--paper); }

.btn-danger {
    background: var(--coral);
    color: #fff;
    box-shadow: 0 3px 0 #B04836;
}

.move-select {
    width: 100%;
    padding: 9px 12px;
    border-radius: var(--radius-sm);
    border: 1px solid var(--paper-line);
    margin-bottom: 14px;
}

/* -------------------------------------------------- checklist-header met sorteer-toggle */

.checklist-header {
    display: flex;
    align-items: center;
    justify-content: space-between;
    flex-wrap: wrap;
    gap: 10px;
    padding: 10px 18px 4px;
}

.checklist-header-actions {
    display: flex;
    align-items: center;
    gap: 8px;
}

.sort-toggle {
    display: inline-flex;
    border: 1px solid var(--paper-line);
    border-radius: 999px;
    overflow: hidden;
}
.sort-toggle button {
    background: transparent;
    border: none;
    padding: 6px 14px;
    font-size: 0.82rem;
    font-weight: 600;
    color: var(--ink-soft);
    cursor: pointer;
}
.sort-toggle button.active {
    background: var(--denim);
    color: #fff;
}

/* -------------------------------------------------- instellingenpaneel */

.panel-settings .settings-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 24px;
}
@media (max-width: 720px) {
    .panel-settings .settings-grid { grid-template-columns: 1fr; }
}
.settings-block {
    border: 1px solid var(--paper-line);
    border-radius: var(--radius-md);
    padding: 16px 18px;
}
.settings-block h3 { font-size: 1rem; margin-bottom: 10px; }
.settings-block form { display: flex; flex-direction: column; gap: 10px; }
.settings-block input[type="password"],
.settings-block input[type="text"] {
    padding: 9px 12px;
    border-radius: var(--radius-sm);
    border: 1px solid var(--paper-line);
}
.settings-feedback { font-size: 0.85rem; font-weight: 600; color: var(--sage-deep); min-height: 1.2em; }
.settings-feedback.is-error { color: var(--coral); }

.student-move {
    flex-shrink: 0;
}

/* -------------------------------------------------- variant-keuze bij lijstje aanmaken */

.variant-picker {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 12px;
    margin-bottom: 16px;
}
@media (max-width: 480px) {
    .variant-picker { grid-template-columns: 1fr; }
}

.variant-option {
    border: 2px solid var(--paper-line);
    border-radius: var(--radius-md);
    padding: 12px;
    cursor: pointer;
    text-align: center;
    background: var(--paper);
    transition: border-color .12s ease, background .12s ease;
}
.variant-option:hover { border-color: var(--sage-deep); }
.variant-option.selected {
    border-color: var(--marigold-deep);
    background: #FDF1DD;
}
.variant-option .variant-label {
    display: block;
    font-weight: 700;
    font-size: 0.85rem;
    color: var(--chalkboard);
    margin-top: 8px;
}
.variant-option .variant-sub {
    display: block;
    font-size: 0.75rem;
    color: var(--ink-soft);
    margin-top: 2px;
}

.variant-preview-row {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 8px;
}
.variant-preview-row .preview-name {
    font-size: 0.8rem;
    color: var(--ink-soft);
}
.mini-stamp {
    width: 24px;
    height: 24px;
    border-radius: 50%;
    border: 2px solid var(--marigold-deep);
    background: var(--marigold);
    display: inline-flex;
    align-items: center;
    justify-content: center;
    color: #fff;
    font-size: 0.75rem;
    font-weight: 700;
}
.mini-pencil { font-size: 0.85rem; opacity: 0.6; }

/* -------------------------------------------------- ROG: rood/oranje/groen statusknoppen */

.rog-buttons {
    display: inline-flex;
    gap: 6px;
    align-items: center;
}
.rog-btn {
    width: 26px;
    height: 26px;
    border-radius: 50%;
    border: none;
    cursor: pointer;
    font-weight: 700;
    color: #fff;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    font-size: 0.95rem;
    line-height: 1;
    opacity: 0.22;
    filter: blur(1.6px);
    transform: scale(0.85);
    transition: opacity .15s ease, filter .15s ease, transform .15s cubic-bezier(.34,1.56,.64,1);
}
.rog-btn.min { background: var(--coral); }
.rog-btn.plusmin { background: var(--marigold); }
.rog-btn.plus { background: var(--sage-deep); }

.rog-btn.active {
    opacity: 1;
    filter: none;
    transform: scale(1.15);
    box-shadow: 0 0 0 3px rgba(0,0,0,0.06);
}

.mini-rog {
    display: inline-flex;
    gap: 3px;
}
.mini-rog span {
    width: 14px;
    height: 14px;
    border-radius: 50%;
    display: inline-block;
}
.mini-rog .min { background: var(--coral); }
.mini-rog .plusmin { background: var(--marigold); opacity: 0.22; filter: blur(1.2px); }
.mini-rog .plus { background: var(--sage-deep); opacity: 0.22; filter: blur(1.2px); }

/* -------------------------------------------------- gemaskeerde pincode/wachtwoordvelden */

.js-masked {
    font-family: 'Space Mono', monospace;
    letter-spacing: 3px;
}

/* -------------------------------------------------- lijstje: naam inline bewerken */

.list-tab-edit {
    border: none;
    background: transparent;
    font-weight: 600;
    color: var(--chalkboard);
    padding: 8px 6px 8px 16px;
    font-family: inherit;
    font-size: 1rem;
    min-width: 80px;
}