/* Gedeelde opmaak. Kleuren en fonts komen uit design-tokens.css. */

*,
*::before,
*::after {
  box-sizing: border-box;
}

html,
body {
  margin: 0;
  min-height: 100%;
}

body {
  background: var(--paper);
  color: var(--ink);
  font-family: var(--sans);
  font-weight: 400;
  display: flex;
  flex-direction: column;
  min-height: 100vh;
}

h1,
h2,
h3,
p {
  margin: 0;
}

h2 {
  font-size: 19px;
}

a {
  color: inherit;
}

button,
input {
  font-family: inherit;
  color: inherit;
}

button {
  cursor: pointer;
}

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

.page {
  width: 100%;
  max-width: 1080px;
  margin: 0 auto;
  padding: 0 20px;
}

/* Kop */
.topbar {
  display: flex;
  justify-content: space-between;
  align-items: baseline;
  gap: 16px;
  padding-top: 28px;
  padding-bottom: 12px;
}

.topbar h1 {
  font-size: 22px;
  line-height: 1.2;
}

.topbar-right {
  display: flex;
  align-items: baseline;
  gap: 18px;
  white-space: nowrap;
}

.accent {
  color: var(--atlas);
}

/* Hoofdinhoud */
main {
  flex: 1;
  width: 100%;
  padding-bottom: 40px;
}

section + section {
  margin-top: 36px;
}

.section-label {
  color: var(--muted);
  font-size: 13px;
  margin: 24px 0 4px;
}

/* Lijstrijen */
.rule-list {
  margin: 0;
  padding: 0;
  list-style: none;
}

.rule-list > * {
  align-items: baseline;
  gap: 16px;
  margin: 0;
}

.row {
  width: 100%;
  font: inherit;
  text-align: left;
  color: inherit;
  background: none;
  cursor: pointer;
}

.row .name {
  display: flex;
  flex-direction: column;
  gap: 2px;
  font-size: 16px;
  min-width: 0;
}

/* Regel uitleg onder de naam van een rij. */
.row-note {
  color: var(--muted);
  font-size: 13px;
  line-height: 1.4;
}

.row:hover .row-note,
.row:has(input:checked) .row-note {
  color: var(--muted);
}

.row .status {
  font-size: 13px;
  color: var(--muted);
  text-align: right;
}

.row .status.known {
  color: var(--atlas);
}

.row:hover .row-title,
.row:hover .name:not(:has(.row-title)) {
  text-decoration: underline;
  text-underline-offset: 3px;
}

.row:has(input:checked) .row-title,
.row:has(input:checked) .name:not(:has(.row-title)) {
  font-weight: 500;
}

.row:has(input:focus-visible) {
  outline: 2px solid var(--atlas);
  outline-offset: 2px;
}

/* Keuzevakjes: vierkant, inkt, geen radius */
.row input[type="radio"],
.row input[type="checkbox"] {
  appearance: none;
  -webkit-appearance: none;
  width: 16px;
  height: 16px;
  margin: 0;
  flex: none;
  border: 1.5px solid var(--ink);
  border-radius: 0;
  background: transparent;
  cursor: pointer;
  align-self: center;
}

.row input[type="radio"]:checked,
.row input[type="checkbox"]:checked {
  background: var(--ink);
  box-shadow: inset 0 0 0 3px var(--paper);
}

.row input[type="radio"]:focus-visible,
.row input[type="checkbox"]:focus-visible {
  outline: 2px solid var(--atlas);
  outline-offset: 2px;
}

/* Een rij waarvan het keuzerondje verborgen is (de kaartkeuze) mag geen
   onzichtbaar klikvlak over de tekst leggen. */
.row input.visually-hidden {
  width: 1px;
  height: 1px;
  border: 0;
  box-shadow: none;
}

.row input:disabled {
  border-color: var(--rule);
  cursor: default;
}

.row:has(input:disabled) {
  color: var(--muted);
  cursor: default;
}

.row:has(input:disabled):hover .row-title {
  text-decoration: none;
}

.visually-hidden {
  position: absolute;
  width: 1px;
  height: 1px;
  margin: -1px;
  padding: 0;
  overflow: hidden;
  clip: rect(0 0 0 0);
  white-space: nowrap;
  border: 0;
}

/* Knoppen */
.btn {
  line-height: 1.4;
}

.btn:hover {
  background: var(--paper-2);
}

.btn-primary:hover {
  background: var(--ink);
  color: var(--paper);
  border-color: var(--ink);
}

.btn:active {
  background: var(--track);
}

.btn-primary:active {
  background: var(--atlas);
  border-color: var(--atlas);
}

.actions {
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 16px;
  margin-top: 28px;
}

.actions-end {
  justify-content: flex-end;
}

.link {
  cursor: pointer;
  font-family: var(--sans);
}

.link:hover {
  color: var(--ink);
}

/* Feedback */
.feedback {
  line-height: 1.5;
}

.feedback[hidden] {
  display: none;
}

/* Voet */
footer {
  width: 100%;
  border-top: 0.5px solid var(--rule);
  padding: 14px 0;
  margin-top: auto;
}

footer p {
  color: var(--muted);
  font-size: 13px;
}

a.btn {
  display: inline-block;
  text-decoration: none;
}

/* Laadscherm (partials/loading.html + js/loading.js) */
.loading {
  position: fixed;
  inset: 0;
  z-index: 100;
  background: var(--paper);
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  gap: 14px;
  opacity: 1;
  transition: opacity 0.3s ease;
}

.loading.done {
  opacity: 0;
  pointer-events: none;
}

.loading-text {
  color: var(--muted);
  font-size: 13px;
}

/* Streep die heen en weer loopt: we weten niet hoe ver het laden is. */
.loading-bar {
  width: 160px;
  height: 3px;
  background: var(--track);
  overflow: hidden;
}

.loading-bar > span {
  display: block;
  width: 40%;
  height: 100%;
  background: var(--atlas);
  animation: loadingSlide 1.1s ease-in-out infinite;
}

@keyframes loadingSlide {
  0% {
    transform: translateX(-100%);
  }
  100% {
    transform: translateX(350%);
  }
}

@media (prefers-reduced-motion: reduce) {
  .loading-bar > span {
    width: 100%;
    animation: none;
  }

  /* En verder overal: geen animaties en geen overgangen. Dat raakt onder meer
     het knipperen in de lobby van de klassikale quiz en het inkleuren van de
     kaart. */
  *,
  *::before,
  *::after {
    animation-duration: 0.01ms !important;
    animation-iteration-count: 1 !important;
    transition-duration: 0.01ms !important;
    scroll-behavior: auto !important;
  }
}

/* Foutpagina's (404, 500) */
main.error {
  display: flex;
  flex-direction: column;
  justify-content: center;
}

/* De tekst blijft links uitgelijnd met de kop, maar wordt niet te breed. */
main.error > * {
  max-width: 620px;
}

.error-code {
  font-family: var(--serif);
  font-size: 72px;
  line-height: 1;
  color: var(--rule);
  margin-bottom: 8px;
}

.error-title {
  font-size: 22px;
}

.error-text {
  color: var(--muted);
  margin-top: 6px;
  padding-bottom: 20px;
  border-bottom: 0.5px solid var(--rule);
}

/* Melding als de verbinding met de server weg is */
.verbinding {
  margin: 10px 0 0;
  padding: 8px 12px;
  border: 0.5px solid var(--pen);
  border-left: 3px solid var(--pen);
  background: var(--paper-2);
  color: var(--pen);
  font-size: 14px;
}

.verbinding[hidden] {
  display: none;
}