/* -------------------------------------------------------------------------- */
/*   06-components/_task.css: the task view (app.js renderTaskView).          */
/*   Title, intent, what the crew did, and the reading list of source cards. */
/* -------------------------------------------------------------------------- */

.task {
  width: min(var(--width-measure), 100%);
  margin: 0 auto;
  padding: var(--space-6) var(--space-4) var(--space-7);
  display: flex;
  flex-direction: column;
  gap: var(--space-5);
}

.task__head {
  display: flex;
  flex-direction: column;
  gap: var(--space-2);
}

.task__head > .label {
  margin: 0;
}

.task__title {
  margin: 0;
  font-size: var(--font-size-display);
  font-weight: var(--font-weight-bold);
  line-height: var(--line-height-tight);
  overflow-wrap: anywhere;
}

.task__title:focus {
  outline: none; /* focused for screen readers on open; not a control */
}

.task__intro,
.task__empty,
.task__demo {
  margin: 0;
}

.task__list {
  display: flex;
  flex-direction: column;
  gap: var(--space-2);
}

.task__list > .label {
  margin: 0;
}

/* Reading list: one card per source. */
.sources {
  display: flex;
  flex-direction: column;
  gap: var(--space-2);
}

.source {
  display: flex;
  flex-direction: column;
  align-items: stretch;
  gap: var(--space-1);
  width: 100%;
  padding: var(--space-3) var(--space-4);
  border: none;
  color: var(--color-ink);
  text-align: left;
  cursor: pointer;
  transition: background-color var(--duration-hover) var(--ease-hover);
}

.source:hover {
  background-color: var(--color-accent-wash);
}

.source:focus-visible {
  outline-offset: 2px;
}

.source__top {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: var(--space-2);
}

.source__name {
  font-size: var(--font-size-caption);
}

.source__read {
  display: inline-flex;
  align-items: center;
  gap: var(--space-1);
  font-size: var(--font-size-caption);
  color: var(--color-accent);
}

.source__read .icon {
  width: var(--space-3);
  height: var(--space-3);
}

.source__title {
  font-size: var(--font-size-title);
  font-weight: var(--font-weight-semibold);
  line-height: var(--line-height-tight);
}

.source__why {
  font-size: var(--font-size-sm);
  color: var(--color-ink-muted);
}

/* Read sources step back a little; unread ones stay full strength. */
.source.is-visited .source__title {
  font-weight: var(--font-weight-regular);
  color: var(--color-ink-muted);
}

/* The prepared study session keeps reading, connections and questions together. */
.study { max-width: 1160px; padding: 36px 40px; margin: 0 auto; }
.study .task__head { margin-bottom: 28px; }
.study .task__title { font-size: 32px; }
.study__layout { display: grid; grid-template-columns: 1fr 1fr; gap: 28px; align-items: start; }
.study__reading { display: flex; flex-direction: column; gap: 14px; }
.study__reading > h2 { margin: 0; }
.study .source { padding: 20px; gap: 10px; }
.study .source__title { font-size: 21px; }
.study .source__why { font-size: 16px; line-height: 1.5; }
.study__connection { padding: 20px; }
.study__connection h2 { margin-top: 0; }
.study__chain { display: flex; align-items: center; gap: 10px; margin: 20px 0; font-size: 16px; line-height: 1.4; }
.study__chain span { flex: 1; }
.study__chain b { color: var(--color-accent); }
.study__quiz { padding: 24px; border: 1px solid var(--color-accent); }
.study__quiz h2 { margin-top: 0; }
.study__quiz h3 { font-size: 22px; line-height: 1.4; margin: 14px 0 20px; }
.study__options { display: flex; flex-direction: column; gap: 10px; }
.study__option { padding: 14px 16px; border: 1px solid var(--color-ink-muted); border-radius: 8px; background: transparent; color: var(--color-ink); text-align: left; font: inherit; line-height: 1.5; cursor: pointer; }
.study__option:hover, .study__option.is-selected { border-color: var(--color-accent); background: var(--color-accent-wash); }
.study__feedback { margin: 20px 0 12px; font-size: 16px; line-height: 1.6; min-height: 52px; }
.study__actions { display: flex; flex-wrap: wrap; gap: 12px; margin-top: 14px; }
.study__done { margin-bottom: 0; color: var(--color-accent); }
@media (max-width: 800px) { .study { padding: 24px; } .study__layout { grid-template-columns: 1fr; } }