/* Apollo & Meg – Summer English Practice */

*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }

:root {
  --col-dark:    #1a1a2e;
  --col-story:   #2d6a4f;
  --col-task1:   #b5451b;
  --col-task2:   #1a5276;
  --col-vocab:   #6c3483;
  --col-bg:      #f8f7f4;
  --col-card:    #ffffff;
  --col-line:    #d0cec8;
  --col-muted:   #888888;
  --font-body:   'Segoe UI', Arial, sans-serif;
  --radius:      8px;
}

body {
  font-family: var(--font-body);
  background: var(--col-bg);
  color: var(--col-dark);
  padding: 24px 16px;
  max-width: 780px;
  margin: 0 auto;
}

/* ── HEADER ── */
.unit-header {
  display: flex;
  justify-content: space-between;
  align-items: baseline;
  border-bottom: 3px solid var(--col-dark);
  padding-bottom: 6px;
  margin-bottom: 12px;
}
.unit-label {
  font-size: 11px;
  color: var(--col-muted);
  letter-spacing: .08em;
  text-transform: uppercase;
}
.unit-title {
  font-size: 22px;
  font-weight: 800;
  letter-spacing: .02em;
  margin-bottom: 6px;
}
.meta-row {
  display: flex;
  gap: 32px;
  font-size: 12px;
  color: var(--col-muted);
  margin-bottom: 20px;
}
.meta-row span { border-bottom: 1px solid var(--col-line); min-width: 160px; display: inline-block; }

/* ── SECTION CARD ── */
.section {
  border-radius: var(--radius);
  overflow: hidden;
  margin-bottom: 18px;
  box-shadow: 0 1px 4px rgba(0,0,0,.07);
}
.section-head {
  padding: 7px 14px;
  font-size: 11px;
  font-weight: 700;
  letter-spacing: .09em;
  text-transform: uppercase;
  color: #fff;
}
.section-body {
  background: var(--col-card);
  padding: 14px 16px;
}

.section--story  .section-head { background: var(--col-story); }
.section--task1  .section-head { background: var(--col-task1); }
.section--task2  .section-head { background: var(--col-task2); }
.section--vocab  .section-head { background: var(--col-vocab); }

/* ── STORY ── */
.story-sentences { list-style: none; counter-reset: story; }
.story-sentences li {
  counter-increment: story;
  display: flex;
  gap: 10px;
  font-size: 13.5px;
  line-height: 1.6;
  padding: 4px 0;
  border-bottom: 1px solid var(--col-bg);
}
.story-sentences li::before {
  content: counter(story) ".";
  font-weight: 700;
  color: var(--col-story);
  min-width: 18px;
}

/* ── TASKS ── */
.task-instruction {
  font-size: 12px;
  font-style: italic;
  color: #555;
  margin-bottom: 10px;
}
.task-items { list-style: none; }
.task-items li {
  margin-bottom: 12px;
}
.task-prompt {
  font-size: 13px;
  margin-bottom: 4px;
}
.task-prompt .arrow { color: var(--col-task1); font-weight: 700; margin-right: 4px; }
.write-line {
  display: block;
  width: 100%;
  border: none;
  border-bottom: 1.5px solid var(--col-line);
  background: transparent;
  padding: 4px 2px;
  font-size: 13px;
  font-family: var(--font-body);
  color: var(--col-dark);
  outline: none;
  margin-top: 2px;
}
.write-line:focus { border-bottom-color: var(--col-task1); }

/* Task 2 */
.task2-question {
  font-size: 13.5px;
  font-weight: 600;
  margin-bottom: 4px;
}
.task2-hint {
  font-size: 12px;
  color: var(--col-muted);
  font-style: italic;
  margin-bottom: 10px;
}
.answer-lines { display: flex; flex-direction: column; gap: 10px; }

/* ── VOCAB TABLE ── */
.vocab-table {
  width: 100%;
  border-collapse: collapse;
  font-size: 13px;
}
.vocab-table thead tr {
  background: var(--col-vocab);
  color: #fff;
}
.vocab-table th {
  padding: 6px 10px;
  text-align: left;
  font-size: 11px;
  letter-spacing: .06em;
  text-transform: uppercase;
}
.vocab-table tbody tr:nth-child(odd)  { background: #f5f0fa; }
.vocab-table tbody tr:nth-child(even) { background: #fff; }
.vocab-table td {
  padding: 7px 10px;
  border-bottom: 1px solid #e8e0f0;
}
.vocab-table td:first-child { font-weight: 700; color: var(--col-dark); }
.vocab-table td:nth-child(2) { color: #555; }
.vocab-table .copy-cell input {
  width: 100%;
  border: none;
  border-bottom: 1.5px solid var(--col-line);
  background: transparent;
  font-size: 13px;
  font-family: var(--font-body);
  padding: 2px 2px;
  outline: none;
}
.vocab-table .copy-cell input:focus { border-bottom-color: var(--col-vocab); }

/* ── FOOTER ── */
.unit-footer {
  text-align: center;
  font-size: 11px;
  color: var(--col-muted);
  margin-top: 24px;
  padding-top: 10px;
  border-top: 1px solid var(--col-line);
}

/* ── PRINT ── */
@media print {
  body { background: #fff; padding: 0; }
  .section { box-shadow: none; border: 1px solid #ccc; }
  .write-line, .copy-cell input { border-bottom-color: #aaa !important; }
  @page { margin: 1.8cm; size: A4; }
}