/* EduDaily — Reusable UI Components */

/* ── Subject Tabs ───────────────────────────────────────────────── */
.edu-subject-tabs {
  display: flex;
  gap: 8px;
  overflow-x: auto;
  scrollbar-width: none;
  padding: 4px;
  margin-bottom: 16px;
  -webkit-overflow-scrolling: touch;
}
.edu-subject-tabs::-webkit-scrollbar { display: none; }

.edu-subject-tab {
  align-items: center;
  background: var(--edu-surface);
  border: 2px solid var(--edu-border);
  border-radius: 99px;
  cursor: pointer;
  display: inline-flex;
  flex-shrink: 0;
  font-family: var(--edu-font);
  font-size: 0.875rem;
  font-weight: 600;
  gap: 5px;
  padding: 8px 16px;
  min-height: 40px;
  transition: background 0.15s, border-color 0.15s, color 0.15s;
  -webkit-tap-highlight-color: transparent;
}
.edu-subject-tab.is-active {
  background: var(--subject-color, var(--edu-primary));
  border-color: var(--subject-color, var(--edu-primary));
  color: #fff;
}
.edu-subject-tab__progress {
  background: rgba(255,255,255,0.25);
  border-radius: 99px;
  font-size: 0.75rem;
  font-weight: 700;
  padding: 1px 6px;
}
.edu-subject-tab:not(.is-active) .edu-subject-tab__progress {
  background: var(--edu-border);
  color: var(--edu-text-secondary);
}

/* ── Section accordion ─────────────────────────────────────────── */
.edu-section {
  background: var(--edu-surface);
  border: 1px solid var(--edu-border);
  border-radius: var(--edu-radius);
  margin-bottom: 14px;
  overflow: hidden;
}
.edu-section__header {
  align-items: center;
  background: none;
  border: none;
  cursor: pointer;
  display: flex;
  font-family: var(--edu-font);
  font-size: 1rem;
  font-weight: 700;
  gap: 10px;
  justify-content: space-between;
  padding: 14px 16px;
  text-align: left;
  width: 100%;
  -webkit-tap-highlight-color: transparent;
  color: var(--edu-text);
}
.edu-section__header:hover { background: var(--edu-bg); }
.edu-section__title { flex: 1; }
.edu-section__progress {
  background: var(--edu-bg);
  border: 1px solid var(--edu-border);
  border-radius: 99px;
  color: var(--edu-text-secondary);
  font-size: 0.75rem;
  font-weight: 700;
  padding: 2px 8px;
  flex-shrink: 0;
}
.edu-section.is-complete .edu-section__progress {
  background: #D1FAE5;
  border-color: var(--edu-success);
  color: #065F46;
}
.edu-section__chevron {
  color: var(--edu-text-secondary);
  transition: transform 0.2s;
  flex-shrink: 0;
  font-size: 0.875rem;
}
.edu-section.is-open .edu-section__chevron { transform: rotate(180deg); }
.edu-section__body  { display: none; padding: 0 14px 14px; }
.edu-section.is-open .edu-section__body { display: block; }

/* ── Task Card ─────────────────────────────────────────────────── */
.edu-task-card {
  background: var(--edu-surface);
  border: 2px solid var(--edu-border);
  border-radius: var(--edu-radius);
  margin-bottom: 12px;
  overflow: hidden;
  transition: border-color 0.2s, box-shadow 0.2s;
}
.edu-task-card.is-correct { border-color: var(--edu-success); }
.edu-task-card.is-failed  { border-color: var(--edu-error); }

/* ── Task card header (type strip) ─────────────────────────────── */
.edu-task-card__header {
  align-items: center;
  display: flex;
  gap: 8px;
  padding: 8px 14px;
  border-bottom: 1px solid var(--edu-border);
}
/* Colors per type */
.edu-task--input_answer   .edu-task-card__header { background: #EFF6FF; }
.edu-task--multiple_choice .edu-task-card__header { background: #F5F3FF; }
.edu-task--fill_in_blank  .edu-task-card__header { background: #FFFBEB; }
.edu-task--match_pairs    .edu-task-card__header { background: #F0FDFA; }
.edu-task--photo_check    .edu-task-card__header { background: #FDF4FF; }
.edu-task--display_only   .edu-task-card__header { background: #F8FAFC; }

.edu-task-card__type-icon  { font-size: 1rem; line-height: 1; }
.edu-task-card__type-label {
  font-size: 0.75rem;
  font-weight: 700;
  letter-spacing: 0.04em;
  text-transform: uppercase;
  color: var(--edu-text-secondary);
  flex: 1;
}
.edu-task-card__attempts {
  font-size: 0.75rem;
  color: var(--edu-text-secondary);
  flex-shrink: 0;
}

/* ── Task card body ─────────────────────────────────────────────── */
.edu-task-card__body { padding: 14px 14px 10px; }

/* Instruction text */
.edu-task-text {
  font-size: 0.9375rem;
  line-height: 1.65;
  color: var(--edu-text);
  margin-bottom: 14px;
  white-space: pre-line;
}
.edu-task--display_only .edu-task-text {
  background: #F8FAFC;
  border-left: 3px solid var(--edu-border);
  border-radius: 0 var(--edu-radius-sm) var(--edu-radius-sm) 0;
  padding: 10px 14px;
  font-size: 0.9rem;
  line-height: 1.7;
  margin-bottom: 10px;
}

/* ── input_answer interaction ──────────────────────────────────── */
.edu-task-answer-row {
  display: flex;
  gap: 8px;
  align-items: center;
}
.edu-task-answer-row .edu-input {
  flex: 1;
  font-size: 1rem;
  font-family: var(--edu-font-mono);
}
.edu-task-answer-row .edu-btn { flex-shrink: 0; }

/* ── multiple_choice ───────────────────────────────────────────── */
.edu-choices {
  display: grid;
  gap: 8px;
  grid-template-columns: 1fr 1fr;
  margin-bottom: 2px;
}
.edu-choice-btn {
  background: var(--edu-bg);
  border: 2px solid var(--edu-border);
  border-radius: var(--edu-radius-sm);
  cursor: pointer;
  font-family: var(--edu-font);
  font-size: 0.9rem;
  font-weight: 500;
  padding: 11px 10px;
  text-align: center;
  transition: background 0.15s, border-color 0.15s, transform 0.1s;
  min-height: 48px;
  line-height: 1.3;
  -webkit-tap-highlight-color: transparent;
  word-break: break-word;
}
.edu-choice-btn:hover:not(:disabled) {
  border-color: var(--edu-primary);
  background: #EFF6FF;
  transform: translateY(-1px);
}
.edu-choice-btn:active:not(:disabled) { transform: translateY(0); }
.edu-choice-btn.is-correct  { background: #D1FAE5; border-color: var(--edu-success); color: #065F46; font-weight: 700; }
.edu-choice-btn.is-wrong    { background: #FEE2E2; border-color: var(--edu-error); color: #991B1B; }
.edu-choice-btn:disabled    { cursor: default; opacity: 0.8; }

/* ── fill_in_blank ─────────────────────────────────────────────── */
.edu-fill-text {
  font-size: 0.9375rem;
  line-height: 2.1;
  color: var(--edu-text);
  margin-bottom: 12px;
}
.edu-blank-input {
  background: #FFFDE7;
  border: 2px solid #F59E0B;
  border-radius: 6px;
  display: inline-block;
  font-family: var(--edu-font-mono);
  font-size: 0.9rem;
  min-width: 60px;
  padding: 2px 6px;
  text-align: center;
  transition: border-color 0.15s, background 0.15s;
  vertical-align: middle;
  width: auto;
}
.edu-blank-input:focus {
  border-color: var(--edu-primary);
  background: #EFF6FF;
  outline: none;
}
.edu-blank-input.is-correct-blank { background: #D1FAE5; border-color: var(--edu-success); }
.edu-blank-input.is-wrong-blank   { background: #FEE2E2; border-color: var(--edu-error); }
.edu-blank-input:disabled { opacity: 0.8; cursor: default; }

/* ── match_pairs ───────────────────────────────────────────────── */
.edu-match-instruction {
  font-size: 0.9rem;
  color: var(--edu-text-secondary, #64748B);
  margin: 0 0 10px;
  white-space: pre-line;
}
.edu-match-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 8px;
  margin-bottom: 10px;
}
.edu-match-col { display: flex; flex-direction: column; gap: 6px; }
.edu-match-item {
  align-items: center;
  background: var(--edu-bg);
  border: 2px solid var(--edu-border);
  border-radius: var(--edu-radius-sm);
  cursor: pointer;
  display: flex;
  font-size: 0.9rem;
  font-weight: 500;
  justify-content: center;
  min-height: 46px;
  padding: 8px 10px;
  text-align: center;
  transition: background 0.15s, border-color 0.15s, transform 0.1s;
  -webkit-tap-highlight-color: transparent;
  word-break: break-word;
}
.edu-match-item:hover:not(.is-matched):not(.is-selected) {
  border-color: var(--edu-primary);
  background: #EFF6FF;
}
.edu-match-item.is-selected {
  border-color: var(--edu-primary);
  background: #DBEAFE;
  font-weight: 700;
}
.edu-match-item.is-matched {
  background: #D1FAE5;
  border-color: var(--edu-success);
  color: #065F46;
  cursor: default;
  font-weight: 700;
}
.edu-match-item.is-wrong {
  border-color: var(--edu-error);
  background: #FEE2E2;
}

/* ── photo_check ───────────────────────────────────────────────── */
.edu-photo-wrap { }
.edu-photo-zone {
  border: 2px dashed var(--edu-border);
  border-radius: var(--edu-radius);
  padding: 28px 16px;
  text-align: center;
  cursor: pointer;
  transition: border-color 0.15s, background 0.15s;
  margin-bottom: 10px;
}
.edu-photo-zone:hover { border-color: var(--edu-primary); background: #EFF6FF; }
.edu-photo-zone__icon { font-size: 2.5rem; margin-bottom: 8px; }
.edu-photo-zone__text { color: var(--edu-text-secondary); font-size: 0.9rem; }
.edu-photo-preview {
  max-width: 100%;
  border-radius: var(--edu-radius-sm);
  display: none;
  margin-bottom: 10px;
}
.edu-photo-preview.is-visible { display: block; }
.edu-photo-grade {
  align-items: center;
  display: flex;
  gap: 12px;
  flex-wrap: wrap;
  margin-top: 8px;
}
.edu-grade-badge {
  background: var(--edu-primary);
  border-radius: var(--edu-radius-sm);
  color: #fff;
  font-size: 1.5rem;
  font-weight: 800;
  min-width: 56px;
  padding: 8px 12px;
  text-align: center;
}
.edu-photo-feedback { font-size: 0.9rem; line-height: 1.5; flex: 1; }
.edu-photo-errors   { color: var(--edu-error); font-size: 0.875rem; margin-top: 6px; }

/* ── Shared result / feedback elements ─────────────────────────── */
.edu-task-result {
  font-weight: 700;
  font-size: 0.9375rem;
  display: none;
  margin-top: 10px;
}
.edu-task-result.is-correct { color: var(--edu-success); display: flex; align-items: center; gap: 6px; }

.edu-task-hint {
  background: #FEF3C7;
  border-radius: var(--edu-radius-xs);
  color: #92400E;
  font-size: 0.875rem;
  padding: 8px 12px;
  display: none;
  margin-top: 10px;
}
.edu-task-hint.is-visible { display: block; }

.edu-task-correct-answer {
  background: #FEE2E2;
  border-radius: var(--edu-radius-xs);
  color: #991B1B;
  font-size: 0.875rem;
  padding: 8px 12px;
  display: none;
  margin-top: 10px;
}
.edu-task-correct-answer.is-visible { display: block; }

.edu-attempt-counter {
  color: var(--edu-text-secondary);
  font-size: 0.8125rem;
  margin-top: 6px;
}

/* ── Display-only notebook badge ───────────────────────────────── */
.edu-notebook-badge {
  align-items: center;
  color: var(--edu-text-secondary);
  display: inline-flex;
  font-size: 0.8125rem;
  gap: 4px;
  margin-top: 6px;
}

/* ── Dashboard progress widget ─────────────────────────────────── */
.edu-today-progress { margin-bottom: 16px; }
.edu-today-progress__label {
  display: flex;
  justify-content: space-between;
  font-size: 0.875rem;
  margin-bottom: 6px;
  color: var(--edu-text-secondary);
}
.edu-today-progress__label strong { color: var(--edu-text); }

.edu-subject-progress-row {
  align-items: center;
  display: flex;
  gap: 10px;
  margin-bottom: 8px;
}
.edu-subject-progress-row__label {
  flex-shrink: 0;
  font-size: 0.875rem;
  font-weight: 600;
  width: 40px;
}
.edu-subject-progress-row__bar  { flex: 1; }
.edu-subject-progress-row__count {
  color: var(--edu-text-secondary);
  flex-shrink: 0;
  font-size: 0.8125rem;
  width: 48px;
  text-align: right;
}

/* ── Toggle / Checkbox ─────────────────────────────────────────── */
.edu-toggle {
  align-items: center;
  cursor: pointer;
  display: flex;
  gap: 10px;
  user-select: none;
  -webkit-tap-highlight-color: transparent;
}
.edu-toggle input { display: none; }
.edu-toggle__track {
  background: var(--edu-border);
  border-radius: 99px;
  flex-shrink: 0;
  height: 24px;
  position: relative;
  transition: background 0.2s;
  width: 44px;
}
.edu-toggle input:checked + .edu-toggle__track { background: var(--edu-success); }
.edu-toggle__thumb {
  background: #fff;
  border-radius: 50%;
  box-shadow: 0 1px 3px rgba(0,0,0,0.2);
  height: 20px;
  left: 2px;
  position: absolute;
  top: 2px;
  transition: transform 0.2s;
  width: 20px;
}
.edu-toggle input:checked ~ .edu-toggle__track .edu-toggle__thumb { transform: translateX(20px); }

/* ── Child card (guardian) ─────────────────────────────────────── */
.edu-child-card {
  background: var(--edu-surface);
  border: 1.5px solid var(--edu-border);
  border-radius: var(--edu-radius);
  cursor: pointer;
  display: flex;
  align-items: center;
  gap: 14px;
  padding: 14px 16px;
  margin-bottom: 10px;
  transition: border-color 0.15s, box-shadow 0.15s;
  text-decoration: none;
  color: var(--edu-text);
  -webkit-tap-highlight-color: transparent;
}
.edu-child-card:hover { border-color: var(--edu-primary); box-shadow: var(--edu-shadow-lg); }
.edu-child-card__avatar {
  background: var(--edu-primary);
  border-radius: 50%;
  color: #fff;
  flex-shrink: 0;
  font-size: 1.125rem;
  font-weight: 700;
  height: 46px;
  line-height: 46px;
  text-align: center;
  width: 46px;
}
.edu-child-card__name   { font-weight: 600; }
.edu-child-card__sub    { color: var(--edu-text-secondary); font-size: 0.875rem; margin-top: 2px; }
.edu-child-card__streak { margin-left: auto; font-size: 1rem; font-weight: 700; color: var(--edu-warning); }

/* ── Modal ─────────────────────────────────────────────────────── */
body.edu-modal-open { overflow: hidden; }

.edu-modal-overlay {
  background: rgba(15, 23, 42, 0.6);
  backdrop-filter: blur(3px);
  -webkit-backdrop-filter: blur(3px);
  inset: 0;
  position: fixed;
  width: 100vw;
  width: 100dvw;
  height: 100vh;
  height: 100dvh;
  display: none;
  align-items: flex-end;
  justify-content: center;
  padding: 0;
  margin: 0;
  z-index: 9999;
  overflow-y: auto;
  overscroll-behavior: contain;
  animation: edu-fade-in 0.18s ease;
}
.edu-modal-overlay.is-open { display: flex; }
.edu-modal {
  background: var(--edu-surface);
  border-radius: 18px 18px 0 0;
  max-height: 92dvh;
  overflow-y: auto;
  padding: 22px 18px 28px;
  width: 100%;
  max-width: 560px;
  box-shadow: 0 -8px 32px rgba(0,0,0,0.25);
  animation: edu-slide-up 0.28s cubic-bezier(0.2, 0.9, 0.3, 1);
}
.edu-modal__header {
  align-items: center;
  display: flex;
  justify-content: space-between;
  margin-bottom: 18px;
  padding-bottom: 12px;
  border-bottom: 1px solid var(--edu-border);
}
.edu-modal__title {
  font-size: 1.125rem;
  font-weight: 700;
  display: flex;
  align-items: center;
  gap: 8px;
}
.edu-modal__close {
  align-items: center;
  background: var(--edu-bg);
  border: none;
  border-radius: 50%;
  color: var(--edu-text-secondary);
  cursor: pointer;
  display: flex;
  font-size: 1.25rem;
  height: 36px;
  justify-content: center;
  line-height: 1;
  padding: 0;
  transition: background 0.15s, color 0.15s;
  width: 36px;
}
.edu-modal__close:hover {
  background: var(--edu-border);
  color: var(--edu-text);
}
@keyframes edu-slide-up {
  from { transform: translateY(60px); opacity: 0; }
  to   { transform: translateY(0);    opacity: 1; }
}
@keyframes edu-fade-in {
  from { opacity: 0; }
  to   { opacity: 1; }
}

@media (min-width: 768px) {
  .edu-choices { grid-template-columns: repeat(2, 1fr); }
  .edu-modal-overlay {
    align-items: center;
    padding: 24px;
  }
  .edu-modal {
    border-radius: 18px;
    box-shadow: 0 20px 50px rgba(0,0,0,0.35);
    max-height: 88dvh;
  }
}
@media (min-width: 1024px) {
  .edu-choices { grid-template-columns: repeat(4, 1fr); }
}