* { box-sizing: border-box; margin: 0; padding: 0; }
[hidden] { display: none !important; }

:root {
  --bg: #fdf6e3;
  --card: #ffffff;
  --ink: #2d3142;
  --accent: #4f86f7;
  --accent-dark: #3a6fd8;
  --good: #2e9e5b;
  --good-bg: #e3f6ec;
  --bad: #d64550;
  --bad-bg: #fdeaec;
  --gold: #f6b93b;
  --muted: #8a8fa3;
  --radius: 18px;
}

body {
  font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, "Comic Sans MS", sans-serif;
  background: var(--bg);
  color: var(--ink);
  min-height: 100vh;
}

.view {
  max-width: 640px;
  margin: 0 auto;
  padding: 2rem 1.25rem 4rem;
  text-align: center;
}

.app-title { font-size: 2.4rem; margin-bottom: 0.5rem; }
.subtitle { font-size: 1.25rem; color: var(--muted); margin-bottom: 2rem; }
.hint { color: var(--muted); margin: 1rem 0; }
.error { color: var(--bad); margin: 0.5rem 0; }

/* ---------- kid picker ---------- */
.kid-cards {
  display: flex; flex-wrap: wrap; gap: 1rem; justify-content: center;
  margin-bottom: 2.5rem;
}
.kid-card {
  background: var(--card);
  border: 3px solid transparent;
  border-radius: var(--radius);
  padding: 1.5rem 2rem;
  font-size: 1.2rem;
  font-weight: 700;
  cursor: pointer;
  box-shadow: 0 4px 12px rgba(45, 49, 66, 0.08);
  transition: transform 0.1s, border-color 0.1s;
  min-width: 140px;
}
.kid-card:hover { transform: translateY(-3px) scale(1.03); border-color: var(--accent); }
.kid-card .avatar { display: block; font-size: 3rem; margin-bottom: 0.5rem; }

/* ---------- kid home ---------- */
.back-btn {
  display: inline-block;
  background: none; border: none; color: var(--muted);
  font-size: 1rem; cursor: pointer; margin-bottom: 1rem;
}
#kid-greeting { font-size: 2rem; margin: 1rem 0; clear: both; }

.week-card {
  background: var(--card); border-radius: var(--radius);
  padding: 1.25rem; margin-bottom: 2rem;
  box-shadow: 0 4px 12px rgba(45, 49, 66, 0.08);
  font-size: 1.1rem;
}
.week-card .mastery-dots {
  margin-top: 0.75rem; line-height: 1.9; letter-spacing: 2px; font-size: 1.1rem;
  word-break: break-all; overflow-wrap: anywhere;
}

.big-actions { display: flex; flex-direction: column; gap: 1rem; align-items: center; }
.big-btn {
  font-size: 1.6rem; font-weight: 700; font-family: inherit;
  padding: 1.25rem 2rem; width: 100%; max-width: 380px;
  border: none; border-radius: var(--radius); cursor: pointer;
  color: #fff; box-shadow: 0 6px 0 rgba(0, 0, 0, 0.15);
  transition: transform 0.05s;
}
.big-btn:active { transform: translateY(4px); box-shadow: 0 2px 0 rgba(0,0,0,0.15); }
.big-btn.practice { background: var(--accent); }
.big-btn.test { background: var(--gold); color: var(--ink); }
.big-btn:disabled { background: #ccc; color: #888; cursor: not-allowed; box-shadow: none; }

/* ---------- practice / test ---------- */
.progress-label { color: var(--muted); font-weight: 700; margin: 0.5rem 0; clear: both; }
.progress-track {
  height: 12px; background: #e8e2d0; border-radius: 6px; overflow: hidden; margin-bottom: 1.5rem;
}
.progress-fill { height: 100%; width: 0; background: var(--accent); transition: width 0.3s; }
.progress-fill.test-fill { background: var(--gold); }

.word-card {
  background: var(--card); border-radius: var(--radius);
  padding: 2rem 1.5rem; box-shadow: 0 4px 12px rgba(45, 49, 66, 0.08);
}
.speak-btn {
  font-size: 1.2rem; font-family: inherit; font-weight: 700;
  background: var(--good-bg); color: var(--good);
  border: 2px solid var(--good); border-radius: 999px;
  padding: 0.6rem 1.4rem; cursor: pointer; margin-bottom: 1.25rem;
}
.prompt { font-size: 1.1rem; color: var(--muted); margin-bottom: 1rem; }

.spell-input {
  display: block; width: 100%; max-width: 420px; margin: 0 auto 1rem;
  font-size: 2rem; font-family: inherit; text-align: center;
  letter-spacing: 4px; padding: 0.6rem;
  border: 3px solid var(--accent); border-radius: 12px;
  outline: none;
}
.spell-input:focus { border-color: var(--accent-dark); }

.check-btn {
  font-size: 1.3rem; font-weight: 700; font-family: inherit;
  background: var(--accent); color: #fff; border: none;
  border-radius: 12px; padding: 0.75rem 2.5rem; cursor: pointer;
  box-shadow: 0 4px 0 var(--accent-dark);
}
.check-btn:active { transform: translateY(3px); box-shadow: 0 1px 0 var(--accent-dark); }

/* letter-diff feedback */
.feedback { min-height: 1rem; margin-bottom: 1rem; font-size: 1.2rem; }
.feedback .banner {
  display: inline-block; padding: 0.5rem 1.25rem; border-radius: 999px;
  font-weight: 700; margin-bottom: 0.75rem;
}
.feedback .banner.good { background: var(--good-bg); color: var(--good); }
.feedback .banner.bad { background: var(--bad-bg); color: var(--bad); }
.diff-line { font-size: 1.9rem; letter-spacing: 4px; margin: 0.4rem 0; font-weight: 700; }
.diff-line .label { font-size: 0.85rem; letter-spacing: 0; color: var(--muted); display: block; font-weight: 400; }
.ltr-ok { color: var(--ink); }
.ltr-bad { color: var(--bad); text-decoration: line-through; }
.ltr-fix { color: var(--good); background: var(--good-bg); border-radius: 6px; padding: 0 2px; }
.study-word {
  font-size: 2.6rem; font-weight: 800; letter-spacing: 6px; margin: 0.5rem 0;
}
.countdown { color: var(--muted); }
.hint-badge { font-size: 1rem; color: var(--accent-dark); margin: 0.3rem 0 0.5rem; }

.streak-badge {
  display: inline-block; margin-left: 0.5rem;
  background: #fff3cd; color: #7c5200;
  border-radius: 999px; padding: 0.1rem 0.7rem;
  font-size: 0.95rem; font-weight: 700;
  animation: streak-pop 0.3s ease;
}
@keyframes streak-pop {
  0% { transform: scale(0.7); opacity: 0; }
  70% { transform: scale(1.15); }
  100% { transform: scale(1); opacity: 1; }
}

.test-listening-state {
  font-size: 1.5rem; font-weight: 700; color: var(--accent);
  text-align: center; padding: 2rem 0; letter-spacing: 1px;
  animation: pulse 1s ease-in-out infinite alternate;
}
@keyframes pulse {
  from { opacity: 0.6; }
  to { opacity: 1; }
}
.speak-btn-prominent {
  font-size: 1.4rem; padding: 0.75rem 2rem; width: 100%; max-width: 340px;
  display: block; margin: 0 auto 1.25rem;
}

.done-card {
  background: var(--card); border-radius: var(--radius);
  padding: 2.5rem 1.5rem; box-shadow: 0 4px 12px rgba(45, 49, 66, 0.08);
  font-size: 1.3rem;
}
.done-card .big-score { font-size: 3rem; font-weight: 800; margin: 0.75rem 0; }
.done-card ul { list-style: none; margin: 1rem 0; }
.done-card li { margin: 0.3rem 0; }
.done-card button {
  font-size: 1.2rem; font-weight: 700; font-family: inherit;
  background: var(--accent); color: #fff; border: none;
  border-radius: 12px; padding: 0.7rem 2rem; cursor: pointer; margin-top: 1rem;
  display: block; width: 100%;
}
.done-card button.secondary {
  background: var(--good-bg); color: var(--good); border: 2px solid var(--good);
}

/* ---------- parent dashboard ---------- */
.parent { text-align: left; }
.parent h1 { text-align: center; margin-bottom: 1.5rem; clear: both; }
.parent h2 { margin: 2rem 0 0.75rem; font-size: 1.3rem; border-bottom: 2px solid #e8e2d0; padding-bottom: 0.3rem; }

#pin-gate { text-align: center; }
#pin-form input {
  font-size: 1.5rem; text-align: center; width: 180px; padding: 0.5rem;
  border: 2px solid var(--accent); border-radius: 10px; margin-right: 0.5rem;
}
#pin-form button, .inline-form button, #list-form button, .row-actions button, .toggle-btns button {
  font-size: 1rem; font-family: inherit; font-weight: 700;
  background: var(--accent); color: #fff; border: none;
  border-radius: 10px; padding: 0.6rem 1.2rem; cursor: pointer;
}
button.secondary { background: var(--muted); }
button.danger { background: var(--bad); }

.inline-form { display: flex; gap: 0.5rem; margin: 0.75rem 0; flex-wrap: wrap; }
.inline-form input, .inline-form select, #list-form input, #list-form textarea {
  font-size: 1rem; font-family: inherit; padding: 0.55rem;
  border: 2px solid #d8d2c0; border-radius: 10px;
}
.inline-form input { flex: 1; min-width: 140px; }

.item-row {
  display: flex; align-items: center; gap: 0.6rem;
  background: var(--card); border-radius: 10px; padding: 0.45rem 0.75rem; margin: 0.2rem 0;
  box-shadow: 0 1px 4px rgba(45, 49, 66, 0.06);
  flex-wrap: wrap;
}
.item-row .grow { flex: 1; min-width: 120px; }
.muted-label { font-size: 0.82rem; color: var(--muted); white-space: nowrap; }
.item-row select { padding: 0.4rem; border-radius: 8px; border: 2px solid #d8d2c0; font-family: inherit; }
.item-row button {
  font-size: 0.9rem; font-family: inherit; border: none; border-radius: 8px;
  padding: 0.4rem 0.9rem; cursor: pointer; color: #fff; background: var(--accent);
}

#list-form { display: flex; flex-direction: column; gap: 0.75rem; margin-top: 0.75rem; }
#list-editor-details summary { cursor: pointer; font-weight: 700; margin: 0.75rem 0; }
.row-actions { display: flex; gap: 0.5rem; }

.results-student { margin-bottom: 1.25rem; }
.results-student h3 { margin-bottom: 0.4rem; }
table.results {
  width: 100%; border-collapse: collapse; background: var(--card);
  border-radius: 12px; overflow: hidden; font-size: 0.95rem;
}
table.results th, table.results td { padding: 0.5rem 0.75rem; text-align: left; }
table.results th { background: #efe9d8; }
table.results tr:nth-child(even) td { background: #faf7ee; }
.score-good { color: var(--good); font-weight: 700; }
.score-bad { color: var(--bad); font-weight: 700; }

.link-btn {
  display: inline-block; background: none; border: none; color: var(--muted);
  text-decoration: underline; cursor: pointer; font-size: 1rem;
}

/* ---------- kid home tabs ---------- */
.kid-nav { display: flex; gap: 0.5rem; justify-content: center; margin: 0.5rem 0 1.5rem; clear: both; flex-wrap: wrap; }
.nav-pill {
  font-family: inherit; font-size: 1rem; font-weight: 700;
  background: var(--card); color: var(--muted); border: 2px solid #e8e2d0;
  border-radius: 999px; padding: 0.5rem 1.1rem; cursor: pointer;
}
.nav-pill.active { background: var(--accent); color: #fff; border-color: var(--accent); }
.tab-panel { text-align: left; }

/* ---------- today list / item rows (shared by agenda + course pages) ---------- */
.today-row {
  display: flex; align-items: center; gap: 0.85rem; width: 100%;
  background: var(--card); border: none; border-radius: 14px;
  padding: 0.9rem 1.1rem; margin: 0.5rem 0; cursor: pointer; text-align: left;
  font-family: inherit; box-shadow: 0 2px 8px rgba(45, 49, 66, 0.06);
}
.today-row .row-check { font-size: 1.4rem; flex-shrink: 0; }
.today-row .row-title { flex: 1; font-size: 1.05rem; font-weight: 700; color: var(--ink); }
.today-row .row-title small { display: block; font-weight: 400; color: var(--muted); font-size: 0.85rem; }
.today-row .row-badge { font-size: 0.85rem; color: var(--muted); font-weight: 700; white-space: nowrap; }

/* ---------- course cards ---------- */
.course-cards { display: flex; flex-direction: column; gap: 0.75rem; }
.course-card {
  display: flex; flex-direction: column; gap: 0.4rem; text-align: left;
  background: var(--card); border: none; border-left: 6px solid var(--accent);
  border-radius: 14px; padding: 1rem 1.2rem; cursor: pointer; font-family: inherit;
  box-shadow: 0 2px 8px rgba(45, 49, 66, 0.06);
}
.course-card strong { font-size: 1.15rem; }
.course-subject { color: var(--muted); font-size: 0.9rem; }
.course-pct { font-size: 0.85rem; color: var(--muted); }
.progress-track.small { height: 8px; margin: 0.2rem 0; }

/* student course unit cards + gradebook unit cards (shared button-toggle style) */
#course-units .unit-block,
.gb-units .unit-block {
  background: var(--card); border-radius: 16px; margin: 0.75rem 0;
  box-shadow: 0 2px 10px rgba(45, 49, 66, 0.08); overflow: hidden;
}
#course-units .unit-toggle,
.gb-units .unit-toggle {
  display: flex; align-items: center; justify-content: space-between;
  width: 100%; background: none; border: none; padding: 1rem 1.1rem;
  cursor: pointer; font-family: inherit; text-align: left; gap: 0.75rem;
  border-bottom: 2px solid transparent; transition: border-color 0.15s;
}
#course-units .unit-block.open .unit-toggle,
.gb-units .unit-block.open .unit-toggle { border-bottom-color: var(--accent); }
#course-units .unit-toggle-left,
.gb-units .unit-toggle-left {
  display: flex; align-items: center; gap: 0.6rem; flex: 1; min-width: 0;
}
#course-units .unit-num-badge,
.gb-units .unit-num-badge {
  font-size: 0.72rem; font-weight: 700; text-transform: uppercase;
  letter-spacing: 0.05em; background: var(--accent); color: #fff;
  padding: 0.2em 0.55em; border-radius: 6px; flex-shrink: 0;
}
#course-units .unit-title-text,
.gb-units .unit-title-text {
  font-size: 1.05rem; font-weight: 700; color: var(--ink);
  white-space: nowrap; overflow: hidden; text-overflow: ellipsis;
}
#course-units .unit-toggle-right,
.gb-units .unit-toggle-right {
  display: flex; align-items: center; gap: 0.5rem; flex-shrink: 0;
}
#course-units .unit-done-count { font-size: 0.82rem; font-weight: 700; color: var(--muted); white-space: nowrap; }
#course-units .unit-mini-progress { width: 56px; height: 6px; margin: 0; }
#course-units .unit-chevron,
.gb-units .unit-chevron {
  font-size: 1.15rem; color: var(--muted); display: inline-block;
  transition: transform 0.22s ease;
}
#course-units .unit-block:not(.open) .unit-chevron,
.gb-units .unit-block:not(.open) .unit-chevron { transform: rotate(-90deg); }
#course-units .unit-items-list,
.gb-units .unit-items-list {
  max-height: 0; overflow: hidden;
  transition: max-height 0.3s ease, padding 0.3s ease;
  padding: 0 0.85rem;
}
#course-units .unit-block.open .unit-items-list,
.gb-units .unit-block.open .unit-items-list {
  max-height: 4000px; padding: 0.1rem 0.85rem 0.85rem;
}
.gb-units .unit-item-count { font-size: 0.82rem; font-weight: 700; color: var(--muted); white-space: nowrap; }
.gb-overall { margin-top: 1.25rem; }
.gb-overall strong { display: block; font-size: 0.9rem; color: var(--muted); margin-bottom: 0.4rem; }

/* admin course unit cards */
#cd-units .unit-block {
  background: var(--card); border-radius: 16px; margin: 0.75rem 0; padding: 0;
  box-shadow: 0 2px 10px rgba(45, 49, 66, 0.08); overflow: hidden;
}
#cd-units .unit-toggle {
  display: flex; align-items: center; justify-content: space-between;
  padding: 0.85rem 1rem; cursor: pointer; gap: 0.75rem; user-select: none;
  border-bottom: 2px solid transparent; transition: border-color 0.15s;
}
#cd-units .unit-block.open .unit-toggle { border-bottom-color: var(--accent); }
#cd-units .unit-toggle-left {
  display: flex; align-items: center; gap: 0.6rem; flex: 1; min-width: 0;
}
#cd-units .unit-num-badge {
  font-size: 0.72rem; font-weight: 700; text-transform: uppercase;
  letter-spacing: 0.05em; background: var(--accent); color: #fff;
  padding: 0.2em 0.55em; border-radius: 6px; flex-shrink: 0;
}
#cd-units .unit-title-text {
  font-size: 1rem; font-weight: 700; color: var(--ink);
  white-space: nowrap; overflow: hidden; text-overflow: ellipsis;
}
#cd-units .unit-toggle-right {
  display: flex; align-items: center; gap: 0.6rem; flex-shrink: 0;
}
#cd-units .unit-item-count {
  font-size: 0.82rem; font-weight: 700; color: var(--muted); white-space: nowrap;
}
#cd-units .unit-chevron {
  font-size: 1.1rem; color: var(--muted); transition: transform 0.22s ease;
}
#cd-units .unit-block:not(.open) .unit-chevron { transform: rotate(-90deg); }
#cd-units .unit-items-list {
  max-height: 0; overflow: hidden;
  transition: max-height 0.3s ease, padding 0.3s ease;
  padding: 0 0.85rem;
}
#cd-units .unit-block.open .unit-items-list {
  max-height: 4000px; padding: 0.5rem 0.85rem 0.85rem;
}

/* ---------- item viewers (lesson/assignment/quiz) ---------- */
.item-card {
  background: var(--card); border-radius: var(--radius); padding: 1.75rem 1.5rem;
  box-shadow: 0 4px 12px rgba(45, 49, 66, 0.08); text-align: left;
}
.item-kicker { color: var(--muted); font-size: 0.9rem; margin-bottom: 0.25rem; }
.item-card h1 { font-size: 1.5rem; margin-bottom: 1rem; }
.lesson-body { font-size: 1.05rem; line-height: 1.6; margin-bottom: 1.5rem; }
.lesson-body img, .lesson-body iframe { max-width: 100%; border-radius: 10px; }
.points-label { color: var(--muted); font-weight: 700; margin-bottom: 0.75rem; }
.status-banner {
  margin-top: 1rem; padding: 0.75rem 1rem; border-radius: 12px;
  background: #fdf1d6; font-weight: 700;
}
.status-banner.good { background: var(--good-bg); color: var(--good); }

/* ---------- quiz ---------- */
.quiz-question { margin-bottom: 1.25rem; }
.q-prompt { font-weight: 700; margin-bottom: 0.5rem; font-size: 1.05rem; }
.quiz-choice { display: block; margin: 0.35rem 0; font-size: 1rem; cursor: pointer; }
.quiz-choice input { margin-right: 0.5rem; }
.quiz-short-input {
  width: 100%; max-width: 320px; font-size: 1rem; font-family: inherit;
  padding: 0.5rem; border: 2px solid #d8d2c0; border-radius: 10px;
}
.quiz-question.review .q-your-answer { color: var(--muted); }
.quiz-question.review .q-correct-answer { color: var(--good); font-weight: 700; }

/* ---------- flashcards ---------- */
.flip-card { text-align: center; }
.flash-face { font-size: 1.6rem; font-weight: 700; padding: 2rem 1rem; min-height: 3rem; }
#flash-back { color: var(--accent-dark); }
.flash-grade-row { display: flex; gap: 0.75rem; justify-content: center; margin-top: 1rem; }
.flash-grade-row[hidden] { display: none; }
.grade-btn {
  font-size: 1.1rem; font-weight: 700; font-family: inherit; border: none;
  border-radius: 12px; padding: 0.75rem 1.5rem; cursor: pointer; color: #fff;
}
.grade-btn.again { background: var(--bad); }
.grade-btn.got-it { background: var(--good); }

/* ---------- admin console ---------- */
.admin-header {
  display: flex; align-items: center; gap: 1.5rem; flex-wrap: wrap;
  background: var(--card); padding: 1rem 1.5rem; box-shadow: 0 2px 8px rgba(45, 49, 66, 0.06);
}
.admin-logo { font-size: 1.3rem; font-weight: 800; color: var(--ink); text-decoration: none; }
.admin-nav { display: flex; gap: 0.4rem; flex-wrap: wrap; }
.admin-main { max-width: 1400px; margin: 0 auto; padding: 1.5rem 1.25rem 4rem; }
.admin-main h1 { margin-bottom: 1rem; clear: both; }
.admin-main h2 { margin: 1.5rem 0 0.5rem; font-size: 1.15rem; }
.panel { text-align: left; }

/* ---------- filter bar ---------- */
.filter-bar { display: flex; gap: 0.5rem; align-items: center; margin-bottom: 0.5rem; }
.filter-bar input[type="search"] {
  flex: 1; font-family: inherit; font-size: 0.95rem;
  padding: 0.4rem 0.7rem; border: 2px solid #d8d2c0; border-radius: 10px;
}

/* ---------- mastery progress ---------- */
.mastery-stat { font-size: 0.85rem; color: var(--muted); display: flex; align-items: center; gap: 0.4rem; white-space: nowrap; }
.mastery-bar { display: inline-block; width: 70px; height: 7px; background: #e8e2d0; border-radius: 4px; overflow: hidden; flex-shrink: 0; }
.mastery-fill { display: block; height: 100%; background: var(--accent); border-radius: 4px; transition: width 0.3s; }

/* ---------- assign popup ---------- */
#assign-popup {
  position: absolute; z-index: 200;
  background: var(--card); border: 2px solid #d8d2c0; border-radius: 12px;
  padding: 0.6rem; box-shadow: 0 4px 18px rgba(0,0,0,0.15);
  min-width: 160px;
}
.assign-popup-label { font-size: 0.75rem; font-weight: 700; text-transform: uppercase; letter-spacing: 0.05em; color: var(--muted); margin: 0 0 0.4rem; }
#assign-popup-students { display: flex; flex-direction: column; gap: 0.3rem; }
.assign-popup-student {
  font-size: 0.95rem; font-family: inherit; font-weight: 600;
  background: #f5f1e8; color: var(--ink); border: none;
  border-radius: 8px; padding: 0.45rem 0.8rem; cursor: pointer; text-align: left;
}
.assign-popup-student:hover { background: var(--accent); color: #fff; }

/* ---------- hidden list items ---------- */
.list-hidden-item { opacity: 0.45; }

/* ---------- toggle button rows (new/bulk import) ---------- */
.toggle-btns { display: flex; gap: 0.5rem; flex-wrap: wrap; margin-bottom: 0.75rem; }
.toggle-btns button.active { background: var(--accent) !important; color: #fff !important; }
.section-form-title { font-size: 1rem; font-weight: 700; margin: 0 0 0; color: var(--ink); }

/* 2-column layout for wide screens */
.panel-cols { display: flex; flex-direction: column; gap: 1.5rem; }
.panel-col { min-width: 0; }
@media (min-width: 1100px) {
  .panel-cols { flex-direction: row; align-items: start; gap: 2.5rem; }
  .panel-col { flex: 1; }
  .panel-col:first-child { flex: 1.2; }
}

.admin-card {
  background: var(--card); border-radius: 14px; padding: 1.25rem;
  margin: 0.75rem 0; box-shadow: 0 2px 8px rgba(45, 49, 66, 0.06);
  display: flex; flex-direction: column; gap: 0.75rem;
}
.admin-card label { display: flex; flex-direction: column; gap: 0.3rem; font-weight: 700; font-size: 0.9rem; }
.admin-card input, .admin-card select, .admin-card textarea {
  font-family: inherit; font-size: 1rem; padding: 0.5rem; border: 2px solid #d8d2c0; border-radius: 10px; font-weight: 400;
}

.checkbox-label { display: inline-flex; align-items: center; gap: 0.4rem; font-weight: 400; margin-right: 1rem; }
/* admin-card sets label { flex-direction: column } — override for checkboxes */
.admin-card .checkbox-label { flex-direction: row; font-size: 1rem; }
.color-dot { width: 14px; height: 14px; border-radius: 50%; display: inline-block; flex-shrink: 0; }
.archived-badge { background: #e8e2d0; color: var(--muted); font-size: 0.75rem; padding: 0.2rem 0.5rem; border-radius: 999px; }

/* ---------- list/deck groups ---------- */
.list-group { margin-bottom: 1rem; }
.list-group-header {
  display: flex; align-items: center; gap: 0.5rem;
  font-size: 0.85rem; font-weight: 700; text-transform: uppercase;
  letter-spacing: 0.07em; color: #5a5240;
  background: #e8e2d0;
  padding: 0.55rem 0.9rem;
  border-radius: 8px;
  margin-bottom: 0.4rem;
  cursor: pointer; user-select: none; list-style: none;
  transition: background 0.15s;
}
.list-group-header:hover { background: #ddd7c6; }
.list-group-header::-webkit-details-marker { display: none; }
.list-group-header::before {
  content: '▼';
  font-size: 0.75rem;
  transition: transform 0.2s;
  flex-shrink: 0;
}
.list-group:not([open]) .list-group-header::before { transform: rotate(-90deg); }

/* ---------- roster chips ---------- */
#cd-roster { display: flex; flex-wrap: wrap; gap: 0.5rem; }
#cd-roster .checkbox-label {
  margin-right: 0;
  background: #f7f2e3; border: 1.5px solid #d8d2c0; border-radius: 999px;
  padding: 0.3rem 0.85rem; cursor: pointer; font-size: 0.95rem;
  transition: background 0.12s, border-color 0.12s;
}
#cd-roster .checkbox-label:hover { border-color: var(--accent); }

/* ---------- admin list panels — 2-col grid on wider screens ---------- */
#course-rows, #student-rows {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(260px, 1fr));
  gap: 0.4rem;
}
#course-rows .item-row, #student-rows .item-row { margin: 0; }

button.small { font-size: 0.85rem; padding: 0.4rem 0.8rem; }
button.tiny { font-size: 0.75rem; padding: 0.15rem 0.5rem; }
.hint.tiny { font-size: 0.8rem; margin: 0.25rem 0; }

.unit-block { background: var(--card); border-radius: 14px; padding: 1rem 1.1rem; margin: 0.75rem 0; box-shadow: 0 2px 8px rgba(45, 49, 66, 0.06); }
.unit-header { display: flex; justify-content: space-between; align-items: center; margin-bottom: 0.5rem; }
.unit-header h3 { font-size: 1.05rem; }

.quiz-q-row {
  display: grid; grid-template-columns: 9rem 1fr 1fr 1fr 4rem auto; gap: 0.5rem;
  align-items: center; margin-bottom: 0.5rem;
}
.quiz-q-row select, .quiz-q-row input {
  font-family: inherit; font-size: 0.9rem; padding: 0.4rem; border: 2px solid #d8d2c0; border-radius: 8px;
}

/* ---------- planner ---------- */
.week-label { font-weight: 700; }
/* planner week view */
.planner-grid { display: grid; grid-template-columns: repeat(5, 1fr); gap: 0.75rem; margin-top: 1rem; }
.planner-day { background: var(--card); border-radius: 14px; padding: 0.85rem; box-shadow: 0 2px 8px rgba(45, 49, 66, 0.06); min-height: 120px; display: flex; flex-direction: column; }
.planner-day h3 { font-size: 0.95rem; margin-bottom: 0.5rem; }
.planner-day h3 small { display: block; font-weight: 400; color: var(--muted); }

/* planner month view */
.planner-grid.planner-month { display: block; }
.planner-month-header { display: grid; grid-template-columns: repeat(5, 1fr); gap: 3px; margin-bottom: 3px; }
.planner-month-header div { text-align: center; font-size: 0.75rem; font-weight: 700; color: var(--muted); padding: 0.2rem 0; }
.planner-month-row { display: grid; grid-template-columns: repeat(5, 1fr); gap: 3px; margin-bottom: 3px; }
.planner-day-compact { border-radius: 8px; padding: 0.5rem; min-height: 60px; display: flex; flex-direction: column; }
.planner-day-compact h3 { font-size: 0.75rem; margin-bottom: 0.3rem; }
.planner-day-compact .planner-task { font-size: 0.72rem; padding: 0.2rem 0.4rem; }
.planner-day-compact .planner-task span { overflow: hidden; text-overflow: ellipsis; white-space: nowrap; max-width: 90%; }
.planner-day-compact .secondary.small { font-size: 0.7rem; padding: 0.2rem 0.4rem; margin-top: 0.2rem; }

/* view toggle active state */
.secondary.active-view { background: var(--accent); color: #fff; }
.planner-tasks { display: flex; flex-direction: column; gap: 0.4rem; margin-bottom: 0.5rem; min-height: 1.5rem; }
.planner-task {
  display: flex; justify-content: space-between; align-items: center; gap: 0.4rem;
  background: #f7f2e3; border-radius: 8px; padding: 0.4rem 0.6rem; font-size: 0.85rem;
}
.planner-task.done { opacity: 0.55; text-decoration: line-through; }
.planner-task[draggable] { cursor: grab; }
.planner-task[draggable]:active { cursor: grabbing; }
.planner-task.dragging { opacity: 0.35; }
.planner-test-badge { background: color-mix(in srgb, var(--accent) 18%, var(--card)); border-left: 3px solid var(--accent); font-size: 0.78rem; cursor: default; pointer-events: none; }
.planner-tasks.drop-target {
  background: color-mix(in srgb, var(--accent) 12%, transparent);
  border-radius: 8px;
  outline: 2px dashed var(--accent);
}
.add-task-form { display: flex; flex-direction: column; gap: 0.4rem; margin-top: 0.5rem; }
.add-task-form select, .add-task-form input { font-size: 0.85rem; padding: 0.4rem; border: 2px solid #d8d2c0; border-radius: 8px; font-family: inherit; }
.or-divider { text-align: center; font-size: 0.75rem; color: var(--muted); }
.task-save-btn { font-size: 0.85rem; }

.grade-input { width: 4.5rem; padding: 0.4rem; border: 2px solid #d8d2c0; border-radius: 8px; font-family: inherit; }

@media (max-width: 700px) {
  .planner-grid { grid-template-columns: 1fr; }
  .quiz-q-row { grid-template-columns: 1fr 1fr; }
}

@media (max-width: 480px) {
  .app-title { font-size: 1.8rem; }
  .spell-input { font-size: 1.6rem; }
  .study-word { font-size: 2rem; }
  .today-row .row-title { font-size: 0.95rem; }
}

/* ---------- page scanning ---------- */
.scan-card {
  background: var(--card);
  border: 1.5px dashed var(--accent);
  border-radius: 10px;
  padding: 1rem;
  display: flex;
  flex-direction: column;
  gap: 0.5rem;
}
.scan-controls { display: flex; gap: 0.5rem; flex-wrap: wrap; }
.scan-controls button { flex: 0 0 auto; }
.scan-controls button.secondary { background: var(--muted); }
.scan-controls button:disabled { background: #ccc; cursor: not-allowed; }
#scan-preview { max-width: 220px; max-height: 220px; border-radius: 8px; object-fit: contain; }

/* ---------- scan config settings ---------- */
.scan-provider-box {
  border: 1px solid var(--border, #ddd);
  border-radius: 8px;
  padding: 0.75rem 1rem;
  margin-bottom: 0.75rem;
}
.scan-provider-box legend { font-weight: 600; padding: 0 0.3rem; }
.radio-label { display: block; margin: 0.3rem 0; cursor: pointer; }
.radio-label input { margin-right: 0.4rem; }

/* ---------- new features: locked items, due dates, overdue, history, modal ---------- */
.today-row.locked {
  opacity: 0.55;
  cursor: not-allowed;
  background: var(--bg);
  border-color: var(--muted);
}
.due-date { color: var(--muted); font-size: 0.78rem; display: block; }
td.overdue, .overdue { background: var(--bad-bg) !important; }
.attempt-history { margin: 0.75rem 0; font-size: 0.9rem; }
.attempt-history summary { cursor: pointer; color: var(--accent); }
.attempt-history table { width: 100%; border-collapse: collapse; margin-top: 0.5rem; }
.attempt-history td { border: 1px solid #ddd; padding: 0.3rem 0.5rem; }
.modal {
  position: fixed; inset: 0; background: rgba(0,0,0,0.45);
  display: flex; align-items: center; justify-content: center; z-index: 100;
}
.modal-box {
  background: var(--card); border-radius: var(--radius);
  padding: 1.5rem; max-width: 520px; width: 90%; max-height: 80vh; overflow-y: auto;
}
.modal-box h3 { margin-bottom: 1rem; }
.modal-box .secondary { margin-top: 1rem; }

/* ---------- evidence forms ---------- */
.evidence-form { margin: 0.75rem 0; border: 1.5px dashed var(--accent); border-radius: 10px; padding: 0.75rem; }
.evidence-form summary { cursor: pointer; color: var(--accent); font-weight: 600; }
.evidence-inner { display: flex; flex-direction: column; gap: 0.5rem; margin-top: 0.5rem; }
.evidence-inner textarea { width: 100%; border: 1.5px solid #d8d2c0; border-radius: 8px; padding: 0.5rem; font-family: inherit; font-size: 1rem; resize: vertical; }
.evidence-photo-row { display: flex; align-items: center; gap: 0.5rem; }
.evidence-note-label select { width: 100%; padding: 0.4rem 0.6rem; border: 1.5px solid #d8d2c0; border-radius: 8px; font-family: inherit; }
.parent-comment { background: var(--good-bg); border-radius: 10px; padding: 0.75rem 1rem; margin: 0.75rem 0; color: var(--good); }
.status-banner.bad { background: var(--bad-bg); color: var(--bad); border-radius: 10px; padding: 0.75rem 1rem; margin: 0.75rem 0; }

/* ---------- rich text editor (lesson input) ---------- */
.rte-label {
  font-weight: 700; font-size: 0.9rem; margin-bottom: 0.3rem;
}
.rte-toolbar {
  display: flex; flex-wrap: wrap; gap: 0.25rem; align-items: center;
  padding: 0.4rem 0.6rem;
  background: #f0ead8;
  border: 2px solid #d8d2c0;
  border-bottom: none;
  border-radius: 10px 10px 0 0;
}
.rte-btn {
  font-size: 0.85rem; font-family: inherit; font-weight: 600;
  background: var(--card); color: var(--ink);
  border: 1.5px solid #c8c2b0; border-radius: 6px;
  padding: 0.25rem 0.55rem; cursor: pointer; line-height: 1.4;
}
.rte-btn:hover { background: var(--accent); color: #fff; border-color: var(--accent); }
.rte-sep {
  display: inline-block; width: 1px; height: 1.4rem;
  background: #c8c2b0; margin: 0 0.15rem; flex-shrink: 0;
}
.rte-editor {
  min-height: 200px; outline: none; cursor: text;
  border: 2px solid #d8d2c0; border-radius: 0 0 10px 10px;
  padding: 0.75rem; margin-bottom: 0;
  font-size: 1.05rem; line-height: 1.6;
  white-space: pre-wrap;
}
.rte-editor:focus { border-color: var(--accent); }
.rte-editor:empty::before {
  content: attr(data-placeholder);
  color: var(--muted); pointer-events: none; white-space: pre-wrap;
}
.rte-editor h2 { font-size: 1.3rem; margin: 0.6rem 0 0.3rem; }
.rte-editor h3 { font-size: 1.1rem; margin: 0.5rem 0 0.25rem; }
.rte-editor ul, .rte-editor ol { margin: 0.4rem 0 0.4rem 1.5rem; }
.rte-editor a { color: var(--accent-dark); }
.rte-editor img, .rte-editor iframe { max-width: 100%; border-radius: 10px; }

/* ---------- offline 3-state tasks ---------- */
.today-row-offline { background: var(--card); border: 1.5px solid #e2dccf; border-radius: 14px; padding: 0.75rem 1rem; margin-bottom: 0.5rem; text-align: left; }
.offline-main { display: flex; align-items: center; gap: 0.5rem; margin-bottom: 0.5rem; }
.offline-main .row-title { flex: 1; font-weight: 600; }
.offline-controls { display: flex; gap: 0.4rem; flex-wrap: wrap; margin-bottom: 0.5rem; }
.offline-status-btn { padding: 0.3rem 0.75rem; border: 1.5px solid var(--muted); border-radius: 20px; background: transparent; font-size: 0.85rem; cursor: pointer; }
.offline-status-btn.active { border-color: var(--accent); background: var(--accent); color: #fff; }
.offline-evidence-form { border: none; padding: 0; }
.offline-evidence-form summary { font-size: 0.85rem; color: var(--muted); cursor: pointer; }

/* ---------- grading queue cards ---------- */
.grading-card { background: var(--card); border: 1.5px solid #e2dccf; border-radius: 14px; padding: 1rem; margin-bottom: 0.75rem; }
.grading-header { display: flex; align-items: center; gap: 0.5rem; flex-wrap: wrap; margin-bottom: 0.6rem; }
.grading-header .grow { flex: 1; font-weight: 600; }
.grading-footer { display: flex; gap: 0.5rem; align-items: center; flex-wrap: wrap; margin-top: 0.6rem; }
.comment-input { flex: 1; min-width: 140px; padding: 0.4rem 0.6rem; border: 1.5px solid #d8d2c0; border-radius: 8px; font-family: inherit; }
.badge-tag { background: var(--gold); color: #333; border-radius: 20px; padding: 0.2rem 0.6rem; font-size: 0.8rem; font-weight: 600; }

/* ---------- themes ---------- */
body.theme-green  { --accent: #2e9e5b; --accent-dark: #247a47; --bg: #f0faf4; }
body.theme-purple { --accent: #7c5cbf; --accent-dark: #6245a0; --bg: #f8f4ff; }
body.theme-orange { --accent: #e8802a; --accent-dark: #c96a1a; --bg: #fff8f0; }
body.theme-pink   { --accent: #d45d8a; --accent-dark: #b4487a; --bg: #fff0f5; }

/* ---------- kid top bar + theme picker ---------- */
.kid-topbar { display: flex; justify-content: space-between; align-items: center; }
.theme-picker-btn {
  background: none; border: none; font-size: 1.3rem; cursor: pointer;
  padding: 0.25rem 0.5rem; color: var(--muted); line-height: 1;
}
.theme-dots {
  display: flex; gap: 0.6rem; justify-content: flex-end;
  margin-bottom: 0.75rem;
}
.theme-dot {
  width: 2rem; height: 2rem; border-radius: 50%;
  border: 3px solid transparent; cursor: pointer;
  transition: transform 0.12s, border-color 0.12s;
}
.theme-dot:hover { transform: scale(1.2); }
.theme-dot.active { border-color: var(--ink); box-shadow: 0 0 0 2px var(--bg); }
.theme-dot.theme-blue   { background: #4f86f7; }
.theme-dot.theme-green  { background: #2e9e5b; }
.theme-dot.theme-purple { background: #7c5cbf; }
.theme-dot.theme-orange { background: #e8802a; }
.theme-dot.theme-pink   { background: #d45d8a; }

/* ---------- celebration overlay ---------- */
#celebration-overlay {
  position: fixed; inset: 0; z-index: 200;
  background: rgba(0, 0, 0, 0.55);
  display: flex; align-items: center; justify-content: center;
}
#celebration-content {
  background: var(--card); border-radius: var(--radius);
  padding: 2.5rem 2rem; text-align: center;
  max-width: 360px; width: 92%;
  box-shadow: 0 8px 32px rgba(0, 0, 0, 0.22);
  animation: pop-in 0.25s ease;
}
@keyframes pop-in { from { transform: scale(0.85); opacity: 0; } to { transform: scale(1); opacity: 1; } }
.celebration-emoji { font-size: 5rem; animation: bounce 0.6s ease infinite alternate; display: block; }
@keyframes bounce { to { transform: translateY(-14px); } }
#celebration-content h2 { font-size: 1.8rem; margin: 0.5rem 0 1rem; }
.streak-badge { font-size: 2.6rem; font-weight: 800; color: var(--accent); }
.streak-label { color: var(--muted); font-size: 0.9rem; margin-bottom: 1.25rem; }
.best-streak-label { font-size: 0.85rem; color: var(--gold); font-weight: 700; margin-bottom: 0.5rem; }

/* ---------- streak pill on kid home ---------- */
.streak-pill {
  display: inline-flex; align-items: center; gap: 0.3rem;
  background: var(--good-bg); color: var(--good);
  border-radius: 999px; padding: 0.25rem 0.9rem;
  font-size: 0.95rem; font-weight: 700; margin-bottom: 0.75rem;
}

/* ---------- feedback indicator ---------- */
.feedback-badge {
  display: inline-block; background: var(--gold); color: #333;
  font-size: 0.7rem; font-weight: 800; border-radius: 999px;
  padding: 0.1rem 0.45rem; margin-left: 0.35rem; vertical-align: middle;
}
.parent-comment {
  background: var(--good-bg); border-radius: 10px;
  padding: 0.9rem 1rem; margin: 0.75rem 0; color: var(--good);
  border-left: 4px solid var(--good);
  font-size: 1.05rem;
}

/* ---------- print list button ---------- */
.big-btn.print-list {
  background: #6b7280; color: #fff; font-size: 1.2rem;
}

/* ---------- grading badge on admin nav ---------- */
.nav-pill.grading-pending { background: var(--bad); color: #fff; border-color: var(--bad); }

/* ---------- admin theme swatches ---------- */
.theme-swatch-row { display: flex; gap: 0.4rem; align-items: center; }
.theme-swatch {
  width: 1.5rem; height: 1.5rem; border-radius: 50%;
  border: 2px solid transparent; cursor: pointer;
  transition: transform 0.1s;
}
.theme-swatch:hover { transform: scale(1.2); }
.theme-swatch.selected { border-color: var(--ink); }
.theme-swatch.theme-blue   { background: #4f86f7; }
.theme-swatch.theme-green  { background: #2e9e5b; }
.theme-swatch.theme-purple { background: #7c5cbf; }
.theme-swatch.theme-orange { background: #e8802a; }
.theme-swatch.theme-pink   { background: #d45d8a; }

/* ---------- student portal: test history ---------- */
.thr-heading { margin: 1.5rem 0 0.5rem; font-size: 1rem; }
.test-history-row { display: flex; gap: 0.75rem; align-items: baseline; padding: 0.35rem 0; border-bottom: 1px solid var(--muted); font-size: 0.9rem; flex-wrap: wrap; }
.thr-date { color: var(--muted); min-width: 6rem; flex-shrink: 0; }
.thr-list { flex: 1; min-width: 8rem; }
.thr-score { margin-left: auto; font-weight: 600; white-space: nowrap; }

/* ---------- toast notification ---------- */
#toast {
  position: fixed; bottom: 1.5rem; right: 1.5rem; z-index: 9999;
  background: var(--good); color: #fff;
  padding: 0.7rem 1.2rem; border-radius: 12px;
  font-weight: 600; font-size: 0.95rem;
  box-shadow: 0 4px 18px rgba(0,0,0,0.18);
  transition: opacity 0.35s, transform 0.35s;
  opacity: 1; transform: translateY(0);
}
#toast.toast-error { background: var(--bad); }
#toast.toast-out { opacity: 0; transform: translateY(0.5rem); }
.planner-pending { border: 2px dashed var(--accent) !important; background: color-mix(in srgb, var(--accent) 10%, var(--card)) !important; color: var(--accent) !important; opacity: 0.85; cursor: default; }