/* ===== Studio expansion: icons, bell, popular, folders, guidelines boxes,
   listening, PD draws, feedback, invitations, curriculum editor ===== */

.nav-icon svg { width: 17px; height: 17px; display: block; }
.bell-button { position: relative; }
.bell-button svg { width: 18px; height: 18px; display: block; margin: 0 auto; }
.notification-badge {
  position: absolute; top: -5px; right: -5px; min-width: 18px; height: 18px;
  padding: 0 4px; border-radius: 999px; background: #e63946; color: #fff;
  font-size: 11px; font-weight: 700; line-height: 18px; text-align: center;
  box-shadow: 0 0 0 2px var(--paper); animation: badge-pop .35s ease;
}
@keyframes badge-pop { 0% { transform: scale(0); } 70% { transform: scale(1.25); } 100% { transform: scale(1); } }

.sidebar-feedback {
  display: flex; align-items: center; gap: 10px; margin: 10px 14px 0; padding: 11px 12px;
  border: 1px dashed var(--line); border-radius: 14px; background: transparent;
  color: inherit; cursor: pointer; text-align: left; transition: border-color .2s, background .2s;
}
.sidebar-feedback:hover { border-color: var(--green); background: var(--green-soft); }
.sidebar-feedback .feedback-bulb { display: grid; place-items: center; width: 30px; height: 30px; border-radius: 10px; background: var(--yellow); color: var(--ink); flex: none; }
.sidebar-feedback .feedback-bulb svg { width: 16px; height: 16px; }
.sidebar-feedback strong { display: block; font-size: 13px; }
.sidebar-feedback small { font-size: 11.5px; color: var(--muted); }

.popular-window-switch { display: inline-flex; gap: 4px; padding: 3px; border: 1px solid var(--line); border-radius: 999px; background: var(--canvas); }
.popular-window-switch button { border: 0; background: transparent; padding: 4px 12px; border-radius: 999px; font-size: 12px; font-weight: 600; color: var(--muted); cursor: pointer; }
.popular-window-switch button.active { background: var(--navy); color: #fff; }
.popular-list { display: flex; flex-direction: column; gap: 8px; margin-top: 12px; }
.popular-empty { color: var(--muted); font-size: 13px; }
.popular-row { display: flex; align-items: center; gap: 12px; padding: 9px 10px; border: 1px solid var(--line-soft); border-radius: 12px; background: var(--paper); }
.popular-row-main { flex: 1; min-width: 0; }
.popular-row-main strong { display: block; font-size: 13.5px; white-space: nowrap; overflow: hidden; text-overflow: ellipsis; }
.popular-row-main span { font-size: 12px; color: var(--muted); }
.popular-row-side { text-align: right; }
.popular-row-side small { display: block; color: var(--muted); font-size: 11px; }
.popular-row-actions { display: flex; flex-direction: column; gap: 2px; align-items: flex-end; }
.featured-star { color: var(--yellow); font-style: normal; }

.folder-bar { display: flex; flex-wrap: wrap; gap: 8px; align-items: center; margin: 14px 0 10px; }
.folder-chip-wrap { position: relative; display: inline-flex; align-items: center; }
.folder-chip {
  display: inline-flex; align-items: center; gap: 6px; padding: 7px 14px; border-radius: 999px;
  border: 1px solid var(--line); background: var(--paper); color: var(--ink); font-size: 12.5px; font-weight: 600; cursor: pointer;
}
.folder-chip.active { background: var(--navy); border-color: var(--navy); color: #fff; }
.folder-chip.folder-new { border-style: dashed; color: var(--muted); }
.folder-delete {
  margin-left: -8px; width: 18px; height: 18px; border: 0; border-radius: 50%; background: var(--line);
  color: var(--ink-soft); font-size: 12px; line-height: 1; cursor: pointer; transform: translate(-4px, -10px);
}
.folder-delete:hover { background: #e63946; color: #fff; }
.folder-move-select { max-width: 130px; padding: 6px 8px; border: 1px solid var(--line); border-radius: 9px; background: var(--paper); color: inherit; font-size: 12px; }

.guideline-breadcrumb { display: flex; flex-wrap: wrap; align-items: center; gap: 7px; margin-bottom: 14px; font-size: 13px; }
.guideline-breadcrumb button { border: 0; background: transparent; color: var(--green-dark); font-weight: 600; cursor: pointer; padding: 2px 4px; }
.guideline-breadcrumb button:hover { text-decoration: underline; }
.guideline-breadcrumb .crumb-sep { color: var(--muted); }
.guideline-category-grid { display: grid; grid-template-columns: repeat(auto-fill, minmax(210px, 1fr)); gap: 14px; margin-bottom: 18px; }
.guideline-box {
  position: relative; display: flex; flex-direction: column; border: 1px solid var(--line); border-radius: var(--radius, 16px);
  overflow: hidden; background: var(--paper); cursor: pointer; text-align: left; padding: 0;
  transition: transform .18s ease, box-shadow .18s ease; box-shadow: var(--shadow-sm);
}
.guideline-box:hover { transform: translateY(-3px); box-shadow: var(--shadow-lg); }
.guideline-box-cover { height: 96px; background-size: cover; background-position: center; }
.guideline-box-gradient { display: grid; place-items: center; background: linear-gradient(135deg, var(--navy) 0%, var(--green) 100%); }
.guideline-box-gradient::after { content: attr(data-letter); font-size: 38px; font-weight: 800; color: rgba(255,255,255,.9); }
.guideline-box-body { padding: 12px 14px 14px; }
.guideline-box-body strong { display: block; font-size: 14.5px; }
.guideline-box-body span { display: block; font-size: 12px; color: var(--muted); margin-top: 3px; }
.guideline-box-body small { display: block; font-size: 11px; color: var(--green-dark); margin-top: 7px; font-weight: 600; }
.guideline-box-tools { position: absolute; top: 8px; right: 8px; display: flex; gap: 5px; }
.guideline-box-tools i {
  display: grid; place-items: center; width: 24px; height: 24px; border-radius: 8px;
  background: rgba(0,0,0,.45); color: #fff; font-style: normal; font-size: 13px;
}
.guideline-box-tools i:hover { background: rgba(0,0,0,.7); }
.guideline-manage-row { display: flex; gap: 10px; margin-bottom: 16px; }
.guideline-category-editor {
  display: flex; flex-direction: column; gap: 12px; padding: 18px; margin-bottom: 18px;
  border: 1px solid var(--line); border-radius: var(--radius, 16px); background: var(--paper); box-shadow: var(--shadow-sm);
}
.guideline-category-editor label { display: flex; flex-direction: column; gap: 5px; font-size: 13px; font-weight: 600; }
.guideline-category-editor input { padding: 9px 11px; border: 1px solid var(--line); border-radius: 10px; background: var(--canvas); color: inherit; }
.guideline-file-link { display: inline-flex; align-items: center; gap: 6px; }

.listening-kind-field { margin-top: 14px; padding: 13px 15px; border: 1px dashed var(--line); border-radius: 12px; background: var(--purple-soft); }
.listening-kind-field label { display: flex; flex-direction: column; gap: 6px; font-size: 13px; font-weight: 600; }
.listening-kind-field select { padding: 9px 11px; border: 1px solid var(--line); border-radius: 10px; background: var(--paper); color: inherit; }
.listening-kind-field p { margin: 8px 0 0; font-size: 12px; color: var(--muted); }
.listening-audio-bar {
  display: flex; flex-wrap: wrap; align-items: center; justify-content: space-between; gap: 12px;
  margin: 0 0 18px; padding: 14px 18px; border: 1px solid var(--line); border-radius: var(--radius, 16px);
  background: var(--purple-soft); box-shadow: var(--shadow-sm);
}
.listening-audio-info strong { display: block; font-size: 13.5px; }
.listening-audio-actions { display: flex; flex-wrap: wrap; gap: 8px; align-items: center; }
.listening-script { padding: 16px 18px; border: 1px solid var(--line-soft); border-radius: 12px; background: var(--canvas); }
.listening-script p { margin: 0 0 8px; font-size: 14px; line-height: 1.55; }
.listening-tasks { margin-top: 16px; }
.listening-tasks h3 { font-size: 14px; margin: 0 0 8px; }
.listening-tasks ol { margin: 0; padding-left: 20px; }
.listening-tasks li { margin-bottom: 6px; font-size: 13.5px; }

.pd-admin-panel { margin-bottom: 18px; padding: 18px; border: 1px solid var(--line); border-radius: var(--radius, 16px); background: var(--paper); box-shadow: var(--shadow-sm); }
.pd-view-switch { display: inline-flex; gap: 4px; padding: 3px; border: 1px solid var(--line); border-radius: 999px; background: var(--canvas); }
.pd-view-switch button { border: 0; background: transparent; padding: 5px 14px; border-radius: 999px; font-size: 12.5px; font-weight: 600; color: var(--muted); cursor: pointer; }
.pd-view-switch button.active { background: var(--navy); color: #fff; }
.pd-summary-stats { display: grid; grid-template-columns: repeat(auto-fit, minmax(140px, 1fr)); gap: 10px; margin-top: 12px; }
.pd-summary-stats div { padding: 11px 13px; border: 1px solid var(--line-soft); border-radius: 12px; background: var(--canvas); }
.pd-summary-stats span { display: block; font-size: 11.5px; color: var(--muted); }
.pd-summary-stats strong { font-size: 21px; }
.pd-category-totals { display: flex; flex-wrap: wrap; gap: 8px; margin-top: 12px; }
.pd-category-totals span { padding: 6px 11px; border-radius: 999px; background: var(--green-soft); font-size: 12px; }
.pd-category-totals b { color: var(--green-dark); }
.pd-draw-form { display: flex; flex-direction: column; gap: 10px; margin-top: 10px; }
.pd-draw-form label { display: flex; flex-direction: column; gap: 5px; font-size: 12.5px; font-weight: 600; }
.pd-draw-form input { padding: 8px 10px; border: 1px solid var(--line); border-radius: 10px; background: var(--canvas); color: inherit; }
.pd-draw-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 10px; }
.pd-draw-note { font-size: 11.5px; color: var(--muted); margin: 0; }
.pd-draw-list { display: flex; flex-direction: column; gap: 8px; margin-top: 14px; }
.pd-draw-item { display: flex; align-items: center; justify-content: space-between; gap: 10px; padding: 10px 12px; border: 1px solid var(--line-soft); border-radius: 12px; }
.pd-draw-item.drawn { background: var(--green-soft); }
.pd-draw-item strong { display: block; font-size: 13px; }
.pd-draw-item span { display: block; font-size: 11.5px; color: var(--muted); }
.pd-draw-item small { display: block; font-size: 11.5px; color: var(--green-dark); margin-top: 3px; }
.pd-draw-item-actions { display: flex; flex-direction: column; gap: 4px; align-items: flex-end; flex: none; }
.pd-draw-banner { display: flex; flex-direction: column; gap: 10px; margin-bottom: 18px; }
.pd-banner-item {
  display: flex; align-items: center; gap: 14px; padding: 14px 18px;
  border-radius: var(--radius, 16px); border: 1px solid var(--line); background: var(--paper); box-shadow: var(--shadow-sm);
}
.pd-banner-item.drawn { background: linear-gradient(120deg, var(--green-soft), var(--paper)); border-color: var(--green); }
.pd-banner-item.scheduled { background: linear-gradient(120deg, var(--peach-soft), var(--paper)); }
.pd-banner-icon { font-size: 26px; }
.pd-banner-item > div { flex: 1; }
.pd-banner-item strong { display: block; font-size: 14px; }
.pd-banner-item span { font-size: 12.5px; color: var(--muted); }

.winners-modal {
  position: fixed; inset: 0; z-index: 90; display: grid; place-items: center;
  background: rgba(10, 15, 30, .65); backdrop-filter: blur(3px);
}
.winners-card {
  position: relative; z-index: 2; width: min(440px, 92vw); padding: 30px 28px; text-align: center;
  background: var(--paper); border-radius: 22px; box-shadow: var(--shadow-lg);
  animation: winners-in .5s cubic-bezier(.2, .9, .3, 1.2);
}
@keyframes winners-in { from { transform: translateY(26px) scale(.92); opacity: 0; } to { transform: none; opacity: 1; } }
.winners-card h2 { margin: 8px 0 18px; font-size: 23px; }
.winners-list { display: flex; flex-direction: column; gap: 9px; margin-bottom: 16px; }
.winner-row {
  display: flex; align-items: center; gap: 11px; padding: 11px 15px; border-radius: 13px;
  background: var(--green-soft); opacity: 0; animation: winner-reveal .6s ease forwards;
}
@keyframes winner-reveal { from { opacity: 0; transform: translateX(-18px); } to { opacity: 1; transform: none; } }
.winner-row strong { flex: 1; text-align: left; font-size: 15px; }
.winner-row span { font-size: 12px; color: var(--muted); }
.winner-medal { font-size: 21px; }
.winners-note { font-size: 12.5px; color: var(--muted); margin-bottom: 18px; }
.confetti-layer { position: absolute; inset: 0; overflow: hidden; pointer-events: none; }
.confetti-layer i { position: absolute; top: -22px; display: block; border-radius: 2px; animation: confetti-fall linear forwards; }
@keyframes confetti-fall {
  0% { transform: translateY(-20px) rotate(0deg); opacity: 1; }
  85% { opacity: 1; }
  100% { transform: translateY(105vh) rotate(660deg); opacity: 0; }
}

.feedback-modal-card { max-width: 480px; }
.feedback-modal-card label { display: flex; flex-direction: column; gap: 6px; font-size: 13px; font-weight: 600; margin-bottom: 12px; }
.feedback-modal-card select, .feedback-modal-card textarea { padding: 10px 12px; border: 1px solid var(--line); border-radius: 11px; background: var(--canvas); color: inherit; font: inherit; }
.feedback-admin-list { display: flex; flex-direction: column; gap: 10px; }
.feedback-admin-item { display: flex; align-items: flex-start; justify-content: space-between; gap: 12px; padding: 12px 14px; border: 1px solid var(--line-soft); border-radius: 12px; }
.feedback-admin-item.done { opacity: .65; }
.feedback-admin-item.dismissed { opacity: .45; }
.feedback-admin-item p { margin: 7px 0 5px; font-size: 13.5px; }
.feedback-admin-item small { color: var(--muted); font-size: 11.5px; }
.feedback-admin-item select { padding: 6px 9px; border: 1px solid var(--line); border-radius: 9px; background: var(--paper); color: inherit; font-size: 12px; flex: none; }
.feedback-chip { display: inline-block; padding: 3px 10px; border-radius: 999px; background: var(--purple-soft); color: var(--purple); font-size: 11px; font-weight: 700; }

.invitation-list { display: flex; flex-direction: column; gap: 10px; }
.invitation-item { display: flex; align-items: center; justify-content: space-between; gap: 12px; padding: 12px 14px; border: 1px solid var(--line-soft); border-radius: 12px; }
.invitation-item.pending { border-color: var(--peach); background: var(--peach-soft); }
.invitation-item strong { display: block; font-size: 13.5px; }
.invitation-item span { display: block; font-size: 12px; color: var(--muted); }
.invitation-item small { display: block; font-size: 11px; color: var(--muted); margin-top: 3px; }
.invitation-actions { display: flex; gap: 7px; flex: none; }
.invitation-status-pill { padding: 4px 11px; border-radius: 999px; font-size: 11px; font-weight: 700; text-transform: capitalize; background: var(--line-soft); }
.invitation-status-pill.approved { background: var(--green-soft); color: var(--green-dark); }
.invitation-status-pill.rejected { background: #fdecec; color: #c0392b; }
.invitation-note { font-size: 12.5px; color: var(--muted); }

.curriculum-admin-note { font-size: 12.5px; color: var(--muted); }
.curriculum-program { border: 1px solid var(--line); border-radius: 13px; padding: 4px 12px 12px; margin-bottom: 12px; background: var(--canvas); }
.curriculum-program > summary, .curriculum-level > summary { display: flex; align-items: center; gap: 9px; padding: 9px 2px; cursor: pointer; list-style: none; }
.curriculum-program > summary::before, .curriculum-level > summary::before { content: "\25B8"; color: var(--muted); transition: transform .15s; }
.curriculum-program[open] > summary::before, .curriculum-level[open] > summary::before { transform: rotate(90deg); }
.curriculum-program input, .curriculum-level input, .curriculum-unit input { padding: 7px 10px; border: 1px solid var(--line); border-radius: 9px; background: var(--paper); color: inherit; font-size: 12.5px; }
.curriculum-program > summary input { flex: 1; font-weight: 700; }
.curriculum-levels { padding: 4px 0 0 16px; }
.curriculum-level { border: 1px solid var(--line-soft); border-radius: 11px; padding: 2px 10px 10px; margin-bottom: 9px; background: var(--paper); }
.curriculum-level > summary input { flex: 1; min-width: 110px; }
.curriculum-level .curriculum-cefr { flex: none; width: 80px; }
.curriculum-level .curriculum-textbook { flex: none; width: 150px; }
.curriculum-units { display: flex; flex-direction: column; gap: 7px; padding: 6px 0 0 14px; }
.curriculum-unit { display: grid; grid-template-columns: 95px 1fr 1fr 1fr 1fr 24px; gap: 6px; align-items: center; }
.curriculum-unit button { justify-self: center; }

@media (max-width: 860px) {
  .curriculum-unit { grid-template-columns: 1fr 1fr; }
  .popular-row { flex-wrap: wrap; }
  .listening-audio-bar { flex-direction: column; align-items: stretch; }
  .guideline-category-grid { grid-template-columns: repeat(auto-fill, minmax(150px, 1fr)); }
}

/* ===== Exam system ===== */

.student-exams-link {
  display: flex; align-items: center; gap: 11px; margin-top: 18px; padding: 13px 16px; width: 100%;
  border: 1px dashed var(--line); border-radius: 14px; background: var(--paper); color: inherit;
  cursor: pointer; text-align: left; transition: border-color .2s, transform .2s;
}
.student-exams-link:hover { border-color: var(--green); transform: translateY(-1px); }
.student-exams-link svg { flex: none; color: var(--green-dark); }
.student-exams-link strong { display: block; font-size: 13.5px; }
.student-exams-link small { font-size: 11.5px; color: var(--muted); }

.exam-list { display: flex; flex-direction: column; gap: 12px; margin-bottom: 18px; }
.exam-card {
  display: flex; align-items: center; justify-content: space-between; gap: 14px; padding: 16px 18px;
  border: 1px solid var(--line); border-radius: var(--radius, 16px); background: var(--paper); box-shadow: var(--shadow-sm);
}
.exam-card h3 { margin: 6px 0 4px; font-size: 16px; }
.exam-card-main > span { font-size: 12.5px; color: var(--muted); }
.exam-card-top { display: flex; gap: 8px; align-items: center; }
.exam-card-actions { display: flex; gap: 8px; flex: none; flex-wrap: wrap; justify-content: flex-end; }
.exam-status-pill { padding: 4px 12px; border-radius: 999px; font-size: 11px; font-weight: 700; text-transform: uppercase; letter-spacing: .4px; background: var(--line-soft); }
.exam-status-pill.open { background: var(--green-soft); color: var(--green-dark); }
.exam-status-pill.discoverable { background: var(--peach-soft); color: #9a5b00; }
.exam-status-pill.closed { background: var(--line-soft); color: var(--muted); }
.exam-key-chip { padding: 4px 12px; border-radius: 999px; background: var(--purple-soft); font-size: 11.5px; }
.exam-key-chip b { letter-spacing: 1.5px; }

.exam-builder-meta { display: grid; grid-template-columns: 1fr 160px; gap: 12px; margin: 14px 0; }
.exam-builder-meta .eb-description { grid-column: 1 / -1; }
.exam-builder-meta label { display: flex; flex-direction: column; gap: 5px; font-size: 12.5px; font-weight: 600; }
.exam-builder-meta input { padding: 9px 11px; border: 1px solid var(--line); border-radius: 10px; background: var(--canvas); color: inherit; }
.exam-exercise-list { display: flex; flex-direction: column; gap: 14px; }
.eb-exercise { border: 1px solid var(--line); border-radius: 14px; padding: 14px 16px; background: var(--canvas); }
.eb-exercise-head { display: flex; align-items: center; justify-content: space-between; gap: 10px; flex-wrap: wrap; margin-bottom: 9px; }
.eb-exercise-type { font-weight: 700; font-size: 13.5px; }
.eb-exercise-tools { display: flex; align-items: center; gap: 9px; flex-wrap: wrap; }
.eb-points, .eb-layout { display: inline-flex; align-items: center; gap: 5px; font-size: 11.5px; color: var(--muted); }
.eb-points input { width: 60px; }
.eb-exercise input, .eb-exercise select, .eb-exercise textarea { padding: 7px 10px; border: 1px solid var(--line); border-radius: 9px; background: var(--paper); color: inherit; font: inherit; font-size: 13px; }
.eb-prompt { display: flex; flex-direction: column; gap: 4px; font-size: 12px; font-weight: 600; margin-bottom: 8px; }
.eb-options, .eb-pairs { display: flex; flex-direction: column; gap: 7px; }
.eb-option-row { display: flex; align-items: center; gap: 8px; }
.eb-option-row input[type="text"] { flex: 1; }
.eb-pair-row { display: flex; align-items: center; gap: 8px; flex-wrap: wrap; }
.eb-pair-side { display: flex; align-items: center; gap: 6px; flex: 1; min-width: 180px; }
.eb-pair-side input[type="text"] { flex: 1; }
.eb-pair-arrow { color: var(--muted); }
.eb-blanks { display: flex; flex-direction: column; gap: 4px; font-size: 12px; font-weight: 600; }
.eb-pool { display: flex; align-items: center; gap: 7px; font-size: 12.5px; margin-top: 7px; }
.eb-lines { display: inline-flex; align-items: center; gap: 7px; font-size: 12.5px; }
.eb-lines input { width: 70px; }
.eb-exercise small { display: block; margin-top: 6px; color: var(--muted); font-size: 11.5px; }
.exam-image-control { display: inline-flex; align-items: center; gap: 7px; }
.exam-image-control img { height: 34px; border-radius: 6px; border: 1px solid var(--line); }
.exam-add-row { display: flex; align-items: center; gap: 8px; flex-wrap: wrap; margin: 16px 0; font-size: 12.5px; color: var(--muted); }

.exam-manage { display: flex; flex-direction: column; gap: 16px; margin-top: 16px; }
.exam-key-banner {
  display: flex; align-items: center; gap: 16px; flex-wrap: wrap; margin: 12px 0; padding: 14px 18px;
  border-radius: 14px; background: linear-gradient(120deg, var(--purple-soft), var(--paper)); border: 1px solid var(--line);
}
.exam-key-banner span { display: block; font-size: 11px; color: var(--muted); text-transform: uppercase; letter-spacing: .5px; }
.exam-key-banner strong { font-size: 28px; letter-spacing: 5px; font-family: "Courier New", monospace; }
.exam-key-banner p { flex: 1; min-width: 220px; margin: 0; font-size: 12.5px; color: var(--muted); }
.exam-status-switch { display: flex; align-items: center; gap: 8px; flex-wrap: wrap; margin: 10px 0 14px; }
.exam-status-switch small { flex-basis: 100%; color: var(--muted); }
.exam-status-button { padding: 8px 18px; border-radius: 999px; border: 1px solid var(--line); background: var(--paper); font-weight: 700; font-size: 12.5px; cursor: pointer; color: inherit; }
.exam-status-button.active.open { background: var(--green); border-color: var(--green); color: #fff; }
.exam-status-button.active.discoverable { background: var(--peach); border-color: var(--peach); color: #4a2c00; }
.exam-status-button.active.closed { background: var(--ink); border-color: var(--ink); color: var(--paper); }
.exam-share-box { margin: 12px 0; padding: 13px 15px; border: 1px solid var(--line-soft); border-radius: 12px; }
.exam-share-list { display: flex; flex-wrap: wrap; gap: 9px; margin: 10px 0; }
.exam-share-user { display: inline-flex; align-items: center; gap: 6px; padding: 6px 12px; border: 1px solid var(--line); border-radius: 999px; font-size: 12.5px; cursor: pointer; }
.exam-share-user small { color: var(--muted); }
.exam-preview-details summary { cursor: pointer; font-weight: 600; font-size: 13px; padding: 8px 0; }
.exam-preview-exercise { padding: 11px 13px; border: 1px solid var(--line-soft); border-radius: 11px; margin-bottom: 9px; background: var(--canvas); }
.exam-preview-options { margin: 8px 0 0; padding-left: 20px; }
.exam-preview-options.grid { display: grid; grid-template-columns: 1fr 1fr; gap: 4px; }
.exam-preview-options li.correct { color: var(--green-dark); font-weight: 700; }
.blank-answer { background: var(--green-soft); padding: 1px 6px; border-radius: 5px; }
.exam-mini-image { height: 26px; border-radius: 4px; vertical-align: middle; margin-right: 5px; }
.exam-exercise-image { max-width: 320px; max-height: 200px; border-radius: 10px; border: 1px solid var(--line); margin: 8px 0; display: block; }
.exam-attempt-status { padding: 3px 10px; border-radius: 999px; font-size: 11px; font-weight: 700; background: var(--line-soft); }
.exam-attempt-status.in_progress { background: var(--peach-soft); color: #9a5b00; }
.exam-attempt-status.submitted { background: var(--green-soft); color: var(--green-dark); }
.exam-grading-card { margin-top: 14px; padding: 16px; border: 1px solid var(--line); border-radius: 14px; background: var(--canvas); }
.exam-grading-exercise { padding: 10px 0; border-bottom: 1px solid var(--line-soft); }
.exam-grading-answer { margin: 7px 0; padding: 10px 13px; background: var(--paper); border-radius: 10px; font-size: 13.5px; line-height: 1.5; }
.match-ok { color: var(--green-dark); }
.match-bad { color: #c0392b; }
.exam-manual-score { display: inline-flex; align-items: center; gap: 8px; font-size: 12.5px; font-weight: 600; }
.exam-manual-score input { width: 80px; padding: 6px 9px; border: 1px solid var(--line); border-radius: 8px; }
.exam-grading-footer { display: flex; align-items: flex-end; gap: 14px; margin-top: 14px; flex-wrap: wrap; }
.exam-grading-footer label { display: flex; flex-direction: column; gap: 5px; font-size: 12.5px; font-weight: 600; }
.exam-grading-footer input { width: 200px; padding: 8px 10px; border: 1px solid var(--line); border-radius: 9px; }

.student-exam-overlay {
  position: fixed; inset: 0; z-index: 80; overflow-y: auto;
  background: var(--canvas, #f4f4f0); padding: 30px 16px 60px;
}
.student-exam-clock {
  position: fixed; top: 14px; right: 16px; z-index: 85; padding: 10px 18px; border-radius: 999px;
  background: var(--ink, #101820); color: #fff; font: 700 19px "Courier New", monospace; letter-spacing: 2px;
  box-shadow: var(--shadow-lg);
}
.student-exam-clock.urgent { background: #c0392b; animation: clock-pulse 1s infinite; }
@keyframes clock-pulse { 50% { transform: scale(1.06); } }
.student-exam-card {
  width: min(460px, 94vw); margin: 8vh auto 0; padding: 30px 28px; text-align: left;
  background: var(--paper); border-radius: 20px; box-shadow: var(--shadow-lg);
}
.student-exam-card h2 { margin: 6px 0 10px; }
.student-exam-card label { display: flex; flex-direction: column; gap: 6px; font-size: 13px; font-weight: 600; margin: 12px 0; }
.student-exam-card input { padding: 12px 14px; border: 1px solid var(--line); border-radius: 11px; font-size: 16px; background: var(--canvas); color: inherit; }
.student-exam-card .text-button { margin-top: 12px; }
.student-exam-message { padding: 11px 14px; border-radius: 11px; background: var(--peach-soft); font-size: 13px; margin-bottom: 6px; }
.student-exam-card.waiting, .student-exam-card.done { text-align: center; }
.student-exam-waiting-pulse { display: flex; justify-content: center; gap: 9px; margin: 22px 0; }
.student-exam-waiting-pulse i { width: 12px; height: 12px; border-radius: 50%; background: var(--green); animation: wait-bounce 1.2s infinite; }
.student-exam-waiting-pulse i:nth-child(2) { animation-delay: .2s; }
.student-exam-waiting-pulse i:nth-child(3) { animation-delay: .4s; }
@keyframes wait-bounce { 0%, 100% { transform: translateY(0); opacity: .5; } 50% { transform: translateY(-9px); opacity: 1; } }
.student-exam-done-icon { display: grid; place-items: center; width: 62px; height: 62px; margin: 0 auto 14px; border-radius: 50%; background: var(--green-soft); color: var(--green-dark); font-size: 30px; }
.student-exam-paper { width: min(800px, 96vw); margin: 0 auto; padding: 34px 36px; background: var(--paper); border-radius: 18px; box-shadow: var(--shadow-lg); }
.student-exam-paper header { border-bottom: 2px solid var(--ink); padding-bottom: 14px; margin-bottom: 20px; }
.student-exam-paper header h2 { margin: 4px 0 6px; }
.student-exam-paper header small { color: var(--muted); }
.student-exercise { padding: 16px 0; border-bottom: 1px solid var(--line-soft); }
.student-exercise-head { display: flex; justify-content: space-between; gap: 10px; align-items: baseline; margin-bottom: 9px; }
.student-exercise-head span { flex: none; font-size: 11.5px; color: var(--muted); }
.student-options { display: flex; flex-direction: column; gap: 7px; }
.student-options.grid { display: grid; grid-template-columns: 1fr 1fr; gap: 7px; }
.student-option { display: flex; align-items: flex-start; gap: 9px; padding: 9px 12px; border: 1px solid var(--line-soft); border-radius: 10px; cursor: pointer; font-size: 14px; }
.student-option:hover { border-color: var(--green); }
.student-matching-bank { display: flex; flex-wrap: wrap; gap: 9px; margin-bottom: 12px; }
.student-match-card { display: inline-flex; align-items: center; gap: 7px; padding: 8px 12px; border: 1px solid var(--line); border-radius: 10px; background: var(--canvas); font-size: 13.5px; }
.student-match-card b { color: var(--green-dark); }
.student-match-card img { height: 44px; border-radius: 6px; }
.student-match-row { display: flex; align-items: center; gap: 12px; margin-bottom: 8px; }
.student-match-left { flex: 1; display: flex; align-items: center; gap: 8px; font-size: 14px; }
.student-match-left img { height: 44px; border-radius: 6px; }
.student-match-row select { padding: 8px 11px; border: 1px solid var(--line); border-radius: 9px; font-size: 14px; background: var(--paper); color: inherit; }
.student-pool { display: flex; flex-wrap: wrap; gap: 8px; margin-bottom: 11px; }
.student-pool span { padding: 6px 13px; border-radius: 999px; background: var(--purple-soft); font-size: 13px; }
.student-blanks-text { font-size: 14.5px; line-height: 2.1; }
.student-blank { margin: 0 4px; padding: 5px 9px; border: 0; border-bottom: 2px solid var(--ink); border-radius: 4px 4px 0 0; background: var(--canvas); font-size: 14px; text-align: center; color: inherit; }
.student-writing { width: 100%; padding: 12px 14px; border: 1px solid var(--line); border-radius: 11px; font: inherit; font-size: 14px; background: var(--canvas); color: inherit; }
.student-exam-submit { padding-top: 22px; text-align: center; }

@media (max-width: 720px) {
  .exam-card { flex-direction: column; align-items: stretch; }
  .student-exam-paper { padding: 22px 18px; }
  .exam-builder-meta { grid-template-columns: 1fr; }
  .student-options.grid { grid-template-columns: 1fr; }
}

/* ===== Listening handout redesign + per-speaker voices ===== */

/* Paper-safe: explicit colors so dark mode never bleeds into the printable handout */
.listening-script {
  padding: 18px 22px; border: 1px solid #e3e1d8; border-radius: 12px;
  background: #fdfcf8; color: #1d2733;
}
.listening-script .dialogue-line { display: flex; align-items: flex-start; gap: 10px; margin: 0 0 9px; font-size: 14px; line-height: 1.55; }
.listening-script .dialogue-text { color: #1d2733; }
.listening-script .dialogue-narration { margin: 0 0 10px; font-size: 14px; line-height: 1.6; color: #1d2733; }
.dialogue-speaker {
  flex: none; min-width: 26px; padding: 2px 10px; border-radius: 999px;
  font-size: 11.5px; font-weight: 700; text-align: center; letter-spacing: .3px; margin-top: 1px;
}
.dialogue-speaker.speaker-0 { background: #e8f2ee; color: #14695a; }
.dialogue-speaker.speaker-1 { background: #eaeefb; color: #2f4a9e; }
.dialogue-speaker.speaker-2 { background: #fdeee4; color: #a04d12; }
.dialogue-speaker.speaker-3 { background: #f3e9f7; color: #6d3a8e; }
.listening-tasks {
  margin-top: 16px; padding: 14px 18px; border: 1px solid #e3e1d8; border-radius: 12px;
  background: #f6f5ef; color: #1d2733;
}
.listening-tasks h3 { font-size: 13.5px; margin: 0 0 8px; color: #1d2733; text-transform: uppercase; letter-spacing: .5px; }
.listening-tasks ol { margin: 0; padding-left: 20px; }
.listening-tasks li { margin-bottom: 7px; font-size: 13.5px; line-height: 1.5; color: #1d2733; }

.listening-voice-controls { display: flex; flex-wrap: wrap; align-items: center; gap: 10px; width: 100%; }
.listening-voice-hint { flex-basis: 100%; font-size: 12px; color: var(--muted); }
.listening-voice-pick { display: inline-flex; align-items: center; gap: 7px; font-size: 12.5px; font-weight: 700; }
.listening-voice-pick span { padding: 3px 10px; border-radius: 999px; background: var(--paper); border: 1px solid var(--line); font-size: 11.5px; }
.listening-voice-pick select { padding: 7px 10px; border: 1px solid var(--line); border-radius: 9px; background: var(--paper); color: inherit; font-size: 12.5px; }