/* =====================================================
   PHONLAB — Teacher UI (SKIN ONLY)
   NO LAYOUT / NO POSITIONING
===================================================== */

/* =========================
   SIDEBAR FILTERS (CEFR + CATS)
========================= */

.activity-sidebar .left-panel-inner{
  display: flex;
  flex-direction: column;
  gap: 0.75rem; /* spacing between FILTERS title, cefr row, category list */
}

/* --- CEFR row: badge styling --- */
.activity-sidebar .sidebar-cefr{
  display: flex;
  flex-wrap: wrap;
  gap: 0.4rem;
}

.activity-sidebar .sidebar-filter[data-cefr].cefr-badge.cefr-A1 { background-color: rgba(56,189,248,0.55)  !important; border-color: rgba(56,189,248,0.80)  !important; color:#fff !important; }
.activity-sidebar .sidebar-filter[data-cefr].cefr-badge.cefr-A2 { background-color: rgba(14,165,233,0.55)  !important; border-color: rgba(14,165,233,0.80)  !important; color:#fff !important; }
.activity-sidebar .sidebar-filter[data-cefr].cefr-badge.cefr-B1 { background-color: rgba(16,185,129,0.55)  !important; border-color: rgba(16,185,129,0.80)  !important; color:#fff !important; }
.activity-sidebar .sidebar-filter[data-cefr].cefr-badge.cefr-B2 { background-color: rgba(5,150,105,0.55)   !important; border-color: rgba(5,150,105,0.80)   !important; color:#fff !important; }
.activity-sidebar .sidebar-filter[data-cefr].cefr-badge.cefr-C1 { background-color: rgba(168,85,247,0.55)  !important; border-color: rgba(168,85,247,0.80)  !important; color:#fff !important; }

.activity-sidebar .sidebar-filter{
  /* badge-like */
  display: inline-flex;
  align-items: center;
  justify-content: center;

  padding: 0.28rem 0.55rem;
  border-radius: 999px;

  font-size: 0.8rem;
  line-height: 1;
  white-space: nowrap;

  background: var(--card-bg);
  border: 1px solid rgba(255,255,255,0.18);
  color: #fff;

  box-sizing: border-box;
}

.activity-sidebar .sidebar-filter:hover{
  background: var(--card-bg);
}

.activity-sidebar .sidebar-filter.active{
  background: rgba(100, 180, 255, 0.18);
  border-color: rgba(100, 180, 255, 0.45);
  box-shadow: inset 0 0 0 1px rgba(100, 180, 255, 0.25);
}

/* --- Category buttons: fixed width + centered --- */
.activity-sidebar .sidebar-cats ul{
  display: flex;
  flex-direction: column;
  gap: 0.45rem;
  align-items: center;
  margin: 0;
  padding: 0;
  list-style: none;
}

/* Fixed width to match "Pronunciation" (longest word) */
.activity-sidebar .sidebar-cats .panel-link{
  width: 13.5ch;            /* tweak: 13–15ch depending on font */
  justify-content: center;
  text-align: center;
  white-space: nowrap;

  padding: 0.5rem 0.75rem;
  border-radius: 10px;

  border: 1px solid var(--card-border);
  background: var(--card-bg);
  color: #fff;
  box-sizing: border-box;
}

.activity-sidebar .sidebar-cats .panel-link:hover{
  background: var(--card-bg);
}

.activity-sidebar .sidebar-cats .panel-link.active{
  background: rgba(100, 180, 255, 0.15);
  border-color: rgba(100, 180, 255, 0.4);
  box-shadow: inset 0 0 0 1px rgba(100, 180, 255, 0.25);
  font-weight: 600;
}

/* ==============================================
   PHONLAB UNIFIED CARD SYSTEM
   Used by: activity cards, deck cards, (future: grammar, writing, etc.)
============================================== */

.phonlab-card {
  display: flex;
  flex-direction: column;
  min-height: 240px;
  border-radius: 18px;
  overflow: hidden;
  cursor: pointer;
  position: relative;
  padding: 0 !important;
  transition: transform 0.18s ease, box-shadow 0.18s ease;

  /* Emboss — subtle inner highlight top + shadow bottom */
  box-shadow:
    0 1px 0 rgba(255,255,255,0.08) inset,
    0 6px 24px rgba(0,0,0,0.35),
    0 1px 3px rgba(0,0,0,0.25);
  border: 1px solid var(--card-border);
}

.phonlab-card:hover {
  transform: translateY(-3px);
  box-shadow:
    0 1px 0 rgba(255,255,255,0.10) inset,
    0 16px 44px rgba(0,0,0,0.45),
    0 2px 6px rgba(0,0,0,0.30);
}

/* Image placeholder */
.phonlab-card__image {
  width: 100%;
  aspect-ratio: 16 / 7;  /* taller than 16/5 was too large at 4-col layout */
  background: var(--card-bg);
  border-bottom: 1px solid var(--card-border);
  display: flex;
  align-items: center;
  justify-content: center;
  flex-shrink: 0;
  overflow: hidden;
  position: relative;
  border-radius: 18px 18px 0 0;
}

.phonlab-card__image img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  display: block;
  position: absolute;
  inset: 0;
}

.phonlab-card__image-placeholder {
  font-size: 11px;
  color: var(--text-muted);
  letter-spacing: 0.04em;
}

/* Body */
.phonlab-card__body {
  flex: 1;
  padding: 0.85rem 1rem 0.5rem;
  display: flex;
  flex-direction: column;
  gap: 4px;
}

/* CEFR badge — top-right corner of image */
.phonlab-card__level {
  position: absolute;
  top: 8px;
  right: 8px;
  z-index: 2;
}

.phonlab-card__level .cefr-badge {
  font-size: 9px;
  padding: 2px 7px;
  opacity: 1;
  box-shadow: 0 2px 6px rgba(0,0,0,0.35);
}

/* Title — full width, bright */
.phonlab-card__title {
  font-weight: 600;
  font-size: 0.95rem;
  line-height: 1.25;
  color: rgba(255, 255, 255, 0.95);
  word-break: break-word;
  overflow-wrap: anywhere;
}

/* Description — readable but secondary */
.phonlab-card__desc {
  font-size: 0.80rem;
  line-height: 1.4;
  color: var(--text-secondary);
  word-break: break-word;
  overflow-wrap: anywhere;
  flex: 1;
  margin-top: 4px;
}

/* Footer */
.phonlab-card__footer {
  display: flex;
  align-items: center;
  gap: 0.3rem;
  flex-wrap: nowrap;
  padding: 0.5rem 1rem 0.85rem;
}

/* Secondary action buttons */
.phonlab-card__footer .btn-secondary-action {
  padding: 0.22rem 0.5rem;
  font-size: 0.70rem;
  line-height: 1.1;
  white-space: nowrap;
  border-color: var(--text-muted);
  border-radius: 8px;
}

/* Primary action — always blue, pushed right */
.phonlab-card__footer .btn-primary-action {
  margin-left: auto;
  background: rgba(13, 110, 253, 0.85) !important;
  border-color: rgba(13, 110, 253, 0.90) !important;
  color: #fff !important;
  font-size: 0.72rem !important;
  padding: 0.24rem 0.65rem !important;
  border-radius: 8px !important;
  white-space: nowrap;
}

.phonlab-card__footer .btn-primary-action:hover {
  background: rgba(13, 110, 253, 1) !important;
}

/* Dump/delete button */
.phonlab-card__footer .btn-danger-action {
  padding: 0.22rem 0.5rem;
  font-size: 0.70rem;
  line-height: 1.1;
  white-space: nowrap;
  background: rgba(239, 68, 68, 0.18) !important;
  border: 1px solid rgba(239, 68, 68, 0.35) !important;
  color: #fff !important;
  border-radius: 8px !important;
  backdrop-filter: blur(6px);
}

.phonlab-card__footer .btn-danger-action:hover {
  background: rgba(239, 68, 68, 0.32) !important;
  border-color: rgba(239, 68, 68, 0.55) !important;
}

/* Legacy compat */
.activity-card .badge { display: none !important; }

/* =========================
   DELETE BUTTON — Glass Red
========================= */

.btn-delete-activity {
  background: rgba(239, 68, 68, 0.18);      /* soft red */
  border: 1px solid rgba(239, 68, 68, 0.35);
  color: #fff;

  font-size: 0.75rem;
  border-radius: 8px;

  backdrop-filter: blur(6px);
  -webkit-backdrop-filter: blur(6px);

  transition: all 0.15s ease;
}

.btn-delete-activity:hover {
  background: rgba(239, 68, 68, 0.32);
  border-color: rgba(239, 68, 68, 0.55);
  transform: translateY(-1px);
}

.btn-delete-activity:active {
  transform: translateY(0);
}

.btn-delete-activity:disabled {
  opacity: 0.5;
}

/* =========================
   NAV BUTTONS
========================= */

.nav-btn {
  background: var(--card-bg);
  border: 1px solid rgba(255,255,255,0.2);
  color: #fff;
  padding: 0.35rem 0.6rem;
  border-radius: 6px;
  font-size: 0.9rem;
}

.nav-btn:hover {
  background: var(--card-bg);
}

.nav-btn.active {
  background: rgba(255,255,255,0.2);
}

/* =========================
   DIAGNOSTICS / REPORTS
========================= */

.diagnostic-tile {
  background: var(--card-bg);
  border-radius: 12px;
  padding: 14px;
}

.teacher-results-table th {
  font-weight: 600;
}


/* ---------------------------------
   SIDEBAR FILTER — NO LAYOUT SHIFT
---------------------------------- */

.sidebar-filter {
  box-sizing: border-box;
  border: 1px solid var(--card-border); /* FIXED border */
}

/* Active state uses inset shadow instead of size change */
.sidebar-filter.active {
  background: rgba(100, 180, 255, 0.15);
  border-color: rgba(100, 180, 255, 0.4);
  box-shadow: inset 0 0 0 1px rgba(100, 180, 255, 0.25);
}

/* Only style non-CEFR filters */
.sidebar-filter:not(.cefr-badge) {
  border: 1px solid var(--card-border);
  background: transparent;
}

/* -------------------------
   LEFT SIDEBAR
------------------------- */

.activity-sidebar {
  width: var(--sidebar-width);
  flex-shrink: 0;

  height: 100%;
  overflow-y: auto;

  background: rgba(20, 30, 45, 0.85);
  border-right: 1px solid var(--card-border);
}

/* =====================================================
   SIDEBAR — CATEGORY BUTTONS (FINAL, LOCKED)
===================================================== */

/* Remove list decoration completely */
.activity-sidebar ul,
.activity-sidebar li {
  list-style: none;
  margin: 0;
  padding: 0;
}

/* Stack buttons and center them in the pane */
.activity-sidebar .panel-nav {
  display: flex;
  flex-direction: column;
  align-items: center; /* 🔑 center buttons horizontally */
  gap: 0.35rem;
}

/* Sidebar buttons */
.activity-sidebar .panel-link {
  display: flex;
  align-items: center;
  justify-content: center;

  width: max-content;        /* 🔑 size to longest word */
  min-width: fit-content;

  padding: 0.45rem 0.75rem;  /* keep your existing padding */
  text-align: center;

  box-sizing: border-box;
  white-space: nowrap;

  border-radius: 10px;
}

/* Lock border size to prevent layout shift */
.activity-sidebar .panel-link {
  border: 1px solid var(--card-border);
}

/* Active state — visual only, no size change */
.activity-sidebar .panel-link.active {
  background: rgba(100, 180, 255, 0.15);
  border-color: rgba(100, 180, 255, 0.4);
  box-shadow: inset 0 0 0 1px rgba(100, 180, 255, 0.25);
  font-weight: 600;
}

/* =========================
   ACTIVITY GRID (single canonical definition)
========================= */

#activityGrid {
  display: grid !important;
  grid-template-columns: repeat(4, minmax(0, 1fr)) !important;
  gap: 1.25rem !important;
  align-items: stretch;
  margin-top: 0;
  /* kill Bootstrap .row negative margins */
  margin-left: 0 !important;
  margin-right: 0 !important;
}

/* kill Bootstrap .col padding/margin */
#activityGrid > .col {
  all: unset;
  display: block;
  padding: 0 !important;
  margin: 0 !important;
}

/* =========================
   CARD HEIGHT + SPACING
   Both card types use phonlab-card base — these are grid sizing only
========================= */

.activity-card,
.pres-deck-card {
  min-height: 240px;
}

/* Footer button sizing — shared */
.activity-card__footer,
.pres-deck-card__footer {
  display: flex;
  align-items: center;
  gap: 0.35rem;
  flex-wrap: nowrap;
}

/* Ensure title wraps properly */
.activity-title,
.deck-card-title {
  font-weight: 600;
  font-size: 0.95rem;
  line-height: 1.2;
  word-break: break-word;
}

/* Description */
.activity-desc,
.deck-card-desc {
  font-size: 0.80rem;
  line-height: 1.4;
  color: var(--text-secondary);
  word-break: break-word;
}

/* =========================================================
   Create Builder — Spacing (Natural page flow)
========================================================= */

.teacher-layout #createActivityView {
  padding-bottom: 10px !important;
}

/* Tighten gutters a bit */
.teacher-layout #createActivityView [data-builder-layout] {
  --bs-gutter-x: 12px;
  --bs-gutter-y: 12px;
}

/* Small vertical rhythm tweaks */
.teacher-layout #createActivityView .glass-card {
  border-radius: 18px;
}

/* Optional: slightly denser module buttons */
.teacher-layout #createActivityView [data-module-palette] .btn {
  margin-bottom: 8px;
}

/* Optional: preview scale */
.teacher-layout #createActivityView .previewPhone--sm {
  transform: scale(0.9);
  transform-origin: top center;
}

/* Module palette grid (2 columns) */
.teacher-layout #createActivityView [data-module-palette]{
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 12px;
}

/* Compact tile buttons (no squares) */
.teacher-layout #createActivityView [data-module-palette] .module-tile{
  width: 100%;
  height: 50px;                 /* ~1/3 of your previous squares */
  display: flex;
  flex-direction: column;
  justify-content: center;
  align-items: center;
  text-align: center;

  padding: 10px 12px;
  border-radius: 14px;
  border: 1px solid var(--card-border);
  background: var(--card-bg);

  color: rgba(255,255,255,0.92); /* ✅ white text */
}

/* Title */
.teacher-layout #createActivityView [data-module-palette] .module-tile__title{
  font-weight: 600;
  line-height: 1.15;
  color: rgba(255,255,255,0.92); /* ✅ ensure white */
}

/* Plus line */
.teacher-layout #createActivityView [data-module-palette] .module-tile__hint{
  margin-top: 6px;
  font-size: 0.95rem;
  opacity: 0.7;
  color: rgba(255,255,255,0.85); /* ✅ ensure white */
}

.teacher-layout #createActivityView [data-module-palette] .module-tile:hover{
  background: var(--card-bg);
  border-color: var(--text-muted);
}

.teacher-layout #createActivityView [data-module-palette] .module-tile:focus{
  outline: none;
  box-shadow: 0 0 0 2px rgba(255,255,255,0.08);
}

/* responsive breakpoints — these apply to both grids */
@media (max-width: 1200px) {
  #activityGrid, #deckGrid.pres-deck-grid { grid-template-columns: repeat(3, minmax(0, 1fr)) !important; }
}
@media (max-width: 992px) {
  #activityGrid, #deckGrid.pres-deck-grid { grid-template-columns: repeat(2, minmax(0, 1fr)) !important; }
}
@media (max-width: 576px) {
  #activityGrid, #deckGrid.pres-deck-grid { grid-template-columns: 1fr !important; }
}

/* ---------------------------------------------------------
   Build Panel — Perfect Header / Body Column Alignment
---------------------------------------------------------- */

.teacher-layout #createActivityView [data-panel="build"] .row {
  --bs-gutter-x: 0;
}

.teacher-layout #createActivityView [data-panel="build"] .row > .col-md-5 {
  padding-right: 12px;
}

.teacher-layout #createActivityView [data-panel="build"] .row > .col-md-7 {
  padding-left: 12px;
}
/* =========================================
   PHONLAB — Glass Dropdown (FINAL OVERRIDE)
   Place at END of teacher_ui.css
========================================= */

.teacher-layout .dropdown-menu,
.teacher-layout .dropdown-menu[data-bs-popper],
.teacher-layout .dropdown-menu.show,
.teacher-layout .dropdown-menu-dark {
  background: rgba(20, 20, 28, 0.75) !important;
  backdrop-filter: blur(14px) !important;
  -webkit-backdrop-filter: blur(14px) !important;

  border: 1px solid var(--card-border) !important;
  border-radius: 14px !important;
  padding: 8px 6px !important;

  box-shadow:
    0 12px 40px rgba(0, 0, 0, 0.45),
    inset 0 1px 0 rgba(255, 255, 255, 0.06) !important;
}

.teacher-layout .dropdown-item {
  color: rgba(255, 255, 255, 0.85) !important;
  border-radius: 10px !important;
  padding: 8px 12px !important;
}

.teacher-layout .dropdown-item:hover,
.teacher-layout .dropdown-item:focus {
  background: var(--card-bg) !important;
  color: #fff !important;
}

.teacher-layout .dropdown-item.active,
.teacher-layout .dropdown-item:active {
  background: rgba(13, 110, 253, 0.25) !important;
  color: #fff !important;
}

.teacher-layout .dropdown-divider {
  border-top: 1px solid var(--card-border) !important;
}
/* =========================================================
   Create Activity Builder — ca-* scoped layout system
   Three columns: settings | preview | modules
   aside.sidebar-right holds the module inspector
========================================================= */

.ca-view {
  height: 100%;
  display: flex;
  flex-direction: column;
  min-height: 0;
}

.ca-layout {
  display: grid;
  grid-template-columns: 240px 1fr 200px;
  gap: 10px;
  flex: 1;
  min-height: 0;
  height: 100%;
  padding: 0 0 10px 0;
}

.ca-col {
  display: flex;
  flex-direction: column;
  min-height: 0;
  overflow: hidden;
}

.ca-panel {
  display: flex;
  flex-direction: column;
  flex: 1;
  min-height: 0;
  overflow-y: auto;
  overflow-x: hidden;
  padding: 10px 12px;
  gap: 8px;
}

.ca-panel-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  flex-shrink: 0;
  padding: 4px 0;
  border-bottom: 1px solid var(--card-border);
  margin-bottom: 4px;
}

.ca-panel-title {
  font-size: 9px;
  font-weight: 700;
  letter-spacing: 1.4px;
  text-transform: uppercase;
  color: var(--text-muted);
}

.ca-btn-group {
  display: flex;
  gap: 4px;
  align-items: center;
}

/* ca-btn maps to the existing .btn system */
.ca-btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  padding: 4px 10px;
  border-radius: 7px;
  font-size: 11px;
  font-weight: 500;
  cursor: pointer;
  border: 1px solid transparent;
  transition: background 0.12s, border-color 0.12s;
  white-space: nowrap;
  line-height: 1.4;
}
.ca-btn--ghost {
  background: var(--card-bg);
  border-color: var(--text-muted);
  color: var(--text-secondary);
}
.ca-btn--ghost:hover {
  background: var(--card-bg);
  color: rgba(255,255,255,0.90);
}
.ca-btn--primary {
  background: rgba(14,165,233,0.80);
  border-color: rgba(14,165,233,0.90);
  color: #fff;
}
.ca-btn--primary:hover {
  background: rgba(14,165,233,1);
}
.ca-btn--danger {
  background: rgba(239,68,68,0.15);
  border-color: rgba(239,68,68,0.35);
  color: rgba(252,165,165,0.90);
}
.ca-btn--danger:hover {
  background: rgba(239,68,68,0.28);
}
.ca-btn--xs {
  padding: 2px 7px;
  font-size: 10px;
  border-radius: 5px;
}

.ca-hidden {
  display: none !important;
}

.ca-divider {
  border: none;
  border-top: 1px solid var(--card-border);
  margin: 6px 0;
  flex-shrink: 0;
}

.ca-status {
  font-size: 10px;
  color: var(--text-muted);
  font-style: italic;
  flex-shrink: 0;
}

/* Card image uploader area */
.ca-image-upload {
  width: 100%;
  aspect-ratio: 16/5;
  background: var(--card-bg);
  border: 1px dashed rgba(255,255,255,0.14);
  border-radius: 10px;
  display: flex;
  align-items: center;
  justify-content: center;
  overflow: hidden;
  flex-shrink: 0;
  position: relative;
  cursor: pointer;
}
.ca-image-upload:hover {
  border-color: var(--text-muted);
  background: var(--card-bg);
}
.ca-image-upload__hint {
  font-size: 10px;
  color: var(--text-muted);
  text-align: center;
  pointer-events: none;
}

/* Phone preview wrap */
.ca-phone-wrap {
  flex: 1;
  display: flex;
  align-items: flex-start;
  justify-content: center;
  overflow: hidden;
  padding: 8px 0;
  min-height: 0;
}

/* =========================================================
   PHONLAB — Presentation View Styles
   assets/css/present.css
*/

/* ─────────────────────────────────────────────────────────
   Present view panels — CSS is single source of truth.
   NO inline styles on these elements in present.php.
   JS uses el.style.display to override when switching panels.
───────────────────────────────────────────────────────── */
.teacher-main {
  position: relative;
}

/* Dashboard panel — visible by default */
#presentDashboard {
  display: block;
}

/* Builder + Live — hidden and positioned, ready to expand */
#presentBuilder,
#presentLive {
  display: none;
  position: absolute;
  inset: 0;
  flex-direction: column;
  overflow: hidden;
  z-index: 2;
  background: var(--theme-bg, #080d18); /* prevent see-through flash */
}

/* ─── Deck grid — identical to #activityGrid ────────────── */
#deckGrid.pres-deck-grid {
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  gap: 1.25rem;
  align-items: stretch;
  margin-top: 0;
}
/* breakpoints consolidated in the shared @media block above */

/* ─── Deck cards — phonlab-card handles base styling ─────── */
/* pres-deck-card only adds card-specific overrides */
.pres-deck-card {
  cursor: pointer;
}
.pres-deck-card__footer .btn {
  flex: 0 0 auto; font-size: 0.70rem;
  padding: 0.22rem 0.45rem; line-height: 1.1;
  white-space: nowrap; border-color: var(--text-muted);
}
.btn-present-card {
  margin-left: auto;
  background: rgba(13,110,253,0.85) !important;
  border-color: rgba(13,110,253,0.90) !important;
  color: #fff !important; font-size: 0.72rem !important;
  padding: 0.24rem 0.65rem !important; border-radius: 8px !important;
}
.btn-present-card:hover { background: rgba(13,110,253,1) !important; }

/* ─── Column labels (shared tiny uppercase heading) ──────── */
.pres-col-label {
  font-size: 9px; font-weight: 700; letter-spacing: 1.5px;
  text-transform: uppercase; color: var(--text-muted);
  margin-bottom: 12px;
}

/* ─── Module tiles (mirror teacher_ui.css) ───────────────── */
.module-tile.pres-add-btn {
  display: flex; flex-direction: column; align-items: center;
  justify-content: center; height: 54px; border-radius: 12px;
  border: 1px solid var(--card-border);
  background: var(--card-bg);
  color: rgba(255,255,255,0.88); cursor: pointer;
  transition: all 0.15s; gap: 2px; text-align: center;
}
.module-tile.pres-add-btn:hover {
  background: var(--card-bg);
  border-color: var(--text-muted); transform: translateY(-1px);
}
.module-tile__title { font-weight:600; font-size:10px; line-height:1.15; color:rgba(255,255,255,0.88); }
.module-tile__hint  { font-size:9px; opacity:0.50; margin-top:1px; }

/* ─── Slide strip ────────────────────────────────────────── */
#slideStrip .slide-thumb {
  flex-shrink:0; width:100px; aspect-ratio:16/9;
  border-radius:8px; border:1.5px solid var(--card-border);
  background:var(--card-bg); cursor:pointer;
  overflow:hidden; position:relative;
  transition:border-color 0.15s, box-shadow 0.15s;
}
#slideStrip .slide-thumb:hover  { border-color:rgba(100,180,255,0.40); }
#slideStrip .slide-thumb.active {
  border-color:rgba(100,180,255,0.72);
  box-shadow:0 0 0 2px rgba(100,180,255,0.18);
}
#slideStrip .slide-thumb .thumb-num {
  position:absolute; bottom:3px; right:5px;
  font-size:9px; color:var(--text-muted);
  font-variant-numeric:tabular-nums; pointer-events:none;
}
#slideStrip .slide-thumb .thumb-del {
  position:absolute; top:3px; right:3px;
  width:16px; height:16px; border-radius:4px;
  background:transparent; color:transparent;
  border:none; cursor:pointer; font-size:10px;
  display:flex; align-items:center; justify-content:center;
  transition:all 0.15s;
}
#slideStrip .slide-thumb:hover .thumb-del {
  background:rgba(239,68,68,0.55); color:rgba(255,255,255,0.95);
}

/* ─── Editor field inputs ────────────────────────────────── */
.pres-field-group        { margin-bottom:11px; }
.pres-field-group label {
  display:block; font-size:9px; font-weight:600;
  letter-spacing:1.5px; text-transform:uppercase;
  color:var(--text-muted); margin-bottom:5px;
}
.pres-field-group input,
.pres-field-group textarea,
.pres-field-group select,
.module-inspector-select {
  width:100%; background:rgba(22,28,42,0.97);
  border:1px solid var(--card-border); border-radius:8px;
  padding:6px 9px; color:rgba(255,255,255,0.88);
  font-size:12px; outline:none; transition:border-color 0.15s;
  color-scheme: dark;
}
.pres-field-group input:focus,
.pres-field-group textarea:focus,
.pres-field-group select:focus { border-color:rgba(100,180,255,0.45); }

/* ─── CEFR badge ─────────────────────────────────────────── */
.cefr-badge {
  display:inline-flex; align-items:center; justify-content:center;
  font-size:10px; font-weight:700; padding:2px 8px;
  border-radius:999px; letter-spacing:0.4px;
}
.cefr-badge.cefr-A1 { background:rgba(56,189,248,0.55);  border:1px solid rgba(56,189,248,0.80);  color:#fff; }
.cefr-badge.cefr-A2 { background:rgba(14,165,233,0.55);  border:1px solid rgba(14,165,233,0.80);  color:#fff; }
.cefr-badge.cefr-B1 { background:rgba(16,185,129,0.55);  border:1px solid rgba(16,185,129,0.80);  color:#fff; }
.cefr-badge.cefr-B2 { background:rgba(5,150,105,0.55);   border:1px solid rgba(5,150,105,0.80);   color:#fff; }
.cefr-badge.cefr-C1 { background:rgba(168,85,247,0.55);  border:1px solid rgba(168,85,247,0.80);  color:#fff; }

/* ─── Presenter nav ──────────────────────────────────────── */
.pres-nav-btn {
  width:36px; height:36px; border-radius:50%;
  border:1px solid var(--card-border);
  background:var(--card-bg);
  color:var(--text-secondary); font-size:13px;
  cursor:pointer; display:flex; align-items:center;
  justify-content:center; transition:all 0.15s;
}
.pres-nav-btn:hover    { background:var(--card-bg); color:#fff; }
.pres-nav-btn:disabled { opacity:0.25; cursor:not-allowed; }

#liveSlideDots .dot {
  width:6px; height:6px; border-radius:50%;
  background:rgba(255,255,255,0.18); cursor:pointer; transition:all 0.2s;
}
#liveSlideDots .dot.active {
  background:rgba(147,220,255,0.85); transform:scale(1.35);
}

#voiceIndicator.listening {
  background:rgba(110,231,183,0.90) !important;
  box-shadow:0 0 0 3px rgba(110,231,183,0.20);
  animation:voicePulse 1.2s ease-in-out infinite;
}
@keyframes voicePulse {
  0%,100% { box-shadow:0 0 0 3px rgba(110,231,183,0.20); }
  50%     { box-shadow:0 0 0 6px rgba(110,231,183,0.08); }
}