.level-header > .btn,
.level-header #tasks-back-btn,
.admin-header > .btn {
  grid-column: 3 !important;
  justify-self: end !important;
  position: static !important;
  top: auto !important;
  right: auto !important;
  left: auto !important;
  transform: none !important;
}

/* Course pages: Home/Editor buttons should never overlap */
.level-header .level-header-actions {
  display: flex !important;
  flex-direction: row !important;
  flex-wrap: wrap !important;
  gap: 12px !important;
  z-index: 5 !important;
  pointer-events: auto !important;
  position: relative !important;
}

.level-header .level-header-actions-left {
  grid-column: 1 !important;
  justify-self: start !important;
  align-items: flex-start !important;
}

.level-header .level-header-actions-right {
  grid-column: 3 !important;
  justify-self: end !important;
  align-items: flex-end !important;
}

.level-header .level-header-actions .btn {
  position: static !important;
  top: auto !important;
  right: auto !important;
  left: auto !important;
  transform: none !important;
  pointer-events: auto !important;
  z-index: 6 !important;
}

/* Mobile: make header action buttons pill-shaped */
@media (max-width: 900px) {
  .level-header .level-header-actions {
    flex-direction: column !important;
    align-items: flex-end !important;
  }

  .level-header > .btn,
  .level-header #tasks-back-btn,
  .admin-header > .btn {
    border-radius: 999px !important;
    padding: 10px 16px !important;
    font-size: 1.02rem !important;
    line-height: 1 !important;
    width: auto !important;
    max-width: none !important;
  }
}

.student-notifications-btn {
  position: relative !important;
  background: linear-gradient(135deg, #1f4f7a, #123454);
  color: #ffffff;
  border: 1px solid transparent;
  font-weight: 900;
}

.level-header .level-header-actions .student-notifications-btn {
  position: relative !important;
}

.student-notifications-modal {
  z-index: 1400;
}

.student-notifications-card {
  width: min(980px, 100%);
  max-height: 88vh;
  overflow-y: auto;
  padding: 14px;
}

.student-notifications-list {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
  gap: 12px;
  margin-top: 12px;
}

.student-notifications-item {
  border: 1px solid rgba(207, 218, 230, 0.9);
  border-radius: 18px;
  background: linear-gradient(180deg, rgba(255, 255, 255, 0.98) 0%, rgba(246, 250, 255, 0.98) 100%);
  padding: 14px;
  box-shadow: 0 20px 50px rgba(10, 40, 70, 0.08);
  position: relative;
  display: flex;
  flex-direction: column;
  gap: 10px;
}

.student-notifications-item-head {
  display: flex;
  align-items: flex-start;
  justify-content: space-between;
  gap: 12px;
}

.student-notifications-item-title {
  margin: 0;
  font-size: 1.05rem;
  font-weight: 900;
  color: #123456;
}

.student-notifications-score {
  flex: none;
  min-width: 52px;
  height: 40px;
  border-radius: 14px;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  font-weight: 950;
  font-size: 1.15rem;
  letter-spacing: 0.01em;
  color: #0b2237;
  border: 1px solid rgba(18, 52, 86, 0.14);
  background: rgba(18, 52, 86, 0.06);
}

.student-notifications-score.is-score-5 {
  color: #0f3d25;
  background: linear-gradient(135deg, rgba(46, 125, 85, 0.18), rgba(46, 125, 85, 0.08));
  border-color: rgba(46, 125, 85, 0.38);
}

.student-notifications-score.is-score-4 {
  color: #12405f;
  background: linear-gradient(135deg, rgba(47, 167, 255, 0.18), rgba(47, 167, 255, 0.08));
  border-color: rgba(47, 167, 255, 0.35);
}

.student-notifications-score.is-score-3 {
  color: #5a3a00;
  background: linear-gradient(135deg, rgba(255, 185, 0, 0.22), rgba(255, 185, 0, 0.1));
  border-color: rgba(255, 185, 0, 0.42);
}

.student-notifications-score.is-score-2 {
  color: #6b1212;
  background: linear-gradient(135deg, rgba(224, 36, 36, 0.18), rgba(224, 36, 36, 0.08));
  border-color: rgba(224, 36, 36, 0.38);
}

.student-notifications-score.is-score-1 {
  color: #4b0c0c;
  background: linear-gradient(135deg, rgba(158, 28, 28, 0.22), rgba(158, 28, 28, 0.1));
  border-color: rgba(158, 28, 28, 0.42);
}

.student-notifications-item-meta {
  margin: 0;
  color: #4c6075;
  font-weight: 700;
}

.student-notifications-item-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
}

.student-notifications-comment-btn {
  position: relative;
  background: #ffffff;
  color: #123456;
  border: 1px solid rgba(18, 52, 86, 0.16);
  font-weight: 900;
}

.student-notifications-homework-btn {
  background: linear-gradient(135deg, #2e7d55, #1f5f41);
  color: #ffffff;
  border: 1px solid transparent;
  font-weight: 900;
  text-decoration: none;
}

.student-notifications-comment {
  margin: 0;
  padding: 12px 12px;
  border-radius: 14px;
  background: rgba(16, 32, 56, 0.04);
  border: 1px solid rgba(16, 32, 56, 0.08);
  color: #18314b;
  font-weight: 700;
  white-space: pre-wrap;
}

/* Rejected homework notification card */
.student-notifications-item.is-rejected {
  border-color: rgba(176, 42, 31, 0.28);
  background: linear-gradient(180deg, rgba(255, 248, 246, 0.98) 0%, rgba(255, 237, 234, 0.98) 100%);
}

.student-notifications-rejected-badge {
  flex: none;
  padding: 5px 12px;
  border-radius: 14px;
  font-weight: 900;
  font-size: 0.88rem;
  color: #7a1a10;
  background: linear-gradient(135deg, rgba(220, 60, 40, 0.16), rgba(220, 60, 40, 0.08));
  border: 1px solid rgba(220, 60, 40, 0.32);
  white-space: nowrap;
}

.student-notifications-reject-hint {
  margin: 0;
  font-size: 0.88rem;
  font-weight: 800;
  color: #a02015;
}

.student-notifications-comment-btn.is-reject-comment {
  color: #7a1a10;
  border-color: rgba(176, 42, 31, 0.24);
}

/* Hero header (index): single-row grid keeps both action groups on the same line */
@media (max-width: 900px) {
  .hero-header {
    display: grid !important;
    grid-template-columns: 1fr auto 1fr !important;
    grid-template-areas: "left logo right" !important;
    align-items: center !important;
    column-gap: 8px !important;
  }

  .hero-header .logo {
    grid-area: logo !important;
    justify-self: center !important;
    margin: 0 !important;
    position: static !important;
    transform: none !important;
    order: 0 !important;
  }

  /* Constrain logo width so buttons have room on both sides.
     On ≤720px the width is driven by JS (--m-logo-w), so only apply here
     for 721–900px where the mobile Menu button is never shown. */
  .hero-header .logo img {
    height: auto !important;
  }

  .hero-header .header-actions.header-actions-left {
    grid-area: left !important;
    justify-self: start !important;
    align-self: center !important;
  }

  .hero-header .header-actions.header-actions-right {
    grid-area: right !important;
    justify-self: end !important;
    align-self: center !important;
  }

  .hero-header .header-actions {
    position: static !important;
    top: auto !important;
    left: auto !important;
    right: auto !important;
    margin: 0 !important;
    width: auto !important;
    display: flex !important;
    flex-wrap: nowrap !important;
    gap: 6px !important;
  }

  .hero-header .header-actions.header-actions-left {
    justify-content: flex-start !important;
  }

  .hero-header .header-actions.header-actions-right {
    justify-content: flex-end !important;
  }

  .hero-header .header-actions .btn {
    padding: 9px 13px !important;
    font-size: 0.95rem !important;
    line-height: 1 !important;
    border-radius: 999px !important;
    white-space: nowrap !important;
    background: linear-gradient(180deg, rgba(255, 255, 255, 0.96), rgba(238, 246, 255, 0.9)) !important;
    color: #102740 !important;
    border: 1px solid rgba(16, 37, 58, 0.18) !important;
    box-shadow: 0 14px 30px rgba(13, 27, 42, 0.18) !important;
    backdrop-filter: blur(10px) !important;
    -webkit-backdrop-filter: blur(10px) !important;
    min-height: 40px !important;
  }

  /* Align Profile with Login/Logout (disable legacy per-button offset) */
  .header-actions #admin-panel-btn,
  .header-actions #profile-btn {
    transform: none !important;
  }
}

/* Level headers (course pages): keep left/right actions like Profile/Login */
@media (max-width: 900px) {
  .level-header .level-header-actions {
    flex-direction: row !important;
    align-items: center !important;
    justify-content: flex-end !important;
    gap: 10px !important;
  }

  .level-header .level-header-actions-left {
    justify-content: flex-start !important;
  }

  .level-header .level-header-actions-right {
    justify-content: flex-end !important;
  }

  .level-header .level-header-actions .btn {
    min-height: 44px !important;
    padding: 10px 14px !important;
    font-size: 1.02rem !important;
    line-height: 1 !important;
    border-radius: 999px !important;
    background: linear-gradient(180deg, rgba(255, 255, 255, 0.96), rgba(238, 246, 255, 0.9)) !important;
    color: #102740 !important;
    border: 1px solid rgba(16, 37, 58, 0.18) !important;
    box-shadow: 0 14px 30px rgba(13, 27, 42, 0.18) !important;
    backdrop-filter: blur(10px) !important;
    -webkit-backdrop-filter: blur(10px) !important;
  }

  .level-header .level-header-actions .student-notifications-btn {
    background: linear-gradient(135deg, #2aabee, #1d6fa5) !important;
    color: #ffffff !important;
    border-color: rgba(255, 255, 255, 0.24) !important;
  }
}

/* Lesson page action buttons: consistent size/shape + themed colors */
.lesson-player-actions .lesson-nav-btn {
  min-height: 60px !important;
  border-radius: 28px !important;
  padding: 14px 18px !important;
  font-size: 1.02rem !important;
  letter-spacing: 0.2px !important;
  justify-content: center !important;
  position: relative !important;
  overflow: hidden !important;
  will-change: box-shadow, filter !important;
  box-shadow: 0 18px 34px rgba(16, 39, 64, 0.18) !important;
  border-width: 1px !important;
  --glow-x: 50%;
  --glow-y: 50%;
  --glow-rgb: 255, 255, 255;
}

.lesson-player-actions .lesson-nav-btn::after {
  content: "" !important;
  position: absolute !important;
  inset: 0 !important;
  padding: 2px !important;
  border-radius: inherit !important;
  background: radial-gradient(
      circle at var(--glow-x) var(--glow-y),
      rgba(var(--glow-rgb), 0.95) 0%,
      rgba(var(--glow-rgb), 0.42) 30%,
      rgba(var(--glow-rgb), 0) 70%
    ) !important;
  -webkit-mask: linear-gradient(#000 0 0) content-box, linear-gradient(#000 0 0) !important;
  -webkit-mask-composite: xor !important;
  mask-composite: exclude !important;
  opacity: 0 !important;
  transition: opacity 0.18s ease !important;
  pointer-events: none !important;
  mix-blend-mode: screen !important;
}

@media (hover: hover) and (pointer: fine) {
  .lesson-player-actions .lesson-nav-btn:hover {
    transform: translateY(-2px) !important;
    box-shadow:
      0 22px 42px rgba(16, 39, 64, 0.22),
      0 0 0 1px rgba(var(--glow-rgb), 0.22),
      0 0 30px rgba(var(--glow-rgb), 0.42) !important;
    filter: saturate(1.08) brightness(1.04) !important;
  }

  .lesson-player-actions .lesson-nav-btn:hover::after {
    opacity: 1 !important;
  }
}

@media (prefers-reduced-motion: reduce) {
  .lesson-player-actions .lesson-nav-btn {
    transition: none !important;
  }
  .lesson-player-actions .lesson-nav-btn:hover {
    transform: none !important;
  }
}

.lesson-nav-btn-back {
  border-color: rgba(14, 165, 233, 0.6) !important;
  background: linear-gradient(135deg, #0ea5e9, #0284c7) !important;
  color: #ffffff !important;
  --glow-rgb: 56, 189, 248 !important;
}

.lesson-nav-btn-presentation {
  border-color: rgba(99, 102, 241, 0.65) !important;
  background: linear-gradient(135deg, #6366f1, #4338ca) !important;
  color: #ffffff !important;
  --glow-rgb: 165, 180, 252 !important;
}

.lesson-nav-btn-homework {
  border-color: rgba(245, 158, 11, 0.7) !important;
  background: linear-gradient(135deg, #f59e0b, #d97706) !important;
  color: #ffffff !important;
  --glow-rgb: 253, 186, 116 !important;
}

.lesson-nav-btn-primary {
  border-color: rgba(19, 42, 70, 0.85) !important;
  background: linear-gradient(135deg, #1f4f7a, #132a46) !important;
  color: #ffffff !important;
  --glow-rgb: 147, 197, 253 !important;
}

.lesson-nav-btn-tasks {
  box-shadow: 0 14px 28px rgba(19, 42, 70, 0.22) !important;
}

/* Quiz: make "Check" more visible + place Previous above Next on mobile */
.quiz-check-btn {
  background: linear-gradient(135deg, #22c55e, #15803d) !important;
  box-shadow: 0 12px 24px rgba(21, 128, 61, 0.28) !important;
}

@media (max-width: 720px) {
  .quiz-nav-row {
    grid-template-columns: 1fr !important;
    grid-template-areas:
      "center"
      "left"
      "right" !important;
    align-items: stretch !important;
  }

  .quiz-nav-left {
    grid-area: left !important;
    justify-self: stretch !important;
  }

  .quiz-nav-center {
    grid-area: center !important;
    justify-self: center !important;
  }

  .quiz-nav-right {
    grid-area: right !important;
    justify-self: stretch !important;
    min-width: 0 !important;
  }

  .quiz-nav-btn {
    width: 100% !important;
    min-width: 0 !important;
  }
}

/* Homework textarea: prevent horizontal overflow on mobile */
.homework-textarea,
.homework-file {
  box-sizing: border-box !important;
  max-width: 100% !important;
}

/* Was: a blanket !important pill override on every .btn on the entire
   site (kept every button oval regardless of what its own, more specific
   rule declared - even ones that explicitly asked for a squarer radius,
   like .admin-homework-toggle-btn's 12px a few hundred lines up in
   admin-core.css, which this silently defeated). Removed per explicit
   request - buttons now fall back to the base .btn radius (12px, see
   modals-calendar-profile.css) or whatever their own class specifies,
   matching the site's card/panel radius instead of standing out as
   pills. Scoped mobile-header pill treatments (.level-header > .btn,
   .hero-header .header-actions .btn, etc., a bit above/below in this
   same file) are untouched - those are deliberate, narrow decisions for
   that specific nav context, not this blanket one. */

/* Admin lessons editor (course pages) */
.admin-lessons-edit-btn {
  margin-left: 12px;
  pointer-events: auto !important;
  position: relative !important;
  z-index: 9999 !important;
}

.admin-lessons-modal {
  position: fixed;
  inset: 0;
  width: 100vw;
  min-height: 100vh;
  height: 100dvh;
  background: rgba(10, 20, 40, 0.55);
  display: none;
  align-items: center;
  justify-content: center;
  z-index: 9999;
  padding: max(16px, env(safe-area-inset-top)) max(16px, env(safe-area-inset-right))
    max(16px, env(safe-area-inset-bottom)) max(16px, env(safe-area-inset-left));
  -webkit-tap-highlight-color: transparent;
  touch-action: none;
}

.admin-lessons-modal.is-open {
  display: flex;
}

.admin-lessons-modal-card,
.admin-lessons-manager-card,
.admin-lesson-edit-card,
.admin-lessons-confirm-card,
.admin-quiz-editor-card,
.admin-lessons-card {
  width: min(1100px, 96vw);
  background: #ffffff;
  border-radius: 18px;
  box-shadow: 0 18px 60px rgba(0, 0, 0, 0.25);
  max-height: calc(100dvh - 40px);
  overflow: auto;
  -webkit-overflow-scrolling: touch;
  touch-action: auto;
}

.admin-lessons-modal-card,
.admin-lessons-confirm-card,
.admin-lessons-card {
  width: min(560px, 96vw);
  padding: 22px;
}

.admin-lessons-modal-header,
.admin-lessons-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 12px;
  margin-bottom: 6px;
}

.admin-lessons-modal-title,
.admin-lessons-title {
  margin: 0;
  font-size: 20px;
  font-weight: 700;
  color: #1c2a4a;
}

.admin-lessons-body {
  margin-top: 10px;
}

.admin-lessons-close {
  border: none;
  background: #eef2f7;
  color: #1c2a4a;
  padding: 10px 16px;
  border-radius: 999px;
  cursor: pointer;
  font-weight: 700;
}

.admin-lessons-hint {
  margin: 12px 0 14px;
  color: #44536e;
}

.admin-lessons-input {
  width: 100%;
  box-sizing: border-box;
  padding: 14px 16px;
  border: 1px solid #d9e1ee;
  border-radius: 14px;
  font-size: 16px;
  outline: none;
}

.admin-lessons-status {
  margin: 10px 0 0;
  min-height: 20px;
  color: #44536e;
  font-size: 14px;
}

.admin-lessons-actions {
  display: flex;
  gap: 10px;
  justify-content: flex-end;
  margin-top: 14px;
}

.admin-lessons-primary {
  background: #1e88e5;
  color: #fff;
  border: none;
}

.admin-lessons-secondary {
  background: #eef2f7;
  color: #1c2a4a;
}

.admin-homework-edit-btn {
  background: linear-gradient(135deg, #f59e0b, #d97706) !important;
  color: #ffffff !important;
  border: none !important;
  font-weight: 900 !important;
  box-shadow: 0 14px 28px rgba(217, 119, 6, 0.28) !important;
  padding: 12px 18px !important;
}

.admin-homework-edit-btn:hover {
  transform: translateY(-1px);
}

.admin-lessons-manager-card {
  padding: 18px;
  max-height: min(82vh, 920px);
  display: flex;
  flex-direction: column;
  gap: 14px;
}

.admin-lessons-add {
  background: #ffffff;
  border: 1px solid #d9e1ee;
  color: #1c2a4a;
  font-weight: 800;
  border-radius: 14px;
  padding: 12px 18px;
}

.admin-lessons-list {
  display: flex;
  flex-direction: column;
  gap: 12px;
  overflow: auto;
  padding: 6px;
}

.admin-lessons-row {
  display: flex;
  align-items: center;
  gap: 14px;
  padding: 14px 16px;
  border-radius: 18px;
  border: 1px solid #e6edf6;
  background: #f8fbff;
}

.admin-lessons-row.is-dragging {
  opacity: 0.88;
  box-shadow: 0 18px 40px rgba(19, 42, 70, 0.16);
  transform: scale(1.01);
}

.admin-drag-preview {
  box-shadow: 0 18px 48px rgba(0, 0, 0, 0.18);
}

.admin-lessons-handle {
  width: 44px;
  height: 44px;
  border-radius: 14px;
  background: #eef2f7;
  cursor: grab;
  flex: 0 0 auto;
  position: relative;
}

.admin-lessons-handle::before {
  content: "";
  position: absolute;
  inset: 0;
  margin: auto;
  width: 18px;
  height: 18px;
  background: radial-gradient(circle, rgba(28, 42, 74, 0.7) 2px, transparent 3px) 0 0 / 6px 6px;
}

.admin-lessons-meta {
  flex: 1 1 auto;
  min-width: 0;
}

.admin-lessons-sub {
  color: #4a5a77;
  font-size: 14px;
  margin-top: 2px;
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
}

.admin-lessons-row-actions {
  display: flex;
  gap: 10px;
}

.admin-lessons-mini {
  padding: 10px 18px;
  border-radius: 999px;
  font-weight: 800;
}

.admin-lessons-mini-edit {
  background: #eef2f7;
  color: #1c2a4a;
}

.admin-certificates-manager-left {
  display: flex;
  align-items: center;
  gap: 12px;
  flex-wrap: wrap;
}

.admin-certificates-tabs {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 6px;
  border-radius: 999px;
  background: #eef2f7;
  border: 1px solid #d9e1ee;
}

.admin-certificates-tab {
  border: none;
  background: transparent;
  color: #1c2a4a;
  font-weight: 900;
  padding: 10px 14px;
  border-radius: 999px;
  cursor: pointer;
}

.admin-certificates-tab.is-active {
  background: #ffffff;
  box-shadow: 0 10px 24px rgba(19, 42, 70, 0.12);
}

.admin-certificate-edit-grid {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: 14px;
  margin-top: 14px;
}

@media (min-width: 780px) {
  .admin-certificate-edit-grid {
    grid-template-columns: 1.1fr 1fr;
    align-items: start;
  }
}

.admin-certificate-preview {
  border-radius: 16px;
  border: 1px solid #e6edf6;
  background: #f8fbff;
  padding: 12px;
}

.admin-certificate-preview img {
  width: 100%;
  height: auto;
  display: block;
  border-radius: 12px;
  object-fit: contain;
  background: rgba(16, 32, 56, 0.03);
}

.admin-certificate-fields {
  display: flex;
  flex-direction: column;
  gap: 10px;
}

.admin-certificate-label {
  font-size: 0.92rem;
  font-weight: 900;
  color: #1c2a4a;
}

.admin-certificate-textarea {
  resize: vertical;
  min-height: 92px;
}

.admin-subscription-edit-card {
  max-width: 820px;
}

.admin-subscription-edit-fields {
  display: flex;
  flex-direction: column;
  gap: 10px;
  margin-top: 14px;
}

.admin-subscription-features {
  resize: vertical;
  min-height: 120px;
}

.admin-subscription-price-grid {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: 10px;
}

@media (min-width: 780px) {
  .admin-subscription-price-grid {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }
}

.admin-lessons-mini-delete {
  background: linear-gradient(135deg, #ef4444, #b91c1c);
  color: #ffffff;
  border: none;
  box-shadow: 0 12px 22px rgba(185, 28, 28, 0.22);
}

/* ── All admin manager modals — unified redesign ── */
.admin-lessons-manager-card {
  padding: 0 !important;
  gap: 0 !important;
  overflow: hidden !important;
}

.admin-lessons-manager-card .admin-lessons-modal-header {
  background: linear-gradient(135deg, #0f2744 0%, #1a4272 100%);
  padding: 18px 22px;
  border-radius: 18px 18px 0 0;
  margin-bottom: 0;
  gap: 14px;
}

.admin-lessons-manager-card .admin-lessons-add {
  background: linear-gradient(135deg, #22c55e, #16a34a);
  color: #fff !important;
  border: none;
  box-shadow: 0 8px 18px rgba(22, 163, 74, 0.35);
  font-size: 0.9rem;
}

.admin-lessons-manager-card .admin-lessons-add:hover {
  filter: brightness(1.08);
  transform: translateY(-1px);
}

/* Override global red !important for all manager close buttons */
.admin-lessons-manager-card .admin-lessons-close,
.admin-lessons-manager-card button[id*="close"],
.admin-lessons-manager-card button[class*="close"] {
  background: rgba(255, 255, 255, 0.13) !important;
  border: 1.5px solid rgba(255, 255, 255, 0.28) !important;
  color: #fff !important;
  box-shadow: none !important;
  padding: 9px 18px;
  border-radius: 999px;
}

.admin-lessons-manager-card .admin-lessons-close:hover,
.admin-lessons-manager-card button[id*="close"]:hover,
.admin-lessons-manager-card button[class*="close"]:hover {
  background: rgba(255, 255, 255, 0.22) !important;
  transform: none !important;
  box-shadow: none !important;
}

.admin-lessons-manager-card .admin-lessons-hint {
  margin: 0;
  padding: 10px 22px;
  font-size: 13px;
  color: #64748b;
  background: #f4f7fc;
  border-bottom: 1px solid #e2eaf4;
}

.admin-lessons-manager-card .admin-lessons-list {
  padding: 16px;
  gap: 10px;
  overflow: auto;
  max-height: calc(min(82vh, 920px) - 120px);
}

.admin-lessons-manager-card .admin-lessons-row {
  background: #fff;
  border: 1px solid #e2eaf4;
  border-left: 4px solid #3b82f6;
  border-radius: 14px;
  box-shadow: 0 2px 10px rgba(19, 42, 70, 0.07);
  padding: 13px 15px;
  transition: box-shadow 0.15s ease, border-left-color 0.15s ease;
}

.admin-lessons-manager-card .admin-lessons-row:hover {
  box-shadow: 0 6px 20px rgba(19, 42, 70, 0.12);
  border-left-color: #1d4ed8;
}

.admin-lessons-manager-card .admin-lessons-handle {
  background: #eef2f7;
  border-radius: 10px;
}

/* Blue Edit buttons for all manager row types */
.admin-lessons-mini-edit,
.admin-team-mini-edit,
.admin-certificates-mini-edit,
.admin-subscriptions-mini-edit {
  background: linear-gradient(135deg, #3b82f6, #1d4ed8) !important;
  color: #fff !important;
  border: none !important;
  box-shadow: 0 6px 14px rgba(29, 78, 216, 0.28) !important;
}

.admin-lessons-mini-edit:hover,
.admin-team-mini-edit:hover,
.admin-certificates-mini-edit:hover,
.admin-subscriptions-mini-edit:hover {
  filter: brightness(1.1);
}

/* Dark theme */
[data-theme="dark"] .admin-lessons-manager-card .admin-lessons-hint {
  background: rgba(255, 255, 255, 0.04);
  border-bottom-color: rgba(255, 255, 255, 0.08);
  color: #7a9ab8;
}

[data-theme="dark"] .admin-lessons-manager-card .admin-lessons-row {
  background: linear-gradient(135deg, rgba(59, 130, 246, 0.12) 0%, rgba(255, 255, 255, 0.06) 100%);
  border-color: rgba(59, 130, 246, 0.3);
  border-left-color: #3b82f6;
  box-shadow: 0 2px 10px rgba(0, 0, 0, 0.25), inset 0 1px 0 rgba(255, 255, 255, 0.06);
}

[data-theme="dark"] .admin-lessons-manager-card .admin-lessons-row:hover {
  background: linear-gradient(135deg, rgba(59, 130, 246, 0.2) 0%, rgba(255, 255, 255, 0.09) 100%);
  border-left-color: #60a5fa;
  box-shadow: 0 4px 18px rgba(59, 130, 246, 0.2), inset 0 1px 0 rgba(255, 255, 255, 0.08);
}

[data-theme="dark"] .admin-lessons-manager-card .admin-lessons-handle {
  background: rgba(255, 255, 255, 0.1);
  border: 1px solid rgba(255, 255, 255, 0.08);
}

[data-theme="dark"] .admin-lessons-manager-card .admin-lessons-name strong {
  color: #e2eeff;
}

[data-theme="dark"] .admin-lessons-manager-card .admin-lessons-sub {
  color: #7a9ab8;
}

.admin-lesson-edit-card {
  padding: 18px;
}

.admin-lesson-edit-topbar {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 12px;
  margin-bottom: 14px;
}

/* ── Lesson Flashcard Modal overlay ── */
.fc-lesson-overlay {
  display: none;
  position: fixed;
  inset: 0;
  z-index: 2200;
  align-items: center;
  justify-content: center;
  padding: 18px;
  background: rgba(5, 10, 22, 0.75);
  backdrop-filter: blur(4px);
  -webkit-backdrop-filter: blur(4px);
}

.fc-lesson-overlay.is-open {
  display: flex;
}

.fc-lesson-dialog {
  width: min(560px, 100%);
  max-height: min(92vh, 680px);
  overflow-y: auto;
  overflow-x: hidden;
  background: #ffffff;
  border-radius: 24px;
  box-shadow: 0 28px 70px rgba(0, 0, 0, 0.38);
  display: flex;
  flex-direction: column;
  gap: 16px;
  padding: 20px 20px 24px;
  scrollbar-width: none;
}

.fc-lesson-dialog::-webkit-scrollbar { display: none; }

.fc-lesson-topbar {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 12px;
}

.fc-lesson-modal-title {
  font-size: 1.05rem;
  font-weight: 900;
  color: #102740;
  letter-spacing: 0.01em;
}

.fc-lesson-skip-btn {
  font-size: 0.8rem !important;
  padding: 6px 14px !important;
  border-radius: 10px !important;
  background: transparent !important;
  color: #7a90a8 !important;
  border: 1px solid rgba(22,57,93,.2) !important;
  font-weight: 700 !important;
}

.fc-lesson-skip-btn:hover {
  color: #1e3a58 !important;
  border-color: rgba(22,57,93,.4) !important;
}

.fc-lesson-progress-wrap {
  display: flex;
  align-items: center;
  gap: 10px;
}

.fc-lesson-progress-track {
  flex: 1;
  height: 6px;
  background: rgba(22,57,93,.1);
  border-radius: 999px;
  overflow: hidden;
}

.fc-lesson-progress-bar {
  height: 100%;
  background: linear-gradient(90deg, #3b82f6, #6366f1);
  border-radius: 999px;
  transition: width .35s cubic-bezier(.4,0,.2,1);
}

.fc-lesson-progress-text {
  font-size: 0.78rem;
  font-weight: 700;
  color: #7a90a8;
  white-space: nowrap;
  min-width: 40px;
  text-align: right;
}

.fc-lm-card-area {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 16px;
}

.fc-lm-card-area .fc-card {
  width: 100%;
  height: 200px;
}

.fc-done-btn--continue {
  background: linear-gradient(135deg, #3b82f6, #6366f1) !important;
  color: #fff !important;
  border: none !important;
  box-shadow: 0 6px 18px rgba(59,130,246,.35) !important;
}

.fc-done-btn--continue:hover {
  box-shadow: 0 10px 26px rgba(59,130,246,.45) !important;
}

/* Dark theme */
[data-theme="dark"] .fc-lesson-dialog {
  background: linear-gradient(160deg, #0f1e38 0%, #0a1628 100%);
  box-shadow: 0 28px 70px rgba(0,0,0,.55);
}

[data-theme="dark"] .fc-lesson-modal-title { color: #e8f0ff; }

[data-theme="dark"] .fc-lesson-skip-btn {
  color: #6a86a8 !important;
  border-color: rgba(255,255,255,.12) !important;
}

[data-theme="dark"] .fc-lesson-skip-btn:hover {
  color: #d8e8ff !important;
  border-color: rgba(255,255,255,.28) !important;
}

[data-theme="dark"] .fc-lesson-progress-track { background: rgba(255,255,255,.08); }
[data-theme="dark"] .fc-lesson-progress-text { color: #5a7a96; }

/* ═══════════════════════════════════════════════════════════
   FLASHCARDS PAGE
═══════════════════════════════════════════════════════════ */

@keyframes fcSlideIn {
  from { opacity: 0; transform: translateY(10px) rotateY(0deg); }
  to   { opacity: 1; transform: translateY(0)    rotateY(0deg); }
}

.fc-page {
  min-height: calc(100vh - 90px);
  padding: 28px 20px 60px;
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 20px;
  background:
    linear-gradient(180deg, rgba(243, 246, 252, 0.95), rgba(243, 246, 252, 0.8)),
    repeating-linear-gradient(0deg, rgba(14,37,61,.05) 0px, rgba(14,37,61,.05) 1px, transparent 1px, transparent 28px),
    repeating-linear-gradient(90deg, rgba(14,37,61,.05) 0px, rgba(14,37,61,.05) 1px, transparent 1px, transparent 28px);
}

/* ── Selector bar ── */
.fc-selector-bar {
  display: flex;
  gap: 16px;
  align-items: flex-end;
  flex-wrap: wrap;
  justify-content: center;
}

.fc-selector-group {
  display: flex;
  flex-direction: column;
  gap: 4px;
}

.fc-selector-label {
  font-size: 0.72rem;
  font-weight: 700;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: #7a90a8;
}

.fc-select {
  appearance: none;
  -webkit-appearance: none;
  background: #fff url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='12' height='7' viewBox='0 0 12 7'%3E%3Cpath d='M1 1l5 5 5-5' stroke='%234a6080' stroke-width='1.6' fill='none' stroke-linecap='round'/%3E%3C/svg%3E") no-repeat right 12px center;
  border: 1.5px solid rgba(22,57,93,.2);
  border-radius: 10px;
  padding: 8px 36px 8px 14px;
  font-size: 0.93rem;
  font-weight: 700;
  color: #1e2a38;
  cursor: pointer;
  min-width: 100px;
  box-shadow: 0 1px 4px rgba(20,50,90,.07);
  transition: border-color .18s;
}

.fc-select:focus {
  outline: none;
  border-color: #3b82f6;
}

/* ── Progress ── */
.fc-progress-wrap {
  width: min(520px, 100%);
  display: flex;
  align-items: center;
  gap: 10px;
}

.fc-progress-track {
  flex: 1;
  height: 7px;
  background: rgba(22,57,93,.12);
  border-radius: 999px;
  overflow: hidden;
}

.fc-progress-bar {
  height: 100%;
  background: linear-gradient(90deg, #3b82f6, #6366f1);
  border-radius: 999px;
  transition: width .35s cubic-bezier(.4,0,.2,1);
}

.fc-progress-text {
  font-size: 0.8rem;
  font-weight: 700;
  color: #7a90a8;
  white-space: nowrap;
  min-width: 42px;
  text-align: right;
}

/* ── Card area ── */
.fc-card-area {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 18px;
  width: 100%;
}

/* 3D flip */
.fc-card {
  width: min(460px, 100%);
  height: 240px;
  perspective: 900px;
  cursor: pointer;
  outline: none;
}

.fc-card-inner {
  width: 100%;
  height: 100%;
  position: relative;
  transform-style: preserve-3d;
  transition: transform .45s cubic-bezier(.4,0,.2,1);
}

.fc-card.is-flipped .fc-card-inner {
  transform: rotateY(180deg);
}

.fc-card-face {
  position: absolute;
  inset: 0;
  backface-visibility: hidden;
  -webkit-backface-visibility: hidden;
  border-radius: 20px;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  gap: 10px;
  padding: 24px;
  box-sizing: border-box;
  text-align: center;
  box-shadow: 0 14px 40px rgba(12,26,50,.13), 0 4px 10px rgba(12,26,50,.06);
  border: 1.5px solid rgba(22,57,93,.13);
}

.fc-card-front {
  background: #ffffff;
}

.fc-card-back {
  background: linear-gradient(145deg, #0f2244, #162e52);
  border-color: rgba(255,255,255,.06);
  transform: rotateY(180deg);
}

.fc-face-label {
  font-size: 0.65rem;
  font-weight: 800;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  opacity: .45;
}

.fc-card-front .fc-face-label { color: #1e3a58; }
.fc-card-back  .fc-face-label { color: #c8deff; }

.fc-word {
  margin: 0;
  font-size: clamp(1.4rem, 5vw, 2rem);
  font-weight: 800;
  line-height: 1.25;
  letter-spacing: .01em;
}

.fc-card-front .fc-word { color: #102740; }
.fc-card-back  .fc-word { color: #e8f4ff; }

/* Flip hint */
.fc-flip-hint {
  margin: 0;
  font-size: 0.75rem;
  color: #a0b4c8;
  display: flex;
  align-items: center;
  gap: 4px;
}

.fc-flip-hint kbd {
  background: rgba(22,57,93,.08);
  border: 1px solid rgba(22,57,93,.14);
  border-radius: 4px;
  padding: 1px 5px;
  font-family: inherit;
  font-size: 0.7rem;
  color: #5a7a96;
}

/* ── Action buttons ── */
.fc-actions {
  display: flex;
  gap: 14px;
  flex-wrap: wrap;
  justify-content: center;
}

.fc-btn {
  display: flex;
  align-items: center;
  gap: 8px;
  padding: 12px 28px !important;
  border-radius: 14px !important;
  font-size: 0.95rem !important;
  font-weight: 800 !important;
  letter-spacing: 0.02em;
  border: 2px solid transparent !important;
  cursor: pointer;
  transition: transform .18s, box-shadow .18s, background .18s;
  min-width: 148px;
  justify-content: center;
  position: relative;
}

.fc-btn:hover { transform: translateY(-2px); }

.fc-btn--know {
  background: linear-gradient(135deg, #22c55e, #16a34a) !important;
  color: #ffffff !important;
  box-shadow: 0 8px 22px rgba(22,163,74,.3) !important;
}

.fc-btn--know:hover {
  box-shadow: 0 12px 30px rgba(22,163,74,.4) !important;
}

.fc-btn--dont {
  background: linear-gradient(135deg, #f87171, #dc2626) !important;
  color: #ffffff !important;
  border-color: transparent !important;
  box-shadow: 0 8px 24px rgba(220,38,38,.3) !important;
}

.fc-btn--dont:hover {
  box-shadow: 0 14px 32px rgba(220,38,38,.42) !important;
}

.fc-btn-icon { font-size: 1.1em; }

.fc-kbd {
  position: absolute;
  right: 10px;
  top: 50%;
  transform: translateY(-50%);
  font-size: 0.68rem;
  font-family: inherit;
  background: rgba(0,0,0,.08);
  border: 1px solid rgba(0,0,0,.12);
  border-radius: 4px;
  padding: 1px 5px;
  opacity: .6;
}

/* ── Done screen ── */
.fc-done-screen {
  width: 100%;
  display: flex;
  justify-content: center;
}

.fc-done-card {
  width: min(420px, 100%);
  background: #ffffff;
  border-radius: 22px;
  border: 1.5px solid rgba(22,57,93,.12);
  box-shadow: 0 18px 48px rgba(12,26,50,.13);
  padding: 34px 28px;
  text-align: center;
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 10px;
}

.fc-done-emoji { font-size: 2.8rem; line-height: 1; }

.fc-done-title {
  margin: 0;
  font-size: 1.4rem;
  font-weight: 900;
  color: #102740;
  letter-spacing: .01em;
}

.fc-done-stat {
  margin: 0;
  font-size: 1rem;
  color: #4a6480;
}

.fc-done-stat strong { color: #102740; }

.fc-done-actions {
  display: flex;
  gap: 10px;
  flex-wrap: wrap;
  justify-content: center;
  margin-top: 6px;
}

.fc-done-btn {
  padding: 11px 22px !important;
  border-radius: 12px !important;
  font-weight: 800 !important;
  font-size: 0.9rem !important;
}

.fc-done-btn--retry {
  background: linear-gradient(135deg, #f59e0b, #d97706) !important;
  color: #fff !important;
  border: none !important;
  box-shadow: 0 6px 18px rgba(217,119,6,.3) !important;
}

.fc-done-btn--restart {
  background: #fff !important;
  color: #1e3a58 !important;
  border: 1.5px solid rgba(22,57,93,.2) !important;
}

/* ── Keyboard hint strip ── */
.fc-keyboard-hint {
  margin: 0;
  font-size: 0.72rem;
  color: #b0c4d8;
  display: flex;
  gap: 2px;
}

.fc-keyboard-hint kbd {
  background: rgba(22,57,93,.07);
  border: 1px solid rgba(22,57,93,.13);
  border-radius: 4px;
  padding: 1px 5px;
  font-family: inherit;
  font-size: 0.68rem;
  color: #7a90a8;
}

@media (max-width: 480px) {
  .fc-card { height: 200px; }
  .fc-keyboard-hint { display: none; }
  .fc-kbd { display: none; }
  .fc-btn { min-width: 120px; padding: 11px 20px !important; }
}

/* ── Dark theme ── */
[data-theme="dark"] .fc-page {
  background:
    linear-gradient(180deg, rgba(9,18,34,.98), rgba(6,12,24,.95)),
    repeating-linear-gradient(0deg, rgba(255,255,255,.025) 0px, rgba(255,255,255,.025) 1px, transparent 1px, transparent 28px),
    repeating-linear-gradient(90deg, rgba(255,255,255,.025) 0px, rgba(255,255,255,.025) 1px, transparent 1px, transparent 28px);
}

[data-theme="dark"] .fc-selector-label { color: #6a86a8; }

[data-theme="dark"] .fc-select {
  background-color: #0f1e38;
  background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='12' height='7' viewBox='0 0 12 7'%3E%3Cpath d='M1 1l5 5 5-5' stroke='%236a86a8' stroke-width='1.6' fill='none' stroke-linecap='round'/%3E%3C/svg%3E");
  border-color: rgba(255,255,255,.12);
  color: #d8e8ff;
}

[data-theme="dark"] .fc-select:focus { border-color: #6366f1; }

[data-theme="dark"] .fc-progress-track { background: rgba(255,255,255,.08); }

[data-theme="dark"] .fc-progress-text { color: #5a7a96; }

[data-theme="dark"] .fc-card-face {
  box-shadow: 0 14px 40px rgba(0,0,0,.4);
}

[data-theme="dark"] .fc-card-front {
  background: linear-gradient(160deg, #0f1e38 0%, #0a1628 100%);
  border-color: rgba(255,255,255,.08);
}

[data-theme="dark"] .fc-card-front .fc-face-label { color: #9bb8d8; }
[data-theme="dark"] .fc-card-front .fc-word { color: #e8f4ff; }

[data-theme="dark"] .fc-flip-hint { color: #4a6480; }

[data-theme="dark"] .fc-flip-hint kbd,
[data-theme="dark"] .fc-keyboard-hint kbd {
  background: rgba(255,255,255,.05);
  border-color: rgba(255,255,255,.12);
  color: #5a7a96;
}

[data-theme="dark"] .fc-btn--dont {
  background: rgba(255,255,255,.05) !important;
  border-color: rgba(224,100,100,.4) !important;
  box-shadow: 0 4px 14px rgba(0,0,0,.2) !important;
}

[data-theme="dark"] .fc-btn--dont:hover {
  background: rgba(224,59,59,.1) !important;
}

[data-theme="dark"] .fc-done-card {
  background: linear-gradient(160deg, #0f1e38 0%, #0a1628 100%);
  border-color: rgba(255,255,255,.1);
  box-shadow: 0 18px 48px rgba(0,0,0,.4);
}

[data-theme="dark"] .fc-done-title { color: #e8f0ff; }
[data-theme="dark"] .fc-done-stat  { color: #9bb8d8; }
[data-theme="dark"] .fc-done-stat strong { color: #e8f0ff; }

[data-theme="dark"] .fc-done-btn--restart {
  background: rgba(255,255,255,.06) !important;
  color: #d8e8ff !important;
  border-color: rgba(255,255,255,.14) !important;
}

[data-theme="dark"] .fc-keyboard-hint { color: #344a60; }

.admin-lesson-edit-title {
  margin: 0;
  font-size: 22px;
  font-weight: 800;
  color: #1c2a4a;
}

.admin-lesson-theme-row {
  margin-bottom: 14px;
}

.admin-lesson-edit-grid {
  display: grid;
  grid-template-columns: 1fr 220px 1.2fr;
  gap: 18px;
  align-items: start;
}

.admin-lesson-cover-preview {
  width: 100%;
  aspect-ratio: 16/9;
  border-radius: 16px;
  border: 1px solid #e6edf6;
  background: #f5f8fd;
  overflow: hidden;
  display: flex;
  align-items: center;
  justify-content: center;
  margin-bottom: 10px;
}

.admin-lesson-cover-preview img {
  width: 100%;
  height: 100%;
  object-fit: cover;
}

.admin-lesson-cover-actions {
  display: flex;
  gap: 10px;
  margin-top: 10px;
}

.admin-lesson-buttons-col {
  display: flex;
  flex-direction: column;
  gap: 14px;
  align-items: stretch;
  justify-content: center;
}

.admin-lesson-pill {
  border: none;
  border-radius: 999px;
  padding: 16px 18px;
  font-weight: 900;
  font-size: 18px;
  cursor: pointer;
  color: #ffffff;
}

.admin-lesson-pill-tasks {
  background: linear-gradient(135deg, #2ecc71, #12b886);
}

.admin-lesson-pill-homework {
  background: linear-gradient(135deg, #ff9800, #ff5252);
}

.admin-lesson-pill-presentation {
  background: linear-gradient(135deg, #7c4dff, #536dfe);
}

.admin-lesson-video-preview {
  width: 100%;
  aspect-ratio: 16/9;
  border-radius: 16px;
  border: 1px solid #e6edf6;
  background: #0f172a;
  overflow: hidden;
  margin-bottom: 10px;
}

.admin-lesson-video-preview iframe {
  width: 100%;
  height: 100%;
  border: 0;
}

.admin-lesson-video-placeholder {
  padding: 14px;
  color: #e2e8f0;
  font-size: 14px;
}

.admin-lesson-edit-footer {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 12px;
  margin-top: 14px;
}

.admin-lesson-save {
  padding: 12px 22px;
  border-radius: 999px;
  font-weight: 900;
}

.admin-lessons-confirm-card {
  padding: 22px;
}

.admin-lessons-confirm-card h3 {
  margin: 0 0 6px;
  color: #1c2a4a;
}

.admin-quiz-editor-card {
  padding: 18px;
  max-height: min(84vh, 980px);
  overflow: auto;
}

.admin-quiz-reorder-card {
  width: min(740px, 96vw);
  max-height: min(84vh, 980px);
}

.admin-quiz-reorder-list {
  display: flex;
  flex-direction: column;
  gap: 12px;
  overflow: auto;
  padding: 6px;
  max-height: min(70vh, 760px);
}

.admin-quiz-reorder-row {
  display: flex;
  align-items: center;
  gap: 14px;
  padding: 14px 16px;
  border-radius: 18px;
  border: 1px solid #e6edf6;
  background: #f8fbff;
  cursor: pointer;
}

.admin-quiz-reorder-row.is-current {
  border-color: rgba(30, 136, 229, 0.35);
  background: #eef6ff;
}

.admin-quiz-reorder-row.is-dragging {
  opacity: 0.88;
  box-shadow: 0 18px 40px rgba(19, 42, 70, 0.16);
  transform: scale(1.01);
}

.admin-quiz-reorder-handle {
  width: 44px;
  height: 44px;
  border-radius: 14px;
  background: #eef2f7;
  cursor: grab;
  flex: 0 0 auto;
  position: relative;
}

.admin-quiz-reorder-handle::before {
  content: "";
  position: absolute;
  inset: 0;
  margin: auto;
  width: 18px;
  height: 18px;
  background: radial-gradient(circle, rgba(28, 42, 74, 0.7) 2px, transparent 3px) 0 0 / 6px 6px;
}

.admin-quiz-reorder-meta {
  flex: 1 1 auto;
  min-width: 0;
}

.admin-quiz-reorder-title {
  font-weight: 900;
  color: #1c2a4a;
}

.admin-quiz-reorder-sub {
  color: #4a5a77;
  font-size: 14px;
  margin-top: 2px;
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
}

.admin-quiz-topbar {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 12px;
  margin-bottom: 12px;
}

.admin-quiz-q-label {
  font-weight: 900;
  color: #1c2a4a;
}

.admin-quiz-options {
  display: grid;
  gap: 10px;
  margin: 12px 0;
}

.admin-quiz-option {
  display: grid;
  grid-template-columns: 26px 18px 1fr;
  align-items: center;
  gap: 12px;
  padding: 10px 12px;
  border: 1px solid #e6edf6;
  border-radius: 14px;
  background: #f8fbff;
}

.admin-quiz-option-key {
  font-weight: 900;
  color: #1c2a4a;
}

.admin-quiz-option-input {
  width: 100%;
  box-sizing: border-box;
  padding: 10px 12px;
  border-radius: 12px;
  border: 1px solid #d9e1ee;
}