/* ========================================
   PREMIUM ADULT DARK THEME OVERRIDE
   ======================================== */

@import url('https://fonts.googleapis.com/css2?family=Inter:wght@400;500;600;700;800&display=swap');
@import url('https://fonts.googleapis.com/css2?family=Kalam:wght@300;400;700&display=swap');

:root {
  /* Override global variables from style.css */
  --bg-primary: #0f172a !important;
  --bg-secondary: #1e293b !important;
  --bg-card: #1e293b !important;
  --bg-game: linear-gradient(135deg, #0f172a 0%, #1e293b 100%) !important;
  
  --accent-1: #6366f1 !important; /* Indigo */
  --accent-2: #8b5cf6 !important; /* Violet */
  --accent-3: #10b981 !important; /* Emerald */
  --accent-4: #3b82f6 !important; /* Blue */
  --accent-5: #ec4899 !important; /* Pink */
  
  --text-primary: #f8fafc !important;
  --text-secondary: #cbd5e1 !important;
  --text-muted: #94a3b8 !important;
  
  --shadow-soft: 0 4px 20px rgba(0, 0, 0, 0.4) !important;
  --font: 'Inter', -apple-system, BlinkMacSystemFont, sans-serif !important;
}

/* Global Elements */
body, html, .screen {
  background-color: var(--bg-primary) !important;
  color: var(--text-primary) !important;
  font-family: var(--font);
}

body::before {
  background: radial-gradient(circle at 15% 50%, rgba(99, 102, 241, 0.05), transparent 25%),
              radial-gradient(circle at 85% 30%, rgba(139, 92, 246, 0.05), transparent 25%) !important;
}

#home-screen {
  background-color: var(--bg-primary) !important;
  position: relative !important;
  z-index: 1 !important;
}
#home-screen::before {
  content: "" !important;
  position: absolute !important;
  top: 0 !important;
  left: 0 !important;
  width: 100% !important;
  height: 100% !important;
  background-image: url('../img/background/background.png') !important;
  background-size: cover !important;
  background-position: center !important;
  background-attachment: fixed !important;
  filter: blur(6px) brightness(0.35) !important;
  z-index: -1 !important;
}

.home-title {
  font-family: 'Dancing Script', cursive !important;
  color: initial !important;
  background: linear-gradient(135deg, #4ade80, #10b981) !important;
  -webkit-background-clip: text !important;
  -webkit-text-fill-color: transparent !important;
  text-shadow: none !important;
  filter: drop-shadow(0 4px 8px rgba(0, 0, 0, 0.6)) !important;
  letter-spacing: normal !important;
}

.home-subtitle {
  color: var(--text-secondary) !important;
  font-weight: 400 !important;
  text-shadow: none !important;
}

.top-bar {
  background: rgba(15, 23, 42, 0.8) !important;
  border-bottom: 1px solid rgba(255,255,255,0.05) !important;
}
.top-bar-title {
  color: var(--text-primary) !important;
}
.btn-icon {
  background: rgba(255,255,255,0.05) !important;
  color: var(--text-secondary) !important;
}
.btn-icon:hover {
  background: rgba(255,255,255,0.1) !important;
  color: var(--text-primary) !important;
}

/* Buttons */
.btn-start {
  border-radius: 12px !important;
  font-family: var(--font) !important;
  font-weight: 600 !important;
  letter-spacing: 0.5px !important;
  text-transform: uppercase !important;
  font-size: 1rem !important;
}
.btn-books-main {
  background: linear-gradient(135deg, #58cc02, #46a302) !important; /* Duolingo Green */
  box-shadow: 0 4px 15px rgba(88, 204, 2, 0.3) !important;
}
.btn-courses-main {
  background: linear-gradient(135deg, #8b5cf6, #7c3aed) !important;
  box-shadow: 0 4px 15px rgba(139, 92, 246, 0.3) !important;
}

/* Admin UI */
.admin-modal-content, .admin-dashboard-container {
  background: #ffffff !important;
  border: 1px solid rgba(0,0,0,0.1) !important;
  color: #1e293b !important;
  box-shadow: 0 25px 50px -12px rgba(0,0,0,0.5) !important;
}

/* About Me Modal Override */
.about-modal .admin-modal-content {
  background: var(--bg-secondary) !important;
  border: 1px solid rgba(255,255,255,0.1) !important;
  color: var(--text-primary) !important;
}
.about-modal .admin-modal-content h1, .about-modal .admin-modal-content h2, .about-modal .admin-modal-content h3, .about-modal .admin-modal-content h4 {
  color: var(--text-primary) !important;
}

.admin-modal-content h1, .admin-modal-content h2, .admin-modal-content h3, .admin-modal-content h4,
.admin-dashboard-container h1, .admin-dashboard-container h2, .admin-dashboard-container h3, .admin-dashboard-container h4 {
  color: #0f172a !important;
}

.admin-dashboard-header {
  border-bottom: 1px solid rgba(0,0,0,0.1) !important;
}
.admin-tabs {
  border-bottom: 1px solid rgba(0,0,0,0.1) !important;
}
.admin-tab {
  color: #64748b !important;
}
.admin-tab.active {
  color: #0f172a !important;
  font-weight: bold !important;
}
.admin-tab.active::after {
  background: #1e293b !important;
}
.admin-setting-card, .admin-story-card, .course-admin-card {
  background: #f8fafc !important;
  border: 1px solid rgba(0,0,0,0.1) !important;
  color: #1e293b !important;
}
.admin-setting-card h3, .admin-story-info h4 {
  color: #0f172a !important;
}
.admin-setting-card p {
  color: #475569 !important;
}
input[type="text"], input[type="password"] {
  background: #ffffff !important;
  border: 1px solid rgba(0,0,0,0.3) !important;
  color: #0f172a !important;
}
.admin-modal-content .btn-primary, .admin-dashboard-container .btn-primary {
  background: #000000 !important;
  color: #ffffff !important;
  border: none !important;
}
.admin-modal-content .btn-primary *, .admin-dashboard-container .btn-primary * {
  color: #ffffff !important;
}

/* Books & Courses Overrides (books.css & courses.css) */
#books-screen, #courses-screen {
  background: var(--bg-primary) !important;
}

.book-card, .course-card {
  background: var(--bg-secondary) !important;
  border: 1px solid rgba(255,255,255,0.08) !important;
  color: var(--text-primary) !important;
  box-shadow: 0 4px 6px rgba(0,0,0,0.2) !important;
}
.book-card:hover, .course-card:hover {
  border-color: var(--accent-1) !important;
  background: rgba(255,255,255,0.05) !important;
}
.book-card-info h3, .course-card-info h3 {
  color: var(--text-primary) !important;
}
.book-card-info p, .course-card-info p {
  color: var(--text-muted) !important;
}
.book-card-icon, .course-card-icon {
  background: rgba(0,0,0,0.2) !important;
}


/* Popups / Overlays */
.word-card-container, .story-quiz-content, .feedback-content, .course-quiz-content {
  background: var(--bg-secondary) !important;
  border: 1px solid rgba(255,255,255,0.1) !important;
  color: var(--text-primary) !important;
  box-shadow: 0 25px 50px -12px rgba(0,0,0,0.6) !important;
}
.word-card-header h2, .word-card-title, .story-quiz-header h2 {
  color: var(--text-primary) !important;
}
.word-card-section strong {
  color: var(--text-primary) !important;
}
.quiz-item {
  background: rgba(0,0,0,0.2) !important;
  border: 1px solid rgba(255,255,255,0.1) !important;
}
.quiz-item label {
  color: var(--text-primary) !important;
}
.quiz-option {
  background: rgba(255,255,255,0.05) !important;
  border: 1px solid rgba(255,255,255,0.1) !important;
  color: var(--text-secondary) !important;
}
.quiz-option:hover:not([disabled]) {
  background: rgba(255,255,255,0.1) !important;
  border-color: var(--accent-1) !important;
}
.quiz-option.selected {
  background: rgba(99, 102, 241, 0.2) !important;
  border-color: var(--accent-1) !important;
  color: white !important;
}

/* Hide dark mode toggle since it's always dark now */
.dark-mode-toggle {
  display: none !important;
}

/* ============================================================
   EDITORIAL PLAY — SOFT NEO-BRUTALIST VISUAL SYSTEM
   Visual overrides only: interaction and application logic stay intact.
   ============================================================ */
:root {
  --ink: #20231f;
  --paper: #f6f0df;
  --paper-warm: #fff9eb;
  --coral: #ff6b4a;
  --sun: #f4c84a;
  --mint: #71d7b3;
  --sky: #79b8ff;
  --lavender: #bba5ff;
  --soft-shadow: 5px 5px 0 var(--ink);
  --small-shadow: 3px 3px 0 var(--ink);
  --font: 'Inter', 'Segoe UI', sans-serif !important;
  --bg-primary: var(--paper) !important;
  --bg-secondary: var(--paper-warm) !important;
  --bg-card: #fffdf7 !important;
  --text-primary: var(--ink) !important;
  --text-secondary: #4d514a !important;
  --text-muted: #70756c !important;
}

html, body, body[data-theme], .screen {
  background: var(--paper) !important;
  color: var(--ink) !important;
}

body::before {
  opacity: .55;
  background-image: radial-gradient(rgba(32,35,31,.17) 1px, transparent 1px) !important;
  background-size: 19px 19px !important;
}

#home-screen {
  justify-content: flex-start !important;
  min-height: 100dvh;
  padding: clamp(88px, 13vh, 130px) 24px 38px !important;
  gap: 22px !important;
  overflow-y: auto !important;
  background: var(--paper) !important;
}

#home-screen::before {
  background: none !important;
  filter: none !important;
}

#home-screen::after {
  content: '' !important;
  position: absolute;
  inset: 20px 18px auto auto;
  width: clamp(90px, 15vw, 170px);
  aspect-ratio: 1;
  border: 3px solid var(--ink);
  border-radius: 46% 54% 64% 36% / 47% 38% 62% 53%;
  background: var(--sun) !important;
  opacity: 1 !important;
  transform: rotate(9deg);
  box-shadow: var(--soft-shadow);
  pointer-events: none;
}

#home-screen > * { position: relative; z-index: 2; }

#home-screen > a:first-child {
  background: var(--paper-warm) !important;
  color: var(--ink) !important;
  border: 2px solid var(--ink) !important;
  border-radius: 999px !important;
  box-shadow: 2px 2px 0 var(--ink);
  text-transform: uppercase;
  letter-spacing: .07em;
  font-size: .7rem !important;
}

.home-title {
  max-width: 920px;
  margin-top: 12px;
  font-family: 'Inter', 'Segoe UI', sans-serif !important;
  font-size: clamp(3.25rem, 10vw, 7.8rem) !important;
  font-weight: 800 !important;
  line-height: .86 !important;
  letter-spacing: -.075em !important;
  color: var(--ink) !important;
  background: none !important;
  -webkit-text-fill-color: var(--ink) !important;
  filter: none !important;
  text-shadow: none !important;
}

.home-title::after {
  content: 'IDIOMAS PARA LA VIDA REAL';
  display: block;
  width: max-content;
  max-width: 90vw;
  margin: 20px auto 0;
  padding: 8px 14px 7px;
  border: 2px solid var(--ink);
  background: var(--mint);
  box-shadow: var(--small-shadow);
  font-size: clamp(.7rem, 1.5vw, .9rem);
  letter-spacing: .14em;
  line-height: 1;
  transform: rotate(-1.5deg);
}

.home-buttons {
  max-width: 820px !important;
  gap: 18px !important;
}

.btn-start, .btn-primary, .btn-secondary {
  border: 2px solid var(--ink) !important;
  border-radius: 16px !important;
  box-shadow: var(--small-shadow) !important;
  font-family: var(--font) !important;
  font-weight: 800 !important;
  letter-spacing: -.01em !important;
  text-transform: none !important;
  transition: transform .16s ease, box-shadow .16s ease !important;
}

.btn-start:hover, .btn-primary:hover, .btn-secondary:hover {
  transform: translate(-2px, -2px) rotate(-.35deg) !important;
  box-shadow: 6px 6px 0 var(--ink) !important;
}

.btn-start:active, .btn-primary:active, .btn-secondary:active {
  transform: translate(3px, 3px) !important;
  box-shadow: 0 0 0 var(--ink) !important;
}

.btn-books-main {
  min-height: 82px;
  background: var(--mint) !important;
  color: var(--ink) !important;
}

.btn-courses-main {
  min-height: 82px;
  background: var(--coral) !important;
  color: var(--ink) !important;
}

.btn-lang { background: var(--lavender) !important; color: var(--ink) !important; }

.home-donate {
  max-width: 680px;
  margin-top: 12px !important;
}

.home-donate p {
  color: var(--ink) !important;
  background: #fffdf7 !important;
  border: 2px solid var(--ink);
  border-radius: 12px !important;
  text-shadow: none !important;
  box-shadow: var(--small-shadow);
  padding: 12px 16px !important;
}

.home-donate a {
  margin-top: 6px;
  background: var(--sky) !important;
  color: var(--ink) !important;
  border: 2px solid var(--ink) !important;
  border-radius: 999px !important;
  box-shadow: var(--small-shadow) !important;
}

.home-footer { padding-top: 4px !important; }
.home-footer a, .home-footer button { background: #fffdf7 !important; color: var(--ink) !important; border-color: var(--ink) !important; }

.top-bar {
  background: rgba(246,240,223,.96) !important;
  border-bottom: 2px solid var(--ink) !important;
  box-shadow: 0 3px 0 rgba(32,35,31,.12);
  backdrop-filter: blur(10px);
}

.top-bar-title { color: var(--ink) !important; font-weight: 800 !important; letter-spacing: -.03em; }
.btn-icon, .btn-icon-small {
  background: #fffdf7 !important;
  color: var(--ink) !important;
  border: 2px solid var(--ink) !important;
  box-shadow: 2px 2px 0 var(--ink);
}

#books-screen, #courses-screen { background: var(--paper) !important; }

.books-grid, .courses-grid { max-width: 920px !important; gap: 18px !important; padding: 28px 20px 60px !important; }

.book-card, .course-card {
  min-height: 92px;
  padding: 18px !important;
  background: #fffdf7 !important;
  color: var(--ink) !important;
  border: 2px solid var(--ink) !important;
  border-left-width: 2px !important;
  border-radius: 18px !important;
  box-shadow: var(--soft-shadow) !important;
  transition: transform .17s ease, box-shadow .17s ease !important;
}

.book-card:nth-child(4n+1), .course-card:nth-child(4n+1) { background: #f4c84a !important; transform: rotate(-.35deg); }
.book-card:nth-child(4n+2), .course-card:nth-child(4n+2) { background: #c9f0e1 !important; transform: rotate(.25deg); }
.book-card:nth-child(4n+3), .course-card:nth-child(4n+3) { background: #dceafe !important; }
.book-card:nth-child(4n), .course-card:nth-child(4n) { background: #eadfff !important; transform: rotate(-.2deg); }

.book-card:hover, .course-card:hover {
  border-color: var(--ink) !important;
  transform: translate(-3px,-3px) rotate(.25deg) !important;
  box-shadow: 8px 8px 0 var(--ink) !important;
}

.book-card-info h3, .course-card-info h3 { color: var(--ink) !important; font-size: 1.08rem !important; letter-spacing: -.025em; }
.book-card-info p, .course-card-info p { color: #555b52 !important; font-size: .8rem !important; }
.book-card-icon, .course-card-icon { background: #fffdf7 !important; border: 2px solid var(--ink); border-radius: 50% 45% 52% 48% !important; }

.admin-modal { background: rgba(32,35,31,.65) !important; backdrop-filter: blur(4px); }
.admin-modal-content, .admin-dashboard-container, .word-card-container, .story-quiz-content, .feedback-content, .course-quiz-content {
  background: var(--paper-warm) !important;
  color: var(--ink) !important;
  border: 3px solid var(--ink) !important;
  border-radius: 22px !important;
  box-shadow: 10px 10px 0 var(--ink) !important;
}
.admin-modal-content h1, .admin-modal-content h2, .admin-modal-content h3,
.admin-dashboard-container h1, .admin-dashboard-container h2, .admin-dashboard-container h3 { color: var(--ink) !important; }
.admin-setting-card, .admin-story-card, .course-admin-card, .quiz-item, .quiz-option {
  background: #fffdf7 !important;
  color: var(--ink) !important;
  border: 2px solid var(--ink) !important;
  border-radius: 14px !important;
  box-shadow: 3px 3px 0 var(--ink) !important;
}
input[type="text"], input[type="password"], textarea, select {
  background: #fffdf7 !important;
  color: var(--ink) !important;
  border: 2px solid var(--ink) !important;
  border-radius: 12px !important;
}

@media (max-width: 600px) {
  #home-screen { padding: 86px 16px 30px !important; }
  #home-screen::after { width: 82px; right: 12px; top: 18px; box-shadow: 3px 3px 0 var(--ink); }
  .home-title { font-size: clamp(3rem, 16vw, 5rem) !important; }
  .home-title::after { margin-top: 16px; }
  .home-buttons { grid-template-columns: 1fr !important; }
  .btn-start { min-height: 68px; }
  .home-donate { margin-bottom: 0 !important; }
  .book-card, .course-card { box-shadow: 4px 4px 0 var(--ink) !important; }
}

@media (prefers-reduced-motion: reduce) {
  *, *::before, *::after { animation-duration: .01ms !important; transition-duration: .01ms !important; }
}

/* Theme control stays accessible without making the home page taller. */
.theme-toggle {
  position: fixed !important;
  top: 14px;
  left: 50%;
  transform: translateX(-50%);
  z-index: 10001;
}
.theme-toggle:hover { transform: translateX(-50%) translate(-2px,-2px) rotate(1deg); }
.theme-toggle:active { transform: translateX(-50%) translate(2px,2px); }

/* Compact desktop composition: the complete home fits common laptop displays. */
@media (min-width: 701px) and (max-height: 900px) {
  #home-screen { padding: 62px 20px 14px !important; gap: 10px !important; }
  .home-title { font-size: clamp(3.7rem, 8vh, 5.4rem) !important; line-height: .88 !important; margin-top: 0 !important; }
  .home-title::after { margin-top: 12px !important; padding: 6px 12px !important; }
  .home-buttons { gap: 14px !important; }
  .btn-books-main, .btn-courses-main { min-height: 62px !important; }
  .btn-lang { min-height: 48px !important; padding-block: 10px !important; }
  .home-donate { margin-top: 4px !important; margin-bottom: 2px !important; }
  .home-donate p { margin-bottom: 6px !important; padding: 8px 12px !important; }
  .home-donate a { padding-block: 6px !important; }
  .home-footer { padding: 4px 10px !important; gap: 8px !important; }
}

/* Recommendations modal brought into the same editorial system. */
.course-rec-card {
  background: var(--paper-warm) !important;
  color: #20231f !important;
  border: 2px solid #20231f;
  border-radius: 18px !important;
  box-shadow: 7px 7px 0 #20231f !important;
}
.course-rec-title { color: #20231f !important; font-weight: 900; letter-spacing: -.03em; }
.course-rec-title > .material-symbols-rounded {
  display: grid; place-items: center; width: 38px; height: 38px;
  color: #20231f; background: #ffd6d8; border: 2px solid #20231f; border-radius: 50%;
}
.course-rec-item {
  align-items: center !important;
  padding: 12px;
  background: #fffdf8;
  border: 2px solid #20231f;
  border-radius: 12px;
}
.course-rec-item > .material-symbols-rounded { line-height: 1; color: #20231f !important; }
.course-rec-mail {
  background: #c9b8ff !important;
  color: #20231f !important;
  border: 2px solid #20231f;
  border-radius: 12px !important;
  box-shadow: 3px 3px 0 #20231f !important;
}
.course-rec-mail > .material-symbols-rounded { line-height: 1; }
.course-rec-close { color: #20231f !important; }

/* Explicit dark contrast for language selection and recommendation content. */
[data-theme="dark"] .lang-dropdown { background: rgba(5,5,6,.78) !important; }
[data-theme="dark"] .lang-overlay-content {
  background: #242326 !important;
  color: #f6f3eb !important;
  border-color: #f6f3eb !important;
}
[data-theme="dark"] .lang-title,
[data-theme="dark"] .lang-name { color: #f6f3eb !important; }
[data-theme="dark"] .lang-option {
  background: #313034 !important;
  color: #f6f3eb !important;
  border-color: #6f6b74 !important;
  box-shadow: 3px 3px 0 #050506 !important;
}
[data-theme="dark"] .lang-option:hover {
  background: #413e47 !important;
  color: #ffffff !important;
  border-color: #c9b8ff !important;
}
[data-theme="dark"] .lang-option.active {
  background: #c9b8ff !important;
  color: #171719 !important;
  border-color: #f6f3eb !important;
}
[data-theme="dark"] .lang-option.active .lang-name { color: #171719 !important; }
[data-theme="dark"] .lang-check { color: #171719 !important; }
[data-theme="dark"] .lang-close-btn { background: #313034 !important; color: #f6f3eb !important; border: 1px solid #6f6b74; }
[data-theme="dark"] .course-rec-card { background: #242326 !important; color: #f6f3eb !important; border-color: #f6f3eb; box-shadow: 7px 7px 0 #050506 !important; }
[data-theme="dark"] .course-rec-title { color: #f6f3eb !important; }
[data-theme="dark"] .course-rec-item { background: #313034; color: #f6f3eb; border-color: #6f6b74; }
[data-theme="dark"] .course-rec-close { color: #f6f3eb !important; }

/* Cleaner menu icons: no enclosing circle. */
.book-card-icon, .course-card-icon,
[data-theme="dark"] .book-card-icon,
[data-theme="dark"] .course-card-icon {
  background: transparent !important;
  border: 0 !important;
  border-radius: 0 !important;
  box-shadow: none !important;
}

/* Single-line masthead and readable primary navigation in both themes. */
.home-title {
  width: min-content;
  max-width: calc(100vw - 32px);
  white-space: nowrap !important;
  font-size: clamp(2.15rem, 8.1vw, 6.5rem) !important;
  line-height: .95 !important;
  letter-spacing: -.065em !important;
}
.btn-books-main, .btn-courses-main,
.btn-books-main *, .btn-courses-main *,
.btn-lang, .btn-lang *,
.home-donate a, .home-donate a * {
  color: #171719 !important;
  -webkit-text-fill-color: #171719 !important;
}

@media (min-width: 701px) and (max-height: 900px) {
  .home-title {
    font-size: clamp(3.2rem, 7.2vw, 5.7rem) !important;
    line-height: .95 !important;
  }
}

@media (max-width: 600px) {
  .home-title {
    font-size: clamp(2.05rem, 8.6vw, 3rem) !important;
    letter-spacing: -.055em !important;
  }
}

/* Toasts and general alerts */
.swal2-popup {
  background: var(--bg-secondary) !important;
  color: var(--text-primary) !important;
}
.swal2-title, .swal2-html-container {
  color: var(--text-primary) !important;
}



/* Language & Broadcast Dropdown Fixes */
.lang-dropdown {
  background: rgba(15, 23, 42, 0.95) !important;
}
.lang-overlay-content {
  background: var(--bg-secondary) !important;
  border-color: rgba(255,255,255,0.1) !important;
  color: var(--text-primary) !important;
}
.lang-title {
  color: var(--text-primary) !important;
}
.lang-option {
  background: rgba(255,255,255,0.05) !important;
  border-color: rgba(255,255,255,0.1) !important;
  color: var(--text-primary) !important;
}
.lang-option:hover {
  background: rgba(255,255,255,0.1) !important;
  border-color: var(--accent-1) !important;
}
.lang-option.active {
  background: rgba(99, 102, 241, 0.2) !important;
  border-color: var(--accent-1) !important;
  color: white !important;
}
.lang-close-btn {
  background: rgba(255,255,255,0.1) !important;
  color: var(--text-secondary) !important;
}
.lang-close-btn:hover {
  background: rgba(255,255,255,0.2) !important;
  color: white !important;
}

/* Scrollbars */
::-webkit-scrollbar {
  width: 8px;
  height: 8px;
}
::-webkit-scrollbar-track {
  background: var(--bg-primary);
}
::-webkit-scrollbar-thumb {
  background: rgba(255,255,255,0.2);
  border-radius: 4px;
}
::-webkit-scrollbar-thumb:hover {
  background: rgba(255,255,255,0.3);
}

/* Teacher Whiteboard Modal (Outside Dark, Inside Original) */
.teacher-wb-modal {
  background: var(--bg-primary) !important;
}

/* Floating Toolbar at the bottom */
.teacher-wb-modal > div:first-child {
  background: rgba(30, 41, 59, 0.95) !important;
  border: 1px solid rgba(255,255,255,0.1) !important;
  box-shadow: 0 10px 30px rgba(0,0,0,0.5) !important;
}

/* Toolbar Buttons */
.teacher-wb-modal > div:first-child button {
  color: var(--text-primary) !important;
  background: rgba(255,255,255,0.05) !important;
}
.teacher-wb-modal > div:first-child button.active {
  background: var(--accent-1) !important;
  color: white !important;
}

/* Top Header Video Input Pill */
.teacher-wb-modal > div:nth-child(2) > div:first-child > div:first-child {
  background: var(--bg-secondary) !important;
  border: 1px solid rgba(255,255,255,0.1) !important;
}

/* Top Header Close Button */
.teacher-wb-modal > div:nth-child(2) > div:first-child > button {
  background: var(--bg-secondary) !important;
  border: 1px solid rgba(255,255,255,0.1) !important;
  color: var(--text-primary) !important;
}

/* YouTube Icon Button */
.teacher-wb-modal button[onclick*="toggleVideoInput"] {
  color: var(--accent-1) !important;
  background: transparent !important;
  border: none !important;
}

/* YouTube Input Field */
#course-video-input,
#broadcast-room-code {
  color: var(--text-primary) !important;
  background: var(--bg-surface-elevated) !important;
  border-color: var(--border-color) !important;
}
#course-video-input::placeholder {
  color: var(--text-muted) !important;
}

/* Level Grid & Cards for Adults */
.levels-grid {
  display: grid !important;
  grid-template-columns: repeat(auto-fill, minmax(280px, 1fr)) !important;
  gap: 16px !important;
  padding: 20px !important;
  max-width: 900px !important;
  margin: 0 auto !important;
  width: 100% !important;
}

.level-card {
  background: var(--bg-secondary) !important;
  border: 1px solid rgba(255,255,255,0.08) !important;
  border-radius: 16px !important;
  padding: 20px !important;
  display: flex !important;
  align-items: center !important;
  gap: 16px !important;
  cursor: pointer !important;
  transition: all 0.2s ease !important;
  box-shadow: 0 4px 10px rgba(0,0,0,0.2) !important;
  position: relative !important;
  overflow: hidden !important;
}

.level-card::before {
  content: '' !important;
  position: absolute !important;
  left: 0 !important;
  top: 0 !important;
  bottom: 0 !important;
  width: 6px !important;
  background: var(--level-color, var(--accent-1)) !important;
}

.level-card:hover {
  transform: translateY(-2px) !important;
  border-color: var(--level-color, var(--accent-1)) !important;
  box-shadow: 0 6px 15px rgba(0,0,0,0.3) !important;
  background: rgba(255,255,255,0.05) !important;
}

.level-card.empty {
  opacity: 0.6 !important;
  cursor: default !important;
}
.level-card.empty:hover {
  transform: none !important;
  border-color: rgba(255,255,255,0.08) !important;
}

/* Hide emojis completely for an adult look */
.level-emoji {
  display: none !important;
}

.level-info {
  flex: 1 !important;
}

.level-code {
  font-size: 1.25rem !important;
  font-weight: 700 !important;
  color: var(--text-primary) !important;
  margin-bottom: 4px !important;
}

.level-label {
  font-size: 0.95rem !important;
  color: var(--text-secondary) !important;
  margin-bottom: 4px !important;
}

.level-count {
  font-size: 0.85rem !important;
  color: var(--text-muted) !important;
  font-weight: 600 !important;
  display: inline-block !important;
  background: rgba(255,255,255,0.05) !important;
  padding: 4px 8px !important;
  border-radius: 6px !important;
}

.level-soon {
  position: absolute !important;
  top: 15px !important;
  right: -30px !important;
  background: var(--accent-5) !important;
  color: white !important;
  font-size: 0.7rem !important;
  font-weight: 800 !important;
  padding: 6px 35px !important;
  transform: rotate(45deg) !important;
  text-transform: uppercase !important;
  letter-spacing: 1px !important;
}

/* Book Cursive Font */
.book-content, .book-paragraph {
  font-family: 'Kalam', cursive !important;
  font-weight: 700 !important; /* Thicker */
  font-size: 1.5rem !important; /* Adjusted for Kalam's natural size */
  line-height: 1.5 !important;
  letter-spacing: 0.03em !important;
}

/* Final component pass (kept last so legacy reader rules cannot restyle it). */
.levels-grid {
  gap: 20px !important;
  padding: 28px 20px 60px !important;
  max-width: 920px !important;
}
.level-card {
  min-height: 118px !important;
  padding: 20px !important;
  background: #fffdf7 !important;
  color: var(--ink) !important;
  border: 2px solid var(--ink) !important;
  border-radius: 18px !important;
  box-shadow: var(--soft-shadow) !important;
  overflow: visible !important;
}
.level-card:nth-child(4n+1) { background: #c9f0e1 !important; transform: rotate(-.3deg); }
.level-card:nth-child(4n+2) { background: #dceafe !important; transform: rotate(.2deg); }
.level-card:nth-child(4n+3) { background: #fbe3a4 !important; }
.level-card:nth-child(4n) { background: #eadfff !important; transform: rotate(-.2deg); }
.level-card::before { display: none !important; }
.level-card:hover {
  transform: translate(-3px,-3px) rotate(.2deg) !important;
  border-color: var(--ink) !important;
  box-shadow: 8px 8px 0 var(--ink) !important;
}
.level-code, .level-label, .level-count { color: var(--ink) !important; }
.level-code { font-size: 1.45rem !important; letter-spacing: -.04em; }
.level-count {
  background: #fffdf7 !important;
  border: 1.5px solid var(--ink);
  border-radius: 999px !important;
}
.lang-dropdown, .lang-overlay-content { background: var(--paper-warm) !important; color: var(--ink) !important; }
.lang-overlay-content, .lang-option { border: 2px solid var(--ink) !important; box-shadow: var(--small-shadow); }
.lang-option { background: #fffdf7 !important; color: var(--ink) !important; }
.lang-option:hover, .lang-option.active { background: var(--mint) !important; color: var(--ink) !important; border-color: var(--ink) !important; }

/* Preply-inspired palette: confident coral, cream and soft violet. */
:root {
  --paper: #fff7ed;
  --paper-warm: #fffdf8;
  --coral: #ff5a5f;
  --sun: #ff5a5f;
  --mint: #c9b8ff;
  --sky: #a8d8ff;
  --lavender: #c9b8ff;
}

.btn-books-main { background: var(--coral) !important; }
.btn-courses-main { background: var(--lavender) !important; }
.home-title::after { background: #ffd6d8 !important; }
.home-title::after,
[data-theme="dark"] .home-title::after {
  color: #171719 !important;
  -webkit-text-fill-color: #171719 !important;
  text-shadow: none !important;
}
.home-donate a { background: #a8d8ff !important; }
.level-card:nth-child(4n+1), .book-card:nth-child(4n+1), .course-card:nth-child(4n+1) { background: #ffd6d8 !important; }
.level-card:nth-child(4n+2), .book-card:nth-child(4n+2), .course-card:nth-child(4n+2) { background: #e5ddff !important; }
.level-card:nth-child(4n+3), .book-card:nth-child(4n+3), .course-card:nth-child(4n+3) { background: #ddecff !important; }

.theme-toggle {
  position: relative;
  z-index: 2;
  width: auto;
  height: 44px;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  padding: 0 16px;
  color: var(--ink);
  background: var(--paper-warm);
  border: 2px solid var(--ink);
  border-radius: 999px;
  box-shadow: 3px 3px 0 var(--ink);
  cursor: pointer;
  transition: transform .16s ease, box-shadow .16s ease;
}
.theme-toggle:hover { transform: translate(-2px,-2px) rotate(7deg); box-shadow: 5px 5px 0 var(--ink); }
.theme-toggle:active { transform: translate(2px,2px); box-shadow: 0 0 0 var(--ink); }
.theme-toggle .material-symbols-rounded { font-size: 23px; }
.theme-toggle-label { font: 800 .82rem/1 var(--font); }
.dark-mode-toggle { display: none !important; }

[data-theme="dark"] {
  --ink: #f6f3eb;
  --paper: #171719;
  --paper-warm: #242326;
  --text-primary: #f6f3eb !important;
  --text-secondary: #d0ccc4 !important;
  --text-muted: #aaa59d !important;
  --soft-shadow: 5px 5px 0 #050506;
  --small-shadow: 3px 3px 0 #050506;
}
[data-theme="dark"] html, [data-theme="dark"] body,
[data-theme="dark"] body[data-theme], [data-theme="dark"] .screen,
[data-theme="dark"] #home-screen, [data-theme="dark"] #books-screen,
[data-theme="dark"] #courses-screen { background: #171719 !important; color: #f6f3eb !important; }
[data-theme="dark"] body::before { background-image: radial-gradient(rgba(255,255,255,.09) 1px, transparent 1px) !important; }
[data-theme="dark"] #home-screen::after { border-color: #f6f3eb !important; box-shadow: 5px 5px 0 #050506 !important; }
[data-theme="dark"] .home-title { color: #f6f3eb !important; -webkit-text-fill-color: #f6f3eb !important; }
[data-theme="dark"] .top-bar { background: rgba(23,23,25,.96) !important; border-color: #f6f3eb !important; }
[data-theme="dark"] .top-bar-title { color: #f6f3eb !important; }
[data-theme="dark"] .btn-icon, [data-theme="dark"] .btn-icon-small,
[data-theme="dark"] .theme-toggle, [data-theme="dark"] .home-donate p,
[data-theme="dark"] .home-footer a, [data-theme="dark"] .home-footer button {
  background: #242326 !important;
  color: #f6f3eb !important;
  border-color: #f6f3eb !important;
}
[data-theme="dark"] .book-card, [data-theme="dark"] .course-card,
[data-theme="dark"] .level-card { color: #171719 !important; border-color: #050506 !important; }
[data-theme="dark"] .book-card-info h3, [data-theme="dark"] .course-card-info h3,
[data-theme="dark"] .level-code, [data-theme="dark"] .level-label,
[data-theme="dark"] .level-count { color: #171719 !important; }
[data-theme="dark"] .admin-modal-content, [data-theme="dark"] .admin-dashboard-container,
[data-theme="dark"] .word-card-container, [data-theme="dark"] .story-quiz-content,
[data-theme="dark"] .feedback-content, [data-theme="dark"] .course-quiz-content,
[data-theme="dark"] .lang-overlay-content { background: #242326 !important; color: #f6f3eb !important; border-color: #f6f3eb !important; }

/* Animated backgrounds: energetic home, quieter inner navigation. */
#home-screen::after { display: none !important; }
#home-screen::before {
  content: '' !important;
  position: fixed !important;
  inset: -18% !important;
  width: auto !important;
  height: auto !important;
  z-index: 0 !important;
  opacity: 1 !important;
  filter: none !important;
  background:
    linear-gradient(115deg, transparent 0 43%, rgba(255,90,95,.12) 43% 55%, transparent 55% 100%),
    radial-gradient(ellipse at 14% 22%, rgba(201,184,255,.5) 0 12%, transparent 12.5%),
    radial-gradient(ellipse at 86% 76%, rgba(168,216,255,.45) 0 13%, transparent 13.5%),
    var(--paper) !important;
  background-size: 160% 160%, 120% 120%, 125% 125%, auto !important;
  animation: homeBackdropDrift 18s ease-in-out infinite alternate !important;
  pointer-events: none;
}

#books-screen, #courses-screen,
#categories-screen, #gamelist-screen, #game-screen {
  background:
    linear-gradient(135deg, rgba(201,184,255,.16), transparent 38%),
    linear-gradient(315deg, rgba(255,90,95,.1), transparent 42%),
    radial-gradient(rgba(32,35,31,.1) 1px, transparent 1px),
    var(--paper) !important;
  background-size: 150% 150%, 150% 150%, 22px 22px, auto !important;
  animation: menuBackdropDrift 24s ease-in-out infinite alternate !important;
}

[data-theme="dark"] #home-screen::before {
  background:
    linear-gradient(115deg, transparent 0 43%, rgba(255,90,95,.12) 43% 55%, transparent 55% 100%),
    radial-gradient(ellipse at 14% 22%, rgba(119,91,190,.28) 0 12%, transparent 12.5%),
    radial-gradient(ellipse at 86% 76%, rgba(70,128,171,.22) 0 13%, transparent 13.5%),
    #171719 !important;
}
[data-theme="dark"] #books-screen, [data-theme="dark"] #courses-screen,
[data-theme="dark"] #categories-screen, [data-theme="dark"] #gamelist-screen,
[data-theme="dark"] #game-screen {
  background:
    linear-gradient(135deg, rgba(119,91,190,.15), transparent 38%),
    linear-gradient(315deg, rgba(255,90,95,.1), transparent 42%),
    radial-gradient(rgba(255,255,255,.08) 1px, transparent 1px),
    #171719 !important;
  background-size: 150% 150%, 150% 150%, 22px 22px, auto !important;
}

@keyframes homeBackdropDrift {
  0% { background-position: 0% 10%, 0% 0%, 100% 100%, 0 0; transform: scale(1) rotate(0deg); }
  100% { background-position: 100% 85%, 12% 8%, 88% 90%, 0 0; transform: scale(1.06) rotate(.5deg); }
}
@keyframes menuBackdropDrift {
  from { background-position: 0% 0%, 100% 100%, 0 0, 0 0; }
  to { background-position: 35% 25%, 65% 75%, 22px 11px, 0 0; }
}

@media (prefers-reduced-motion: reduce) {
  #home-screen::before, #books-screen, #courses-screen,
  #categories-screen, #gamelist-screen, #game-screen { animation: none !important; }
}

/* Refined home background: graphic editorial bands, no decorative blobs. */
#home-screen::before {
  inset: -8% !important;
  width: 116% !important;
  height: 116% !important;
  background:
    linear-gradient(122deg, transparent 0 64%, rgba(255,90,95,.14) 64% 72%, transparent 72% 100%),
    linear-gradient(122deg, transparent 0 21%, rgba(201,184,255,.2) 21% 28%, transparent 28% 100%),
    repeating-linear-gradient(90deg, rgba(32,35,31,.035) 0 1px, transparent 1px 52px),
    repeating-linear-gradient(0deg, rgba(32,35,31,.035) 0 1px, transparent 1px 52px),
    var(--paper) !important;
  background-size: 180% 100%, 180% 100%, 52px 52px, 52px 52px, auto !important;
  animation: editorialBandsMove 9s ease-in-out infinite alternate !important;
}

[data-theme="dark"] #home-screen::before {
  background:
    linear-gradient(122deg, transparent 0 64%, rgba(255,90,95,.16) 64% 72%, transparent 72% 100%),
    linear-gradient(122deg, transparent 0 21%, rgba(201,184,255,.14) 21% 28%, transparent 28% 100%),
    repeating-linear-gradient(90deg, rgba(255,255,255,.035) 0 1px, transparent 1px 52px),
    repeating-linear-gradient(0deg, rgba(255,255,255,.035) 0 1px, transparent 1px 52px),
    #171719 !important;
  background-size: 180% 100%, 180% 100%, 52px 52px, 52px 52px, auto !important;
}

@keyframes editorialBandsMove {
  from { background-position: 80% 0, -45% 0, 0 0, 0 0, 0 0; transform: translate3d(-3%, -1%, 0); }
  to { background-position: 20% 0, 35% 0, 26px 0, 0 26px, 0 0; transform: translate3d(3%, 1%, 0); }
}

/* Optical centering for icons inside every circular control. */
.home-footer button[style*="border-radius: 50%"],
.btn-icon, .btn-icon-small,
.book-card-icon, .course-card-icon {
  align-items: center !important;
  justify-content: center !important;
  line-height: 0 !important;
}

.home-footer button[style*="border-radius: 50%"] svg {
  display: block !important;
  flex: 0 0 auto;
  margin: 0 !important;
  transform: translateY(0) !important;
}

.btn-icon > .material-symbols-rounded,
.btn-icon-small > .material-symbols-rounded,
.book-card-icon > .material-symbols-rounded,
.course-card-icon > .material-symbols-rounded {
  width: 1em;
  height: 1em;
  display: grid !important;
  place-items: center;
  line-height: 1 !important;
  margin: 0 !important;
  transform: translateY(-1px);
}

@media (prefers-reduced-motion: reduce) {
  /* The animated backdrop is an explicitly requested visual feature. */
  #home-screen::before { animation: editorialBandsMove 9s ease-in-out infinite alternate !important; }
  #books-screen, #courses-screen,
  #categories-screen, #gamelist-screen, #game-screen {
    animation: menuBackdropDrift 24s ease-in-out infinite alternate !important;
  }
}

/* Keep the whiteboards as light writing surfaces in every theme. The global
   textarea styling otherwise overrides their paper, ink and ruled lines. */
.whiteboard-hybrid-area {
  background: #ffffff !important;
  color: #1e293b !important;
}

.whiteboard-hybrid-area .whiteboard-textarea {
  background-color: transparent !important;
  color: #1e293b !important;
  caret-color: #1e293b;
  border: none !important;
}

#course-wb-text {
  background-image: repeating-linear-gradient(
    transparent,
    transparent 30px,
    rgba(147, 197, 253, 0.5) 30px,
    rgba(147, 197, 253, 0.5) 31px
  ) !important;
  background-attachment: local !important;
}

.whiteboard-hybrid-area .wb-student-text-edit {
  background: linear-gradient(135deg, #dbeafe 0%, #eff6ff 100%) !important;
  color: #1e3a8a !important;
  caret-color: #1e3a8a;
  border: 2px dashed #3b82f6 !important;
}

/* Compact quick-links menu for phones */
.home-quick-links-mobile { display: none; }

@media (max-width: 768px) {
  .home-quick-links-desktop { display: none !important; }

  .home-quick-links-mobile {
    display: block;
    position: absolute !important;
    top: 15px;
    left: 15px;
    width: auto;
    margin: 0;
    color: #fff;
    text-align: left;
    z-index: 20 !important;
  }

  .home-quick-links-mobile summary {
    display: flex;
    align-items: center;
    justify-content: center;
    width: 38px;
    height: 38px;
    padding: 0;
    color: #a0aec0;
    background: rgba(255,255,255,0.1);
    border: 1px solid rgba(255,255,255,0.2);
    border-radius: 20px;
    box-shadow: none;
    font-weight: 800;
    cursor: pointer;
    list-style: none;
  }

  .home-quick-links-mobile summary::-webkit-details-marker { display: none; }

  .home-quick-links-menu {
    position: absolute;
    top: calc(100% + 8px);
    left: 0;
    display: grid;
    gap: 8px;
    width: 220px;
    margin-top: 0;
    padding: 10px;
    background: var(--paper-warm);
    border: 2px solid var(--ink);
    border-radius: 14px;
    box-shadow: 4px 4px 0 var(--ink);
  }

  .home-quick-links-menu a {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 8px;
    padding: 11px 14px;
    color: #a0aec0;
    background: rgba(255,255,255,0.1);
    border: 1px solid rgba(255,255,255,0.2);
    border-radius: 11px;
    font-weight: 800;
    text-decoration: none;
  }
}

/* Featured podcast link on the home screen */
.home-podcasts-featured {
  display: flex;
  justify-content: center;
  margin: 12px 0 18px;
}

.home-podcasts-featured a.btn-free-podcasts,
.home-footer a.btn-free-podcasts {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 11px 28px;
  border-radius: 20px;
  font-size: 1rem;
  font-weight: 800;
  text-decoration: none;
  background: linear-gradient(135deg, #3b82f6, #2563eb) !important;
  color: #ffffff !important;
  border: none !important;
  box-shadow: 0 4px 15px rgba(59, 130, 246, 0.35) !important;
}

.home-podcasts-featured a.btn-free-podcasts:hover,
.home-footer a.btn-free-podcasts:hover {
  background: linear-gradient(135deg, #60a5fa, #2563eb) !important;
  transform: translateY(-2px);
}

/* Portal administrativo: contraste fijo sobre fondos claros. */
#admin-dashboard-modal .admin-dashboard-container,
#admin-auth-modal .admin-modal-content {
  background: #ffffff !important;
  color: #111827 !important;
  border-color: #cbd5e1 !important;
}
#admin-dashboard-modal .admin-dashboard-header,
#admin-dashboard-modal .admin-tabs {
  background: #ffffff !important;
  border-color: #cbd5e1 !important;
}
#admin-dashboard-modal .admin-tab-content { background: #f8fafc !important; }
#admin-dashboard-modal .admin-setting-card,
#admin-dashboard-modal .admin-story-card,
#admin-dashboard-modal .course-admin-card,
#admin-dashboard-modal .search-bar {
  background: #ffffff !important;
  color: #111827 !important;
  border-color: #cbd5e1 !important;
}
#admin-dashboard-modal h1,
#admin-dashboard-modal h2,
#admin-dashboard-modal h3,
#admin-dashboard-modal h4,
#admin-dashboard-modal p,
#admin-dashboard-modal label,
#admin-dashboard-modal .admin-tab,
#admin-dashboard-modal .admin-story-info,
#admin-auth-modal h2,
#admin-auth-modal p { color: #111827 !important; }
#admin-dashboard-modal .btn-secondary { color: #111827 !important; }
#admin-dashboard-modal input,
#admin-auth-modal input {
  background: #ffffff !important;
  color: #111827 !important;
  border-color: #64748b !important;
}

/* Sustituye el único título histórico con codificación dañada. */
#admin-dashboard-modal .admin-dashboard-header h2 { font-size: 0 !important; }
#admin-dashboard-modal .admin-dashboard-header h2 .material-symbols-rounded { font-size: 28px !important; }
#admin-dashboard-modal .admin-dashboard-header h2::after {
  content: "Centro de Administración";
  font-size: 1.8rem;
  color: #111827;
}