/* APP SHELL -------------------------------------------------- */
.app-shell {
  margin: 0;
  padding: 0;
  background-color: var(--color-bg-page);
  color: var(--color-text-primary);
  font-family: var(--font-body);
  -webkit-font-smoothing: antialiased;
}
.app-root {
  min-height: 100vh;
  display: flex;
  flex-direction: column;
}
.muted {
  color: var(--color-text-secondary);
  line-height: 1.5;
  font-size: 0.95rem;
}

/* APRESENTACAO  ---------------------------------------------- */
.presentation-body-html {
    color: #5d5d5d;
}

/* HEADER / HERO ---------------------------------------------- */
.hero-blue {
  background: radial-gradient(
    circle at 0% 0%,
    var(--color-bg-page) 0%,
    var(--color-bg-page) 60%,
    var(--color-bg-page) 100%
  );
  border-bottom: 1px solid var(--color-border-card);
  padding: 1.5rem 1rem 1rem;
}
.hero-container {
  max-width: 72rem;
  margin: 0 auto;
  display: grid;
  grid-template-columns: 1fr auto;
  gap: 1rem;
  align-items: flex-start;
}
.hero-left {
  min-width: 0;
}
.hero-right {
  display: flex;
  align-items: flex-start;
  justify-content: flex-end;
}
.theme-toggle-btn {
  position: fixed;
  top: 1.5rem;
  right: 1.5rem;
  width: 48px;
  height: 48px;
  border-radius: 50%;
  background: rgba(30, 41, 59, 0.6);
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
  border: 1px solid rgba(148, 163, 184, 0.2);
  color: #e2e8f0;
  font-size: 1.5rem;
  cursor: pointer;
  display: flex;
  align-items: center;
  justify-content: center;
  transition: all 0.3s ease;
  z-index: 1000;
}

.theme-toggle-btn:hover {
  background: rgba(30, 41, 59, 0.8);
  transform: scale(1.1);
}

.theme-toggle-btn:active {
  transform: scale(1.05);
}

:root[data-theme="light"] .theme-toggle-btn {
  background: rgba(255, 255, 255, 0.8);
  border-color: rgba(0, 0, 0, 0.1);
  color: #1a1a1a;
}

:root[data-theme="light"] .theme-toggle-btn:hover {
  background: rgba(255, 255, 255, 0.95);
  transform: scale(1.1);
}

/* Hero header section - biblioteca style */
.home-hero {
  width: 100%;
  background: rgba(255, 255, 255, 0.9);
  padding: 4rem 2rem;
  text-align: center;
  position: relative;
  overflow: hidden;
  border: 1px solid rgba(0, 0, 0, 0.08);
  border-radius: 16px;
  margin: 1rem;
}

:root[data-theme="dark"] .home-hero {
  background:
    radial-gradient(1000px 400px at 20% -10%, rgba(93,209,255,0.10), transparent 60%),
    radial-gradient(1000px 400px at 80% -10%, rgba(125,92,255,0.10), transparent 60%),
    rgba(30, 41, 59, 0.6);
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
  border: 1px solid rgba(148, 163, 184, 0.2);
}

.home-hero::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  pointer-events: none;
}

.hero-content {
  position: relative;
  z-index: 1;
  max-width: 900px;
  margin: 0 auto;
}

.hero-title {
  font-family: var(--font-heading, system-ui);
  font-size: clamp(2rem, 5vw, 3.5rem);
  font-weight: 800;
  line-height: 1.2;
  color: #ff0000 !important;
  margin: 0 0 1.5rem;
  letter-spacing: -0.02em;
  text-align: center;
}

:root[data-theme="dark"] .hero-title {
  color: #ffffff !important;
}

.hero-subtitle,
.hero-lede,
.hero-desc {
  margin: 0 0 12px;
  color: #6b0300 !important;
  font-size: 17px;
  text-align: center;
  max-width: 700px;
  margin-left: auto;
  margin-right: auto;
}

:root[data-theme="dark"] .hero-subtitle,
:root[data-theme="dark"] .hero-lede,
:root[data-theme="dark"] .hero-desc {
  color: #ffffff !important;
}

.badges {
  display: flex;
  gap: 0.5rem;
  margin-top: 1rem;
  font-size: 0.8rem;
  color: var(--color-text-secondary);
}
.badge-dot {
  display: inline-block;
  width: 0.6rem;
  height: 0.6rem;
  border-radius: 9999px;
}
.dot-green  { background-color: #10b981; }
.dot-blue   { background-color: #3b82f6; }
.dot-purple { background-color: #8b5cf6; }

/* FEATURE STRIP (home cards row) -------------------------------- */
.feature-strip {
  padding: 2rem 1rem 3rem;
  background-color: var(--color-bg-page);
  background-image: radial-gradient(
    circle at 50% 0%,
    rgba(0,0,0,0.4) 0%,
    rgba(0,0,0,0) 70%
  );
}
.feature-grid {
  max-width: 72rem;
  margin: 0 auto;
  display: grid;
  gap: 1rem;
}
@media (min-width: 640px) {
  .feature-grid {
    grid-template-columns: repeat(3, minmax(0,1fr));
  }
}

/* CARD -------------------------------------------------------- */
.card-neo {
  background-color: var(--color-surface-card);
  color: var(--color-text-primary);
  border-radius: var(--radius-card);
  border: 1px solid var(--color-border-card);
  box-shadow: var(--shadow-card);
  padding: 1rem 1rem 1.25rem;
  display: flex;
  flex-direction: column;
}
.card-icon {
  font-size: 2rem;
  line-height: 1;
  margin-bottom: 0.5rem;
}
.card-title {
  font-size: 1.125rem;
  line-height: 1.3;
  font-weight: 600;
  margin: 0 0 0.4rem;
  color: var(--color-text-primary);
}
.card-desc {
  margin: 0 0 1rem;
  font-size: 0.95rem;
  color: var(--color-text-secondary);
}

/* BUTTONS ----------------------------------------------------- */
.btn {
  width: 100%;
  border-radius: 0.5rem;
  min-height: 2.5rem;
  border: 0;
  font-size: 0.9rem;
  font-weight: 600;
  line-height: 1.2;
  cursor: pointer;
  color: #fff;
  text-align: center;
}
.btn-primary {
  background: linear-gradient(to right, #3b82f6, #6366f1);
}

button.btn.btn-green {
  background: linear-gradient(to right, #10b981, #14b8a6);
}

.btn-purple {
  background: linear-gradient(to right, #6366f1, #8b5cf6);
}
.btn:active {
  filter: brightness(1.1);
}
.btn-retry {
  margin-left: 1rem;
}

/* FOOTER ------------------------------------------------------ */
.footer {
  font-size: 0.8rem;
  text-align: center;
  padding: 2rem 1rem;
  border-top: 1px solid var(--color-border-card);
  color: var(--color-text-secondary);
  margin-top: 2rem;
  background-color: var(--color-bg-page);
}

/* FAQ PAGE ---------------------------------------------------- */
.faq-section {
  max-width: 72rem;
  margin: 0 auto;
  padding: 2rem 1rem 4rem;
  color: var(--color-text-primary);
}
.faq-controls {
  display: flex;
  flex-wrap: wrap;
  gap: 0.75rem;
  align-items: center;
  margin-bottom: 1.5rem;
}
.faq-search {
  flex: 1;
  min-width: 200px;
  background-color: var(--color-surface-card);
  color: var(--color-text-primary);
  border: 1px solid var(--color-border-card);
  border-radius: 0.5rem;
  padding: 0.6rem 0.75rem;
  font-size: 0.9rem;
  line-height: 1.2;
}
.faq-search::placeholder {
  color: var(--color-text-secondary);
}
.faq-list {
  display: grid;
  gap: 0.75rem;
}
.faq-item {
  background-color: var(--color-surface-card);
  border: 1px solid var(--color-border-card);
  border-radius: 0.75rem;
  padding: 1rem 1rem;
  color: var(--color-text-primary);
  box-shadow: var(--shadow-flat);
}
.faq-question {
  cursor: pointer;
  list-style: none;
  font-weight: 600;
  color: var(--color-text-primary);
  display: flex;
  flex-wrap: wrap;
  gap: 0.75rem;
  align-items: flex-start;
  justify-content: space-between;
}
.faq-question-text {
  font-size: 1rem;
  line-height: 1.4;
  flex: 1;
}
.faq-audio-btn {
  display: flex;
  align-items: center;
  gap: 0.4rem;
  font-size: 0.8rem;
  background-color: rgba(16,185,129,0.15);
  color: #10b981;
  border: 1px solid rgba(16,185,129,0.4);
  border-radius: 0.5rem;
  padding: 0.4rem 0.6rem;
  line-height: 1.2;
}
.faq-audio-btn.is-playing {
  background-color: rgba(16,185,129,0.3);
}
.faq-audio-duration {
  font-size: 0.7rem;
  color: var(--color-text-secondary);
}
.faq-answer {
  font-size: 0.9rem;
  line-height: 1.5;
  margin-top: 0.75rem;
  color: var(--color-text-secondary);
}

/* STATES (loading / error / empty) */
.state-message {
  background-color: var(--color-surface-card);
  border: 1px solid var(--color-border-card);
  border-radius: 0.75rem;
  padding: 1rem;
  font-size: 0.9rem;
  color: var(--color-text-secondary);
  box-shadow: var(--shadow-flat);
}
.state-error {
  border-color: rgba(239,68,68,0.4);
  color: #ef4444;
  display: flex;
  flex-wrap: wrap;
  gap: 0.75rem;
  align-items: center;
}

/* BOT PAGE ---------------------------------------------------- */
.bot-page {
  display: flex;
  flex-direction: column;
  color: var(--color-text-primary);
  background-color: var(--color-bg-page);
}
.bot-hero {
  background: radial-gradient(
    circle at 80% 20%,
    rgba(139,92,246,0.3) 0%,
    rgba(0,0,0,0) 70%
  );
  border-bottom: 1px solid var(--color-border-card);
  padding: 2rem 1rem 1.5rem;
}
.bot-hero-inner {
  max-width: 72rem;
  margin: 0 auto;
  display: grid;
  gap: 1.5rem;
}
@media (min-width: 768px) {
  .bot-hero-inner {
    grid-template-columns: 1fr 200px;
    align-items: center;
  }
}
.bot-hero-copy {
  min-width: 0;
  color: var(--color-text-primary);
}
.bot-back {
  appearance: none;
  background: none;
  border: none;
  color: var(--color-text-secondary);
  font-size: 0.9rem;
  line-height: 1.2;
  display: inline-flex;
  align-items: center;
  gap: 0.4rem;
  padding: 0;
  margin-bottom: 0.5rem;
  cursor: pointer;
}
.bot-hero-eyebrow {
  font-size: 0.8rem;
  font-weight: 500;
  color: #8b5cf6;
  display: block;
}
.bot-hero-title {
  margin: 0.25rem 0 0.5rem;
  font-size: 1.25rem;
  font-weight: 600;
  line-height: 1.3;
  color: var(--color-text-primary);
}
.bot-hero-description {
  font-size: 0.9rem;
  line-height: 1.4;
  max-width: 40rem;
  color: var(--color-text-secondary);
}
.bot-hero-highlights {
  margin-top: 0.75rem;
  display: flex;
  flex-wrap: wrap;
  gap: 0.5rem;
  font-size: 0.7rem;
  color: #c7d2fe;
}
.bot-hero-figure img {
  max-width: 200px;
  border-radius: 0.75rem;
  border: 1px solid var(--color-border-card);
  background-color: var(--color-surface-card);
  box-shadow: var(--shadow-flat);
}

/* Bot content area */
.bot-content {
  max-width: 72rem;
  margin: 0 auto;
  padding: 2rem 1rem 4rem;
  display: grid;
  gap: 1.5rem;
  background-color: var(--color-bg-page);
  color: var(--color-text-primary);
}
@media (min-width: 1024px) {
  .bot-content {
    grid-template-columns: 300px 1fr;
  }
}
.bot-search-card {
  background-color: var(--color-surface-card);
  border: 1px solid var(--color-border-card);
  border-radius: 0.75rem;
  padding: 1rem;
  color: var(--color-text-primary);
  box-shadow: var(--shadow-flat);
}
.bot-search-title {
  font-size: 1rem;
  margin: 0 0 0.25rem;
  font-weight: 600;
  color: var(--color-text-primary);
}
.bot-search-description {
  font-size: 0.8rem;
  line-height: 1.4;
  margin: 0 0 0.75rem;
  color: var(--color-text-secondary);
}
.bot-search-bar {
  display: flex;
  align-items: center;
  gap: 0.5rem;
  background-color: var(--color-surface-card);
  border: 1px solid var(--color-border-card);
  border-radius: 0.5rem;
  padding: 0.5rem 0.6rem;
  box-shadow: var(--shadow-flat);
  color: var(--color-text-primary);
}
.bot-search-icon {
  font-size: 0.9rem;
  color: var(--color-text-secondary);
}
.bot-search-input {
  background: transparent;
  border: 0;
  outline: none;
  color: var(--color-text-primary);
  font-size: 0.9rem;
  flex: 1;
}
.bot-search-input::placeholder {
  color: var(--color-text-secondary);
}
.bot-search-clear {
  background: none;
  border: none;
  color: var(--color-text-secondary);
  font-size: 0.8rem;
  cursor: pointer;
  line-height: 1;
  display: flex;
  align-items: center;
  gap: 0.25rem;
}

/* bot results */
.bot-results {
  display: grid;
  gap: 1rem;
}
.bot-info-card,
.bot-empty-card,
.bot-result {
  background-color: var(--color-surface-card);
  border: 1px solid var(--color-border-card);
  border-radius: 0.75rem;
  padding: 1rem;
  color: var(--color-text-primary);
  box-shadow: var(--shadow-flat);
}
.bot-info-icon,
.bot-empty-icon {
  font-size: 1.2rem;
  line-height: 1;
  margin-right: 0.5rem;
}
.bot-info-title,
.bot-empty-title {
  font-size: 0.9rem;
  font-weight: 600;
  color: var(--color-text-primary);
  margin: 0 0 0.25rem;
}
.bot-info-text,
.bot-empty-text {
  font-size: 0.8rem;
  line-height: 1.4;
  margin: 0;
  color: var(--color-text-secondary);
}
.bot-result-header {
  display: flex;
  flex-wrap: wrap;
  gap: 0.75rem;
  align-items: flex-start;
  justify-content: space-between;
}
.bot-result-title {
  font-size: 1rem;
  font-weight: 600;
  line-height: 1.4;
  margin: 0;
  flex: 1;
  color: var(--color-text-primary);
}
.bot-audio-btn {
  display: flex;
  align-items: center;
  gap: 0.4rem;
  font-size: 0.8rem;
  background-color: rgba(139,92,246,0.15);
  color: #c7d2fe;
  border: 1px solid rgba(139,92,246,0.4);
  border-radius: 0.5rem;
  padding: 0.4rem 0.6rem;
  line-height: 1.2;
}
.bot-audio-btn.is-playing {
  background-color: rgba(139,92,246,0.3);
}
.bot-audio-duration {
  font-size: 0.7rem;
  color: var(--color-text-secondary);
}
.bot-tags {
  display: flex;
  flex-wrap: wrap;
  gap: 0.4rem;
  font-size: 0.7rem;
  color: #38bdf8;
  margin: 0.5rem 0 0;
}
.bot-tag {
  background-color: rgba(56,189,248,0.1);
  border: 1px solid rgba(56,189,248,0.4);
  border-radius: 0.4rem;
  padding: 0.25rem 0.4rem;
  line-height: 1.2;
  color: #38bdf8;
}
.bot-result-body {
  font-size: 0.9rem;
  line-height: 1.5;
  margin-top: 0.75rem;
  color: var(--color-text-secondary);
}

/* PRESENTATION PAGE ------------------------------------------- */
.page-header {
  display: flex;
  align-items: center;
  gap: 1rem;
  margin-bottom: 2rem;
  padding: 1rem 1rem 0;
  max-width: 1200px;
  margin-left: auto;
  margin-right: auto;
}

a.back-link {

  color: #5d5d5d;
  background: rgba(255, 255, 255, 0.9);
  border: 1px solid rgba(0, 0, 0, 0.1);
  padding: 8px 10px;
  border-radius: 10px;
  cursor: pointer;
}

.back-link {
  color: var(--color-text-primary);
  text-decoration: none;
  font-size: 0.95rem;
  transition: opacity 0.2s;
}

.back-link:hover {
  opacity: 0.7;
}

:root[data-theme="dark"] .back-link {
  color: #e2e8f0;
}

:root[data-theme="light"] .back-link {
  color: #5d5d5d;
}

.page-title {
  flex: 1;
  font-size: 1.5rem;
  font-weight: 700;
  color: #ff0000 !important;
  margin: 0;
  text-align: center;
}



.presentation-card {
  background-color: var(--panel);
  border-radius: 1rem;
  border: 1px solid var(--border);
  box-shadow: var(--glow);
  padding: 2rem;
  margin: 0 auto 2rem;
  max-width: 900px;
}

:root[data-theme="dark"] .presentation-card {
  background: rgba(30, 41, 59, 0.6);
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
  border: 1px solid rgba(148, 163, 184, 0.2);
  box-shadow: 0 8px 32px rgba(0, 0, 0, 0.3);
}

:root[data-theme="light"] .presentation-card {
  background-color: rgba(255, 255, 255, 0.95);
  box-shadow: 0 4px 24px rgba(0, 0, 0, 0.1);
}

.presentation-heroimg-wrapper {
  background-color: #f3f4f6;
  border-radius: 0.75rem;
  border: 1px solid rgba(0, 0, 0, 0.08);
  box-shadow: 0 4px 12px rgba(0, 0, 0, 0.1);
  overflow: hidden;
  aspect-ratio: 16/6;
  margin-bottom: 1.5rem;
  display: flex;
  align-items: center;
  justify-content: center;
}

:root[data-theme="dark"] .presentation-heroimg-wrapper {
  background-color: #1e293b;
  box-shadow: 0 8px 24px rgba(0, 0, 0, 0.5);
}

.presentation-heroimg-wrapper img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  display: block;
}

.presentation-textblock {
  font-size: 0.95rem;
  line-height: 1.7;
  color: var(--color-text-primary);
  margin-bottom: 1.5rem;
}

:root[data-theme="dark"] .presentation-textblock {
  color: #e2e8f0;
}

:root[data-theme="light"] .presentation-textblock {
  color: #5d5d5d;
}

.presentation-textblock p {
  margin: 0 0 1rem;
}

.audio-row {
  margin-top: 1.5rem;
}

.audio-btn {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  background: linear-gradient(135deg, #3b82f6 0%, #2563eb 100%);
  color: #fff;
  font-size: 0.9rem;
  font-weight: 600;
  padding: 0.75rem 1.25rem;
  line-height: 1rem;
  border-radius: 0.5rem;
  border: none;
  cursor: pointer;
  transition: all 0.2s ease;
  box-shadow: 0 4px 14px rgba(59, 130, 246, 0.4);
}

.audio-btn:hover {
  transform: translateY(-2px);
  box-shadow: 0 6px 20px rgba(59, 130, 246, 0.5);
}

/* PLACEHOLDER PAGE -------------------------------------------- */
.placeholder-section {
  max-width: 72rem;
  margin: 0 auto;
  padding: 2rem 1rem 4rem;
  background-color: var(--color-bg-page);
  color: var(--color-text-primary);
}
.placeholder-copy {
  font-size: 0.9rem;
  line-height: 1.5;
  max-width: 40rem;
  color: var(--color-text-secondary);
}

/* HISTORIA-CANTADA STYLE COMPONENTS -------------------------- */

.page {
  max-width: 1120px;
  margin: 48px auto;
  padding: 0 24px;
}

.hero {
  padding: 28px;
  border-radius: 16px;
  margin-bottom: 16px;
}

.hero-header {
  display: flex;
  justify-content: space-between;
  align-items: flex-start;
  margin-bottom: 12px;
}

/* Removed duplicate - hero-content, hero-title and hero-desc styles defined above */

/* text-gradient class removed - using solid colors instead */

.hero-gradient {
  background:
    radial-gradient(1000px 400px at 20% -10%, rgba(93,209,255,0.10), transparent 60%),
    radial-gradient(1000px 400px at 80% -10%, rgba(125,92,255,0.10), transparent 60%),
    rgba(30, 41, 59, 0.6);
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
  border: 1px solid var(--color-border-card);
}

:root[data-theme="light"] .hero-gradient {
  background:
    radial-gradient(1000px 400px at 20% -10%, rgba(37,99,235,0.08), transparent 60%),
    radial-gradient(1000px 400px at 80% -10%, rgba(139,92,246,0.08), transparent 60%),
    rgba(255, 255, 255, 0.9);
  backdrop-filter: none;
}

.glass-card {
  background: rgba(30, 41, 59, 0.6);
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
  border: 1px solid rgba(148, 163, 184, 0.1);
  border-radius: 16px;
  box-shadow: 0 8px 32px rgba(0, 0, 0, 0.3);
  transition: all 0.3s ease;
}

.glass-card:hover {
  transform: translateY(-4px);
  box-shadow: 0 12px 48px rgba(0, 0, 0, 0.4);
  border-color: rgba(148, 163, 184, 0.2);
}

:root[data-theme="light"] .glass-card {
  background: rgba(255, 255, 255, 0.9);
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
  border: 1px solid rgba(0, 0, 0, 0.08);
  box-shadow: 0 10px 30px rgba(0, 0, 0, 0.1);
}

:root[data-theme="light"] .glass-card:hover {
  box-shadow: 0 12px 36px rgba(0, 0, 0, 0.15);
  border-color: rgba(0, 0, 0, 0.12);
}

.home-cards {
  margin-top: 28px;
}

.cards-2col {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 16px;
}

@media (max-width: 900px) {
  .cards-2col {
    grid-template-columns: 1fr;
  }
}

.choice-card {
  padding: 24px;
  display: flex;
  flex-direction: column;
  gap: 8px;
  cursor: pointer;
}

.choice-card:hover {
  outline: 1px solid rgba(125,92,255,.35);
  background: rgba(255,255,255,0.95);
}

:root[data-theme="dark"] .choice-card:hover {
  background: rgba(255,255,255,0.06);
}

.choice-icon {
  width: 44px;
  height: 44px;
  border-radius: 12px;
  display: grid;
  place-items: center;
  background: rgba(99,138,255,.18);
  border: 1px solid var(--color-border-card);
  font-size: 22px;
}



.choice-title {
  margin: 2px 0 0;
  font-weight: 700;
  font-size: 22px;
  color: #ff0000;
}


.choice-desc {
  margin: 2px 0 10px;
  color: #6b0300 !important;
  flex-grow: 1;
}

.btn {
  display: inline-flex;
  gap: 8px;
  border-radius: 10px;
  border: 1px solid var(--color-border-card);
  padding: 10px 14px;
  background: rgba(255,255,255,0.03);
  color: var(--color-text-primary);
  cursor: pointer;
  transition: transform .05s ease, background .15s ease, border-color .15s ease;
  font-weight: 600;
  margin-top: auto;
  align-items: center;
  justify-content: center;
  text-align: center;
}

.btn:hover {
  transform: translateY(-1px);
  background: rgba(255,255,255,0.05);
}

.btn-primary {
    border-color: rgba(37, 99, 235, .35);
    background: linear-gradient(to right, rgb(59, 130, 246), rgb(99, 102, 241));
    color: white;
}

.btn-primary:hover {
    background: linear-gradient(to right, rgb(37, 99, 235), rgb(79, 70, 229));
    transform: translateY(-1px);
}

.btn-green:hover {
    background: linear-gradient(to right, rgb(5, 150, 105), rgb(13, 148, 136));
    transform: translateY(-1px);
}

.actions {
  display: flex;
  gap: 10px;
  margin-top: 12px;
}

.card-hover {
  transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
}

.card-hover:hover {
  transform: translateY(-4px);
}

/* ANIMATION --------------------------------------------------- */
.fade-in {
  animation: fadein 0.28s ease-out;
}
@keyframes fadein {
  from { opacity: 0; transform: translateY(4px); }
  to   { opacity: 1; transform: translateY(0); }
}

/* Smooth theme transition on the whole document root */
html[data-theme] {
  transition:
    background-color 0.25s ease,
    color 0.25s ease,
    border-color 0.25s ease,
    box-shadow 0.25s ease;
}

/* LIGHT THEME OVERRIDES */
:root[data-theme="light"] .glass-card {
  background: rgba(255, 255, 255, 0.95);
  border: 1px solid rgba(0, 0, 0, 0.08);
  box-shadow: 0 10px 30px rgba(0, 0, 0, 0.1);
}

:root[data-theme="light"] .glass-card:hover {
  box-shadow: 0 12px 36px rgba(0, 0, 0, 0.15);
  border-color: rgba(0, 0, 0, 0.12);
}

:root[data-theme="light"] .choice-card {
  background: rgba(255, 255, 255, 0.9);
}

:root[data-theme="light"] .choice-card:hover {
  background: rgba(255, 255, 255, 1);
  outline: 1px solid rgba(255, 0, 0, 0.3);
}

:root[data-theme="light"] .faq-item {
  background-color: rgba(255, 255, 255, 0.9);
  border: 1px solid rgba(0, 0, 0, 0.1);
  color: var(--text);
}

:root[data-theme="light"] .faq-search {
  background-color: rgba(255, 255, 255, 0.9);
  border: 1px solid rgba(0, 0, 0, 0.1);
  color: var(--text);
}

:root[data-theme="light"] .presentation-hero {
  background: radial-gradient(circle at 20% 20%, rgba(255,0,0,0.08) 0%, rgba(15,23,42,0) 70%);
  border-bottom: 1px solid rgba(0, 0, 0, 0.1);
}

:root[data-theme="light"] .hero-gradient {
  background:
    radial-gradient(1000px 400px at 20% -10%, rgba(255,0,0,0.08), transparent 60%),
    rgba(255, 255, 255, 0.9);
}