/* Basic Styles */
:root {
    --bg-color: #f0f2f5;
    --text-color: #333;
    --card-bg: #ffffff;
    --navbar-bg: #f0f0f0; /* Slightly darker than bg-color */
    --navbar-text: #212529;
    --footer-bg: #f0f0f0; /* Slightly darker than bg-color */
    --border-color: #e0e0e0;
    --shadow-color: rgba(0,0,0,0.08); /* Slightly more pronounced shadow */
    --button-primary-bg: #6a0dad; /* Vibrant purple */
    --button-primary-text: white;
    --button-secondary-bg: #6c757d;
    --button-secondary-text: white;
    --button-success-bg: #28a745;
    --button-success-text: white;
    --button-warning-bg: #ffc107;
    --button-warning-text: #212529;
    --button-info-bg: #17a2b8;
    --button-info-text: white;
    --alert-success-bg: #d4edda;
    --alert-success-text: #155724;
    --alert-danger-bg: #f8d7da;
    --alert-danger-text: #721c24;
    --highlight-color: #ff6f61; /* A bright, contrasting highlight color */
    --spacing-sm: 10px;
    --spacing-md: 20px;
    --spacing-lg: 30px;
}

body.dark-mode {
    --bg-color: #212529;
    --text-color: #e9ecef;
    --card-bg: #343a40;
    --navbar-bg: #2c3034; /* Slightly lighter than bg-color */
    --navbar-text: #e9ecef;
    --footer-bg: #2c3034; /* Slightly lighter than bg-color */
    --border-color: #495057;
    --shadow-color: rgba(0,0,0,0.3); /* Slightly more pronounced shadow */
    --button-primary-bg: #8a2be2; /* Lighter vibrant purple for dark mode */
    --button-primary-text: white;
    --button-secondary-bg: #5a6268;
    --button-secondary-text: white;
    --button-success-bg: #1e7e34;
    --button-success-text: white;
    --button-warning-bg: #d39e00;
    --button-warning-text: #212529;
    --button-info-bg: #117a8b;
    --button-info-text: white;
    --alert-success-bg: #1e7e34;
    --alert-success-text: #d4edda;
    --alert-danger-bg: #dc3545;
    --alert-danger-text: #f8d7da;
    --highlight-color: #ffa07a; /* Lighter highlight for dark mode */
}

body.match-game-bg {
    background: #d3c5e1 !important;
    min-height: 100vh;
}
.match-game-hero {
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    min-height: 60vh;
    margin-top: 3vh;
    animation: fadeInUp 1s cubic-bezier(.4,2,.6,1);
}
@keyframes fadeInUp {
    from { opacity: 0; transform: translateY(40px); }
    to { opacity: 1; transform: translateY(0); }
}
.match-game-title {
    font-size: 2.8em;
    font-family: 'Nunito', sans-serif;
    font-weight: 800;
    color: #4b2997;
    margin-bottom: 1.2em;
    letter-spacing: 1px;
    animation: bounceIn 1.2s cubic-bezier(.4,2,.6,1);
}
@keyframes bounceIn {
    0% { opacity: 0; transform: scale(0.7); }
    60% { opacity: 1; transform: scale(1.1); }
    80% { transform: scale(0.95); }
    100% { transform: scale(1); }
}
.match-game-mascot {
    width: 110px;
    height: 110px;
    margin-bottom: 1.5em;
    animation: mascotPop 1.3s cubic-bezier(.4,2,.6,1);
}
@keyframes mascotPop {
    0% { opacity: 0; transform: scale(0.5) rotate(-10deg); }
    70% { opacity: 1; transform: scale(1.1) rotate(7deg); }
    100% { transform: scale(1) rotate(0); }
}
.match-game-btn {
    background: #7c3aed;
    color: #fff;
    font-family: 'Nunito', sans-serif;
    font-size: 1.25em;
    font-weight: 700;
    border: none;
    border-radius: 12px;
    padding: 0.8em 2.5em;
    margin-top: 1.2em;
    box-shadow: 0 4px 18px #a78bfa44;
    cursor: pointer;
    transition: background 0.2s, transform 0.2s, box-shadow 0.2s;
    animation: pulseBtn 1.5s infinite alternate;
}
@keyframes pulseBtn {
    0% { box-shadow: 0 0 0 0 #a78bfa44; transform: scale(1); }
    100% { box-shadow: 0 0 0 12px #a78bfa11; transform: scale(1.04); }
}
.match-game-btn:hover {
    background: #a78bfa;
    color: #4b2997;
    transform: scale(1.07);
}
@media (max-width: 600px) {
    .match-game-title { font-size: 2em; }
    .match-game-hero { min-height: 40vh; }
    .match-game-mascot { width: 70px; height: 70px; }
    .match-game-btn { font-size: 1em; padding: 0.7em 1.5em; }
}

html, body {
    height: 100%;
}
body {
    font-family: 'Nunito', sans-serif;
    margin: 0;
    background-color: var(--bg-color);
    color: var(--text-color);
    transition: background-color 0.3s ease, color 0.3s ease;
    opacity: 0; /* Initial state for fade-in */
    animation: fadeIn 0.5s ease-in-out forwards; /* Apply fade-in animation */
    line-height: 1.6; /* Improved readability */
    display: flex;
    flex-direction: column;
    min-height: 100vh;
}

@keyframes fadeIn {
    from { opacity: 0; }
    to { opacity: 1; }
}

/* Adjustments for Bootstrap */
.navbar {
    margin-bottom: var(--spacing-md);
    background-color: var(--navbar-bg) !important;
    transition: background-color 0.3s ease, box-shadow 0.3s ease;
    box-shadow: 0 2px 4px var(--shadow-color);
    opacity: 0;
    animation: navbarFadeIn 0.7s cubic-bezier(.4,2,.6,1) 0.1s forwards;
}
@keyframes navbarFadeIn {
    from { opacity: 0; transform: translateY(-18px); }
    to { opacity: 1; transform: translateY(0); }
}
.navbar-brand, .nav-link {
    color: var(--navbar-text) !important;
}

main, main.container {
    flex: 1 0 auto;
    padding-bottom: 2.5rem !important; /* Espaço para o footer respirar */
}

.footer {
    padding: 18px 0 40px 0 !important; /* Mais respiro abaixo */
    background-color: var(--footer-bg);
    flex-shrink: 0;
    position: static !important;
    height: auto !important;
    line-height: normal !important;
    min-height:unset !important;
    margin: 0 !important;
    border-radius:0 0 1em 1em;
    box-shadow: none !important;
}

.romanization-text-display {
    font-size: 1rem;
    color: #888;
    margin-top: 0.5rem;
}

.flashcard-item:hover .romanization-text {
    display: block !important;
}
.romanization-text {
    font-size: 0.9em;
    color: var(--text-color);
    margin-top: var(--spacing-sm);
}

/* Card and Section Styles */
.card, .categories-filter, .user-decks, .deck-item, .flashcard {
    background-color: var(--card-bg);
    border: 1px solid var(--border-color);
    border-radius: 15px; /* More rounded */
    box-shadow: 0 4px 8px var(--shadow-color); /* Enhanced shadow */
    transition: background-color 0.3s ease, border-color 0.3s ease, box-shadow 0.3s ease, transform 0.3s ease;
    margin-bottom: var(--spacing-md); /* Consistent spacing */
}

.card:hover, .categories-filter:hover, .user-decks:hover, .deck-item:hover, .flashcard:hover {
    transform: translateY(-5px); /* Lift effect on hover */
    box-shadow: 0 8px 16px var(--shadow-color); /* More pronounced shadow on hover */
}

.card-title, h1, h2, h3, h4, h5, h6 {
    color: var(--text-color);
    margin-bottom: var(--spacing-sm); /* Consistent spacing */
}

h1 { font-size: 2.5em; margin-bottom: var(--spacing-md); }
h2 { font-size: 2em; margin-bottom: var(--spacing-md); }
h3 { font-size: 1.75em; margin-bottom: var(--spacing-sm); }
h4 { font-size: 1.5em; margin-bottom: var(--spacing-sm); }
h5 { font-size: 1.25em; margin-bottom: var(--spacing-sm); }
h6 { font-size: 1em; margin-bottom: var(--spacing-sm); }

p {
    margin-bottom: var(--spacing-sm); /* Consistent spacing */
}

/* Input field focus animation */
.form-control {
    padding: 10px 15px; /* Consistent padding */
    border-radius: 8px; /* Consistent rounded corners */
}

.form-control:focus {
    border-color: var(--button-primary-bg);
    box-shadow: 0 0 0 0.25rem rgba(106, 13, 173, 0.25); /* Using a transparent version of primary button color */
    transition: all 0.3s ease;
}

/* Category Filter Styles */
.categories-filter {
    margin-bottom: var(--spacing-md);
    padding: var(--spacing-md);
}

.categories-filter h3 {
    margin-top: 0;
}

.category-button {
    background-color: var(--button-secondary-bg);
    color: var(--button-secondary-text);
    border: none;
    padding: 10px 15px;
    margin: 5px;
    border-radius: 10px; /* More rounded */
    cursor: pointer;
    font-size: 1em;
    transition: background-color 0.3s ease, color 0.3s ease, transform 0.2s ease, box-shadow 0.2s ease;
}

.category-button:hover {
    background-color: var(--button-secondary-bg); /* Keep same background on hover */
    transform: translateY(-2px); /* Subtle hover animation */
    box-shadow: 0 2px 4px var(--shadow-color);
}

.category-button.active {
    background-color: var(--button-primary-bg);
    color: var(--button-primary-text);
}

/* User Decks Styles */
.user-decks {
    margin-top: var(--spacing-md);
    padding: var(--spacing-md);
}

.user-decks h2 {
    margin-top: 0;
}

#decks-list {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(280px, 1fr));
    gap: var(--spacing-md); /* Consistent spacing */
}

.deck-item {
    padding: var(--spacing-md);
    display: flex;
    flex-direction: column;
    justify-content: space-between;
    transition: transform 0.2s ease, box-shadow 0.2s ease;
}

.deck-item:hover {
    transform: translateY(-5px); /* Lift effect on hover */
    box-shadow: 0 8px 16px var(--shadow-color); /* More pronounced shadow on hover */
}

.deck-item h3 {
    margin-top: 0;
    margin-bottom: var(--spacing-sm);
}

.deck-item h3 a {
    text-decoration: none;
    color: var(--button-primary-bg);
}

.deck-item h3 a:hover {
    text-decoration: underline;
}

.deck-item p {
    font-size: 0.9em;
    color: var(--text-color);
    margin-bottom: var(--spacing-sm);
    flex-grow: 1;
}

.deck-actions {
    display: flex;
    gap: var(--spacing-sm);
    margin-top: var(--spacing-sm);
}

.deck-actions .button, .btn {
    display: inline-block;
    padding: 8px 12px;
    text-decoration: none;
    border-radius: 8px; /* More rounded */
    font-size: 0.9em;
    transition: background-color 0.3s ease, transform 0.2s ease, box-shadow 0.2s ease;
}

.deck-actions .button:hover, .btn:hover {
    transform: translateY(-2px);
    box-shadow: 0 2px 4px var(--shadow-color);
}

/* Button press animation */
.deck-actions .button:active, .btn:active {
    transform: scale(0.98); /* Slightly shrink on click */
    box-shadow: 0 1px 2px var(--shadow-color);
}

/* Specific button styles using CSS variables */
.btn-primary {
    background-color: var(--button-primary-bg);
    color: var(--button-primary-text);
    border-color: var(--button-primary-bg);
}
.btn-primary:hover {
    background-color: var(--button-primary-bg);
    border-color: var(--button-primary-bg);
}

.btn-secondary {
    background-color: var(--button-secondary-bg);
    color: var(--button-secondary-text);
    border-color: var(--button-secondary-bg);
}
.btn-secondary:hover {
    background-color: var(--button-secondary-bg);
    border-color: var(--button-secondary-bg);
}

.btn-success {
    background-color: var(--button-success-bg);
    color: var(--button-success-text);
    border-color: var(--button-success-bg);
}
.btn-success:hover {
    background-color: var(--button-success-bg);
    border-color: var(--button-success-bg);
}

.btn-warning {
    background-color: var(--button-warning-bg);
    color: var(--button-warning-text);
    border-color: var(--button-warning-bg);
}
.btn-warning:hover {
    background-color: var(--button-warning-bg);
    border-color: var(--button-warning-bg);
}

.btn-info {
    background-color: var(--button-info-bg);
    color: var(--button-info-text);
    border-color: var(--button-info-bg);
}
.btn-info:hover {
    background-color: var(--button-info-bg);
    border-color: var(--button-info-bg);
}

.alert-success {
    background-color: var(--alert-success-bg);
    color: var(--alert-success-text);
    border-color: var(--alert-success-bg);
}

.alert-danger {
    background-color: var(--alert-danger-bg);
    color: var(--alert-danger-text);
    border-color: var(--alert-danger-bg);
}

/* Specific styles for match study */
.match-container {
    display: flex;
    justify-content: space-around;
    margin-top: var(--spacing-md);
}
.match-column {
    border: 1px solid var(--border-color);
    padding: var(--spacing-md);
    min-height: 200px;
    width: 45%;
    border-radius: 15px;
    background-color: var(--card-bg);
    box-shadow: 0 2px 4px var(--shadow-color);
    transition: background-color 0.3s ease, border-color 0.3s ease, box-shadow 0.3s ease;
}
.match-item {
    background-color: var(--bg-color);
    border: 1px solid var(--border-color);
    padding: 8px;
    margin-bottom: var(--spacing-sm);
    cursor: grab;
    border-radius: 8px;
    transition: background-color 0.3s ease, transform 0.2s ease;
}
.match-item.dragging {
    opacity: 0.5;
}
.matched {
    background-color: var(--alert-success-bg);
    border-color: var(--button-success-bg);
    color: var(--alert-success-text);
}
.hangul-text {
    cursor: pointer;
}

/* Lobby Grid Styles (Kanban/Masonry) */
.lobby-grid {
    display: grid;
    grid-template-columns: 1fr 2fr; /* Adjust column ratio as needed */
    gap: var(--spacing-md);
    align-items: start; /* Align items to the start of their grid area */
}

.lobby-column {
    display: flex;
    flex-direction: column;
    gap: var(--spacing-md);
}

/* Responsive adjustments */
@media (max-width: 992px) {
    .lobby-grid {
        grid-template-columns: 1fr; /* Stack columns on smaller screens */
    }
}

@media (max-width: 768px) {
    h1 { font-size: 2em; }
    h2 { font-size: 1.75em; }
    .navbar { margin-bottom: var(--spacing-sm); }
    .card, .categories-filter, .user-decks, .deck-item {
        margin-bottom: var(--spacing-sm);
    }
    .deck-actions {
        flex-direction: column;
        gap: var(--spacing-sm);
    }
    .deck-actions .button, .btn {
        width: 100%;
    }
    .match-container {
        flex-direction: column;
        gap: var(--spacing-md);
    }
    .match-column {
        width: 100%;
    }
}

/* Efeito Duolingo para blank na frase - atualizado */
.duo-blank, .duo-line, .duo-answer, #phrase-study-answer {
    font-family: 'Nunito', sans-serif !important;
}
#phrase-study-answer {
    border: 2px solid #a78bfa;
    border-radius: 12px;
    font-size: 1.15em;
    padding: 0.7em 1.2em;
    background: #f8fafc;
    color: #4b2997;
    box-shadow: 0 2px 8px #a78bfa22;
    transition: border 0.2s, box-shadow 0.2s;
    outline: none;
    margin-bottom: 1.2em;
}
#phrase-study-answer:focus {
    border: 2px solid #7c3aed;
    box-shadow: 0 0 0 3px #a78bfa33;
}
#phrase-study-verify-btn, .duo-verify-btn {
    background: #7c3aed;
    color: #fff;
    font-family: 'Nunito', sans-serif;
    font-size: 1.1em;
    font-weight: 700;
    border: none;
    border-radius: 10px;
    padding: 0.7em 0;
    margin-top: 0.5em;
    box-shadow: 0 2px 8px #a78bfa22;
    cursor: pointer;
    transition: background 0.2s, color 0.2s, transform 0.15s;
    width: 100%;
    max-width: 420px;
    display: block;
}
#phrase-study-verify-btn:hover, .duo-verify-btn:hover {
    background: #a78bfa;
    color: #4b2997;
    transform: scale(1.03);
}

/* Quiz visual improvements */
.quiz-question-block {
  background: #f8fafc;
  border-radius: 1.1em;
  box-shadow: 0 2px 8px #a78bfa22;
  padding: 1.2em 1em 1.2em 1em;
  margin-bottom: 2em;
  border: 2px solid transparent;
  transition: border 0.2s, box-shadow 0.2s;
}
.quiz-current {
  border: 2px solid #a78bfa;
  box-shadow: 0 4px 16px #a78bfa33;
}
.quiz-qnum {
  font-weight: bold;
  color: #a78bfa;
  font-size: 1.2em;
}
.quiz-options-group {
  display: flex;
  flex-direction: column;
  gap: 0.7em;
  margin: 1em 0 0.5em 0;
}
.quiz-option-label {
  display: flex;
  align-items: center;
  gap: 0.7em;
  background: #fff;
  border-radius: 0.7em;
  border: 1.5px solid #e0e0e0;
  padding: 0.5em 1em;
  cursor: pointer;
  transition: border 0.2s, background 0.2s;
  font-size: 1.08em;
  user-select: none;
}
.quiz-option-label:hover {
  border: 1.5px solid #a78bfa;
  background: #f3e8ff;
}
.quiz-option-selected {
  border: 2px solid #a78bfa !important;
  background: #ede9fe !important;
}
.quiz-option-label input[type=radio] {
  accent-color: #a78bfa;
  width: 1.1em;
  height: 1.1em;
}
#quiz-progress-bar {
  width: 100%;
  margin-bottom: 1.2em;
}
#quiz-progress {
  height: 100%;
  background: #a78bfa;
  border-radius: 5px;
  transition: width 0.3s;
}
@media (max-width: 600px) {
  .quiz-question-block { padding: 0.7em 0.4em; }
  .quiz-options-group { gap: 0.4em; }
  .quiz-option-label { font-size: 1em; padding: 0.4em 0.6em; }
}

h4.card-title, .card-title.category-title, .category-title {
    font-family: 'Nunito', 'Segoe UI', Arial, sans-serif !important;
    font-weight: 900 !important;
    letter-spacing: -0.5px;
}

.match-grid {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    grid-auto-rows: 1fr;
    gap: 18px;
    justify-items: center;
    align-items: stretch;
    margin: 32px auto 0 auto;
    max-width: 900px;
    width: 100%;
    min-height: 350px;
}

.match-btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    position: relative;
    gap: 8px; /* Espaço entre texto e ícone */
    background: #fff;
    border-radius: 16px;
    box-shadow: 0 2px 8px #0001;
    min-width: 120px !important;
    min-height: 56px !important;
    max-width: 200px !important;
    padding: 18px 12px;
    font-size: 1.1rem;
    font-weight: 600;
    color: #4a4a4a;
    transition: box-shadow 0.2s, background 0.2s;
    word-break: break-word;
    text-align: center;
    border: none;
    cursor: pointer;
    animation: match-fade-in 0.35s cubic-bezier(.4,2,.6,1);
    width: 100% !important;
    box-sizing: border-box !important;
}

.match-btn .tts-icon {
    position: static !important; /* Remove o absolute herdado */
    margin-left: 8px;
    font-size: 1.2em;
    color: #7c3aed;
    cursor: pointer;
    display: inline-flex;
    align-items: center;
}

.match-btn:active,
.match-btn.selected {
    box-shadow: 0 4px 16px #0002;
    background: #f0f4ff;
}

@media (max-width: 600px) {
    .match-grid {
        grid-template-columns: repeat(2, 1fr);
        gap: 10px;
        padding: 0 6px;
    }
    .match-btn {
        font-size: 1rem;
        min-width: 80px;
        min-height: 44px;
        padding: 8px 4px;
    }
    .match-btn .tts-icon {
        font-size: 1em;
        margin-left: 6px;
    }
}

.match-header-container {
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: flex-start;
    margin-top: 12vh;
    margin-bottom: 2vh;
    transition: margin 0.6s cubic-bezier(.4,2,.6,1);
}
.match-header-container.header-top {
    margin-top: 2vh;
    margin-bottom: 1vh;
    transition: margin 0.6s cubic-bezier(.4,2,.6,1);
}

.korean-text {
    font-family: 'Noto Sans KR', 'Nunito', sans-serif !important;
    letter-spacing: 0.01em;
}

.navbar-toggler {
    border: none;
    background: transparent;
    outline: none;
    box-shadow: none;
    transition: transform 0.3s cubic-bezier(.4,2,.6,1);
}
.navbar-toggler:focus {
    outline: none;
    box-shadow: 0 0 0 2px #a78bfa55;
}
.navbar-toggler.collapsed .navbar-toggler-icon {
    transition: all 0.3s cubic-bezier(.4,2,.6,1);
    transform: rotate(0deg) scale(1);
}
.navbar-toggler:not(.collapsed) .navbar-toggler-icon {
    transition: all 0.3s cubic-bezier(.4,2,.6,1);
    transform: rotate(90deg) scale(1.2);
}
.navbar-collapse {
    transition: max-height 0.5s cubic-bezier(.4,2,.6,1), opacity 0.4s cubic-bezier(.4,2,.6,1);
    overflow: hidden;
    max-height: 1000px;
    opacity: 1;
}
.navbar-collapse.collapsing, .navbar-collapse:not(.show) {
    max-height: 0 !important;
    opacity: 0.2;
}
.navbar-nav .nav-link {
    transition: color 0.2s, background 0.2s, border-radius 0.2s, box-shadow 0.2s;
    border-radius: 18px;
    margin: 0.2em 0;
    padding: 0.7em 1.2em;
    font-size: 1.15em;
    font-weight: 600;
}
.navbar-nav .nav-link:hover, .navbar-nav .nav-link:focus {
    background: #ede9fe;
    color: #7c3aed !important;
    box-shadow: 0 2px 12px #a78bfa33;
    text-decoration: none;
    transform: translateY(-2px) scale(1.04);
}
@media (max-width: 991px) {
    #navbarNavMobile.collapse.show,
    .navbar-collapse.collapse.show {
        position: fixed !important;
        top: 56px !important;
        left: 0;
        width: 100vw !important;
        min-width: 100vw !important;
        max-width: 100vw !important;
        z-index: 1051 !important;
        background: #fff !important;
        box-shadow: 0 4px 24px #a78bfa22;
        border-radius: 0 0 1.2em 1.2em;
        padding-bottom: 2em;
        margin: 0;
    }
    #lottie-navbar {
        z-index: 1 !important;
    }
    #navbarNavMobile .navbar-nav {
        display: flex !important;
        flex-direction: column !important;
        align-items: center !important;
        justify-content: center !important;
        width: 100%;
        gap: 1.2em;
        padding: 2em 0 1em 0;
    }
    #navbarNavMobile .nav-item {
        width: 100%;
        text-align: center;
    }
    #navbarNavMobile .nav-link {
        width: 100%;
        text-align: center;
        font-size: 1.2em;
        padding: 1em 0.5em;
        border-radius: 1em;
    }
}
@media (min-width: 992px) {
    .navbar-collapse {
        display: flex !important;
        max-height: none !important;
        opacity: 1 !important;
        transition: none !important;
    }
    .desktop-menu {
        display: none !important;
    }
    .desktop-menu.open {
        display: flex !important;
    }
}

#gamified-profile {
    background: linear-gradient(120deg,#f8fafc 60%,#e0e7ff 100%);
    border: 2.5px solid #a78bfa;
    box-shadow: 0 8px 32px #7c3aed33, 0 1.5px 0 #a78bfa;
    border-radius: 2.2rem !important;
    padding-top: 2.7rem !important;
    padding-bottom: 2.7rem !important;
    position: relative;
    overflow: visible;
    animation: profile-pop 0.7s cubic-bezier(.68,-0.55,.27,1.55);
    color: #312e81;
    background-blend-mode: lighten;
    transition: box-shadow 0.3s, border 0.3s;
}
#gamified-profile:hover {
    box-shadow: 0 12px 40px #a78bfa55, 0 1.5px 0 #a78bfa;
    border-color: #7c3aed;
}
#gamified-profile .avatar-anim {
    border: 6px solid #a78bfa;
    box-shadow: 0 4px 24px #a78bfa44, 0 0 0 8px #ede9fe;
    background: #fff;
    margin-bottom: 1.2rem;
    animation: avatar-bounce 1.2s cubic-bezier(.68,-0.55,.27,1.55);
}
#gamified-profile .fw-bold, #gamified-profile .fw-semi {
    text-shadow: 0 2px 8px #a78bfa22, 0 1px 0 #fff;
}
#profile-level-xp .badge {
    font-size: 1.1em;
    background: linear-gradient(90deg,#a78bfa,#7c3aed);
    box-shadow: 0 2px 8px #a78bfa33;
    border-radius: 1em;
    font-weight: 800;
    letter-spacing: 0.5px;
    color: #fff;
    padding: 0.5em 1.2em;
    border: none;
}
#profile-xp {
    color: #7c3aed !important;
    font-weight: 700;
    text-shadow: 0 1px 0 #fff;
}
#profile-xp-bar {
    background: linear-gradient(90deg,#22c55e 60%,#16a34a 100%);
    color: #fff !important;
    font-weight: 900;
    font-size: 1.1em;
    text-shadow: 0 1px 0 #16653444;
    border-radius: 8px;
    box-shadow: 0 2px 8px #22c55e33;
    transition: width 0.5s cubic-bezier(.4,2,.6,1), background 0.3s;
}
#profile-badges .badge {
    font-size: 1.25em;
    padding: 0.5em 1.5em;
    border-radius: 1.2em;
    box-shadow: 0 2px 12px #fde68a99, 0 1.5px 0 #fde68a;
    background: linear-gradient(90deg,#fef9c3,#fde68a 60%,#fef08a 100%);
    color: #b45309;
    font-weight: 900;
    letter-spacing: 0.5px;
    text-shadow: 0 2px 8px #fffbe6, 0 1px 0 #fff;
    border: 2px solid #fde68a;
    filter: drop-shadow(0 2px 8px #fde68a55);
    transition: box-shadow 0.3s, border 0.3s;
}
#profile-badges .badge.silver {
    background: linear-gradient(90deg,#f3f4f6,#e5e7eb 60%,#d1d5db 100%);
    color: #64748b;
    border: 2px solid #cbd5e1;
    text-shadow: 0 2px 8px #f1f5f9, 0 1px 0 #fff;
    box-shadow: 0 2px 12px #cbd5e199, 0 1.5px 0 #cbd5e1;
    filter: drop-shadow(0 2px 8px #cbd5e155);
}
#profile-badges .badge.gold {
    background: linear-gradient(90deg,#fef08a,#fde047 60%,#facc15 100%);
    color: #b45309;
    border: 2px solid #fde047;
    text-shadow: 0 2px 8px #fffbe6, 0 1px 0 #fff;
    box-shadow: 0 2px 12px #fde04799, 0 1.5px 0 #fde047;
    filter: drop-shadow(0 2px 8px #fde04755);
}
#profile-badges .badge.bronze {
    background: linear-gradient(90deg,#fcd34d,#fbbf24 60%,#f59e42 100%);
    color: #a16207;
    border: 2px solid #fbbf24;
    text-shadow: 0 2px 8px #fff7ed, 0 1px 0 #fff;
    box-shadow: 0 2px 12px #fbbf2499, 0 1.5px 0 #fbbf24;
    filter: drop-shadow(0 2px 8px #fbbf2455);
}
#profile-badges .badge svg, #profile-badges .badge i {
    margin-right: 0.5em;
    vertical-align: middle;
    font-size: 1.2em;
}
#gamified-profile .welcome-text {
    font-size: 1.13em;
    color: #4f46e5;
    background: #f8fafc;
    border-radius: 1em;
    padding: 0.8em 1.2em;
    box-shadow: 0 2px 8px #a78bfa11;
    margin-top: 1.5em;
    font-weight: 600;
    letter-spacing: 0.2px;
}

.desktop-menu {
    position: absolute;
    top: 0;
    right: 0;
    height: 100%;
    width: 0;
    background: rgba(255,255,255,0.0); /* totalmente transparente */
    backdrop-filter: blur(0.5px);
    z-index: 1050;
    overflow: hidden;
    opacity: 0;
    transition: width 0.35s cubic-bezier(.4,2,.6,1), opacity 0.25s;
    display: flex;
    align-items: center;
    box-shadow: none;
    padding: 0;
}
.desktop-menu.open {
    width: 520px;
    opacity: 1;
    background: rgba(255,255,255,0.0);
    box-shadow: none;
    border-radius: 0 0 1.2em 1.2em;
    padding-right: 56px; /* Espaço para o X */
}
.desktop-menu ul {
    flex-direction: row !important;
    width: 100%;
    padding: 0 1em;
    margin: 0;
    display: flex;
    align-items: center;
    justify-content: flex-end;
    height: 100%;
    gap: 1.2em;
}
.desktop-menu .nav-link {
    width: auto;
    text-align: center;
    font-size: 1.08em;
    padding: 0.5em 1.1em;
    margin: 0;
    border-radius: 0.7em;
    transition: background 0.2s, color 0.2s, box-shadow 0.2s;
    height: 100%;
    display: flex;
    align-items: center;
}
.desktop-menu .nav-link:hover, .desktop-menu .nav-link:focus {
    background: #ede9fe;
    color: #7c3aed !important;
    box-shadow: 0 2px 12px #a78bfa22;
    text-decoration: none;
}
.desktop-hamburger {
    z-index: 1200;
    position: absolute;
    top: 0;
    right: 0;
    width: 56px;
    height: 100%;
    display: flex !important;
    align-items: center;
    justify-content: center;
    background: transparent !important;
    border: none;
    transition: transform 0.3s;
}
.desktop-hamburger .navbar-toggler-icon {
    width: 32px;
    height: 32px;
    display: flex;
    align-items: center;
    justify-content: center;
}
.desktop-hamburger.open .navbar-toggler-icon {
    background-image: none;
    position: relative;
    display: flex;
    align-items: center;
    justify-content: center;
}
.desktop-hamburger.open .navbar-toggler-icon:before {
    content: '\00d7';
    font-size: 2.2em;
    color: #7c3aed;
    position: absolute;
    left: 50%;
    top: 50%;
    transform: translate(-50%,-50%);
    width: 100%;
    height: 100%;
    text-align: center;
    line-height: 1;
}
@media (max-width: 991px) {
    .desktop-menu { display: none !important; }
    .desktop-hamburger { display: none !important; }
}

.lingo-navbar {
    min-height: 90px;
}

/* ====== BOAS-VINDAS (TELA INICIAL) ====== */
.welcome-box {
    background: rgba(255,255,255,0.85);
    border-radius: 1.7em;
    padding: 2.2em 2.5em 2em 2.5em;
    margin: 2em auto 0 auto;
    max-width: 480px;
    box-sizing: border-box;
    text-align: center;
    box-shadow: 0 4px 32px #a78bfa22;
}
.welcome-title {
    font-size: 2.3em;
    font-weight: 900;
    color: #222;
    margin-bottom: 0.5em;
    letter-spacing: 0.5px;
    font-family: 'Nunito', 'Segoe UI', Arial, sans-serif;
}
.welcome-title .light {
    font-weight: 400;
    color: #444;
}
.welcome-desc {
    font-size: 1.15em;
    font-weight: 600;
    color: #ffb300;
    margin-bottom: 0.2em;
    line-height: 1.5;
    display: block;
}
@media (max-width: 600px) {
    .welcome-box {
        padding: 1.2em 0.7em 1.2em 0.7em;
        max-width: 98vw;
    }
    .welcome-title { font-size: 1.5em; }
    .welcome-desc { font-size: 1em; }
}

/* Animação de aparecimento */
@keyframes match-fade-in {
  from { opacity: 0; transform: scale(0.85);}
  to   { opacity: 1; transform: scale(1);}
}
.match-btn {
  animation: match-fade-in 0.35s cubic-bezier(.4,2,.6,1);
}

/* Highlight ao selecionar */
.match-btn.selected {
  background: #ede9fe !important;
  border: 2px solid #7c3aed !important;
  color: #4b2995 !important;
  transform: scale(1.06);
  z-index: 2;
  box-shadow: 0 0 0 4px #a78bfa55;
  transition: background 0.15s, border 0.15s, color 0.15s, box-shadow 0.15s, transform 0.12s;
}

/* Highlight de acerto */
.match-btn.correct {
  background: #d1fae5 !important;
  border: 2px solid #22c55e !important;
  color: #166534 !important;
  animation: match-pulse 0.5s;
  pointer-events: none;
}
@keyframes match-pulse {
  0% { box-shadow: 0 0 0 0 #22c55e44; }
  70% { box-shadow: 0 0 0 10px #22c55e22; }
  100% { box-shadow: 0 0 0 0 #22c55e00; }
}

/* Highlight de erro */
.match-btn.incorrect {
  background: #fee2e2 !important;
  border: 2px solid #ef4444 !important;
  color: #991b1b !important;
  animation: match-shake 0.35s;
}
@keyframes match-shake {
  0% { transform: translateX(0);}
  20% { transform: translateX(-7px);}
  40% { transform: translateX(7px);}
  60% { transform: translateX(-5px);}
  80% { transform: translateX(5px);}
  100% { transform: translateX(0);}
}

/* Animação de desaparecimento */
.match-btn.match-fade-out {
  opacity: 0 !important;
  transform: scale(0.7) !important;
  transition: opacity 0.35s, transform 0.35s;
  pointer-events: none;
}

#timer {
  display: inline-block;
  background: #fff;
  color: #7c3aed;
  font-weight: bold;
  font-size: 1.25rem;
  padding: 10px 28px;
  border-radius: 32px;
  box-shadow: 0 2px 8px #a78bfa33;
  border: 2px solid #a78bfa;
  margin: 0 auto 18px auto;
  letter-spacing: 1px;
  transition: background 0.2s, color 0.2s;
}

@media (max-width: 600px) {
  #timer {
    font-size: 1.05rem;
    padding: 7px 12px;
  }
}

#restart-btn {
  display: inline-block;
  background: #fff;
  color: #7c3aed;
  font-weight: bold;
  font-size: 1.1rem;
  padding: 10px 28px;
  border-radius: 32px;
  box-shadow: 0 2px 8px #a78bfa33;
  border: 2px solid #a78bfa;
  margin: 0 8px 18px 8px;
  letter-spacing: 1px;
  transition: background 0.2s, color 0.2s, border 0.2s;
  cursor: pointer;
}
#restart-btn:hover, #restart-btn:focus {
  background: #ede9fe;
  color: #4b2995;
  border-color: #7c3aed;
}

.match-stats {
  display: flex;
  justify-content: center;
  gap: 18px;
  margin-bottom: 18px;
}
.match-stat {
  display: inline-block;
  background: #fff;
  font-weight: bold;
  font-size: 1.1rem;
  padding: 8px 22px;
  border-radius: 32px;
  box-shadow: 0 2px 8px #a78bfa22;
  border: 2px solid #a78bfa;
  letter-spacing: 1px;
  min-width: 60px;
  text-align: center;
}
.match-correct {
  color: #22c55e;
  border-color: #22c55e;
}
.match-wrong {
  color: #ef4444;
  border-color: #ef4444;
}
@media (max-width: 600px) {
  .match-stat {
    font-size: 1rem;
    padding: 6px 10px;
    min-width: 40px;
  }
  .match-stats {
    gap: 8px;
  }
}

.study-stats {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 10px;
  margin-bottom: 18px;
}

.study-stat {
  display: inline-block;
  background: #fff;
  color: #7c3aed;
  font-weight: bold;
  font-size: 1.15rem;
  padding: 8px 28px;
  border-radius: 32px;
  box-shadow: 0 2px 8px #a78bfa33;
  border: 2px solid #a78bfa;
  letter-spacing: 1px;
  min-width: 80px;
  text-align: center;
  margin-bottom: 0;
}

.study-stat.time {
  color: #7c3aed;
  border-color: #a78bfa;
}

.study-stat.attempts {
  color: #ef4444;
  border-color: #ef4444;
}

.study-stat.progress {
  color: #22c55e;
  border-color: #22c55e;
}

@media (max-width: 600px) {
  .study-stat {
    font-size: 1rem;
    padding: 6px 10px;
    min-width: 50px;
  }
  .study-stats {
    gap: 6px;
  }
}

.match-tooltip, .match-hover-balao, .match-hover-tooltip {
    white-space: nowrap;
    word-break: keep-all;
    overflow-wrap: normal;
    opacity: 0;
    pointer-events: none;
    transition: opacity 0.18s cubic-bezier(.4,2,.6,1);
    width: auto !important;
    min-width: 0 !important;
    max-width: none !important;
    padding: 0.7em 1.4em !important;
    text-align: center;
    left: 50%;
    transform: translateX(-50%);
    box-sizing: border-box;
}
.match-tooltip.active, .match-hover-balao.active, .match-hover-tooltip.active {
    opacity: 1;
    pointer-events: auto;
}

.category-content-icon {
    position: relative;
    z-index: 20;
}
.category-content-popover {
    position: absolute;
    top: 38px;
    right: 0;
    background: #fff;
    border-radius: 1em;
    box-shadow: 0 8px 32px #a78bfa33, 0 2px 8px #0001;
    padding: 1em 1.1em 0.7em 1.1em;
    min-width: 240px;
    max-width: 340px;
    z-index: 3000;
    border: 1.5px solid #ede9fe;
    display: none;
    animation: popover-fade-in 0.18s cubic-bezier(.4,2,.6,1);
    font-size: 0.7em;
}
@keyframes popover-fade-in {
    from { opacity: 0; transform: translateY(-10px) scale(0.97); }
    to   { opacity: 1; transform: translateY(0) scale(1); }
}
.category-content-popover::before {
    content: '';
    position: absolute;
    top: -12px;
    right: 18px;
    border-width: 0 10px 12px 10px;
    border-style: solid;
    border-color: transparent transparent #ede9fe transparent;
    display: block;
}
.category-content-popover::after {
    content: '';
    position: absolute;
    top: -10px;
    right: 20px;
    border-width: 0 8px 10px 8px;
    border-style: solid;
    border-color: transparent transparent #fff transparent;
    display: block;
}
.category-content-icon i.fa-book {
    font-size: 1em !important;
}
@media (max-width: 600px) {
    .category-content-popover {
        left: 50% !important;
        right: auto !important;
        transform: translateX(-50%);
        min-width: 180px;
        max-width: 95vw;
    }
    .category-content-popover::before, .category-content-popover::after {
        right: 50%;
        left: 50%;
        transform: translateX(50%);
    }
}

.tts-hangul .tts-icon {
    opacity: 0;
    pointer-events: none;
    transition: opacity 0.18s cubic-bezier(.4,2,.6,1), transform 0.18s cubic-bezier(.4,2,.6,1);
    transform: scale(0.95);
    z-index: 10;
}
.tts-hangul:hover .tts-icon,
.tts-hangul:focus .tts-icon,
.tts-hangul .tts-icon.active {
    opacity: 1;
    pointer-events: auto;
    transform: scale(1);
    display: block !important;
}
.tts-icon {
    position: absolute;
    left: 50%;
    bottom: 120%;
    transform: translateX(-50%) scale(0.95);
    background: none;
    color: #7c3aed;
    font-size: 1.1em;
    border: none;
    box-shadow: none;
    padding: 0;
}
.tts-tooltip {
    display: flex;
    align-items: center;
    justify-content: center;
    position: absolute;
    left: 50%;
    bottom: 120%;
    transform: translateX(-50%) scale(0.95);
    background: #7c3aed;
    color: #fff;
    font-size: 1.05em;
    padding: 0.18em 0.7em 0.18em 0.7em;
    border-radius: 1.5em;
    white-space: nowrap;
    box-shadow: 0 2px 8px #a78bfa33;
    z-index: 100;
    opacity: 0;
    pointer-events: none;
    transition: opacity 0.18s cubic-bezier(.4,2,.6,1), transform 0.18s cubic-bezier(.4,2,.6,1);
    font-weight: 600;
    letter-spacing: 0.01em;
    min-width: 28px;
    min-height: 28px;
}
.tts-tooltip i.fas.fa-volume-up {
    font-size: 1em;
    color: #fff;
    margin: 0;
}
.tts-icon.active .tts-tooltip {
    opacity: 1;
    transform: translateX(-50%) scale(1);
}

/* --- Fix definitivo menu hamburguer desktop --- */
@media (min-width: 992px) {
  #desktopMenu {
    display: none !important;
  }
  #desktopMenu.open {
    display: flex !important;
  }
}

/* --- Tabelas responsivas e estilizadas para conteúdo --- */
.conteudo-html .table-responsive {
  width: 100%;
  overflow-x: auto;
  -webkit-overflow-scrolling: touch;
}
.conteudo-html table {
  width: 100%;
  border-collapse: collapse;
  margin: 1.5em 0;
  background: #fff;
  font-family: 'Nunito', 'Segoe UI', Arial, sans-serif !important;
  font-size: 1em;
  color: #312e81;
  box-shadow: 0 2px 12px #a78bfa11;
  table-layout: auto;
}
.conteudo-html th, .conteudo-html td {
  padding: 0.7em 1em !important;
  font-size: 1em;
  white-space: nowrap;
}
.conteudo-html th {
  background: #ede9fe !important;
  font-weight: 800;
  color: #7c3aed !important;
}
.conteudo-html tr:nth-child(even) td {
  background: #f3e8ff !important;
}
.conteudo-html tr:hover td {
  background: #e9d5ff !important;
}
@media (max-width: 700px) {
  .conteudo-html th, .conteudo-html td {
    padding: 0.35em 0.4em !important;
    font-size: 0.93em;
    white-space: normal;
    word-break: keep-all;
    min-width: 60px;
    max-width: 140px;
  }
  .conteudo-html table {
    font-size: 0.93em;
  }
}
/* Remove visual de new blank do editor */
.conteudo-html p:empty, .conteudo-html p:blank, .conteudo-html p[data-mce-bogus="1"] {
  display: none !important;
}
/* Força fonte e cor do site sobre o editor */
.conteudo-html, .conteudo-html * {
  font-family: 'Nunito', 'Segoe UI', Arial, sans-serif !important;
  color: #312e81 !important;
  font-size: 1em;
  background: none !important;
  box-shadow: none !important;
}

/* Garante que a tabela nunca vaze da box de conteúdo no desktop */
@media (min-width: 701px) {
  .conteudo-box {
    overflow-x: hidden;
    max-width: 100%;
  }
  .conteudo-html .table-responsive {
    width: 100% !important;
    max-width: 100% !important;
    overflow-x: hidden !important;
    margin: 0;
    padding: 0;
  }
  .conteudo-html table {
    width: 100% !important;
    min-width: 0 !important;
    max-width: 100% !important;
    table-layout: auto;
  }
  .conteudo-html th {
    white-space: normal !important;
    word-break: break-word;
  }
}

/* Mobile: mantém rolagem horizontal */
@media (max-width: 700px) {
  .conteudo-html .table-responsive {
    overflow-x: auto;
  }
}

@media (min-width: 601px) {
  .phrase-option-btn-long {
    font-size: 0.98em !important;
    letter-spacing: -0.01em;
    hyphens: none !important;
  }
}
@media (max-width: 600px) {
  .phrase-option-btn-long {
    font-size: 1.08em !important;
    hyphens: auto !important;
  }
}