:root {
    --talk-primary: #667eea;
    --talk-primary-dark: #5a67d8;
    --talk-secondary: #f093fb;
    --talk-success: #48bb78;
    --talk-success-dark: #38a169;
    --talk-danger: #fc8181;
    --talk-danger-dark: #f56565;
    --talk-warning: #fbd38d;
    --talk-streak: #ed8936;
    --talk-xp: #9f7aea;
    
    --avatar-bg: linear-gradient(135deg, #667eea 0%, #f093fb 100%);
    --card-hover: rgba(102, 126, 234, 0.1);
    --glow-primary: rgba(102, 126, 234, 0.4);
    --glow-success: rgba(72, 187, 120, 0.4);
    --glow-danger: rgba(252, 129, 129, 0.4);
}

[data-theme="dark"] {
    --card-hover: rgba(102, 126, 234, 0.15);
}

* {
    box-sizing: border-box;
    margin: 0;
    padding: 0;
}

body {
    font-family: 'Nunito', -apple-system, BlinkMacSystemFont, sans-serif;
    overflow-x: hidden;
}

.ambient-bg {
    position: fixed;
    inset: 0;
    pointer-events: none;
    z-index: -1;
    overflow: hidden;
}

.gradient-orb {
    position: absolute;
    border-radius: 50%;
    filter: blur(80px);
    opacity: 0.5;
    animation: float 20s infinite ease-in-out;
}

.orb-1 {
    width: 400px;
    height: 400px;
    background: var(--talk-primary);
    top: -100px;
    left: -100px;
    animation-delay: 0s;
}

.orb-2 {
    width: 300px;
    height: 300px;
    background: var(--talk-secondary);
    bottom: -50px;
    right: -50px;
    animation-delay: -7s;
}

.orb-3 {
    width: 250px;
    height: 250px;
    background: var(--talk-xp);
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
    animation-delay: -14s;
}

[data-theme="dark"] .gradient-orb {
    opacity: 0.2;
}

@keyframes float {
    0%, 100% { transform: translate(0, 0) scale(1); }
    25% { transform: translate(30px, -30px) scale(1.05); }
    50% { transform: translate(-20px, 20px) scale(0.95); }
    75% { transform: translate(20px, 10px) scale(1.02); }
}

.container {
    position: relative;
    z-index: 1;
}

.game-wrapper {
    flex: 1;
    display: flex;
    flex-direction: column;
    width: 100%;
    max-width: 600px;
    margin: 0 auto;
    padding: 0 1rem;
    min-height: calc(100vh - 200px);
}

.app-logo {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    font-weight: 800;
    font-size: 1.5rem;
    background: var(--avatar-bg);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.logo-icon {
    width: 36px;
    height: 36px;
}

.logo-icon svg {
    width: 100%;
    height: 100%;
}

.header-buttons {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    grid-column: 3;
    justify-self: end;
}

.sound-toggle {
    width: 40px;
    height: 40px;
    border-radius: 50%;
    border: 1px solid var(--border-subtle);
    background: var(--bg-card);
    cursor: pointer;
    display: flex;
    align-items: center;
    justify-content: center;
    transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
    padding: 0;
    color: var(--talk-primary);
    box-shadow: var(--shadow-sm);
}

.sound-toggle:hover {
    transform: translateY(-2px);
    box-shadow: var(--shadow-md);
    border-color: var(--talk-primary);
}

.sound-toggle.muted {
    color: var(--text-tertiary);
}

.sound-toggle.muted:hover {
    color: var(--talk-danger);
    border-color: var(--talk-danger);
}

.sound-toggle svg {
    width: 20px;
    height: 20px;
}

.language-select-screen {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 2rem;
    padding: 1rem 0;
    animation: fadeInUp 0.6s ease;
}

@keyframes fadeInUp {
    from {
        opacity: 0;
        transform: translateY(20px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

.welcome-avatar {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 1.5rem;
}

.avatar-container {
    position: relative;
    width: 120px;
    height: 120px;
}

.avatar-container.large {
    width: 140px;
    height: 140px;
}

.avatar-ring {
    position: absolute;
    inset: -4px;
    border-radius: 50%;
    background: var(--avatar-bg);
    animation: ring-pulse 2s infinite ease-in-out;
}

@keyframes ring-pulse {
    0%, 100% { transform: scale(1); opacity: 0.8; }
    50% { transform: scale(1.05); opacity: 1; }
}

.avatar-face {
    position: absolute;
    inset: 4px;
    background: var(--bg-card);
    border-radius: 50%;
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    gap: 8px;
    box-shadow: var(--shadow-lg);
    overflow: hidden;
}

.avatar-face::before {
    content: '';
    position: absolute;
    inset: 0;
    background: var(--avatar-bg);
    opacity: 0.1;
}

.avatar-glow {
    position: absolute;
    inset: -20px;
    background: var(--avatar-bg);
    border-radius: 50%;
    filter: blur(30px);
    opacity: 0.3;
    z-index: -1;
}

.avatar-eyes {
    display: flex;
    gap: 20px;
    position: relative;
    z-index: 1;
}

.avatar-eye {
    width: 24px;
    height: 24px;
    background: white;
    border-radius: 50%;
    position: relative;
    box-shadow: inset 0 2px 4px rgba(0,0,0,0.1);
}

.avatar-container.large .avatar-eye {
    width: 28px;
    height: 28px;
}

.avatar-eyes.closed .avatar-eye {
    height: 4px;
    border-radius: 4px;
    align-self: center;
}

.pupil {
    position: absolute;
    width: 12px;
    height: 12px;
    background: #2d3748;
    border-radius: 50%;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
    transition: all 0.2s ease;
}

.avatar-container.large .pupil {
    width: 14px;
    height: 14px;
}

.pupil::after {
    content: '';
    position: absolute;
    width: 4px;
    height: 4px;
    background: white;
    border-radius: 50%;
    top: 2px;
    right: 2px;
}

.avatar-mouth {
    width: 30px;
    height: 15px;
    position: relative;
    z-index: 1;
}

.avatar-mouth.happy {
    background: transparent;
    border-bottom: 4px solid #2d3748;
    border-radius: 0 0 30px 30px;
}

.avatar-mouth.sad {
    background: transparent;
    border-top: 4px solid #2d3748;
    border-radius: 30px 30px 0 0;
    margin-top: 5px;
}

.avatar-mouth.big-smile {
    width: 40px;
    height: 20px;
    background: #fc8181;
    border-radius: 0 0 40px 40px;
    border: 3px solid #2d3748;
    border-top: none;
}

.avatar-container.celebrating {
    animation: celebrate 0.5s ease infinite;
}

@keyframes celebrate {
    0%, 100% { transform: rotate(-5deg) scale(1); }
    50% { transform: rotate(5deg) scale(1.05); }
}

.avatar-speech {
    background: var(--bg-card);
    padding: 1rem 1.5rem;
    border-radius: 1.5rem;
    box-shadow: var(--shadow-md);
    position: relative;
    max-width: 300px;
    text-align: center;
    font-weight: 600;
    color: var(--text-primary);
}

.avatar-speech::before {
    content: '';
    position: absolute;
    top: -10px;
    left: 50%;
    transform: translateX(-50%);
    border-width: 0 10px 10px 10px;
    border-style: solid;
    border-color: transparent transparent var(--bg-card) transparent;
}

.typing-text {
    display: inline-block;
}

.language-grid {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 1rem;
    width: 100%;
    max-width: 400px;
}

.language-card {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 0.5rem;
    padding: 1.25rem 1rem;
    background: var(--bg-card);
    border: 2px solid var(--border-subtle);
    border-radius: 1rem;
    cursor: pointer;
    transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
    position: relative;
    overflow: hidden;
}

.language-card::before {
    content: '';
    position: absolute;
    inset: 0;
    background: var(--avatar-bg);
    opacity: 0;
    transition: opacity 0.3s;
}

.language-card:hover {
    transform: translateY(-4px);
    border-color: var(--talk-primary);
    box-shadow: 0 8px 30px var(--glow-primary);
}

.language-card:hover::before {
    opacity: 0.05;
}

.language-card:active {
    transform: translateY(-2px);
}

.lang-flag {
    font-size: 2.5rem;
    position: relative;
    z-index: 1;
}

.lang-name {
    font-weight: 700;
    font-size: 1.1rem;
    color: var(--text-primary);
    position: relative;
    z-index: 1;
}

.lang-native {
    font-size: 0.8rem;
    color: var(--text-secondary);
    position: relative;
    z-index: 1;
}

.game-screen {
    display: flex;
    flex-direction: column;
    gap: 1.5rem;
    animation: fadeInUp 0.4s ease;
}

.game-header {
    display: flex;
    align-items: center;
    gap: 1rem;
    flex-wrap: wrap;
}

.btn-back-lang {
    width: 40px;
    height: 40px;
    border-radius: 50%;
    border: 2px solid var(--border-subtle);
    background: var(--bg-card);
    cursor: pointer;
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--text-secondary);
    transition: all 0.3s;
}

.btn-back-lang:hover {
    border-color: var(--talk-primary);
    color: var(--talk-primary);
    transform: scale(1.05);
}

.current-lang {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    padding: 0.5rem 1rem;
    background: var(--bg-card);
    border-radius: 2rem;
    box-shadow: var(--shadow-sm);
}

.current-flag {
    font-size: 1.25rem;
}

.current-name {
    font-weight: 700;
    font-size: 0.9rem;
    color: var(--text-primary);
}

.progress-container {
    flex: 1;
    height: 12px;
    background: var(--glass-border);
    border-radius: 6px;
    overflow: hidden;
    position: relative;
    min-width: 100px;
}

.progress-bar {
    height: 100%;
    background: var(--avatar-bg);
    border-radius: 6px;
    transition: width 0.5s cubic-bezier(0.4, 0, 0.2, 1);
    width: 0%;
    position: relative;
}

.progress-bar::after {
    content: '';
    position: absolute;
    inset: 0;
    background: linear-gradient(90deg, transparent, rgba(255,255,255,0.3), transparent);
    animation: shimmer 2s infinite;
}

@keyframes shimmer {
    0% { transform: translateX(-100%); }
    100% { transform: translateX(100%); }
}

.progress-text {
    position: absolute;
    right: 8px;
    top: 50%;
    transform: translateY(-50%);
    font-size: 0.7rem;
    font-weight: 700;
    color: var(--text-secondary);
}

.stats {
    display: flex;
    gap: 0.5rem;
}

.stat {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 0.15rem;
    padding: 0.5rem 0.75rem;
    background: var(--bg-card);
    border-radius: 0.75rem;
    box-shadow: var(--shadow-sm);
    min-width: 60px;
}

.stat svg {
    flex-shrink: 0;
}

.stat-value {
    font-weight: 800;
    font-size: 1.1rem;
    line-height: 1;
}

.stat-label {
    font-size: 0.65rem;
    text-transform: uppercase;
    letter-spacing: 0.05em;
    color: var(--text-tertiary);
    font-weight: 600;
}

.stat.streak {
    color: var(--talk-streak);
}

.stat.hearts {
    color: var(--talk-danger);
}

.stat.xp {
    color: var(--talk-xp);
}

.game-area {
    flex: 1;
    display: flex;
    flex-direction: column;
    gap: 2rem;
}

.question-container {
    display: flex;
    align-items: flex-start;
    gap: 1rem;
}

.question-avatar {
    flex-shrink: 0;
}

.mini-avatar {
    width: 50px;
    height: 50px;
    background: var(--avatar-bg);
    border-radius: 50%;
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    gap: 4px;
    box-shadow: var(--shadow-md);
    animation: mini-bounce 3s infinite ease-in-out;
}

@keyframes mini-bounce {
    0%, 100% { transform: translateY(0); }
    50% { transform: translateY(-4px); }
}

.mini-eyes {
    display: flex;
    gap: 8px;
}

.mini-eye {
    width: 8px;
    height: 8px;
    background: white;
    border-radius: 50%;
}

.mini-mouth {
    width: 12px;
    height: 6px;
    border-bottom: 2px solid white;
    border-radius: 0 0 12px 12px;
}

.question-bubble {
    flex: 1;
    background: var(--bg-card);
    padding: 1.25rem 1.5rem;
    border-radius: 1.25rem;
    border-top-left-radius: 0.25rem;
    box-shadow: var(--shadow-md);
    position: relative;
}

.question-type {
    font-size: 0.75rem;
    text-transform: uppercase;
    letter-spacing: 0.1em;
    color: var(--talk-primary);
    font-weight: 700;
    margin-bottom: 0.5rem;
}

.question-text {
    font-size: 1.2rem;
    font-weight: 600;
    color: var(--text-primary);
    line-height: 1.5;
    padding-right: 3rem;
}

.btn-speak {
    position: absolute;
    right: 1rem;
    top: 50%;
    transform: translateY(-50%);
    width: 44px;
    height: 44px;
    border-radius: 50%;
    border: none;
    background: var(--avatar-bg);
    color: white;
    cursor: pointer;
    display: flex;
    align-items: center;
    justify-content: center;
    transition: all 0.3s;
    box-shadow: 0 4px 15px var(--glow-primary);
}

.btn-speak:hover {
    transform: translateY(-50%) scale(1.1);
}

.btn-speak:active {
    transform: translateY(-50%) scale(0.95);
}

.btn-speak.speaking {
    animation: pulse-speak 0.8s infinite;
}

@keyframes pulse-speak {
    0%, 100% { box-shadow: 0 4px 15px var(--glow-primary); }
    50% { box-shadow: 0 4px 30px var(--glow-primary); }
}

.options-grid {
    display: grid;
    grid-template-columns: 1fr;
    gap: 0.75rem;
}

.option-card {
    background: var(--bg-card);
    border: 2px solid var(--border-subtle);
    border-radius: 1rem;
    padding: 1rem 1.25rem;
    cursor: pointer;
    font-size: 1.1rem;
    font-weight: 600;
    transition: all 0.2s cubic-bezier(0.4, 0, 0.2, 1);
    display: flex;
    align-items: center;
    gap: 1rem;
    color: var(--text-primary);
    position: relative;
    overflow: hidden;
}

.option-card::before {
    content: '';
    position: absolute;
    inset: 0;
    opacity: 0;
    transition: opacity 0.2s;
}

.option-card:hover:not(:disabled) {
    border-color: var(--talk-primary);
    transform: translateX(4px);
    box-shadow: var(--shadow-md);
}

.option-card:active:not(:disabled) {
    transform: translateX(2px);
}

.option-card.correct {
    border-color: var(--talk-success);
    background: rgba(72, 187, 120, 0.1);
    color: var(--talk-success-dark);
}

.option-card.correct::before {
    background: var(--talk-success);
    opacity: 0.1;
}

.option-card.wrong {
    border-color: var(--talk-danger);
    background: rgba(252, 129, 129, 0.1);
    color: var(--talk-danger-dark);
    animation: shake 0.5s ease;
}

@keyframes shake {
    0%, 100% { transform: translateX(0); }
    20% { transform: translateX(-8px); }
    40% { transform: translateX(8px); }
    60% { transform: translateX(-4px); }
    80% { transform: translateX(4px); }
}

.option-card:disabled {
    cursor: not-allowed;
    opacity: 0.7;
}

.key-hint {
    width: 28px;
    height: 28px;
    border: 2px solid var(--border-subtle);
    border-radius: 8px;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 0.8rem;
    font-weight: 700;
    color: var(--text-tertiary);
    flex-shrink: 0;
}

.option-text {
    flex: 1;
}

.feedback-area {
    position: fixed;
    bottom: 0;
    left: 0;
    right: 0;
    padding: 1.5rem;
    z-index: 100;
    transform: translateY(100%);
    transition: transform 0.4s cubic-bezier(0.4, 0, 0.2, 1);
}

.feedback-area:not(.hidden) {
    transform: translateY(0);
}

.feedback-area.hidden {
    pointer-events: none;
}

.feedback-content {
    max-width: 600px;
    margin: 0 auto;
    padding: 1.25rem 1.5rem;
    border-radius: 1.25rem;
    display: flex;
    align-items: center;
    gap: 1rem;
    box-shadow: var(--shadow-xl);
}

.feedback-area.correct .feedback-content {
    background: linear-gradient(135deg, #c6f6d5, #9ae6b4);
    color: #22543d;
}

[data-theme="dark"] .feedback-area.correct .feedback-content {
    background: linear-gradient(135deg, #1a4731, #234e3a);
    color: #9ae6b4;
}

.feedback-area.wrong .feedback-content {
    background: linear-gradient(135deg, #fed7d7, #feb2b2);
    color: #742a2a;
}

[data-theme="dark"] .feedback-area.wrong .feedback-content {
    background: linear-gradient(135deg, #472727, #5a2b2b);
    color: #feb2b2;
}

.feedback-icon-wrapper {
    flex-shrink: 0;
}

.feedback-icon {
    width: 48px;
    height: 48px;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
}

.feedback-area.correct .feedback-icon {
    background: var(--talk-success);
    color: white;
}

.feedback-area.wrong .feedback-icon {
    background: var(--talk-danger);
    color: white;
}

.icon-correct, .icon-wrong {
    display: none;
}

.feedback-area.correct .icon-correct {
    display: block;
}

.feedback-area.wrong .icon-wrong {
    display: block;
}

.feedback-text {
    flex: 1;
}

.feedback-text h3 {
    font-size: 1.25rem;
    font-weight: 800;
    margin-bottom: 0.25rem;
}

.feedback-text p {
    font-size: 0.9rem;
    opacity: 0.9;
}

.btn-next {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    padding: 0.75rem 1.5rem;
    border: none;
    border-radius: 2rem;
    font-weight: 700;
    font-size: 1rem;
    cursor: pointer;
    transition: all 0.2s;
    white-space: nowrap;
}

.feedback-area.correct .btn-next {
    background: var(--talk-success);
    color: white;
}

.feedback-area.wrong .btn-next {
    background: var(--talk-danger);
    color: white;
}

.btn-next:hover {
    transform: scale(1.05);
}

.game-over, .level-complete {
    position: fixed;
    inset: 0;
    background: rgba(0,0,0,0.7);
    backdrop-filter: blur(8px);
    display: flex;
    align-items: center;
    justify-content: center;
    z-index: 200;
    padding: 2rem;
    animation: fadeIn 0.3s ease;
}

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

.game-over-content, .level-complete-content {
    background: var(--bg-card);
    padding: 2.5rem;
    border-radius: 2rem;
    text-align: center;
    max-width: 400px;
    width: 100%;
    box-shadow: var(--shadow-xl);
    animation: slideUp 0.4s ease;
}

@keyframes slideUp {
    from {
        opacity: 0;
        transform: translateY(30px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

.game-over-avatar, .level-avatar {
    margin-bottom: 1.5rem;
    display: flex;
    justify-content: center;
}

.game-over h2, .level-complete h2 {
    font-size: 1.75rem;
    font-weight: 800;
    color: var(--text-primary);
    margin-bottom: 0.5rem;
}

.game-over p, .level-complete p {
    color: var(--text-secondary);
    margin-bottom: 1.5rem;
}

.final-stats {
    display: flex;
    justify-content: center;
    gap: 2rem;
    margin-bottom: 2rem;
}

.final-stat {
    display: flex;
    flex-direction: column;
    align-items: center;
}

.final-stat-value {
    font-size: 2rem;
    font-weight: 800;
    color: var(--talk-primary);
}

.final-stat-label {
    font-size: 0.85rem;
    color: var(--text-secondary);
}

.btn-restart, .btn-continue {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 0.5rem;
    padding: 1rem 2rem;
    border: none;
    border-radius: 2rem;
    font-weight: 700;
    font-size: 1rem;
    cursor: pointer;
    transition: all 0.3s;
}

.btn-restart {
    background: var(--talk-primary);
    color: white;
}

.btn-continue {
    background: var(--avatar-bg);
    color: white;
}

.btn-restart:hover, .btn-continue:hover {
    transform: scale(1.05);
    box-shadow: 0 8px 30px var(--glow-primary);
}

.rewards {
    display: flex;
    justify-content: center;
    margin-bottom: 2rem;
}

.reward {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    padding: 0.75rem 1.5rem;
    background: linear-gradient(135deg, #fef3c7, #fde68a);
    border-radius: 2rem;
    color: #92400e;
    font-weight: 700;
}

[data-theme="dark"] .reward {
    background: linear-gradient(135deg, #78350f, #92400e);
    color: #fde68a;
}

.reward svg {
    color: #f59e0b;
}

.confetti-container {
    position: absolute;
    inset: 0;
    pointer-events: none;
    overflow: hidden;
}

.confetti {
    position: absolute;
    width: 10px;
    height: 10px;
    animation: confetti-fall 3s ease-out forwards;
}

@keyframes confetti-fall {
    0% {
        transform: translateY(-100%) rotate(0deg);
        opacity: 1;
    }
    100% {
        transform: translateY(500px) rotate(720deg);
        opacity: 0;
    }
}

.blank-space {
    display: inline-block;
    min-width: 80px;
    border-bottom: 3px solid var(--talk-primary);
    margin: 0 4px;
    color: var(--talk-primary);
    font-weight: 700;
}

.write-exercise {
    display: flex;
    flex-direction: column;
    gap: 1rem;
    width: 100%;
}

.input-wrapper {
    display: flex;
    gap: 0.75rem;
    width: 100%;
}

.write-input {
    flex: 1;
    padding: 1rem 1.25rem;
    font-size: 1.1rem;
    font-weight: 600;
    border: 2px solid var(--border-subtle);
    border-radius: 1rem;
    background: var(--bg-card);
    color: var(--text-primary);
    outline: none;
    transition: all 0.2s;
    font-family: inherit;
}

.write-input:focus {
    border-color: var(--talk-primary);
    box-shadow: 0 0 0 4px var(--glow-primary);
}

.write-input.correct {
    border-color: var(--talk-success);
    background: rgba(72, 187, 120, 0.1);
}

.write-input.wrong {
    border-color: var(--talk-danger);
    background: rgba(252, 129, 129, 0.1);
}

.btn-submit {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    padding: 1rem 1.5rem;
    background: var(--avatar-bg);
    color: white;
    border: none;
    border-radius: 1rem;
    font-size: 1rem;
    font-weight: 700;
    cursor: pointer;
    transition: all 0.2s;
    white-space: nowrap;
}

.btn-submit:hover {
    transform: scale(1.02);
    box-shadow: 0 4px 20px var(--glow-primary);
}

.btn-listen-large {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 0.75rem;
    width: 100%;
    padding: 1.25rem;
    background: var(--bg-card);
    border: 2px solid var(--talk-primary);
    border-radius: 1rem;
    color: var(--talk-primary);
    font-size: 1rem;
    font-weight: 700;
    cursor: pointer;
    transition: all 0.2s;
}

.btn-listen-large:hover {
    background: rgba(102, 126, 234, 0.1);
    transform: scale(1.02);
}

.btn-listen-large svg {
    flex-shrink: 0;
}

.order-exercise {
    display: flex;
    flex-direction: column;
    gap: 1.5rem;
    width: 100%;
}

.selected-words {
    min-height: 60px;
    padding: 1rem;
    background: var(--bg-card);
    border: 2px dashed var(--border-subtle);
    border-radius: 1rem;
    display: flex;
    flex-wrap: wrap;
    gap: 0.5rem;
    align-items: center;
    transition: all 0.3s;
}

.selected-words:empty::before {
    content: 'Toque nas palavras para formar a frase...';
    color: var(--text-tertiary);
    font-style: italic;
}

.selected-words.correct {
    border-color: var(--talk-success);
    border-style: solid;
    background: rgba(72, 187, 120, 0.1);
}

.selected-words.wrong {
    border-color: var(--talk-danger);
    border-style: solid;
    background: rgba(252, 129, 129, 0.1);
}

.word-bank {
    display: flex;
    flex-wrap: wrap;
    gap: 0.5rem;
    justify-content: center;
}

.word-chip {
    padding: 0.75rem 1.25rem;
    background: var(--bg-card);
    border: 2px solid var(--border-subtle);
    border-radius: 2rem;
    font-size: 1rem;
    font-weight: 600;
    color: var(--text-primary);
    cursor: pointer;
    transition: all 0.2s;
}

.word-chip:hover {
    border-color: var(--talk-primary);
    transform: translateY(-2px);
}

.word-chip.selected {
    background: var(--talk-primary);
    border-color: var(--talk-primary);
    color: white;
}

.match-exercise {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 1rem;
    width: 100%;
}

.match-column {
    display: flex;
    flex-direction: column;
    gap: 0.75rem;
}

.match-card {
    padding: 1rem 1.25rem;
    background: var(--bg-card);
    border: 2px solid var(--border-subtle);
    border-radius: 1rem;
    font-size: 1rem;
    font-weight: 600;
    color: var(--text-primary);
    cursor: pointer;
    transition: all 0.2s;
    text-align: center;
}

.match-card:hover:not(.matched) {
    border-color: var(--talk-primary);
    transform: scale(1.02);
}

.match-card.selected {
    border-color: var(--talk-primary);
    background: rgba(102, 126, 234, 0.1);
    box-shadow: 0 0 0 3px var(--glow-primary);
}

.match-card.matched {
    opacity: 0.6;
    cursor: default;
}

.match-card.matched.correct {
    border-color: var(--talk-success);
    background: rgba(72, 187, 120, 0.15);
}

.match-card.wrong {
    border-color: var(--talk-danger);
    background: rgba(252, 129, 129, 0.15);
    animation: shake 0.4s ease;
}

@keyframes celebrate {
    0%, 100% { transform: scale(1) rotate(0); }
    25% { transform: scale(1.1) rotate(-5deg); }
    75% { transform: scale(1.1) rotate(5deg); }
}

.hidden {
    display: none !important;
}

@media (min-width: 500px) {
    .options-grid {
        grid-template-columns: 1fr 1fr;
    }
    
    .language-grid {
        grid-template-columns: repeat(4, 1fr);
        max-width: 600px;
    }
    
    .language-card {
        padding: 1rem 0.75rem;
    }
}

@media (max-width: 768px) {
    .header-buttons {
        grid-column: 1;
        grid-row: 1;
        justify-self: end;
    }
}

@media (max-width: 500px) {
    .game-header {
        flex-wrap: wrap;
    }
    
    .progress-container {
        order: 10;
        flex-basis: 100%;
        margin-top: 0.5rem;
    }
    
    .stats {
        margin-left: auto;
    }
    
    .question-text {
        font-size: 1rem;
    }
    
    .feedback-content {
        flex-wrap: wrap;
        text-align: center;
        justify-content: center;
    }
    
    .btn-next {
        width: 100%;
        justify-content: center;
        margin-top: 0.5rem;
    }
}