/* ========== ДОПОЛНИТЕЛЬНЫЕ АНИМАЦИИ ========== */

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

@keyframes slideOut {
    from {
        transform: translateX(0);
        opacity: 1;
    }
    to {
        transform: translateX(-30px);
        opacity: 0;
    }
}

@keyframes fadeIn {
    from {
        opacity: 0;
        transform: scale(0.95);
    }
    to {
        opacity: 1;
        transform: scale(1);
    }
}

@keyframes bounceIn {
    0% {
        transform: scale(0.3);
        opacity: 0;
    }
    50% {
        transform: scale(1.05);
    }
    70% {
        transform: scale(0.9);
    }
    100% {
        transform: scale(1);
        opacity: 1;
    }
}

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

@keyframes shake {
    0%, 100% {
        transform: translateX(0);
    }
    25% {
        transform: translateX(-10px);
    }
    75% {
        transform: translateX(10px);
    }
}

@keyframes float {
    0%, 100% {
        transform: translateY(0);
    }
    50% {
        transform: translateY(-10px);
    }
}

@keyframes spin {
    from {
        transform: rotate(0deg);
    }
    to {
        transform: rotate(360deg);
    }
}

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

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

@keyframes correctPop {
    0% { transform: scale(1); }
    50% { transform: scale(1.1); }
    100% { transform: scale(1); }
}

/* Классы для анимаций */
.animate-slide-in {
    animation: slideIn 0.3s ease;
}

.animate-slide-out {
    animation: slideOut 0.3s ease;
}

.animate-fade-in {
    animation: fadeIn 0.3s ease;
}

.animate-bounce-in {
    animation: bounceIn 0.5s ease;
}

.animate-pulse {
    animation: pulse 1s ease-in-out infinite;
}

.animate-shake {
    animation: shake 0.5s ease;
}

.animate-float {
    animation: float 2s ease-in-out infinite;
}

.animate-spin {
    animation: spin 1s linear infinite;
}

.animate-slide-up {
    animation: slideUp 0.5s ease;
}

.option-btn.correct {
    animation: correctPop 0.3s ease;
}

/* Прогресс-бар */
.progress-bar {
    width: 100%;
    height: 8px;
    background: #e0d6c8;
    border-radius: 10px;
    overflow: hidden;
    margin-top: 5px;
}

.progress-bar .progress-fill {
    height: 100%;
    background: linear-gradient(90deg, #f57c00, #ffb300);
    border-radius: 10px;
    transition: width 0.8s ease;
}

/* Уровни с цветами */
.level-badge {
    display: inline-block;
    padding: 2px 12px;
    border-radius: 12px;
    font-size: 12px;
    font-weight: bold;
}

.level-badge.beginner {
    background: #c8e6c9;
    color: #2e7d32;
}

.level-badge.intermediate {
    background: #fff3e0;
    color: #e65100;
}

.level-badge.advanced {
    background: #ffcdd2;
    color: #c62828;
}