/* ==========================================================================
   Finance Tutorial Styles - Premium Design System
   ========================================================================== */

.tutorial-container {
    max-width: 1200px;
    margin: 0 auto;
    padding: var(--spacing-xl);
}

.tutorial-header {
    text-align: center;
    margin-bottom: var(--spacing-2xl);
    padding: var(--spacing-2xl) 0;
    background: transparent;
    border: 2px solid rgba(255, 255, 255, 0.2);
    border-radius: var(--radius-lg);
    color: var(--text-primary);
    box-shadow: var(--shadow-light);
    position: relative;
    overflow: hidden;
}

.tutorial-header::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: linear-gradient(135deg, rgba(255, 255, 255, 0.1) 0%, rgba(255, 255, 255, 0.05) 100%);
    pointer-events: none;
}

.tutorial-header h1 {
    font-family: var(--font-headings);
    font-size: 2.5rem;
    font-weight: var(--fw-bold);
    margin-bottom: var(--spacing-sm);
    letter-spacing: var(--ls-tight);
    position: relative;
    z-index: 1;
    color: var(--text-primary);
}

.tutorial-subtitle {
    font-family: var(--font-primary);
    font-size: 1.2rem;
    font-weight: var(--fw-medium);
    opacity: 0.9;
    margin: 0;
    position: relative;
    z-index: 1;
    color: var(--text-secondary);
}

.tutorial-content {
    display: flex;
    flex-direction: column;
    gap: var(--spacing-xl);
}

.tutorial-section {
    background: var(--card-bg);
    border-radius: var(--radius-lg);
    padding: var(--spacing-xl);
    box-shadow: var(--shadow-medium);
    border: 1px solid var(--border-color);
    backdrop-filter: blur(10px);
    transition: var(--transition-normal);
}

.tutorial-section:hover {
    box-shadow: var(--shadow-hover);
    transform: translateY(-2px);
}

.tutorial-section h2 {
    color: var(--primary-color);
    font-family: var(--font-headings);
    font-size: 1.8rem;
    font-weight: var(--fw-semibold);
    margin-bottom: var(--spacing-lg);
    display: flex;
    align-items: center;
    gap: var(--spacing-sm);
    letter-spacing: var(--ls-tight);
}

.tutorial-card {
    background: var(--bg-color);
    border-radius: var(--radius-md);
    padding: var(--spacing-xl);
    border: 1px solid var(--border-light);
    box-shadow: var(--shadow-light);
}

.tutorial-card h3 {
    color: var(--text-primary);
    font-family: var(--font-headings);
    font-size: 1.3rem;
    font-weight: var(--fw-semibold);
    margin-bottom: var(--spacing-md);
    letter-spacing: var(--ls-tight);
}

.tutorial-card p {
    color: var(--text-secondary);
    font-family: var(--font-primary);
    line-height: 1.6;
    margin-bottom: var(--spacing-md);
    font-weight: var(--fw-normal);
}

.tutorial-card ul,
.tutorial-card ol {
    color: var(--text-secondary);
    line-height: 1.8;
    margin-bottom: var(--spacing-lg);
    padding-left: var(--spacing-lg);
    font-family: var(--font-primary);
}

.tutorial-card li {
    margin-bottom: var(--spacing-sm);
    font-weight: var(--fw-normal);
}

/* Навигационное объяснение */
.nav-explanation {
    display: flex;
    flex-direction: column;
    gap: var(--spacing-md);
}

.nav-item {
    display: flex;
    align-items: flex-start;
    gap: var(--spacing-md);
    padding: var(--spacing-md);
    background: var(--card-bg);
    border-radius: var(--radius-md);
    border: 1px solid var(--border-light);
    transition: var(--transition-normal);
    box-shadow: var(--shadow-light);
}

.nav-item:hover {
    transform: translateY(-2px);
    box-shadow: var(--shadow-hover);
    border-color: var(--border-strong);
}

.nav-emoji {
    font-size: 2rem;
    min-width: 40px;
    text-align: center;
    filter: drop-shadow(0 2px 4px rgba(0, 0, 0, 0.1));
}

.nav-text {
    flex: 1;
    color: var(--text-secondary);
    line-height: 1.5;
    font-family: var(--font-primary);
    font-weight: var(--fw-normal);
}

.nav-text strong {
    color: var(--primary-color);
    font-weight: var(--fw-semibold);
}

/* Советы */
.tutorial-tip {
    background: var(--gradient-primary-transparent);
    border-left: 4px solid var(--primary-color);
    padding: var(--spacing-md);
    border-radius: var(--radius-sm);
    margin-top: var(--spacing-lg);
    position: relative;
    overflow: hidden;
}

.tutorial-tip::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: linear-gradient(135deg, rgba(0, 127, 129, 0.05) 0%, rgba(77, 182, 172, 0.03) 100%);
    pointer-events: none;
}

.tutorial-tip strong {
    color: var(--primary-color);
    font-weight: var(--fw-semibold);
    position: relative;
    z-index: 1;
}

/* Сетка советов */
.tips-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    gap: var(--spacing-lg);
    margin-top: var(--spacing-lg);
}

.tip-item {
    background: var(--card-bg);
    padding: var(--spacing-lg);
    border-radius: var(--radius-md);
    border: 1px solid var(--border-light);
    text-align: center;
    transition: var(--transition-normal);
    box-shadow: var(--shadow-light);
    position: relative;
    overflow: hidden;
}

.tip-item::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 3px;
    background: var(--gradient-primary);
}

.tip-item:hover {
    transform: translateY(-3px);
    box-shadow: var(--shadow-hover);
    border-color: var(--border-strong);
}

.tip-item h4 {
    color: var(--primary-color);
    font-family: var(--font-headings);
    font-size: 1.2rem;
    font-weight: var(--fw-semibold);
    margin-bottom: var(--spacing-sm);
    letter-spacing: var(--ls-tight);
}

.tip-item p {
    color: var(--text-secondary);
    line-height: 1.5;
    margin: 0;
    font-family: var(--font-primary);
    font-weight: var(--fw-normal);
}

/* Темная тема */
[data-theme="dark"] .tutorial-header {
    background: transparent;
    border: 2px solid rgba(77, 182, 172, 0.3);
    color: var(--text-primary);
}

[data-theme="dark"] .tutorial-header::before {
    background: linear-gradient(135deg, rgba(77, 182, 172, 0.05) 0%, rgba(38, 166, 154, 0.03) 100%);
}

[data-theme="dark"] .tutorial-tip {
    background: linear-gradient(135deg, rgba(77, 182, 172, 0.1) 0%, rgba(38, 166, 154, 0.08) 100%);
    border-left-color: var(--accent-color);
}

[data-theme="dark"] .tutorial-tip::before {
    background: linear-gradient(135deg, rgba(77, 182, 172, 0.05) 0%, rgba(38, 166, 154, 0.03) 100%);
}

[data-theme="dark"] .tutorial-tip strong {
    color: var(--accent-color);
}

[data-theme="dark"] .tip-item::before {
    background: var(--gradient-primary);
}

/* Адаптивность */
@media (max-width: 1024px) {
    .tutorial-container {
        padding: var(--spacing-lg);
    }
    
    .tips-grid {
        grid-template-columns: repeat(2, 1fr);
    }
}

@media (max-width: 768px) {
    .tutorial-container {
        padding: var(--spacing-md);
    }
    
    .tutorial-header h1 {
        font-size: 2rem;
    }
    
    .tutorial-subtitle {
        font-size: 1rem;
    }
    
    .tutorial-section {
        padding: var(--spacing-lg);
    }
    
    .tutorial-card {
        padding: var(--spacing-lg);
    }
    
    .tutorial-section h2 {
        font-size: 1.5rem;
    }
    
    .tutorial-card h3 {
        font-size: 1.1rem;
    }
    
    .nav-item {
        flex-direction: column;
        text-align: center;
        gap: var(--spacing-sm);
    }
    
    .nav-emoji {
        font-size: 1.5rem;
    }
    
    .tips-grid {
        grid-template-columns: 1fr;
    }
}

@media (max-width: 480px) {
    .tutorial-header h1 {
        font-size: 1.8rem;
    }
    
    .tutorial-subtitle {
        font-size: 0.9rem;
    }
    
    .tutorial-section h2 {
        font-size: 1.4rem;
    }
    
    .tutorial-card h3 {
        font-size: 1rem;
    }
    
    .tutorial-container {
        padding: var(--spacing-sm);
    }
    
    .tutorial-section {
        padding: var(--spacing-md);
    }
    
    .tutorial-card {
        padding: var(--spacing-md);
    }
}

/* Анимации */
.tutorial-section {
    animation: fadeInUp 0.6s cubic-bezier(0.4, 0, 0.2, 1);
}

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

/* Задержка анимации для каждой секции */
.tutorial-section:nth-child(1) { animation-delay: 0.1s; }
.tutorial-section:nth-child(2) { animation-delay: 0.2s; }
.tutorial-section:nth-child(3) { animation-delay: 0.3s; }
.tutorial-section:nth-child(4) { animation-delay: 0.4s; }
.tutorial-section:nth-child(5) { animation-delay: 0.5s; }
.tutorial-section:nth-child(6) { animation-delay: 0.6s; }
.tutorial-section:nth-child(7) { animation-delay: 0.7s; }
.tutorial-section:nth-child(8) { animation-delay: 0.8s; }
.tutorial-section:nth-child(9) { animation-delay: 0.9s; }
.tutorial-section:nth-child(10) { animation-delay: 1.0s; }

/* Дополнительные эффекты для Premium дизайна */
.tutorial-header::after {
    content: '';
    position: absolute;
    bottom: 0;
    left: 0;
    right: 0;
    height: 1px;
    background: linear-gradient(90deg, transparent 0%, rgba(255, 255, 255, 0.3) 50%, transparent 100%);
}

.tip-item::after {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: linear-gradient(135deg, rgba(255, 255, 255, 0.05) 0%, transparent 100%);
    pointer-events: none;
    border-radius: var(--radius-md);
}

/* Улучшенные hover эффекты */
.nav-item:hover .nav-emoji {
    transform: scale(1.1);
    transition: var(--transition-fast);
}

.tip-item:hover h4 {
    color: var(--accent-color);
    transition: var(--transition-fast);
}