/* Bitcoin Wallet Index Styles - Light Theme */

/* CSS Variables for consistent theming */
:root {
    --primary-color: #f79009;    /* Bitcoin оранжевый */
    --light-bg: #ffffff;         /* Белый фон */
    --secondary-bg: #f8fafc;     /* Светло-серый фон */
    --text-primary: #1c2025;     /* Темный текст */
    --text-secondary: #64748b;   /* Серый текст */
    --accent-color: #ff6b35;     /* Акцентный цвет */
    --border-color: #e4e7ec;     /* Границы */
    --shadow-color: rgba(16, 24, 40, 0.1);
    --success-color: #10b981;
    --warning-color: #f59e0b;
    --error-color: #ef4444;
}

/* Hero Section */
.wallet-hero {
    background: linear-gradient(135deg, var(--light-bg) 0%, var(--secondary-bg) 100%);
    padding: 80px 0;
    position: relative;
    overflow: hidden;
}

.wallet-hero::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: url('data:image/svg+xml,<svg xmlns="http://www.w3.org/2000/svg" viewBox="0 0 100 100"><defs><pattern id="grid" width="10" height="10" patternUnits="userSpaceOnUse"><path d="M 10 0 L 0 0 0 10" fill="none" stroke="%23f79009" stroke-width="0.5" opacity="0.1"/></pattern></defs><rect width="100" height="100" fill="url(%23grid)"/></svg>');
    opacity: 0.3;
}

.hero-content {
    position: relative;
    z-index: 2;
    text-align: center;
    max-width: 800px;
    margin: 0 auto;
}

.hero-content h1 {
    font-size: 3.5rem;
    font-weight: 700;
    color: var(--text-primary);
    margin-bottom: 1rem;
    background: linear-gradient(135deg, var(--primary-color) 0%, var(--accent-color) 100%);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.hero-subtitle {
    font-size: 1.25rem;
    color: var(--text-secondary);
    margin-bottom: 2rem;
    line-height: 1.6;
}

.hero-stats {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(150px, 1fr));
    gap: 2rem;
    margin-bottom: 3rem;
}

.hero-stat {
    text-align: center;
    padding: 1.5rem;
    background: var(--light-bg);
    border-radius: 12px;
    border: 1px solid var(--border-color);
    box-shadow: 0 1px 3px var(--shadow-color);
    transition: all 0.3s ease;
}

.hero-stat:hover {
    transform: translateY(-5px);
    border-color: var(--primary-color);
    box-shadow: 0 10px 30px rgba(247, 144, 9, 0.15);
}

.stat-value {
    display: block;
    font-size: 2rem;
    font-weight: 700;
    color: var(--primary-color);
    margin-bottom: 0.5rem;
}

.stat-label {
    font-size: 0.9rem;
    color: var(--text-secondary);
    text-transform: uppercase;
    letter-spacing: 0.5px;
}

.hero-actions {
    display: flex;
    gap: 1rem;
    justify-content: center;
    flex-wrap: wrap;
}

.btn-primary, .btn-secondary {
    padding: 12px 24px;
    border-radius: 8px;
    font-weight: 600;
    text-decoration: none;
    transition: all 0.3s ease;
    border: none;
    cursor: pointer;
    font-size: 1rem;
}

.btn-primary {
    background: linear-gradient(135deg, var(--primary-color) 0%, var(--accent-color) 100%);
    color: #ffffff;
}

.btn-primary:hover {
    transform: translateY(-2px);
    box-shadow: 0 8px 25px rgba(247, 144, 9, 0.3);
}

.btn-secondary {
    background: transparent;
    color: var(--primary-color);
    border: 2px solid var(--primary-color);
}

.btn-secondary:hover {
    background: var(--primary-color);
    color: #ffffff;
}

/* Wallet Categories */
.wallet-categories {
    padding: 80px 0;
    background: var(--light-bg);
}

.section-title {
    font-size: 2.5rem;
    font-weight: 700;
    color: var(--text-primary);
    text-align: center;
    margin-bottom: 1rem;
}

.section-subtitle {
    font-size: 1.1rem;
    color: var(--text-secondary);
    text-align: center;
    margin-bottom: 3rem;
    max-width: 600px;
    margin-left: auto;
    margin-right: auto;
}

.categories-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 2rem;
}

.category-card {
    background: var(--light-bg);
    border-radius: 16px;
    padding: 2rem;
    border: 1px solid var(--border-color);
    box-shadow: 0 1px 3px var(--shadow-color);
    transition: all 0.3s ease;
    cursor: pointer;
}

.category-card:hover {
    transform: translateY(-5px);
    border-color: var(--primary-color);
    box-shadow: 0 15px 40px rgba(247, 144, 9, 0.15);
}

.category-header {
    display: flex;
    align-items: center;
    margin-bottom: 1rem;
}

.category-icon {
    font-size: 2rem;
    margin-right: 1rem;
}

.category-header h3 {
    font-size: 1.5rem;
    font-weight: 600;
    color: var(--text-primary);
    margin: 0;
    flex: 1;
}

.category-count {
    background: var(--primary-color);
    color: #ffffff;
    padding: 4px 12px;
    border-radius: 20px;
    font-size: 0.8rem;
    font-weight: 600;
}

.category-content p {
    color: var(--text-secondary);
    margin-bottom: 1rem;
    line-height: 1.6;
}

.category-features {
    display: flex;
    gap: 0.5rem;
    margin-bottom: 1rem;
    flex-wrap: wrap;
}

.feature-tag {
    background: rgba(247, 144, 9, 0.1);
    color: var(--primary-color);
    padding: 4px 8px;
    border-radius: 6px;
    font-size: 0.8rem;
    font-weight: 500;
}

.security-level {
    display: flex;
    align-items: center;
    gap: 1rem;
}

.security-label {
    color: var(--text-secondary);
    font-size: 0.9rem;
}

.security-bar {
    flex: 1;
    height: 8px;
    background: #e2e8f0;
    border-radius: 4px;
    overflow: hidden;
}

.security-fill {
    height: 100%;
    background: linear-gradient(90deg, var(--primary-color) 0%, var(--accent-color) 100%);
    border-radius: 4px;
    transition: width 0.3s ease;
}

.security-score {
    color: var(--primary-color);
    font-weight: 600;
    font-size: 0.9rem;
}

/* Wallet Recommendations */
.wallet-recommendations {
    padding: 80px 0;
    background: var(--secondary-bg);
}

.recommendation-engine {
    max-width: 800px;
    margin: 0 auto;
}

.question-card {
    background: var(--light-bg);
    border-radius: 16px;
    padding: 2rem;
    margin-bottom: 2rem;
    border: 1px solid var(--border-color);
    box-shadow: 0 1px 3px var(--shadow-color);
    display: none;
}

.question-card.active {
    display: block;
}

.question-card h3 {
    font-size: 1.5rem;
    color: var(--text-primary);
    margin-bottom: 1.5rem;
    text-align: center;
}

.options-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(150px, 1fr));
    gap: 1rem;
}

.option-btn {
    padding: 1rem;
    background: var(--light-bg);
    color: var(--text-secondary);
    border: 2px solid var(--border-color);
    border-radius: 8px;
    cursor: pointer;
    transition: all 0.3s ease;
    font-weight: 500;
}

.option-btn:hover {
    border-color: var(--primary-color);
    color: var(--primary-color);
}

.option-btn.selected {
    background: var(--primary-color);
    color: #ffffff;
    border-color: var(--primary-color);
}

.results-card {
    background: var(--light-bg);
    border-radius: 16px;
    padding: 2rem;
    border: 2px solid var(--primary-color);
    box-shadow: 0 4px 12px rgba(247, 144, 9, 0.15);
}

.results-card h3 {
    font-size: 1.5rem;
    color: var(--text-primary);
    margin-bottom: 1.5rem;
    text-align: center;
}

.recommended-wallets {
    display: grid;
    gap: 1rem;
}

.recommended-wallet-card {
    background: var(--secondary-bg);
    border-radius: 12px;
    padding: 1.5rem;
    border: 1px solid var(--border-color);
    box-shadow: 0 1px 3px var(--shadow-color);
}

.recommended-wallet-header {
    display: flex;
    align-items: center;
    margin-bottom: 1rem;
}

.recommended-rank {
    background: var(--primary-color);
    color: #ffffff;
    width: 30px;
    height: 30px;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-weight: 700;
    margin-right: 1rem;
    font-size: 0.9rem;
}

.recommended-wallet-header h4 {
    color: var(--text-primary);
    margin: 0;
    flex: 1;
}

.recommended-type {
    background: rgba(247, 144, 9, 0.1);
    color: var(--primary-color);
    padding: 4px 8px;
    border-radius: 6px;
    font-size: 0.8rem;
    font-weight: 500;
}

.recommended-description {
    color: var(--text-secondary);
    margin-bottom: 1rem;
    line-height: 1.6;
}

.recommended-features {
    display: flex;
    gap: 0.5rem;
    margin-bottom: 1rem;
    flex-wrap: wrap;
}

.recommended-scores {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 1rem;
    margin-bottom: 1rem;
}

.score-item {
    text-align: center;
}

.score-label {
    display: block;
    color: var(--text-secondary);
    font-size: 0.8rem;
    margin-bottom: 0.25rem;
}

.score-value {
    color: var(--primary-color);
    font-weight: 600;
    font-size: 0.9rem;
}

.recommended-price {
    color: var(--text-primary);
    font-weight: 600;
    margin-bottom: 1rem;
}

/* Top Wallets */
.top-wallets {
    padding: 80px 0;
    background: var(--light-bg);
}

.section-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 3rem;
    flex-wrap: wrap;
    gap: 1rem;
}

.filter-controls {
    display: flex;
    gap: 1rem;
}

.filter-select {
    padding: 8px 16px;
    background: var(--light-bg);
    color: var(--text-primary);
    border: 1px solid var(--border-color);
    border-radius: 8px;
    font-size: 0.9rem;
}

.filter-select:focus {
    outline: none;
    border-color: var(--primary-color);
}

.wallets-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(350px, 1fr));
    gap: 2rem;
}

.wallet-card {
    background: var(--light-bg);
    border-radius: 16px;
    padding: 2rem;
    border: 1px solid var(--border-color);
    box-shadow: 0 1px 3px var(--shadow-color);
    transition: all 0.3s ease;
}

.wallet-card:hover {
    transform: translateY(-5px);
    border-color: var(--primary-color);
    box-shadow: 0 15px 40px rgba(247, 144, 9, 0.15);
}

.wallet-header {
    display: flex;
    align-items: center;
    margin-bottom: 1rem;
}

.wallet-rank {
    background: var(--primary-color);
    color: #ffffff;
    width: 40px;
    height: 40px;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-weight: 700;
    margin-right: 1rem;
}

.wallet-name {
    font-size: 1.25rem;
    font-weight: 600;
    color: var(--text-primary);
}

.wallet-type {
    background: rgba(247, 144, 9, 0.1);
    color: var(--primary-color);
    padding: 4px 8px;
    border-radius: 6px;
    font-size: 0.8rem;
    font-weight: 500;
    margin-left: auto;
}

.wallet-description {
    color: var(--text-secondary);
    margin-bottom: 1rem;
    line-height: 1.6;
}

.wallet-features {
    display: flex;
    gap: 0.5rem;
    margin-bottom: 1rem;
    flex-wrap: wrap;
}

.wallet-security {
    display: flex;
    align-items: center;
    justify-content: space-between;
    margin-bottom: 1rem;
}

.security-score {
    font-size: 1.1rem;
    font-weight: 600;
    color: var(--primary-color);
}

.wallet-price {
    color: var(--text-secondary);
    font-size: 0.9rem;
}

.wallet-actions {
    display: flex;
    gap: 0.5rem;
    margin-top: 1rem;
}

.btn-small {
    padding: 6px 12px;
    font-size: 0.8rem;
    border-radius: 6px;
    text-decoration: none;
    transition: all 0.3s ease;
    border: none;
    cursor: pointer;
}

.btn-outline {
    background: transparent;
    color: var(--primary-color);
    border: 1px solid var(--primary-color);
}

.btn-outline:hover {
    background: var(--primary-color);
    color: #ffffff;
}

/* Wallet Comparison */
.wallet-comparison {
    padding: 80px 0;
    background: var(--secondary-bg);
}

.comparison-tool {
    max-width: 1200px;
    margin: 0 auto;
}

.comparison-selector {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
    gap: 1rem;
    margin-bottom: 3rem;
}

.selector-item label {
    display: block;
    color: var(--text-secondary);
    margin-bottom: 0.5rem;
    font-weight: 500;
}

.wallet-selector {
    width: 100%;
    padding: 12px;
    background: var(--light-bg);
    color: var(--text-primary);
    border: 1px solid var(--border-color);
    border-radius: 8px;
    font-size: 0.9rem;
}

.wallet-selector:focus {
    outline: none;
    border-color: var(--primary-color);
}

.comparison-table {
    background: var(--light-bg);
    border-radius: 16px;
    overflow: hidden;
    border: 1px solid var(--border-color);
    box-shadow: 0 1px 3px var(--shadow-color);
}

.comparison-header {
    background: var(--primary-color);
    color: #ffffff;
    padding: 1rem;
    font-weight: 600;
    display: grid;
    grid-template-columns: 1fr repeat(3, 1fr);
    gap: 1rem;
}

.comparison-row {
    display: grid;
    grid-template-columns: 1fr repeat(3, 1fr);
    gap: 1rem;
    padding: 1rem;
    border-bottom: 1px solid var(--border-color);
}

.comparison-row:last-child {
    border-bottom: none;
}

.comparison-label {
    color: var(--text-secondary);
    font-weight: 500;
}

.comparison-value {
    color: var(--text-primary);
    text-align: center;
}

.no-comparison {
    padding: 2rem;
    text-align: center;
    color: var(--text-secondary);
    font-style: italic;
}

/* Security Calculator */
.security-calculator {
    padding: 80px 0;
    background: var(--light-bg);
}

.calculator-tool {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 3rem;
    max-width: 1200px;
    margin: 0 auto;
}

.calculator-form {
    background: var(--secondary-bg);
    border-radius: 16px;
    padding: 2rem;
    border: 1px solid var(--border-color);
    box-shadow: 0 1px 3px var(--shadow-color);
}

.form-group {
    margin-bottom: 2rem;
}

.form-group label {
    display: block;
    color: var(--text-secondary);
    margin-bottom: 0.5rem;
    font-weight: 500;
}

.form-group select {
    width: 100%;
    padding: 12px;
    background: var(--light-bg);
    color: var(--text-primary);
    border: 1px solid var(--border-color);
    border-radius: 8px;
    font-size: 0.9rem;
}

.checkbox-group {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
    gap: 0.5rem;
}

.checkbox-group label {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    color: var(--text-secondary);
    cursor: pointer;
    padding: 8px;
    border-radius: 6px;
    transition: all 0.3s ease;
}

.checkbox-group label:hover {
    background: rgba(247, 144, 9, 0.1);
}

.checkbox-group input[type="checkbox"] {
    accent-color: var(--primary-color);
}

.calculator-results {
    background: var(--secondary-bg);
    border-radius: 16px;
    padding: 2rem;
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    border: 1px solid var(--border-color);
    box-shadow: 0 1px 3px var(--shadow-color);
}

.security-score-display {
    text-align: center;
}

.score-circle {
    width: 200px;
    height: 200px;
    border-radius: 50%;
    background: conic-gradient(var(--primary-color) 0deg, var(--primary-color) var(--score-angle, 0deg), #e2e8f0 var(--score-angle, 0deg));
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    margin-bottom: 2rem;
    position: relative;
}

.score-circle::before {
    content: '';
    position: absolute;
    width: 160px;
    height: 160px;
    background: var(--secondary-bg);
    border-radius: 50%;
}

.score-value {
    font-size: 3rem;
    font-weight: 700;
    color: var(--primary-color);
    z-index: 1;
}

.score-label {
    font-size: 0.9rem;
    color: var(--text-secondary);
    z-index: 1;
}

.score-breakdown {
    width: 100%;
}

.breakdown-item {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 0.5rem 0;
    border-bottom: 1px solid var(--border-color);
}

.breakdown-item:last-child {
    border-bottom: none;
}

.breakdown-label {
    color: var(--text-secondary);
}

.breakdown-score {
    color: var(--primary-color);
    font-weight: 600;
}

/* Security Methodology */
.security-methodology {
    padding: 80px 0;
    background: var(--secondary-bg);
}

.methodology-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 2rem;
}

.methodology-item {
    background: var(--light-bg);
    border-radius: 16px;
    padding: 2rem;
    border: 1px solid var(--border-color);
    box-shadow: 0 1px 3px var(--shadow-color);
    transition: all 0.3s ease;
}

.methodology-item:hover {
    transform: translateY(-5px);
    border-color: var(--primary-color);
    box-shadow: 0 15px 40px rgba(247, 144, 9, 0.15);
}

.methodology-icon {
    font-size: 2.5rem;
    margin-bottom: 1rem;
}

.methodology-item h4 {
    font-size: 1.25rem;
    color: var(--text-primary);
    margin-bottom: 1rem;
}

.methodology-item p {
    color: var(--text-secondary);
    line-height: 1.6;
    margin-bottom: 1rem;
}

.criteria-weight {
    background: rgba(247, 144, 9, 0.1);
    color: var(--primary-color);
    padding: 4px 8px;
    border-radius: 6px;
    font-size: 0.8rem;
    font-weight: 600;
    display: inline-block;
}

/* Footer */
.footer {
    background: var(--light-bg);
    padding: 60px 0 20px;
    border-top: 1px solid var(--border-color);
}

.footer-content {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 2rem;
    margin-bottom: 2rem;
}

.footer-section h3 {
    color: var(--text-primary);
    margin-bottom: 1rem;
    font-size: 1.1rem;
}

.footer-section ul {
    list-style: none;
}

.footer-section ul li {
    margin-bottom: 0.5rem;
}

.footer-section ul li a {
    color: var(--text-secondary);
    text-decoration: none;
    transition: color 0.3s ease;
}

.footer-section ul li a:hover {
    color: var(--primary-color);
}

.footer-bottom {
    text-align: center;
    padding-top: 2rem;
    border-top: 1px solid var(--border-color);
    color: var(--text-secondary);
}

/* Responsive Design */
@media (max-width: 768px) {
    .hero-content h1 {
        font-size: 2.5rem;
    }
    
    .hero-stats {
        grid-template-columns: repeat(2, 1fr);
    }
    
    .hero-actions {
        flex-direction: column;
        align-items: center;
    }
    
    .categories-grid {
        grid-template-columns: 1fr;
    }
    
    .section-header {
        flex-direction: column;
        align-items: stretch;
    }
    
    .filter-controls {
        justify-content: center;
    }
    
    .wallets-grid {
        grid-template-columns: 1fr;
    }
    
    .comparison-selector {
        grid-template-columns: 1fr;
    }
    
    .calculator-tool {
        grid-template-columns: 1fr;
    }
    
    .methodology-grid {
        grid-template-columns: 1fr;
    }
    
    .options-grid {
        grid-template-columns: 1fr;
    }
    
    .recommended-scores {
        grid-template-columns: 1fr;
    }
}

@media (max-width: 480px) {
    .hero-stats {
        grid-template-columns: 1fr;
    }
    
    .score-circle {
        width: 150px;
        height: 150px;
    }
    
    .score-circle::before {
        width: 120px;
        height: 120px;
    }
    
    .score-value {
        font-size: 2rem;
    }
}

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

.wallet-card,
.category-card,
.methodology-item {
    animation: fadeInUp 0.6s ease-out;
}

/* Loading States */
.loading {
    opacity: 0.6;
    pointer-events: none;
}

.loading::after {
    content: '';
    position: absolute;
    top: 50%;
    left: 50%;
    width: 20px;
    height: 20px;
    margin: -10px 0 0 -10px;
    border: 2px solid var(--primary-color);
    border-top: 2px solid transparent;
    border-radius: 50%;
    animation: spin 1s linear infinite;
}

@keyframes spin {
    0% { transform: rotate(0deg); }
    100% { transform: rotate(360deg); }
}