/* Documentation Hero Section */
.doc-hero {
    padding-top: 8rem;
    padding-bottom: 4rem;
    background: linear-gradient(180deg, var(--neutral-light) 0%, var(--background) 100%);
    text-align: center;
}

.doc-hero-content {
    max-width: 800px;
    margin: 0 auto;
}

.doc-hero-title {
    font-size: 3.5rem;
    font-weight: 700;
    color: var(--text-dark);
    margin-bottom: 1.5rem;
    line-height: 1.2;
}

.doc-hero-description {
    font-size: 1.25rem;
    color: var(--text-muted);
    line-height: 1.6;
}

/* Table of Contents */
.doc-toc {
    padding: 3rem 0;
    background-color: var(--neutral-light);
}

.toc-card {
    background: white;
    border-radius: 1rem;
    padding: 2rem;
    box-shadow: 0 4px 20px rgba(0, 0, 0, 0.1);
    border: 1px solid var(--border-color);
}

.toc-title {
    font-size: 2rem;
    font-weight: 700;
    color: var(--text-dark);
    margin-bottom: 1.5rem;
    text-align: center;
}

.toc-nav {
    margin: 0;
}

.toc-list {
    list-style: none;
    padding: 0;
    margin: 0;
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 1rem;
}

.toc-link {
    display: block;
    padding: 1rem 1.5rem;
    background: var(--neutral-light);
    border-radius: 0.5rem;
    text-decoration: none;
    color: var(--text-primary);
    font-weight: 500;
    transition: all 0.3s ease;
    border: 1px solid var(--border-color);
}

.toc-link:hover {
    background: var(--primary-color);
    color: white;
    transform: translateY(-2px);
    box-shadow: 0 4px 12px rgba(0, 196, 154, 0.3);
}

/* Documentation Sections */
.doc-section {
    padding: 4rem 0;
}

.doc-section:nth-child(even) {
    background-color: var(--neutral-light);
}

.doc-content {
    max-width: 1000px;
    margin: 0 auto;
}

.doc-section-title {
    font-size: 2.5rem;
    font-weight: 700;
    color: var(--text-dark);
    margin-bottom: 2rem;
    text-align: center;
    position: relative;
}

.doc-section-title::after {
    content: '';
    position: absolute;
    bottom: -0.5rem;
    left: 50%;
    transform: translateX(-50%);
    width: 60px;
    height: 3px;
    background: var(--gradient-primary);
    border-radius: 2px;
}

/* Documentation Cards */
.doc-card {
    background: white;
    border-radius: 1rem;
    padding: 2.5rem;
    margin-bottom: 2rem;
    box-shadow: 0 4px 20px rgba(0, 0, 0, 0.1);
    border: 1px solid var(--border-color);
    transition: all 0.3s ease;
}

.doc-card:hover {
    transform: translateY(-2px);
    box-shadow: 0 8px 30px rgba(0, 0, 0, 0.15);
}

.doc-card-title {
    font-size: 1.75rem;
    font-weight: 600;
    color: var(--text-dark);
    margin-bottom: 1rem;
}

.doc-card-text {
    font-size: 1.1rem;
    color: var(--text-muted);
    line-height: 1.7;
    margin-bottom: 1.5rem;
}

/* Lists */
.doc-list {
    list-style: none;
    padding: 0;
    margin: 1rem 0;
}

.doc-list li {
    padding: 0.5rem 0;
    padding-left: 1.5rem;
    position: relative;
    color: var(--text-muted);
    line-height: 1.6;
}

.doc-list li::before {
    content: '✓';
    position: absolute;
    left: 0;
    color: var(--primary-color);
    font-weight: bold;
}

.doc-ordered-list {
    padding-left: 1.5rem;
    margin: 1rem 0;
}

.doc-ordered-list li {
    padding: 0.5rem 0;
    color: var(--text-muted);
    line-height: 1.6;
}

/* Features Grid */
.features-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 2rem;
    margin-top: 2rem;
}

.feature-doc-card {
    background: white;
    border-radius: 1rem;
    padding: 2rem;
    text-align: center;
    box-shadow: 0 4px 20px rgba(0, 0, 0, 0.1);
    border: 1px solid var(--border-color);
    transition: all 0.3s ease;
}

.feature-doc-card:hover {
    transform: translateY(-5px);
    box-shadow: 0 8px 30px rgba(0, 0, 0, 0.15);
}

.feature-icon {
    width: 80px;
    height: 80px;
    background: var(--gradient-primary);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    margin: 0 auto 1.5rem;
    color: white;
    font-size: 2rem;
}

.feature-title {
    font-size: 1.5rem;
    font-weight: 600;
    color: var(--text-dark);
    margin-bottom: 1rem;
}

.feature-description {
    color: var(--text-muted);
    line-height: 1.6;
    margin-bottom: 1.5rem;
}

.feature-list {
    list-style: none;
    padding: 0;
    text-align: left;
}

.feature-list li {
    padding: 0.25rem 0;
    padding-left: 1.5rem;
    position: relative;
    color: var(--text-muted);
    font-size: 0.9rem;
}

.feature-list li::before {
    content: '•';
    position: absolute;
    left: 0;
    color: var(--primary-color);
    font-weight: bold;
}

/* Metrics Grid */
.metrics-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(150px, 1fr));
    gap: 2rem;
    margin-top: 2rem;
}

.metric-item {
    text-align: center;
    padding: 1.5rem;
    background: var(--neutral-light);
    border-radius: 0.5rem;
    border: 1px solid var(--border-color);
}

.metric-value {
    font-size: 2.5rem;
    font-weight: 700;
    color: var(--primary-color);
    margin-bottom: 0.5rem;
}

.metric-label {
    color: var(--text-muted);
    font-weight: 500;
    font-size: 0.9rem;
}

/* Signal Example */
.signal-example {
    margin-top: 2rem;
}

.signal-box {
    background: var(--neutral-light);
    border-radius: 0.5rem;
    padding: 1.5rem;
    border: 1px solid var(--border-color);
    font-family: 'Courier New', monospace;
}

.signal-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 1rem;
    padding-bottom: 1rem;
    border-bottom: 1px solid var(--border-color);
}

.signal-pair {
    font-size: 1.2rem;
    font-weight: bold;
    color: var(--text-dark);
}

.signal-type {
    background: var(--primary-color);
    color: white;
    padding: 0.25rem 0.75rem;
    border-radius: 0.25rem;
    font-size: 0.9rem;
    font-weight: bold;
}

.signal-details {
    margin-bottom: 1rem;
}

.signal-row {
    display: flex;
    justify-content: space-between;
    margin-bottom: 0.5rem;
}

.signal-label {
    font-weight: bold;
    color: var(--text-dark);
}

.signal-value {
    color: var(--text-muted);
}

.signal-analysis {
    background: white;
    padding: 1rem;
    border-radius: 0.25rem;
    border-left: 3px solid var(--primary-color);
    font-style: italic;
    color: var(--text-muted);
}

/* API Endpoints */
.api-endpoints {
    margin-top: 2rem;
}

.api-endpoint {
    display: flex;
    align-items: center;
    gap: 1rem;
    padding: 1rem;
    background: var(--neutral-light);
    border-radius: 0.5rem;
    margin-bottom: 1rem;
    border: 1px solid var(--border-color);
}

.endpoint-method {
    background: var(--primary-color);
    color: white;
    padding: 0.25rem 0.75rem;
    border-radius: 0.25rem;
    font-size: 0.8rem;
    font-weight: bold;
    min-width: 60px;
    text-align: center;
}

.endpoint-url {
    font-family: 'Courier New', monospace;
    color: var(--text-dark);
    font-weight: 500;
    flex: 1;
}

.endpoint-description {
    color: var(--text-muted);
    font-size: 0.9rem;
}

/* FAQ */
.faq-list {
    margin-top: 2rem;
}

.faq-item {
    background: white;
    border-radius: 0.5rem;
    margin-bottom: 1rem;
    border: 1px solid var(--border-color);
    overflow: hidden;
}

.faq-question {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 1.5rem;
    cursor: pointer;
    transition: all 0.3s ease;
    background: var(--neutral-light);
}

.faq-question:hover {
    background: var(--primary-color);
    color: white;
}

.faq-question h3 {
    margin: 0;
    font-size: 1.1rem;
    font-weight: 600;
}

.faq-question i {
    transition: transform 0.3s ease;
}

.faq-item.active .faq-question i {
    transform: rotate(180deg);
}

.faq-answer {
    padding: 0 1.5rem;
    max-height: 0;
    overflow: hidden;
    transition: all 0.3s ease;
}

.faq-item.active .faq-answer {
    padding: 1.5rem;
    max-height: 200px;
}

.faq-answer p {
    margin: 0;
    color: var(--text-muted);
    line-height: 1.6;
}

/* Support Grid */
.support-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 2rem;
    margin-top: 2rem;
}

.support-card {
    background: white;
    border-radius: 1rem;
    padding: 2rem;
    text-align: center;
    box-shadow: 0 4px 20px rgba(0, 0, 0, 0.1);
    border: 1px solid var(--border-color);
    transition: all 0.3s ease;
}

.support-card:hover {
    transform: translateY(-5px);
    box-shadow: 0 8px 30px rgba(0, 0, 0, 0.15);
}

.support-icon {
    width: 80px;
    height: 80px;
    background: var(--gradient-primary);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    margin: 0 auto 1.5rem;
    color: white;
    font-size: 2rem;
}

.support-title {
    font-size: 1.5rem;
    font-weight: 600;
    color: var(--text-dark);
    margin-bottom: 1rem;
}

.support-description {
    color: var(--text-muted);
    line-height: 1.6;
    margin-bottom: 1.5rem;
}

.support-link {
    display: inline-block;
    background: var(--gradient-primary);
    color: white;
    padding: 0.75rem 1.5rem;
    border-radius: 0.5rem;
    text-decoration: none;
    font-weight: 600;
    transition: all 0.3s ease;
}

.support-link:hover {
    transform: translateY(-2px);
    box-shadow: 0 4px 12px rgba(0, 196, 154, 0.3);
    color: white;
}

/* Search Styling */
.doc-search {
    position: relative;
    margin-bottom: 2rem;
}

.doc-search input {
    width: 100%;
    padding: 1rem 1.5rem;
    padding-right: 3rem;
    border: 2px solid var(--border-color);
    border-radius: 0.75rem;
    font-size: 1rem;
    background: white;
    color: var(--text-primary);
    transition: all 0.3s ease;
    box-shadow: 0 2px 8px rgba(0, 0, 0, 0.1);
}

.doc-search input:focus {
    outline: none;
    border-color: var(--primary-color);
    box-shadow: 0 4px 16px rgba(0, 196, 154, 0.2);
}

.doc-search i {
    position: absolute;
    right: 1rem;
    top: 50%;
    transform: translateY(-50%);
    color: var(--text-muted);
    font-size: 1.1rem;
}

/* Button Styling */
.copy-link-btn {
    background: var(--gradient-primary);
    color: white;
    border: none;
    padding: 0.5rem;
    border-radius: 0.25rem;
    font-weight: 600;
    cursor: pointer;
    transition: all 0.3s ease;
    display: inline-flex;
    align-items: center;
    gap: 0.5rem;
    font-size: 0.8rem;
    box-shadow: 0 2px 8px rgba(0, 196, 154, 0.3);
}

.copy-link-btn:hover {
    transform: translateY(-2px);
    box-shadow: 0 4px 16px rgba(0, 196, 154, 0.4);
}

.copy-link-btn {
    margin-left: 0.5rem;
    opacity: 0;
    transition: opacity 0.3s ease;
}

.doc-section-title:hover .copy-link-btn,
.doc-card-title:hover .copy-link-btn {
    opacity: 1;
}

/* Telegram CTA Button */
.telegram-cta-btn {
    background: #0088cc;
    color: white;
    border: none;
    padding: 1rem 2rem;
    border-radius: 0.75rem;
    font-weight: 600;
    text-decoration: none;
    display: inline-flex;
    align-items: center;
    gap: 0.75rem;
    transition: all 0.3s ease;
    box-shadow: 0 4px 16px rgba(0, 136, 204, 0.3);
    font-size: 1.1rem;
    margin-top: 1rem;
}

.telegram-cta-btn:hover {
    background: #006699;
    transform: translateY(-2px);
    box-shadow: 0 6px 20px rgba(0, 136, 204, 0.4);
    color: white;
}

.telegram-cta-btn i {
    font-size: 1.3rem;
}

/* Scroll to Top Button */
.scroll-to-top {
    position: fixed;
    bottom: 2rem;
    right: 2rem;
    width: 3rem;
    height: 3rem;
    background: var(--gradient-primary);
    color: white;
    border: none;
    border-radius: 50%;
    cursor: pointer;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.2rem;
    box-shadow: 0 4px 16px rgba(0, 196, 154, 0.3);
    transition: all 0.3s ease;
    opacity: 0;
    visibility: hidden;
    z-index: 1000;
}

.scroll-to-top.show {
    opacity: 1;
    visibility: visible;
}

.scroll-to-top:hover {
    transform: translateY(-2px);
    box-shadow: 0 6px 20px rgba(0, 196, 154, 0.4);
}

/* Notification System */
.notification {
    position: fixed;
    top: 2rem;
    right: 2rem;
    background: white;
    border-radius: 0.5rem;
    box-shadow: 0 4px 16px rgba(0, 0, 0, 0.15);
    z-index: 1001;
    transform: translateX(100%);
    transition: transform 0.3s ease;
    max-width: 300px;
}

.notification.show {
    transform: translateX(0);
}

.notification-content {
    padding: 1rem;
    display: flex;
    align-items: center;
    gap: 0.75rem;
}

.notification-success {
    border-left: 4px solid #10b981;
}

.notification-error {
    border-left: 4px solid #ef4444;
}

.notification-info {
    border-left: 4px solid #3b82f6;
}

.notification-close {
    background: none;
    border: none;
    color: var(--text-muted);
    cursor: pointer;
    padding: 0.25rem;
    margin-left: auto;
}

.notification-close:hover {
    color: var(--text-primary);
}

/* Responsive Design */
@media (max-width: 768px) {
    .doc-hero-title {
        font-size: 2.5rem;
    }
    
    .doc-hero-description {
        font-size: 1.1rem;
    }
    
    .toc-list {
        grid-template-columns: 1fr;
    }
    
    .doc-section-title {
        font-size: 2rem;
    }
    
    .doc-card {
        padding: 1.5rem;
    }
    
    .features-grid {
        grid-template-columns: 1fr;
    }
    
    .metrics-grid {
        grid-template-columns: repeat(2, 1fr);
    }
    
    .support-grid {
        grid-template-columns: 1fr;
    }
    
    .api-endpoint {
        flex-direction: column;
        align-items: flex-start;
        gap: 0.5rem;
    }
    
    .endpoint-method {
        align-self: flex-start;
    }
}

@media (max-width: 480px) {
    .doc-hero {
        padding-top: 6rem;
        padding-bottom: 3rem;
    }
    
    .doc-hero-title {
        font-size: 2rem;
    }
    
    .metrics-grid {
        grid-template-columns: 1fr;
    }
    
    .signal-header {
        flex-direction: column;
        gap: 0.5rem;
        align-items: flex-start;
    }
}