/* Version Banner Styles */
.version-banner {
    position: fixed;
    top: 32px;
    left: 50%;
    transform: translateX(-50%);
    background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
    color: white;
    z-index: 9999;
    box-shadow: 0 2px 10px rgba(0, 0, 0, 0.2);
    animation: slideDown 0.3s ease-out;
    border-radius: 24px;
    min-width: 320px;
    max-width: 90vw;
    pointer-events: auto;
}

.version-banner-content {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 20px;
    padding: 12px 20px;
    max-width: 1200px;
    margin: 0 auto;
}

.version-text {
    font-size: 14px;
    font-weight: 600;
    letter-spacing: 0.5px;
}

.whats-new-btn {
    background: rgba(255, 255, 255, 0.2);
    border: 1px solid rgba(255, 255, 255, 0.3);
    color: white;
    padding: 6px 16px;
    border-radius: 20px;
    font-size: 13px;
    font-weight: 600;
    cursor: pointer;
    transition: all 0.3s ease;
    display: flex;
    align-items: center;
    gap: 6px;
}

.whats-new-btn:hover {
    background: rgba(255, 255, 255, 0.3);
    transform: translateY(-1px);
}

.whats-new-btn i {
    font-size: 12px;
}

.close-banner-btn {
    background: transparent;
    border: none;
    color: white;
    cursor: pointer;
    padding: 4px 8px;
    font-size: 16px;
    opacity: 0.8;
    transition: opacity 0.3s ease;
    margin-left: auto;
}

.close-banner-btn:hover {
    opacity: 1;
}

@keyframes slideDown {
    from {
        transform: translateY(-100%);
        opacity: 0;
    }
    to {
        transform: translateY(0);
        opacity: 1;
    }
}

@keyframes slideUp {
    from {
        transform: translateY(0);
        opacity: 1;
    }
    to {
        transform: translateY(-100%);
        opacity: 0;
    }
}

/* Changelog Modal Styles */
.changelog-modal .modal-content {
    max-width: 800px;
    max-height: 80vh;
}

.changelog-modal .modal-header {
    background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
    color: white;
    padding: 20px 24px;
    border-radius: 12px 12px 0 0;
}

.changelog-modal .modal-header h2 {
    margin: 0;
    font-size: 24px;
    display: flex;
    align-items: center;
    gap: 10px;
}

.changelog-modal .close-modal {
    background: rgba(255, 255, 255, 0.2);
    color: white;
}

.changelog-modal .close-modal:hover {
    background: rgba(255, 255, 255, 0.3);
}

.changelog-body {
    padding: 24px;
    overflow-y: auto;
    max-height: calc(80vh - 100px);
}

.markdown-content {
    line-height: 1.6;
    color: var(--text-primary);
}

.markdown-content h1 {
    font-size: 28px;
    margin: 0 0 20px 0;
    color: var(--primary-color);
    border-bottom: 2px solid var(--border-color);
    padding-bottom: 10px;
}

.markdown-content h2 {
    font-size: 22px;
    margin: 24px 0 16px 0;
    color: var(--text-primary);
}

.markdown-content h3 {
    font-size: 18px;
    margin: 20px 0 12px 0;
    color: var(--text-primary);
}

.markdown-content p {
    margin: 12px 0;
}

.markdown-content ul {
    margin: 12px 0;
    padding-left: 24px;
}

.markdown-content li {
    margin: 8px 0;
}

.markdown-content code {
    background: var(--card-bg);
    padding: 2px 6px;
    border-radius: 4px;
    font-family: 'Courier New', monospace;
    font-size: 13px;
    color: var(--primary-color);
}

.markdown-content pre {
    background: var(--card-bg);
    padding: 16px;
    border-radius: 8px;
    overflow-x: auto;
    margin: 16px 0;
}

.markdown-content pre code {
    background: none;
    padding: 0;
}

.markdown-content a {
    color: var(--primary-color);
    text-decoration: none;
}

.markdown-content a:hover {
    text-decoration: underline;
}

.markdown-content hr {
    border: none;
    border-top: 1px solid var(--border-color);
    margin: 24px 0;
}

.markdown-content strong {
    font-weight: 600;
    color: var(--text-primary);
}

.loading-spinner {
    text-align: center;
    padding: 40px;
    color: var(--text-secondary);
}

.loading-spinner i {
    font-size: 32px;
    margin-bottom: 12px;
}

.error-message {
    text-align: center;
    padding: 40px;
    color: var(--text-secondary);
}

.error-message i {
    font-size: 48px;
    color: var(--danger-color);
    margin-bottom: 16px;
}

.error-message a {
    color: var(--primary-color);
}

/* Mobile responsive */
@media (max-width: 768px) {
    .version-banner-content {
        flex-wrap: wrap;
        gap: 10px;
        padding: 10px 16px;
    }

    .version-text {
        font-size: 13px;
        flex: 1;
    }

    .whats-new-btn {
        font-size: 12px;
        padding: 5px 12px;
    }

    .changelog-modal .modal-content {
        max-width: 95%;
        max-height: 90vh;
    }

    .markdown-content h1 {
        font-size: 22px;
    }

    .markdown-content h2 {
        font-size: 18px;
    }
}

/* Adjust main content to account for banner */