/* ==========================================================================
   yt-dlp Installation and Download Page Styles
   ========================================================================== */

/* Platform Selector Tab Navigation */
.platform-tabs-wrapper {
    display: flex;
    justify-content: center;
    width: 100%;
}

.platform-tabs {
    display: inline-flex;
    background: rgba(0, 0, 0, 0.03);
    border: 1px solid var(--border-color);
    padding: 0.35rem;
    border-radius: 30px;
    backdrop-filter: blur(10px);
    gap: 0.25rem;
}

[data-bs-theme="dark"] .platform-tabs {
    background: rgba(255, 255, 255, 0.03);
}

.platform-tab-btn {
    background: transparent;
    border: none;
    color: var(--text-muted);
    padding: 0.6rem 1.5rem;
    font-size: 0.95rem;
    font-weight: 600;
    border-radius: 25px;
    cursor: pointer;
    display: inline-flex;
    align-items: center;
    gap: 8px;
    transition: all var(--transition-fast) cubic-bezier(0.4, 0, 0.2, 1);
}

.platform-tab-btn:hover {
    color: var(--text-main);
    background-color: rgba(0, 0, 0, 0.02);
}

[data-bs-theme="dark"] .platform-tab-btn:hover {
    background-color: rgba(255, 255, 255, 0.02);
}

.platform-tab-btn.active {
    background: linear-gradient(135deg, var(--primary-color), var(--secondary-color));
    color: #ffffff;
    box-shadow: 0 4px 15px rgba(59, 130, 246, 0.25);
}

/* Tab Panels showing/hiding guide content */
.platform-pane {
    display: none;
    animation: fadeInTab 0.35s ease;
}

.platform-pane.active {
    display: block;
}

@keyframes fadeInTab {
    from {
        opacity: 0;
        transform: translateY(8px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

/* Download Step Cards */
.download-card {
    background: var(--bg-card);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-lg);
    padding: 1.75rem;
    box-shadow: var(--shadow-sm);
    transition: transform var(--transition-fast), box-shadow var(--transition-fast);
}

.download-card:hover {
    box-shadow: var(--shadow-md);
}

.download-card .card-title {
    font-size: 1.25rem;
    font-weight: 700;
    color: var(--text-main);
    margin-bottom: 0.75rem;
    display: flex;
    align-items: center;
    gap: 8px;
}

.download-card .card-desc {
    color: var(--text-secondary);
    font-size: 0.95rem;
    margin-bottom: 1.25rem;
}

/* Step list spacing */
.step-guide ol {
    margin-bottom: 0;
    padding-left: 1.2rem;
}

.step-guide li {
    color: var(--text-secondary);
    font-size: 0.95rem;
    margin-bottom: 0.75rem;
}

.step-guide li:last-child {
    margin-bottom: 0;
}

/* Code block containing command and inline copy button */
.code-block-wrapper {
    position: relative;
    background-color: rgba(0, 0, 0, 0.04);
    border-radius: var(--radius-md);
    padding: 0.75rem 3.5rem 0.75rem 1rem;
    margin: 0.5rem 0;
    border: 1px solid rgba(0, 0, 0, 0.05);
    overflow: hidden;
}

[data-bs-theme="dark"] .code-block-wrapper {
    background-color: rgba(255, 255, 255, 0.04);
    border-color: rgba(255, 255, 255, 0.05);
}

.code-block-wrapper pre {
    margin: 0;
    overflow-x: auto;
}

.code-block-wrapper code {
    font-family: 'Consolas', 'Courier New', Courier, monospace;
    font-size: 0.9rem;
    color: #e83e8c;
    word-break: break-all;
    white-space: pre-wrap;
}

[data-bs-theme="dark"] .code-block-wrapper code {
    color: #f472b6;
}

.btn-copy-code {
    position: absolute;
    right: 0.75rem;
    top: 50%;
    transform: translateY(-50%);
    background: var(--bg-card);
    border: 1px solid var(--border-color);
    color: var(--text-secondary);
    padding: 0.35rem 0.65rem;
    font-size: 0.8rem;
    font-weight: 500;
    border-radius: var(--radius-sm);
    cursor: pointer;
    transition: all var(--transition-fast);
    display: inline-flex;
    align-items: center;
    gap: 4px;
}

.btn-copy-code:hover {
    color: var(--text-main);
    background-color: rgba(0, 0, 0, 0.05);
    border-color: var(--text-muted);
}

[data-bs-theme="dark"] .btn-copy-code:hover {
    background-color: rgba(255, 255, 255, 0.05);
}

.btn-copy-code.copied,
.btn-copy-code.copied:hover {
    background-color: #2e7d32;
    color: #ffffff;
    border-color: #2e7d32;
}

/* Dependency & Verify Column Cards */
.dependency-card {
    background: var(--bg-card);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-lg);
    overflow: hidden;
    box-shadow: var(--shadow-sm);
}

.dependency-card .card-header {
    background: rgba(0, 0, 0, 0.02);
    border-bottom: 1px solid var(--border-color);
    font-weight: 700;
    font-size: 1.05rem;
    padding: 1rem 1.25rem;
    display: flex;
    align-items: center;
    gap: 8px;
    color: var(--text-main);
}

[data-bs-theme="dark"] .dependency-card .card-header {
    background: rgba(255, 255, 255, 0.02);
}

.dependency-card .card-body {
    padding: 1.25rem;
}

.code-block-wrapper.bg-dark-output {
    background-color: #0f172a;
    border: 1px solid #1e293b;
}

.code-block-wrapper.bg-dark-output code {
    color: #38bdf8;
}

/* Section headers for subsections */
.download-section .section-title {
    font-size: 1.75rem;
    font-weight: 800;
}

.download-section .section-lead {
    color: var(--text-secondary);
    font-size: 1rem;
    line-height: 1.6;
    margin-bottom: 1.5rem;
    max-width: 850px;
}

/* Responsive adjustments */
@media (max-width: 575.98px) {
    .platform-tabs {
        flex-direction: column;
        width: 100%;
        border-radius: var(--radius-lg);
    }
    
    .platform-tab-btn {
        width: 100%;
        justify-content: center;
    }
    
    .download-card {
        padding: 1.25rem;
    }
    
    .code-block-wrapper {
        padding-right: 1rem;
        padding-top: 0.75rem;
        padding-bottom: 3.25rem;
    }
    
    .btn-copy-code {
        top: auto;
        bottom: 0.75rem;
        transform: none;
        right: 0.75rem;
    }
}