/**
 * ElevenLabs Desktop App - Download Page Styles
 * Minimalist: white, black, #6f839f only
 */

/* Download Hero */
.download-hero {
    padding: calc(var(--nav-height) + var(--space-24)) 0 var(--space-16);
    text-align: center;
    border-bottom: 1px solid var(--border-subtle);
    background: linear-gradient(180deg, rgba(111, 131, 159, 0.08) 0%, transparent 100%);
}

.download-hero .hero-title-compact {
    font-family: var(--font-display);
    font-size: 48px;
    font-weight: 700;
    line-height: 1.1;
    letter-spacing: -0.02em;
    color: var(--text-primary);
    max-width: 500px;
    margin: 0 auto var(--space-4);
}

.download-hero .hero-subtitle-compact {
    font-size: 18px;
    line-height: 1.6;
    color: var(--text-secondary);
    max-width: 500px;
    margin: 0 auto var(--space-8);
}

.btn-quick-download {
    margin-bottom: var(--space-8);
    padding: 16px 32px;
    font-size: 16px;
    display: inline-flex;
    align-items: center;
    gap: var(--space-3);
}

.quick-download-icon {
    width: 20px;
    height: 20px;
}

.os-detection-banner {
    display: inline-flex;
    align-items: center;
    gap: var(--space-3);
    padding: 10px 18px;
    background: rgba(111, 131, 159, 0.15);
    border: 1px solid rgba(111, 131, 159, 0.3);
    border-radius: var(--radius-md);
    font-size: 14px;
    color: var(--text-secondary);
    margin-bottom: var(--space-8);
}

.os-detection-banner .banner-icon {
    width: 18px;
    height: 18px;
    color: #6f839f;
}

.os-detection-banner strong {
    color: #FEFEFE;
    font-weight: 600;
}

.version-info {
    display: flex;
    justify-content: center;
    gap: var(--space-8);
    font-size: 14px;
    color: var(--text-muted);
}

.version-badge {
    padding: 4px 12px;
    background: var(--bg-tertiary);
    border-radius: var(--radius-full);
    font-weight: 500;
    color: var(--text-secondary);
}

/* Download Section */
.download-section {
    padding: var(--space-24) 0;
}

.download-section .section-title-large {
    font-family: var(--font-display);
    font-size: 42px;
    font-weight: 700;
    color: var(--text-primary);
    text-align: center;
    margin-bottom: var(--space-4);
}

.download-section .section-subtitle-short {
    font-size: 16px;
    color: var(--text-secondary);
    text-align: center;
    margin: 0 auto var(--space-12);
}

.download-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: var(--space-6);
    max-width: 1000px;
    margin: 0 auto var(--space-12);
}

.download-card {
    background: linear-gradient(180deg, var(--bg-card) 0%, var(--bg-secondary) 100%);
    border: 1px solid var(--border-subtle);
    border-radius: var(--radius-lg);
    overflow: hidden;
    transition: all var(--transition-smooth);
}

.download-card:hover {
    border-color: var(--border-default);
    transform: translateY(-4px);
    box-shadow: var(--shadow-lg);
}

.download-card.detected {
    border-color: #6f839f;
    box-shadow: 0 0 30px rgba(111, 131, 159, 0.15);
}

.download-card-header {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: var(--space-6);
    border-bottom: 1px solid var(--border-subtle);
}

.download-card-header .os-icon {
    width: 40px;
    height: 40px;
    color: var(--text-primary);
}

.os-name {
    font-size: 18px;
    font-weight: 600;
    color: var(--text-primary);
}

.recommended-badge {
    display: inline-flex;
    align-items: center;
    gap: var(--space-1);
    padding: 4px 10px;
    background: rgba(111, 131, 159, 0.15);
    border: 1px solid var(--border-accent);
    border-radius: var(--radius-full);
    font-size: 11px;
    font-weight: 700;
    color: #FEFEFE;
    text-transform: uppercase;
    letter-spacing: 0.05em;
}

.recommended-badge svg {
    width: 12px;
    height: 12px;
}

.download-card-body {
    padding: var(--space-6);
}

.file-info {
    display: flex;
    justify-content: space-between;
    margin-bottom: var(--space-4);
}

.file-format {
    font-size: 13px;
    font-weight: 600;
    color: var(--text-secondary);
    background: var(--bg-tertiary);
    padding: 6px 12px;
    border-radius: var(--radius-sm);
}

.file-size {
    font-size: 13px;
    color: var(--text-muted);
}

.os-description {
    font-size: 14px;
    color: var(--text-secondary);
    margin-bottom: var(--space-5);
    line-height: 1.7;
}

.download-btn {
    width: 100%;
    padding: 14px 20px;
    font-size: 15px;
    font-weight: 600;
    margin-bottom: var(--space-3);
}

.linux-options {
    display: flex;
    gap: var(--space-3);
}

.linux-options .download-btn {
    flex: 1;
}

.manual-selection {
    text-align: center;
    padding-top: var(--space-12);
    border-top: 1px solid var(--border-subtle);
}

.manual-selection-label {
    font-size: 14px;
    color: var(--text-secondary);
    margin-bottom: var(--space-5);
}

.manual-buttons {
    display: flex;
    justify-content: center;
    gap: var(--space-3);
    flex-wrap: wrap;
}

.manual-btn {
    padding: 10px 20px;
    font-size: 14px;
    font-weight: 500;
}

/* Install Section */
.install-section {
    padding: var(--space-24) 0;
    background: linear-gradient(180deg, var(--bg-secondary) 0%, transparent 100%);
    border-top: 1px solid var(--border-subtle);
}

.install-section .section-title {
    font-family: var(--font-display);
    font-size: 36px;
    font-weight: 700;
    color: var(--text-primary);
    text-align: center;
    margin-bottom: var(--space-3);
}

.install-section .section-subtitle {
    font-size: 16px;
    color: var(--text-secondary);
    text-align: center;
}

.install-tabs {
    display: flex;
    justify-content: center;
    gap: var(--space-3);
    margin-bottom: var(--space-12);
}

.tab-btn {
    display: flex;
    align-items: center;
    gap: var(--space-2);
    padding: 12px 20px;
    background: var(--bg-card);
    border: 1px solid var(--border-subtle);
    border-radius: var(--radius-md);
    font-size: 14px;
    font-weight: 600;
    color: var(--text-secondary);
    cursor: pointer;
    transition: all var(--transition);
}

.tab-btn:hover {
    border-color: var(--border-default);
    color: var(--text-primary);
    background: rgba(255, 255, 255, 0.02);
}

.tab-btn.active {
    background: #FFFFFF;
    border-color: transparent;
    color: #000000;
}

.tab-icon {
    width: 18px;
    height: 18px;
}

.tab-content {
    max-width: 650px;
    margin: 0 auto;
}

.tab-panel {
    display: none;
}

.tab-panel.active {
    display: block;
}

.install-steps {
    margin-bottom: var(--space-10);
}

.install-step {
    display: flex;
    gap: var(--space-4);
    padding: var(--space-5) 0;
    border-bottom: 1px solid var(--border-subtle);
}

.install-step:last-child {
    border-bottom: none;
}

.step-number {
    flex-shrink: 0;
    width: 36px;
    height: 36px;
    display: flex;
    align-items: center;
    justify-content: center;
    background: #FFFFFF;
    border-radius: 50%;
    font-size: 15px;
    font-weight: 700;
    color: #000000;
}

.step-content h4 {
    font-size: 16px;
    font-weight: 600;
    color: var(--text-primary);
    margin-bottom: var(--space-2);
}

.step-content p {
    font-size: 15px;
    color: var(--text-secondary);
    line-height: 1.7;
}

.code-block {
    position: relative;
    background: var(--bg-primary);
    border: 1px solid var(--border-subtle);
    border-radius: var(--radius-md);
    padding: var(--space-4);
    margin-top: var(--space-3);
    overflow-x: auto;
}

.code-block code {
    display: block;
    font-family: 'SF Mono', 'Monaco', 'Inconsolata', monospace;
    font-size: 13px;
    color: var(--text-secondary);
    line-height: 1.7;
    white-space: pre;
}

.copy-btn {
    position: absolute;
    top: var(--space-3);
    right: var(--space-3);
    padding: 6px 12px;
    background: var(--bg-tertiary);
    border: 1px solid var(--border-subtle);
    border-radius: var(--radius-sm);
    font-size: 12px;
    color: var(--text-secondary);
    cursor: pointer;
    transition: all var(--transition);
}

.copy-btn:hover {
    background: var(--bg-card);
    color: var(--text-primary);
}

.copy-btn.copied {
    background: #FFFFFF;
    border-color: transparent;
    color: #000000;
}

.system-requirements {
    background: var(--bg-card);
    border: 1px solid var(--border-subtle);
    border-radius: var(--radius-md);
    padding: var(--space-5);
}

.system-requirements h4 {
    font-size: 15px;
    font-weight: 600;
    color: var(--text-primary);
    margin-bottom: var(--space-4);
}

.system-requirements ul {
    list-style: none;
}

.system-requirements li {
    font-size: 14px;
    color: var(--text-secondary);
    padding: var(--space-2) 0;
    padding-left: var(--space-6);
    position: relative;
}

.system-requirements li::before {
    content: "✓";
    position: absolute;
    left: 0;
    color: #6f839f;
    font-weight: 600;
}

.macos-note {
    background: rgba(111, 131, 159, 0.15);
    border: 1px solid rgba(111, 131, 159, 0.3);
    border-radius: var(--radius-md);
    padding: var(--space-4);
    margin-top: var(--space-4);
}

.macos-note p {
    font-size: 14px;
    color: var(--text-secondary);
    margin: 0;
}

.macos-note strong {
    color: #FEFEFE;
}

/* FAQ Section */
.faq-section {
    padding: var(--space-24) 0;
    border-top: 1px solid var(--border-subtle);
}

.faq-section .section-title {
    font-family: var(--font-display);
    font-size: 36px;
    font-weight: 700;
    color: var(--text-primary);
    text-align: center;
    margin-bottom: var(--space-3);
}

.faq-section .section-subtitle {
    font-size: 16px;
    color: var(--text-secondary);
    text-align: center;
}

.faq-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: var(--space-4);
    max-width: 900px;
    margin: var(--space-10) auto 0;
}

.faq-item {
    background: linear-gradient(180deg, var(--bg-card) 0%, var(--bg-secondary) 100%);
    border: 1px solid var(--border-subtle);
    border-radius: var(--radius-md);
    overflow: hidden;
    transition: all var(--transition);
}

.faq-item:hover {
    border-color: var(--border-default);
}

.faq-item.open {
    border-color: var(--border-accent);
}

.faq-question {
    width: 100%;
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: var(--space-4);
    background: transparent;
    border: none;
    cursor: pointer;
    text-align: left;
    font-size: 14px;
    font-weight: 600;
    color: var(--text-primary);
    transition: all var(--transition);
}

.faq-question:hover {
    background: rgba(255, 255, 255, 0.02);
}

.faq-toggle {
    flex-shrink: 0;
    width: 16px;
    height: 16px;
    color: var(--text-muted);
    transition: transform var(--transition), color var(--transition);
}

.faq-item.open .faq-toggle {
    transform: rotate(180deg);
    color: #6f839f;
}

.faq-answer {
    display: none;
    padding: 0 var(--space-4) var(--space-4);
}

.faq-item.open .faq-answer {
    display: block;
}

.faq-answer p {
    font-size: 14px;
    color: var(--text-secondary);
    line-height: 1.6;
    margin: 0;
}

/* Mobile Sticky */
.mobile-sticky-download {
    position: fixed;
    bottom: 0;
    left: 0;
    right: 0;
    padding: var(--space-4) var(--space-6) var(--space-3);
    background: linear-gradient(180deg, rgba(13, 13, 13, 0) 0%, var(--bg-primary) 20%);
    z-index: 999;
    display: none;
    justify-content: center;
}

.mobile-sticky-download .btn-sticky {
    width: 100%;
    max-width: 400px;
}

.sticky-icon {
    width: 18px;
    height: 18px;
}

/* Responsive */
@media (max-width: 1024px) {
    .download-grid {
        grid-template-columns: 1fr;
        max-width: 400px;
    }
}

@media (max-width: 768px) {
    .download-hero {
        padding-top: calc(var(--nav-height) + var(--space-16));
    }

    .download-hero .hero-title-compact {
        font-size: 36px;
    }

    .download-hero .hero-subtitle-compact {
        font-size: 16px;
    }

    .faq-grid {
        grid-template-columns: 1fr;
    }

    .nav-links {
        display: none;
    }

    .mobile-sticky-download {
        display: flex;
    }

    body {
        padding-bottom: 80px;
    }

    .linux-options {
        flex-direction: column;
    }

    .install-tabs {
        flex-direction: column;
        align-items: stretch;
    }

    .tab-btn {
        justify-content: center;
    }

    .download-section .section-title-large {
        font-size: 32px;
    }
}

@media (max-width: 480px) {
    .version-info {
        flex-direction: column;
        gap: var(--space-2);
    }
}