.page-header {
    padding: 8rem 2rem 3rem;
    text-align: center;
    background: linear-gradient(180deg, var(--bg-primary) 0%, transparent 100%);
}

.page-header-container {
    max-width: 800px;
    margin: 0 auto;
}

.page-title {
    font-size: clamp(2.5rem, 6vw, 3.5rem);
    margin-bottom: 0.5rem;
    line-height: 1.2;
}

.page-subtitle {
    color: var(--text-secondary);
    font-size: 1.125rem;
}

.features-deep-container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 2rem;
    display: flex;
    flex-direction: column;
    gap: 2rem;
}

.feature-deep-card {
    background: var(--bg-secondary);
    border: 1px solid var(--border);
    border-radius: var(--radius);
    overflow: hidden;
}

.feature-deep-header {
    padding: 1.5rem;
    background: var(--bg-tertiary);
    border-bottom: 1px solid var(--border);
    display: flex;
    justify-content: space-between;
    align-items: center;
    flex-wrap: wrap;
    gap: 1rem;
}

.feature-deep-header h2 {
    font-size: 1.5rem;
}

.feature-source {
    font-family: var(--font-mono);
    font-size: 0.875rem;
    color: var(--accent);
    background: var(--bg-primary);
    padding: 0.25rem 0.75rem;
    border-radius: 4px;
}

.feature-deep-body {
    padding: 1.5rem;
}

.stage-item {
    display: flex;
    gap: 1.5rem;
    margin-bottom: 2rem;
    padding-bottom: 2rem;
    border-bottom: 1px solid var(--border);
}

.stage-item:last-child {
    border-bottom: none;
    margin-bottom: 0;
    padding-bottom: 0;
}

.stage-number {
    width: 40px;
    height: 40px;
    background: var(--accent);
    color: #111;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-weight: 700;
    font-size: 1.25rem;
    flex-shrink: 0;
}

.stage-content h3 {
    margin-bottom: 0.5rem;
    font-size: 1.25rem;
}

.stage-content p {
    color: var(--text-secondary);
    margin-bottom: 1rem;
}

.code-snippet {
    background: var(--bg-tertiary);
    border: 1px solid var(--border);
    border-radius: var(--radius-sm);
    padding: 1rem;
    font-family: var(--font-mono);
    font-size: 0.85rem;
    color: var(--text-secondary);
    overflow-x: auto;
    margin: 1rem 0;
    white-space: pre-wrap;
}

.key-hints {
    display: flex;
    gap: 2rem;
    margin-top: 1.5rem;
    justify-content: center;
}

.key-hint {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 0.5rem;
    color: var(--text-secondary);
}

.key-hint i {
    font-size: 1.5rem;
    color: var(--accent);
}

.security-item {
    margin-bottom: 1.5rem;
}

.security-item h4 {
    margin-bottom: 0.5rem;
    color: var(--accent);
}

.whitelist-demo {
    background: var(--bg-tertiary);
    border: 1px solid var(--border);
    border-radius: var(--radius-sm);
    padding: 1rem;
    margin-top: 1rem;
}

.demo-item {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 0.75rem;
    border-bottom: 1px solid var(--border);
}

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

.demo-item .badge {
    font-size: 0.75rem;
    padding: 0.25rem 0.5rem;
    border-radius: 4px;
    background: var(--bg-primary);
    color: var(--text-secondary);
}

.demo-item.protected .badge {
    background: rgba(34, 211, 238, 0.1);
    color: var(--success);
}

.webui-showcase {
    max-width: 1200px;
    margin: 0 auto;
    padding: 2rem;
    display: grid;
    grid-template-columns: 2fr 1fr;
    gap: 2rem;
}

.webui-terminal {
    background: var(--bg-secondary);
    border: 1px solid var(--border);
    border-radius: var(--radius);
    overflow: hidden;
}

.terminal-header {
    background: var(--bg-tertiary);
    border-bottom: 1px solid var(--border);
    padding: 0.75rem 1rem;
    display: flex;
    justify-content: space-between;
    align-items: center;
    flex-wrap: wrap;
    gap: 0.5rem;
}

.terminal-tabs {
    display: flex;
    gap: 0.5rem;
}

.tab-btn {
    background: transparent;
    border: none;
    color: var(--text-secondary);
    padding: 0.5rem 1rem;
    border-radius: var(--radius-sm);
    cursor: pointer;
    font-size: 0.9rem;
}

.tab-btn.active {
    background: var(--bg-primary);
    color: var(--accent);
}

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

.port-badge, .idle-badge {
    font-family: var(--font-mono);
    font-size: 0.8rem;
    color: var(--text-muted);
}

.terminal-view {
    display: none;
    height: 500px;
    overflow-y: auto;
}

.terminal-view.active {
    display: block;
}

.log-controls {
    padding: 1rem;
    border-bottom: 1px solid var(--border);
    display: flex;
    gap: 1rem;
    align-items: center;
    flex-wrap: wrap;
}

.file-btn {
    background: var(--bg-tertiary);
    border: 1px solid var(--border);
    color: var(--text-primary);
    padding: 0.5rem 1rem;
    border-radius: var(--radius-sm);
    cursor: pointer;
    display: flex;
    align-items: center;
    gap: 0.5rem;
}

.current-file {
    font-family: var(--font-mono);
    font-size: 0.85rem;
    color: var(--text-secondary);
}

.log-content {
    padding: 1rem;
    font-family: var(--font-mono);
    font-size: 0.85rem;
}

.log-line {
    padding: 0.25rem 0;
    color: var(--text-secondary);
    border-bottom: 1px solid var(--border-light);
}

.log-line.success { color: var(--success); }
.log-line.warning { color: var(--warning); }
.log-line.error { color: var(--error); }

.boot-header {
    background: linear-gradient(135deg, var(--success), var(--accent));
    color: #111;
    padding: 0.5rem;
    margin: 1rem 0;
    text-align: center;
    border-radius: var(--radius-sm);
    font-weight: 600;
}

.boot-footer {
    background: linear-gradient(135deg, var(--warning), var(--error));
    color: #111;
    padding: 0.5rem;
    margin: 1rem 0;
    text-align: center;
    border-radius: var(--radius-sm);
    font-weight: 600;
}

.filter-tabs {
    padding: 1rem;
    border-bottom: 1px solid var(--border);
    display: flex;
    gap: 0.5rem;
}

.filter-btn {
    background: var(--bg-tertiary);
    border: 1px solid var(--border);
    color: var(--text-secondary);
    padding: 0.5rem 1rem;
    border-radius: var(--radius-sm);
    cursor: pointer;
    display: flex;
    align-items: center;
    gap: 0.5rem;
}

.filter-btn.active {
    background: var(--accent);
    color: #111;
    border-color: var(--accent);
}

.filter-btn .count {
    background: var(--bg-primary);
    color: var(--text-secondary);
    padding: 0.15rem 0.4rem;
    border-radius: 4px;
    font-size: 0.75rem;
}

.filter-btn.active .count {
    background: rgba(0,0,0,0.2);
    color: #111;
}

.modules-list {
    padding: 1rem;
}

.module-item {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 0.75rem;
    background: var(--bg-tertiary);
    border: 1px solid var(--border);
    border-radius: var(--radius-sm);
    margin-bottom: 0.5rem;
}

.module-info {
    display: flex;
    flex-direction: column;
    gap: 0.25rem;
}

.module-name {
    font-weight: 600;
    font-size: 0.95rem;
}

.module-id {
    font-size: 0.75rem;
    color: var(--text-muted);
    font-family: var(--font-mono);
}

.add-btn {
    background: var(--bg-primary);
    border: 1px solid var(--border);
    color: var(--text-secondary);
    padding: 0.25rem 1rem;
    border-radius: 4px;
    cursor: pointer;
}

.add-btn:hover {
    border-color: var(--accent);
    color: var(--accent);
}

.settings-list {
    padding: 1rem;
}

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

.settings-group h4 {
    color: var(--accent);
    margin-bottom: 1rem;
    font-size: 1rem;
}

.setting-item {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 0.75rem;
    background: var(--bg-tertiary);
    border: 1px solid var(--border);
    border-radius: var(--radius-sm);
    margin-bottom: 0.5rem;
}

.stepper {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    background: var(--bg-primary);
    border: 1px solid var(--border);
    border-radius: var(--radius-sm);
    overflow: hidden;
}

.stepper button {
    width: 32px;
    height: 32px;
    background: transparent;
    border: none;
    color: var(--text-secondary);
    cursor: pointer;
}

.stepper button:hover {
    background: var(--accent);
    color: #111;
}

.stepper .value {
    min-width: 40px;
    text-align: center;
    font-family: var(--font-mono);
}

.toggle {
    position: relative;
    display: inline-block;
    width: 48px;
    height: 24px;
}

.toggle input {
    opacity: 0;
    width: 0;
    height: 0;
}

.slider {
    position: absolute;
    cursor: pointer;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background-color: var(--bg-primary);
    border: 1px solid var(--border);
    border-radius: 24px;
    transition: .2s;
}

.slider:before {
    position: absolute;
    content: "";
    height: 18px;
    width: 18px;
    left: 2px;
    bottom: 2px;
    background-color: var(--text-secondary);
    border-radius: 50%;
    transition: .2s;
}

input:checked + .slider {
    background-color: var(--accent);
}

input:checked + .slider:before {
    transform: translateX(24px);
    background-color: #111;
}

.settings-footer {
    margin-top: 2rem;
    padding-top: 1rem;
    border-top: 1px solid var(--border);
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.unsaved {
    color: var(--text-muted);
    font-size: 0.875rem;
}

.save-btn {
    background: var(--accent);
    color: #111;
    border: none;
    padding: 0.5rem 2rem;
    border-radius: var(--radius-sm);
    font-weight: 600;
    cursor: pointer;
}

.webui-info {
    display: flex;
    flex-direction: column;
    gap: 1.5rem;
}

.info-card {
    background: var(--bg-secondary);
    border: 1px solid var(--border);
    border-radius: var(--radius);
    padding: 1.5rem;
}

.info-card h3 {
    color: var(--accent);
    margin-bottom: 1rem;
    font-size: 1.1rem;
}

.info-card ul {
    list-style: none;
}

.info-card li {
    color: var(--text-secondary);
    padding: 0.5rem 0;
    display: flex;
    align-items: center;
    gap: 0.5rem;
    font-size: 0.95rem;
}

.info-card li i {
    color: var(--accent);
    width: 20px;
}

.info-card pre {
    background: var(--bg-tertiary);
    padding: 1rem;
    border-radius: var(--radius-sm);
    font-family: var(--font-mono);
    font-size: 0.85rem;
    color: var(--text-secondary);
    overflow-x: auto;
}

.download-section {
    padding: 2rem;
}

.download-container {
    max-width: 1200px;
    margin: 0 auto;
    display: grid;
    grid-template-columns: 2fr 1fr;
    gap: 2rem;
}

.download-card {
    background: var(--bg-secondary);
    border: 1px solid var(--border);
    border-radius: var(--radius);
    padding: 2rem;
    position: relative;
    grid-column: 1;
}

.download-card.latest {
    border-color: var(--accent);
    box-shadow: 0 0 20px var(--accent-glow);
}

.download-card .version-badge {
    position: absolute;
    top: -12px;
    left: 2rem;
    background: var(--accent);
    color: #111;
    padding: 0.25rem 1rem;
    border-radius: 20px;
    font-size: 0.875rem;
    font-weight: 600;
}

.card-header {
    margin-bottom: 1.5rem;
}

.card-header h2 {
    font-size: 2rem;
    margin-bottom: 0.25rem;
}

.codename {
    color: var(--accent);
    font-style: italic;
}

.card-stats {
    background: var(--bg-tertiary);
    border: 1px solid var(--border);
    border-radius: var(--radius-sm);
    padding: 1rem;
    margin-bottom: 1.5rem;
}

.stat-row {
    display: flex;
    align-items: center;
    gap: 0.75rem;
    padding: 0.5rem 0;
    color: var(--text-secondary);
}

.stat-row i {
    color: var(--accent);
    width: 20px;
}

.changelog-preview {
    margin-bottom: 1.5rem;
}

.changelog-preview h3 {
    margin-bottom: 0.75rem;
    font-size: 1.1rem;
}

.changelog-preview ul {
    list-style: none;
}

.changelog-preview li {
    color: var(--text-secondary);
    padding: 0.25rem 0;
    padding-left: 1.5rem;
    position: relative;
}

.changelog-preview li:before {
    content: "•";
    color: var(--accent);
    position: absolute;
    left: 0;
}

.download-buttons {
    display: flex;
    gap: 1rem;
    margin-bottom: 1rem;
}

.btn-large {
    flex: 1;
    padding: 1rem;
    justify-content: center;
}

.file-info {
    display: flex;
    gap: 1.5rem;
    color: var(--text-muted);
    font-size: 0.875rem;
    padding-top: 1rem;
    border-top: 1px solid var(--border);
}

.file-info i {
    margin-right: 0.25rem;
}

.update-json-card {
    background: var(--bg-secondary);
    border: 1px solid var(--border);
    border-radius: var(--radius);
    padding: 1.5rem;
    grid-column: 2;
}

.update-json-card h3 {
    margin-bottom: 1rem;
    color: var(--accent);
}

.json-display {
    background: var(--bg-tertiary);
    border: 1px solid var(--border);
    border-radius: var(--radius-sm);
    padding: 1rem;
    font-family: var(--font-mono);
    font-size: 0.85rem;
    color: var(--text-secondary);
    margin-bottom: 1rem;
    overflow-x: auto;
}

.btn-small {
    padding: 0.5rem 1rem;
    font-size: 0.875rem;
}

.previous-versions {
    background: var(--bg-secondary);
    border: 1px solid var(--border);
    border-radius: var(--radius);
    padding: 1.5rem;
    grid-column: 1 / -1;
}

.previous-versions h3 {
    margin-bottom: 1rem;
    color: var(--accent);
}

.version-list {
    margin-bottom: 1rem;
}

.version-row {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 0.75rem;
    border-bottom: 1px solid var(--border);
}

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

.download-link {
    color: var(--accent);
    text-decoration: none;
    font-size: 0.875rem;
}

.view-all {
    display: inline-block;
    color: var(--text-secondary);
    text-decoration: none;
    margin-top: 0.5rem;
}

.view-all:hover {
    color: var(--accent);
}

.stats-card {
    background: var(--bg-secondary);
    border: 1px solid var(--border);
    border-radius: var(--radius);
    padding: 1.5rem;
    grid-column: 1 / -1;
    display: flex;
    justify-content: center;
    gap: 2rem;
}

.stat-badge img {
    height: 28px;
}

.install-quick {
    max-width: 1200px;
    margin: 3rem auto;
    padding: 2rem;
    text-align: center;
}

.install-quick h2 {
    margin-bottom: 2rem;
}

.install-steps {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 1.5rem;
}

.step {
    background: var(--bg-secondary);
    border: 1px solid var(--border);
    border-radius: var(--radius);
    padding: 1.5rem;
    position: relative;
}

.step-number {
    width: 30px;
    height: 30px;
    background: var(--accent);
    color: #111;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-weight: 700;
    margin: 0 auto 1rem;
}

.step p {
    color: var(--text-secondary);
    font-size: 0.95rem;
}

.changelog-section {
    padding: 2rem;
}

.changelog-container {
    max-width: 800px;
    margin: 0 auto;
}

.release-card {
    background: var(--bg-secondary);
    border: 1px solid var(--border);
    border-radius: var(--radius);
    padding: 1.5rem;
    margin-bottom: 1.5rem;
}

.release-header {
    display: flex;
    align-items: center;
    gap: 1rem;
    flex-wrap: wrap;
    margin-bottom: 1rem;
    padding-bottom: 1rem;
    border-bottom: 1px solid var(--border);
}

.release-header h2 {
    font-size: 1.25rem;
    color: var(--accent);
}

.release-date {
    color: var(--text-muted);
    font-size: 0.875rem;
}

.release-badge {
    background: var(--accent);
    color: #111;
    padding: 0.15rem 0.5rem;
    border-radius: 4px;
    font-size: 0.75rem;
    font-weight: 600;
}

.release-body h3 {
    font-size: 1rem;
    margin: 1rem 0 0.5rem;
    color: var(--text-primary);
}

.release-body ul {
    list-style: none;
}

.release-body li {
    color: var(--text-secondary);
    padding: 0.25rem 0;
    padding-left: 1.5rem;
    position: relative;
    font-size: 0.95rem;
}

.release-body li:before {
    content: "→";
    color: var(--accent);
    position: absolute;
    left: 0;
}

.changelog-link {
    text-align: center;
    margin-top: 2rem;
}

@media (max-width: 1024px) {
    .webui-showcase {
        grid-template-columns: 1fr;
    }

    .download-container {
        grid-template-columns: 1fr;
    }

    .install-steps {
        grid-template-columns: repeat(2, 1fr);
    }
}

@media (max-width: 768px) {
    .stage-item {
        flex-direction: column;
        gap: 0.5rem;
    }

    .key-hints {
        flex-direction: column;
        align-items: center;
        gap: 1rem;
    }

    .install-steps {
        grid-template-columns: 1fr;
    }
}

.loading-spinner {
    text-align: center;
    padding: 3rem;
    color: var(--text-secondary);
    font-family: var(--font-mono);
}

.error {
    color: var(--error);
    text-align: center;
    padding: 2rem;
}