* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

body {
    font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, Oxygen, Ubuntu, Cantarell, sans-serif;
    background: linear-gradient(135deg, #2c3e50 0%, #34495e 50%, #1a252f 100%);
    min-height: 100vh;
    padding: 1rem;
    color: #ecf0f1;
}

.container {
    max-width: 1200px;
    margin: 0 auto;
}

/* Header styles removed - integrated into navigation */

p {
    font-size: 1.2rem;
    opacity: 0.9;
    margin-bottom: 2rem;
}

.cluster-section {
    background: rgba(0, 0, 0, 0.3);
    border-radius: 20px;
    backdrop-filter: blur(10px);
    box-shadow: 0 8px 32px rgba(0, 0, 0, 0.4);
    border: 1px solid rgba(255, 255, 255, 0.1);
    padding: 1rem;
    margin-bottom: 1rem;
}

.cluster-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 1rem;
    padding-bottom: 1rem;
    border-bottom: 1px solid rgba(255, 255, 255, 0.08);
}

.cluster-header-left {
    /* Placeholder for future content if needed */
}

.primary-node-info {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    padding: 0.5rem 1rem;
    background: rgba(255, 255, 255, 0.05);
    border-radius: 8px;
    border: 1px solid rgba(255, 255, 255, 0.1);
    backdrop-filter: blur(10px);
}

.primary-node-label {
    font-size: 0.9rem;
    color: rgba(255, 255, 255, 0.7);
    font-weight: 500;
}

.primary-node-ip {
    font-size: 0.9rem;
    color: #4ade80;
    font-weight: 600;
    font-family: 'Monaco', 'Menlo', 'Ubuntu Mono', monospace;
    padding: 0.25rem 0.5rem;
    background: rgba(74, 222, 128, 0.1);
    border-radius: 4px;
    border: 1px solid rgba(74, 222, 128, 0.2);
}

.primary-node-ip.discovering {
    color: #fbbf24;
    background: rgba(251, 191, 36, 0.1);
    border-color: rgba(251, 191, 36, 0.2);
}

.primary-node-ip.error {
    color: #f87171;
    background: rgba(248, 113, 113, 0.1);
    border-color: rgba(248, 113, 113, 0.2);
    margin: 0;
    padding: 0.25rem 0.5rem;
}

.primary-node-ip.selecting {
    color: #8b5cf6;
    background: rgba(139, 92, 246, 0.1);
    border-color: rgba(139, 92, 246, 0.2);
    animation: pulse 1.5s ease-in-out infinite alternate;
}

@keyframes pulse {
    from {
        opacity: 1;
        transform: scale(1);
    }
    to {
        opacity: 0.7;
        transform: scale(1.05);
    }
}

.primary-node-refresh {
    background: none;
    border: none;
    color: rgba(255, 255, 255, 0.6);
    cursor: pointer;
    padding: 0.25rem;
    border-radius: 4px;
    transition: all 0.2s ease;
    display: flex;
    align-items: center;
    justify-content: center;
}

.primary-node-refresh:hover {
    color: rgba(255, 255, 255, 0.9);
    background: rgba(255, 255, 255, 0.1);
}

.primary-node-refresh:active {
    transform: scale(0.95);
}

.firmware-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 2.5rem;
    padding-bottom: 1.5rem;
    border-bottom: 1px solid rgba(255, 255, 255, 0.08);
}

.firmware-header-left {
    /* Placeholder for future content if needed */
}

.refresh-btn {
    background: linear-gradient(135deg, rgba(255, 255, 255, 0.1) 0%, rgba(255, 255, 255, 0.05) 100%);
    border: 1px solid rgba(255, 255, 255, 0.15);
    color: rgba(255, 255, 255, 0.9);
    padding: 0.75rem 1.25rem;
    border-radius: 12px;
    cursor: pointer;
    font-size: 0.9rem;
    font-weight: 500;
    transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
    display: flex;
    align-items: center;
    gap: 0.5rem;
    backdrop-filter: blur(10px);
    margin: 0;
}

.refresh-btn:hover {
    background: linear-gradient(135deg, rgba(255, 255, 255, 0.15) 0%, rgba(255, 255, 255, 0.08) 100%);
    border-color: rgba(255, 255, 255, 0.25);
    transform: translateY(-2px);
    box-shadow: 0 4px 15px rgba(0, 0, 0, 0.2);
}

.refresh-btn:active {
    transform: translateY(0);
}

.refresh-icon {
    width: 16px;
    height: 16px;
    stroke: currentColor;
    stroke-width: 2;
    transition: transform 0.3s ease;
}

.refresh-btn:hover .refresh-icon {
    transform: rotate(180deg);
}

.members-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(300px, 1fr));
    gap: 1rem;
}

.member-card {
    background: rgba(0, 0, 0, 0.2);
    border: 1px solid rgba(255, 255, 255, 0.1);
    border-radius: 12px;
    padding: 1.5rem;
    transition: all 0.3s ease;
    cursor: pointer;
    position: relative;
    margin-bottom: 0.5rem;
}

.member-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: rgba(255, 255, 255, 0.08);
    border-radius: 12px;
    opacity: 0;
    transition: opacity 0.3s ease;
    pointer-events: none;
}

.member-card:hover::before {
    opacity: 1;
}

.member-card:hover {
    box-shadow: 0 8px 25px rgba(0, 0, 0, 0.2);
}

.member-card.expanded {
    background: rgba(0, 0, 0, 0.6);
    border-color: rgba(255, 255, 255, 0.2);
    box-shadow: 0 8px 32px rgba(0, 0, 0, 0.6);
}

.member-card.expanded:hover {
    transform: scale(1.02);
}

.expand-icon:hover {
    background: rgba(255, 255, 255, 0.1);
    color: rgba(255, 255, 255, 0.9);
    border-color: rgba(255, 255, 255, 0.2);
}

.expand-icon:hover svg {
}

.member-card.expanded .expand-icon {
    background: rgba(255, 255, 255, 0.15);
    border-color: rgba(255, 255, 255, 0.25);
    color: rgba(255, 255, 255, 0.9);
}

.member-card.expanded .expand-icon svg {
    transform: rotate(180deg);
}

.member-header {
    display: flex;
    justify-content: space-between;
    align-items: flex-start;
    margin-bottom: 1rem;
}

.member-info {
    flex: 1;
}

.expand-icon {
    color: rgba(255, 255, 255, 0.7);
    cursor: pointer;
    transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
    margin-left: auto;
    padding: 0.25rem;
    border-radius: 8px;
    background: rgba(255, 255, 255, 0.05);
    border: 1px solid rgba(255, 255, 255, 0.1);
    display: flex;
    align-items: center;
    justify-content: center;
}

.expand-icon svg {
    width: 20px;
    height: 20px;
    stroke: currentColor;
    stroke-width: 2;
    transition: transform 0.3s cubic-bezier(0.4, 0, 0.2, 1);
}

.member-details {
    display: none;
    opacity: 0;
    margin-top: 0;
    padding-top: 0;
    border-top: 1px solid transparent;
    transition: opacity 0.3s ease;
}

.member-card.expanded .member-details {
    display: block;
    opacity: 1;
    margin-top: 1rem;
    padding-top: 1rem;
    border-top: 1px solid rgba(255, 255, 255, 0.2);
}

.detail-row {
    display: flex;
    justify-content: space-between;
    margin-bottom: 0.5rem;
    font-size: 0.9rem;
}

.detail-label {
    opacity: 0.7;
    font-weight: 500;
}

.detail-value {
    font-family: 'Courier New', monospace;
    opacity: 0.9;
}

.api-endpoints {
    margin-top: 1rem;
}

.api-endpoints h4 {
    margin-bottom: 0.5rem;
    font-size: 0.9rem;
    opacity: 0.8;
}

.endpoint-item {
    background: rgba(0, 0, 0, 0.3);
    padding: 0.5rem;
    border-radius: 6px;
    margin-bottom: 0.5rem;
    font-size: 0.8rem;
    font-family: 'Courier New', monospace;
    border: 1px solid rgba(255, 255, 255, 0.05);
}

.loading-details {
    text-align: center;
    padding: 1rem;
    opacity: 0.7;
    font-size: 0.9rem;
}

.member-name {
    font-size: 1.2rem;
    font-weight: 600;
    margin-bottom: 0.5rem;
    color: #fff;
}

.member-ip {
    font-size: 0.9rem;
    opacity: 0.8;
    margin-bottom: 0.5rem;
    font-family: 'Courier New', monospace;
}

.member-status {
    display: inline-block;
    padding: 0.25rem 0.75rem;
    border-radius: 20px;
    font-size: 0.8rem;
    font-weight: 500;
    text-transform: uppercase;
    letter-spacing: 0.5px;
}

.status-online {
    background: rgba(76, 175, 80, 0.3);
    color: #4caf50;
    border: 1px solid rgba(76, 175, 80, 0.5);
}

.status-offline {
    background: rgba(244, 67, 54, 0.3);
    color: #f44336;
    border: 1px solid rgba(244, 67, 54, 0.5);
}

.member-latency {
    font-size: 0.85rem;
    margin-top: 0.5rem;
    display: flex;
    align-items: center;
    gap: 0.5rem;
}

.latency-label {
    color: rgba(255, 255, 255, 0.7);
    font-weight: 500;
}

.latency-value {
    color: #ecf0f1;
    font-weight: 600;
    background: rgba(0, 0, 0, 0.3);
    padding: 0.2rem 0.5rem;
    border-radius: 4px;
    border: 1px solid rgba(255, 255, 255, 0.1);
}

/* Tab Styles */
.tabs-container {
    margin-top: 1rem;
    background: rgba(255, 255, 255, 0.03);
    border-radius: 8px;
    padding: 0.5rem;
}

.tabs-header {
    display: flex;
    border-bottom: 1px solid rgba(255, 255, 255, 0.15);
    margin-bottom: 1rem;
    gap: 0.5rem;
}

.tab-button {
    background: rgba(255, 255, 255, 0.08);
    border: 1px solid rgba(255, 255, 255, 0.15);
    color: rgba(255, 255, 255, 0.8);
    padding: 0.5rem 1rem;
    border-radius: 8px 8px 0 0;
    cursor: pointer;
    font-size: 0.9rem;
    transition: all 0.3s ease;
    border-bottom: none;
}

.tab-button:hover {
    background: rgba(255, 255, 255, 0.15);
    color: rgba(255, 255, 255, 0.95);
    border-color: rgba(255, 255, 255, 0.25);
}

.tab-button.active {
    background: rgba(255, 255, 255, 0.2);
    color: #ffffff;
    border-color: rgba(255, 255, 255, 0.3);
    box-shadow: 0 2px 8px rgba(255, 255, 255, 0.1);
}

.tab-content {
    display: none;
    padding: 1rem 0;
}

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

/* Task Styles */
.task-item {
    background: rgba(0, 0, 0, 0.2);
    border: 1px solid rgba(255, 255, 255, 0.1);
    border-radius: 8px;
    padding: 1rem;
    margin-bottom: 0.75rem;
}

.task-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 0.5rem;
}

.task-name {
    font-weight: 600;
    color: #ecf0f1;
}

.task-status {
    font-size: 0.85rem;
    padding: 0.25rem 0.5rem;
    border-radius: 4px;
    font-weight: 500;
}

.task-status.running {
    background: rgba(76, 175, 80, 0.2);
    color: #4caf50;
    border: 1px solid rgba(76, 175, 80, 0.3);
}

.task-status.stopped {
    background: rgba(244, 67, 54, 0.2);
    color: #f44336;
    border: 1px solid rgba(244, 67, 54, 0.3);
}

.task-details {
    display: flex;
    gap: 1rem;
    font-size: 0.8rem;
    opacity: 0.8;
}

.task-interval, .task-enabled {
    background: rgba(0, 0, 0, 0.2);
    padding: 0.2rem 0.5rem;
    border-radius: 4px;
    border: 1px solid rgba(255, 255, 255, 0.05);
}

/* Firmware Upload Styles */
.firmware-upload h4 {
    margin-bottom: 1rem;
    color: #ecf0f1;
}

.upload-area {
    text-align: center;
    padding: 2rem;
    border: 2px dashed rgba(255, 255, 255, 0.2);
    border-radius: 12px;
    background: rgba(0, 0, 0, 0.2);
}

.upload-btn {
    background: rgba(255, 255, 255, 0.1);
    border: 1px solid rgba(255, 255, 255, 0.2);
    color: #ecf0f1;
    padding: 0.75rem 1.5rem;
    border-radius: 8px;
    cursor: pointer;
    font-size: 1rem;
    transition: all 0.3s ease;
    margin-bottom: 1rem;
}

.upload-btn:hover {
    background: rgba(255, 255, 255, 0.2);
    transform: translateY(-2px);
}

.upload-info {
    font-size: 0.9rem;
    opacity: 0.7;
    color: rgba(255, 255, 255, 0.8);
}

/* Upload Status Styles */
#upload-status {
    margin-top: 1rem;
    padding: 1rem;
    border-radius: 8px;
    border: 1px solid rgba(255, 255, 255, 0.1);
}

.upload-progress {
    text-align: center;
    color: #ffa726;
}

.upload-success {
    text-align: center;
    color: #4caf50;
    background: rgba(76, 175, 80, 0.1);
    border: 1px solid rgba(76, 175, 80, 0.2);
    padding: 0.75rem;
    border-radius: 6px;
}

.upload-error {
    text-align: center;
    color: #f44336;
    background: rgba(244, 67, 54, 0.1);
    border: 1px solid rgba(244, 67, 54, 0.2);
    padding: 0.75rem;
    border-radius: 6px;
}

.upload-btn:disabled {
    opacity: 0.6;
    cursor: not-allowed;
    transform: none !important;
}

.no-tasks {
    text-align: center;
    padding: 2rem;
    opacity: 0.7;
}

.loading-tasks {
    text-align: center;
    padding: 1rem;
    opacity: 0.7;
    font-style: italic;
}

.loading {
    text-align: center;
    padding: 2rem;
    opacity: 0.7;
}

.error {
    background: rgba(244, 67, 54, 0.2);
    border: 1px solid rgba(244, 67, 54, 0.3);
    color: #ffcdd2;
    padding: 1rem;
    border-radius: 8px;
    margin-top: 1rem;
}

.empty-state {
    text-align: center;
    padding: 2rem;
    opacity: 0.7;
}

.empty-state-icon {
    font-size: 3rem;
    margin-bottom: 1rem;
    opacity: 0.5;
}

/* Main Navigation Styles */
.main-navigation {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 1rem;
    background: rgba(0, 0, 0, 0.2);
    border-radius: 16px;
    padding: 0.5rem;
    border: 1px solid rgba(255, 255, 255, 0.1);
    backdrop-filter: blur(10px);
}

.nav-left {
    display: flex;
    gap: 0.25rem;
}

.nav-right {
    display: flex;
    align-items: center;
}

.nav-tab {
    background: transparent;
    border: none;
    color: rgba(255, 255, 255, 0.6);
    padding: 0.875rem 1.75rem;
    border-radius: 12px;
    cursor: pointer;
    font-size: 0.95rem;
    font-weight: 500;
    transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
    position: relative;
    overflow: hidden;
}

.nav-tab::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: linear-gradient(135deg, rgba(255, 255, 255, 0.1) 0%, rgba(255, 255, 255, 0.05) 100%);
    opacity: 0;
    transition: opacity 0.3s ease;
}

.nav-tab:hover {
    color: rgba(255, 255, 255, 0.9);
    transform: translateY(-1px);
}

.nav-tab:hover::before {
    opacity: 1;
}

.nav-tab.active {
    background: rgba(255, 255, 255, 0.15);
    color: #ffffff;
    box-shadow: 0 4px 20px rgba(255, 255, 255, 0.1);
    transform: translateY(-1px);
}

.nav-tab.active::before {
    opacity: 0;
}

/* Cluster Status */
.cluster-status {
    background: linear-gradient(135deg, rgba(0, 255, 0, 0.15) 0%, rgba(0, 255, 0, 0.08) 100%);
    border: 1px solid rgba(0, 255, 0, 0.25);
    color: #00ff88;
    padding: 0.75rem 1.25rem;
    border-radius: 20px;
    font-size: 0.9rem;
    font-weight: 600;
    text-shadow: 0 1px 2px rgba(0, 0, 0, 0.3);
    box-shadow: 0 2px 8px rgba(0, 255, 0, 0.1);
}

/* View Content Styles */
.view-content {
    display: none;
}

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

/* Firmware Section Styles */
.firmware-section {
    background: rgba(0, 0, 0, 0.25);
    border-radius: 24px;
    backdrop-filter: blur(15px);
    box-shadow: 0 12px 40px rgba(0, 0, 0, 0.3);
    border: 1px solid rgba(255, 255, 255, 0.08);
    padding: 1rem;
    margin-bottom: 1rem;
    position: relative;
    overflow: hidden;
}

.firmware-section::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 1px;
    background: linear-gradient(90deg, transparent, rgba(255, 255, 255, 0.2), transparent);
}

/* Firmware header styles moved to general header section above */

/* Firmware Stats */
.firmware-stats {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
    gap: 1.5rem;
    margin-bottom: 3rem;
}

.stat-card {
    background: linear-gradient(135deg, rgba(255, 255, 255, 0.08) 0%, rgba(255, 255, 255, 0.03) 100%);
    border: 1px solid rgba(255, 255, 255, 0.08);
    border-radius: 16px;
    padding: 2rem 1.5rem;
    text-align: center;
    position: relative;
    overflow: hidden;
    transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
}

.stat-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 2px;
    background: linear-gradient(90deg, #667eea, #764ba2);
    opacity: 0.7;
}

.stat-card:hover {
    transform: translateY(-4px);
    box-shadow: 0 8px 25px rgba(0, 0, 0, 0.3);
    border-color: rgba(255, 255, 255, 0.15);
}

.stat-title {
    font-size: 0.85rem;
    color: rgba(255, 255, 255, 0.6);
    margin-bottom: 0.75rem;
    text-transform: uppercase;
    letter-spacing: 1px;
    font-weight: 600;
}

.stat-value {
    font-size: 2.5rem;
    font-weight: 800;
    color: #ffffff;
    text-shadow: 0 2px 4px rgba(0, 0, 0, 0.3);
}

/* Firmware Actions */
.firmware-actions {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(320px, 1fr));
    gap: 2.5rem;
    margin-bottom: 3rem;
}

.action-group {
    background: rgba(0, 0, 0, 0.2);
    border-radius: 20px;
    padding: 2rem;
    border: 1px solid rgba(255, 255, 255, 0.06);
    position: relative;
    overflow: hidden;
}

.action-group::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 1px;
    background: linear-gradient(90deg, transparent, rgba(255, 255, 255, 0.15), transparent);
}

.action-group h3 {
    color: #ffffff;
    margin-bottom: 1.5rem;
    font-size: 1.2rem;
    font-weight: 600;
    text-shadow: 0 1px 2px rgba(0, 0, 0, 0.3);
}

.upload-area-large {
    text-align: center;
    padding: 2.5rem;
    border: 2px dashed rgba(255, 255, 255, 0.15);
    border-radius: 16px;
    background: linear-gradient(135deg, rgba(255, 255, 255, 0.03) 0%, rgba(255, 255, 255, 0.01) 100%);
    transition: all 0.3s ease;
}

.upload-area-large:hover {
    border-color: rgba(255, 255, 255, 0.25);
    background: linear-gradient(135deg, rgba(255, 255, 255, 0.05) 0%, rgba(255, 255, 255, 0.02) 100%);
}

.upload-btn-large {
    background: linear-gradient(135deg, rgba(255, 255, 255, 0.15) 0%, rgba(255, 255, 255, 0.08) 100%);
    border: 1px solid rgba(255, 255, 255, 0.2);
    color: #ffffff;
    padding: 1.25rem 2.5rem;
    border-radius: 12px;
    cursor: pointer;
    font-size: 1.1rem;
    font-weight: 600;
    transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
    margin-bottom: 1.5rem;
    position: relative;
    overflow: hidden;
}

.upload-btn-large::before {
    content: '';
    position: absolute;
    top: 0;
    left: -100%;
    width: 100%;
    height: 100%;
    background: linear-gradient(90deg, transparent, rgba(255, 255, 255, 0.2), transparent);
    transition: left 0.5s ease;
}

.upload-btn-large:hover {
    background: linear-gradient(135deg, rgba(255, 255, 255, 0.2) 0%, rgba(255, 255, 255, 0.12) 100%);
    transform: translateY(-3px);
    box-shadow: 0 8px 25px rgba(0, 0, 0, 0.3);
}

.upload-btn-large:hover::before {
    left: 100%;
}

.upload-info-large {
    font-size: 0.9rem;
    color: rgba(255, 255, 255, 0.7);
    line-height: 1.5;
}

/* Target Selection */
.target-selection {
    display: flex;
    flex-direction: column;
    gap: 1.25rem;
}

.target-selection label {
    display: flex;
    align-items: center;
    gap: 0.75rem;
    color: rgba(255, 255, 255, 0.9);
    cursor: pointer;
    padding: 0.75rem;
    border-radius: 10px;
    transition: all 0.2s ease;
    border: 1px solid transparent;
}

.target-selection label:hover {
    background: rgba(255, 255, 255, 0.05);
    border-color: rgba(255, 255, 255, 0.1);
}

.target-selection input[type="radio"] {
    margin: 0;
    width: 18px;
    height: 18px;
    accent-color: #667eea;
}

.target-selection select {
    background: linear-gradient(135deg, rgba(0, 0, 0, 0.6) 0%, rgba(0, 0, 0, 0.5) 100%);
    border: 1px solid rgba(255, 255, 255, 0.2);
    color: #ffffff;
    padding: 0.75rem 1rem;
    border-radius: 10px;
    margin-top: 0.75rem;
    font-size: 0.95rem;
    transition: all 0.2s ease;
    cursor: pointer;
    font-weight: 500;
    text-shadow: 0 1px 2px rgba(0, 0, 0, 0.3);
}

.target-selection select:hover {
    border-color: rgba(255, 255, 255, 0.3);
    background: linear-gradient(135deg, rgba(0, 0, 0, 0.7) 0%, rgba(0, 0, 0, 0.6) 100%);
}

.target-selection select:focus {
    outline: none;
    border-color: #667eea;
    box-shadow: 0 0 0 3px rgba(102, 126, 234, 0.1);
    background: linear-gradient(135deg, rgba(0, 0, 0, 0.8) 0%, rgba(0, 0, 0, 0.7) 100%);
}

/* Style the dropdown options */
.target-selection select option {
    background: #2c3e50;
    color: #ffffff;
    padding: 0.5rem;
    font-size: 0.9rem;
}

.target-selection select option:hover {
    background: #34495e;
}

.target-selection select option:checked {
    background: #667eea;
    color: #ffffff;
}

/* Ensure the select field text is always visible */
.target-selection select:invalid {
    color: rgba(255, 255, 255, 0.7);
}

.target-selection select:valid {
    color: #ffffff;
}

/* Text shadow already added to main select rule above */

/* Responsive design for smaller screens */
@media (max-width: 768px) {
    .header {
        flex-direction: column;
        gap: 1rem;
        text-align: center;
    }
    
    h1 {
        font-size: 2rem;
    }
    
    .status {
        padding: 0.5rem 1rem;
        font-size: 0.9rem;
    }
    
    /* Mobile navigation */
    .main-navigation {
        flex-direction: column;
        gap: 1rem;
        padding: 1rem;
    }
    
    .nav-left {
        flex-direction: column;
        gap: 0.25rem;
    }
    
    .nav-tab {
        padding: 0.75rem 1rem;
        font-size: 0.9rem;
        border-radius: 10px;
        text-align: center;
    }
    
    .cluster-status {
        padding: 0.5rem 1rem;
        font-size: 0.85rem;
    }
    
    /* Mobile firmware stats */
    .firmware-stats {
        grid-template-columns: 1fr;
        gap: 1rem;
    }
    
    .stat-card {
        padding: 1.5rem 1rem;
    }
    
    .stat-value {
        font-size: 2rem;
    }
    
    .firmware-actions {
        grid-template-columns: 1fr;
        gap: 2rem;
    }
    
    .action-group {
        padding: 1.5rem;
    }
    
    .upload-area-large {
        padding: 2rem 1.5rem;
    }
    
    .upload-btn-large {
        padding: 1rem 2rem;
        font-size: 1rem;
    }
    
    /* Mobile tab responsiveness */
    .tabs-header {
        flex-wrap: wrap;
        gap: 0.25rem;
        padding-bottom: 0.5rem;
    }
    
    .tab-button {
        flex: 1 1 auto;
        min-width: 0;
        padding: 0.4rem 0.75rem;
        font-size: 0.8rem;
        white-space: nowrap;
        overflow: hidden;
        text-overflow: ellipsis;
    }
    
    .tabs-container {
        padding: 0.25rem;
        margin-top: 0.75rem;
    }
    
    .tab-content {
        padding: 0.75rem 0;
    }
    
    /* Mobile member card improvements */
    .member-card {
        padding: 1rem;
        margin-bottom: 0.75rem;
    }
    
    .member-info {
        gap: 0.25rem;
    }
    
    .member-name {
        font-size: 1.1rem;
    }
    
    .member-ip {
        font-size: 0.8rem;
    }
    
    .member-latency {
        margin-top: 0.4rem;
        font-size: 0.8rem;
    }
}

/* Extra small screens */
@media (max-width: 480px) {
    .tabs-header {
        gap: 0.2rem;
    }
    
    .tab-button {
        padding: 0.35rem 0.6rem;
        font-size: 0.75rem;
        border-radius: 6px 6px 0 0;
    }
    
    .tabs-container {
        padding: 0.2rem;
        margin-top: 0.5rem;
    }
} 

/* Firmware upload progress and results styling */
.firmware-upload-progress,
.firmware-upload-results {
    background: rgba(0, 0, 0, 0.3);
    border-radius: 16px;
    backdrop-filter: blur(10px);
    box-shadow: 0 8px 32px rgba(0, 0, 0, 0.4);
    border: 1px solid rgba(255, 255, 255, 0.1);
    padding: 1.5rem;
    margin-top: 1rem;
}

.progress-header,
.results-header {
    margin-bottom: 1.5rem;
    padding-bottom: 1rem;
    border-bottom: 1px solid rgba(255, 255, 255, 0.08);
}

.progress-header h3,
.results-header h3 {
    margin: 0 0 0.5rem 0;
    color: #ecf0f1;
    font-size: 1.2rem;
    font-weight: 600;
}

.progress-info,
.results-summary {
    display: flex;
    gap: 1rem;
    flex-wrap: wrap;
    font-size: 0.9rem;
    color: rgba(255, 255, 255, 0.7);
}

.progress-info span,
.results-summary span {
    padding: 0.25rem 0.5rem;
    background: rgba(255, 255, 255, 0.05);
    border-radius: 6px;
    border: 1px solid rgba(255, 255, 255, 0.1);
}

.overall-progress {
    display: flex;
    align-items: center;
    gap: 1rem;
    margin-top: 1rem;
}

.progress-bar-container {
    flex: 1;
    height: 8px;
    background: rgba(255, 255, 255, 0.1);
    border-radius: 4px;
    overflow: hidden;
}

.progress-bar {
    height: 100%;
    background: #fbbf24;
    border-radius: 4px;
    transition: width 0.3s ease, background-color 0.3s ease;
    width: 0%;
}

.progress-text {
    font-size: 0.9rem;
    color: rgba(255, 255, 255, 0.8);
    font-weight: 500;
    min-width: 80px;
    text-align: right;
}

.progress-summary {
    margin-top: 0.75rem;
    padding: 0.5rem 0.75rem;
    background: rgba(255, 255, 255, 0.05);
    border-radius: 8px;
    border: 1px solid rgba(255, 255, 255, 0.1);
}

.progress-summary span {
    font-size: 0.9rem;
    color: rgba(255, 255, 255, 0.8);
    font-weight: 500;
}

.success-count {
    color: #4ade80 !important;
    border-color: rgba(74, 222, 128, 0.3) !important;
}

.failure-count {
    color: #f87171 !important;
    border-color: rgba(248, 113, 113, 0.3) !important;
}

.total-count {
    color: #60a5fa !important;
    border-color: rgba(96, 165, 250, 0.3) !important;
}

.progress-list,
.results-list {
    display: flex;
    flex-direction: column;
    gap: 0.75rem;
}

.progress-item,
.result-item {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 1rem;
    background: rgba(255, 255, 255, 0.05);
    border-radius: 12px;
    border: 1px solid rgba(255, 255, 255, 0.1);
    transition: all 0.3s ease;
}

.progress-item:hover,
.result-item:hover {
    background: rgba(255, 255, 255, 0.08);
    border-color: rgba(255, 255, 255, 0.15);
}

.progress-node-info,
.result-node-info {
    display: flex;
    flex-direction: column;
    gap: 0.25rem;
}

.node-name {
    font-weight: 600;
    color: #ecf0f1;
}

.node-ip {
    font-size: 0.85rem;
    color: rgba(255, 255, 255, 0.6);
    font-family: 'Monaco', 'Menlo', 'Ubuntu Mono', monospace;
}

.progress-status,
.result-status {
    font-weight: 600;
    padding: 0.5rem 1rem;
    border-radius: 8px;
    font-size: 0.9rem;
    min-width: 100px;
    text-align: center;
}

.progress-time {
    font-size: 0.8rem;
    color: rgba(255, 255, 255, 0.5);
    min-width: 120px;
    text-align: right;
}

.progress-status.success,
.result-status.success {
    background: rgba(74, 222, 128, 0.1);
    color: #4ade80;
    border: 1px solid rgba(74, 222, 128, 0.2);
}

.progress-status.error,
.result-status.error {
    background: rgba(248, 113, 113, 0.1);
    color: #f87171;
    border: 1px solid rgba(248, 113, 113, 0.2);
}

.progress-status.uploading {
    background: rgba(251, 191, 36, 0.1);
    color: #fbbf24;
    border: 1px solid rgba(251, 191, 36, 0.2);
    animation: pulse 1.5s ease-in-out infinite alternate;
}

.result-details {
    font-size: 0.85rem;
    color: rgba(255, 255, 255, 0.7);
    max-width: 300px;
    text-align: right;
}

.results-actions {
    display: flex;
    gap: 1rem;
    margin-top: 1.5rem;
    padding-top: 1rem;
    border-top: 1px solid rgba(255, 255, 255, 0.08);
}

.clear-btn,
.refresh-btn {
    background: linear-gradient(135deg, rgba(255, 255, 255, 0.1) 0%, rgba(255, 255, 255, 0.05) 100%);
    border: 1px solid rgba(255, 255, 255, 0.15);
    color: rgba(255, 255, 255, 0.9);
    padding: 0.75rem 1.25rem;
    border-radius: 12px;
    cursor: pointer;
    font-size: 0.9rem;
    font-weight: 500;
    transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
}

.clear-btn:hover,
.refresh-btn:hover {
    background: linear-gradient(135deg, rgba(255, 255, 255, 0.15) 0%, rgba(255, 255, 255, 0.08) 100%);
    border-color: rgba(255, 255, 255, 0.25);
    transform: translateY(-2px);
    box-shadow: 0 4px 15px rgba(0, 0, 0, 0.2);
}

.clear-btn:active,
.refresh-btn:active {
    transform: translateY(0);
}

/* Responsive design for progress and results */
@media (max-width: 768px) {
    .progress-item,
    .result-item {
        flex-direction: column;
        align-items: flex-start;
        gap: 0.75rem;
    }
    
    .progress-status,
    .result-status {
        align-self: flex-end;
    }
    
    .result-details {
        text-align: left;
        max-width: none;
    }
    
    .progress-info,
    .results-summary {
        flex-direction: column;
        gap: 0.5rem;
    }
    
    .results-actions {
        flex-direction: column;
    }
}