* {
    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: 2rem;
    color: #ecf0f1;
}

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

.header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 2rem;
    padding: 1.5rem 0;
    border-bottom: 1px solid rgba(255, 255, 255, 0.05);
}

h1 {
    font-size: 2.5rem;
    margin: 0;
    font-weight: 700;
    text-shadow: 0 2px 4px rgba(0, 0, 0, 0.3);
}

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

.status {
    background: rgba(0, 0, 0, 0.4);
    padding: 0.75rem 1.5rem;
    border-radius: 25px;
    font-weight: 500;
    display: inline-block;
    margin: 0;
    font-size: 1rem;
    border: 1px solid rgba(255, 255, 255, 0.1);
}

.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: 2rem;
    margin-bottom: 2rem;
}

.cluster-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 1.5rem;
}

.cluster-title {
    font-size: 1.5rem;
    font-weight: 600;
}

.refresh-btn {
    background: rgba(0, 0, 0, 0.4);
    border: 1px solid rgba(255, 255, 255, 0.2);
    color: #ecf0f1;
    padding: 0.5rem 1rem;
    border-radius: 8px;
    cursor: pointer;
    font-size: 0.9rem;
    transition: all 0.3s ease;
}

.refresh-btn:hover {
    background: rgba(0, 0, 0, 0.6);
    border-color: rgba(255, 255, 255, 0.3);
    transform: translateY(-2px);
}

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

.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);
    transform: scale(1.02);
}

.member-card.expanded:hover {
    transform: none;
}

.member-card.expanded .expand-icon {
    transform: rotate(90deg);
}

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

.member-info {
    flex: 1;
}

.expand-icon {
    font-size: 1.2rem;
    opacity: 0.7;
    transition: transform 0.3s ease;
}

.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;
}

.tabs-header {
    display: flex;
    border-bottom: 1px solid rgba(255, 255, 255, 0.1);
    margin-bottom: 1rem;
    gap: 0.5rem;
}

.tab-button {
    background: rgba(0, 0, 0, 0.3);
    border: 1px solid rgba(255, 255, 255, 0.1);
    color: rgba(255, 255, 255, 0.7);
    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(0, 0, 0, 0.5);
    color: rgba(255, 255, 255, 0.9);
}

.tab-button.active {
    background: rgba(255, 255, 255, 0.1);
    color: #ecf0f1;
    border-color: rgba(255, 255, 255, 0.2);
}

.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);
}

.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;
}

/* 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;
    }
}