header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 8px 0 12px;
    position: sticky;
    top: 0;
    z-index: 100;
    background: var(--bg-color);
}

.header-title {
    display: flex;
    align-items: center;
    gap: 8px;
}

h1 {
    font-size: 1.25rem;
    color: var(--primary-text-color);
}

h2 {
    margin-bottom: 20px;
    color: var(--text-color);
    font-size: 1.5rem;
}

.server-info {
    display: flex;
    align-items: center;
    gap: 8px;
}

.header-link {
    color: var(--text-secondary);
    text-decoration: none;
    font-size: 0.85rem;
    font-weight: 500;
    padding: 4px 8px;
    border-radius: 4px;
    transition: color 0.2s, background 0.2s;
}

.header-link:hover {
    color: var(--text-color);
    background: var(--bg-secondary);
}

#server-version {
    font-size: 0.75rem;
    font-weight: 400;
    color: var(--text-secondary);
    background: var(--border-color);
    padding: 2px 8px;
    border-radius: 10px;
    letter-spacing: 0.03em;
}

.status-badge {
    font-size: 1rem;
    animation: pulse 2s infinite;
}

.status-badge.online {
    color: var(--primary-color);
}

.status-badge.offline {
    color: var(--danger-color);
}

@keyframes pulse {
    0%, 100% { opacity: 1; }
    50% { opacity: 0.5; }
}

/* WLED device health indicator */
.health-dot {
    display: inline-block;
    width: 10px;
    height: 10px;
    border-radius: 50%;
    margin-right: 8px;
    vertical-align: middle;
    flex-shrink: 0;
}

.health-dot.health-online {
    background-color: var(--primary-color);
    box-shadow: 0 0 6px rgba(76, 175, 80, 0.6);
}

.health-dot.health-offline {
    background-color: var(--danger-color);
    box-shadow: 0 0 6px rgba(244, 67, 54, 0.6);
}

.health-dot.health-unknown {
    background-color: var(--text-secondary);
    animation: pulse 2s infinite;
}

.health-latency {
    font-size: 0.7rem;
    font-weight: 400;
    color: var(--primary-text-color);
    margin-left: auto;
    padding-left: 8px;
    opacity: 0.85;
}

.health-latency.offline {
    color: var(--danger-color);
}

/* Tabs */
.tab-bar {
    display: flex;
    align-items: center;
    gap: 4px;
    border-bottom: 2px solid var(--border-color);
    margin-bottom: 16px;
}

.tab-btn {
    background: none;
    border: none;
    padding: 10px 18px;
    font-size: 1rem;
    font-weight: 500;
    color: var(--text-secondary);
    cursor: pointer;
    border-bottom: 2px solid transparent;
    margin-bottom: -2px;
    transition: color 0.2s, border-color 0.2s;
}

.tab-btn:hover {
    color: var(--text-color);
}

.tab-btn.active {
    color: var(--primary-text-color);
    border-bottom-color: var(--primary-color);
}

.tab-badge {
    background: var(--border-color);
    color: var(--text-secondary);
    font-size: 0.65rem;
    font-weight: 700;
    padding: 1px 5px;
    border-radius: 8px;
    margin-left: 4px;
    min-width: 16px;
    text-align: center;
    line-height: 1.3;
    display: inline-block;
}

.tab-btn.active .tab-badge {
    background: var(--primary-color);
    color: #fff;
}

.tab-panel {
    display: none;
    position: relative;
}

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

/* Thin animated bar at top of tab panel during data refresh */
.tab-panel.refreshing::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 40%;
    height: 2px;
    background: var(--primary-color);
    border-radius: 1px;
    animation: tab-loading-slide 1.2s ease-in-out infinite;
    z-index: 2;
}

@keyframes tab-loading-slide {
    0%   { left: -40%; }
    100% { left: 100%; }
}

/* Theme Toggle */
.search-toggle,
.theme-toggle {
    background: var(--card-bg);
    border: 1px solid var(--border-color);
    padding: 4px 8px;
    border-radius: 4px;
    cursor: pointer;
    font-size: 1rem;
    transition: transform 0.2s;
    margin-left: 0;
}

.search-toggle:hover,
.theme-toggle:hover {
    transform: scale(1.1);
}

/* Footer */
.app-footer {
    margin-top: 12px;
    padding: 6px 0;
    text-align: center;
}

.footer-content {
    color: var(--text-secondary);
    font-size: 0.75rem;
}

.footer-content p {
    margin: 0;
}


.footer-content strong {
    color: var(--text-color);
}

.footer-content a {
    color: var(--primary-text-color);
    text-decoration: none;
    transition: opacity 0.2s;
}

.footer-content a:hover {
    opacity: 0.8;
    text-decoration: underline;
}

/* Command Palette */
#command-palette {
    position: fixed;
    inset: 0;
    z-index: 3000;
    display: flex;
    justify-content: center;
    padding-top: 15vh;
}

.cp-backdrop {
    position: absolute;
    inset: 0;
    background: rgba(0, 0, 0, 0.5);
    backdrop-filter: blur(2px);
}

.cp-dialog {
    position: relative;
    width: 520px;
    max-width: 90vw;
    max-height: 60vh;
    background: var(--card-bg);
    border: 1px solid var(--border-color);
    border-radius: 12px;
    box-shadow: 0 16px 48px var(--shadow-color);
    display: flex;
    flex-direction: column;
    overflow: hidden;
    align-self: flex-start;
}

.cp-input {
    width: 100%;
    padding: 14px 16px;
    border: none;
    border-bottom: 1px solid var(--border-color);
    background: transparent;
    color: var(--text-color);
    font-size: 1rem;
    outline: none;
    box-sizing: border-box;
}

.cp-input::placeholder {
    color: var(--text-secondary);
}

.cp-results {
    flex: 1;
    overflow-y: auto;
    padding: 4px 0;
}

.cp-group-header {
    font-size: 0.7rem;
    font-weight: 700;
    text-transform: uppercase;
    letter-spacing: 0.05em;
    color: var(--text-secondary);
    padding: 8px 16px 4px;
}

.cp-result {
    display: flex;
    align-items: center;
    gap: 8px;
    padding: 8px 16px;
    cursor: pointer;
    transition: background 0.1s;
    position: relative;
    z-index: 1;
}

.cp-result:hover {
    background: var(--bg-secondary);
}

.cp-result.cp-active {
    background: var(--primary-color);
    color: #fff;
}

.cp-result.cp-active .cp-detail {
    color: rgba(255, 255, 255, 0.7);
}

.cp-icon {
    flex-shrink: 0;
    width: 20px;
    text-align: center;
    font-size: 0.9rem;
}

.cp-name {
    flex: 1;
    min-width: 0;
    overflow: hidden;
    text-overflow: ellipsis;
    white-space: nowrap;
    font-size: 0.9rem;
}

.cp-detail {
    flex-shrink: 0;
    font-size: 0.75rem;
    color: var(--text-secondary);
}

.cp-loading,
.cp-empty {
    padding: 24px 16px;
    text-align: center;
    color: var(--text-secondary);
    font-size: 0.9rem;
}

.cp-footer {
    padding: 6px 16px;
    border-top: 1px solid var(--border-color);
    font-size: 0.7rem;
    color: var(--text-secondary);
    text-align: center;
}

@media (max-width: 900px) {
    .server-info {
        flex-wrap: wrap;
        gap: 4px;
    }
}

@media (max-width: 768px) {
    header {
        flex-direction: column;
        gap: 8px;
        text-align: center;
    }

    .container {
        padding: 12px;
    }
}

@media (max-width: 600px) {
    .tab-bar {
        flex-wrap: wrap;
    }

    .tab-btn {
        padding: 8px 12px;
        font-size: 0.9rem;
    }
}