/* Radial backdrop (icon mockup: lighter center, darker edges) */
html, body {
    background: radial-gradient(ellipse 120% 80% at 50% 0%, #151a28 0%, #0d1117 55%, #0a0d12 100%);
    min-height: 100vh;
}

.mqtt-appbar {
    background: radial-gradient(ellipse 100% 200% at 50% 0%, #151a28 0%, #12171e 100%) !important;
    border-bottom: 1px solid #21262d;
}

.mqtt-wordmark {
    letter-spacing: 0.04em;
}

.mqtt-search {
    max-width: 520px;
}

.mqtt-drawer {
    background: radial-gradient(ellipse 100% 120% at 0% 0%, #151a28 0%, #12171e 70%, #0d1117 100%) !important;
    border-right: 1px solid #21262d !important;
}

.mqtt-drawer-header {
    border-bottom: 1px solid #21262d;
    padding: 12px 16px;
}

.mqtt-drawer-brand {
    display: flex;
    align-items: center;
    justify-content: center;
    min-height: 48px;
}

.mqtt-drawer-brand img {
    height: 36px;
    width: auto;
    max-width: 100%;
    object-fit: contain;
    filter: drop-shadow(0 0 12px rgba(0, 229, 255, 0.15));
}

/* Context: broker scope (sidebar) */
.mqtt-broker-shell {
    padding: 12px 16px;
    border-bottom: 1px solid #21262d;
    background: linear-gradient(180deg, rgba(0, 229, 255, 0.06) 0%, transparent 100%);
}

.mqtt-broker-select.mud-select {
    width: 100%;
}

.mqtt-broker-shell .mud-input-outlined {
    border-radius: 10px;
}

.mqtt-broker-shell .mud-input-outlined:not(.mud-input-error) .mud-input-outlined-border {
    border-color: rgba(0, 229, 255, 0.35);
    box-shadow: 0 0 0 1px rgba(15, 241, 151, 0.08);
}

.mqtt-main {
    background: transparent;
    min-height: calc(100vh - 64px);
}

.mqtt-login-shell {
    background: radial-gradient(ellipse 120% 80% at 50% 0%, #151a28 0%, #0d1117 55%, #0a0d12 100%);
    min-height: 100vh;
    display: flex;
    align-items: center;
    justify-content: center;
}

.mqtt-login-logo {
    display: flex;
    justify-content: center;
}

.mqtt-login-logo img {
    height: 100px;
    width: auto;
    object-fit: contain;
    filter: drop-shadow(0 0 16px rgba(0, 229, 255, 0.15));
}

.mqtt-appbar-icon {
    height: 28px;
    width: auto;
    margin-left: 8px;
    filter: drop-shadow(0 0 8px rgba(0, 229, 255, 0.12));
}

/* Cyan → green brand gradient (icon signal / wordmark) */
.mqtt-accent-gradient {
    background: linear-gradient(135deg, #00e5ff 0%, #0ff197 100%);
}

.mqtt-accent-gradient-text {
    background: linear-gradient(135deg, #00e5ff 0%, #0ff197 100%);
    -webkit-background-clip: text;
    background-clip: text;
    -webkit-text-fill-color: transparent;
    color: transparent;
}

.mqtt-nav .mud-nav-link.active {
    background: linear-gradient(90deg, rgba(0, 229, 255, 0.12), rgba(15, 241, 151, 0.08));
    border-radius: 10px;
}

.mqtt-nav-section-broker {
    border-left: 2px solid rgba(0, 229, 255, 0.35);
    margin-left: 8px;
    padding-left: 4px;
}

.mqtt-nav .mqtt-nav-link-disabled.mud-nav-link,
.mqtt-nav .mqtt-nav-link-disabled .mud-nav-link {
    opacity: 0.45;
    pointer-events: none;
}

.mqtt-muted {
    color: #8b949e !important;
}

.mqtt-stat-card {
    border-radius: 16px;
    border: 1px solid #21262d;
    position: relative;
    overflow: hidden;
    background: #161b22 !important;
}

.mqtt-stat-card::before {
    content: "";
    position: absolute;
    left: 0;
    top: 0;
    bottom: 0;
    width: 4px;
    border-radius: 16px 0 0 16px;
    background: linear-gradient(180deg, #00e5ff 0%, #0ff197 100%);
    opacity: 0.85;
}

.mqtt-stat-green::before {
    background: linear-gradient(180deg, #00e5ff 0%, #0ff197 100%);
}

.mqtt-stat-cyan::before {
    background: linear-gradient(180deg, #00e5ff 0%, #00a896 100%);
}

.mqtt-stat-green,
.mqtt-stat-cyan {
    background: #161b22 !important;
}

.mqtt-stat-value {
    color: #e6edf3 !important;
    font-weight: 700;
}

.mqtt-chart-card {
    background: #161b22 !important;
    border: 1px solid #21262d;
    border-radius: 16px;
}

.mqtt-broker-summary-card {
    border-radius: 16px;
    border: 1px solid #21262d;
    background: #161b22 !important;
    position: relative;
    overflow: hidden;
}

.mqtt-broker-summary-card::after {
    content: "";
    position: absolute;
    inset: 0;
    background: radial-gradient(ellipse 80% 60% at 100% 0%, rgba(0, 229, 255, 0.08), transparent 55%);
    pointer-events: none;
}

.mqtt-broker-card-selectable {
    cursor: pointer;
    transition: box-shadow 0.15s ease, border-color 0.15s ease, transform 0.12s ease;
}

.mqtt-broker-card-selectable:hover {
    border-color: rgba(0, 229, 255, 0.35);
    box-shadow: 0 6px 28px rgba(0, 0, 0, 0.35), 0 0 0 1px rgba(0, 229, 255, 0.12);
}

.mqtt-broker-card-selectable:active {
    transform: scale(0.992);
}

.mqtt-broker-card-selectable:focus-visible {
    outline: 2px solid rgba(15, 241, 151, 0.55);
    outline-offset: 3px;
}

.mqtt-topic-node {
    background: #161b22 !important;
    border-color: #21262d !important;
}

/* Blazor circuit reconnect: custom #components-reconnect-modal (UserSpecifiedDisplay) — dark theme + brand spinner */
#components-reconnect-modal.mqtt-reconnect-modal-root {
    position: fixed;
    inset: 0;
    z-index: 20000;
    display: none;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    font-family: Roboto, "Helvetica Neue", Helvetica, Arial, sans-serif;
}

#components-reconnect-modal.components-reconnect-show,
#components-reconnect-modal.components-reconnect-failed {
    display: flex;
}

#components-reconnect-modal.components-reconnect-hide {
    display: none !important;
}

.mqtt-reconnect-backdrop {
    position: absolute;
    inset: 0;
    background-color: rgba(13, 17, 23, 0.75);
    animation: mqtt-reconnect-fade-in 0.35s ease-out;
}

.mqtt-reconnect-dialog {
    position: relative;
    z-index: 1;
    width: min(22rem, calc(100vw - 2rem));
    margin: 0 1rem;
    padding: 1.75rem 1.5rem;
    border-radius: 12px;
    border: 1px solid #21262d;
    background: #161b22;
    box-shadow: 0 12px 40px rgba(0, 0, 0, 0.45);
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 1rem;
    text-align: center;
}

.mqtt-reconnect-primary {
    margin: 0;
    color: #e6edf3;
    font-size: 0.95rem;
    line-height: 1.45;
}

.mqtt-reconnect-meta {
    margin: 0;
    font-size: 0.8rem;
    color: #8b949e;
}

.mqtt-reconnect-spinner {
    display: block;
    position: relative;
    width: 80px;
    height: 80px;
}

.mqtt-reconnect-spinner div {
    position: absolute;
    border: 3px solid #00e5ff;
    opacity: 1;
    border-radius: 50%;
    animation: mqtt-reconnect-ripple 1.5s cubic-bezier(0, 0.2, 0.8, 1) infinite;
}

.mqtt-reconnect-spinner div:nth-child(2) {
    border-color: #0ff197;
    animation-delay: -0.5s;
}

#components-reconnect-modal.components-reconnect-failed .mqtt-reconnect-spinner,
#components-reconnect-modal.components-reconnect-failed .mqtt-reconnect-active-panel {
    display: none;
}

.mqtt-reconnect-failed-panel {
    display: none;
    flex-direction: column;
    align-items: center;
    gap: 1rem;
    width: 100%;
}

#components-reconnect-modal.components-reconnect-failed .mqtt-reconnect-failed-panel {
    display: flex;
}

.mqtt-reconnect-btn {
    border: 0;
    border-radius: 8px;
    padding: 0.5rem 1.5rem;
    cursor: pointer;
    font-size: 0.9rem;
    font-weight: 500;
    color: #0d1117;
    background: linear-gradient(135deg, #00e5ff 0%, #0ff197 100%);
}

.mqtt-reconnect-btn:hover {
    filter: brightness(1.08);
}

.mqtt-reconnect-btn:active {
    filter: brightness(0.95);
}

@keyframes mqtt-reconnect-fade-in {
    from {
        opacity: 0;
    }

    to {
        opacity: 1;
    }
}

@keyframes mqtt-reconnect-ripple {
    0% {
        top: 40px;
        left: 40px;
        width: 0;
        height: 0;
        opacity: 0;
    }

    4.9% {
        top: 40px;
        left: 40px;
        width: 0;
        height: 0;
        opacity: 0;
    }

    5% {
        top: 40px;
        left: 40px;
        width: 0;
        height: 0;
        opacity: 1;
    }

    100% {
        top: 0;
        left: 0;
        width: 80px;
        height: 80px;
        opacity: 0;
    }
}