#hid-webapp #wireless-section {
    max-width: none;
}

#hid-webapp .wireless-layout {
    display: grid;
    grid-template-columns: 18.75rem 1fr 1fr 1fr;
    grid-template-rows: 1fr auto;
    column-gap: 1rem;
    row-gap: 0.75rem;
    align-items: end;
}

#hid-webapp .wireless-plot-wrap {
    display: flex;
    flex-direction: column;
    grid-column: 1;
    grid-row: 1 / 3;
    align-self: start;
}

#hid-webapp .channel-scan-plot-wrap {
    display: flex;
    flex-direction: column;
    grid-column: 1 / 5;
    grid-row: 4;
    align-self: start;
    /* A margin rather than a row gap, so the stat cards above stay close together. */
    margin-top: 1.5rem;
}

#hid-webapp .channel-scan-header {
    display: flex;
    align-items: center;
    gap: 0.6rem;
    margin-bottom: 4px;
}

#hid-webapp .channel-scan-title {
    font-family: Orbitron, sans-serif;
    font-weight: 700;
    font-size: 0.78em;
    color: var(--accent-color);
    letter-spacing: 0.03em;
}

#hid-webapp .channel-scan-warning {
    position: relative;
    display: inline-flex;
    align-items: center;
    cursor: default;
    font-size: 1em;
    color: #f59e0b;
    line-height: 1;
}

#hid-webapp .channel-scan-warning-tooltip {
    visibility: hidden;
    opacity: 0;
    pointer-events: none;
    position: absolute;
    left: 50%;
    bottom: calc(100% + 6px);
    transform: translateX(-50%);
    background: #1f2937;
    color: #f3f4f6;
    font-size: 0.78rem;
    font-family: sans-serif;
    font-weight: 400;
    white-space: nowrap;
    padding: 0.3125rem 0.5625rem;
    border-radius: 0.375rem;
    box-shadow: 0 2px 8px rgba(0, 0, 0, 0.25);
    transition: opacity 0.15s ease;
    z-index: 100;
}

#hid-webapp .channel-scan-warning-tooltip::after {
    content: "";
    position: absolute;
    top: 100%;
    left: 50%;
    transform: translateX(-50%);
    border: 0.3125rem solid transparent;
    border-top-color: #1f2937;
}

#hid-webapp .channel-scan-warning:hover .channel-scan-warning-tooltip {
    visibility: visible;
    opacity: 1;
}

#hid-webapp .rssi-chart {
    width: 100%;
    border-radius: 0.625rem;
    border: 1px solid rgba(128, 128, 128, 0.2);
    background: rgba(128, 128, 128, 0.04);
    display: block;
}

#hid-webapp .hud-group-current {
    grid-column: 2;
    grid-row: 1;
    align-self: end;
}

#hid-webapp .hud-group-recent {
    grid-column: 2;
    grid-row: 2;
}

#hid-webapp .hud-group-prev {
    grid-column: 3;
    grid-row: 2;
}

#hid-webapp .hud-group-hour {
    grid-column: 4;
    grid-row: 2;
}

#hid-webapp .hud-group {
    border: 1px solid rgba(128, 128, 128, 0.2);
    border-radius: 0.625rem;
    overflow: hidden;
}

#hid-webapp .hud-group-title {
    font-family: "Orbitron", sans-serif;
    font-size: 0.7rem;
    letter-spacing: 0.08em;
    color: var(--accent-color);
    padding: 0.5rem 1rem;
    background: rgba(128, 128, 128, 0.07);
    border-bottom: 1px solid rgba(128, 128, 128, 0.15);
}

#hid-webapp .wireless-stat-row {
    display: grid;
    grid-template-columns: 1fr auto auto;
    align-items: center;
    padding: 0.45rem 1rem;
    gap: 0.5rem;
    border-bottom: 1px solid rgba(128, 128, 128, 0.08);
}

#hid-webapp .wireless-stat-row:last-child {
    border-bottom: none;
}

#hid-webapp .wireless-stat-label {
    font-size: 0.82rem;
    opacity: 0.75;
}

#hid-webapp .wireless-stat-value {
    font-size: 0.85rem;
    color: var(--accent-color);
    text-align: right;
}

#hid-webapp .wireless-stat-unit {
    font-size: 0.72rem;
    opacity: 0.5;
    min-width: 2rem;
}

#hid-webapp .wireless-signal-cell {
    grid-column: 3;
    grid-row: 1;
    align-self: end;
    display: flex;
    align-items: center;
    justify-content: center;
    border: 1px solid rgba(128, 128, 128, 0.2);
    border-radius: 0.625rem;
    box-sizing: border-box;
}

#hid-webapp .wifi-signal {
    width: 4rem;
    height: 4rem;
    flex-shrink: 0;
}

#hid-webapp .wifi-signal circle,
#hid-webapp .wifi-signal path {
    transition:
        fill 0.3s,
        stroke 0.3s;
}

#hid-webapp .wifi-signal circle.active {
    fill: var(--accent-color);
}

#hid-webapp .wifi-signal path.active {
    stroke: var(--accent-color);
}

#hid-webapp .control-wireless-channel {
    grid-column: 4;
    grid-row: 1;
    align-self: end;
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 0.5rem;
    border: 1px solid rgba(128, 128, 128, 0.2);
    border-radius: 0.625rem;
    padding: 0.5rem 0.75rem;
    box-sizing: border-box;
    opacity: 0;
    pointer-events: none;
}

#hid-webapp .control-wireless-channel.show {
    opacity: 1;
    pointer-events: auto;
}

#hid-webapp .wl-channel-label {
    font-family: Orbitron, sans-serif;
    font-size: 0.78em;
    font-weight: 700;
    color: var(--accent-color);
    letter-spacing: 0.03em;
    line-height: 1.3;
    flex: 0 0 auto;
}

#hid-webapp .wl-channel-value {
    font-size: 1.1em;
    font-weight: 700;
    color: var(--accent-color);
    min-width: 2ch;
    text-align: center;
    flex: 1 1 auto;
}

#hid-webapp .wl-channel-change-btn {
    font-size: 0.78em;
    font-weight: 600;
    padding: 0.3rem 0.6rem;
    border-radius: 0.375rem;
    border: 1px solid var(--accent-color);
    background: transparent;
    color: var(--accent-color);
    cursor: pointer;
    flex: 0 0 auto;
    transition:
        background 0.15s,
        color 0.15s;
}

#hid-webapp .wl-channel-change-btn:hover {
    background: var(--accent-color);
    color: #fff;
}