.banner-container {
    width: 100%;
    max-width: 1920px;
    height: 120px;
    background: #1c2521;
    display: flex;
    justify-content: center;
    align-items: center;
    border-bottom: 2px solid #4caf50;
    box-shadow: inset 0 0 12px #0f0f0f;
    font-family: 'Courier New', Courier, monospace;
    color: #cce8cc;
    user-select: none;
    padding: 10px 20px;
    box-sizing: border-box;
}

.banner-content {
    display: flex;
    align-items: center;
    justify-content: flex-start;
    gap: 16px;
    padding: 0 16px;
}

.antenna-icon {
    font-size: 2.5rem;
    animation: antennaWave 2.2s infinite alternate ease-in-out;
}

@keyframes antennaWave {
    0% {
        transform: rotate(0deg);
    }

    100% {
        transform: rotate(16deg);
    }
}

.logo {
    font-size: 2.2rem;
    font-weight: bold;
    letter-spacing: 3px;
    color: #ffffff;
    text-shadow:
        0 0 4px #aaa,
        0 0 10px #0f0;
    margin: 0;
}

.tagline {
    font-size: 0.95rem;
    font-weight: 600;
    letter-spacing: 1px;
    color: #b2cbb2;
    margin: 0;
    margin-top: 4px;
}

.text-group {
    display: flex;
    flex-direction: column;
    justify-content: center;
    align-items: flex-start;
}

header {
    position: sticky;
    top: 0;
    z-index: 9999;
    background-color: #007acc;
    box-shadow: 0 2px 5px rgba(0, 0, 0, 0.2);
}

header nav ul {
    list-style: none;
    padding: 0;
    margin: 0;
    display: flex;
    justify-content: center;
    background: #000;
    position: relative;
    overflow: hidden;
    border-bottom: 2px solid #0f0;
    font-family: 'Courier New', Courier, monospace;
}

header nav ul::before {
    content: "";
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: repeating-linear-gradient(to bottom,
            rgba(0, 255, 0, 0.15) 0,
            rgba(0, 255, 0, 0.15) 1px,
            transparent 2px,
            transparent 3px);
    pointer-events: none;
    z-index: 1;
}

header nav ul li {
    margin: 0;
    position: relative;
    z-index: 2;
}

header nav ul li a {
    color: #0f0;
    font-weight: 700;
    padding: 12px 18px;
    display: block;
    text-decoration: none;
    position: relative;
    transition: color 0.3s ease, background-color 0.3s ease;
    text-shadow: 0 0 10px #0f0;
}

header nav ul li a:hover,
header nav ul li a:focus {
    color: #fff;
    border-color: #fff;
    text-shadow: 0 0 15px #0f0, 0 0 30px #0f0;
    outline: none;
    background-color: transparent;
    box-shadow: none;
}

header nav ul li a.active {
    color: #fff;
    font-weight: 900;
    border-color: #fff;
    text-shadow: 0 0 15px #0f0, 0 0 30px #0f0;
    background-color: transparent;
    box-shadow: none;
}

header nav ul li a::after {
    content: "";
    position: absolute;
    bottom: 5px;
    left: 10%;
    width: 80%;
    height: 2px;
    background-color: transparent;
    opacity: 0;
    animation: none;
}

.nav-right-items-container {
    margin-left: auto;
    display: flex;
    flex-direction: column;
    gap: 6px;
    color: #0f0;
    font-family: 'Courier New', Courier, monospace;
    font-weight: 700;
    font-size: 14px;
    user-select: none;
    cursor: default;
}

#txrx-status,
#s-meter {
    display: flex;
    align-items: center;
    gap: 8px;
}

.status-indicator {
    width: 12px;
    height: 12px;
    border-radius: 50%;
    background-color: #0f0;
    display: inline-block;
    transition: background-color 0.2s ease;
}

.status-indicator.rx {
    background-color: red;
}

.cq-blink {
    color: #0f0;
    font-weight: 900;
    animation: cqBlink 1.5s infinite;
}

@keyframes cqBlink {

    0%,
    50% {
        opacity: 1;
    }

    51%,
    100% {
        opacity: 0;
    }
}

.separator {
    color: #0f0;
}

#s-meter {
    color: #0f0;
    font-family: 'Courier New', Courier, monospace;
    font-weight: 700;
    font-size: 14px;
    user-select: none;
    gap: 8px;
    align-items: center;
    display: flex;
}

.s-meter-label {
    white-space: nowrap;
}

.s-meter-bar {
    position: relative;
    width: 80px;
    height: 12px;
    background-color: #003300;
    border: 1px solid #0f0;
    border-radius: 3px;
    overflow: hidden;
    box-shadow: 0 0 6px #0f0 inset;
}

.s-meter-level {
    height: 100%;
    width: 70%;
    background: linear-gradient(90deg, #0f0 0%, #b2ffb2 50%, #0f0 100%);
    box-shadow: 0 0 8px #0f0;
    transition: width 0.3s ease;
    border-radius: 2px;
}

.s-meter-value {
    white-space: nowrap;
    font-variant-numeric: tabular-nums;
    text-shadow: 0 0 8px #0f0;
}