:root {
    color-scheme: dark;
    --bg: #070a12;
    --panel: #0f1522;
    --panel-strong: #141d30;
    --accent: #64f0ff;
    --accent-soft: rgba(100, 240, 255, 0.2);
    --glow: rgba(100, 240, 255, 0.4);
    --text: #dfe7ff;
    --muted: #90a0c4;
    --warn: #ffd166;
    --ok: #6bff6b;
    font-size: 16px;
}

* {
    box-sizing: border-box;
}

body {
    margin: 0;
    font-family: "Courier New", "Lucida Console", monospace;
    background: radial-gradient(circle at top, #141b2f, #05070d 55%);
    color: var(--text);
    min-height: 100vh;
}

.shell {
    max-width: 1100px;
    margin: 0 auto;
    padding: 32px 24px 48px;
    display: flex;
    flex-direction: column;
    gap: 24px;
}

.hero {
    display: flex;
    flex-direction: column;
    gap: 10px;
}

.back {
    color: var(--accent);
    text-decoration: none;
    font-size: 0.95rem;
}

.badge {
    display: inline-flex;
    align-self: flex-start;
    padding: 4px 10px;
    border: 1px solid var(--accent-soft);
    border-radius: 999px;
    font-size: 0.75rem;
    text-transform: uppercase;
    letter-spacing: 0.12em;
    color: var(--accent);
}

.subtitle {
    color: var(--muted);
    max-width: 520px;
}

.deck {
    display: grid;
    grid-template-columns: minmax(0, 1.2fr) minmax(0, 0.8fr);
    gap: 24px;
}

.monitor {
    background: linear-gradient(180deg, rgba(20, 30, 55, 0.9), rgba(8, 12, 22, 0.9));
    border: 1px solid rgba(100, 240, 255, 0.2);
    border-radius: 20px;
    padding: 20px;
    box-shadow: 0 0 40px rgba(9, 26, 51, 0.8);
}

.scope-frame {
    position: relative;
    background: #04070f;
    border-radius: 14px;
    border: 2px solid rgba(100, 240, 255, 0.3);
    padding: 10px;
}

#scope {
    width: 100%;
    height: auto;
    display: block;
    background: radial-gradient(circle at 50% 30%, rgba(40, 60, 90, 0.35), transparent 60%);
}

.scanlines {
    pointer-events: none;
    position: absolute;
    inset: 0;
    background: repeating-linear-gradient(
        to bottom,
        rgba(10, 20, 40, 0.2) 0px,
        rgba(10, 20, 40, 0.2) 2px,
        rgba(10, 20, 40, 0) 3px,
        rgba(10, 20, 40, 0) 6px
    );
    mix-blend-mode: screen;
    opacity: 0.45;
}

.monitor-meta {
    margin-top: 18px;
    display: grid;
    gap: 14px;
}

.status {
    font-size: 0.95rem;
    color: var(--warn);
}

.lock {
    display: grid;
    gap: 6px;
    font-size: 0.85rem;
    text-transform: uppercase;
    letter-spacing: 0.1em;
    color: var(--muted);
}

.meter {
    height: 10px;
    border-radius: 999px;
    background: rgba(100, 240, 255, 0.08);
    overflow: hidden;
    border: 1px solid rgba(100, 240, 255, 0.2);
}

.meter-fill {
    height: 100%;
    width: 10%;
    background: linear-gradient(90deg, rgba(255, 209, 102, 0.6), rgba(107, 255, 107, 0.9));
    box-shadow: 0 0 12px rgba(107, 255, 107, 0.6);
    transition: width 0.2s ease;
}

.decoded {
    background: rgba(10, 18, 33, 0.75);
    padding: 12px 14px;
    border-radius: 12px;
    border: 1px solid rgba(100, 240, 255, 0.15);
}

.decoded-label {
    font-size: 0.7rem;
    text-transform: uppercase;
    letter-spacing: 0.2em;
    color: var(--muted);
}

.decoded-text {
    margin-top: 6px;
    font-size: 1.05rem;
    letter-spacing: 0.08em;
    color: var(--accent);
}

.controls {
    background: var(--panel);
    border: 1px solid rgba(100, 240, 255, 0.15);
    border-radius: 20px;
    padding: 20px;
    display: grid;
    gap: 18px;
}

.field {
    display: grid;
    gap: 8px;
}

label {
    font-size: 0.85rem;
    color: var(--muted);
}

input[type="range"] {
    width: 100%;
    accent-color: var(--accent);
}

.toggles,
.actions {
    display: flex;
    gap: 10px;
    flex-wrap: wrap;
}

.btn,
.chip {
    border-radius: 999px;
    border: 1px solid rgba(100, 240, 255, 0.35);
    background: rgba(10, 16, 30, 0.8);
    color: var(--text);
    padding: 8px 16px;
    font-size: 0.85rem;
    cursor: pointer;
    transition: transform 0.2s ease, box-shadow 0.2s ease;
}

.btn:hover,
.chip:hover {
    transform: translateY(-1px);
    box-shadow: 0 0 12px rgba(100, 240, 255, 0.2);
}

.ghost {
    background: transparent;
    color: var(--accent);
}

.tips {
    border-top: 1px dashed rgba(100, 240, 255, 0.2);
    padding-top: 12px;
    font-size: 0.85rem;
    color: var(--muted);
}

.tips ul {
    padding-left: 18px;
    margin: 6px 0 0;
    display: grid;
    gap: 6px;
}

.footer {
    font-size: 0.85rem;
    color: var(--muted);
    text-align: center;
}

@media (max-width: 960px) {
    .deck {
        grid-template-columns: 1fr;
    }
}