body {
    margin: 0;
    background: #111;
    color: #eee;
    font-family: system-ui, sans-serif;
}

.split-app {
    max-width: 1200px;
    margin: 0 auto;
    padding: 2rem;
}

h1 {
    margin-bottom: 0;
    font-size: 3rem;
}

header p {
    margin-top: .25rem;
    color: #aaa;
}

.panel {
    background: #1b1b1b;
    border: 1px solid #333;
    border-radius: 14px;
    padding: 1rem;
    margin: 1rem 0;
}

.controls {
    display: flex;
    gap: 1rem;
    flex-wrap: wrap;
    align-items: end;
    margin-top: 1rem;
}

label {
    display: flex;
    flex-direction: column;
    gap: .35rem;
    color: #ccc;
}

button,
select,
input {
    font: inherit;
}

button {
    padding: .55rem .9rem;
    border-radius: 8px;
    border: 1px solid #555;
    background: #2b2b2b;
    color: #eee;
    cursor: pointer;
}

button:disabled {
    opacity: .4;
    cursor: not-allowed;
}

canvas {
    width: 100%;
    height: 380px;
    display: block;
    background: #080808;
    border-radius: 10px;
}

.region {
    display: grid;
    grid-template-columns: 80px 1fr auto auto;
    gap: .75rem;
    align-items: center;
    padding: .6rem 0;
    border-bottom: 1px solid #333;
}

.region:last-child {
    border-bottom: 0;
}

.region small {
    color: #aaa;
}

.status {
    width: 100%;
    color: #aaa;
    margin-top: .75rem;
}

.region {
    grid-template-columns: 80px 120px 110px 1fr 150px auto auto;
}

.region-warning {
    background: rgba(255, 180, 0, 0.12);
    border-radius: 8px;
    padding-left: .5rem;
    padding-right: .5rem;
}

.region input[type="text"] {
    width: 90px;
}

.use-sample {
    flex-direction: row;
    align-items: center;
}