:root {
    --bg: #050813;
    --panel: #0f1a31;
    --panel-border: #3f5e97;
    --text: #e9f1ff;
    --muted: #9bb0d9;
    --accent: #6af1d0;
    --accent-2: #ff96cf;
    --warn: #ffb35f;
}

* {
    box-sizing: border-box;
}

body {
    margin: 0;
    min-height: 100vh;
    color: var(--text);
    font-family: "Trebuchet MS", "Segoe UI", sans-serif;
    background:
        radial-gradient(circle at 12% 9%, rgba(106, 241, 208, 0.15), transparent 34%),
        radial-gradient(circle at 88% 4%, rgba(255, 150, 207, 0.16), transparent 35%),
        linear-gradient(180deg, #050813 0%, #0d1730 100%);
}

.app {
    max-width: 1120px;
    margin: 0 auto;
    padding: 1.3rem 1rem 2rem;
}

.back-link {
    color: var(--accent);
    text-decoration: none;
    font-weight: 700;
}

.back-link:hover {
    text-decoration: underline;
}

.hero {
    margin: 0.9rem 0 1.2rem;
}

.kicker {
    margin: 0;
    color: var(--accent);
    text-transform: uppercase;
    letter-spacing: 0.08em;
    font-size: 0.76rem;
}

h1 {
    margin: 0.35rem 0 0.45rem;
    font-size: clamp(1.8rem, 3.5vw, 2.7rem);
}

.subtitle {
    margin: 0;
    color: var(--muted);
    max-width: 70ch;
}

.layout {
    display: grid;
    grid-template-columns: minmax(250px, 300px) minmax(340px, 1fr);
    gap: 1rem;
    align-items: start;
}

.panel {
    background: linear-gradient(180deg, rgba(16, 26, 48, 0.98), rgba(10, 17, 34, 0.98));
    border: 1px solid var(--panel-border);
    border-radius: 14px;
    box-shadow: 0 18px 34px rgba(0, 0, 0, 0.35);
    padding: 0.92rem;
}

.panel h2 {
    margin: 0 0 0.72rem;
    font-size: 1rem;
}

.controls {
    display: grid;
    gap: 0.9rem;
}

.helper {
    margin: 0;
    color: var(--muted);
    font-size: 0.83rem;
    line-height: 1.36;
}

.actions {
    display: grid;
    gap: 0.45rem;
}

button {
    border: 1px solid #6884c2;
    border-radius: 10px;
    padding: 0.62rem 0.7rem;
    font-size: 0.84rem;
    font-weight: 700;
    color: var(--text);
    background: linear-gradient(180deg, #36589f, #283f76);
    cursor: pointer;
}

button:hover {
    transform: translateY(-1px);
}

button.accent {
    color: #051710;
    border-color: #9cffe8;
    background: linear-gradient(180deg, #58ebc8, #2eac8d);
}

.stats {
    display: grid;
    gap: 0.45rem;
}

.stats > div {
    display: flex;
    justify-content: space-between;
    align-items: center;
    border: 1px solid rgba(109, 133, 203, 0.56);
    border-radius: 9px;
    background: rgba(19, 30, 58, 0.74);
    padding: 0.42rem 0.55rem;
}

.stats span {
    color: var(--muted);
    font-size: 0.72rem;
    text-transform: uppercase;
    letter-spacing: 0.05em;
}

.status {
    margin: 0;
    border: 1px solid rgba(106, 241, 208, 0.45);
    border-radius: 9px;
    background: rgba(8, 15, 31, 0.84);
    color: #cce4ff;
    font-size: 0.82rem;
    line-height: 1.36;
    padding: 0.58rem;
}

.status.alert {
    border-color: rgba(255, 126, 171, 0.72);
    color: #ffdce9;
}

.status.ok {
    border-color: rgba(139, 255, 132, 0.72);
    color: #dcffd8;
}

.track-panel {
    display: grid;
    gap: 0.7rem;
}

canvas {
    width: 100%;
    max-width: 640px;
    border-radius: 12px;
    border: 1px solid rgba(119, 145, 219, 0.65);
    background: #04070f;
    image-rendering: pixelated;
}

.touch-controls {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 0.55rem;
}

.touch-btn {
    font-size: 0.79rem;
    padding: 0.54rem 0.5rem;
    background: linear-gradient(180deg, #2f4a88, #223564);
}

.touch-btn:active {
    transform: translateY(0);
    background: linear-gradient(180deg, #4468bd, #2e4888);
}

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

    canvas {
        max-width: 100%;
    }
}