:root {
    --bg: #06060d;
    --panel: #101633;
    --line: #465ca0;
    --text: #eaf2ff;
    --muted: #9fb2e6;
    --cyan: #60ebff;
    --magenta: #ff71c4;
    --amber: #ffd56a;
    --good: #86ffbd;
    --bad: #ff7f99;
}

* {
    box-sizing: border-box;
}

body {
    margin: 0;
    min-height: 100vh;
    padding: 1rem;
    display: flex;
    justify-content: center;
    color: var(--text);
    font-family: "Inter", "Segoe UI", system-ui, sans-serif;
    background:
        radial-gradient(circle at 11% 10%, rgba(96, 235, 255, 0.2), transparent 38%),
        radial-gradient(circle at 84% 12%, rgba(255, 113, 196, 0.2), transparent 42%),
        linear-gradient(168deg, #05070e 0%, #0a1230 52%, #06060d 100%);
}

.app {
    width: min(1020px, 100%);
    display: grid;
    gap: 0.85rem;
}

.panel {
    border: 1px solid var(--line);
    border-radius: 14px;
    background: linear-gradient(180deg, rgba(17, 26, 54, 0.97), rgba(8, 12, 24, 0.95));
    box-shadow: 0 14px 34px rgba(0, 0, 0, 0.38);
}

.topbar {
    padding: 0.95rem 1rem;
}

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

h1 {
    margin: 0.52rem 0 0.32rem;
    font-size: clamp(1.48rem, 3.4vw, 2.14rem);
}

.topbar p {
    margin: 0;
    color: var(--muted);
}

.stats {
    padding: 0.76rem;
    display: grid;
    grid-template-columns: repeat(6, minmax(0, 1fr));
    gap: 0.5rem;
}

.stats > div {
    border: 1px solid #4f67ad;
    border-radius: 10px;
    background: rgba(19, 31, 68, 0.73);
    padding: 0.44rem 0.58rem;
}

.k {
    display: block;
    color: var(--muted);
    font-size: 0.71rem;
    text-transform: uppercase;
    letter-spacing: 0.08em;
}

.stats strong {
    font-size: 1.03rem;
}

.stage {
    padding: 0.78rem;
    display: grid;
    gap: 0.56rem;
}

#table {
    width: 100%;
    border: 1px solid #526ab0;
    border-radius: 12px;
    background: linear-gradient(180deg, #0f2339, #0a192a 70%, #081220);
    touch-action: none;
}

.hint {
    margin: 0;
    color: var(--muted);
    font-size: 0.88rem;
}

.controls {
    padding: 0.78rem;
    display: grid;
    gap: 0.65rem;
}

.buttons {
    display: flex;
    flex-wrap: wrap;
    gap: 0.48rem;
}

button {
    border: 1px solid #5c76c7;
    border-radius: 10px;
    background: #1b316a;
    color: var(--text);
    font-weight: 700;
    padding: 0.56rem 0.8rem;
    cursor: pointer;
}

button:hover {
    border-color: #9de0ff;
}

.primary {
    background: linear-gradient(180deg, #13c8ff, #126de0);
    border-color: #7ce3ff;
}

.message {
    margin: 0;
    border: 1px solid #4f64a6;
    border-radius: 10px;
    min-height: 2.4rem;
    padding: 0.52rem 0.62rem;
    background: rgba(16, 25, 58, 0.72);
    color: #d9e5ff;
}

.message.good { color: var(--good); }
.message.warn { color: var(--amber); }
.message.bad { color: var(--bad); }

@media (max-width: 880px) {
    .stats {
        grid-template-columns: repeat(3, minmax(0, 1fr));
    }
}

@media (max-width: 520px) {
    .stats {
        grid-template-columns: repeat(2, minmax(0, 1fr));
    }
}