@import url("https://fonts.googleapis.com/css2?family=Archivo+Black&family=DM+Sans:wght@400;500;700&display=swap");

:root {
    --bg-a: #14091f;
    --bg-b: #231033;
    --panel: rgba(30, 16, 44, 0.84);
    --line: #d6b6ff;
    --x-color: #ff7bcf;
    --o-color: #9f86ff;
    --text: #f2e9ff;
    --muted: #b9a0d8;
    --button: #6f42c1;
    --button-2: #4f2f89;
}

body {
    min-height: 90vh;
    margin: 0;
    background:
        radial-gradient(circle at 8% 20%, rgba(172, 120, 255, 0.33) 0%, transparent 36%),
        radial-gradient(circle at 88% 14%, rgba(111, 66, 193, 0.34) 0%, transparent 30%),
        linear-gradient(130deg, var(--bg-a), var(--bg-b));
    color: var(--text);
    font-family: "DM Sans", sans-serif;
    padding: 20px 14px;
}

.container {
    min-height: calc(100vh - 40px);
}

.ttt-shell {
    width: min(94vw, 370px);
    background: var(--panel);
    border: 2px solid rgba(214, 182, 255, 0.16);
    border-radius: 22px;
    box-shadow: 0 18px 40px rgba(8, 2, 15, 0.45);
    padding: 26px 22px;
}

h1 {
    margin: 0;
    font-family: "Archivo Black", sans-serif;
    font-size: clamp(2rem, 6vw, 2.7rem);
    letter-spacing: 0.5px;
    color: var(--line);
}

.subtitle {
    margin: 4px 0 18px;
    color: var(--muted);
    font-weight: 500;
}

.score-strip {
    display: grid;
    gap: 10px;
    grid-template-columns: repeat(3, 1fr);
    margin-bottom: 16px;
}

.score-pill {
    border-radius: 999px;
    padding: 8px 10px;
    font-weight: 700;
    color: var(--line);
    background: rgba(56, 33, 84, 0.7);
    border: 1px solid rgba(214, 182, 255, 0.2);
    font-size: 0.92rem;
}

.board {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 10px;
    width: 240px;
    margin: 0 auto;
}

.cell {
    aspect-ratio: 1;
    border: 2px solid rgba(214, 182, 255, 0.25);
    border-radius: 16px;
    background: rgba(39, 22, 58, 0.92);
    font-family: "Archivo Black", sans-serif;
    font-size: clamp(1.45rem, 5.2vw, 2rem);
    color: var(--line);
    cursor: pointer;
    transition: transform 0.15s ease, box-shadow 0.2s ease, background-color 0.2s ease;
}

.cell:hover:enabled {
    transform: translateY(-2px);
    box-shadow: 0 8px 14px rgba(8, 2, 15, 0.45);
    background: rgba(52, 30, 77, 0.98);
}

.cell:disabled {
    cursor: not-allowed;
}

.cell.x {
    color: var(--x-color);
}

.cell.o {
    color: var(--o-color);
}

.status {
    min-height: 24px;
    margin: 14px 0 0;
    font-size: 1.05rem;
    font-weight: 700;
    color: var(--line);
}

.controls {
    display: flex;
    gap: 10px;
    margin-top: 14px;
}

.btn {
    border: 1px solid rgba(214, 182, 255, 0.22);
    border-radius: 12px;
    padding: 10px 14px;
    font-family: "DM Sans", sans-serif;
    font-size: 0.95rem;
    font-weight: 700;
    color: #f5eeff;
    background: var(--button);
    cursor: pointer;
    transition: filter 0.15s ease, transform 0.15s ease;
}

.btn:hover {
    filter: brightness(1.03);
    transform: translateY(-1px);
}

.btn:active {
    transform: translateY(1px);
}

.btn.secondary {
    background: var(--button-2);
}

@media (max-width: 520px) {
    .ttt-shell {
        padding: 20px 14px;
    }

    .score-strip {
        grid-template-columns: 1fr;
    }

    .controls {
        flex-direction: column;
    }
}