* {
    padding: 0;
    margin: 0;
    box-sizing: border-box;
}

body {
    background-color: #4B8F8C;
    display: flex;
    justify-content: center;
    align-items: center;
    flex-direction: column;
    min-height: 100vh;
    padding: 1rem;
}

h2 {
    font-size: clamp(1.6rem, 6vmin, 3rem);
    color: #452103;
    margin-bottom: 0.75rem;
    text-align: center;
}

.container {
    display: flex;
    flex-direction: column;
    justify-content: center;
    align-items: center;
    gap: 1rem;
    width: 100%;
}

/* ── Game Grid ──────────────────────────────── */
.game {
    height: clamp(270px, 65vmin, 500px);
    width:  clamp(270px, 65vmin, 500px);
    gap: clamp(6px, 1.8vmin, 14px);
    flex-wrap: wrap;
    display: flex;
    justify-content: center;
    align-items: center;
    position: relative;
}

.box {
    height: clamp(82px, 20vmin, 152px);
    width:  clamp(82px, 20vmin, 152px);
    background-color: #fefae0;
    border-radius: 1rem;
    box-shadow: 0 0 1rem rgba(0,0,0,0.1);
    color: #834951;
    border: none;
    font-size: clamp(1.8rem, 7vmin, 3.5rem);
    transition: all 0.25s ease;
    cursor: pointer;
}

.box:hover {
    background-color: #ffffff;
    transform: translateY(-4px) scale(1.05);
    box-shadow: 0 10px 20px rgba(0, 0, 0, 0.2);
}

.box:active {
    transform: scale(0.95);
}

.box:disabled {
    cursor: not-allowed;
    background-color: #f0f0f0;
    color: #444;
    transform: none;
    box-shadow: none;
}

.box.winner {
    background-color: #f6c90e;
    color: #1a1a1a;
    box-shadow: 0 0 18px 4px rgba(246, 201, 14, 0.75);
    transform: scale(1.08);
    transition: background-color 0.3s ease, box-shadow 0.3s ease, transform 0.3s ease;
}

/* ── Win / Draw Message ─────────────────────── */
.msg-container {
    display: flex;
    flex-direction: row;
    justify-content: center;
    align-items: center;
    gap: 1rem;
    background: rgba(0, 0, 0, 0.25);
    backdrop-filter: blur(6px);
    border-radius: 1rem;
    padding: 0.75rem 1.5rem;
    width: clamp(270px, 65vmin, 500px);
    flex-wrap: wrap;
}

#msg {
    color: #ffffc7;
    font-size: clamp(0.9rem, 3vmin, 1.4rem);
    font-weight: 600;
    text-align: center;
}

/* ── Buttons ────────────────────────────────── */
#newBtn,
#reset-Btn {
    padding: 0.6rem 1.2rem;
    background-color: #050404;
    color: #EAEAEA;
    border-radius: 0.75rem;
    border: none;
    font-size: clamp(0.8rem, 2.5vmin, 1rem);
    cursor: pointer;
    transition: background 0.2s ease, transform 0.15s ease;
    white-space: nowrap;
}

#newBtn:hover,
#reset-Btn:hover {
    background-color: #2a2a2a;
    transform: translateY(-2px);
}

#reset-Btn {
    margin-top: 0.25rem;
}

/* ── SVG Win Line ───────────────────────────── */
.win-line {
    position: absolute;
    top: 0;
    left: 0;
    pointer-events: none;
    overflow: visible;
}

.win-line line {
    stroke: #f6c90e;
    stroke-width: 6px;
    stroke-linecap: round;
    filter: drop-shadow(0 0 6px rgba(246, 201, 14, 0.9));
    transition: stroke-dashoffset 0.5s ease;
}

/* ── Utility ────────────────────────────────── */
.hide {
    display: none !important;
}

/* ── Mobile ─────────────────────────────────── */
@media (max-width: 480px) {
    h2 {
        margin-bottom: 0.5rem;
    }

    .msg-container {
        flex-direction: column;
        gap: 0.5rem;
        padding: 0.6rem 1rem;
    }
}