:root {
    --bg-color: #1a2a33;
    --card-bg: #1f3641;
    --text-color: #a8bec9;
    --text-hover: #dbe8ed;

    --color-x: #31c3bd;
    --color-x-shadow: #118c87;
    --color-o: #f2b137;
    --color-o-shadow: #cc8b13;

    --shadow-y: 6px;

    --header-height: 80px;
    --border-radius: 15px;
}

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

body {
    font-family: 'Outfit', sans-serif;
    background-color: var(--bg-color);
    color: var(--text-color);
    display: flex;
    justify-content: center;
    align-items: center;
    min-height: 100vh;
}

.container {
    width: 100%;
    max-width: 480px;
    padding: 24px;
    display: flex;
    flex-direction: column;
    gap: 20px;
}

/* Header */
.game-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 20px;
}

.logo {
    display: flex;
    gap: 8px;
    font-weight: 700;
    font-size: 2rem;
}

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

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

.turn-indicator {
    background-color: var(--card-bg);
    padding: 10px 20px;
    border-radius: 10px;
    box-shadow: 0 4px 0 #10212a;
    text-transform: uppercase;
    font-weight: 700;
    font-size: 0.9rem;
    display: flex;
    align-items: center;
    gap: 8px;
    color: var(--text-color);
}

.turn-icon {
    font-size: 1.2rem;
}

.btn-reset {
    background-color: #a8bec9;
    border: none;
    width: 44px;
    height: 44px;
    border-radius: 10px;
    box-shadow: 0 4px 0 #7c919c;
    cursor: pointer;
    display: flex;
    align-items: center;
    justify-content: center;
    transition: transform 0.1s;
}

.btn-reset:active {
    transform: translateY(2px);
    box-shadow: 0 2px 0 #7c919c;
}

.btn-reset svg {
    fill: #1a2a33;
}

/* Mode Selector */
.mode-selector {
    display: flex;
    background-color: var(--card-bg);
    padding: 5px;
    border-radius: 10px;
    gap: 5px;
    box-shadow: 0 4px 0 #10212a;
}

.mode-btn {
    background: none;
    border: none;
    color: var(--text-color);
    padding: 8px 12px;
    font-family: inherit;
    font-weight: 700;
    font-size: 0.8rem;
    border-radius: 6px;
    cursor: pointer;
    transition: all 0.2s;
}

.mode-btn:hover {
    background-color: rgba(255, 255, 255, 0.05);
}

.mode-btn.active {
    background-color: #a8bec9;
    color: #1a2a33;
}

/* Game Board */
.game-board {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 20px;
    margin-bottom: 20px;
}

.cell {
    background-color: var(--card-bg);
    border-radius: var(--border-radius);
    height: 140px;
    /* Square-ish */
    box-shadow: 0 var(--shadow-y) 0 #10212a;
    cursor: pointer;
    display: flex;
    justify-content: center;
    align-items: center;
    font-size: 4rem;
    font-weight: 700;
    transition: all 0.2s;
}

.cell:hover {
    background-color: #263f4b;
    /* Slightly lighter */
}

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

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

/* Winner Highlight */
.cell.win-x {
    background-color: var(--color-x);
    color: var(--card-bg);
    /* Contrast */
    box-shadow: 0 var(--shadow-y) 0 var(--color-x-shadow);
}

.cell.win-o {
    background-color: var(--color-o);
    color: var(--card-bg);
    box-shadow: 0 var(--shadow-y) 0 var(--color-o-shadow);
}

/* Stats */
.game-stats {
    display: grid;
    grid-template-columns: 1fr 1fr 1fr;
    gap: 20px;
}

.stat-box {
    background-color: var(--card-bg);
    border-radius: var(--border-radius);
    padding: 12px;
    text-align: center;
    display: flex;
    flex-direction: column;
    justify-content: center;
}

.stat-label {
    font-size: 0.8rem;
    font-weight: 500;
}

.stat-value {
    font-size: 1.5rem;
    font-weight: 700;
}

.stat-box.player-x {
    background-color: var(--color-x);
    color: #1a2a33;
}

.stat-box.player-o {
    background-color: var(--color-o);
    color: #1a2a33;
}

.stat-box.ties {
    background-color: #a8bec9;
    color: #1a2a33;
}

/* Modal */
.modal-overlay {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background-color: rgba(0, 0, 0, 0.5);
    display: none;
    /* Hidden by default */
    justify-content: center;
    align-items: center;
    z-index: 100;
}

.modal-content {
    background-color: #1f3641;
    width: 100%;
    padding: 40px 20px;
    text-align: center;
    box-shadow: 0 4px 15px rgba(0, 0, 0, 0.3);
}

.modal-overlay.active {
    display: flex;
    animation: fadeIn 0.3s ease-out;
}

@keyframes fadeIn {
    from {
        opacity: 0;
    }

    to {
        opacity: 1;
    }
}

#modal-message {
    text-transform: uppercase;
    font-size: 1rem;
    letter-spacing: 1px;
    margin-bottom: 16px;
    color: var(--text-color);
}

.modal-icon {
    font-size: 4rem;
    font-weight: 700;
    margin: 10px 0 24px;
    display: flex;
    justify-content: center;
    align-items: center;
    gap: 16px;
}

.modal-icon .x-win {
    color: var(--color-x);
}

.modal-icon .o-win {
    color: var(--color-o);
}

.modal-actions {
    display: flex;
    justify-content: center;
    gap: 16px;
}

.btn-quit,
.btn-next-round {
    padding: 12px 20px;
    border-radius: 10px;
    border: none;
    font-weight: 700;
    cursor: pointer;
    text-transform: uppercase;
    box-shadow: 0 4px 0 rgba(0, 0, 0, 0.2);
}

.btn-quit {
    background-color: #a8bec9;
    color: #1a2a33;
    box-shadow: 0 4px 0 #7c919c;
}

.btn-next-round {
    background-color: var(--color-o);
    color: #1a2a33;
    box-shadow: 0 4px 0 var(--color-o-shadow);
}

.btn-quit:active,
.btn-next-round:active {
    transform: translateY(2px);
    box-shadow: 0 2px 0 rgba(0, 0, 0, 0.2);
}