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

body {
    background: #080b14;
    color: #ffffff;
    font-family: Arial, sans-serif;
    min-height: 100vh;
    display: flex;
    flex-direction: column;
}

.navbar {
    height: 80px;
    padding: 0 8%;
    display: flex;
    align-items: center;
    justify-content: space-between;
    border-bottom: 1px solid #202638;
}

.logo {
    font-size: 23px;
    font-weight: 900;
    letter-spacing: 2px;
}

.logo span {
    color: #6385ff;
}

.nav-status {
    color: #aeb8ca;
    font-size: 11px;
    letter-spacing: 1px;
}

.status-dot {
    display: inline-block;
    width: 8px;
    height: 8px;
    background: #35e6a0;
    border-radius: 50%;
    margin-right: 7px;
}

.container {
    flex: 1;
    width: 84%;
    max-width: 1200px;
    margin: auto;
    display: grid;
    grid-template-columns: 1fr 1fr;
    align-items: center;
    gap: 70px;
    padding: 70px 0;
}

.eyebrow {
    color: #7190ff;
    font-size: 12px;
    letter-spacing: 3px;
    font-weight: bold;
    margin-bottom: 25px;
}

.hero h1 {
    font-size: clamp(45px, 6vw, 76px);
    line-height: 1.05;
    font-weight: 900;
    letter-spacing: -3px;
}

.hero h1 span {
    color: #6385ff;
}

.description {
    color: #9ba6b9;
    line-height: 1.8;
    margin: 25px 0 35px;
    max-width: 400px;
}

.player-form {
    max-width: 380px;
}

.player-form label {
    display: block;
    font-size: 11px;
    letter-spacing: 2px;
    margin-bottom: 10px;
    color: #aeb8ca;
}

.player-form input {
    width: 100%;
    padding: 17px;
    background: #111827;
    border: 1px solid #29344a;
    border-radius: 7px;
    color: white;
    outline: none;
    margin-bottom: 15px;
}

.player-form input:focus {
    border-color: #6385ff;
}

.player-form button {
    width: 100%;
    padding: 17px;
    border: none;
    border-radius: 7px;
    background: #6385ff;
    color: white;
    font-weight: bold;
    letter-spacing: 1px;
    cursor: pointer;
}

.player-form button:hover {
    background: #4569ef;
}

.player-form button span {
    float: right;
}

#status-message {
    color: #8c99ad;
    font-size: 12px;
    margin-top: 15px;
}

.game-preview {
    background: #101625;
    border: 1px solid #273149;
    border-radius: 15px;
    padding: 28px;
    box-shadow: 0 20px 80px #0008;
}

.preview-header {
    display: flex;
    justify-content: space-between;
    font-size: 11px;
    letter-spacing: 2px;
    color: #aeb8ca;
}

.live-badge {
    color: #35e6a0;
}

.scoreboard {
    display: flex;
    justify-content: space-around;
    align-items: center;
    margin: 35px 0;
    text-align: center;
}

.scoreboard div {
    display: flex;
    flex-direction: column;
    gap: 12px;
    font-size: 11px;
    color: #aeb8ca;
}

.symbol-x, .symbol-o {
    font-size: 35px;
    font-weight: 900;
}

.symbol-x, .x {
    color: #6385ff;
}

.symbol-o, .o {
    color: #b78cff;
}

.versus {
    color: #66748b;
    font-size: 12px;
}

.board {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 9px;
}

.cell {
    aspect-ratio: 1;
    background: #192237;
    border: 1px solid #2a3853;
    border-radius: 9px;
    display: grid;
    place-items: center;
    font-size: 42px;
    font-weight: 900;
}

.preview-footer {
    color: #75839b;
    text-align: center;
    font-size: 10px;
    letter-spacing: 3px;
    margin-top: 25px;
}

footer {
    border-top: 1px solid #202638;
    padding: 25px 8%;
    display: flex;
    justify-content: space-between;
    color: #718096;
    font-size: 10px;
    letter-spacing: 1px;
}

@media (max-width: 800px) {
    .container {
        grid-template-columns: 1fr;
        gap: 45px;
        padding: 50px 0;
    }

    .hero h1 {
        font-size: 52px;
    }

    footer {
        gap: 15px;
        flex-direction: column;
    }
}