body {
    background: radial-gradient(circle at top, #111, #000);
    color: #0f0;
    font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
    margin: 0;
    height: 100vh;
    position: relative;
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
}

body::before {
    content: "♠ ♥ Welcome to Gambling API ♦ ♣";
    font-size: 24px;
    color: #0f0;
    margin-bottom: 40px;
    display: block;
    text-shadow: 0 0 5px #0f0, 0 0 10px #0f0;
}

button {
    background-color: #0f0;
    color: #000;
    border: none;
    padding: 15px 30px;
    font-size: 16px;
    font-weight: bold;
    border-radius: 12px;
    cursor: pointer;
    box-shadow: 0 0 10px #0f0, 0 0 5px #0f0 inset;
    transition: background 0.2s ease-in-out, transform 0.2s;
}

button:hover {
    background-color: #1f1;
    transform: scale(1.05);
}

button.logout {
    position: absolute;
    top: 20px;
    right: 20px;
    padding: 10px 20px;
    font-size: 14px;
}

.balance {
    margin-top: 20px;
    color: #0f0;
    text-shadow: 0 0 5px #0f0, 0 0 10px #0f0;
}

.lobby-buttons {
    display: flex;
    gap: 20px;
    margin-top: 30px;
}

.host-form {
    display: grid;
    gap: 12px;
    justify-items: center;
    margin-top: 18px;
}

.lobby-visibility {
    color: #fff;
    font-family: monospace;
    display: flex;
    align-items: center;
    gap: 8px;
    text-shadow: 0 0 3px #0f0;
}

.lobby-visibility label {
    border: 1px solid rgba(0, 255, 0, 0.5);
    border-radius: 8px;
    padding: 8px 12px;
    background: rgba(0, 0, 0, 0.65);
    cursor: pointer;
}

.lobby-visibility input {
    width: 16px;
    height: 16px;
    accent-color: #0f0;
    vertical-align: middle;
}

.lobby-room {
    background: rgba(0, 0, 0, 0.7);
    border: 2px solid #0f0;
    border-radius: 12px;
    padding: 30px;
    margin-top: 40px;
    width: 400px;
    text-align: center;
    box-shadow: 0 0 10px #0f0;
}

.lobby-room h2 {
    color: #0f0;
    font-size: 20px;
    margin-bottom: 20px;
    text-shadow: 0 0 5px #0f0;
}

#player-list {
    color: #fff;
}

.hidden {
    display: none;
}

.join-browser {
    margin-top: 20px;
    width: min(520px, calc(100vw - 32px));
    background: rgba(0, 0, 0, 0.78);
    border: 2px solid #0f0;
    border-radius: 10px;
    box-shadow: 0 0 10px #0f0;
    padding: 18px;
    box-sizing: border-box;
}

.join-code-row {
    display: flex;
    gap: 10px;
}

#join-form:not(.hidden) {
    display: block;
}

#join-form input {
    padding: 10px;
    border-radius: 8px;
    border: 2px solid #0f0;
    background-color: #111;
    color: #0f0;
    font-size: 16px;
    box-shadow: 0 0 5px #0f0 inset;
    width: 200px;
}

.browser-header {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 12px;
    margin-top: 16px;
    border-top: 1px solid rgba(0, 255, 0, 0.35);
    padding-top: 14px;
}

.browser-header h2 {
    margin: 0;
    font-size: 18px;
    color: #0f0;
    font-family: monospace;
}

.browser-header button,
.public-lobby button {
    padding: 8px 14px;
    font-size: 13px;
    border-radius: 8px;
}

.public-lobbies {
    display: grid;
    gap: 10px;
    margin-top: 12px;
    max-height: 220px;
    overflow: auto;
}

.public-lobbies p {
    margin: 0;
    color: #fff;
    font-family: monospace;
}

.public-lobby {
    display: grid;
    grid-template-columns: 1fr auto;
    align-items: center;
    gap: 12px;
    border: 1px solid rgba(0, 255, 0, 0.45);
    border-radius: 8px;
    padding: 10px;
    background: rgba(0, 255, 0, 0.06);
}

.public-lobby-info {
    display: grid;
    gap: 4px;
    color: #fff;
    font-family: monospace;
    min-width: 0;
}

.public-lobby-info strong {
    color: #0f0;
    overflow-wrap: anywhere;
}

.public-lobby-info span {
    font-size: 13px;
    color: #d8ffd8;
}

#join-form button {
    background-color: #0f0;
    color: #000;
    font-weight: bold;
    padding: 10px 20px;
    border-radius: 8px;
    border: none;
    cursor: pointer;
    transition: 0.2s;
}

.error-message {
    color: red;
    margin-top: 10px;
    font-weight: bold;
    text-shadow: 0 0 3px red;
}

.hidden {
    display: none;
}

#matrix-canvas {
    position: fixed;
    top: 0;
    left: 0;
    z-index: -1;
    width: 100vw;
    height: 100vh;
    background: transparent;
    pointer-events: none;
}

.leaderboard {
    position: absolute;
    top: 100px;
    left: 20px;
    background: rgba(0, 0, 0, 0.7);
    border: 2px solid #0f0;
    border-radius: 10px;
    padding: 20px;
    width: 200px;
    color: #0f0;
    font-family: monospace;
    box-shadow: 0 0 10px #0f0;
    z-index: 1;
}

.leaderboard h3 {
    margin-top: 0;
    font-size: 18px;
    text-align: center;
    text-shadow: 0 0 5px #0f0;
}

.leaderboard ul {
    list-style: none;
    padding: 0;
    margin: 0;
}

.leaderboard li {
    margin: 5px 0;
    font-size: 14px;
    text-shadow: 0 0 3px #0f0;
}

.leaderboard li.you {
    font-weight: bold;
    color: #ff0;
    text-shadow: 0 0 5px #ff0;
}

.your-rank {
    margin-top: 10px;
    font-size: 14px;
    color: #fff;
    text-align: center;
    text-shadow: 0 0 3px #0f0;
}

.lobby-room {
    position: relative;
    background: rgba(0, 0, 0, 0.7);
    border: 2px solid #0f0;
    border-radius: 12px;
    padding: 30px;
    margin-top: 40px;
    width: 400px;
    text-align: center;
    box-shadow: 0 0 10px #0f0;
}

.lobby-header {
    position: absolute;
    top: 10px;
    right: 10px;
}

.leave-button {
    background-color: #f00;
    color: #fff;
    font-size: 12px;
    padding: 8px 12px;
    border: none;
    border-radius: 8px;
    box-shadow: 0 0 5px red;
    cursor: pointer;
    transition: background 0.2s, transform 0.2s;
}

.leave-button:hover {
    background-color: #c00;
    transform: scale(1.05);
}

.start-game {
    margin-top: 20px;
    width: 100%;
}

.start-game:disabled {
    background-color: #163016;
    color: #67a667;
    cursor: not-allowed;
    box-shadow: 0 0 5px #0f0 inset;
    transform: none;
}