:root {
    --primary-color: #6a1b9a;
    /* Deep Purple */
    --secondary-color: #f3e5f5;
    /* Light Purple/White */
    --accent-color: #9c27b0;
    /* Vibrant Purple */
    --text-color: #311b92;
    --white: #ffffff;
}

* {
    box-sizing: border-box;
    margin: 0;
    padding: 0;
    font-family: 'Outfit', sans-serif;
}

body {
    background-color: var(--secondary-color);
    color: var(--text-color);
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    min-height: 100vh;
    overflow: hidden;
}

.container {
    background: var(--white);
    padding: 2rem;
    border-radius: 20px;
    box-shadow: 0 10px 30px rgba(106, 27, 154, 0.2);
    text-align: center;
    width: 90%;
    max-width: 400px;
    border: 2px solid var(--primary-color);
}

h1 {
    color: var(--primary-color);
    margin-bottom: 1.5rem;
    font-size: clamp(1.8rem, 8vw, 2.5rem);
    /* Responsive font size */
    text-transform: uppercase;
    letter-spacing: 2px;
    word-wrap: break-word;
    overflow-wrap: break-word;
}

input[type="text"] {
    width: 100%;
    padding: 12px;
    margin-bottom: 1.5rem;
    border: 2px solid var(--secondary-color);
    border-radius: 10px;
    font-size: 1rem;
    outline: none;
    transition: border-color 0.3s;
}

input[type="text"]:focus {
    border-color: var(--primary-color);
}

button {
    width: 100%;
    padding: 12px;
    margin-bottom: 1rem;
    border: none;
    border-radius: 10px;
    background-color: var(--primary-color);
    color: var(--white);
    font-size: 1.1rem;
    font-weight: bold;
    cursor: pointer;
    transition: transform 0.2s, background-color 0.3s;
}

button:hover {
    background-color: var(--accent-color);
    transform: translateY(-2px);
}

button:active {
    transform: translateY(0);
}

.leaderboard-btn {
    background-color: var(--white);
    color: var(--primary-color);
    border: 2px solid var(--primary-color);
}

.leaderboard-btn:hover {
    background-color: var(--secondary-color);
}

/* Hidden by default */
.popup {
    position: fixed;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
    background: var(--white);
    padding: 2rem;
    border-radius: 20px;
    box-shadow: 0 10px 50px rgba(0, 0, 0, 0.3);
    z-index: 100;
    width: 85%;
    max-width: 350px;
    display: none;
    border: 3px solid var(--primary-color);
}

.overlay {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: rgba(0, 0, 0, 0.5);
    display: none;
    z-index: 99;
}

/* Game UI Overlay */
#game-ui {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    padding: 1rem;
    display: flex;
    justify-content: space-between;
    align-items: flex-start;
    /* Prevent vertical stretching */
    pointer-events: none;
    z-index: 10;
}

.info-box {
    background: rgba(106, 27, 154, 0.8);
    color: white;
    padding: 8px 15px;
    border-radius: 10px;
    font-weight: bold;
    font-size: 1.2rem;
}

/* Leaderboard Specific Fixes */
.leaderboard-table td {
    max-width: 150px;
    white-space: nowrap;
    overflow: hidden;
    text-overflow: ellipsis;
}