html, body {
    width: 100%;
    height: 100%;
    overflow: hidden; /* Prevent scrollbars */
}

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

body {
    font-family: 'Arial', sans-serif;
    background: 
        radial-gradient(ellipse at top, #1e1e3f 0%, #0f0f23 50%, #000000 100%),
        radial-gradient(circle at 20% 80%, rgba(120, 50, 200, 0.3) 0%, transparent 50%),
        radial-gradient(circle at 80% 20%, rgba(255, 100, 150, 0.2) 0%, transparent 50%),
        radial-gradient(circle at 40% 40%, rgba(50, 150, 255, 0.2) 0%, transparent 50%);
    color: white;
    position: relative;
}

/* Animated stars */
body::before {
    content: '';
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background-image: 
        radial-gradient(2px 2px at 20px 30px, #eee, transparent),
        radial-gradient(2px 2px at 40px 70px, rgba(255,255,255,0.8), transparent),
        radial-gradient(1px 1px at 90px 40px, #fff, transparent),
        radial-gradient(1px 1px at 130px 80px, rgba(255,255,255,0.6), transparent),
        radial-gradient(2px 2px at 160px 30px, #ddd, transparent);
    background-repeat: repeat;
    background-size: 200px 100px;
    animation: sparkle 20s linear infinite;
    pointer-events: none;
    z-index: -1;
}

@keyframes sparkle {
    from { transform: translateY(0px); }
    to { transform: translateY(-100px); }
}

.screen {
    width: 100vw;
    height: 100vh;
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
}

.hidden {
    display: none !important;
}

#menu {
    text-align: center;
    background: rgba(0, 0, 0, 0.4);
    padding: 40px;
    border-radius: 20px;
    border: 2px solid rgba(255, 255, 255, 0.2);
    backdrop-filter: blur(10px);
}

#menu h1 {
    font-size: 3em;
    margin-bottom: 15px;
    text-shadow: 0 0 20px rgba(100, 200, 255, 0.8), 0 0 40px rgba(100, 200, 255, 0.4);
    background: linear-gradient(45deg, #64b5f6, #e1bee7, #90caf9);
    background-size: 300% 300%;
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    animation: galaxyGlow 3s ease-in-out infinite alternate;
}

#menu h2 {
    font-size: 1.5em;
    margin-bottom: 15px;
    color: #64b5f6;
    text-shadow: 0 0 10px rgba(100, 181, 246, 0.5);
}

.game-description {
    max-width: 450px;
    margin: 0 auto 15px auto;
    color: rgba(255, 255, 255, 0.8);
    line-height: 1.4;
    font-size: 0.9rem;
    padding: 15px;
    background: rgba(0, 0, 0, 0.3);
    border-radius: 10px;
    border: 1px solid rgba(100, 181, 246, 0.3);
    backdrop-filter: blur(5px);
}

.strategy-tip {
    max-width: 450px;
    margin: 0 auto 25px auto;
    color: rgba(255, 255, 255, 0.9);
    line-height: 1.4;
    font-size: 0.85rem;
    padding: 12px;
    background: linear-gradient(135deg, rgba(255, 165, 0, 0.2), rgba(255, 69, 0, 0.15));
    border-radius: 8px;
    border: 1px solid rgba(255, 165, 0, 0.4);
    backdrop-filter: blur(5px);
    animation: tipGlow 2s ease-in-out infinite alternate;
}

@keyframes tipGlow {
    0% { box-shadow: 0 0 5px rgba(255, 165, 0, 0.3); }
    100% { box-shadow: 0 0 15px rgba(255, 165, 0, 0.5); }
}

@keyframes galaxyGlow {
    0% { background-position: 0% 50%; }
    100% { background-position: 100% 50%; }
}

.input-group {
    margin-bottom: 20px;
}

.input-with-button {
    display: flex;
    align-items: center;
    gap: 10px;
}

#playerName {
    padding: 12px 20px;
    font-size: 16px;
    border: 2px solid rgba(100, 200, 255, 0.5);
    border-radius: 25px;
    outline: none;
    min-width: 250px;
    background: rgba(0, 0, 0, 0.3);
    color: white;
    backdrop-filter: blur(5px);
    flex: 1;
}

#playerName::placeholder {
    color: rgba(255, 255, 255, 0.7);
}

#playerName:focus {
    border-color: #64b5f6;
    box-shadow: 0 0 15px rgba(100, 181, 246, 0.5);
}

.arrow-button {
    padding: 12px 16px;
    font-size: 18px;
    background: linear-gradient(45deg, #1e88e5, #7b1fa2);
    color: white;
    border: none;
    border-radius: 50%;
    cursor: pointer;
    transition: all 0.3s;
    box-shadow: 0 4px 15px rgba(30, 136, 229, 0.4);
    width: 45px;
    height: 45px;
    display: flex;
    align-items: center;
    justify-content: center;
    flex-shrink: 0;
}

.arrow-button:hover {
    transform: translateY(-2px);
    box-shadow: 0 6px 20px rgba(30, 136, 229, 0.6);
}

.arrow-button:disabled {
    background: rgba(100, 100, 100, 0.5);
    cursor: not-allowed;
    transform: none;
    box-shadow: 0 4px 15px rgba(100, 100, 100, 0.4);
}

#connectionStatus {
    color: #64b5f6;
    font-size: 14px;
    background: rgba(0,0,0,0.7);
    padding: 15px;
    border-radius: 10px;
    border: 1px solid rgba(100, 181, 246, 0.3);
}

#game {
    position: relative;
    background: #000000;
}

#gameUI {
    position: absolute;
    top: 20px;
    left: 20px;
    z-index: 10;
    background: rgba(0, 0, 0, 0.8);
    padding: 15px;
    border-radius: 10px;
    pointer-events: none; /* This makes the UI transparent to mouse events */
    border: 1px solid rgba(100, 181, 246, 0.3);
    backdrop-filter: blur(10px);
}

#playerInfo {
    margin-bottom: 10px;
}

#playerInfo span {
    display: block;
    margin-bottom: 5px;
    font-size: 14px;
    color: #64b5f6;
    text-shadow: 0 0 10px rgba(100, 181, 246, 0.5);
}

#instructions {
    font-size: 12px;
    color: rgba(255, 255, 255, 0.8);
    max-width: 250px;
    line-height: 1.4;
}

#gameCanvas {
    border: 2px solid rgba(100, 181, 246, 0.5);
    background: #0a0a20;
    display: block; /* To prevent small extra space below canvas */
    box-shadow: 0 0 30px rgba(100, 181, 246, 0.3);
}

.collision-effect {
    position: absolute;
    width: 20px;
    height: 20px;
    background: radial-gradient(circle, #ff6b6b, #feca57);
    border-radius: 50%;
    animation: collisionBurst 0.5s ease-out forwards;
    box-shadow: 0 0 20px #ff6b6b;
}

@keyframes collisionBurst {
    0% {
        transform: scale(0);
        opacity: 1;
    }
    100% {
        transform: scale(3);
        opacity: 0;
    }
}

/* Modal Styles */
.modal {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: rgba(0, 0, 0, 0.3);  /* Much more transparent so game is visible */
    display: flex;
    align-items: center;
    justify-content: center;
    z-index: 1000;
    backdrop-filter: blur(2px);  /* Reduced blur so background is more visible */
}

.modal-content {
    background: linear-gradient(135deg, rgba(30, 30, 63, 0.9) 0%, rgba(15, 15, 35, 0.9) 100%);  /* Semi-transparent */
    padding: 40px;
    border-radius: 20px;
    border: 2px solid rgba(100, 200, 255, 0.5);
    text-align: center;
    max-width: 400px;
    width: 90%;
    box-shadow: 0 0 30px rgba(100, 181, 246, 0.3);
    backdrop-filter: blur(8px);  /* Reduced blur so background is more visible */
}

.modal-content h2 {
    font-size: 2em;
    margin-bottom: 20px;
    color: #ff6b6b;
    text-shadow: 0 0 20px rgba(255, 107, 107, 0.5);
}

.modal-content p {
    margin-bottom: 25px;
    color: rgba(255, 255, 255, 0.9);
    font-size: 16px;
    line-height: 1.5;
}

.modal-tip {
    margin-bottom: 20px !important;
    color: rgba(255, 255, 255, 0.95) !important;
    font-size: 14px !important;
    padding: 12px;
    background: linear-gradient(135deg, rgba(100, 181, 246, 0.2), rgba(156, 39, 176, 0.15));
    border-radius: 8px;
    border: 1px solid rgba(100, 181, 246, 0.4);
    line-height: 1.4 !important;
}

#newPlayerName {
    padding: 12px 20px;
    font-size: 16px;
    border: 2px solid rgba(100, 200, 255, 0.5);
    border-radius: 25px;
    margin-bottom: 20px;
    outline: none;
    width: 100%;
    background: rgba(0, 0, 0, 0.3);
    color: white;
    backdrop-filter: blur(5px);
    box-sizing: border-box;
}

#newPlayerName::placeholder {
    color: rgba(255, 255, 255, 0.7);
}

#newPlayerName:focus {
    border-color: #64b5f6;
    box-shadow: 0 0 15px rgba(100, 181, 246, 0.5);
}

.button-group {
    display: flex;
    gap: 15px;
    justify-content: center;
    flex-wrap: wrap;
}

#changeNameButton, #keepNameButton {
    padding: 12px 25px;
    font-size: 16px;
    border: none;
    border-radius: 25px;
    cursor: pointer;
    transition: all 0.3s;
    min-width: 120px;
}

#changeNameButton {
    background: linear-gradient(45deg, #1e88e5, #7b1fa2);
    color: white;
    box-shadow: 0 4px 15px rgba(30, 136, 229, 0.4);
}

#changeNameButton:hover {
    transform: translateY(-2px);
    box-shadow: 0 6px 20px rgba(30, 136, 229, 0.6);
}

#keepNameButton {
    background: linear-gradient(45deg, #666, #999);
    color: white;
    box-shadow: 0 4px 15px rgba(102, 102, 102, 0.4);
}

#keepNameButton:hover {
    transform: translateY(-2px);
    box-shadow: 0 6px 20px rgba(102, 102, 102, 0.6);
}

#leaderboard {
    margin-top: 20px;
    border-top: 1px solid rgba(100, 181, 246, 0.3);
    padding-top: 15px;
}

#leaderboard h3 {
    font-size: 14px;
    color: #64b5f6;
    margin-bottom: 10px;
    text-shadow: 0 0 10px rgba(100, 181, 246, 0.5);
    text-align: center;
}

#leaderboardList {
    max-height: 150px;
    overflow-y: auto;
}

.leaderboard-entry {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 5px 8px;
    margin-bottom: 3px;
    background: rgba(0, 0, 0, 0.3);
    border-radius: 5px;
    border: 1px solid rgba(100, 181, 246, 0.2);
    font-size: 12px;
    transition: all 0.2s;
}

.leaderboard-entry:hover {
    background: rgba(100, 181, 246, 0.1);
    border-color: rgba(100, 181, 246, 0.4);
}

.leaderboard-entry.is-me {
    background: rgba(100, 181, 246, 0.2);
    border-color: rgba(100, 181, 246, 0.6);
    color: #ffffff;
}

.leaderboard-entry.is-me:hover {
    background: rgba(100, 181, 246, 0.3);
}

.leaderboard-rank {
    font-weight: bold;
    color: #64b5f6;
    min-width: 20px;
}

.leaderboard-name {
    flex: 1;
    margin: 0 8px;
    color: rgba(255, 255, 255, 0.9);
    overflow: hidden;
    text-overflow: ellipsis;
    white-space: nowrap;
}

.leaderboard-size {
    font-weight: bold;
    color: #64b5f6;
    min-width: 35px;
    text-align: right;
}

#chatLog {
    position: absolute;
    bottom: 20px;
    left: 20px;
    z-index: 100;
    pointer-events: none; /* Make it transparent to mouse events */
}

#chatLog h3 {
    font-size: 14px;
    color: #64b5f6;
    margin-bottom: 10px;
    text-shadow: 0 0 10px rgba(100, 181, 246, 0.5);
    text-align: center;
}

#chatMessages {
    max-height: 200px;
    max-width: 300px;
    overflow-y: auto;
    background: rgba(0, 0, 0, 0.2);
    border-radius: 8px;
    padding: 10px;
    backdrop-filter: blur(2px);
    
    /* Hide scrollbar */
    scrollbar-width: none; /* Firefox */
    -ms-overflow-style: none; /* Internet Explorer 10+ */
}

#chatMessages::-webkit-scrollbar {
    display: none; /* Chrome, Safari, Opera */
}

.chat-message {
    font-size: 14px; /* Increased from 12px (20% larger) */
    color: rgba(200, 200, 200, 0.8);
    margin-bottom: 3px;
    line-height: 1.2;
    word-wrap: break-word;
    text-shadow: 1px 1px 2px rgba(0, 0, 0, 0.5);
}

.chat-message .winner {
    color: rgba(76, 175, 80, 0.9);
    font-weight: bold;
}

.chat-message .loser {
    color: rgba(244, 67, 54, 0.9);
    font-weight: bold;
}

.chat-message .infection {
    color: rgba(255, 152, 0, 0.9);
    font-style: italic;
}

.chat-message .elimination {
    color: rgba(233, 30, 99, 0.9);
    font-weight: bold;
    text-shadow: 0 0 5px rgba(233, 30, 99, 0.3);
}

.chat-message .join {
    color: rgba(33, 150, 243, 0.9);
    font-style: italic;
}

.chat-message .leave {
    color: rgba(158, 158, 158, 0.8);
    font-style: italic;
}