body {
    margin: 0;
    padding: 10px;
    box-sizing: border-box;
    background-color: #1a1a1a;
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    min-height: 100vh;
    width: 100%;
    font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
    color: #eee;
}
.hidden { display: none !important; }
#main-menu {
    text-align: center;
    padding: 20px 40px;
    background-color: #2a2a2a;
    border-radius: 12px;
    box-shadow: 0 4px 15px rgba(0,0,0,0.5);
    border: 1px solid #444;
    width: 100%;
    max-width: 800px;
}
#main-menu h2 { margin-top: 0; color: #439957; } /* New Color */
#main-menu select, #main-menu button {
    font-size: 18px;
    padding: 12px;
    margin: 10px;
    border-radius: 8px;
    border: 1px solid #555;
    background-color: #333;
    color: #eee;
    cursor: pointer;
    width: calc(100% - 24px);
    max-width: 300px;
}
#main-menu button { background-color: #439957; font-weight: bold; transition: background-color 0.2s; } /* New Color */
#main-menu button:hover { background-color: #53a967; } /* Lighter shade for hover */
#game-container {
    border: 2px solid #444;
    border-radius: 12px;
    overflow: hidden;
    box-shadow: 0 0 25px rgba(67, 153, 87, 0.4); /* New shadow color */
    width: 100%;
    max-width: 1280px;
    height: auto;
    aspect-ratio: 1280 / 900;
}
#error-message {
    color: #ff4444;
    background-color: #442222;
    padding: 15px;
    border-radius: 8px;
    border: 1px solid #ff4444;
    margin-top: 20px;
    max-width: 800px;
    word-wrap: break-word;
}
#health-bars, #battle-log-container, #post-match-container {
    display: flex;
    flex-wrap: wrap;
    justify-content: space-between;
    width: 100%;
    max-width: 1280px;
    margin-bottom: 10px;
}
.player-hp {
    background-color: #2a2a2a;
    padding: 10px;
    border-radius: 8px;
    width: 48%;
    border: 1px solid #444;
    box-sizing: border-box;
}
.player-hp-details { display: flex; justify-content: space-between; align-items: center; margin-bottom: 5px; font-weight: bold; }
.hp-bar-outer { background-color: rgba(0, 0, 0, 0.5); border-radius: 4px; height: 16px; overflow: hidden; border: 1px solid rgba(255, 255, 255, 0.2); }
.hp-bar-inner { height: 100%; transition: width 0.2s ease-out; }
#p1-hp-bar { background-color: #439957; } /* New Color */
#p2-hp-bar { background-color: #a167a5; } /* New Color */
#battle-log-container {
    margin-top: 10px;
}
#battle-log {
    width: 100%;
    height: 150px;
    overflow-y: scroll;
    background-color: #111;
    padding: 10px;
    border-radius: 5px;
    box-sizing: border-box;
}
#battle-log p { margin: 0 0 5px; padding: 0; font-family: 'Courier New', Courier, monospace; }
.team1-text { color: #439957; } /* New Color */
.team2-text { color: #a167a5; } /* New Color */
#post-match-container { justify-content: center; gap: 20px; margin-top: 10px; }
#post-match-container button { font-size: 18px; padding: 12px 24px; border-radius: 8px; border: 1px solid #555; color: #eee; cursor: pointer; font-weight: bold; transition: background-color 0.2s; }
#rematch-btn { background-color: #439957; }
#rematch-btn:hover { background-color: #53a967; }
#main-menu-btn { background-color: #444; }
#main-menu-btn:hover { background-color: #555; }

@media (max-width: 768px) {
    #main-menu div { display: flex; flex-direction: column; align-items: center; }
    #main-menu select { width: 90%; }
    #main-menu span { margin: 10px 0; }
    #health-bars { flex-direction: column; align-items: center; gap: 10px; }
    .player-hp { width: 100%; }
}