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

body {
    font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
    background-color: #0f0f0f;
    color: #ffffff;
    min-height: 100vh;
    background-image: 
        linear-gradient(rgba(15, 15, 15, 0.97), rgba(15, 15, 15, 0.97)),
        url('data:image/svg+xml,%3Csvg width="20" height="20" viewBox="0 0 20 20" xmlns="http://www.w3.org/2000/svg"%3E%3Cg fill="%239C92AC" fill-opacity="0.05"%3E%3Cpath d="M0 0h20L0 20z"/%3E%3C/g%3E%3C/svg%3E');
}

.container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 20px;
}

header {
    margin-bottom: 30px;
    padding: 25px;
    background-color: rgba(45, 45, 45, 0.95);
    border-radius: 15px;
    box-shadow: 0 8px 32px rgba(0, 0, 0, 0.2);
    backdrop-filter: blur(10px);
    border: 1px solid rgba(255, 255, 255, 0.05);
}

h1 {
    margin-bottom: 20px;
    color: #4CAF50;
    font-size: 2.2em;
    text-shadow: 0 2px 4px rgba(0, 0, 0, 0.3);
    letter-spacing: 1px;
}

nav {
    display: flex;
    gap: 20px;
}

select {
    padding: 12px 15px;
    border: 1px solid rgba(76, 175, 80, 0.3);
    border-radius: 8px;
    background-color: rgba(61, 61, 61, 0.95);
    color: #ffffff;
    cursor: pointer;
    min-width: 220px;
    font-size: 1em;
    transition: all 0.3s ease;
    outline: none;
    box-shadow: 0 2px 8px rgba(0, 0, 0, 0.1);
}

select:hover {
    border-color: rgba(76, 175, 80, 0.6);
    background-color: rgba(71, 71, 71, 0.95);
}

select:focus {
    border-color: #4CAF50;
    box-shadow: 0 0 0 2px rgba(76, 175, 80, 0.2);
}

#downloadGameBtn {
    padding: 12px 20px;
    margin: 20px 0;
    background-color: #4CAF50;
    color: white;
    border: none;
    border-radius: 8px;
    cursor: pointer;
    font-size: 1em;
    transition: background-color 0.3s ease;
    display: block;
    width: 100%;
    max-width: 200px;
    margin-left: auto;
    margin-right: auto;
    text-align: center;
}

#downloadGameBtn:hover {
    background-color: #45a049;
}

.game-container {
    display: grid;
    grid-template-columns: 2fr 1fr;
    gap: 25px;
    margin-bottom: 25px;
}

.map-area {
    background-color: rgba(45, 45, 45, 0.95);
    border-radius: 15px;
    padding: 25px;
    min-height: 500px;
    position: relative;
    box-shadow: 0 8px 32px rgba(0, 0, 0, 0.2);
    border: 1px solid rgba(255, 255, 255, 0.05);
}

#mapCanvas {
    width: 100%;
    height: 100%;
    background-color: rgba(61, 61, 61, 0.95);
    border-radius: 10px;
    box-shadow: inset 0 2px 4px rgba(0, 0, 0, 0.2);
}

.path-area {
    background-color: rgba(45, 45, 45, 0.95);
    border-radius: 15px;
    padding: 25px;
    margin-bottom: 25px;
    box-shadow: 0 8px 32px rgba(0, 0, 0, 0.2);
    border: 1px solid rgba(255, 255, 255, 0.05);
}

#pathCanvas {
    width: 100%;
    height: 300px;
    background-color: rgba(61, 61, 61, 0.95);
    border-radius: 10px;
    box-shadow: inset 0 2px 4px rgba(0, 0, 0, 0.2);
}

.controls-panel {
    background-color: rgba(45, 45, 45, 0.95);
    border-radius: 15px;
    padding: 25px;
    box-shadow: 0 8px 32px rgba(0, 0, 0, 0.2);
    border: 1px solid rgba(255, 255, 255, 0.05);
}

.tools, .symbols-panel {
    margin-bottom: 35px;
}

h3 {
    margin-bottom: 20px;
    color: #4CAF50;
    font-size: 1.3em;
    text-shadow: 0 2px 4px rgba(0, 0, 0, 0.3);
    letter-spacing: 0.5px;
}

.tool-btn {
    display: flex;
    align-items: center;
    width: 100%;
    padding: 12px 15px;
    margin-bottom: 12px;
    background-color: rgba(61, 61, 61, 0.95);
    border: 1px solid rgba(76, 175, 80, 0.3);
    border-radius: 8px;
    color: white;
    cursor: pointer;
    transition: all 0.3s ease;
    font-size: 1em;
}

.tool-btn .icon {
    margin-right: 10px;
    font-size: 1.2em;
}

.tool-btn:hover {
    background-color: rgba(76, 175, 80, 0.2);
    border-color: rgba(76, 175, 80, 0.6);
    transform: translateY(-1px);
}

.tool-btn:active {
    transform: translateY(1px);
}

.symbol-grid {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 15px;
}

.symbol-btn {
    padding: 20px;
    font-size: 28px;
    background-color: rgba(61, 61, 61, 0.95);
    border: 1px solid rgba(76, 175, 80, 0.3);
    border-radius: 8px;
    cursor: pointer;
    transition: all 0.3s ease;
    display: flex;
    align-items: center;
    justify-content: center;
    box-shadow: 0 2px 8px rgba(0, 0, 0, 0.1);
}

.symbol-btn:hover {
    transform: scale(1.05);
    background-color: rgba(76, 175, 80, 0.2);
    border-color: rgba(76, 175, 80, 0.6);
}

.info-panel {
    background-color: rgba(45, 45, 45, 0.95);
    border-radius: 15px;
    padding: 25px;
    box-shadow: 0 8px 32px rgba(0, 0, 0, 0.2);
    border: 1px solid rgba(255, 255, 255, 0.05);
}

#roomInfo {
    padding: 20px;
    background-color: rgba(61, 61, 61, 0.95);
    border-radius: 8px;
    min-height: 120px;
    line-height: 1.6;
    font-family: 'Courier New', monospace;
    box-shadow: inset 0 2px 4px rgba(0, 0, 0, 0.2);
}

.active {
    background-color: rgba(76, 175, 80, 0.3) !important;
    border-color: #4CAF50 !important;
}

@media (max-width: 768px) {
    .game-container {
        grid-template-columns: 1fr;
    }
    
    .container {
        padding: 10px;
    }
    
    nav {
        flex-direction: column;
    }
    
    select {
        width: 100%;
    }
}

/* Custom scrollbar */
::-webkit-scrollbar {
    width: 10px;
}

::-webkit-scrollbar-track {
    background: rgba(45, 45, 45, 0.95);
}

::-webkit-scrollbar-thumb {
    background: rgba(76, 175, 80, 0.3);
    border-radius: 5px;
}

::-webkit-scrollbar-thumb:hover {
    background: rgba(76, 175, 80, 0.5);
}

/* Selection style */
::selection {
    background: rgba(76, 175, 80, 0.3);
    color: white;
}

/* Modal styles */
.modal {
    display: none; 
    position: fixed; 
    z-index: 1; 
    left: 0;
    top: 0;
    width: 100%; 
    height: 100%; 
    overflow: auto; 
    background-color: rgb(0,0,0); 
    background-color: rgba(0,0,0,0.4); 
}

.modal-content {
    background-color: #fefefe;
    margin: 15% auto; 
    padding: 20px;
    border: 1px solid #888;
    width: 80%; 
}

.close {
    color: #aaa;
    float: right;
    font-size: 28px;
    font-weight: bold;
}

.close:hover,
.close:focus {
    color: black;
    text-decoration: none;
    cursor: pointer;
}

.path-box {
    background-color: rgba(45, 45, 45, 0.95);
    padding: 25px;
    border-radius: 15px;
    box-shadow: 0 8px 32px rgba(0, 0, 0, 0.2);
    border: 1px solid rgba(255, 255, 255, 0.05);
    margin-top: 25px;
}

.path-box img {
    max-width: 100%;
    height: auto;
    border-radius: 8px;
}

.path-box h3 {
    margin-bottom: 15px;
    color: #4CAF50;
}