/* Whiteboard/classroom theme */
body {
    font-family: 'Segoe UI', 'Arial', 'Liberation Sans', 'Helvetica Neue', sans-serif;
    background: #e6e6e6;
    margin: 0;
    padding: 0;
}
h1 {
    color: #2d2d2d;
    text-align: center;
    font-size: 2.5em;
    letter-spacing: 2px;
    text-shadow: 1px 1px 0 #fff, 2px 2px 0 #bdbdbd;
    margin-top: 32px;
    margin-bottom: 16px;
}
#lobby, #game {
    max-width: 440px;
    margin: 40px auto;
    background: #fff;
    padding: 28px 32px 32px 32px;
    border-radius: 18px;
    box-shadow: 0 4px 24px #bdbdbd, 0 0 0 8px #f5f5f5 inset;
    border: 4px solid #e0e0e0;
    position: relative;
}
#lobby:before, #game:before {
    content: '';
    position: absolute;
    top: 10px; left: 10px; right: 10px; bottom: 10px;
    border: 2px dashed #bdbdbd;
    border-radius: 12px;
    pointer-events: none;
    opacity: 0.3;
}
input[type=text] {
    width: 80%;
    padding: 10px;
    margin: 10px 0;
    border-radius: 6px;
    border: 2px solid #bdbdbd;
    font-size: 1.1em;
    font-family: inherit;
    background: #f9f9f9;
    box-shadow: 1px 1px 0 #e0e0e0;
}
button {
    padding: 10px 20px;
    border: none;
    background: #4caf50;
    color: #fff;
    border-radius: 6px;
    cursor: pointer;
    margin: 10px 0;
    font-size: 1.1em;
    font-family: inherit;
    box-shadow: 2px 2px 0 #bdbdbd;
    transition: background 0.2s, transform 0.1s;
}
button:hover {
    background: #388e3c;
    transform: scale(1.04) rotate(-1deg);
}
ul {
    padding-left: 24px;
    font-size: 1.1em;
    font-family: inherit;
    color: #2d2d2d;
}
#game_status {
    margin-top: 18px;
    color: #1976d2;
    font-size: 1.1em;
    font-family: inherit;
}
/* Marker color accents */
#lobby h2, #game h2 {
    color: #1976d2;
    text-shadow: 1px 1px 0 #fff, 2px 2px 0 #bdbdbd;
    margin-bottom: 18px;
}
#lobby_status {
    color: #d84315;
    font-family: inherit;
    margin-top: 10px;
}