@font-face {
    font-family: 'Algerian';
    font-weight: normal;
    font-style: normal;
}
* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

.bg {
    background: url("bg.jpg") no-repeat center center/cover;
    height: 100vh;
    color: #00ff66;
}

/* Welcome */
.welcome-box {
    text-align: center;
    margin-top: 40px;
    border: 2px solid #00ff66;
    width: 60%;
    margin-left: auto;
    margin-right: auto;
    padding: 20px;
    background: rgba(0,0,0,0.6);
}

.welcome-box span {
    color: #00ff66;
}

/* Login */
.login-box {
    width: 300px;
    margin: 60px auto;
    padding: 20px;
    text-align: center;
    border: 2px solid #00ff66;
    background: rgba(0,0,0,0.7);
}

.login-box input {
    width: 100%;
    padding: 8px;
    margin: 10px 0;
    background: black;
    border: 1px solid #00ff66;
    color: #00ff66;
}

.login-box button {
    padding: 8px 20px;
    background: #00ff66;
    border: none;
    cursor: pointer;
    font-weight: bold;
}

/* Game Layout */
.top-bar {
    padding: 10px 30px;
    font-size: 22px;
}

.game-container {
    display: flex;
    justify-content: center;
    align-items: center;
    margin-top: 30px;
}

/* Game Board */
#board {
    display: grid;
    grid-template-rows: repeat(18, 1fr);
    grid-template-columns: repeat(18, 1fr);
    width: 620px;
    height: 500px;

    background:
        linear-gradient(145deg, rgba(0,255,102,0.08), rgba(0,0,0,0.9)),
        repeating-linear-gradient(
            0deg,
            rgba(0,255,102,0.04) 0px,
            rgba(0,255,102,0.04) 1px,
            transparent 1px,
            transparent 24px
        ),
        repeating-linear-gradient(
            90deg,
            rgba(0,255,102,0.04) 0px,
            rgba(0,255,102,0.04) 1px,
            transparent 1px,
            transparent 24px
        );

    border-radius: 16px;
    border: 3px solid #00ff66;

    box-shadow:
        0 0 20px rgba(0,255,102,0.4),
        inset 0 0 30px rgba(0,255,102,0.15);
}


/* Snake */
/* Snake Head */
.head {
    background: linear-gradient(135deg, #00ff99, #00cc66);
    border-radius: 6px;
    box-shadow:
        0 0 8px #00ff66,
        0 0 16px #00ff66;
    position: relative;
}

/* Eyes */
.head::before,
.head::after {
    content: "";
    position: absolute;
    width: 5px;
    height: 5px;
    background: black;
    border-radius: 50%;
    top: 6px;
}

.head::before {
    left: 5px;
}

.head::after {
    right: 5px;
}

/* Snake Body */
.snake {
    background: linear-gradient(135deg, #009944, #00ff66);
    border-radius: 5px;
    box-shadow:
        0 0 6px rgba(0, 255, 102, 0.8);
}

/* Food */
.food {
    background: radial-gradient(circle, #ff4444, #aa0000);
    border-radius: 50%;
    box-shadow:
        0 0 8px red,
        0 0 16px red;
}

.logo {
    display: flex;
    align-items: center;
    gap: 10px;
    font-family: Algerian;
    font-size: 26px;
    color: #00ff66;
    text-shadow:
        0 0 8px #00ff66,
        0 0 20px #00ff66;
}

.logo-icon {
    font-size: 30px;
}

/* Info Panel */
.info-panel {
    margin-left: 40px;
    padding: 25px 30px;
    min-width: 260px;

    background: rgba(0, 0, 0, 0.75);
    border: 2px solid #00ff66;
    border-radius: 14px;

    box-shadow:
        0 0 20px rgba(0,255,102,0.35),
        inset 0 0 15px rgba(0,255,102,0.15);

    font-size: 18px;
    color: #00ff66;
}
#scoreBox,
#hiscoreBox,
#userBox {
    margin-bottom: 16px;
    padding-bottom: 10px;
    border-bottom: 1px dashed rgba(0,255,102,0.4);
    font-family: Algerian;
    letter-spacing: 1px;
}

.info-panel button {
    margin-top: 20px;
    width: 100%;
    padding: 10px;

    background: linear-gradient(135deg, #00ff99, #00cc66);
    border: none;
    border-radius: 8px;

    font-family: Algerian;
    font-size: 16px;
    letter-spacing: 1px;

    cursor: pointer;

    box-shadow:
        0 0 10px #00ff66,
        0 0 20px rgba(0,255,102,0.6);
    transition: transform 0.15s ease, box-shadow 0.15s ease;
}

.info-panel button:hover {
    transform: scale(1.05);
    box-shadow:
        0 0 15px #00ff66,
        0 0 30px rgba(0,255,102,0.8);
}

@keyframes glowPulse {
    0%   { box-shadow: 0 0 6px #00ff66; }
    50%  { box-shadow: 0 0 14px #00ff66; }
    100% { box-shadow: 0 0 6px #00ff66; }
}

.head,
.snake {
    animation: glowPulse 1.5s infinite;
}
@keyframes borderPulse {
    0%   { box-shadow: 0 0 12px #00ff66, inset 0 0 20px rgba(0,255,102,0.2); }
    50%  { box-shadow: 0 0 28px #00ff66, inset 0 0 35px rgba(0,255,102,0.35); }
    100% { box-shadow: 0 0 12px #00ff66, inset 0 0 20px rgba(0,255,102,0.2); }
}

#board {
    animation: borderPulse 2s infinite;
}