* {
    box-sizing: border-box;
}

body {
    background: #050505;
    color: #0f0;
    font-family: 'Press Start 2P', monospace;
    height: 100vh;
    margin: 0;
    display: flex;
    align-items: center;
    justify-content: center;
}

.nokia-shell {
    padding: 24px;
    border: 8px solid #222;
    border-radius: 32px;
    background: radial-gradient(circle at top, #1a1a1a, #000);
    box-shadow: 0 0 30px rgba(0, 255, 0, 0.25);
}

.nokia-screen {
    width: 320px;
    height: 520px;
    border: 3px solid #0f0;
    border-radius: 12px;
    display: flex;
    flex-direction: column;
    background: #000;
}

.nokia-header,
.nokia-footer {
    border-bottom: 1px solid #0f0;
    padding: 12px;
    font-size: 11px;
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.nokia-footer {
    border-bottom: none;
    border-top: 1px solid #0f0;
    gap: 8px;
    flex-wrap: wrap;
}

.nokia-menu {
    flex: 1;
    padding: 20px;
    display: flex;
    flex-direction: column;
    gap: 12px;
}

.menu-item {
    padding: 10px;
    border: 1px solid transparent;
    cursor: pointer;
}

.menu-item.active,
.menu-item:hover {
    background: #0f0;
    color: #000;
    border-color: #000;
}

.menu-item.locked {
    color: #050;
    opacity: 0.6;
}

.menu-item.locked.active,
.menu-item.locked:hover {
    background: #060;
    color: #0a0;
    border-color: #040;
}

.nokia-btn {
    flex: 1 1 calc(50% - 8px);
    padding: 12px;
    background: #060d06;
    color: #0f0;
    border: 1px solid #0f0;
    border-radius: 6px;
    cursor: pointer;
}

.nokia-btn:active {
    background: #0f0;
    color: #000;
}

.game-container {
    position: fixed;
    inset: 0;
    background: rgba(0, 0, 0, 0.95);
}

.game-container iframe {
    width: 100%;
    height: 100%;
    border: none;
}