html, body {
    margin: 0;
    height: 100%;
    background: #181818;
    overflow: hidden;
    font-family: 'Orbitron', sans-serif;
}

#unity-container {
    position: absolute;
    width: 100%;
    height: 100%;
}

#unity-canvas {
    width: 100%;
    height: 100%;
    background: #181818;
    position: relative;
    z-index: 1;
}

#loading-cover {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    display: flex;
    justify-content: center;
    align-items: center;
    background: #181818;
    z-index: 2;
    pointer-events: none;
}

#unity-loading-bar {
    max-width: 800px;
    width: 95%;
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 15px;
}

#unity-logo {
    max-width: 650px;
    width: 90%;
    position: relative;
    display: flex;
    flex-direction: column;
    align-items: center;
    padding: 20px;
    border-radius: 15px;
    background: radial-gradient(ellipse at center,
                                rgba(255, 215, 0, 0.08) 0%,
                                rgba(255, 215, 0, 0.04) 40%,
                                transparent 70%);
    box-shadow: inset 0 0 60px rgba(255, 215, 0, 0.1),
                0 0 30px rgba(255, 215, 0, 0.15);
}

#unity-logo img {
    max-width: 100%;
    height: auto;
    display: block;
    position: relative;
    z-index: 2;
    filter: drop-shadow(0 0 20px rgba(255, 255, 255, 0.5))
            drop-shadow(0 0 40px rgba(255, 215, 0, 0.4))
            drop-shadow(0 0 60px rgba(255, 215, 0, 0.2));
    animation: logoGlow 3s ease-in-out infinite alternate;
}

@keyframes logoGlow {
    from {
        filter: drop-shadow(0 0 15px rgba(255, 255, 255, 0.4))
                drop-shadow(0 0 30px rgba(255, 215, 0, 0.3))
                drop-shadow(0 0 45px rgba(255, 215, 0, 0.15));
    }
    to {
        filter: drop-shadow(0 0 25px rgba(255, 255, 255, 0.6))
                drop-shadow(0 0 50px rgba(255, 215, 0, 0.5))
                drop-shadow(0 0 75px rgba(255, 215, 0, 0.25));
    }
}

.game-tip {
    color: #FFD700;
    font-size: 1.2em;
    font-weight: 600;
    font-family: 'Orbitron', sans-serif;
    text-align: center;
    letter-spacing: 1px;
    text-shadow: 0 0 15px rgba(255, 215, 0, 0.6),
                 0 2px 4px rgba(0, 0, 0, 0.8),
                 0 0 3px rgba(255, 255, 255, 0.4);
    margin: 15px 0 0 0;
    padding: 0 20px;
    animation: tipGlow 2s ease-in-out infinite alternate;
}

@keyframes tipGlow {
    from {
        text-shadow: 0 0 10px rgba(255, 215, 0, 0.4),
                     0 2px 4px rgba(0, 0, 0, 0.8),
                     0 0 2px rgba(255, 255, 255, 0.3);
    }
    to {
        text-shadow: 0 0 20px rgba(255, 215, 0, 0.8),
                     0 2px 4px rgba(0, 0, 0, 0.8),
                     0 0 5px rgba(255, 255, 255, 0.5);
    }
}

#unity-progress-bar-empty {
    width: 100%;
    height: 32px;
    border: 1px solid white;
    padding: 3px;
    background: rgba(0, 0, 0, 0.7);
    position: relative;
    z-index: 3;
    margin-top: -45px;
}

#unity-progress-bar-full {
    height: 100%;
    background: white;
    width: 0%;
    transition: width 0.5s ease;
}

.spinner {
    width: 3em;
    height: 3em;
    border: 0.8em solid rgba(255, 255, 255, 0.2);
    border-top-color: white;
    border-radius: 50%;
    animation: spinner-spin 1.1s infinite linear;
    margin-top: 10px;
}

.spinner.hidden {
    visibility: hidden;
}

@keyframes spinner-spin {
    to { transform: rotate(360deg); }
}

/* Mobile styles */
.unity-mobile #unity-loading-bar {
    gap: 10px;
    width: 90%;
}

.unity-mobile #unity-logo {
    max-width: 500px;
    width: 95%;
    padding: 15px;
}

.unity-mobile #unity-progress-bar-empty {
    height: 28px;
    margin-top: -40px;
}

.unity-mobile .game-tip {
    font-size: 1em;
    margin-top: 12px;
    letter-spacing: 0.8px;
}

.unity-mobile .spinner {
    width: 2.5em;
    height: 2.5em;
}

/* Extra small screens (phones in portrait) */
@media screen and (max-height: 600px) {
    #unity-loading-bar {
        gap: 8px;
        width: 90%;
    }

    #unity-logo {
        max-width: 420px;
        width: 90%;
        padding: 12px;
    }

    #unity-progress-bar-empty {
        height: 24px;
        margin-top: -35px;
    }

    .game-tip {
        font-size: 0.9em;
        margin-top: 10px;
        padding: 0 15px;
        letter-spacing: 0.6px;
    }

    .spinner {
        width: 2em;
        height: 2em;
    }
}

/* Mobile-only: desktop WebGL text entry may rely on adjacent DOM inputs. */
.unity-mobile #unity-mobile-input-container,
.unity-mobile #unity-mobile-input-container *,
.unity-mobile .unity-mobile-input-field,
.unity-mobile .unity-mobile-input-container,
.unity-mobile canvas + input,
.unity-mobile canvas + textarea,
.unity-mobile canvas + div[style*="background-color"],
.unity-mobile body > div[style*="z-index: 1000"] {
    display: block !important; /* Must be visible to exist */
    visibility: visible !important;
    opacity: 0 !important; /* But transparent */
    pointer-events: none !important;
    position: absolute !important;
    left: -10000px !important;
    top: -10000px !important;
    width: 1px !important;
    height: 1px !important;
}