body {
    margin: 0;
    padding: 0;
    overflow: hidden;
    background: hsl(265, 100%, 10%);
    /* Colors */
    --icon-color: #cac9c4;
    --icon-color-hover: white;

    --color-red1: #ff4a53;
    --color-blue1: #5ad3ff;

    --icon-color-red: #db4a4a;
    --icon-color-red-hover: #ff4646;

    --action-red: #a61f00;
    --action-red-dark: #811a03;

    --color-danger: #8f53c9;
    --color-danger-light: #c091ee;
    --color-danger-lighter: #d7b9f4;

    --panel-light-color: #252222ab;
    --panel-dark-color: #252222;
    --panel-darker-color: #1b1818;
    --panel-color: #3a3737;
}

#instruction-text {
    position: fixed;
    top: 90%;
    left: 50%;
    transform: translate(-50%, -50%);
    color: #ffffff;
    font-family: Arial, sans-serif;
    font-size: 36px;
    font-weight: bold;
    text-align: center;
    z-index: 1;
    pointer-events: none;
    opacity: 0.7;
}

/* Star Control Grid - Liquid Glass Buttons */
.star-control-grid {
    position: fixed;
    top: 0;
    left: 20%;
    right: 0;
    bottom: 0;
    display: grid;
    gap: 8px;
    padding: 20px;
    pointer-events: auto;
    z-index: 9997;
    box-sizing: border-box;
}

.star-control-cell {
    background: rgba(255, 255, 255, 0.08);
    backdrop-filter: blur(12px);
    -webkit-backdrop-filter: blur(12px);
    border: 1px solid rgba(255, 255, 255, 0.15);
    border-radius: 16px;
    cursor: pointer;
    transition: all 0.25s ease;
    display: flex;
    align-items: center;
    justify-content: center;
    position: relative;
    overflow: hidden;
}

.star-control-cell::before {
    content: "";
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: linear-gradient(
        135deg,
        rgba(255, 255, 255, 0.1) 0%,
        rgba(255, 255, 255, 0.05) 50%,
        rgba(255, 255, 255, 0) 100%
    );
    pointer-events: none;
}

.star-control-cell:hover {
    background: rgba(255, 234, 0, 0.2);
    border-color: rgba(255, 234, 0, 0.4);
    box-shadow:
        0 0 30px rgba(255, 234, 0, 0.3),
        inset 0 0 20px rgba(255, 234, 0, 0.1);
    transform: scale(1.02);
}

.star-control-cell:active {
    background: rgba(255, 234, 0, 0.35);
    transform: scale(0.98);
}

.star-control-cell .star-icon {
    font-size: 32px;
    opacity: 0.3;
    transition: all 0.25s ease;
    filter: drop-shadow(0 0 8px rgba(255, 234, 0, 0.5));
}

.star-control-cell:hover .star-icon {
    opacity: 0.8;
    transform: scale(1.2);
}

.star-control-cell.has-star {
    background: rgba(255, 234, 0, 0.15);
    border-color: rgba(255, 234, 0, 0.3);
}

.star-control-cell.has-star .star-icon {
    opacity: 1;
}

/* Top HUD */
#top-hud {
    position: relative;
    top: clamp(10px, 2vh, 20px);
    left: 50%;
    transform: translateX(-50%);
    width: fit-content;
    margin: 0;
    display: flex;
    align-items: stretch;
    gap: clamp(10px, 2vw, 18px);
    z-index: 9999;
    font-family: "Segoe UI", Tahoma, Geneva, Verdana, sans-serif;
    pointer-events: none;
}

#top-hud .hud-section {
    display: flex;
    align-items: center;
    gap: clamp(6px, 1vw, 10px);
    min-height: clamp(42px, 6vh, 58px);
    padding: clamp(8px, 1.5vw, 12px) clamp(12px, 2vw, 18px);
    border-radius: clamp(10px, 1.5vw, 16px);
    justify-content: center;
}

#top-hud .layout-progress-section {
    background: rgba(255, 255, 255, 0.09);
    border: 1px solid rgba(255, 255, 255, 0.12);
    color: #ffffff;
}

#top-hud .hud-label {
    font-size: clamp(11px, 1.6vw, 14px);
    font-weight: 800;
    letter-spacing: 0.08em;
    text-transform: uppercase;
    opacity: 0.78;
}

#top-hud .hud-layout-stars {
    display: flex;
    align-items: center;
    gap: clamp(3px, 0.7vw, 6px);
}

#top-hud .hud-layout-star {
    font-size: clamp(19px, 3vw, 30px);
    opacity: 0.26;
    filter: grayscale(1);
    transform: scale(0.92);
    transition:
        opacity 0.25s ease,
        filter 0.25s ease,
        transform 0.25s ease;
}

#top-hud .hud-layout-star.earned {
    opacity: 1;
    filter: grayscale(0) drop-shadow(0 0 10px rgba(255, 234, 0, 0.75));
    transform: scale(1);
}

#top-hud .hud-progress-text {
    min-width: auto;
    font-size: clamp(12px, 1.8vw, 16px);
    font-weight: 700;
    color: rgba(255, 255, 255, 0.9);
    text-align: center;
}

@media (max-width: 640px) {
    #top-hud {
        width: calc(100% - 20px);
        justify-content: center;
        gap: 8px;
    }

    #top-hud .hud-section {
        padding: 8px 10px;
    }

    #top-hud .hud-label {
        display: none;
    }

    #top-hud .hud-progress-text {
        min-width: auto;
    }
}