/* glass.css - Glass morphism styles with CSS variables */

/* CSS Variables for dynamic glass control */
:root {
    --glass-blur: 5px;
    --glass-refraction: 0.15;
    --glass-depth: 0px;
    --glass-saturation: 180%;  /* NEW: iOS-like saturation */
    --glass-border-radius: 20px;
}


/* Base glass effect */
.glass {
    background: rgba(255, 255, 255, var(--glass-refraction));
    backdrop-filter: blur(var(--glass-blur)) saturate(var(--glass-saturation));
    -webkit-backdrop-filter: blur(var(--glass-blur)) saturate(var(--glass-saturation));
    border-radius: var(--glass-border-radius);
    border: 1px solid rgba(255, 255, 255, 0.3);
    box-shadow: 
        0 8px 32px rgba(0, 0, 0, 0.1),
        inset 0 1px 0 rgba(255, 255, 255, 0.5),
        inset 0 -1px 0 rgba(255, 255, 255, 0.1),
        inset 0 0 var(--glass-depth) 5px rgba(255, 255, 255, 0.1);
    position: relative;
    overflow: hidden;
}

/* Top edge gradient shine */
.glass::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 1px;
    background: linear-gradient(
        90deg,
        transparent,
        rgba(255, 255, 255, 0.8),
        transparent
    );
    pointer-events: none;
}

/* Left edge gradient highlight */
.glass::after {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 1px;
    height: 100%;
    background: linear-gradient(
        180deg,
        rgba(255, 255, 255, 0.8),
        transparent,
        rgba(255, 255, 255, 0.3)
    );
    pointer-events: none;
}

/* Glass hover effect */
.glass-hover {
    transition: all 0.3s ease;
}

.glass-hover:hover {
    background: rgba(255, 255, 255, calc(var(--glass-refraction) + 0.05));
    border-color: rgba(255, 255, 255, 0.5);
    transform: translateY(-2px);
    box-shadow: 
        0 12px 40px rgba(0, 0, 0, 0.15),
        inset 0 1px 0 rgba(255, 255, 255, 0.6),
        inset 0 -1px 0 rgba(255, 255, 255, 0.15),
        inset 0 0 var(--glass-depth) 5px rgba(255, 255, 255, 0.15);
}

/* Glass Settings Panel */
.glass-settings-panel {
    position: fixed;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
    width: 520px;
    max-width: 90vw;
    max-height: 70vh;
    z-index: 10000;
    padding: 32px;
    opacity: 0;
    visibility: hidden;
    transition: all 0.3s ease;
}

.glass-settings-panel.visible {
    opacity: 1;
    visibility: visible;
}

/* Panel header */
.glass-panel-header {
    position: relative; /* For absolute positioning close button */
    display: flex;
    justify-content: center; /* Center title */
    align-items: center;
    gap: 20px;
    margin-bottom: 32px;
}


.glass-panel-title {
    font-size: 16px;
    font-weight: 600;
    color: white;
    cursor: pointer;
    transition: all 0.3s ease;
    user-select: none;
    background: rgba(255, 255, 255, 0.2);
    padding: 10px 20px;
    border-radius: 25px;
    border: 1px solid rgba(255, 255, 255, 0.3);
    display: inline-flex;
    align-items: center;
    gap: 8px;
}

.glass-panel-title:hover {
    background: rgba(255, 255, 255, 0.3);
    border-color: rgba(255, 255, 255, 0.5);
    transform: scale(1.05);
}


.glass-panel-close {
    position: absolute;
    top: 0;
    right: 0;
    width: 32px;
    height: 32px;
    border: 2px solid rgba(255, 255, 255, 0.5);
    background: rgba(255, 255, 255, 0.1);
    border-radius: 8px;
    color: white;
    font-size: 20px;
    cursor: pointer;
    display: flex;
    align-items: center;
    justify-content: center;
    transition: all 0.2s;
}

.glass-panel-close:hover {
    background: rgba(255, 255, 255, 0.2);
    border-color: rgba(255, 255, 255, 0.7);
}

/* Sliders container */
.glass-sliders {
    display: flex;
    justify-content: space-around;
    align-items: flex-end;
    gap: 40px;
    margin-top: 20px;
}

/* Individual slider wrapper */
.glass-slider-wrapper {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 12px;
}

.glass-slider-label {
    font-size: 14px;
    font-weight: 600;
    color: rgba(255, 255, 255, 0.9);
    text-align: center;
}

.glass-slider-value {
    font-size: 18px;
    font-weight: 700;
    color: white;
    min-width: 60px;
    text-align: center;
}

/* Vertical slider */
.glass-slider {
    -webkit-appearance: slider-vertical;
    writing-mode: bt-lr;
    width: 8px;
    height: 180px;
    background: rgba(255, 255, 255, 0.2);
    border-radius: 4px;
    outline: none;
    cursor: pointer;
}

/* Webkit browsers (Chrome, Safari, Edge) */
.glass-slider::-webkit-slider-thumb {
    -webkit-appearance: none;
    appearance: none;
    width: 24px;
    height: 24px;
    border-radius: 50%;
    background: white;
    cursor: pointer;
    box-shadow: 0 2px 8px rgba(0, 0, 0, 0.3);
    transition: all 0.2s;
}

.glass-slider::-webkit-slider-thumb:hover {
    transform: scale(1.1);
    box-shadow: 0 4px 12px rgba(0, 0, 0, 0.4);
}

/* Firefox */
.glass-slider::-moz-range-thumb {
    width: 24px;
    height: 24px;
    border-radius: 50%;
    background: white;
    cursor: pointer;
    border: none;
    box-shadow: 0 2px 8px rgba(0, 0, 0, 0.3);
    transition: all 0.2s;
}

.glass-slider::-moz-range-thumb:hover {
    transform: scale(1.1);
    box-shadow: 0 4px 12px rgba(0, 0, 0, 0.4);
}

/* Firefox track */
.glass-slider::-moz-range-track {
    background: rgba(255, 255, 255, 0.2);
    border-radius: 4px;
}

/* Min/Max labels */
.glass-slider-limits {
    font-size: 11px;
    color: rgba(255, 255, 255, 0.6);
    text-align: center;
    margin-top: 8px;
}

/* Mobile adjustments */
@media (max-width: 768px) {
    .glass-settings-panel {
        width: 90vw;
        padding: 24px;
    }
    
    .glass-panel-title {
        font-size: 20px;
    }
    
    .glass-sliders {
        gap: 24px;
    }
    
    .glass-slider {
        height: 150px;
    }
    
    .glass-slider-value {
        font-size: 16px;
    }
}

/* Hidden utility */
.glass-hidden {
    display: none !important;
}