/* Concrete Calculator - Premium Styling */

.apple-glass {
    background: rgba(255, 255, 255, 0.025);
    backdrop-filter: blur(20px);
    -webkit-backdrop-filter: blur(20px);
    border: 1px solid rgba(255, 255, 255, 0.07);
}

html:not(.dark) .apple-glass {
    background: rgba(255, 255, 255, 0.95);
    border: 1px solid rgba(0, 0, 0, 0.08);
    box-shadow: 0 10px 30px -5px rgba(0, 0, 0, 0.05);
}

.custom-input {
    background: rgba(0, 0, 0, 0.35);
    border: 1px solid rgba(255, 255, 255, 0.1);
    color: #f4f4f5;
    transition: all 0.2s ease-in-out;
}

html:not(.dark) .custom-input {
    background: #ffffff;
    border: 1px solid #d4d4d8;
    color: #18181b;
}

.custom-input:focus {
    border-color: #71717a;
    outline: none;
    box-shadow: 0 0 14px rgba(113, 113, 122, 0.25);
}

/* Custom Range Sliders */
input[type="range"] {
    -webkit-appearance: none;
    appearance: none;
    width: 100%;
    height: 6px;
    background: rgba(255, 255, 255, 0.1);
    border-radius: 9999px;
    outline: none;
}

html:not(.dark) input[type="range"] {
    background: #e4e4e7;
}

input[type="range"]::-webkit-slider-thumb {
    -webkit-appearance: none;
    appearance: none;
    width: 18px;
    height: 18px;
    border-radius: 50%;
    background: #71717a;
    cursor: pointer;
    transition: transform 0.1s ease;
}

input[type="range"]::-webkit-slider-thumb:hover {
    transform: scale(1.2);
}

.preset-active {
    background: rgba(113, 113, 122, 0.25) !important;
    border-color: rgba(113, 113, 122, 0.6) !important;
    color: #e4e4e7 !important;
    font-weight: 700;
}

html:not(.dark) .preset-active {
    background: rgba(113, 113, 122, 0.1) !important;
    border-color: rgba(113, 113, 122, 0.3) !important;
    color: #27272a !important;
}

/* Material Ratios Progress Bars */
.ratio-bar-container {
    height: 10px;
    display: flex;
    overflow: hidden;
    background: rgba(255, 255, 255, 0.05);
    border-radius: 9999px;
}

html:not(.dark) .ratio-bar-container {
    background: #e4e4e7;
}

.ratio-bar-cement {
    background: #9ca3af; /* Gray */
}

.ratio-bar-sand {
    background: #fbbf24; /* Amber sand */
}

.ratio-bar-aggregate {
    background: #6b7280; /* Dark slate gravel */
}