/* Fraction Calculator Custom 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: #10b981;
    outline: none;
    box-shadow: 0 0 14px rgba(16, 185, 129, 0.25);
}

.op-btn {
    background: rgba(255, 255, 255, 0.04);
    color: #a1a1aa;
    border: 1px solid rgba(255, 255, 255, 0.08);
    transition: all 0.2s ease;
}

html:not(.dark) .op-btn {
    background: #f4f4f5;
    color: #3f3f46;
    border: 1px solid #e4e4e7;
}

.op-btn-active {
    background: linear-gradient(135deg, #10b981 0%, #059669 100%) !important;
    color: #ffffff !important;
    border-color: rgba(16, 185, 129, 0.5) !important;
    box-shadow: 0 4px 15px rgba(16, 185, 129, 0.35);
}

.fraction-display {
    display: inline-flex;
    flex-direction: column;
    align-items: center;
    vertical-align: middle;
    line-height: 1.1;
}

.fraction-numerator {
    border-bottom: 2px solid currentColor;
    padding-bottom: 2px;
    width: 100%;
    text-align: center;
}

.fraction-denominator {
    padding-top: 2px;
    width: 100%;
    text-align: center;
}

.result-card-glow {
    background: radial-gradient(circle at top right, rgba(16, 185, 129, 0.12), transparent 70%);
}

.step-box {
    background: rgba(16, 185, 129, 0.05);
    border-left: 3px solid #10b981;
}

html:not(.dark) .step-box {
    background: rgba(16, 185, 129, 0.08);
    border-left: 3px solid #059669;
}