/* Container styles */
#custom-calculator {
    max-width: 450px;
    margin: 30px auto;
    padding: 32px;
    border-radius: 16px;
    background: linear-gradient(145deg, #ffffff, #f8fafc);
    box-shadow: 
        0 20px 40px rgba(0, 0, 0, 0.08),
        0 1px 3px rgba(0, 0, 0, 0.1);
    font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, Oxygen-Sans, Ubuntu, Cantarell, "Helvetica Neue", sans-serif;
    position: relative;
    overflow: hidden;
}

/* Decorative gradient accent */
#custom-calculator::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 4px;
    background: linear-gradient(90deg, #3b82f6, #2563eb, #1d4ed8);
}

/* Form styles */
#calculator-form {
    display: flex;
    flex-direction: column;
    gap: 24px;
}

/* Section title */
/* #calculator-form::before {
    content: 'Financial Calculator';
    display: block;
    font-size: 24px;
    font-weight: 600;
    color: #1e293b;
    margin-bottom: 8px;
    letter-spacing: -0.5px;
} */

/* Input group styling */
#calculator-form > div {
    position: relative;
}

/* Label styles */
#calculator-form label {
    display: block;
    margin-bottom: 8px;
    font-weight: 500;
    color: #475569;
    font-size: 13px;
    text-transform: uppercase;
    letter-spacing: 0.7px;
}

/* Input styles */
#calculator-form input[type="number"] {
    width: 100%;
    padding: 14px 18px;
    font-size: 16px;
    border: 2px solid #e2e8f0;
    border-radius: 10px;
    background-color: #f8fafc;
    transition: all 0.2s ease-in-out;
    box-sizing: border-box;
    color: #1e293b;
    font-weight: 500;
}

/* Input focus states */
#calculator-form input[type="number"]:focus {
    outline: none;
    border-color: #3b82f6;
    background-color: #ffffff;
    box-shadow: 
        0 0 0 4px rgba(59, 130, 246, 0.1),
        0 1px 2px rgba(0, 0, 0, 0.05);
}

/* Remove spinner buttons from number inputs */
#calculator-form input[type="number"]::-webkit-inner-spin-button,
#calculator-form input[type="number"]::-webkit-outer-spin-button {
    -webkit-appearance: none;
    margin: 0;
}

#calculator-form input[type="number"] {
    -moz-appearance: textfield;
}

/* Currency/percentage indicators */
#calculator-form input[type="number"] {
    padding-left: 35px;
}

/* Add currency/percentage symbols */
#calculator-form div:not(:has(input[id="margin"])):not(:has(button[id="clear-btn"])):not(:has(select))::after {
    content: "$";
    position: absolute;
    left: 16px;
    top: 40px;
    color: #64748b;
    font-size: 15px;
    font-weight: 600;
    opacity: 0.8;
}

#calculator-form div:has(input[id="margin"])::after {
    content: "%";
    position: absolute;
    left: 16px;
    top: 40px;
    color: #64748b;
    font-size: 15px;
    font-weight: 600;
    opacity: 0.8;
}

/* Input group hover effect */
#calculator-form > div:hover input {
    border-color: #cbd5e1;
    background-color: #ffffff;
}

/* Clear button styles */
#clear-btn {
    width: 100%;
    padding: 14px 24px;
    background: linear-gradient(135deg, #46669b, #2563eb);
    color: white;
    border: none;
    border-radius: 10px;
    font-size: 16px;
    font-weight: 600;
    cursor: pointer;
    transition: all 0.2s ease-in-out;
    margin-top: 16px;
    position: relative;
    overflow: hidden;
    text-transform: uppercase;
    letter-spacing: 0.5px;
}

#clear-btn:hover {
    transform: translateY(-1px);
    box-shadow: 
        0 6px 15px rgba(37, 99, 235, 0.25),
        0 2px 4px rgba(37, 99, 235, 0.1);
}

#clear-btn:active {
    transform: translateY(0);
    box-shadow: none;
}

/* Add subtle hover animation to clear button */
#clear-btn::after {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: linear-gradient(135deg, rgba(255,255,255,0.1), rgba(255,255,255,0));
    opacity: 0;
    transition: opacity 0.2s ease-in-out;
}

#clear-btn:hover::after {
    opacity: 1;
}

/* Result highlight effect */
#calculator-form input:not(:placeholder-shown) {
    background-color: #ffffff;
    border-color: #94a3b8;
}

/* Responsive styles */
@media (max-width: 480px) {
    #custom-calculator {
        margin: 15px;
        padding: 24px;
        border-radius: 12px;
    }
    
    #calculator-form::before {
        font-size: 20px;
    }
}

/* Dark mode support */
@media (prefers-color-scheme: dark) {
    #custom-calculator {
        background: linear-gradient(145deg, #1e293b, #0f172a);
        box-shadow: 
            0 20px 40px rgba(0, 0, 0, 0.3),
            0 1px 3px rgba(0, 0, 0, 0.4);
    }
    
    #calculator-form::before {
        color: #f8fafc;
    }
    
    #calculator-form label {
        color: #cbd5e1;
    }
    
    #calculator-form input[type="number"] {
        background-color: #334155;
        border-color: #475569;
        color: #f8fafc;
    }
    
    #calculator-form input[type="number"]:focus {
        background-color: #1e293b;
        border-color: #3b82f6;
    }
    
    #calculator-form > div:hover input {
        background-color: #1e293b;
        border-color: #64748b;
    }
    
    #calculator-form div:has(input[placeholder="$"])::before,
    #calculator-form div:has(input[placeholder="%"])::after {
        color: #94a3b8;
    }
}



/* Container for the select dropdown */
.currency-select-container {
    margin-top: 24px;
    position: relative;
}

/* Label for the select */
.currency-select-container::before {
    content: 'Select Currency';
    display: block;
    margin-bottom: 8px;
    font-weight: 500;
    color: #475569;
    font-size: 13px;
    text-transform: uppercase;
    letter-spacing: 0.7px;
}

/* Base select styling */
.currency-select {
    width: 100%;
    padding: 14px 18px;
    font-size: 16px;
    border: 2px solid #e2e8f0;
    border-radius: 10px;
    background-color: #f8fafc;
    color: #1e293b;
    font-weight: 500;
    cursor: pointer;
    appearance: none;
    -webkit-appearance: none;
    -moz-appearance: none;
    transition: all 0.2s ease-in-out;
}

/* Custom dropdown arrow */
.currency-select-container::after {
    content: '';
    position: absolute;
    right: 16px;
    top: 65%;
    width: 10px;
    height: 10px;
    border-right: 2px solid #64748b;
    border-bottom: 2px solid #64748b;
    transform: translateY(-50%) rotate(45deg);
    pointer-events: none;
    transition: all 0.2s ease-in-out;
}

/* Hover states */
.currency-select:hover {
    border-color: #cbd5e1;
    background-color: #ffffff;
}

.currency-select:hover + .currency-select-container::after {
    border-color: #475569;
}

/* Focus states */
.currency-select:focus {
    outline: none;
    border-color: #3b82f6;
    background-color: #ffffff;
    box-shadow: 
        0 0 0 4px rgba(59, 130, 246, 0.1),
        0 1px 2px rgba(0, 0, 0, 0.05);
}

/* Style the options (works in Firefox) */
.currency-select option {
    padding: 12px;
    font-size: 15px;
    background-color: #ffffff;
    color: #1e293b;
}

/* Dark mode support */
@media (prefers-color-scheme: dark) {
    .currency-select-container::before {
        color: #cbd5e1;
    }

    .currency-select {
        background-color: #334155;
        border-color: #475569;
        color: #f8fafc;
    }
    
    .currency-select:hover {
        background-color: #1e293b;
        border-color: #64748b;
    }
    
    .currency-select:focus {
        border-color: #3b82f6;
        background-color: #1e293b;
    }
    
    .currency-select-container::after {
        border-color: #94a3b8;
    }
    
    .currency-select option {
        background-color: #1e293b;
        color: #f8fafc;
    }
}

/* Optional: Add a subtle animation when opening the dropdown */
.currency-select:focus + .currency-select-container::after {
    transform: translateY(-50%) rotate(225deg);
}