/* Container Box */
.cgpa-wrapper {
    background: #ffffff;
    border: 1px solid #e5e7eb;
    padding: 25px;
    border-radius: 12px;
    max-width: 450px; /* Limits width so it doesn't stretch too far */
    margin: 30px auto; /* Centers the box */
    box-shadow: 0 4px 6px -1px rgba(0, 0, 0, 0.1), 0 2px 4px -1px rgba(0, 0, 0, 0.06);
    font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, Helvetica, Arial, sans-serif;
}

/* Header */
.cgpa-wrapper h3 {
    text-align: center;
    margin-top: 0;
    margin-bottom: 20px;
    font-size: 1.5rem;
    color: #1f2937;
    border-bottom: 2px solid #f3f4f6;
    padding-bottom: 15px;
}

/* Form Fields */
.cgpa-field {
    margin-bottom: 20px;
    display: flex;       /* Flexbox to handle layout */
    flex-direction: column; /* Stacks label on top of input */
    align-items: flex-start; /* Aligns items to the left */
}

.cgpa-field label {
    display: block;
    font-weight: 600;
    margin-bottom: 8px;
    color: #374151;
    font-size: 0.95rem;
}

.cgpa-field select, 
.cgpa-field input {
    width: 100%;           /* Full width */
    padding: 10px 12px;
    border: 1px solid #d1d5db;
    border-radius: 6px;
    font-size: 1rem;
    background-color: #fff;
    box-sizing: border-box; /* Ensures padding doesn't break width */
    transition: border-color 0.15s ease-in-out;
}

.cgpa-field select:focus,
.cgpa-field input:focus {
    outline: none;
    border-color: #2563eb;
    box-shadow: 0 0 0 3px rgba(37, 99, 235, 0.1);
}

/* Button */
#cgpa_btn {
    width: 100%;
    padding: 12px;
    background-color: #2563eb;
    color: #ffffff;
    border: none;
    border-radius: 6px;
    font-size: 1rem;
    font-weight: 600;
    cursor: pointer;
    transition: background-color 0.2s;
    margin-top: 10px;
}

#cgpa_btn:hover {
    background-color: #1d4ed8;
}

#cgpa_btn:disabled {
    background-color: #93c5fd;
    cursor: not-allowed;
}

/* Result Box */
#cgpa_result {
    margin-top: 25px;
    text-align: center;
    padding: 20px;
    background-color: #ecfdf5;
    border: 1px solid #d1fae5;
    border-radius: 8px;
    color: #065f46;
}

.cgpa-percent {
    display: block;
    font-size: 2.5rem;
    font-weight: 800;
    color: #059669;
    line-height: 1.2;
}

#cgpa_formula {
    display: block;
    margin-top: 8px;
    font-size: 0.875rem;
    color: #6b7280;
}