@import url('https://fonts.googleapis.com/css2?family=Poppins:wght@400;600&display=swap');

:root {
    --primary-color: #007bff;
    --secondary-color: #0056b3;
    --background-color: #f0f2f5;
    --card-background: #ffffff;
    --text-color: #333;
    --light-text-color: #666;
    --border-radius: 15px;
    --box-shadow: 0 10px 25px rgba(0, 0, 0, 0.1);
}

body {
    font-family: 'Poppins', sans-serif;
    background-color: var(--background-color);
    margin: 0;
    display: flex;
    flex-direction: column;
    min-height: 100vh;
}

main {
    flex-grow: 1;
    display: flex;
    justify-content: center;
    align-items: center;
    padding: 20px;
}

.age-calculator-card {
    background-color: var(--card-background);
    border-radius: var(--border-radius);
    box-shadow: var(--box-shadow);
    width: 100%;
    max-width: 500px;
}

.card-header {
    background: #0c895b;
    color: white;
    padding: 25px;
    text-align: center;
}

.card-header h1 {
    margin: 0;
    font-size: 1.8rem;
}

.card-body {
    padding: 30px;
}

.date-inputs {
    display: flex;
    flex-direction: column;
    gap: 20px;
    margin-bottom: 25px;
}

@media (min-width: 576px) {
    .date-inputs {
        flex-direction: row;
    }
}

.input-group {
    position: relative;
    width: 100%;
}

.input-group label {
    display: block;
    margin-bottom: 10px;
    font-weight: 600;
    color: var(--light-text-color);
}

.input-group input[type="text"] {
    width: 100%;
    padding: 12px 40px 12px 12px; /* আইকনের জন্য জায়গা*/
    border: 1px solid #ccc;
    border-radius: 8px;
    font-family: 'Poppins', sans-serif;
    font-size: 1rem;
    box-sizing: border-box;
}

.input-group::after {
    content: '📅'; /* ক্যালেন্ডার আইকন */
    position: absolute;
    right: 12px;
    top: 50%;
    transform: translateY(25%);
    pointer-events: none;
}

/* ক্যালেন্ডার পপ-আপের স্টাইল */
.flatpickr-calendar .flatpickr-day.selected {
    background: var(--primary-color);
    border-color: var(--primary-color);
}

#calculate-btn {
    width: 100%;
    padding: 15px;
    background: #0c895b;
    color: white;
    border: none;
    border-radius: 8px;
    font-size: 1.1rem;
    font-weight: 600;
    cursor: pointer;
    transition: background-color 0.3s ease;
}

/* বাকি সব স্টাইল একই থাকবে */