/* General & Typography */
body {
    font-family: 'Inter', sans-serif;
    background-color: #F9FAFB;
    color: #1F2937;
    padding-top: 56px; /* Offset for fixed navbar */
}

h1, h2, h3, h4, h5, h6 {
    font-family: 'Georgia', serif;
}

/* Navbar */
.navbar {
    box-shadow: 0 2px 4px rgba(0,0,0,0.05);
}

.navbar-brand {
    font-family: 'Georgia', serif;
    font-weight: 700;
    font-size: 1.5rem;
}

/* Hero Section */
.hero {
    position: relative;
    padding: 8rem 0;
    background-image: linear-gradient(rgba(0, 0, 0, 0.5), rgba(0, 0, 0, 0.5)), url('https://picsum.photos/seed/medhero/1600/900');
    background-size: cover;
    background-position: center;
    background-attachment: fixed;
}

.hero h1 {
    font-weight: 700;
}

/* Buttons */
.btn-primary {
    background-color: #3B82F6;
    border-color: #3B82F6;
    padding: 0.75rem 1.5rem;
    border-radius: 0.5rem;
    transition: all 0.3s ease;
}

.btn-primary:hover {
    background-color: #2563EB;
    border-color: #2563EB;
    transform: translateY(-2px);
    box-shadow: 0 4px 12px rgba(0,0,0,0.1);
}

/* Cards */
.card {
    border: none;
    border-radius: 1rem;
    transition: transform 0.3s ease, box-shadow 0.3s ease;
}

.card:hover {
    transform: translateY(-5px);
    box-shadow: 0 8px 20px rgba(0,0,0,0.08);
}

#checker .card {
    border-radius: 1rem;
}

/* Forms */
.form-control {
    border-radius: 0.5rem;
    padding: 0.75rem;
}

.form-control:focus {
    box-shadow: 0 0 0 0.25rem rgba(59, 130, 246, 0.25);
    border-color: #3B82F6;
}

/* Interaction Result */
#interaction-result .alert {
    border-radius: 0.5rem;
}

.alert-success {
    background-color: #E0F2F1; /* Lighter green */
    color: #0D6B61;
    border-color: #B2DFDB;
}

.alert-warning {
    background-color: #FFF3E0; /* Lighter orange */
    color: #A65B00;
    border-color: #FFE0B2;
}

.alert-danger {
    background-color: #FFEBEE; /* Lighter red */
    color: #B71C1C;
    border-color: #FFCDD2;
}

/* Footer */
footer a:hover {
    text-decoration: underline;
}

/* Expiry Tracker */
#medicine-list-container .list-group-item {
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.expiry-date {
    font-weight: 500;
}

.expiry-soon {
    color: #A65B00; /* Orange from alert-warning */
}

.expired {
    color: #B71C1C; /* Red from alert-danger */
}

#medicine-list-container .btn-sm {
    --bs-btn-padding-y: .2rem;
    --bs-btn-padding-x: .4rem;
    --bs-btn-font-size: .75rem;
}