/* General Body Styles */
body {
    font-family: 'Poppins', sans-serif;
    background-color: #f8f9fa;
    color: #343a40;
    display: flex;
    flex-direction: column;
    min-height: 100vh;
}

/* Navbar */
.navbar {
    box-shadow: 0 2px 4px rgba(0,0,0,.1);
}

.navbar-brand {
    font-weight: 600;
}

/* Main Content Area */
.content-wrapper {
    flex: 1;
}

/* Hero Section on Homepage */
.hero {
    padding: 6rem 0;
    background: linear-gradient(135deg, #0d6efd, #6f42c1);
    color: white;
}

.hero h1 {
    font-weight: 700;
}

.hero .lead {
    font-size: 1.25rem;
    opacity: 0.9;
}

/* Feature Cards */
.feature-card {
    border: none;
    border-radius: 0.75rem;
    transition: transform 0.2s ease-in-out, box-shadow 0.2s ease-in-out;
}

.feature-card:hover {
    transform: translateY(-5px);
    box-shadow: 0 8px 25px rgba(0,0,0,.15);
}

.feature-card .card-title {
    color: #0d6efd;
    font-weight: 600;
}

/* Converter Form */
.converter-card {
    border: none;
    border-radius: 0.75rem;
    box-shadow: 0 4px 15px rgba(0,0,0,.1);
}

.form-label {
    font-weight: 500;
}

/* Custom File Input */
.file-drop-area {
    position: relative;
    display: block;
    padding: 2rem;
    border: 2px dashed #ced4da;
    border-radius: 0.5rem;
    text-align: center;
    transition: border-color 0.2s;
}

.file-drop-area:hover {
    border-color: #0d6efd;
}

.file-drop-area input[type=file] {
    position: absolute;
    width: 100%;
    height: 100%;
    top: 0;
    left: 0;
    opacity: 0;
    cursor: pointer;
}

/* Footer */
.footer {
    background-color: #e9ecef;
    padding: 1.5rem 0;
}

/* Buttons */
.btn-primary {
    transition: background-color 0.2s, transform 0.2s;
}

.btn-primary:hover {
    transform: translateY(-2px);
}

/* Utility class for icons */
.text-primary-light {
    color: var(--bs-primary);
    opacity: .75;
}