/* Modern Form Fields */
.form-group label {
    font-weight: 600;
    margin-bottom: 0.5rem;
    color: #344767;
}

.form-control,
.select2-container--classic .select2-selection--single,
.select2-container--classic .select2-selection--multiple {
    border: 1px solid #d2d6da !important;
    border-radius: 0.5rem !important;
    padding: 0.5rem 0.75rem !important;
    transition: all 0.2s ease;
    height: auto !important;
}

.form-control:focus {
    border-color: #35446e;
    box-shadow: 0 0 0 2px rgba(53, 68, 110, 0.25);
}

/* Custom File Upload Area */
.upload-container {
    border: 2px dashed #d2d6da;
    border-radius: 12px;
    padding: 2rem;
    text-align: center;
    background: #f8f9fa;
    transition: all 0.3s ease;
    cursor: pointer;
    position: relative;
}

.upload-container:hover,
.upload-container.dragover {
    border-color: #35446e;
    background: #f0f2f5;
}

.upload-container i {
    font-size: 2.5rem;
    color: #35446e;
    display: block;
    margin-bottom: 1rem;
}

/* File Preview Area */
.file-preview-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(100px, 1fr));
    gap: 15px;
}

.file-preview {
    position: relative;
    border-radius: 8px;
    overflow: hidden;
    aspect-ratio: 1/1;
    border: 1px solid #e9ecef;
    background: #fff;
}

.file-preview img {
    width: 100%;
    height: 100%;
    object-fit: cover;
}

.file-preview .pdf-icon {
    width: 100%;
    height: 100%;
    display: flex;
    align-items: center;
    justify-content: center;
    background: #fdf2f2;
    color: #dc3545;
    font-size: 2rem;
}

.file-preview .remove-btn {
    position: absolute;
    top: 5px;
    right: 5px;
    background: rgba(220, 35, 69, 0.9);
    color: white;
    border: none;
    border-radius: 50%;
    width: 24px;
    height: 24px;
    display: flex;
    align-items: center;
    justify-content: center;
    cursor: pointer;
    transition: transform 0.2s ease;
    z-index: 10;
}

.file-preview .remove-btn:hover {
    transform: scale(1.1);
}

.file-preview .file-info {
    position: absolute;
    bottom: 0;
    left: 0;
    right: 0;
    background: rgba(0, 0, 0, 0.6);
    color: white;
    font-size: 0.7rem;
    padding: 2px 5px;
    white-space: nowrap;
    overflow: hidden;
    text-overflow: ellipsis;
}

/* Selection State Styling */
input:required:invalid,
textarea:required:invalid,
select:required:invalid {
    border: 1px solid #d2d6da;
}

input:focus:invalid,
textarea:focus:invalid,
select:focus:invalid {
    border-color: #dc3545;
    box-shadow: 0 0 0 2px rgba(220, 53, 69, 0.25);
}

input:required:valid,
textarea:required:valid,
select:required:valid {
    border-color: #2dce89;
}

/* Existing utility and package styles preserved/enhanced below */
.package-card {
    cursor: pointer;
    display: block;
    border-radius: 12px;
    transition: all 0.25s ease-in-out;
}

.package-card .card {
    border-radius: 12px;
    border: 2px solid transparent;
    transition: all 0.3s ease;
}

.package-card:hover .card {
    transform: translateY(-4px);
    border-color: rgba(53, 68, 110, 0.15);
    box-shadow: 0 10px 20px rgba(0, 0, 0, 0.05);
}

.btn-check:checked+.package-card .card {
    border: 2px solid #35446e !important;
    box-shadow: 0 8px 16px rgba(53, 68, 110, 0.15) !important;
    background-color: #f0f4ff !important;
    transform: translateY(-5px);
}

.btn-check:checked+.package-card .card h5 {
    color: #35446e !important;
}

.transition-all {
    transition: all 0.3s ease-in-out;
}