/* Initial Filter Page */
/* Loading spinner */
.loading-spinner {
    position: absolute;
    right: 30px;
    top: 35px;
    color: #1a73e8;
    font-size: 1.2em;
    z-index: 10;
}

.filter-page {
    display: flex;
    justify-content: center;
    align-items: center;
    min-height: 100vh;
    background: linear-gradient(135deg, #f5f7fa 0%, #e4e8eb 100%);
    padding: 20px;
}

.filter-container {
    background: white;
    padding: 2.5rem;
    border-radius: 12px;
    box-shadow: 0 8px 30px rgba(0, 0, 0, 0.08);
    width: 100%;
    max-width: 650px;
}

.filter-container h2 {
    color: #1a73e8;
    margin-bottom: 2rem;
    font-size: 1.75rem;
    font-weight: 600;
    display: flex;
    align-items: center;
    gap: 0.75rem;
}

.filter-container h2 i {
    font-size: 1.5rem;
}

.filter-form {
    display: flex;
    flex-direction: column;
    gap: 1.5rem;
}

.form-group {
    display: flex;
    flex-direction: column;
    gap: 0.5rem;
    position: relative;
}

.form-group label {
    color: #5f6368;
    font-weight: 500;
    font-size: 0.95rem;
    display: flex;
    align-items: center;
    gap: 0.5rem;
}

.form-group label i {
    color: #1a73e8;
}

/* Select2 Customization for Initial Filter */
#initial-filter .select2-container--classic {
    width: 100% !important;
}

#initial-filter .select2-container--classic .select2-selection--single {
    height: 45px !important;
    border: 2px solid #e8eaed !important;
    border-radius: 8px !important;
    background: white !important;
    transition: all 0.2s ease;
}

#initial-filter .select2-container--classic .select2-selection--single:focus {
    border-color: #1a73e8 !important;
    box-shadow: 0 0 0 3px rgba(26, 115, 232, 0.1) !important;
}

#initial-filter .select2-container--classic .select2-selection--single .select2-selection__rendered {
    line-height: 43px !important;
    padding-left: 15px !important;
    color: #3c4043 !important;
}

#initial-filter .select2-container--classic .select2-selection--single .select2-selection__arrow {
    height: 43px !important;
    border-left: none !important;
    background: none !important;
}

#initial-filter .select2-container--classic .select2-results__option--highlighted[aria-selected] {
    background-color: #1a73e8 !important;
}

#initial-filter .select2-container--classic.select2-container--open .select2-selection--single {
    border-color: #1a73e8 !important;
}

#initial-filter .select2-container--classic .select2-search--dropdown .select2-search__field {
    border-color: #e8eaed !important;
    border-radius: 4px;
    padding: 8px;
}

#initial-filter .select2-container--classic .select2-search--dropdown .select2-search__field:focus {
    border-color: #1a73e8 !important;
    outline: none;
}

#initial-filter .select2-container--classic .select2-results__option {
    padding: 8px 15px !important;
}

/* Button Styles */
#initial-filter .btn {
    padding: 0.875rem 1.5rem;
    border: none;
    border-radius: 8px;
    font-size: 1rem;
    font-weight: 500;
    cursor: pointer;
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 0.5rem;
    transition: all 0.2s ease;
    margin-top: 0.5rem;
    width: 100%;
}

#initial-filter .btn-primary {
    background-color: #1a73e8;
    color: white;
}

#initial-filter .btn-primary:hover {
    background-color: #1557b0;
    box-shadow: 0 2px 6px rgba(26, 115, 232, 0.3);
}

#initial-filter .btn-primary:disabled {
    background-color: #e8eaed;
    cursor: not-allowed;
    color: #80868b;
}

#initial-filter .btn i {
    font-size: 1.1rem;
}

/* Responsive Design */
@media (max-width: 576px) {
    .filter-container {
        padding: 1.5rem;
    }

    .filter-container h2 {
        font-size: 1.5rem;
    }

    #initial-filter .btn {
        padding: 0.75rem 1.25rem;
    }
}