html, body {
    font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', 'Inter', 'Helvetica Neue', Arial, sans-serif;
    background-color: #f8f9fa;
    color: #212529;
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
}

a, .btn-link {
    color: #0056b3;
    text-decoration: none;
}

a:hover, .btn-link:hover {
    color: #004085;
    text-decoration: underline;
}

.btn-primary {
    color: #fff;
    background-color: #0d6efd;
    border-color: #0d6efd;
    font-weight: 500;
    transition: all 0.15s ease-in-out;
}

.btn-primary:hover {
    background-color: #0b5ed7;
    border-color: #0a58ca;
}

.btn:focus, .btn:active:focus, .btn-link.nav-link:focus, .form-control:focus, .form-check-input:focus {
    box-shadow: 0 0 0 0.2rem rgba(13, 110, 253, 0.25);
    outline: none;
}

.content {
    padding-top: 1.1rem;
}

h1:focus {
    outline: none;
}

.valid.modified:not([type=checkbox]) {
    outline: 1px solid #198754;
}

.invalid {
    outline: 1px solid #dc3545;
}

.validation-message {
    color: #dc3545;
    font-size: 0.875rem;
}

.blazor-error-boundary {
    background: url(data:image/svg+xml;base64,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) no-repeat 1rem/1.8rem, #dc3545;
    padding: 1rem 1rem 1rem 3.7rem;
    color: white;
}

.blazor-error-boundary::after {
    content: "An error has occurred."
}

#blazor-error-ui {
    display: none !important;
}

.darker-border-checkbox.form-check-input {
    border-color: #6c757d;
}

.form-floating > .form-control-plaintext::placeholder, .form-floating > .form-control::placeholder {
    color: var(--bs-secondary-color);
    text-align: end;
}

.form-floating > .form-control-plaintext:focus::placeholder, .form-floating > .form-control:focus::placeholder {
    text-align: start;
}

/* ============================================
   NAVBAR LOGO STYLING
   ============================================ */

.navbar-logo {
    height: 24px;
    width: 24px;
    margin-right: 8px;
    vertical-align: middle;
    display: inline-block;
}

.navbar-brand {
    display: flex;
    align-items: center;
    font-weight: 600;
}

/* ============================================
   PROFESSIONAL BUSINESS STYLING
   ============================================ */

.alert {
    border: 1px solid transparent;
    background-color: #fff;
    box-shadow: 0 1px 3px rgba(0, 0, 0, 0.12);
}

.alert-danger {
    background-color: #f8d7da;
    border-color: #f5c2c7;
    color: #842029;
}

.alert-warning {
    background-color: #fff3cd;
    border-color: #ffecb5;
    color: #664d03;
}

.homepage {
    background-color: #ffffff;
}

.page-header {
    background-color: #ffffff;
    border-bottom: 1px solid #dee2e6;
    box-shadow: 0 1px 2px rgba(0, 0, 0, 0.05);
}

.header-btn {
    background-color: #ffffff;
    border: 1px solid #ced4da;
    color: #495057;
    transition: all 0.15s ease-in-out;
    font-weight: 500;
}

.header-btn:hover {
    background-color: #f8f9fa;
    border-color: #adb5bd;
    color: #212529;
    box-shadow: 0 1px 2px rgba(0, 0, 0, 0.05);
}

.header-btn-primary {
    background-color: #0d6efd;
    border-color: #0d6efd;
    color: #ffffff;
}

.header-btn-primary:hover {
    background-color: #0b5ed7;
    border-color: #0a58ca;
}

.header-btn:disabled {
    opacity: 0.65;
    cursor: not-allowed;
}

.progress {
    background-color: #e9ecef;
    border: 1px solid #dee2e6;
}

.progress-bar {
    transition: width 0.3s ease;
}

.bg-success {
    background-color: #198754 !important;
}

.bg-warning {
    background-color: #ffc107 !important;
}

.bg-danger {
    background-color: #dc3545 !important;
}

.page-body > div:first-child {
    background-color: #ffffff;
    border: 1px solid #dee2e6;
    box-shadow: 0 1px 2px rgba(0, 0, 0, 0.05);
}

.title h4 {
    color: #212529;
    font-weight: 600;
    border-bottom: 2px solid #dee2e6;
}

.address-input {
    border: 1px solid #ced4da;
    background-color: #ffffff;
    transition: border-color 0.15s ease-in-out, box-shadow 0.15s ease-in-out;
}

.address-input:focus {
    border-color: #86b7fe;
    background-color: #ffffff;
    box-shadow: 0 0 0 0.2rem rgba(13, 110, 253, 0.25);
}

.address-input.input-required {
    border-color: #dc3545;
    background-color: #ffffff;
}

.address-input.input-required:focus {
    box-shadow: 0 0 0 0.2rem rgba(220, 53, 69, 0.25);
}

.warning-message {
    background-color: #fff3cd;
    border-left: 3px solid #ffc107;
    color: #664d03;
}

.parameter-checkbox {
    border: 1px solid #ced4da;
}

.parameter-checkbox:checked {
    background-color: #0d6efd;
    border-color: #0d6efd;
}

.spreadsheet-wrapper {
    background-color: #ffffff;
    border: 1px solid #dee2e6;
    box-shadow: 0 1px 2px rgba(0, 0, 0, 0.05);
}

.spreadsheet-container {
    background-color: #ffffff;
}

/* ============================================
   PROFESSIONAL EXCEL/JSPREADSHEET STYLING
   ============================================ */

.jexcel_container {
    width: 100% !important;
}

.jexcel table {
    width: 100% !important;
    table-layout: fixed !important;
    border-collapse: collapse !important;
}

.jexcel_content {
    width: 100% !important;
}

.jexcel_tabs {
    background-color: #f8f9fa;
    border-bottom: 1px solid #dee2e6;
}

.jexcel_tabs div {
    border: 1px solid transparent;
    background-color: transparent;
    color: #495057;
    font-weight: 500;
}

.jexcel_tabs div:hover {
    background-color: #e9ecef;
    color: #212529;
}

.jexcel_tabs div.selected {
    background-color: #ffffff;
    border-color: #dee2e6;
    border-bottom-color: #ffffff;
    color: #0d6efd;
    font-weight: 600;
}

.jexcel thead td {
    background-color: #f8f9fa;
    color: #212529;
    font-weight: 600;
    border: 1px solid #dee2e6;
    text-align: left;
}

.jexcel tbody td:first-child,
.jexcel thead td:first-child {
    background-color: #f8f9fa;
    font-weight: 500;
    color: #6c757d;
    border-right: 1px solid #dee2e6;
    text-align: center;
}

.jexcel tbody td {
    background-color: #ffffff;
    border: 1px solid #e9ecef;
    color: #212529;
}

.jexcel tbody tr:nth-child(even) td:not(:first-child) {
    background-color: #f8f9fa;
}

.jexcel tbody td:hover {
    background-color: #e9ecef;
}

.jexcel tbody td.highlight,
.jexcel tbody td.highlight-selected {
    background-color: #cfe2ff;
    border: 1px solid #0d6efd;
}

.jexcel tbody td.edition {
    background-color: #ffffff;
    border: 1px solid #0d6efd;
    box-shadow: 0 0 0 0.2rem rgba(13, 110, 253, 0.25);
}

.jexcel tbody td.edition input {
    border: none;
    outline: none;
    color: #212529;
}

.jexcel tbody td.readonly {
    background-color: #f8f9fa;
    color: #6c757d;
}

.jexcel_footer {
    background-color: #f8f9fa;
    border-top: 1px solid #dee2e6;
}

.jexcel_contextmenu {
    box-shadow: 0 2px 8px rgba(0, 0, 0, 0.15);
    border: 1px solid #dee2e6;
    background-color: #ffffff;
}

.jexcel_contextmenu a {
    color: #212529;
    font-weight: 400;
}

.jexcel_contextmenu a:hover {
    background-color: #f8f9fa;
    color: #0d6efd;
}

.jexcel_content::-webkit-scrollbar {
    width: 12px;
    height: 12px;
}

.jexcel_content::-webkit-scrollbar-track {
    background-color: #f8f9fa;
}

.jexcel_content::-webkit-scrollbar-thumb {
    background-color: #adb5bd;
    border: 2px solid #f8f9fa;
}

.jexcel_content::-webkit-scrollbar-thumb:hover {
    background-color: #6c757d;
}

.loading-overlay {
    background-color: rgba(255, 255, 255, 0.95);
}

.spinner {
    border: 3px solid #e9ecef;
    border-top-color: #0d6efd;
}

.loading-spinner p {
    color: #212529;
    font-weight: 500;
}