/* ========================================
   BOOTSTRAP REPLACEMENT - Pure CSS
   ======================================== */

/* Reset & Base Styles */
* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

html, body {
    width: 100%;
    height: 100%;
}

body {
    font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
    font-size: 1rem;
    line-height: 1.5;
    color: #212529;
    background-color: #F9FAFB;
}

/* Typography */
h1, h2, h3, h4, h5, h6 {
    margin-bottom: 0.5rem;
    font-weight: 600;
    line-height: 1.2;
    color: inherit;
}

h1 { font-size: 2.5rem; }
h2 { font-size: 2rem; }
h3 { font-size: 1.75rem; }
h4 { font-size: 1.5rem; }
h5 { font-size: 1.25rem; }
h6 { font-size: 1rem; }

.h1 { font-size: 2.5rem !important; }
.h2 { font-size: 2rem !important; }
.h3 { font-size: 1.75rem !important; }
.h4 { font-size: 1.5rem !important; }
.h5 { font-size: 1.25rem !important; }
.h6 { font-size: 1rem !important; }

p {
    margin-bottom: 1rem;
}

a {
    color: #0d6efd;
    text-decoration: none;
}

a:hover {
    text-decoration: underline;
}

/* Container & Grid System */
.container {
    width: 100%;
    padding-right: 15px;
    padding-left: 15px;
    margin-right: auto;
    margin-left: auto;
}

.container-fluid {
    width: 100%;
    padding-right: 15px;
    padding-left: 15px;
    margin-right: auto;
    margin-left: auto;
}

@media (min-width: 576px) {
    .container { max-width: 540px; }
}
@media (min-width: 768px) {
    .container { max-width: 720px; }
}
@media (min-width: 992px) {
    .container { max-width: 960px; }
}
@media (min-width: 1200px) {
    .container { max-width: 1140px; }
}

.row {
    display: flex;
    flex-wrap: wrap;
    margin-right: -15px;
    margin-left: -15px;
}

.col-1, .col-2, .col-3, .col-4, .col-5, .col-6,
.col-7, .col-8, .col-9, .col-10, .col-11, .col-12,
.col-md-1, .col-md-2, .col-md-3, .col-md-4, .col-md-5, .col-md-6,
.col-md-7, .col-md-8, .col-md-9, .col-md-10, .col-md-11, .col-md-12,
.col-lg-1, .col-lg-2, .col-lg-3, .col-lg-4, .col-lg-5, .col-lg-6,
.col-lg-7, .col-lg-8, .col-lg-9, .col-lg-10, .col-lg-11, .col-lg-12 {
    padding-right: 15px;
    padding-left: 15px;
    flex-basis: 0;
    flex-grow: 1;
    max-width: 100%;
}

.col-1 { flex: 0 0 8.333333%; max-width: 8.333333%; }
.col-2 { flex: 0 0 16.666667%; max-width: 16.666667%; }
.col-3 { flex: 0 0 25%; max-width: 25%; }
.col-4 { flex: 0 0 33.333333%; max-width: 33.333333%; }
.col-5 { flex: 0 0 41.666667%; max-width: 41.666667%; }
.col-6 { flex: 0 0 50%; max-width: 50%; }
.col-7 { flex: 0 0 58.333333%; max-width: 58.333333%; }
.col-8 { flex: 0 0 66.666667%; max-width: 66.666667%; }
.col-9 { flex: 0 0 75%; max-width: 75%; }
.col-10 { flex: 0 0 83.333333%; max-width: 83.333333%; }
.col-11 { flex: 0 0 91.666667%; max-width: 91.666667%; }
.col-12 { flex: 0 0 100%; max-width: 100%; }

@media (min-width: 768px) {
    .col-md-1 { flex: 0 0 8.333333%; max-width: 8.333333%; }
    .col-md-2 { flex: 0 0 16.666667%; max-width: 16.666667%; }
    .col-md-3 { flex: 0 0 25%; max-width: 25%; }
    .col-md-4 { flex: 0 0 33.333333%; max-width: 33.333333%; }
    .col-md-5 { flex: 0 0 41.666667%; max-width: 41.666667%; }
    .col-md-6 { flex: 0 0 50%; max-width: 50%; }
    .col-md-7 { flex: 0 0 58.333333%; max-width: 58.333333%; }
    .col-md-8 { flex: 0 0 66.666667%; max-width: 66.666667%; }
    .col-md-9 { flex: 0 0 75%; max-width: 75%; }
    .col-md-10 { flex: 0 0 83.333333%; max-width: 83.333333%; }
    .col-md-11 { flex: 0 0 91.666667%; max-width: 91.666667%; }
    .col-md-12 { flex: 0 0 100%; max-width: 100%; }

    .text-end { text-align: right !important; }
    .small { font-size: 0.875rem !important; }
    .mb-2 { margin-bottom: 0.5rem !important; }
}

@media (min-width: 992px) {
    .col-lg-1 { flex: 0 0 8.333333%; max-width: 8.333333%; }
    .col-lg-2 { flex: 0 0 16.666667%; max-width: 16.666667%; }
    .col-lg-3 { flex: 0 0 25%; max-width: 25%; }
    .col-lg-4 { flex: 0 0 33.333333%; max-width: 33.333333%; }
    .col-lg-5 { flex: 0 0 41.666667%; max-width: 41.666667%; }
    .col-lg-6 { flex: 0 0 50%; max-width: 50%; }
    .col-lg-7 { flex: 0 0 58.333333%; max-width: 58.333333%; }
    .col-lg-8 { flex: 0 0 66.666667%; max-width: 66.666667%; }
    .col-lg-9 { flex: 0 0 75%; max-width: 75%; }
    .col-lg-10 { flex: 0 0 83.333333%; max-width: 83.333333%; }
    .col-lg-11 { flex: 0 0 91.666667%; max-width: 91.666667%; }
    .col-lg-12 { flex: 0 0 100%; max-width: 100%; }
}

/* Buttons */
.btn {
    display: inline-block;
    font-weight: 400;
    text-align: center;
    white-space: nowrap;
    vertical-align: middle;
    user-select: none;
    border: 1px solid transparent;
    padding: 0.375rem 0.75rem;
    font-size: 1rem;
    line-height: 1.5;
    border-radius: 0.25rem;
    transition: color 0.15s ease-in-out, background-color 0.15s ease-in-out, border-color 0.15s ease-in-out, box-shadow 0.15s ease-in-out;
    cursor: pointer;
}

.btn:hover {
    text-decoration: none;
}

.btn-primary {
    color: #fff;
    background-color: #8B5CF6;
    border-color: #8B5CF6;
}

.btn-primary:hover {
    color: #fff;
    background-color: #7C3AED;
    border-color: #7C3AED;
}

.btn-secondary {
    color: #fff;
    background-color: #6c757d;
    border-color: #6c757d;
}

.btn-secondary:hover {
    color: #fff;
    background-color: #5a6268;
    border-color: #545b62;
}

.btn-warning {
    color: #212529;
    background-color: #ffc107;
    border-color: #ffc107;
}

.btn-warning:hover {
    color: #212529;
    background-color: #e0a800;
    border-color: #d39e00;
}

.btn-danger {
    color: #fff;
    background-color: #dc3545;
    border-color: #dc3545;
}

.btn-danger:hover {
    color: #fff;
    background-color: #c82333;
    border-color: #bb2d3b;
}

.btn-success {
    color: #fff;
    background-color: #28a745;
    border-color: #28a745;
}

.btn-outline-primary {
    color: #8B5CF6;
    background-color: transparent;
    border: 1px solid #8B5CF6;
}

.btn-outline-primary:hover {
    color: #fff;
    background-color: #8B5CF6;
    border-color: #8B5CF6;
}

.btn-close {
    box-sizing: content-box;
    width: 1em;
    height: 1em;
    padding: 0.25em 0.25em;
    color: #000;
    background: transparent url("data:image/svg+xml,%3csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 16 16' fill='%23000000'%3e%3cpath d='M.293.293a1 1 0 111.414 1.414L1.414 2.12l.293.293a1 1 0 001.414-1.414L2.828.586.293.293zm14.414 0a1 1 0 00-1.414 1.414l.293.293-.293.293a1 1 0 001.414 1.414l.293-.293.293.293a1 1 0 001.414-1.414L15.707.586l.293-.293a1 1 0 00-1.414-1.414z'/%3e%3c/svg%3e") center/1em auto no-repeat;
    border: 0;
    border-radius: 0.25rem;
    opacity: 0.5;
    cursor: pointer;
}

.btn-close:hover {
    opacity: 0.75;
}

.w-100 {
    width: 100% !important;
}

/* Tables */
.table {
    width: 100%;
    margin-bottom: 1rem;
    color: #212529;
    border-collapse: collapse;
}

.table thead th {
    vertical-align: bottom;
    border-bottom: 2px solid #dee2e6;
    padding: 0.75rem;
    text-align: left;
    border-color: #dee2e6;
}

.table tbody td {
    padding: 0.75rem;
    vertical-align: top;
    border-bottom: 1px solid #dee2e6;
}

.table tbody tr:hover {
    background-color: #f5f5f5;
}

.table-sm thead th,
.table-sm tbody td {
    padding: 0.3rem;
    font-size: 0.875rem;
}

.table-light thead {
    background-color: #f8f9fa;
}

.table-responsive {
    display: block;
    width: 100%;
    overflow-x: auto;
    -webkit-overflow-scrolling: touch;
}

/* Cards */
.card {
    position: relative;
    display: flex;
    flex-direction: column;
    min-width: 0;
    word-wrap: break-word;
    background-color: #fff;
    background-clip: border-box;
    border: 1px solid rgba(0, 0, 0, 0.125);
    border-radius: 0.25rem;
    margin-bottom: 1.5rem;
}

.card-header {
    padding: 0.75rem 1.25rem;
    margin-bottom: 0;
    background-color: rgba(0, 0, 0, 0.03);
    border-bottom: 1px solid rgba(0, 0, 0, 0.125);
}

.card-header:first-child {
    border-radius: calc(0.25rem - 1px) calc(0.25rem - 1px) 0 0;
}

.card-body {
    flex: 1 1 auto;
    padding: 1.25rem;
}

.card-footer {
    padding: 0.75rem 1.25rem;
    background-color: rgba(0, 0, 0, 0.03);
    border-top: 1px solid rgba(0, 0, 0, 0.125);
}

/* Forms */
.form-group {
    margin-bottom: 1rem;
}

.form-label {
    margin-bottom: 0.5rem;
    display: block;
    font-weight: 500;
}

.form-control {
    display: block;
    width: 100%;
    padding: 0.375rem 0.75rem;
    font-size: 1rem;
    font-weight: 400;
    line-height: 1.5;
    color: #495057;
    background-color: #fff;
    background-clip: padding-box;
    border: 1px solid #ced4da;
    appearance: none;
    border-radius: 0.25rem;
    transition: border-color 0.15s ease-in-out, box-shadow 0.15s ease-in-out;
}

.form-control:focus {
    color: #495057;
    background-color: #fff;
    border-color: #80bdff;
    outline: 0;
    box-shadow: 0 0 0 0.2rem rgba(0, 123, 255, 0.25);
}

.form-control::placeholder {
    color: #6c757d;
    opacity: 1;
}

select.form-control {
    height: auto;
    padding-right: 12px;
    background-image: url("data:image/svg+xml,%3csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 16 16'%3e%3cpath fill='none' stroke='%23343a40' stroke-linecap='round' stroke-linejoin='round' stroke-width='2' d='M2 5l6 6 6-6'/%3e%3c/svg%3e");
    background-repeat: no-repeat;
    background-position: right 0.75rem center;
    background-size: 16px 12px;
    padding-right: 2.25rem;
    appearance: none;
}

textarea.form-control {
    height: auto;
}

.form-select {
    display: block;
    width: 100%;
    padding: 0.375rem 0.75rem;
    font-size: 1rem;
    font-weight: 400;
    line-height: 1.5;
    color: #495057;
    background-color: #fff;
    border: 1px solid #ced4da;
    border-radius: 0.25rem;
    appearance: none;
    padding-right: 2.25rem;
    background-image: url("data:image/svg+xml,%3csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 16 16'%3e%3cpath fill='none' stroke='%23343a40' stroke-linecap='round' stroke-linejoin='round' stroke-width='2' d='M2 5l6 6 6-6'/%3e%3c/svg%3e");
    background-repeat: no-repeat;
    background-position: right 0.75rem center;
    background-size: 16px 12px;
}

.form-select-sm {
    padding: 0.25rem 0.5rem;
    font-size: 0.875rem;
    padding-right: 1.75rem;
}

.form-select:focus {
    border-color: #80bdff;
    outline: 0;
    box-shadow: 0 0 0 0.2rem rgba(0, 123, 255, 0.25);
}

/* Alerts */
.alert {
    position: relative;
    padding: 0.75rem 1.25rem;
    margin-bottom: 1rem;
    border: 1px solid transparent;
    border-radius: 0.25rem;
}

.alert-danger {
    color: #721c24;
    background-color: #f8d7da;
    border-color: #f5c6cb;
}

.alert-success {
    color: #155724;
    background-color: #d4edda;
    border-color: #c3e6cb;
}

.alert-warning {
    color: #856404;
    background-color: #fff3cd;
    border-color: #ffeaa7;
}

.alert-info {
    color: #0c5460;
    background-color: #d1ecf1;
    border-color: #bee5eb;
}

/* Form Checks */
.form-check {
    display: block;
    padding-left: 1.5rem;
    margin-bottom: 1rem;
}

.form-check-input {
    float: left;
    margin-left: -1.5rem;
    margin-top: 0.3rem;
    accent-color: #8B5CF6;
    cursor: pointer;
    width: 1.25rem;
    height: 1.25rem;
}

.form-check-input:checked {
    background-color: #8B5CF6;
    border-color: #8B5CF6;
}

.form-check-label {
    margin-bottom: 0;
    cursor: pointer;
}

/* Input Groups */
.input-group {
    display: flex;
    flex-wrap: wrap;
    align-items: stretch;
    width: 100%;
}

.input-group-sm > .form-control,
.input-group-sm > .btn {
    font-size: 0.875rem;
    padding: 0.25rem 0.5rem;
}

.input-group > .form-control {
    position: relative;
    z-index: 1;
    flex: 1 1 auto;
    width: 1%;
    min-width: 0;
}

/* Modal */
.modal {
    display: none;
    position: fixed;
    z-index: 1050;
    left: 0;
    top: 0;
    width: 100%;
    height: 100%;
    overflow: hidden;
    outline: 0;
    background-color: rgba(0, 0, 0, 0.5);
}

.modal.show {
    display: flex;
    align-items: center;
    justify-content: center;
}

.modal-dialog {
    position: relative;
    width: auto;
    margin: 1.75rem auto;
    max-width: 500px;
}

.modal-dialog.modal-lg {
    max-width: 800px;
}

.modal-content {
    position: relative;
    display: flex;
    flex-direction: column;
    width: 100%;
    pointer-events: auto;
    background-color: #fff;
    background-clip: padding-box;
    border: 1px solid rgba(0, 0, 0, 0.2);
    border-radius: 0.3rem;
    outline: 0;
}

.modal-header {
    display: flex;
    align-items: flex-start;
    justify-content: space-between;
    padding: 1rem;
    border-bottom: 1px solid #dee2e6;
}

.modal-title {
    margin-bottom: 0;
    line-height: 1.5;
    font-size: 1.25rem;
}

.modal-body {
    position: relative;
    flex: 1 1 auto;
    padding: 1rem;
}

.modal-footer {
    display: flex;
    flex-wrap: wrap;
    align-items: center;
    justify-content: flex-end;
    padding: 1rem;
    border-top: 1px solid #dee2e6;
}

/* Spinner */
.spinner-border {
    display: inline-block;
    width: 1rem;
    height: 1rem;
    vertical-align: text-bottom;
    border: 0.25em solid currentColor;
    border-right-color: transparent;
    border-radius: 50%;
    animation: spinner-border 0.75s linear infinite;
}

.spinner-border-sm {
    width: 0.875rem;
    height: 0.875rem;
    border-width: 0.2em;
}

@keyframes spinner-border {
    to { transform: rotate(360deg); }
}

/* Visibility utilities */
.visually-hidden {
    position: absolute !important;
    width: 1px !important;
    height: 1px !important;
    padding: 0 !important;
    margin: -1px !important;
    overflow: hidden !important;
    clip: rect(0, 0, 0, 0) !important;
    white-space: nowrap !important;
    border-width: 0 !important;
}

/* Fade & Animation */
.fade {
    opacity: 0;
    transition: opacity 0.15s linear;
}

.fade.show {
    opacity: 1;
}

/* Border Utilities */
.border-0 { border: 0 !important; }
.border-top { border-top: 1px solid #dee2e6 !important; }
.border-bottom { border-bottom: 1px solid #dee2e6 !important; }

.btn-close {
    box-sizing: content-box;
    width: 1em;
    height: 1em;
    padding: 0.25em 0.25em;
    color: #000;
    background: transparent url("data:image/svg+xml,%3csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 16 16' fill='%23000000'%3e%3cpath d='M.293.293a1 1 0 111.414 1.414L1.414 2.12l.293.293a1 1 0 001.414-1.414L2.828.586.293.293zm14.414 0a1 1 0 00-1.414 1.414l.293.293-.293.293a1 1 0 001.414 1.414l.293-.293.293.293a1 1 0 001.414-1.414L15.707.586l.293-.293a1 1 0 00-1.414-1.414z'/%3e%3c/svg%3e") center/1em auto no-repeat;
    border: 0;
    border-radius: 0.25rem;
    opacity: 0.5;
    cursor: pointer;
}

.btn-close:hover {
    opacity: 0.75;
}

/* Badges */
.badge {
    display: inline-block;
    padding: 0.35em 0.65em;
    font-size: 0.75em;
    font-weight: 700;
    line-height: 1;
    color: #fff;
    text-align: center;
    white-space: nowrap;
    vertical-align: baseline;
    border-radius: 0.25rem;
}

.badge-primary {
    background-color: #8B5CF6;
    color: #fff;
}

.badge-success {
    background-color: #28a745;
    color: #fff;
}

.badge-danger {
    background-color: #dc3545;
    color: #fff;
}

.badge-warning {
    background-color: #ffc107;
    color: #212529;
}

.badge-info {
    background-color: #17a2b8;
    color: #fff;
}

.badge-secondary {
    background-color: #6c757d;
    color: #fff;
}

.badge-light {
    background-color: #f8f9fa;
    color: #212529;
}

/* Badge with Background Utilities */
.badge.bg-light {
    color: #212529 !important;
}

.badge.bg-light.text-dark {
    color: #212529 !important;
}

/* Utility Classes */
.mb-0 { margin-bottom: 0 !important; }
.mb-1 { margin-bottom: 0.25rem !important; }
.mb-2 { margin-bottom: 0.5rem !important; }
.mb-3 { margin-bottom: 1rem !important; }
.mb-4 { margin-bottom: 1.5rem !important; }
.mb-5 { margin-bottom: 3rem !important; }

.mt-0 { margin-top: 0 !important; }
.mt-1 { margin-top: 0.25rem !important; }
.mt-2 { margin-top: 0.5rem !important; }
.mt-3 { margin-top: 1rem !important; }
.mt-4 { margin-top: 1.5rem !important; }
.mt-5 { margin-top: 3rem !important; }

.mx-auto { margin-left: auto !important; margin-right: auto !important; }
.me-2 { margin-right: 0.5rem !important; }
.ms-2 { margin-left: 0.5rem !important; }
.me-3 { margin-right: 1rem !important; }
.me-1 { margin-right: 0.25rem !important; }
.ms-1 { margin-left: 0.25rem !important; }
.me-auto { margin-right: auto !important; }
.ms-auto { margin-left: auto !important; }

.px-4 { padding-left: 1.5rem !important; padding-right: 1.5rem !important; }
.py-2 { padding-top: 0.5rem !important; padding-bottom: 0.5rem !important; }
.py-3 { padding-top: 1rem !important; padding-bottom: 1rem !important; }
.py-4 { padding-top: 1.5rem !important; padding-bottom: 1.5rem !important; }
.py-5 { padding-top: 3rem !important; padding-bottom: 3rem !important; }
.p-3 { padding: 1rem !important; }
.px-3 { padding-left: 1rem !important; padding-right: 1rem !important; }

.pt-2 { padding-top: 0.5rem !important; }
.pb-2 { padding-bottom: 0.5rem !important; }
.pt-3 { padding-top: 1rem !important; }
.pb-3 { padding-bottom: 1rem !important; }
.pt-4 { padding-top: 1.5rem !important; }
.pb-4 { padding-bottom: 1.5rem !important; }

.text-center { text-align: center !important; }
.text-end { text-align: right !important; }
.text-white { color: #fff !important; }
.text-muted { color: #6c757d !important; }
.text-danger { color: #dc3545 !important; }
.text-success { color: #28a745 !important; }
.text-warning { color: #ffc107 !important; }
.text-primary { color: #8B5CF6 !important; }

.small { font-size: 0.875rem !important; }

/* Background Colors */
.bg-primary { background-color: #8B5CF6 !important; }
.bg-secondary { background-color: #6c757d !important; }
.bg-success { background-color: #28a745 !important; }
.bg-danger { background-color: #dc3545 !important; }
.bg-warning { background-color: #ffc107 !important; }
.bg-info { background-color: #17a2b8 !important; }
.bg-light { background-color: #f8f9fa !important; }
.bg-dark { background-color: #343a40 !important; }

.d-flex { display: flex !important; }
.flex-column { flex-direction: column !important; }
.flex-wrap { flex-wrap: wrap !important; }
.align-items-center { align-items: center !important; }
.justify-content-center { justify-content: center !important; }
.justify-content-between { justify-content: space-between !important; }

.gap-2 { gap: 0.5rem !important; }
.gap-3 { gap: 1rem !important; }

.fw-bold { font-weight: 700 !important; }
.fw-semibold { font-weight: 600 !important; }

.text-center { text-align: center !important; }
.text-end { text-align: right !important; }
.text-white { color: #fff !important; }
.text-muted { color: #6c757d !important; }
.text-danger { color: #dc3545 !important; }
.text-success { color: #28a745 !important; }
.text-warning { color: #ffc107 !important; }
.text-primary { color: #8B5CF6 !important; }
.text-dark { color: #212529 !important; }

.small { font-size: 0.875rem !important; }
.display-none { display: none !important; }

/* Navigation */
.nav {
    display: flex;
    flex-wrap: wrap;
    padding-left: 0;
    margin-bottom: 0;
    list-style: none;
}

.nav-item {
    margin-right: 0;
}

.nav-link {
    display: block;
    padding: 0.5rem 1rem;
    color: #0d6efd;
    text-decoration: none;
    transition: color 0.15s ease-in-out, background-color 0.15s ease-in-out;
    cursor: pointer;
}

.nav-link:hover {
    color: #0a58ca;
}

.nav-link.active {
    color: #fff;
    background-color: #0d6efd;
}

.nav-link.disabled {
    color: #6c757d;
    pointer-events: none;
    cursor: auto;
}

.nav-pills {
    border-bottom: none;
}

.nav-pills .nav-link {
    background-color: transparent;
    border: 0;
    border-radius: 0.25rem;
    margin-right: 0.5rem;
}

.nav-pills .nav-link.active {
    background-color: #0d6efd;
    color: #fff;
}

.nav-pills .nav-link:hover {
    background-color: #e2e7f0;
}

/* Navbar */
.navbar {
    display: flex;
    flex-wrap: wrap;
    align-items: center;
    justify-content: space-between;
    padding: 0.5rem 0;
    background-color: #fff;
    position: relative;
}

.navbar.navbar-light {
    background-color: #fff;
}

.navbar.navbar-dark {
    background-color: #343a40;
}

.navbar.position-sticky {
    position: sticky;
}

.navbar.top-0 {
    top: 0;
}

.navbar.top-1020 {
    z-index: 1020;
}

.navbar .container {
    display: flex;
    flex-wrap: wrap;
    align-items: center;
    justify-content: space-between;
}

.navbar-brand {
    display: inline-block;
    padding-top: 0.3125rem;
    padding-bottom: 0.3125rem;
    margin-right: 1rem;
    font-size: 1.25rem;
    line-height: inherit;
    white-space: nowrap;
    color: #212529;
    text-decoration: none;
    font-weight: 600;
}

.navbar-brand:hover {
    text-decoration: none;
}

.navbar-nav {
    display: flex;
    flex-direction: column;
    padding-left: 0;
    margin-bottom: 0;
    list-style: none;
}

.navbar-nav .nav-link {
    padding-right: 0.5rem;
    padding-left: 0.5rem;
}

.navbar-nav .nav-link.disabled {
    color: #6c757d;
    pointer-events: none;
    cursor: auto;
}

.nav-item {
    display: flex;
    align-items: center;
}

.nav-link {
    display: block;
    padding: 0.5rem 1rem;
    color: #212529;
    text-decoration: none;
    transition: color 0.15s ease-in-out, background-color 0.15s ease-in-out;
}

.nav-link:hover,
.nav-link:focus {
    color: #0d6efd;
}

.navbar-toggler {
    padding: 0.25rem 0.75rem;
    font-size: 1.25rem;
    line-height: 1;
    background-color: transparent;
    border: 1px solid rgba(0, 0, 0, 0.1);
    border-radius: 0.25rem;
    transition: box-shadow 0.15s ease-in-out;
    cursor: pointer;
}

.navbar-toggler:focus {
    text-decoration: none;
    outline: 0;
    box-shadow: 0 0 0 0.25rem rgba(13, 110, 253, 0.25);
}

.navbar-toggler-icon {
    display: inline-block;
    width: 1.5em;
    height: 1.5em;
    vertical-align: middle;
    background-image: url("data:image/svg+xml,%3csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 30 30'%3e%3cpath stroke='%23212529' stroke-linecap='round' stroke-miterlimit='10' stroke-width='2' d='M4 7h22M4 15h22M4 23h22'/%3e%3c/svg%3e");
    background-repeat: no-repeat;
    background-position: center;
    background-size: 100%;
}

.navbar-collapse {
    flex-basis: 100%;
    flex-grow: 1;
    align-items: center;
}

.navbar-collapse.collapse {
    display: none;
}

.navbar-collapse.show {
    display: flex !important;
}

.navbar-expand-lg {
    flex-wrap: nowrap;
    justify-content: flex-start;
}

.navbar-expand-lg .navbar-nav {
    flex-direction: row;
}

.navbar-expand-lg .navbar-nav .nav-link {
    padding-right: 0.5rem;
    padding-left: 0.5rem;
}

.navbar-expand-lg .navbar-toggler {
    display: none;
}

.navbar-expand-lg .navbar-collapse {
    display: flex !important;
    flex-basis: auto;
}

.navbar-text {
    display: inline-block;
    padding-top: 0.5rem;
    padding-bottom: 0.5rem;
    color: inherit;
}

.navbar-text a {
    color: #0d6efd;
    text-decoration: none;
}

.navbar-text a:hover {
    color: #0b5ed7;
}

/* Margin utilities for navbar */
.ms-auto {
    margin-left: auto !important;
}

.me-auto {
    margin-right: auto !important;
}

/* Position Utilities */
.position-sticky {
    position: sticky !important;
}

.top-0 {
    top: 0 !important;
}

/* Responsive Utilities */
@media (max-width: 767px) {
    .d-md-none { display: none !important; }
    .navbar-expand-lg .navbar-toggler {
        display: block !important;
    }
    
    .navbar-expand-lg .navbar-collapse {
        display: none !important;
        flex-basis: 100%;
    }
    
    .navbar-expand-lg .navbar-collapse.show {
        display: block !important;
    }
}

@media (min-width: 768px) {
    .d-md-block { display: block !important; }
}