/* ==========================================================================
   Base CSS — Bootstrap Replacement
   Replaces Bootstrap 5.3 with native CSS (Grid, Flexbox, Variables)
   ========================================================================== */

/* ---------- CSS Variables ---------- */
:root {
    --primary: #0d6efd;
    --secondary: #6c757d;
    --success: #198754;
    --danger: #dc3545;
    --warning: #ffc107;
    --info: #0dcaf0;
    --light: #f8f9fa;
    --dark: #212529;
    --white: #fff;
    --body-bg: #fff;
    --body-color: #212529;
    --font-family: system-ui, -apple-system, "Segoe UI", Roboto, "Helvetica Neue", Arial, sans-serif;
    --font-size-base: 1rem;
    --line-height-base: 1.5;
    --border-color: #dee2e6;
    --border-radius: 0.375rem;
    --shadow-sm: 0 0.125rem 0.25rem rgba(0, 0, 0, 0.075);
    --transition-base: all 0.15s ease-in-out;
}

/* ---------- Reset / Normalize ---------- */
*, *::before, *::after {
    box-sizing: border-box;
}

body {
    margin: 0;
    font-family: var(--font-family);
    font-size: var(--font-size-base);
    line-height: var(--line-height-base);
    color: var(--body-color);
    -webkit-text-size-adjust: 100%;
    -webkit-tap-highlight-color: transparent;
}

hr {
    margin: 1rem 0;
    color: inherit;
    border: 0;
    border-top: 1px solid var(--border-color);
    opacity: 0.25;
}

/* ---------- Typography ---------- */
h1, h2, h3, h4, h5, h6 {
    margin-top: 0;
    margin-bottom: 0.5rem;
    font-weight: 500;
    line-height: 1.2;
}

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; }

p {
    margin-top: 0;
    margin-bottom: 1rem;
}

small { font-size: 0.875em; }

.lead {
    font-size: 1.25rem;
    font-weight: 300;
}

.font-italic { font-style: italic; }

.blockquote {
    margin-bottom: 1rem;
    font-size: 1.25rem;
}

.blockquote-footer {
    margin-top: -1rem;
    margin-bottom: 1rem;
    font-size: 0.875em;
    color: var(--secondary);
}

.blockquote-footer::before {
    content: "\2014\00A0";
}

cite { font-style: normal; }

/* ---------- Links ---------- */
a {
    color: var(--primary);
    text-decoration: underline;
}

a:hover {
    color: #0a58ca;
}

/* ---------- Images ---------- */
img { vertical-align: middle; }

.img-fluid {
    max-width: 100%;
    height: auto;
}

/* ---------- Layout: Container ---------- */
.container,
.container-lg {
    width: 100%;
    max-width: 1200px;
    margin-inline: auto;
    padding-inline: 1rem;
}

/* ---------- Layout: Grid (Row / Col) ---------- */
.row {
    display: flex;
    flex-wrap: wrap;
    margin-inline: -0.75rem;
}

.row > * {
    flex-shrink: 0;
    width: 100%;
    max-width: 100%;
    padding-inline: 0.75rem;
}

.col { flex: 1 0 0%; }
.col-auto { flex: 0 0 auto; width: auto; }

.col-2  { flex: 0 0 auto; width: 16.6667%; }
.col-3  { flex: 0 0 auto; width: 25%; }
.col-4  { flex: 0 0 auto; width: 33.3333%; }
.col-6  { flex: 0 0 auto; width: 50%; }
.col-8  { flex: 0 0 auto; width: 66.6667%; }
.col-10 { flex: 0 0 auto; width: 83.3333%; }
.col-12 { flex: 0 0 auto; width: 100%; }

@media (min-width: 576px) {
    .col-sm-4  { flex: 0 0 auto; width: 33.3333%; }
    .col-sm-8  { flex: 0 0 auto; width: 66.6667%; }
    .col-sm-12 { flex: 0 0 auto; width: 100%; }
}

@media (min-width: 768px) {
    .col-md-2  { flex: 0 0 auto; width: 16.6667%; }
    .col-md-3  { flex: 0 0 auto; width: 25%; }
    .col-md-4  { flex: 0 0 auto; width: 33.3333%; }
    .col-md-6  { flex: 0 0 auto; width: 50%; }
    .col-md-8  { flex: 0 0 auto; width: 66.6667%; }
    .col-md-10 { flex: 0 0 auto; width: 83.3333%; }
    .col-md-12 { flex: 0 0 auto; width: 100%; }
}

@media (min-width: 992px) {
    .col-lg-4  { flex: 0 0 auto; width: 33.3333%; }
    .col-lg-6  { flex: 0 0 auto; width: 50%; }
    .col-lg-8  { flex: 0 0 auto; width: 66.6667%; }
}

.justify-content-center { justify-content: center; }
.no-gutters { margin-inline: 0; }
.no-gutters > * { padding-inline: 0; }

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

.card-header {
    padding: 0.75rem 1rem;
    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(var(--border-radius) - 1px) calc(var(--border-radius) - 1px) 0 0;
}

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

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

.card-title {
    margin-bottom: 0.5rem;
    font-weight: 500;
}

.border-dark { border-color: var(--dark) !important; }

.rounded-0 { border-radius: 0 !important; }

/* ---------- Buttons ---------- */
.btn {
    display: inline-block;
    font-weight: 400;
    line-height: 1.5;
    text-align: center;
    text-decoration: none;
    vertical-align: middle;
    cursor: pointer;
    user-select: none;
    border: 1px solid transparent;
    padding: 0.375rem 0.75rem;
    font-size: 1rem;
    border-radius: var(--border-radius);
    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;
}

.btn:hover { opacity: 0.85; }

.btn-primary   { color: var(--white); background-color: var(--primary); border-color: var(--primary); }
.btn-secondary { color: var(--white); background-color: var(--secondary); border-color: var(--secondary); }
.btn-success   { color: var(--white); background-color: var(--success); border-color: var(--success); }
.btn-danger    { color: var(--white); background-color: var(--danger); border-color: var(--danger); }
.btn-warning   { color: var(--dark); background-color: var(--warning); border-color: var(--warning); }
.btn-info      { color: var(--dark); background-color: var(--info); border-color: var(--info); }
.btn-light     { color: var(--dark); background-color: var(--light); border-color: var(--light); }
.btn-dark      { color: var(--white); background-color: var(--dark); border-color: var(--dark); }
.btn-link      { color: var(--primary); background-color: transparent; border-color: transparent; text-decoration: underline; }

.btn-outline-primary   { color: var(--primary); border-color: var(--primary); background-color: transparent; }
.btn-outline-primary:hover { color: var(--white); background-color: var(--primary); }

.btn-outline-secondary { color: var(--secondary); border-color: var(--secondary); background-color: transparent; }
.btn-outline-secondary:hover { color: var(--white); background-color: var(--secondary); }

.btn-outline-success   { color: var(--success); border-color: var(--success); background-color: transparent; }
.btn-outline-success:hover { color: var(--white); background-color: var(--success); }

.btn-outline-danger    { color: var(--danger); border-color: var(--danger); background-color: transparent; }
.btn-outline-danger:hover { color: var(--white); background-color: var(--danger); }

.btn-outline-warning   { color: var(--warning); border-color: var(--warning); background-color: transparent; }
.btn-outline-warning:hover { color: var(--dark); background-color: var(--warning); }

.btn-outline-info      { color: var(--info); border-color: var(--info); background-color: transparent; }
.btn-outline-info:hover { color: var(--dark); background-color: var(--info); }

.btn-outline-dark      { color: var(--dark); border-color: var(--dark); background-color: transparent; }
.btn-outline-dark:hover { color: var(--white); background-color: var(--dark); }

.btn-sm { padding: 0.25rem 0.5rem; font-size: 0.875rem; border-radius: 0.25rem; }
.btn-lg { padding: 0.5rem 1rem; font-size: 1.25rem; border-radius: 0.5rem; }
.btn-block { display: block; width: 100%; }

.btn-close {
    box-sizing: content-box;
    width: 1em;
    height: 1em;
    padding: 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='%23000'%3e%3cpath d='M.293.293a1 1 0 0 1 1.414 0L8 6.586 14.293.293a1 1 0 1 1 1.414 1.414L9.414 8l6.293 6.293a1 1 0 0 1-1.414 1.414L8 9.414l-6.293 6.293a1 1 0 0 1-1.414-1.414L6.586 8 .293 1.707a1 1 0 0 1 0-1.414z'/%3e%3c/svg%3e") center/1em auto no-repeat;
    border: 0;
    border-radius: 0.375rem;
    opacity: 0.5;
    cursor: pointer;
}

.btn-close:hover { opacity: 1; }

/* ---------- Forms ---------- */
.form-control {
    display: block;
    width: 100%;
    padding: 0.375rem 0.75rem;
    font-size: 1rem;
    font-weight: 400;
    line-height: 1.5;
    color: var(--body-color);
    background-color: var(--white);
    background-clip: padding-box;
    border: 1px solid var(--border-color);
    border-radius: var(--border-radius);
    transition: border-color 0.15s ease-in-out, box-shadow 0.15s ease-in-out;
    appearance: none;
}

.form-control:focus {
    color: var(--body-color);
    background-color: var(--white);
    border-color: #86b7fe;
    outline: 0;
    box-shadow: 0 0 0 0.25rem rgba(13, 110, 253, 0.25);
}

textarea.form-control { min-height: calc(1.5em + 0.75rem + 2px); }

.form-select {
    display: block;
    width: 100%;
    padding: 0.375rem 2.25rem 0.375rem 0.75rem;
    font-size: 1rem;
    font-weight: 400;
    line-height: 1.5;
    color: var(--body-color);
    background-color: var(--white);
    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 5 6 6 6-6'/%3e%3c/svg%3e");
    background-repeat: no-repeat;
    background-position: right 0.75rem center;
    background-size: 16px 12px;
    border: 1px solid var(--border-color);
    border-radius: var(--border-radius);
    appearance: none;
}

.form-select:focus {
    border-color: #86b7fe;
    outline: 0;
    box-shadow: 0 0 0 0.25rem rgba(13, 110, 253, 0.25);
}

.form-label,
.col-form-label {
    margin-bottom: 0.5rem;
    font-weight: 500;
}

.col-form-label {
    padding-top: calc(0.375rem + 1px);
    padding-bottom: calc(0.375rem + 1px);
    font-size: inherit;
    line-height: 1.5;
}

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

.form-floating {
    position: relative;
}

.form-floating > .form-control,
.form-floating > .form-select {
    height: calc(3.5rem + 2px);
    padding: 1rem 0.75rem;
}

.form-floating > label {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    padding: 1rem 0.75rem;
    overflow: hidden;
    text-align: start;
    text-overflow: ellipsis;
    white-space: nowrap;
    pointer-events: none;
    border: 1px solid transparent;
    transform-origin: 0 0;
    transition: opacity 0.1s ease-in-out, transform 0.1s ease-in-out;
    color: rgba(var(--body-color), 0.65);
    opacity: 0.65;
}

.form-floating > .form-control:focus ~ label,
.form-floating > .form-control:not(:placeholder-shown) ~ label,
.form-floating > .form-select ~ label {
    opacity: 0.65;
    transform: scale(0.85) translateY(-0.5rem) translateX(0.15rem);
}

.form-check {
    display: block;
    min-height: 1.5rem;
    padding-left: 1.5em;
    margin-bottom: 0.125rem;
}

.input-group {
    position: relative;
    display: flex;
    flex-wrap: wrap;
    align-items: stretch;
    width: 100%;
}

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

/* Validation */
.is-invalid {
    border-color: var(--danger) !important;
}

.is-invalid:focus {
    border-color: var(--danger) !important;
    box-shadow: 0 0 0 0.25rem rgba(220, 53, 69, 0.25);
}

.invalid-feedback {
    display: block;
    width: 100%;
    margin-top: 0.25rem;
    font-size: 0.875em;
    color: var(--danger);
}

.needs-validation .invalid-feedback {
    display: none;
}

.needs-validation .is-invalid ~ .invalid-feedback {
    display: block;
}

/* ---------- Tables ---------- */
.table {
    width: 100%;
    margin-bottom: 1rem;
    color: var(--body-color);
    vertical-align: top;
    border-color: var(--border-color);
    border-collapse: collapse;
}

.table > :not(caption) > * > * {
    padding: 0.5rem;
    border-bottom-width: 1px;
    border-bottom-style: solid;
    border-bottom-color: inherit;
}

.table > thead {
    vertical-align: bottom;
}

.table-striped > tbody > tr:nth-of-type(odd) > * {
    background-color: rgba(0, 0, 0, 0.05);
}

.table-bordered > :not(caption) > * {
    border-width: 1px 0;
}

.table-bordered > :not(caption) > * > * {
    border-width: 0 1px;
    border-style: solid;
    border-color: inherit;
}

.table-dark {
    color: var(--white);
    background-color: var(--dark);
    border-color: #373b3e;
}

.table-dark > :not(caption) > * > * {
    background-color: transparent;
    border-bottom-color: #373b3e;
}

/* ---------- Alerts ---------- */
.alert {
    position: relative;
    padding: 1rem;
    margin-bottom: 1rem;
    border: 1px solid transparent;
    border-radius: var(--border-radius);
}

.alert-primary   { color: #084298; background-color: #cfe2ff; border-color: #b6d4fe; }
.alert-secondary { color: #41464b; background-color: #e2e3e5; border-color: #d3d6d8; }
.alert-success   { color: #0f5132; background-color: #d1e7dd; border-color: #badbcc; }
.alert-danger    { color: #842029; background-color: #f8d7da; border-color: #f5c2c7; }
.alert-warning   { color: #664d03; background-color: #fff3cd; border-color: #ffecb5; }
.alert-info      { color: #055160; background-color: #cff4fc; border-color: #b6effb; }

/* ---------- Modals ---------- */
.modal {
    display: none;
    position: fixed;
    top: 0;
    left: 0;
    z-index: 1055;
    width: 100%;
    height: 100%;
    overflow-x: hidden;
    overflow-y: auto;
    outline: 0;
    background-color: rgba(0, 0, 0, 0.5);
}

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

.modal.fade { opacity: 0; transition: opacity 0.15s linear; }
.modal.fade.show { opacity: 1; }

.modal-dialog {
    position: relative;
    width: auto;
    margin: 1.75rem auto;
    max-width: 500px;
    pointer-events: none;
}

.modal.show .modal-dialog { pointer-events: auto; }

.modal-dialog-centered {
    display: flex;
    align-items: center;
    min-height: calc(100% - 3.5rem);
}

.modal-content {
    position: relative;
    display: flex;
    flex-direction: column;
    width: 100%;
    pointer-events: auto;
    background-color: var(--white);
    background-clip: padding-box;
    border: 1px solid rgba(0, 0, 0, 0.2);
    border-radius: 0.5rem;
    outline: 0;
}

.modal-header {
    display: flex;
    flex-shrink: 0;
    align-items: center;
    justify-content: space-between;
    padding: 1rem;
    border-bottom: 1px solid var(--border-color);
    border-top-left-radius: calc(0.5rem - 1px);
    border-top-right-radius: calc(0.5rem - 1px);
}

.modal-title { margin-bottom: 0; line-height: 1.5; }

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

.modal-footer {
    display: flex;
    flex-shrink: 0;
    flex-wrap: wrap;
    align-items: center;
    justify-content: flex-end;
    padding: 0.75rem;
    border-top: 1px solid var(--border-color);
    border-bottom-right-radius: calc(0.5rem - 1px);
    border-bottom-left-radius: calc(0.5rem - 1px);
    gap: 0.5rem;
}

/* ---------- Dropdowns ---------- */
.dropdown {
    position: relative;
    display: inline-block;
}

.dropdown-toggle {
    white-space: nowrap;
    cursor: pointer;
}

.dropdown-toggle::after {
    display: inline-block;
    margin-left: 0.255em;
    vertical-align: 0.255em;
    content: "";
    border-top: 0.3em solid;
    border-right: 0.3em solid transparent;
    border-bottom: 0;
    border-left: 0.3em solid transparent;
}

.dropdown-menu {
    position: absolute;
    z-index: 1000;
    display: none;
    min-width: 10rem;
    padding: 0.5rem 0;
    margin: 0;
    font-size: 1rem;
    color: var(--body-color);
    text-align: left;
    list-style: none;
    background-color: var(--white);
    background-clip: padding-box;
    border: 1px solid rgba(0, 0, 0, 0.15);
    border-radius: var(--border-radius);
    box-shadow: 0 0.5rem 1rem rgba(0, 0, 0, 0.15);
}

.dropdown-menu.show { display: block; }

.dropdown-item {
    display: block;
    width: 100%;
    padding: 0.25rem 1rem;
    clear: both;
    font-weight: 400;
    color: var(--body-color);
    text-align: inherit;
    text-decoration: none;
    white-space: nowrap;
    background-color: transparent;
    border: 0;
}

.dropdown-item:hover,
.dropdown-item:focus {
    color: #1e2125;
    background-color: #e9ecef;
}

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

.nav-tabs {
    border-bottom: 1px solid var(--border-color);
}

.nav-item { margin-bottom: -1px; }

.nav-link {
    display: block;
    padding: 0.5rem 1rem;
    color: var(--primary);
    text-decoration: none;
    background: none;
    border: 1px solid transparent;
    border-top-left-radius: var(--border-radius);
    border-top-right-radius: var(--border-radius);
    cursor: pointer;
    transition: color 0.15s ease-in-out, background-color 0.15s ease-in-out, border-color 0.15s ease-in-out;
}

.nav-link:hover,
.nav-link:focus {
    border-color: #e9ecef #e9ecef var(--border-color);
    isolation: isolate;
}

.nav-link.active,
.nav-tabs .nav-link.active {
    color: #495057;
    background-color: var(--white);
    border-color: var(--border-color) var(--border-color) var(--white);
}

/* Tab Content */
.tab-content > .tab-pane { display: none; }
.tab-content > .tab-pane.active { display: block; }
.tab-pane.fade { opacity: 0; transition: opacity 0.15s linear; }
.tab-pane.fade.show { opacity: 1; }

/* ---------- List Group ---------- */
.list-group {
    display: flex;
    flex-direction: column;
    padding-left: 0;
    margin-bottom: 0;
    border-radius: var(--border-radius);
}

.list-group-item {
    position: relative;
    display: block;
    padding: 0.75rem 1.25rem;
    color: var(--body-color);
    text-decoration: none;
    background-color: var(--white);
    border: 1px solid rgba(0, 0, 0, 0.125);
}

.list-group-item:first-child { border-top-left-radius: inherit; border-top-right-radius: inherit; }
.list-group-item:last-child { border-bottom-left-radius: inherit; border-bottom-right-radius: inherit; }
.list-group-item + .list-group-item { border-top-width: 0; }

.list-group-item-action {
    width: 100%;
    color: #495057;
    text-align: inherit;
}

.list-group-item-action:hover,
.list-group-item-action:focus {
    z-index: 1;
    color: #495057;
    text-decoration: none;
    background-color: #f8f9fa;
}

/* ---------- Progress Bar ---------- */
.progress {
    display: flex;
    height: 1rem;
    overflow: hidden;
    font-size: 0.75rem;
    background-color: #e9ecef;
    border-radius: var(--border-radius);
}

.progress-bar {
    display: flex;
    flex-direction: column;
    justify-content: center;
    overflow: hidden;
    color: var(--white);
    text-align: center;
    white-space: nowrap;
    background-color: var(--primary);
    transition: width 0.6s ease;
}

.progress-bar-striped {
    background-image: linear-gradient(
        45deg,
        rgba(255, 255, 255, 0.15) 25%,
        transparent 25%,
        transparent 50%,
        rgba(255, 255, 255, 0.15) 50%,
        rgba(255, 255, 255, 0.15) 75%,
        transparent 75%,
        transparent
    );
    background-size: 1rem 1rem;
}

.progress-bar-animated {
    animation: progress-bar-stripes 1s linear infinite;
}

@keyframes progress-bar-stripes {
    0% { background-position: 1rem 0; }
    100% { background-position: 0 0; }
}

/* ---------- Shadows ---------- */
.shadow-sm { box-shadow: var(--shadow-sm) !important; }

/* ---------- Spacing Utilities ---------- */
.m-0  { margin: 0 !important; }
.m-1  { margin: 0.25rem !important; }
.m-2  { margin: 0.5rem !important; }
.m-3  { margin: 1rem !important; }
.m-4  { margin: 1.5rem !important; }
.m-5  { margin: 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; }

.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; }

.ms-0 { margin-left: 0 !important; }
.ms-1 { margin-left: 0.25rem !important; }
.ms-2 { margin-left: 0.5rem !important; }
.ms-3 { margin-left: 1rem !important; }

.me-0 { margin-right: 0 !important; }
.me-1 { margin-right: 0.25rem !important; }
.me-2 { margin-right: 0.5rem !important; }
.me-3 { margin-right: 1rem !important; }

.mx-auto { margin-left: auto !important; margin-right: auto !important; }

.p-0  { padding: 0 !important; }
.p-1  { padding: 0.25rem !important; }
.p-2  { padding: 0.5rem !important; }
.p-3  { padding: 1rem !important; }
.p-4  { padding: 1.5rem !important; }
.p-5  { padding: 3rem !important; }

.pt-0 { padding-top: 0 !important; }
.pt-1 { padding-top: 0.25rem !important; }
.pt-2 { padding-top: 0.5rem !important; }
.pt-3 { padding-top: 1rem !important; }
.pt-4 { padding-top: 1.5rem !important; }

.pb-0 { padding-bottom: 0 !important; }
.pb-1 { padding-bottom: 0.25rem !important; }
.pb-2 { padding-bottom: 0.5rem !important; }
.pb-3 { padding-bottom: 1rem !important; }
.pb-4 { padding-bottom: 1.5rem !important; }

.ps-0 { padding-left: 0 !important; }
.ps-1 { padding-left: 0.25rem !important; }
.ps-2 { padding-left: 0.5rem !important; }
.ps-3 { padding-left: 1rem !important; }

.pe-0 { padding-right: 0 !important; }
.pe-1 { padding-right: 0.25rem !important; }
.pe-2 { padding-right: 0.5rem !important; }
.pe-3 { padding-right: 1rem !important; }

.px-0 { padding-left: 0 !important; padding-right: 0 !important; }
.px-1 { padding-left: 0.25rem !important; padding-right: 0.25rem !important; }
.px-2 { padding-left: 0.5rem !important; padding-right: 0.5rem !important; }
.px-3 { padding-left: 1rem !important; padding-right: 1rem !important; }
.px-4 { padding-left: 1.5rem !important; padding-right: 1.5rem !important; }

.py-0 { padding-top: 0 !important; padding-bottom: 0 !important; }
.py-1 { padding-top: 0.25rem !important; padding-bottom: 0.25rem !important; }
.py-2 { padding-top: 0.5rem !important; padding-bottom: 0.5rem !important; }
.py-3 { padding-top: 1rem !important; padding-bottom: 1rem !important; }

/* ---------- Text Utilities ---------- */
.text-center { text-align: center !important; }
.text-end    { text-align: right !important; }
.text-start  { text-align: left !important; }
.text-muted  { color: var(--secondary) !important; }
.text-white  { color: var(--white) !important; }

/* ---------- Display Utilities ---------- */
.d-none    { display: none !important; }
.d-block   { display: block !important; }
.d-inline  { display: inline !important; }
.d-inline-block { display: inline-block !important; }
.d-flex    { display: flex !important; }

.flex-wrap { flex-wrap: wrap !important; }
.align-items-center { align-items: center !important; }
.gap-1 { gap: 0.25rem !important; }
.gap-2 { gap: 0.5rem !important; }
.gap-3 { gap: 1rem !important; }

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

/* ---------- Visibility ---------- */
.fade { transition: opacity 0.15s linear; }
.fade:not(.show) { opacity: 0; }
.show { opacity: 1; }