/*!
 * EduRobotics Bootstrap v1.0.0 — 2026
 * A drop-in Bootstrap 5.x compatible CSS reskin.
 * Editorial / swiss-engineering aesthetic: hard edges, mono labels,
 * Space Grotesk display, Inter body, JetBrains Mono for labels.
 *
 * Covers Bootstrap fundamentals: Reboot, Typography, Containers, Grid,
 * Buttons, Forms, Cards, Navs, Navbar, Alerts, Badges, Breadcrumbs,
 * Progress, Spinners, Modal, Dropdown, List group, Pagination, Tables,
 * Utilities (spacing, display, text, flex, border, bg, color).
 *
 * Use the same class names as Bootstrap. No JS changes required.
 * ------------------------------------------------------------------ */

/* ==================================================================
   1. TOKENS
   ================================================================== */
:root {
  /* Brand palette */
  --er-red: #E4002B;
  --er-red-600: #C60024;
  --er-blue: #0033A0;
  --er-ink: #0A0A0A;
  --er-paper: #F5F3EE;
  --er-paper-2: #EBE7DD;
  --er-line: rgba(10, 10, 10, 0.14);
  --er-line-strong: rgba(10, 10, 10, 0.7);
  --er-mute: rgba(10, 10, 10, 0.55);

  /* Fonts */
  --er-font-display: 'Space Grotesk', system-ui, -apple-system, sans-serif;
  --er-font-body: 'Inter', system-ui, -apple-system, sans-serif;
  --er-font-mono: 'JetBrains Mono', ui-monospace, SFMono-Regular, Menlo, monospace;

  /* Bootstrap variable bridge (so our CSS stays Bootstrap-compatible) */
  --bs-blue: var(--er-blue);
  --bs-indigo: #4C3AE8;
  --bs-purple: #6f42c1;
  --bs-pink: #d63384;
  --bs-red: var(--er-red);
  --bs-orange: #fd7e14;
  --bs-yellow: #F3E800;
  --bs-green: #0B8A3B;
  --bs-teal: #0B6E6E;
  --bs-cyan: #0B6EA8;
  --bs-black: var(--er-ink);
  --bs-white: #ffffff;
  --bs-gray: var(--er-mute);
  --bs-gray-dark: var(--er-ink);

  --bs-primary: var(--er-ink);
  --bs-secondary: var(--er-mute);
  --bs-success: #0B8A3B;
  --bs-info: var(--er-blue);
  --bs-warning: #F3E800;
  --bs-danger: var(--er-red);
  --bs-light: var(--er-paper-2);
  --bs-dark: var(--er-ink);

  --bs-primary-rgb: 10, 10, 10;
  --bs-secondary-rgb: 110, 110, 110;
  --bs-success-rgb: 11, 138, 59;
  --bs-info-rgb: 0, 51, 160;
  --bs-warning-rgb: 243, 232, 0;
  --bs-danger-rgb: 228, 0, 43;
  --bs-light-rgb: 235, 231, 221;
  --bs-dark-rgb: 10, 10, 10;
  --bs-white-rgb: 255, 255, 255;
  --bs-black-rgb: 10, 10, 10;
  --bs-body-color-rgb: 10, 10, 10;
  --bs-body-bg-rgb: 245, 243, 238;

  --bs-font-sans-serif: var(--er-font-body);
  --bs-font-monospace: var(--er-font-mono);
  --bs-body-font-family: var(--er-font-body);
  --bs-body-font-size: 15px;
  --bs-body-font-weight: 400;
  --bs-body-line-height: 1.55;
  --bs-body-color: var(--er-ink);
  --bs-body-bg: var(--er-paper);

  --bs-border-width: 1px;
  --bs-border-style: solid;
  --bs-border-color: var(--er-line);
  --bs-border-color-translucent: var(--er-line);
  --bs-border-radius: 0;
  --bs-border-radius-sm: 0;
  --bs-border-radius-lg: 0;
  --bs-border-radius-xl: 0;
  --bs-border-radius-2xl: 0;
  --bs-border-radius-pill: 0;

  --bs-link-color: var(--er-ink);
  --bs-link-hover-color: var(--er-red);
  --bs-link-decoration: none;

  --bs-code-color: var(--er-red);
  --bs-highlight-bg: #fff3a3;

  --bs-box-shadow: 4px 4px 0 var(--er-ink);
  --bs-box-shadow-sm: 2px 2px 0 var(--er-ink);
  --bs-box-shadow-lg: 8px 8px 0 var(--er-ink);

  --bs-heading-color: var(--er-ink);
  --bs-emphasis-color: var(--er-ink);
  --bs-secondary-color: var(--er-mute);
  --bs-secondary-bg: var(--er-paper-2);
  --bs-tertiary-color: var(--er-mute);
  --bs-tertiary-bg: var(--er-paper-2);

  --bs-focus-ring-width: 2px;
  --bs-focus-ring-opacity: 1;
  --bs-focus-ring-color: var(--er-red);
}

/* Dark mode — map tokens only */
[data-bs-theme="dark"] {
  --er-ink: #F5F3EE;
  --er-paper: #0A0A0A;
  --er-paper-2: #141414;
  --er-line: rgba(245, 243, 238, 0.14);
  --er-line-strong: rgba(245, 243, 238, 0.7);
  --er-mute: rgba(245, 243, 238, 0.55);
  --er-red: #FF3B3B;

  --bs-body-color: var(--er-ink);
  --bs-body-bg: var(--er-paper);
  --bs-body-color-rgb: 245, 243, 238;
  --bs-body-bg-rgb: 10, 10, 10;
  --bs-border-color: var(--er-line);
  --bs-heading-color: var(--er-ink);
  --bs-emphasis-color: var(--er-ink);
  --bs-secondary-color: var(--er-mute);
  --bs-secondary-bg: var(--er-paper-2);
  --bs-tertiary-bg: var(--er-paper-2);
  --bs-box-shadow: 4px 4px 0 var(--er-paper);
  --bs-primary: var(--er-paper);
  --bs-dark: var(--er-paper);
  --bs-light: var(--er-paper-2);
  --bs-link-color: var(--er-ink);
}

/* ==================================================================
   2. REBOOT
   ================================================================== */
*,
*::before,
*::after { box-sizing: border-box; }

@media (prefers-reduced-motion: no-preference) {
  :root { scroll-behavior: smooth; }
}

html { -webkit-text-size-adjust: 100%; -webkit-tap-highlight-color: transparent; }

body {
  margin: 0;
  font-family: var(--bs-body-font-family);
  font-size: var(--bs-body-font-size);
  font-weight: var(--bs-body-font-weight);
  line-height: var(--bs-body-line-height);
  color: var(--bs-body-color);
  background-color: var(--bs-body-bg);
  text-align: var(--bs-body-text-align, left);
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}

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

h1, h2, h3, h4, h5, h6,
.h1, .h2, .h3, .h4, .h5, .h6 {
  margin-top: 0;
  margin-bottom: 0.5rem;
  font-family: var(--er-font-display);
  font-weight: 500;
  line-height: 1.05;
  letter-spacing: -0.02em;
  color: var(--bs-heading-color);
}

h1, .h1 { font-size: clamp(2.25rem, 4vw, 3.75rem); letter-spacing: -0.035em; }
h2, .h2 { font-size: clamp(1.875rem, 3vw, 2.75rem); letter-spacing: -0.03em; }
h3, .h3 { font-size: 1.75rem; }
h4, .h4 { font-size: 1.375rem; }
h5, .h5 { font-size: 1.125rem; }
h6, .h6 { font-size: 1rem; }

.display-1 { font-family: var(--er-font-display); font-size: clamp(3.5rem, 9vw, 8rem); font-weight: 500; line-height: 0.92; letter-spacing: -0.045em; }
.display-2 { font-family: var(--er-font-display); font-size: clamp(3rem, 7vw, 6rem); font-weight: 500; line-height: 0.94; letter-spacing: -0.04em; }
.display-3 { font-family: var(--er-font-display); font-size: clamp(2.5rem, 5.5vw, 4.5rem); font-weight: 500; line-height: 0.98; letter-spacing: -0.035em; }
.display-4 { font-family: var(--er-font-display); font-size: clamp(2rem, 4.5vw, 3.5rem); font-weight: 500; line-height: 1; letter-spacing: -0.03em; }
.display-5 { font-family: var(--er-font-display); font-size: clamp(1.75rem, 3.5vw, 2.75rem); font-weight: 500; line-height: 1.05; letter-spacing: -0.025em; }
.display-6 { font-family: var(--er-font-display); font-size: clamp(1.5rem, 3vw, 2.25rem); font-weight: 500; line-height: 1.1; letter-spacing: -0.02em; }

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

.lead { font-size: 1.125rem; font-weight: 400; line-height: 1.5; color: var(--er-ink); }

abbr[title] { text-decoration: underline dotted; cursor: help; text-decoration-skip-ink: none; }
address { margin-bottom: 1rem; font-style: normal; line-height: inherit; }

ol, ul { padding-left: 2rem; }
ol, ul, dl { margin-top: 0; margin-bottom: 1rem; }
ol ol, ul ul, ol ul, ul ol { margin-bottom: 0; }
dt { font-weight: 600; }
dd { margin-bottom: .5rem; margin-left: 0; }

blockquote {
  margin: 0 0 1rem;
  padding: 0.75rem 1.25rem;
  border-left: 3px solid var(--er-ink);
  font-family: var(--er-font-display);
  font-size: 1.25rem;
  line-height: 1.4;
  letter-spacing: -0.01em;
}

b, strong { font-weight: 600; }
small, .small { font-size: 0.875em; }
mark, .mark { padding: 0.1875em; background-color: var(--bs-highlight-bg); color: var(--er-ink); }

sub, sup { position: relative; font-size: 0.75em; line-height: 0; vertical-align: baseline; }
sub { bottom: -0.25em; }
sup { top: -0.5em; }

a {
  color: var(--bs-link-color);
  text-decoration: var(--bs-link-decoration);
  transition: color .15s ease;
}
a:hover { color: var(--bs-link-hover-color); }
a:not([href]):not([class]), a:not([href]):not([class]):hover { color: inherit; text-decoration: none; }

pre, code, kbd, samp {
  font-family: var(--er-font-mono);
  font-size: 0.9em;
}
pre {
  display: block;
  margin: 0 0 1rem;
  overflow: auto;
  padding: 1rem 1.25rem;
  background: var(--er-paper-2);
  border: 1px solid var(--er-line);
  color: var(--er-ink);
  font-size: 0.8125rem;
  line-height: 1.6;
}
pre code { background: transparent; padding: 0; color: inherit; font-size: inherit; }
code {
  color: var(--bs-code-color);
  word-wrap: break-word;
  padding: 0.1em 0.35em;
  background: var(--er-paper-2);
  border: 1px solid var(--er-line);
}
a > code { color: inherit; }
kbd {
  padding: 0.2rem 0.4rem;
  font-size: 0.75em;
  color: var(--er-paper);
  background: var(--er-ink);
  border: 1px solid var(--er-ink);
}
kbd kbd { padding: 0; font-size: 1em; }

figure { margin: 0 0 1rem; }

img, svg { vertical-align: middle; }
img { max-width: 100%; height: auto; }

table {
  caption-side: bottom;
  border-collapse: collapse;
}
caption {
  padding-top: 0.5rem;
  padding-bottom: 0.5rem;
  color: var(--er-mute);
  text-align: left;
  font-family: var(--er-font-mono);
  font-size: 0.6875rem;
  letter-spacing: 0.08em;
  text-transform: uppercase;
}

th { font-weight: 600; text-align: inherit; }

label { display: inline-block; }
button { border-radius: 0; }
button:focus:not(:focus-visible) { outline: 0; }

input, button, select, optgroup, textarea {
  margin: 0;
  font-family: inherit;
  font-size: inherit;
  line-height: inherit;
}
button, select { text-transform: none; }
[role="button"] { cursor: pointer; }
select { word-wrap: normal; }
select:disabled { opacity: 1; }

button, [type="button"], [type="reset"], [type="submit"] {
  -webkit-appearance: button;
  appearance: button;
}
button:not(:disabled),
[type="button"]:not(:disabled),
[type="reset"]:not(:disabled),
[type="submit"]:not(:disabled) { cursor: pointer; }

::-moz-focus-inner { padding: 0; border-style: none; }

textarea { resize: vertical; }

fieldset { min-width: 0; padding: 0; margin: 0; border: 0; }
legend {
  float: left;
  width: 100%;
  padding: 0;
  margin-bottom: 0.5rem;
  font-size: 1.5rem;
  line-height: inherit;
  font-family: var(--er-font-display);
  font-weight: 500;
}
legend + * { clear: left; }

::-webkit-datetime-edit-fields-wrapper,
::-webkit-datetime-edit-text,
::-webkit-datetime-edit-minute,
::-webkit-datetime-edit-hour-field,
::-webkit-datetime-edit-day-field,
::-webkit-datetime-edit-month-field,
::-webkit-datetime-edit-year-field { padding: 0; }

::-webkit-inner-spin-button { height: auto; }

[type="search"] { outline-offset: -2px; -webkit-appearance: textfield; }
::-webkit-search-decoration { -webkit-appearance: none; }
::-webkit-color-swatch-wrapper { padding: 0; }
::file-selector-button { font: inherit; -webkit-appearance: button; }

output { display: inline-block; }
iframe { border: 0; }
summary { display: list-item; cursor: pointer; }
progress { vertical-align: baseline; }

[hidden] { display: none !important; }

/* Decorative mono micro-label — used in cards, headers */
.mono, .text-mono, .overline {
  font-family: var(--er-font-mono);
  font-size: 11px;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--er-mute);
}

/* ==================================================================
   3. CONTAINERS
   ================================================================== */
.container,
.container-fluid,
.container-xxl,
.container-xl,
.container-lg,
.container-md,
.container-sm {
  width: 100%;
  padding-right: var(--bs-gutter-x, 1.5rem);
  padding-left: var(--bs-gutter-x, 1.5rem);
  margin-right: auto;
  margin-left: auto;
}

@media (min-width: 576px) {
  .container-sm, .container { max-width: 540px; }
}
@media (min-width: 768px) {
  .container-md, .container-sm, .container { max-width: 720px; }
}
@media (min-width: 992px) {
  .container-lg, .container-md, .container-sm, .container { max-width: 960px; }
}
@media (min-width: 1200px) {
  .container-xl, .container-lg, .container-md, .container-sm, .container { max-width: 1140px; }
}
@media (min-width: 1400px) {
  .container-xxl, .container-xl, .container-lg, .container-md, .container-sm, .container { max-width: 1320px; }
}

/* ==================================================================
   4. GRID (12 columns, 6 breakpoints)
   ================================================================== */
.row {
  --bs-gutter-x: 1.5rem;
  --bs-gutter-y: 0;
  display: flex;
  flex-wrap: wrap;
  margin-top: calc(-1 * var(--bs-gutter-y));
  margin-right: calc(-0.5 * var(--bs-gutter-x));
  margin-left: calc(-0.5 * var(--bs-gutter-x));
}
.row > * {
  box-sizing: border-box;
  flex-shrink: 0;
  width: 100%;
  max-width: 100%;
  padding-right: calc(var(--bs-gutter-x) * 0.5);
  padding-left: calc(var(--bs-gutter-x) * 0.5);
  margin-top: var(--bs-gutter-y);
}

.col { flex: 1 0 0%; }
.row-cols-auto > * { flex: 0 0 auto; width: auto; }
.row-cols-1 > * { flex: 0 0 auto; width: 100%; }
.row-cols-2 > * { flex: 0 0 auto; width: 50%; }
.row-cols-3 > * { flex: 0 0 auto; width: 33.33333333%; }
.row-cols-4 > * { flex: 0 0 auto; width: 25%; }
.row-cols-5 > * { flex: 0 0 auto; width: 20%; }
.row-cols-6 > * { flex: 0 0 auto; width: 16.66666667%; }

.col-auto { flex: 0 0 auto; width: auto; }
.col-1  { flex: 0 0 auto; width: 8.33333333%; }
.col-2  { flex: 0 0 auto; width: 16.66666667%; }
.col-3  { flex: 0 0 auto; width: 25%; }
.col-4  { flex: 0 0 auto; width: 33.33333333%; }
.col-5  { flex: 0 0 auto; width: 41.66666667%; }
.col-6  { flex: 0 0 auto; width: 50%; }
.col-7  { flex: 0 0 auto; width: 58.33333333%; }
.col-8  { flex: 0 0 auto; width: 66.66666667%; }
.col-9  { flex: 0 0 auto; width: 75%; }
.col-10 { flex: 0 0 auto; width: 83.33333333%; }
.col-11 { flex: 0 0 auto; width: 91.66666667%; }
.col-12 { flex: 0 0 auto; width: 100%; }

.offset-1  { margin-left: 8.33333333%; }
.offset-2  { margin-left: 16.66666667%; }
.offset-3  { margin-left: 25%; }
.offset-4  { margin-left: 33.33333333%; }
.offset-5  { margin-left: 41.66666667%; }
.offset-6  { margin-left: 50%; }
.offset-7  { margin-left: 58.33333333%; }
.offset-8  { margin-left: 66.66666667%; }
.offset-9  { margin-left: 75%; }
.offset-10 { margin-left: 83.33333333%; }
.offset-11 { margin-left: 91.66666667%; }

.g-0, .gx-0 { --bs-gutter-x: 0; }
.g-0, .gy-0 { --bs-gutter-y: 0; }
.g-1, .gx-1 { --bs-gutter-x: 0.25rem; }
.g-1, .gy-1 { --bs-gutter-y: 0.25rem; }
.g-2, .gx-2 { --bs-gutter-x: 0.5rem; }
.g-2, .gy-2 { --bs-gutter-y: 0.5rem; }
.g-3, .gx-3 { --bs-gutter-x: 1rem; }
.g-3, .gy-3 { --bs-gutter-y: 1rem; }
.g-4, .gx-4 { --bs-gutter-x: 1.5rem; }
.g-4, .gy-4 { --bs-gutter-y: 1.5rem; }
.g-5, .gx-5 { --bs-gutter-x: 3rem; }
.g-5, .gy-5 { --bs-gutter-y: 3rem; }

/* Responsive grid — sm, md, lg, xl, xxl */
@media (min-width: 576px) {
  .col-sm { flex: 1 0 0%; }
  .row-cols-sm-auto > * { flex: 0 0 auto; width: auto; }
  .row-cols-sm-1 > * { flex: 0 0 auto; width: 100%; }
  .row-cols-sm-2 > * { flex: 0 0 auto; width: 50%; }
  .row-cols-sm-3 > * { flex: 0 0 auto; width: 33.33333333%; }
  .row-cols-sm-4 > * { flex: 0 0 auto; width: 25%; }
  .row-cols-sm-5 > * { flex: 0 0 auto; width: 20%; }
  .row-cols-sm-6 > * { flex: 0 0 auto; width: 16.66666667%; }
  .col-sm-auto { flex: 0 0 auto; width: auto; }
  .col-sm-1 { flex: 0 0 auto; width: 8.33333333%; }
  .col-sm-2 { flex: 0 0 auto; width: 16.66666667%; }
  .col-sm-3 { flex: 0 0 auto; width: 25%; }
  .col-sm-4 { flex: 0 0 auto; width: 33.33333333%; }
  .col-sm-5 { flex: 0 0 auto; width: 41.66666667%; }
  .col-sm-6 { flex: 0 0 auto; width: 50%; }
  .col-sm-7 { flex: 0 0 auto; width: 58.33333333%; }
  .col-sm-8 { flex: 0 0 auto; width: 66.66666667%; }
  .col-sm-9 { flex: 0 0 auto; width: 75%; }
  .col-sm-10 { flex: 0 0 auto; width: 83.33333333%; }
  .col-sm-11 { flex: 0 0 auto; width: 91.66666667%; }
  .col-sm-12 { flex: 0 0 auto; width: 100%; }
}
@media (min-width: 768px) {
  .col-md { flex: 1 0 0%; }
  .row-cols-md-auto > * { flex: 0 0 auto; width: auto; }
  .row-cols-md-1 > * { flex: 0 0 auto; width: 100%; }
  .row-cols-md-2 > * { flex: 0 0 auto; width: 50%; }
  .row-cols-md-3 > * { flex: 0 0 auto; width: 33.33333333%; }
  .row-cols-md-4 > * { flex: 0 0 auto; width: 25%; }
  .row-cols-md-5 > * { flex: 0 0 auto; width: 20%; }
  .row-cols-md-6 > * { flex: 0 0 auto; width: 16.66666667%; }
  .col-md-auto { flex: 0 0 auto; width: auto; }
  .col-md-1 { flex: 0 0 auto; width: 8.33333333%; }
  .col-md-2 { flex: 0 0 auto; width: 16.66666667%; }
  .col-md-3 { flex: 0 0 auto; width: 25%; }
  .col-md-4 { flex: 0 0 auto; width: 33.33333333%; }
  .col-md-5 { flex: 0 0 auto; width: 41.66666667%; }
  .col-md-6 { flex: 0 0 auto; width: 50%; }
  .col-md-7 { flex: 0 0 auto; width: 58.33333333%; }
  .col-md-8 { flex: 0 0 auto; width: 66.66666667%; }
  .col-md-9 { flex: 0 0 auto; width: 75%; }
  .col-md-10 { flex: 0 0 auto; width: 83.33333333%; }
  .col-md-11 { flex: 0 0 auto; width: 91.66666667%; }
  .col-md-12 { flex: 0 0 auto; width: 100%; }
}
@media (min-width: 992px) {
  .col-lg { flex: 1 0 0%; }
  .row-cols-lg-auto > * { flex: 0 0 auto; width: auto; }
  .row-cols-lg-1 > * { flex: 0 0 auto; width: 100%; }
  .row-cols-lg-2 > * { flex: 0 0 auto; width: 50%; }
  .row-cols-lg-3 > * { flex: 0 0 auto; width: 33.33333333%; }
  .row-cols-lg-4 > * { flex: 0 0 auto; width: 25%; }
  .row-cols-lg-5 > * { flex: 0 0 auto; width: 20%; }
  .row-cols-lg-6 > * { flex: 0 0 auto; width: 16.66666667%; }
  .col-lg-auto { flex: 0 0 auto; width: auto; }
  .col-lg-1 { flex: 0 0 auto; width: 8.33333333%; }
  .col-lg-2 { flex: 0 0 auto; width: 16.66666667%; }
  .col-lg-3 { flex: 0 0 auto; width: 25%; }
  .col-lg-4 { flex: 0 0 auto; width: 33.33333333%; }
  .col-lg-5 { flex: 0 0 auto; width: 41.66666667%; }
  .col-lg-6 { flex: 0 0 auto; width: 50%; }
  .col-lg-7 { flex: 0 0 auto; width: 58.33333333%; }
  .col-lg-8 { flex: 0 0 auto; width: 66.66666667%; }
  .col-lg-9 { flex: 0 0 auto; width: 75%; }
  .col-lg-10 { flex: 0 0 auto; width: 83.33333333%; }
  .col-lg-11 { flex: 0 0 auto; width: 91.66666667%; }
  .col-lg-12 { flex: 0 0 auto; width: 100%; }
}
@media (min-width: 1200px) {
  .col-xl { flex: 1 0 0%; }
  .row-cols-xl-auto > * { flex: 0 0 auto; width: auto; }
  .row-cols-xl-1 > * { flex: 0 0 auto; width: 100%; }
  .row-cols-xl-2 > * { flex: 0 0 auto; width: 50%; }
  .row-cols-xl-3 > * { flex: 0 0 auto; width: 33.33333333%; }
  .row-cols-xl-4 > * { flex: 0 0 auto; width: 25%; }
  .col-xl-auto { flex: 0 0 auto; width: auto; }
  .col-xl-1 { flex: 0 0 auto; width: 8.33333333%; }
  .col-xl-2 { flex: 0 0 auto; width: 16.66666667%; }
  .col-xl-3 { flex: 0 0 auto; width: 25%; }
  .col-xl-4 { flex: 0 0 auto; width: 33.33333333%; }
  .col-xl-5 { flex: 0 0 auto; width: 41.66666667%; }
  .col-xl-6 { flex: 0 0 auto; width: 50%; }
  .col-xl-7 { flex: 0 0 auto; width: 58.33333333%; }
  .col-xl-8 { flex: 0 0 auto; width: 66.66666667%; }
  .col-xl-9 { flex: 0 0 auto; width: 75%; }
  .col-xl-10 { flex: 0 0 auto; width: 83.33333333%; }
  .col-xl-11 { flex: 0 0 auto; width: 91.66666667%; }
  .col-xl-12 { flex: 0 0 auto; width: 100%; }
}

/* ==================================================================
   5. TABLES
   ================================================================== */
.table {
  --bs-table-bg: transparent;
  --bs-table-border-color: var(--er-line);
  --bs-table-striped-bg: var(--er-paper-2);
  --bs-table-hover-bg: var(--er-paper-2);
  width: 100%;
  margin-bottom: 1rem;
  vertical-align: top;
  border-color: var(--bs-table-border-color);
  font-family: var(--er-font-body);
  font-size: 0.9375rem;
}
.table > :not(caption) > * > * {
  padding: 0.875rem 0.75rem;
  background-color: var(--bs-table-bg);
  border-bottom-width: 1px;
  border-bottom-style: solid;
  border-bottom-color: var(--bs-table-border-color);
}
.table > tbody { vertical-align: inherit; }
.table > thead {
  vertical-align: bottom;
  border-bottom: 1px solid var(--er-ink);
}
.table > thead th {
  font-family: var(--er-font-mono);
  font-size: 11px;
  font-weight: 600;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--er-ink);
  padding-top: 0.5rem;
  padding-bottom: 0.5rem;
}
.table-sm > :not(caption) > * > * { padding: 0.35rem 0.5rem; }
.table-bordered > :not(caption) > * { border-width: 1px 0; }
.table-bordered > :not(caption) > * > * { border-width: 0 1px; }
.table-borderless > :not(caption) > * > * { border-bottom-width: 0; }
.table-striped > tbody > tr:nth-of-type(odd) > * { background-color: var(--bs-table-striped-bg); }
.table-hover > tbody > tr:hover > * { background-color: var(--bs-table-hover-bg); color: var(--er-ink); }
.table-dark.table-hover > tbody > tr:hover > * { background-color: rgba(245,243,238,0.1); color: var(--er-paper); }
.table-dark { --bs-table-bg: var(--er-ink); --bs-table-border-color: rgba(245,243,238,0.2); color: var(--er-paper); }
.table-dark > thead { border-bottom-color: var(--er-paper); }
.table-dark > thead th,
.table > thead.table-dark th,
.table > tbody > tr.table-dark > th,
.table > tbody > tr.table-dark > td,
.table > thead > tr.table-dark > th { color: var(--er-paper); background-color: var(--er-ink); }

.table-responsive { overflow-x: auto; -webkit-overflow-scrolling: touch; }

/* ==================================================================
   6. FORMS
   ================================================================== */
.form-label {
  display: block;
  margin-bottom: 0.375rem;
  font-family: var(--er-font-mono);
  font-size: 10px;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--er-mute);
}
.col-form-label {
  padding-top: calc(0.5rem + 1px);
  padding-bottom: calc(0.5rem + 1px);
  margin-bottom: 0;
  font-family: var(--er-font-mono);
  font-size: 10px;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--er-mute);
  line-height: 1.5;
}
.form-text {
  margin-top: 0.375rem;
  font-size: 0.8125rem;
  color: var(--er-mute);
}
.form-control {
  display: block;
  width: 100%;
  padding: 0.625rem 0;
  font-family: var(--er-font-body);
  font-size: 1rem;
  font-weight: 400;
  line-height: 1.5;
  color: var(--er-ink);
  background-color: transparent;
  background-clip: padding-box;
  border: 0;
  border-bottom: 1px solid var(--er-ink);
  appearance: none;
  border-radius: 0;
  transition: border-color .15s ease, border-width .15s ease;
}
.form-control::placeholder { color: var(--er-mute); opacity: 1; }
.form-control:focus {
  outline: 0;
  border-bottom-color: var(--er-red);
  box-shadow: 0 1px 0 0 var(--er-red);
}
.form-control:disabled,
.form-control[readonly] { opacity: 0.55; background-color: transparent; }
.form-control[type="file"] { overflow: hidden; padding: 0.5rem 0; }
.form-control[type="file"]:not(:disabled):not([readonly]) { cursor: pointer; }
.form-control::file-selector-button {
  padding: 0.5rem 0.9rem;
  margin: -0.5rem 0.75rem -0.5rem -0.25rem;
  color: var(--er-paper);
  background-color: var(--er-ink);
  border: 0;
  font-family: var(--er-font-mono);
  font-size: 11px;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  cursor: pointer;
}

.form-control-sm { padding: 0.375rem 0; font-size: 0.875rem; }
.form-control-lg { padding: 0.875rem 0; font-size: 1.125rem; }

textarea.form-control { min-height: calc(1.5em + 1.25rem + 2px); padding: 0.625rem 0.75rem; border: 1px solid var(--er-ink); }
textarea.form-control:focus { border-color: var(--er-red); box-shadow: inset 0 0 0 1px var(--er-red); }

.form-select {
  display: block;
  width: 100%;
  padding: 0.625rem 2rem 0.625rem 0;
  font-family: var(--er-font-body);
  font-size: 1rem;
  color: var(--er-ink);
  background-color: transparent;
  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='%230A0A0A' stroke-width='1.5' d='M2 5l6 6 6-6'/%3E%3C/svg%3E");
  background-repeat: no-repeat;
  background-position: right 0 center;
  background-size: 14px 14px;
  border: 0;
  border-bottom: 1px solid var(--er-ink);
  border-radius: 0;
  appearance: none;
  transition: border-color .15s ease;
}
.form-select:focus { outline: 0; border-bottom-color: var(--er-red); }
.form-select[multiple], .form-select[size]:not([size="1"]) { background-image: none; padding-right: 0.75rem; }

.form-check {
  display: block;
  min-height: 1.5rem;
  padding-left: 1.75rem;
  margin-bottom: 0.5rem;
}
.form-check-input {
  float: left;
  margin-left: -1.75rem;
  width: 1.125rem;
  height: 1.125rem;
  margin-top: 0.2rem;
  vertical-align: top;
  background-color: var(--er-paper);
  background-repeat: no-repeat;
  background-position: center;
  background-size: contain;
  border: 1.5px solid var(--er-ink);
  appearance: none;
  print-color-adjust: exact;
  cursor: pointer;
}
.form-check-input[type="radio"] { border-radius: 50%; }
.form-check-input:checked {
  background-color: var(--er-ink);
  border-color: var(--er-ink);
}
.form-check-input[type="checkbox"]:checked {
  background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 20 20'%3E%3Cpath fill='none' stroke='%23F5F3EE' stroke-linecap='square' stroke-width='3' d='M4 10l4 4 8-8'/%3E%3C/svg%3E");
}
.form-check-input[type="radio"]:checked {
  background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='-4 -4 8 8'%3E%3Ccircle r='2' fill='%23F5F3EE'/%3E%3C/svg%3E");
}
.form-check-input:focus {
  outline: 0;
  box-shadow: 0 0 0 2px var(--er-red);
}
.form-check-label { cursor: pointer; font-size: 0.9375rem; }
.form-check-inline { display: inline-block; margin-right: 1rem; }

.form-switch { padding-left: 2.5rem; }
.form-switch .form-check-input {
  width: 2rem; height: 1.125rem; margin-left: -2.5rem;
  background-color: var(--er-paper-2);
  background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='-4 -4 8 8'%3E%3Ccircle r='3' fill='%230A0A0A'/%3E%3C/svg%3E");
  background-position: left center;
  border-color: var(--er-ink);
  transition: background-position .15s ease-in-out;
}
.form-switch .form-check-input:checked {
  background-position: right center;
  background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='-4 -4 8 8'%3E%3Ccircle r='3' fill='%23F5F3EE'/%3E%3C/svg%3E");
}

.form-range {
  width: 100%; height: 1.5rem; padding: 0; background: transparent; appearance: none;
}
.form-range::-webkit-slider-thumb {
  width: 1rem; height: 1rem; margin-top: -0.375rem;
  background: var(--er-ink); border: 0; appearance: none; cursor: pointer;
}
.form-range::-webkit-slider-runnable-track {
  width: 100%; height: 0.25rem; background: var(--er-paper-2); border: 1px solid var(--er-line); cursor: pointer;
}
.form-range::-moz-range-thumb {
  width: 1rem; height: 1rem; background: var(--er-ink); border: 0; cursor: pointer; border-radius: 0;
}
.form-range::-moz-range-track { width: 100%; height: 0.25rem; background: var(--er-paper-2); border: 1px solid var(--er-line); }

.form-floating { position: relative; }
.form-floating > .form-control,
.form-floating > .form-select {
  height: calc(3.5rem + 2px);
  padding: 1.625rem 0.75rem 0.625rem;
  border: 1px solid var(--er-ink);
}
.form-floating > label {
  position: absolute; top: 0; left: 0;
  padding: 1rem 0.75rem;
  pointer-events: none;
  border: 1px solid transparent;
  transform-origin: 0 0;
  transition: opacity .1s ease-in-out, transform .1s ease-in-out;
  font-family: var(--er-font-mono); font-size: 11px; letter-spacing: 0.08em;
  text-transform: uppercase; color: var(--er-mute);
}
.form-floating > .form-control:focus ~ label,
.form-floating > .form-control:not(:placeholder-shown) ~ label,
.form-floating > .form-select ~ label {
  opacity: 1; transform: scale(0.85) translateY(-0.75rem) translateX(0.15rem);
}

/* Input group */
.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; }
.input-group-text {
  display: flex; align-items: center;
  padding: 0.5rem 0.9rem;
  font-family: var(--er-font-mono); font-size: 11px; letter-spacing: 0.08em; text-transform: uppercase;
  color: var(--er-paper); background-color: var(--er-ink); border: 1px solid var(--er-ink);
}
.input-group > :not(:first-child):not(.dropdown-menu) { margin-left: -1px; }

/* Validation */
.valid-feedback, .invalid-feedback {
  display: none; width: 100%; margin-top: 0.25rem;
  font-family: var(--er-font-mono); font-size: 11px; letter-spacing: 0.04em; text-transform: uppercase;
}
.valid-feedback { color: #0B8A3B; }
.invalid-feedback { color: var(--er-red); }
.was-validated .form-control:valid, .form-control.is-valid { border-bottom-color: #0B8A3B; }
.was-validated .form-control:invalid, .form-control.is-invalid { border-bottom-color: var(--er-red); }
.was-validated .form-control:valid ~ .valid-feedback,
.was-validated .form-control:invalid ~ .invalid-feedback,
.form-control.is-valid ~ .valid-feedback,
.form-control.is-invalid ~ .invalid-feedback { display: block; }

/* ==================================================================
   7. BUTTONS
   ================================================================== */
.btn {
  --btn-color: var(--er-paper);
  --btn-bg: var(--er-ink);
  --btn-border: var(--er-ink);
  --btn-hover-shadow: var(--er-ink);
  display: inline-flex; align-items: center; justify-content: center; gap: 0.625rem;
  padding: 0.75rem 1.25rem;
  font-family: var(--er-font-mono); font-size: 12px; font-weight: 500;
  letter-spacing: 0.08em; text-transform: uppercase;
  text-align: center; text-decoration: none; vertical-align: middle;
  cursor: pointer; user-select: none;
  border: 1px solid var(--btn-border);
  background-color: var(--btn-bg);
  color: var(--btn-color);
  border-radius: 0;
  transition: transform .15s ease, box-shadow .15s ease, background-color .15s ease, color .15s ease, border-color .15s ease;
}
.btn:hover:not(:disabled):not(.disabled) {
  transform: translate(-2px, -2px);
  box-shadow: 4px 4px 0 var(--btn-hover-shadow);
  color: var(--btn-color);
}
.btn:active:not(:disabled):not(.disabled) {
  transform: translate(0, 0); box-shadow: 2px 2px 0 var(--btn-hover-shadow);
}
.btn:focus-visible {
  outline: 2px solid var(--er-red); outline-offset: 3px;
}
.btn:disabled, .btn.disabled { opacity: 0.45; pointer-events: none; }

/* Primary — ink */
.btn-primary { --btn-color: var(--er-paper); --btn-bg: var(--er-ink); --btn-border: var(--er-ink); --btn-hover-shadow: var(--er-ink); color: var(--er-paper); background-color: var(--er-ink); border-color: var(--er-ink); }
.btn-primary:hover, .btn-primary:focus, .btn-primary:active { color: var(--er-paper) !important; background-color: var(--er-ink) !important; border-color: var(--er-ink) !important; }
/* Secondary — ghost/outline style filled */
.btn-secondary { --btn-color: var(--er-paper); --btn-bg: var(--er-mute); --btn-border: var(--er-mute); --btn-hover-shadow: var(--er-ink); color: var(--er-paper); background-color: var(--er-mute); border-color: var(--er-mute); }
.btn-secondary:hover, .btn-secondary:focus, .btn-secondary:active { color: var(--er-paper) !important; background-color: var(--er-mute) !important; border-color: var(--er-mute) !important; }
/* Danger — brand red */
.btn-danger { --btn-color: #fff; --btn-bg: var(--er-red); --btn-border: var(--er-red); --btn-hover-shadow: var(--er-red); color: #fff; background-color: var(--er-red); border-color: var(--er-red); }
.btn-danger:hover, .btn-danger:focus, .btn-danger:active { color: #fff !important; background-color: var(--er-red) !important; border-color: var(--er-red) !important; }
/* Success */
.btn-success { --btn-color: #fff; --btn-bg: #0B8A3B; --btn-border: #0B8A3B; --btn-hover-shadow: #0B8A3B; color: #fff; background-color: #0B8A3B; border-color: #0B8A3B; }
.btn-success:hover, .btn-success:focus, .btn-success:active { color: #fff !important; background-color: #0B8A3B !important; border-color: #0B8A3B !important; }
/* Info */
.btn-info { --btn-color: #fff; --btn-bg: var(--er-blue); --btn-border: var(--er-blue); --btn-hover-shadow: var(--er-blue); color: #fff; background-color: var(--er-blue); border-color: var(--er-blue); }
.btn-info:hover, .btn-info:focus, .btn-info:active { color: #fff !important; background-color: var(--er-blue) !important; border-color: var(--er-blue) !important; }
/* Warning */
.btn-warning { --btn-color: var(--er-ink); --btn-bg: #F3E800; --btn-border: var(--er-ink); --btn-hover-shadow: var(--er-ink); color: var(--er-ink); background-color: #F3E800; border-color: var(--er-ink); }
.btn-warning:hover, .btn-warning:focus, .btn-warning:active { color: var(--er-ink) !important; background-color: #F3E800 !important; border-color: var(--er-ink) !important; }
/* Light */
.btn-light { --btn-color: var(--er-ink); --btn-bg: var(--er-paper-2); --btn-border: var(--er-ink); --btn-hover-shadow: var(--er-ink); color: var(--er-ink); background-color: var(--er-paper-2); border-color: var(--er-ink); }
.btn-light:hover, .btn-light:focus, .btn-light:active { color: var(--er-ink) !important; background-color: var(--er-paper-2) !important; border-color: var(--er-ink) !important; }
/* Dark */
.btn-dark { --btn-color: var(--er-paper); --btn-bg: var(--er-ink); --btn-border: var(--er-ink); --btn-hover-shadow: var(--er-ink); color: var(--er-paper); background-color: var(--er-ink); border-color: var(--er-ink); }
.btn-dark:hover, .btn-dark:focus, .btn-dark:active { color: var(--er-paper) !important; background-color: var(--er-ink) !important; border-color: var(--er-ink) !important; }
/* Link */
.btn-link {
  --btn-color: var(--er-ink); --btn-bg: transparent; --btn-border: transparent;
  text-decoration: none; padding-left: 0; padding-right: 0;
  border-bottom: 1px solid var(--er-ink);
  letter-spacing: 0.04em;
}
.btn-link:hover { transform: none; box-shadow: none; color: var(--er-red); border-bottom-color: var(--er-red); }

/* Outline variants */
.btn-outline-primary   { --btn-color: var(--er-ink); --btn-bg: transparent; --btn-border: var(--er-ink); --btn-hover-shadow: var(--er-ink); }
.btn-outline-primary:hover   { background: var(--er-ink) !important; color: var(--er-paper) !important; }
.btn-outline-secondary { --btn-color: var(--er-mute); --btn-bg: transparent; --btn-border: var(--er-mute); --btn-hover-shadow: var(--er-mute); }
.btn-outline-secondary:hover { background: var(--er-mute) !important; color: var(--er-paper) !important; }
.btn-outline-danger    { --btn-color: var(--er-red); --btn-bg: transparent; --btn-border: var(--er-red); --btn-hover-shadow: var(--er-red); }
.btn-outline-danger:hover    { background: var(--er-red) !important; color: #fff !important; }
.btn-outline-success   { --btn-color: #0B8A3B; --btn-bg: transparent; --btn-border: #0B8A3B; --btn-hover-shadow: #0B8A3B; }
.btn-outline-success:hover   { background: #0B8A3B !important; color: #fff !important; }
.btn-outline-info      { --btn-color: var(--er-blue); --btn-bg: transparent; --btn-border: var(--er-blue); --btn-hover-shadow: var(--er-blue); }
.btn-outline-info:hover      { background: var(--er-blue) !important; color: #fff !important; }
.btn-outline-warning   { --btn-color: var(--er-ink); --btn-bg: transparent; --btn-border: var(--er-ink); --btn-hover-shadow: #F3E800; }
.btn-outline-warning:hover   { background: #F3E800 !important; color: var(--er-ink) !important; }
.btn-outline-light     { --btn-color: var(--er-ink); --btn-bg: transparent; --btn-border: var(--er-line-strong); --btn-hover-shadow: var(--er-ink); }
.btn-outline-light:hover     { background: var(--er-paper-2); color: var(--er-ink); }
.btn-outline-dark      { --btn-color: var(--er-ink); --btn-bg: transparent; --btn-border: var(--er-ink); --btn-hover-shadow: var(--er-ink); }
.btn-outline-dark:hover      { background: var(--er-ink) !important; color: var(--er-paper) !important; }

.btn-sm { padding: 0.45rem 0.85rem; font-size: 10px; }
.btn-lg { padding: 1rem 1.6rem; font-size: 13px; }

.btn-group, .btn-group-vertical {
  position: relative; display: inline-flex; vertical-align: middle;
}
.btn-group > .btn { position: relative; flex: 1 1 auto; }
.btn-group > :not(:first-child) { margin-left: -1px; }
.btn-group-vertical { flex-direction: column; }
.btn-group-vertical > .btn { width: 100%; }
.btn-group-vertical > :not(:first-child) { margin-top: -1px; }
.btn-toolbar { display: flex; flex-wrap: wrap; justify-content: flex-start; gap: 0.5rem; }

/* ==================================================================
   8. DROPDOWN
   ================================================================== */
.dropdown, .dropend, .dropstart, .dropup { position: relative; }
.dropdown-toggle::after {
  display: inline-block; margin-left: 0.4em;
  vertical-align: 0.15em;
  content: "";
  border-top: 5px solid; border-right: 4px solid transparent;
  border-bottom: 0; border-left: 4px solid transparent;
}
.dropdown-menu {
  position: absolute; top: 100%; left: 0; z-index: 1000;
  display: none; min-width: 12rem; padding: 0.5rem 0; margin: 0.25rem 0 0;
  font-size: 14px; color: var(--er-ink);
  text-align: left; list-style: none;
  background-color: var(--er-paper);
  background-clip: padding-box;
  border: 1px solid var(--er-ink);
  box-shadow: 4px 4px 0 var(--er-ink);
}
.dropdown-menu.show { display: block; }
.dropdown-item {
  display: block; width: 100%;
  padding: 0.5rem 1rem;
  clear: both; font-weight: 400; color: var(--er-ink); text-align: inherit; white-space: nowrap;
  background-color: transparent; border: 0;
  font-family: var(--er-font-body);
  transition: background-color .1s ease, color .1s ease;
}
.dropdown-item:hover, .dropdown-item:focus { background-color: var(--er-ink); color: var(--er-paper) !important; }
.dropdown-item:hover *, .dropdown-item:focus * { color: var(--er-paper) !important; }
.dropdown-item.active, .dropdown-item:active { background-color: var(--er-red); color: #fff; }
.dropdown-item.disabled, .dropdown-item:disabled { color: var(--er-mute); pointer-events: none; background-color: transparent; }
.dropdown-divider { height: 0; margin: 0.5rem 0; overflow: hidden; border-top: 1px solid var(--er-line); }
.dropdown-header {
  display: block; padding: 0.35rem 1rem;
  font-family: var(--er-font-mono); font-size: 10px; letter-spacing: 0.1em;
  text-transform: uppercase; color: var(--er-mute); white-space: nowrap;
}
.dropdown-menu-dark {
  background: var(--er-ink); color: var(--er-paper); border-color: var(--er-paper);
  box-shadow: 4px 4px 0 var(--er-paper);
}
.dropdown-menu-dark .dropdown-item { color: var(--er-paper); }
.dropdown-menu-dark .dropdown-item:hover { background: var(--er-paper); color: var(--er-ink); }

/* ==================================================================
   9. NAV / NAVBAR / TABS / PILLS
   ================================================================== */
.nav {
  display: flex; flex-wrap: wrap; padding-left: 0; margin-bottom: 0; list-style: none;
}
.nav-link {
  display: block;
  padding: 0.625rem 1rem;
  font-family: var(--er-font-mono); font-size: 12px;
  letter-spacing: 0.08em; text-transform: uppercase;
  color: var(--er-ink); opacity: 0.7;
  text-decoration: none;
  transition: opacity .15s ease, color .15s ease;
}
.nav-link:hover, .nav-link:focus { opacity: 1; color: var(--er-ink); }
.nav-link.disabled { color: var(--er-mute); pointer-events: none; cursor: default; opacity: 0.4; }

.nav-tabs {
  border-bottom: 1px solid var(--er-ink);
}
.nav-tabs .nav-link {
  margin-bottom: -1px;
  background: transparent;
  border: 1px solid transparent;
  border-bottom: 1px solid var(--er-ink);
  padding: 0.75rem 1.25rem;
  opacity: 0.7;
}
.nav-tabs .nav-link:hover { opacity: 1; border-color: var(--er-line) var(--er-line) var(--er-ink); }
.nav-tabs .nav-link.active,
.nav-tabs .nav-item.show .nav-link {
  color: var(--er-ink) !important;
  background-color: var(--er-paper);
  border-color: var(--er-ink) var(--er-ink) var(--er-paper);
  opacity: 1;
  position: relative;
}
.nav-tabs .nav-link:hover:not(.active) { color: var(--er-ink); background-color: var(--er-paper-2); }
.nav-tabs .nav-link.active::after {
  content: ''; position: absolute; top: 0; left: 0; right: 0; height: 3px; background: var(--er-red);
}

.nav-pills .nav-link {
  padding: 0.5rem 1rem;
  border: 1px solid transparent;
  opacity: 1;
}
.nav-pills .nav-link:hover { background: var(--er-paper-2); border-color: var(--er-line); }
.nav-pills .nav-link.active,
.nav-pills .show > .nav-link {
  color: var(--er-paper) !important;
  background-color: var(--er-ink);
  border-color: var(--er-ink);
}
.nav-pills .nav-link:hover:not(.active) { color: var(--er-ink); }

.nav-fill > .nav-link, .nav-fill .nav-item { flex: 1 1 auto; text-align: center; }
.nav-justified > .nav-link, .nav-justified .nav-item { flex-basis: 0; flex-grow: 1; text-align: center; }

.tab-content > .tab-pane { display: none; }
.tab-content > .active { display: block; }

/* Navbar */
.navbar {
  position: relative;
  display: flex; flex-wrap: wrap; align-items: center; justify-content: space-between;
  padding-top: 0.875rem; padding-bottom: 0.875rem;
  background: color-mix(in srgb, var(--er-paper) 88%, transparent);
  backdrop-filter: blur(10px);
  border-bottom: 1px solid var(--er-line);
}
.navbar > .container, .navbar > .container-fluid,
.navbar > .container-sm, .navbar > .container-md,
.navbar > .container-lg, .navbar > .container-xl,
.navbar > .container-xxl {
  display: flex; flex-wrap: inherit; align-items: center; justify-content: space-between;
}
.navbar-brand {
  padding-top: 0.25rem; padding-bottom: 0.25rem;
  margin-right: 1.5rem;
  font-family: var(--er-font-display); font-size: 1.0625rem; font-weight: 600; letter-spacing: -0.01em;
  color: var(--er-ink); text-decoration: none; white-space: nowrap;
  display: inline-flex; align-items: center; gap: 0.625rem;
}
.navbar-brand:hover { color: var(--er-ink); }
.navbar-nav { display: flex; flex-direction: column; padding-left: 0; margin-bottom: 0; list-style: none; }
.navbar-nav .nav-link { padding: 0.5rem 0.9rem; font-family: var(--er-font-mono); font-size: 12px; letter-spacing: 0.08em; text-transform: uppercase; }
.navbar-nav .nav-link.active, .navbar-nav .show > .nav-link { opacity: 1; color: var(--er-red); }
.navbar-nav .dropdown-menu { position: static; }
.navbar-text { padding-top: 0.5rem; padding-bottom: 0.5rem; color: var(--er-mute); font-size: 0.875rem; }
.navbar-collapse { flex-basis: 100%; flex-grow: 1; align-items: center; }
.navbar-toggler {
  padding: 0.5rem 0.75rem;
  font-family: var(--er-font-mono); font-size: 11px; letter-spacing: 0.08em; text-transform: uppercase;
  line-height: 1; background: transparent;
  border: 1px solid var(--er-ink);
  color: var(--er-ink);
  transition: box-shadow .15s ease;
}
.navbar-toggler:focus { outline: 0; box-shadow: 2px 2px 0 var(--er-ink); }
.navbar-toggler-icon {
  display: inline-block; width: 1.2em; height: 1.2em; 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='%230A0A0A' stroke-width='2' stroke-linecap='square' d='M4 7h22M4 15h22M4 23h22'/%3E%3C/svg%3E");
  background-repeat: no-repeat; background-position: center; background-size: 100%;
}

@media (min-width: 576px) {
  .navbar-expand-sm { flex-wrap: nowrap; justify-content: flex-start; }
  .navbar-expand-sm .navbar-nav { flex-direction: row; }
  .navbar-expand-sm .navbar-nav .nav-link { padding-right: 0.75rem; padding-left: 0.75rem; }
  .navbar-expand-sm .navbar-collapse { display: flex !important; flex-basis: auto; }
  .navbar-expand-sm .navbar-toggler { display: none; }
}
@media (min-width: 768px) {
  .navbar-expand-md { flex-wrap: nowrap; justify-content: flex-start; }
  .navbar-expand-md .navbar-nav { flex-direction: row; }
  .navbar-expand-md .navbar-nav .nav-link { padding-right: 0.75rem; padding-left: 0.75rem; }
  .navbar-expand-md .navbar-collapse { display: flex !important; flex-basis: auto; }
  .navbar-expand-md .navbar-toggler { display: none; }
}
@media (min-width: 992px) {
  .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: 0.75rem; padding-left: 0.75rem; }
  .navbar-expand-lg .navbar-collapse { display: flex !important; flex-basis: auto; }
  .navbar-expand-lg .navbar-toggler { display: none; }
}
@media (min-width: 1200px) {
  .navbar-expand-xl { flex-wrap: nowrap; justify-content: flex-start; }
  .navbar-expand-xl .navbar-nav { flex-direction: row; }
  .navbar-expand-xl .navbar-collapse { display: flex !important; flex-basis: auto; }
  .navbar-expand-xl .navbar-toggler { display: none; }
}
.navbar-expand { flex-wrap: nowrap; justify-content: flex-start; }
.navbar-expand .navbar-nav { flex-direction: row; }
.navbar-expand .navbar-collapse { display: flex !important; flex-basis: auto; }
.navbar-expand .navbar-toggler { display: none; }

/* Dark navbar */
.navbar-dark, .navbar[data-bs-theme="dark"] {
  background: var(--er-ink);
  border-bottom-color: rgba(245,243,238,0.14);
}
.navbar-dark .navbar-brand,
.navbar[data-bs-theme="dark"] .navbar-brand { color: var(--er-paper); }
.navbar-dark .nav-link,
.navbar[data-bs-theme="dark"] .nav-link { color: var(--er-paper); opacity: 0.7; }
.navbar-dark .nav-link:hover,
.navbar[data-bs-theme="dark"] .nav-link:hover { opacity: 1; color: var(--er-paper); }
.navbar-dark .nav-link.active,
.navbar[data-bs-theme="dark"] .nav-link.active { color: #FF5A5A; opacity: 1; }
.navbar-dark .navbar-toggler,
.navbar[data-bs-theme="dark"] .navbar-toggler {
  color: var(--er-paper); border-color: var(--er-paper);
}
.navbar-dark .navbar-toggler-icon,
.navbar[data-bs-theme="dark"] .navbar-toggler-icon {
  background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 30 30'%3E%3Cpath stroke='%23F5F3EE' stroke-width='2' stroke-linecap='square' d='M4 7h22M4 15h22M4 23h22'/%3E%3C/svg%3E");
}

/* ==================================================================
   10. CARD
   ================================================================== */
.card {
  position: relative;
  display: flex; flex-direction: column;
  min-width: 0; word-wrap: break-word;
  background-color: var(--er-paper);
  background-clip: border-box;
  border: 1px solid var(--er-ink);
  border-radius: 0;
  transition: transform .15s ease, box-shadow .15s ease;
}
.card > hr { margin-right: 0; margin-left: 0; }
.card > .list-group { border-top: inherit; border-bottom: inherit; }
.card > .list-group:first-child { border-top-width: 0; }
.card > .list-group:last-child { border-bottom-width: 0; }
.card > .card-header + .list-group,
.card > .list-group + .card-footer { border-top: 0; }
.card-body { flex: 1 1 auto; padding: 1.5rem; }
.card-title {
  margin-bottom: 0.75rem;
  font-family: var(--er-font-display); font-size: 1.375rem; font-weight: 500;
  letter-spacing: -0.02em; line-height: 1.15;
}
.card-subtitle {
  margin-top: -0.375rem; margin-bottom: 0;
  font-family: var(--er-font-mono); font-size: 11px;
  letter-spacing: 0.08em; text-transform: uppercase; color: var(--er-mute);
}
.card-text:last-child { margin-bottom: 0; }
.card-link + .card-link { margin-left: 1rem; }
.card-header {
  padding: 0.875rem 1.5rem;
  margin-bottom: 0;
  background-color: transparent;
  border-bottom: 1px solid var(--er-line);
  font-family: var(--er-font-mono); font-size: 11px;
  letter-spacing: 0.08em; text-transform: uppercase; color: var(--er-mute);
}
.card-footer {
  padding: 0.875rem 1.5rem;
  background-color: transparent;
  border-top: 1px solid var(--er-line);
  font-family: var(--er-font-mono); font-size: 11px;
  letter-spacing: 0.08em; text-transform: uppercase; color: var(--er-mute);
}
.card-header-tabs { margin-right: -0.75rem; margin-bottom: -0.875rem; margin-left: -0.75rem; border-bottom: 0; }
.card-header-pills { margin-right: -0.75rem; margin-left: -0.75rem; }
.card-img-overlay {
  position: absolute; top: 0; right: 0; bottom: 0; left: 0;
  padding: 1.5rem;
}
.card-img, .card-img-top, .card-img-bottom { width: 100%; display: block; }
.card-group { display: flex; flex-direction: column; }
@media (min-width: 576px) {
  .card-group { flex-flow: row wrap; }
  .card-group > .card { flex: 1 0 0%; margin-bottom: 0; }
  .card-group > .card + .card { margin-left: -1px; }
}

/* Accent card — red top stripe */
.card.card-accent::before {
  content: ''; position: absolute; top: -1px; left: -1px; right: -1px; height: 4px; background: var(--er-red);
}

/* ==================================================================
   11. ACCORDION (simplified, requires BS JS)
   ================================================================== */
.accordion { --bs-accordion-border-color: var(--er-ink); }
.accordion-item {
  background-color: var(--er-paper);
  border: 1px solid var(--er-ink);
  border-radius: 0;
}
.accordion-item + .accordion-item { border-top: 0; }
.accordion-button {
  position: relative;
  display: flex; align-items: center; width: 100%;
  padding: 1rem 1.25rem;
  font-family: var(--er-font-display); font-size: 1.125rem; font-weight: 500; letter-spacing: -0.01em;
  color: var(--er-ink); text-align: left;
  background-color: var(--er-paper);
  border: 0; border-radius: 0;
  overflow-anchor: none;
  transition: color .15s ease, background-color .15s ease;
}
.accordion-button:hover { background: var(--er-paper-2); color: var(--er-ink); }
.accordion-button::after {
  flex-shrink: 0;
  width: 1.25rem; height: 1.25rem;
  margin-left: auto;
  content: "";
  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='%230A0A0A' stroke-width='1.5' d='M2 5l6 6 6-6'/%3E%3C/svg%3E");
  background-repeat: no-repeat; background-size: 1.25rem;
  transition: transform .2s ease;
}
.accordion-button:not(.collapsed) {
  color: var(--er-red);
  background: var(--er-paper);
  box-shadow: inset 0 -1px 0 var(--er-line);
}
.accordion-button:not(.collapsed)::after {
  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='%23E4002B' stroke-width='1.5' d='M2 5l6 6 6-6'/%3E%3C/svg%3E");
  transform: rotate(-180deg);
}
.accordion-button:focus { outline: 0; box-shadow: inset 0 0 0 2px var(--er-red); }
.accordion-body { padding: 1rem 1.25rem 1.25rem; font-size: 0.9375rem; line-height: 1.55; }
.accordion-flush .accordion-item {
  border-right: 0; border-left: 0;
}
.accordion-flush .accordion-item:first-child { border-top: 1px solid var(--er-ink); }
.accordion-flush .accordion-button { background: transparent; }

.collapse:not(.show) { display: none; }
.collapsing { height: 0; overflow: hidden; transition: height 0.35s ease; }

/* ==================================================================
   12. BREADCRUMB
   ================================================================== */
.breadcrumb {
  display: flex; flex-wrap: wrap; padding: 0.75rem 0; margin-bottom: 1rem; list-style: none;
  font-family: var(--er-font-mono); font-size: 11px;
  letter-spacing: 0.08em; text-transform: uppercase;
}
.breadcrumb-item + .breadcrumb-item {
  padding-left: 0.5rem;
}
.breadcrumb-item + .breadcrumb-item::before {
  float: left; padding-right: 0.5rem;
  color: var(--er-mute); content: "/";
}
.breadcrumb-item { color: var(--er-mute); }
.breadcrumb-item.active { color: var(--er-ink); }
.breadcrumb-item a { color: var(--er-mute); }
.breadcrumb-item a:hover { color: var(--er-red); }

/* ==================================================================
   13. PAGINATION
   ================================================================== */
.pagination {
  display: flex; padding-left: 0; list-style: none;
  font-family: var(--er-font-mono); font-size: 12px; letter-spacing: 0.04em;
}
.page-link {
  position: relative; display: block;
  padding: 0.5rem 0.9rem;
  color: var(--er-ink);
  text-decoration: none;
  background-color: var(--er-paper);
  border: 1px solid var(--er-ink);
  transition: background-color .15s ease, color .15s ease;
}
.page-link:hover { background: var(--er-ink); color: var(--er-paper) !important; }
.page-link:focus { outline: 0; box-shadow: inset 0 0 0 2px var(--er-red); }
.page-item:not(:first-child) .page-link { margin-left: -1px; }
.page-item.active .page-link {
  z-index: 3; color: #fff; background-color: var(--er-red); border-color: var(--er-red);
}
.page-item.disabled .page-link { color: var(--er-mute); pointer-events: none; background: var(--er-paper); }

/* ==================================================================
   14. BADGE
   ================================================================== */
.badge {
  display: inline-block;
  padding: 0.35em 0.6em;
  font-family: var(--er-font-mono); font-size: 10px; font-weight: 600;
  line-height: 1;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--er-paper);
  background-color: var(--er-ink);
  text-align: center; vertical-align: baseline;
  border-radius: 0;
}
.badge.text-bg-primary   { color: var(--er-paper); background-color: var(--er-ink) !important; }
.badge.text-bg-secondary { color: var(--er-paper); background-color: var(--er-mute) !important; }
.badge.text-bg-success   { color: #fff; background-color: #0B8A3B !important; }
.badge.text-bg-danger    { color: #fff; background-color: var(--er-red) !important; }
.badge.text-bg-warning   { color: var(--er-ink); background-color: #F3E800 !important; }
.badge.text-bg-info      { color: #fff; background-color: var(--er-blue) !important; }
.badge.text-bg-light     { color: var(--er-ink); background-color: var(--er-paper-2) !important; border: 1px solid var(--er-line-strong); }
.badge.text-bg-dark      { color: var(--er-paper); background-color: var(--er-ink) !important; }

.rounded-pill.badge, .badge.rounded-pill { border-radius: 999px; padding-right: 0.75em; padding-left: 0.75em; }

/* ==================================================================
   15. ALERT
   ================================================================== */
.alert {
  position: relative;
  padding: 1rem 1.25rem;
  margin-bottom: 1rem;
  border: 1px solid transparent;
  border-left-width: 4px;
  font-size: 0.9375rem;
}
.alert-heading {
  color: inherit;
  font-family: var(--er-font-display); font-size: 1.125rem;
  font-weight: 500; letter-spacing: -0.01em; margin-bottom: 0.25rem;
}
.alert-dismissible { padding-right: 3rem; }
.alert-dismissible .btn-close {
  position: absolute; top: 0; right: 0; z-index: 2; padding: 1rem 1.25rem;
}
.alert-primary   { color: var(--er-ink); background: var(--er-paper-2); border-color: var(--er-line); border-left-color: var(--er-ink); }
.alert-secondary { color: var(--er-ink); background: var(--er-paper-2); border-color: var(--er-line); border-left-color: var(--er-mute); }
.alert-success   { color: #0B5A26; background: #E3F4EA; border-color: #BDDFC8; border-left-color: #0B8A3B; }
.alert-danger    { color: #7A0016; background: #FBE5E9; border-color: #F2BEC6; border-left-color: var(--er-red); }
.alert-warning   { color: #5E5700; background: #FBF8CC; border-color: #E9DF3B; border-left-color: #E9DF3B; }
.alert-info      { color: #00236E; background: #E0E8F8; border-color: #AEBCDE; border-left-color: var(--er-blue); }
.alert-light     { color: var(--er-ink); background: var(--er-paper); border-color: var(--er-line); border-left-color: var(--er-line-strong); }
.alert-dark      { color: var(--er-paper); background: var(--er-ink); border-color: var(--er-ink); border-left-color: var(--er-red); }
.alert-dark .alert-heading { color: var(--er-paper); }

/* ==================================================================
   16. PROGRESS
   ================================================================== */
.progress {
  display: flex; height: 0.5rem; overflow: hidden;
  font-family: var(--er-font-mono); font-size: 10px;
  background-color: var(--er-paper-2);
  border: 1px solid var(--er-line-strong);
  border-radius: 0;
}
.progress-bar {
  display: flex; flex-direction: column; justify-content: center;
  overflow: hidden; color: #fff; text-align: center; white-space: nowrap;
  background-color: var(--er-ink);
  transition: width .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: 1s linear infinite progress-bar-stripes;
}
@keyframes progress-bar-stripes { 0% { background-position-x: 1rem; } }

/* ==================================================================
   17. SPINNER
   ================================================================== */
.spinner-border, .spinner-grow {
  display: inline-block; width: 2rem; height: 2rem;
  vertical-align: -0.125em;
}
.spinner-border {
  border: 0.25em solid currentColor;
  border-right-color: transparent;
  border-radius: 50%;
  animation: 0.75s linear infinite spinner-border;
}
.spinner-grow {
  background-color: currentColor;
  opacity: 0;
  animation: 0.75s linear infinite spinner-grow;
  border-radius: 50%;
}
.spinner-border-sm, .spinner-grow-sm { width: 1rem; height: 1rem; border-width: 0.2em; }
@keyframes spinner-border { to { transform: rotate(360deg); } }
@keyframes spinner-grow { 0% { transform: scale(0); } 50% { opacity: 1; transform: none; } }

/* ==================================================================
   18. LIST GROUP
   ================================================================== */
.list-group {
  display: flex; flex-direction: column;
  padding-left: 0; margin-bottom: 0;
  border-radius: 0;
}
.list-group-item {
  position: relative;
  display: block;
  padding: 0.875rem 1.25rem;
  color: var(--er-ink);
  text-decoration: none;
  background-color: var(--er-paper);
  border: 1px solid var(--er-line-strong);
}
.list-group-item + .list-group-item { border-top-width: 0; }
.list-group-item:first-child { border-top-width: 1px; }
.list-group-item.active {
  z-index: 2; color: var(--er-paper);
  background-color: var(--er-ink); border-color: var(--er-ink);
}
.list-group-item.disabled, .list-group-item:disabled { color: var(--er-mute); pointer-events: none; background: var(--er-paper); }
.list-group-item-action {
  width: 100%;
  color: var(--er-ink);
  text-align: inherit;
  cursor: pointer;
  position: relative;
  transition: background-color .22s ease, color .22s ease;
}
.list-group-item-action > * {
  transition: transform .22s cubic-bezier(.4, 0, .2, 1), color .22s ease;
}
.list-group-item-action:hover, .list-group-item-action:focus {
  z-index: 1;
  color: var(--er-ink);
  background-color: var(--er-paper-2);
  text-decoration: none;
  outline: none;
}
.list-group-item-action:hover > :first-child,
.list-group-item-action:focus > :first-child {
  transform: translateX(6px);
}
.list-group-item-action:hover .bi,
.list-group-item-action:focus .bi {
  color: var(--er-red) !important;
  transform: translateX(-2px);
}
.list-group-flush { border-radius: 0; }
.list-group-flush > .list-group-item { border-width: 0 0 1px; }
.list-group-flush > .list-group-item:last-child { border-bottom-width: 0; }

/* ==================================================================
   19. MODAL / OFFCANVAS
   ================================================================== */
.modal {
  position: fixed; top: 0; left: 0; z-index: 1055;
  display: none; width: 100%; height: 100%;
  overflow-x: hidden; overflow-y: auto;
  outline: 0;
}
.modal.show { display: block; }
.modal-dialog {
  position: relative; width: auto; margin: 0.75rem;
  pointer-events: none;
}
@media (min-width: 576px) {
  .modal-dialog { max-width: 500px; margin: 1.75rem auto; }
  .modal-lg, .modal-xl { max-width: 800px; }
}
@media (min-width: 1200px) { .modal-xl { max-width: 1140px; } }
.modal-dialog-centered { display: flex; align-items: center; min-height: calc(100% - 1.5rem); }
.modal-content {
  position: relative; display: flex; flex-direction: column;
  width: 100%; pointer-events: auto;
  background-color: var(--er-paper);
  background-clip: padding-box;
  border: 1px solid var(--er-ink);
  box-shadow: 8px 8px 0 var(--er-ink);
  outline: 0;
}
.modal-backdrop {
  position: fixed; top: 0; left: 0; z-index: 1050;
  width: 100vw; height: 100vh;
  background-color: var(--er-ink);
}
.modal-backdrop.show { opacity: 0.72; }
.modal-header {
  display: flex; flex-shrink: 0; align-items: center; justify-content: space-between;
  padding: 1rem 1.25rem;
  border-bottom: 1px solid var(--er-ink);
}
.modal-title {
  margin: 0;
  font-family: var(--er-font-display); font-size: 1.25rem; font-weight: 500;
  letter-spacing: -0.02em; line-height: 1.2;
}
.modal-body { position: relative; flex: 1 1 auto; padding: 1.25rem; }
.modal-footer {
  display: flex; flex-shrink: 0; flex-wrap: wrap; align-items: center; justify-content: flex-end;
  padding: 0.875rem 1.25rem;
  border-top: 1px solid var(--er-line);
  gap: 0.5rem;
}

/* Close button */
.btn-close {
  box-sizing: content-box;
  width: 1em; height: 1em;
  padding: 0.25em;
  color: var(--er-ink);
  background: transparent url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 16 16'%3E%3Cpath stroke='%230A0A0A' stroke-width='2' d='M3 3l10 10M13 3L3 13'/%3E%3C/svg%3E") center/1em auto no-repeat;
  border: 1px solid var(--er-ink);
  opacity: 1;
}
.btn-close:hover { background-color: var(--er-ink); color: var(--er-paper); background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 16 16'%3E%3Cpath stroke='%23F5F3EE' stroke-width='2' d='M3 3l10 10M13 3L3 13'/%3E%3C/svg%3E"); background-repeat: no-repeat; background-position: center; background-size: 1em auto; }
.btn-close:focus { outline: 0; box-shadow: 2px 2px 0 var(--er-ink); }
.btn-close-white {
  filter: invert(1);
}

.offcanvas {
  position: fixed; bottom: 0; z-index: 1045;
  display: flex; flex-direction: column;
  max-width: 100%;
  background-color: var(--er-paper);
  background-clip: padding-box;
  outline: 0;
  transition: transform 0.3s ease-in-out;
  visibility: hidden;
}
.offcanvas-start { top: 0; left: 0; width: 400px; border-right: 1px solid var(--er-ink); transform: translateX(-100%); }
.offcanvas-end   { top: 0; right: 0; width: 400px; border-left: 1px solid var(--er-ink); transform: translateX(100%); }
.offcanvas-top   { top: 0; right: 0; left: 0; height: 30vh; border-bottom: 1px solid var(--er-ink); transform: translateY(-100%); }
.offcanvas-bottom{ right: 0; left: 0; height: 30vh; border-top: 1px solid var(--er-ink); transform: translateY(100%); }
.offcanvas.show { visibility: visible; transform: none; }
.offcanvas-header { display: flex; align-items: center; justify-content: space-between; padding: 1rem 1.25rem; border-bottom: 1px solid var(--er-ink); }
.offcanvas-title  { margin: 0; font-family: var(--er-font-display); font-size: 1.25rem; font-weight: 500; letter-spacing: -0.02em; }
.offcanvas-body   { flex-grow: 1; padding: 1.25rem; overflow-y: auto; }

/* ==================================================================
   20. TOOLTIP / POPOVER (static styles; position via JS)
   ================================================================== */
.tooltip {
  position: absolute; z-index: 1080;
  display: block; margin: 0;
  font-family: var(--er-font-mono); font-size: 11px; letter-spacing: 0.04em;
  font-style: normal; text-align: start;
  opacity: 0;
}
.tooltip.show { opacity: 1; }
.tooltip-inner {
  max-width: 200px; padding: 0.5rem 0.75rem;
  color: var(--er-paper); text-align: center;
  background-color: var(--er-ink);
  border: 1px solid var(--er-ink);
  text-transform: uppercase;
}
.popover {
  position: absolute; top: 0; left: 0; z-index: 1070;
  display: block; max-width: 280px;
  font-family: var(--er-font-body); font-size: 0.875rem;
  background-color: var(--er-paper);
  background-clip: padding-box;
  border: 1px solid var(--er-ink);
  box-shadow: 4px 4px 0 var(--er-ink);
}
.popover-header {
  padding: 0.5rem 1rem; margin: 0;
  font-family: var(--er-font-mono); font-size: 11px; letter-spacing: 0.08em; text-transform: uppercase;
  background-color: var(--er-paper-2);
  border-bottom: 1px solid var(--er-line);
}
.popover-body { padding: 0.75rem 1rem; color: var(--er-ink); }

/* ==================================================================
   21. TOAST
   ================================================================== */
.toast {
  width: 350px; max-width: 100%;
  font-size: 0.875rem;
  color: var(--er-ink);
  pointer-events: auto;
  background-color: var(--er-paper);
  background-clip: padding-box;
  border: 1px solid var(--er-ink);
  box-shadow: 4px 4px 0 var(--er-ink);
}
.toast.showing { opacity: 0; }
.toast:not(.show) { display: none; }
.toast-container {
  width: max-content; max-width: 100%;
  pointer-events: none;
}
.toast-container > :not(:last-child) { margin-bottom: 0.75rem; }
.toast-header {
  display: flex; align-items: center;
  padding: 0.5rem 0.75rem;
  color: var(--er-ink);
  background-color: var(--er-paper-2);
  background-clip: padding-box;
  border-bottom: 1px solid var(--er-line);
  font-family: var(--er-font-mono); font-size: 11px;
  letter-spacing: 0.08em; text-transform: uppercase;
}
.toast-header .btn-close { margin-right: -0.375rem; margin-left: 0.75rem; }
.toast-body { padding: 0.75rem; word-wrap: break-word; }

/* ==================================================================
   22. CAROUSEL (static styles)
   ================================================================== */
.carousel { position: relative; }
.carousel.pointer-event { touch-action: pan-y; }
.carousel-inner { position: relative; width: 100%; overflow: hidden; border: 1px solid var(--er-ink); }
.carousel-item { position: relative; display: none; float: left; width: 100%; margin-right: -100%; transition: transform 0.6s ease-in-out; }
.carousel-item.active, .carousel-item-next, .carousel-item-prev { display: block; }
.carousel-control-prev, .carousel-control-next {
  position: absolute; top: 0; bottom: 0; z-index: 1;
  display: flex; align-items: center; justify-content: center;
  width: 10%; padding: 0; color: var(--er-paper); text-align: center;
  background: none; border: 0; opacity: 0.7;
  transition: opacity .15s ease;
}
.carousel-control-prev:hover, .carousel-control-next:hover { opacity: 1; }
.carousel-control-prev { left: 0; }
.carousel-control-next { right: 0; }
.carousel-control-prev-icon, .carousel-control-next-icon {
  display: inline-block; width: 2rem; height: 2rem;
  background: var(--er-ink);
  background-repeat: no-repeat; background-position: 50%; background-size: 1rem 1rem;
}
.carousel-control-prev-icon { 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='%23F5F3EE' stroke-width='1.5' d='M10 2l-6 6 6 6'/%3E%3C/svg%3E"); }
.carousel-control-next-icon { 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='%23F5F3EE' stroke-width='1.5' d='M6 2l6 6-6 6'/%3E%3C/svg%3E"); }
.carousel-indicators {
  position: absolute; right: 0; bottom: 0; left: 0; z-index: 2;
  display: flex; justify-content: center;
  padding: 0 1rem; margin: 0 15% 1rem;
  list-style: none;
}
.carousel-indicators [data-bs-target] {
  box-sizing: content-box; flex: 0 1 auto; width: 30px; height: 3px;
  padding: 0; margin-right: 3px; margin-left: 3px;
  text-indent: -999px;
  cursor: pointer;
  background-color: var(--er-paper);
  background-clip: padding-box; border: 0;
  border-top: 8px solid transparent; border-bottom: 8px solid transparent;
  opacity: 0.5; transition: opacity .15s ease;
}
.carousel-indicators .active { opacity: 1; background-color: var(--er-red); }
.carousel-caption {
  position: absolute; right: 15%; bottom: 1.25rem; left: 15%;
  padding-top: 1.25rem; padding-bottom: 1.25rem;
  color: var(--er-paper); text-align: center;
}

/* ==================================================================
   23. FIGURE / IMAGES
   ================================================================== */
.img-fluid { max-width: 100%; height: auto; }
.img-thumbnail {
  padding: 0.25rem; background-color: var(--er-paper);
  border: 1px solid var(--er-ink);
  max-width: 100%; height: auto;
}
.figure { display: inline-block; }
.figure-img { margin-bottom: 0.5rem; line-height: 1; }
.figure-caption {
  font-family: var(--er-font-mono); font-size: 11px;
  letter-spacing: 0.08em; text-transform: uppercase;
  color: var(--er-mute);
}

/* ==================================================================
   24. UTILITIES — COLOR, BACKGROUND, BORDER, SHADOW, OPACITY
   ================================================================== */
.text-primary   { color: var(--er-ink) !important; }
.text-secondary { color: var(--er-mute) !important; }
.text-success   { color: #0B8A3B !important; }
.text-danger    { color: var(--er-red) !important; }
.text-warning   { color: #C19D00 !important; }
.text-info      { color: var(--er-blue) !important; }
.text-light     { color: var(--er-paper-2) !important; }
.text-dark      { color: var(--er-ink) !important; }
.text-body      { color: var(--er-ink) !important; }
.text-muted     { color: var(--er-mute) !important; }
.text-white     { color: #fff !important; }
.text-black     { color: #000 !important; }
.text-black-50  { color: rgba(0,0,0,0.5) !important; }
.text-white-50  { color: rgba(255,255,255,0.5) !important; }
.text-reset     { color: inherit !important; }

.bg-primary   { background-color: var(--er-ink) !important; color: var(--er-paper); }
.bg-secondary { background-color: var(--er-mute) !important; color: var(--er-paper); }
.bg-success   { background-color: #0B8A3B !important; color: #fff; }
.bg-danger    { background-color: var(--er-red) !important; color: #fff; }
.bg-warning   { background-color: #F3E800 !important; color: var(--er-ink); }
.bg-info      { background-color: var(--er-blue) !important; color: #fff; }
.bg-light     { background-color: var(--er-paper-2) !important; }
/* .bg-dark must render dark in both light and dark themes — use absolute colors,
 * not the swappable --er-ink token which inverts under [data-bs-theme="dark"].
 * That inversion was breaking navbar + footer + CTA blocks. */
.bg-dark      { background-color: #0A0A0A !important; color: #F5F3EE; }
.bg-dark h1, .bg-dark h2, .bg-dark h3, .bg-dark h4, .bg-dark h5, .bg-dark h6,
.bg-dark .h1, .bg-dark .h2, .bg-dark .h3, .bg-dark .h4, .bg-dark .h5, .bg-dark .h6 { color: #F5F3EE; }
.bg-dark p, .bg-dark .text-secondary, .bg-dark .link-secondary { color: rgba(245, 243, 238, 0.7) !important; }
.bg-dark .link-secondary:hover, .bg-dark a.link-secondary:hover { color: #F5F3EE !important; }
.bg-dark .border-secondary { border-color: rgba(245, 243, 238, 0.18) !important; }
.bg-body      { background-color: var(--er-paper) !important; }
.bg-white     { background-color: #fff !important; }
.bg-black     { background-color: var(--er-ink) !important; }
.bg-transparent { background-color: transparent !important; }
.bg-paper     { background-color: var(--er-paper) !important; }
.bg-paper-2   { background-color: var(--er-paper-2) !important; }

.text-bg-primary   { color: var(--er-paper) !important; background-color: var(--er-ink) !important; }
.text-bg-secondary { color: var(--er-paper) !important; background-color: var(--er-mute) !important; }
.text-bg-success   { color: #fff !important; background-color: #0B8A3B !important; }
.text-bg-danger    { color: #fff !important; background-color: var(--er-red) !important; }
.text-bg-warning   { color: var(--er-ink) !important; background-color: #F3E800 !important; }
.text-bg-info      { color: #fff !important; background-color: var(--er-blue) !important; }
.text-bg-light     { color: var(--er-ink) !important; background-color: var(--er-paper-2) !important; }
.text-bg-dark      { color: var(--er-paper) !important; background-color: var(--er-ink) !important; }

.border          { border: 1px solid var(--er-line) !important; }
.border-0        { border: 0 !important; }
.border-top      { border-top: 1px solid var(--er-line) !important; }
.border-end      { border-right: 1px solid var(--er-line) !important; }
.border-bottom   { border-bottom: 1px solid var(--er-line) !important; }
.border-start    { border-left: 1px solid var(--er-line) !important; }
.border-top-0    { border-top: 0 !important; }
.border-end-0    { border-right: 0 !important; }
.border-bottom-0 { border-bottom: 0 !important; }
.border-start-0  { border-left: 0 !important; }
.border-primary  { border-color: var(--er-ink) !important; }
.border-secondary{ border-color: var(--er-mute) !important; }
.border-success  { border-color: #0B8A3B !important; }
.border-danger   { border-color: var(--er-red) !important; }
.border-warning  { border-color: #F3E800 !important; }
.border-info     { border-color: var(--er-blue) !important; }
.border-light    { border-color: var(--er-paper-2) !important; }
.border-dark     { border-color: var(--er-ink) !important; }
.border-1        { border-width: 1px !important; }
.border-2        { border-width: 2px !important; }
.border-3        { border-width: 3px !important; }
.border-4        { border-width: 4px !important; }
.border-5        { border-width: 5px !important; }

.shadow    { box-shadow: 4px 4px 0 var(--er-ink) !important; }
.shadow-sm { box-shadow: 2px 2px 0 var(--er-ink) !important; }
.shadow-lg { box-shadow: 8px 8px 0 var(--er-ink) !important; }
.shadow-none { box-shadow: none !important; }

.rounded      { border-radius: 0 !important; }
.rounded-0    { border-radius: 0 !important; }
.rounded-1    { border-radius: 0 !important; }
.rounded-2    { border-radius: 0 !important; }
.rounded-3    { border-radius: 0 !important; }
.rounded-4    { border-radius: 0 !important; }
.rounded-5    { border-radius: 0 !important; }
.rounded-circle { border-radius: 50% !important; }
.rounded-pill { border-radius: 999px !important; }
.rounded-top  { border-radius: 0 !important; }
.rounded-end  { border-radius: 0 !important; }
.rounded-bottom { border-radius: 0 !important; }
.rounded-start{ border-radius: 0 !important; }

.opacity-0  { opacity: 0 !important; }
.opacity-25 { opacity: 0.25 !important; }
.opacity-50 { opacity: 0.5 !important; }
.opacity-75 { opacity: 0.75 !important; }
.opacity-100{ opacity: 1 !important; }

/* ==================================================================
   25. UTILITIES — TEXT, FLEX, DISPLAY, POSITION, SIZING, SPACING
   ================================================================== */
.text-start   { text-align: left !important; }
.text-end     { text-align: right !important; }
.text-center  { text-align: center !important; }
.text-justify { text-align: justify !important; }
.text-nowrap  { white-space: nowrap !important; }
.text-wrap    { white-space: normal !important; }
.text-truncate { overflow: hidden; text-overflow: ellipsis; white-space: nowrap; }
.text-break   { word-wrap: break-word !important; word-break: break-word !important; }
.text-lowercase  { text-transform: lowercase !important; }
.text-uppercase  { text-transform: uppercase !important; letter-spacing: 0.08em; }
.text-capitalize { text-transform: capitalize !important; }
.text-decoration-none { text-decoration: none !important; }
.text-decoration-underline { text-decoration: underline !important; }
.text-decoration-line-through { text-decoration: line-through !important; }

.fw-light   { font-weight: 300 !important; }
.fw-normal  { font-weight: 400 !important; }
.fw-medium  { font-weight: 500 !important; }
.fw-semibold{ font-weight: 600 !important; }
.fw-bold    { font-weight: 700 !important; }
.fw-bolder  { font-weight: 800 !important; }

.fst-italic { font-style: italic !important; }
.fst-normal { font-style: normal !important; }

.fs-1 { font-size: clamp(2rem, 3.5vw, 3rem) !important; font-family: var(--er-font-display); font-weight: 500; letter-spacing: -0.03em; line-height: 1.05; }
.fs-2 { font-size: clamp(1.75rem, 2.5vw, 2.5rem) !important; font-family: var(--er-font-display); font-weight: 500; letter-spacing: -0.025em; line-height: 1.1; }
.fs-3 { font-size: 1.75rem !important; font-family: var(--er-font-display); font-weight: 500; letter-spacing: -0.02em; }
.fs-4 { font-size: 1.375rem !important; font-family: var(--er-font-display); font-weight: 500; letter-spacing: -0.01em; }
.fs-5 { font-size: 1.125rem !important; }
.fs-6 { font-size: 1rem !important; }

.font-monospace { font-family: var(--er-font-mono) !important; }
.font-display   { font-family: var(--er-font-display) !important; }

.lh-1   { line-height: 1 !important; }
.lh-sm  { line-height: 1.25 !important; }
.lh-base{ line-height: 1.5 !important; }
.lh-lg  { line-height: 2 !important; }

/* Display */
.d-inline       { display: inline !important; }
.d-inline-block { display: inline-block !important; }
.d-block        { display: block !important; }
.d-grid         { display: grid !important; }
.d-inline-grid  { display: inline-grid !important; }
.d-table        { display: table !important; }
.d-table-row    { display: table-row !important; }
.d-table-cell   { display: table-cell !important; }
.d-flex         { display: flex !important; }
.d-inline-flex  { display: inline-flex !important; }
.d-none         { display: none !important; }

@media (min-width: 576px) {
  .d-sm-none { display: none !important; }
  .d-sm-inline { display: inline !important; }
  .d-sm-inline-block { display: inline-block !important; }
  .d-sm-block { display: block !important; }
  .d-sm-flex { display: flex !important; }
  .d-sm-inline-flex { display: inline-flex !important; }
  .d-sm-grid { display: grid !important; }
}
@media (min-width: 768px) {
  .d-md-none { display: none !important; }
  .d-md-inline { display: inline !important; }
  .d-md-inline-block { display: inline-block !important; }
  .d-md-block { display: block !important; }
  .d-md-flex { display: flex !important; }
  .d-md-inline-flex { display: inline-flex !important; }
  .d-md-grid { display: grid !important; }
}
@media (min-width: 992px) {
  .d-lg-none { display: none !important; }
  .d-lg-inline { display: inline !important; }
  .d-lg-inline-block { display: inline-block !important; }
  .d-lg-block { display: block !important; }
  .d-lg-flex { display: flex !important; }
  .d-lg-inline-flex { display: inline-flex !important; }
  .d-lg-grid { display: grid !important; }
}
@media (min-width: 1200px) {
  .d-xl-none { display: none !important; }
  .d-xl-block { display: block !important; }
  .d-xl-flex { display: flex !important; }
}

/* Flex utilities */
.flex-fill { flex: 1 1 auto !important; }
.flex-row { flex-direction: row !important; }
.flex-column { flex-direction: column !important; }
.flex-row-reverse { flex-direction: row-reverse !important; }
.flex-column-reverse { flex-direction: column-reverse !important; }
.flex-grow-0 { flex-grow: 0 !important; }
.flex-grow-1 { flex-grow: 1 !important; }
.flex-shrink-0 { flex-shrink: 0 !important; }
.flex-shrink-1 { flex-shrink: 1 !important; }
.flex-wrap { flex-wrap: wrap !important; }
.flex-nowrap { flex-wrap: nowrap !important; }
.flex-wrap-reverse { flex-wrap: wrap-reverse !important; }

.justify-content-start   { justify-content: flex-start !important; }
.justify-content-end     { justify-content: flex-end !important; }
.justify-content-center  { justify-content: center !important; }
.justify-content-between { justify-content: space-between !important; }
.justify-content-around  { justify-content: space-around !important; }
.justify-content-evenly  { justify-content: space-evenly !important; }

.align-items-start    { align-items: flex-start !important; }
.align-items-end      { align-items: flex-end !important; }
.align-items-center   { align-items: center !important; }
.align-items-baseline { align-items: baseline !important; }
.align-items-stretch  { align-items: stretch !important; }
.align-content-start   { align-content: flex-start !important; }
.align-content-end     { align-content: flex-end !important; }
.align-content-center  { align-content: center !important; }
.align-content-between { align-content: space-between !important; }
.align-content-around  { align-content: space-around !important; }
.align-content-stretch { align-content: stretch !important; }
.align-self-auto    { align-self: auto !important; }
.align-self-start   { align-self: flex-start !important; }
.align-self-end     { align-self: flex-end !important; }
.align-self-center  { align-self: center !important; }
.align-self-stretch { align-self: stretch !important; }

.order-first { order: -1 !important; }
.order-0 { order: 0 !important; }
.order-1 { order: 1 !important; }
.order-2 { order: 2 !important; }
.order-3 { order: 3 !important; }
.order-4 { order: 4 !important; }
.order-5 { order: 5 !important; }
.order-last { order: 6 !important; }

/* Gap */
.gap-0 { gap: 0 !important; }
.gap-1 { gap: 0.25rem !important; }
.gap-2 { gap: 0.5rem !important; }
.gap-3 { gap: 1rem !important; }
.gap-4 { gap: 1.5rem !important; }
.gap-5 { gap: 3rem !important; }

/* Position */
.position-static   { position: static !important; }
.position-relative { position: relative !important; }
.position-absolute { position: absolute !important; }
.position-fixed    { position: fixed !important; }
.position-sticky   { position: sticky !important; }

.top-0    { top: 0 !important; } .top-50 { top: 50% !important; } .top-100 { top: 100% !important; }
.bottom-0 { bottom: 0 !important; } .bottom-50 { bottom: 50% !important; } .bottom-100 { bottom: 100% !important; }
.start-0  { left: 0 !important; }   .start-50 { left: 50% !important; }  .start-100 { left: 100% !important; }
.end-0    { right: 0 !important; }  .end-50 { right: 50% !important; }   .end-100 { right: 100% !important; }
.translate-middle   { transform: translate(-50%, -50%) !important; }
.translate-middle-x { transform: translateX(-50%) !important; }
.translate-middle-y { transform: translateY(-50%) !important; }

.fixed-top { position: fixed; top: 0; right: 0; left: 0; z-index: 1030; }
.fixed-bottom { position: fixed; right: 0; bottom: 0; left: 0; z-index: 1030; }
.sticky-top { position: sticky; top: 0; z-index: 1020; }

/* Overflow */
.overflow-auto   { overflow: auto !important; }
.overflow-hidden { overflow: hidden !important; }
.overflow-visible{ overflow: visible !important; }
.overflow-scroll { overflow: scroll !important; }
.overflow-x-auto   { overflow-x: auto !important; }
.overflow-x-hidden { overflow-x: hidden !important; }
.overflow-y-auto   { overflow-y: auto !important; }
.overflow-y-hidden { overflow-y: hidden !important; }

/* Visibility */
.visible   { visibility: visible !important; }
.invisible { visibility: hidden !important; }

/* Sizing */
.w-25 { width: 25% !important; }
.w-50 { width: 50% !important; }
.w-75 { width: 75% !important; }
.w-100 { width: 100% !important; }
.w-auto { width: auto !important; }
.mw-100 { max-width: 100% !important; }
.vw-100 { width: 100vw !important; }
.min-vw-100 { min-width: 100vw !important; }
.h-25 { height: 25% !important; }
.h-50 { height: 50% !important; }
.h-75 { height: 75% !important; }
.h-100 { height: 100% !important; }
.h-auto { height: auto !important; }
.mh-100 { max-height: 100% !important; }
.vh-100 { height: 100vh !important; }
.min-vh-100 { min-height: 100vh !important; }

/* Spacing — margin/padding scale 0..5 */
.m-0{margin:0!important}.m-1{margin:.25rem!important}.m-2{margin:.5rem!important}.m-3{margin:1rem!important}.m-4{margin:1.5rem!important}.m-5{margin:3rem!important}.m-auto{margin:auto!important}
.mx-0{margin-left:0!important;margin-right:0!important}.mx-1{margin-left:.25rem!important;margin-right:.25rem!important}.mx-2{margin-left:.5rem!important;margin-right:.5rem!important}.mx-3{margin-left:1rem!important;margin-right:1rem!important}.mx-4{margin-left:1.5rem!important;margin-right:1.5rem!important}.mx-5{margin-left:3rem!important;margin-right:3rem!important}.mx-auto{margin-left:auto!important;margin-right:auto!important}
.my-0{margin-top:0!important;margin-bottom:0!important}.my-1{margin-top:.25rem!important;margin-bottom:.25rem!important}.my-2{margin-top:.5rem!important;margin-bottom:.5rem!important}.my-3{margin-top:1rem!important;margin-bottom:1rem!important}.my-4{margin-top:1.5rem!important;margin-bottom:1.5rem!important}.my-5{margin-top:3rem!important;margin-bottom:3rem!important}.my-auto{margin-top:auto!important;margin-bottom:auto!important}
.mt-0{margin-top:0!important}.mt-1{margin-top:.25rem!important}.mt-2{margin-top:.5rem!important}.mt-3{margin-top:1rem!important}.mt-4{margin-top:1.5rem!important}.mt-5{margin-top:3rem!important}.mt-auto{margin-top:auto!important}
.mb-0{margin-bottom:0!important}.mb-1{margin-bottom:.25rem!important}.mb-2{margin-bottom:.5rem!important}.mb-3{margin-bottom:1rem!important}.mb-4{margin-bottom:1.5rem!important}.mb-5{margin-bottom:3rem!important}.mb-auto{margin-bottom:auto!important}
.ms-0{margin-left:0!important}.ms-1{margin-left:.25rem!important}.ms-2{margin-left:.5rem!important}.ms-3{margin-left:1rem!important}.ms-4{margin-left:1.5rem!important}.ms-5{margin-left:3rem!important}.ms-auto{margin-left:auto!important}
.me-0{margin-right:0!important}.me-1{margin-right:.25rem!important}.me-2{margin-right:.5rem!important}.me-3{margin-right:1rem!important}.me-4{margin-right:1.5rem!important}.me-5{margin-right:3rem!important}.me-auto{margin-right:auto!important}

.p-0{padding:0!important}.p-1{padding:.25rem!important}.p-2{padding:.5rem!important}.p-3{padding:1rem!important}.p-4{padding:1.5rem!important}.p-5{padding:3rem!important}
.px-0{padding-left:0!important;padding-right:0!important}.px-1{padding-left:.25rem!important;padding-right:.25rem!important}.px-2{padding-left:.5rem!important;padding-right:.5rem!important}.px-3{padding-left:1rem!important;padding-right:1rem!important}.px-4{padding-left:1.5rem!important;padding-right:1.5rem!important}.px-5{padding-left:3rem!important;padding-right:3rem!important}
.py-0{padding-top:0!important;padding-bottom:0!important}.py-1{padding-top:.25rem!important;padding-bottom:.25rem!important}.py-2{padding-top:.5rem!important;padding-bottom:.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}
.pt-0{padding-top:0!important}.pt-1{padding-top:.25rem!important}.pt-2{padding-top:.5rem!important}.pt-3{padding-top:1rem!important}.pt-4{padding-top:1.5rem!important}.pt-5{padding-top:3rem!important}
.pb-0{padding-bottom:0!important}.pb-1{padding-bottom:.25rem!important}.pb-2{padding-bottom:.5rem!important}.pb-3{padding-bottom:1rem!important}.pb-4{padding-bottom:1.5rem!important}.pb-5{padding-bottom:3rem!important}
.ps-0{padding-left:0!important}.ps-1{padding-left:.25rem!important}.ps-2{padding-left:.5rem!important}.ps-3{padding-left:1rem!important}.ps-4{padding-left:1.5rem!important}.ps-5{padding-left:3rem!important}
.pe-0{padding-right:0!important}.pe-1{padding-right:.25rem!important}.pe-2{padding-right:.5rem!important}.pe-3{padding-right:1rem!important}.pe-4{padding-right:1.5rem!important}.pe-5{padding-right:3rem!important}

/* Responsive spacing — md only (most commonly used) */
@media (min-width:768px){
  .m-md-0{margin:0!important}.m-md-3{margin:1rem!important}.m-md-4{margin:1.5rem!important}.m-md-5{margin:3rem!important}
  .p-md-0{padding:0!important}.p-md-3{padding:1rem!important}.p-md-4{padding:1.5rem!important}.p-md-5{padding:3rem!important}
  .mt-md-0{margin-top:0!important}.mt-md-3{margin-top:1rem!important}.mt-md-5{margin-top:3rem!important}
  .mb-md-0{margin-bottom:0!important}.mb-md-3{margin-bottom:1rem!important}.mb-md-5{margin-bottom:3rem!important}
  .py-md-5{padding-top:3rem!important;padding-bottom:3rem!important}
  .px-md-5{padding-left:3rem!important;padding-right:3rem!important}
}
@media (min-width:992px){
  .py-lg-5{padding-top:3rem!important;padding-bottom:3rem!important}
  .mt-lg-0{margin-top:0!important}
}

/* User select */
.user-select-all { user-select: all !important; }
.user-select-auto{ user-select: auto !important; }
.user-select-none{ user-select: none !important; }

/* Pointer events */
.pe-auto { pointer-events: auto !important; }
.pe-none { pointer-events: none !important; }

/* Clearfix */
.clearfix::after { display: block; clear: both; content: ""; }

/* Ratios */
.ratio { position: relative; width: 100%; }
.ratio::before { display: block; padding-top: var(--bs-aspect-ratio, 100%); content: ""; }
.ratio > * { position: absolute; top: 0; left: 0; width: 100%; height: 100%; }
.ratio-1x1  { --bs-aspect-ratio: 100%; }
.ratio-4x3  { --bs-aspect-ratio: 75%; }
.ratio-16x9 { --bs-aspect-ratio: 56.25%; }
.ratio-21x9 { --bs-aspect-ratio: 42.8571%; }

/* Visually hidden */
.visually-hidden,
.visually-hidden-focusable:not(:focus):not(:focus-within) {
  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: 0 !important;
  position: absolute !important;
}

/* Stretched link */
.stretched-link::after {
  position: absolute; top: 0; right: 0; bottom: 0; left: 0; z-index: 1; content: "";
}

/* Print */
@media print {
  *, *::before, *::after { box-shadow: none !important; text-shadow: none !important; }
  a { text-decoration: underline; }
  .btn { border: 1px solid #000 !important; }
}

/* ==================================================================
   END — EduRobotics Bootstrap
   ================================================================== */