/* ==========================================================================
   1. Theme variables
   ========================================================================== */

:root {
  color-scheme: dark;

  --color-black: #000000;
  --color-near-black: #0b0b0d;
  --color-charcoal: #141416;
  --color-raised-charcoal: #1a1b1d;
  --color-graphite: #252528;
  --color-gunmetal: #37383a;
  --color-dark-steel: #474749;
  --color-weathered-steel: #58585a;
  --color-mid-silver: #68686a;
  --color-brushed-silver: #78787a;
  --color-light-silver: #98989a;
  --color-bright-steel: #b5b5b8;
  --color-off-white: #e8e8ea;
  --color-white: #ffffff;

  --color-deepest-maroon: #3a0b13;
  --color-blood-red: #571921;
  --color-maroon-red: #751825;
  --color-crimson-deep: #971b2c;
  --color-blood-bright: #cb344b;
  --color-red-highlight: #d55469;
  --color-red-pale: #f08a9a;

  --color-deepest-violet: #250b35;
  --color-dark-violet: #371349;
  --color-purple-muted: #52205d;
  --color-violet-royal: #6e228f;
  --color-purple-electric: #9027a6;
  --color-violet-bright: #ae32c9;
  --color-magenta-highlight: #cd60d9;
  --color-lavender-pale: #dfa0eb;

  --color-bg: var(--color-near-black);
  --color-bg-deep: var(--color-black);
  --color-surface: var(--color-charcoal);
  --color-surface-raised: var(--color-raised-charcoal);
  --color-surface-hover: var(--color-graphite);
  --color-text: var(--color-off-white);
  --color-text-muted: #a7a7aa;
  --color-text-subtle: var(--color-light-silver);
  --color-heading: var(--color-white);
  --color-border: var(--color-mid-silver);
  --color-border-light: #89898c;
  --color-steel: var(--color-brushed-silver);
  --color-silver: var(--color-bright-steel);
  --color-crimson: var(--color-blood-bright);
  --color-maroon: var(--color-maroon-red);
  --color-violet: var(--color-violet-bright);
  --color-purple: var(--color-purple-electric);
  --color-success: #62a77a;
  --color-success-dark: #183b26;
  --color-warning: #d2a64a;
  --color-warning-dark: #493612;

  --gradient-accent: linear-gradient(105deg, var(--color-maroon-red) 0%, var(--color-crimson-deep) 35%, var(--color-purple-muted) 68%, var(--color-violet-royal) 100%);
  --gradient-metal: linear-gradient(145deg, var(--color-bright-steel) 0%, var(--color-off-white) 45%, var(--color-light-silver) 65%, #c7c7ca 100%);
  --gradient-surface: linear-gradient(145deg, var(--color-graphite) 0%, var(--color-raised-charcoal) 42%, var(--color-charcoal) 100%);
  --gradient-control: linear-gradient(180deg, var(--color-graphite), var(--color-raised-charcoal));
  --shadow-surface: 0 0.4rem 1.2rem rgb(0 0 0 / 45%), inset 0 1px 0 rgb(181 181 184 / 8%);
  --shadow-raised: 0 0.75rem 2rem rgb(0 0 0 / 58%), inset 0 1px 0 rgb(181 181 184 / 10%);
  --shadow-crimson: 0 0 0.85rem rgb(203 52 75 / 24%);
  --shadow-violet: 0 0 0.85rem rgb(174 50 201 / 24%);
  --focus-ring: 0 0 0 0.12rem rgb(203 52 75 / 48%), 0 0 0 0.25rem rgb(174 50 201 / 38%);
  --transition-fast: 120ms ease-out;
  --transition-standard: 200ms ease;
  --radius-small: 0.25rem;
  --radius-medium: 0.5rem;
  --radius-large: 0.75rem;
  --radius-pill: 100rem;
  --font-system: Inter, ui-sans-serif, system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
}

/* ==========================================================================
   2. Base and reset adjustments
   ========================================================================== */

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

html {
  min-height: 100%;
  background: var(--color-bg-deep);
  scroll-behavior: smooth;
  scrollbar-color: var(--color-gunmetal) var(--color-near-black);
  scrollbar-width: thin;
}

body {
  min-width: 0;
  min-height: 100vh;
  margin: 0;
  overflow-wrap: break-word;
  color: var(--color-text);
  font-family: var(--font-system);
  font-size: 1rem;
  line-height: 1.65;
  text-rendering: optimizeLegibility;
}

button,
input,
optgroup,
select,
textarea {
  color: inherit;
  font: inherit;
}

hr {
  height: 1px;
  margin-block: 2rem;
  border: 0;
  background: linear-gradient(90deg, transparent, var(--color-steel), transparent);
  opacity: 1;
}

/* ==========================================================================
   3. Page background
   ========================================================================== */

body {
  background-color: var(--color-bg);
  background-image:
    radial-gradient(circle at 8% 24%, rgb(117 24 37 / 13%), transparent 34rem),
    radial-gradient(circle at 92% 20%, rgb(110 34 143 / 13%), transparent 34rem),
    radial-gradient(ellipse at center, transparent 20%, rgb(0 0 0 / 52%) 100%),
    linear-gradient(135deg, var(--color-charcoal) 0%, var(--color-near-black) 42%, var(--color-charcoal) 100%);
  background-attachment: fixed;
}

/* ==========================================================================
   4. Typography
   ========================================================================== */

h1,
h2,
h3,
h4,
h5,
h6,
.h1,
.h2,
.h3,
.h4,
.h5,
.h6 {
  margin-block-start: 0;
  color: var(--color-heading);
  font-weight: 750;
  line-height: 1.18;
  letter-spacing: 0.025em;
  text-wrap: balance;
}

h1,
.h1 {
  font-size: clamp(2.15rem, 5vw, 4.75rem);
}

h2,
.h2 {
  font-size: clamp(1.75rem, 3.5vw, 3.25rem);
}

h3,
.h3 {
  font-size: clamp(1.4rem, 2.4vw, 2.15rem);
}

p,
li,
dd,
dt,
figcaption {
  max-width: 75ch;
}

small,
.small,
.text-muted,
.form-text {
  color: var(--color-text-muted) !important;
}

strong,
b {
  color: var(--color-white);
  font-weight: 700;
}

mark {
  padding-inline: 0.2em;
  color: var(--color-white);
  background: linear-gradient(90deg, var(--color-maroon), var(--color-violet-royal));
}

code,
kbd,
pre,
samp {
  color: var(--color-lavender-pale);
}

code,
pre {
  border: 1px solid var(--color-border);
  background: var(--color-bg-deep);
}

code {
  padding: 0.12em 0.32em;
  border-radius: var(--radius-small);
}

pre {
  max-width: 100%;
  padding: 1rem;
  overflow: auto;
  border-radius: var(--radius-medium);
}

blockquote {
  margin-inline: 0;
  padding: 0.8rem 1rem;
  border-inline-start: 3px solid var(--color-crimson);
  border-inline-end: 1px solid var(--color-violet-royal);
  color: var(--color-silver);
  background: rgb(20 20 22 / 72%);
}

/* ==========================================================================
   5. Theme-level helpers
   ========================================================================== */

.text-primary {
  color: var(--color-red-pale) !important;
}

.text-secondary {
  color: var(--color-silver) !important;
}

.text-danger,
.invalid-feedback {
  color: var(--color-red-pale) !important;
}

.text-success,
.valid-feedback {
  color: #83c99a !important;
}

.bg-dark {
  background-color: var(--color-charcoal) !important;
}

.bg-primary {
  background: var(--gradient-accent) !important;
}

.border,
.border-top,
.border-end,
.border-bottom,
.border-start {
  border-color: var(--color-border) !important;
}

/* ==========================================================================
   6. Header and navigation
   ========================================================================== */

.navbar {
  color: var(--color-text);
  border-block-end: 1px solid var(--color-border);
  background: linear-gradient(180deg, rgb(37 37 40 / 97%), rgb(14 14 16 / 97%));
  box-shadow: var(--shadow-surface);
}

.navbar-brand {
  color: var(--color-white);
  font-weight: 800;
  letter-spacing: 0.075em;
  text-shadow: 0 1px 0 var(--color-black);
}

.brand-logo {
  width: auto;
  max-height: 3rem;
}

.navbar-brand:hover,
.navbar-brand:focus-visible {
  color: var(--color-off-white);
}

.navbar-nav .nav-link,
.nav-link {
  position: relative;
  color: var(--color-silver);
  font-weight: 600;
  transition: color var(--transition-fast), background-color var(--transition-fast);
}

.navbar-nav .nav-link:hover,
.nav-link:hover {
  color: var(--color-white);
}

.navbar-nav .nav-link.active,
.navbar-nav .nav-link.show,
.nav-link.active {
  color: var(--color-white);
}

.navbar-nav .nav-link.active::after {
  position: absolute;
  right: 0.5rem;
  bottom: 0.15rem;
  left: 0.5rem;
  height: 2px;
  border-radius: var(--radius-pill);
  background: var(--gradient-accent);
  box-shadow: var(--shadow-crimson), var(--shadow-violet);
  content: "";
}

.nav-link.disabled,
.navbar-nav .nav-link.disabled {
  color: var(--color-mid-silver);
  cursor: not-allowed;
  opacity: 0.5;
}

.navbar-toggler {
  min-width: 2.75rem;
  min-height: 2.75rem;
  border: 1px solid var(--color-border-light);
  color: var(--color-off-white);
  background: var(--gradient-control);
}

.navbar-toggler-icon {
  filter: grayscale(1) invert(1);
}

/* ==========================================================================
   7. Hero and major headings
   ========================================================================== */

.hero,
.theme-hero {
  position: relative;
  isolation: isolate;
  overflow: hidden;
  border-block: 1px solid var(--color-border);
  background:
    radial-gradient(circle at 12% 50%, rgb(151 27 44 / 12%), transparent 32%),
    radial-gradient(circle at 88% 50%, rgb(110 34 143 / 13%), transparent 32%),
    linear-gradient(135deg, rgb(26 27 29 / 98%), rgb(8 8 10 / 99%));
  box-shadow: inset 0 1px 0 rgb(181 181 184 / 8%), var(--shadow-raised);
}

.display-1,
.display-2,
.display-3,
.display-4,
.display-5,
.display-6,
.theme-major-heading {
  color: var(--color-off-white);
  font-weight: 850;
  letter-spacing: 0.045em;
  text-shadow: 0 1px 2px rgb(0 0 0 / 35%);
}

.hero .lead,
.theme-hero .lead {
  color: var(--color-bright-steel) !important;
  line-height: 1.7;
}

.theme-heading-rule::after {
  display: block;
  width: min(9rem, 45%);
  height: 3px;
  margin-block-start: 0.6rem;
  border-radius: var(--radius-pill);
  background: var(--gradient-accent);
  content: "";
}

/* ==========================================================================
   8. Links
   ========================================================================== */

a {
  color: var(--color-magenta-highlight);
  text-decoration-color: rgb(205 96 217 / 62%);
  text-decoration-thickness: 0.08em;
  text-underline-offset: 0.2em;
  transition: color var(--transition-fast), text-decoration-color var(--transition-fast);
}

a:visited {
  color: var(--color-lavender-pale);
}

a:hover {
  color: var(--color-red-pale);
  text-decoration-color: currentColor;
}

a:active {
  color: var(--color-red-pale);
}

/* ==========================================================================
   9. Buttons
   ========================================================================== */

.btn {
  --mdb-btn-border-radius: var(--radius-small);
  min-height: 2.65rem;
  border-width: 1px;
  border-style: solid;
  border-radius: var(--radius-small);
  font-weight: 700;
  letter-spacing: 0.035em;
  text-transform: none;
  box-shadow: inset 0 1px 0 rgb(255 255 255 / 10%), 0 0.25rem 0.65rem rgb(0 0 0 / 35%);
  transition: transform var(--transition-fast), border-color var(--transition-fast), background-color var(--transition-fast), box-shadow var(--transition-fast), color var(--transition-fast);
}

.btn:hover {
  transform: translateY(-1px);
  box-shadow: inset 0 1px 0 rgb(255 255 255 / 13%), 0 0.4rem 0.9rem rgb(0 0 0 / 45%);
}

.btn:active,
.btn.active,
.btn.show {
  transform: translateY(0);
  box-shadow: inset 0 0.15rem 0.4rem rgb(0 0 0 / 45%);
}

.btn-primary {
  border-color: var(--color-red-highlight);
  color: var(--color-white);
  background: var(--gradient-accent);
}

.btn-primary:hover,
.btn-primary:active,
.btn-primary.active {
  border-color: var(--color-magenta-highlight);
  color: var(--color-white);
  box-shadow: var(--shadow-crimson), var(--shadow-violet);
}

.btn-secondary {
  border-color: var(--color-mid-silver);
  color: var(--color-white);
  background: linear-gradient(180deg, var(--color-weathered-steel), var(--color-gunmetal));
}

.btn-secondary:hover,
.btn-secondary:active {
  border-color: var(--color-bright-steel);
  color: var(--color-white);
  background: linear-gradient(180deg, var(--color-mid-silver), var(--color-dark-steel));
}

.btn-dark {
  border-color: var(--color-dark-steel);
  color: var(--color-off-white);
  background: linear-gradient(180deg, var(--color-graphite), var(--color-near-black));
}

.btn-dark:hover,
.btn-dark:active {
  border-color: var(--color-light-silver);
  color: var(--color-white);
  background: var(--color-graphite);
}

.btn-light {
  border-color: var(--color-bright-steel);
  color: var(--color-charcoal);
  background: linear-gradient(180deg, var(--color-off-white), var(--color-light-silver));
}

.btn-light:hover,
.btn-light:active {
  border-color: var(--color-white);
  color: var(--color-black);
  background: var(--color-off-white);
}

.btn-danger {
  border-color: var(--color-blood-bright);
  color: var(--color-white);
  background: linear-gradient(145deg, var(--color-blood-red), var(--color-crimson-deep));
}

.btn-danger:hover,
.btn-danger:active {
  border-color: var(--color-red-pale);
  color: var(--color-white);
  background: linear-gradient(145deg, var(--color-maroon-red), var(--color-blood-bright));
  box-shadow: var(--shadow-crimson);
}

/* Keep the urgent-help CTA legible without suppressing its MDB active state. */
.btn.site-header__help-cta {
  color: var(--color-white);
}

.btn-outline-primary {
  border-color: var(--color-magenta-highlight);
  color: var(--color-lavender-pale);
  background: transparent;
}

.btn-outline-primary:hover,
.btn-outline-primary:active {
  border-color: var(--color-red-highlight);
  color: var(--color-white);
  background: var(--gradient-accent);
}

.btn-outline-secondary,
.btn-outline-light,
.btn-outline-dark {
  border-color: var(--color-border-light);
  color: var(--color-silver);
  background: transparent;
}

.btn-outline-secondary:hover,
.btn-outline-light:hover,
.btn-outline-dark:hover {
  border-color: var(--color-bright-steel);
  color: var(--color-white);
  background: var(--color-graphite);
}

.btn-outline-danger {
  border-color: var(--color-crimson);
  color: var(--color-red-pale);
}

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

.btn-icon,
.btn-floating {
  display: inline-grid;
  width: 2.75rem;
  min-width: 2.75rem;
  height: 2.75rem;
  min-height: 2.75rem;
  padding: 0;
  place-items: center;
  border-radius: 50%;
}

.btn-group>.btn:not(:last-child) {
  border-inline-end-color: rgb(181 181 184 / 24%);
}

.btn:disabled,
.btn.disabled,
fieldset:disabled .btn {
  transform: none;
  cursor: not-allowed;
  filter: saturate(0.35);
  opacity: 0.7;
  box-shadow: none;
}

/* ==========================================================================
   10. Forms
   ========================================================================== */

.form-label,
.col-form-label,
.form-check-label {
  color: var(--color-off-white);
  font-weight: 600;
}

.form-control,
.form-select {
  min-height: 2.75rem;
  border: 1px solid var(--color-border);
  border-radius: var(--radius-small);
  color: var(--color-text);
  background-color: var(--color-raised-charcoal);
  box-shadow: inset 0 1px 0 rgb(255 255 255 / 4%), inset 0 0.15rem 0.4rem rgb(0 0 0 / 28%);
  caret-color: var(--color-magenta-highlight);
  transition: border-color var(--transition-fast), box-shadow var(--transition-fast), background-color var(--transition-fast);
}

.form-control:hover,
.form-select:hover {
  border-color: var(--color-steel);
  background-color: var(--color-graphite);
}

.form-control:focus,
.form-select:focus {
  border-color: var(--color-bright-steel);
  color: var(--color-white);
  background-color: var(--color-raised-charcoal);
  box-shadow: var(--focus-ring), inset 0 1px 0 rgb(255 255 255 / 5%);
}

.form-control::placeholder {
  color: var(--color-bright-steel);
  opacity: 1;
}

textarea.form-control {
  min-height: 7.5rem;
  resize: vertical;
}

.form-select {
  color-scheme: dark;
}

.form-select option {
  color: var(--color-text);
  background: var(--color-charcoal);
}

.form-control:disabled,
.form-select:disabled,
.form-control[readonly] {
  border-color: var(--color-gunmetal);
  color: var(--color-light-silver);
  background-color: var(--color-near-black);
  cursor: not-allowed;
  opacity: 0.72;
}

.form-control[readonly] {
  cursor: default;
}

.form-control[type="file"]::file-selector-button {
  min-height: 2.65rem;
  margin-inline-end: 0.75rem;
  border: 0;
  border-inline-end: 1px solid var(--color-border);
  color: var(--color-off-white);
  background: var(--gradient-control);
  transition: background-color var(--transition-fast);
}

.form-control[type="file"]::file-selector-button:hover {
  background: var(--color-gunmetal);
}

.input-group-text {
  border-color: var(--color-border);
  color: var(--color-silver);
  background: var(--gradient-control);
}

.form-check-input {
  border: 1px solid var(--color-steel);
  background-color: var(--color-raised-charcoal);
  box-shadow: inset 0 0.1rem 0.25rem rgb(0 0 0 / 42%);
}

.form-check-input:checked {
  border-color: var(--color-magenta-highlight);
  background-color: var(--color-purple-electric);
}

.form-check-input[type="checkbox"]:checked {
  background-color: var(--color-crimson-deep);
}

.form-switch .form-check-input:checked {
  border-color: var(--color-magenta-highlight);
  background-color: var(--color-purple-electric);
}

.form-check-input:disabled,
.form-check-input:disabled~.form-check-label {
  cursor: not-allowed;
  opacity: 0.72;
}

.form-floating>.form-control,
.form-floating>.form-select {
  background-color: var(--color-raised-charcoal);
}

.form-floating>label {
  color: var(--color-light-silver);
}

.form-floating>.form-control:focus~label,
.form-floating>.form-control:not(:placeholder-shown)~label,
.form-floating>.form-select~label {
  color: var(--color-silver);
}

.form-outline .form-control {
  color: var(--color-text);
  background: var(--color-raised-charcoal);
}

.form-outline .form-label {
  color: var(--color-light-silver);
}

.form-outline .form-control:focus~.form-label,
.form-outline .form-control.active~.form-label {
  color: var(--color-magenta-highlight);
}

.form-outline .form-control:focus~.form-notch .form-notch-leading,
.form-outline .form-control:focus~.form-notch .form-notch-middle,
.form-outline .form-control:focus~.form-notch .form-notch-trailing {
  border-color: var(--color-violet-bright);
}

.form-control.is-invalid,
.was-validated .form-control:invalid,
.form-select.is-invalid,
.was-validated .form-select:invalid {
  border-width: 2px;
  border-color: var(--color-red-highlight);
}

.form-control.is-valid,
.was-validated .form-control:valid,
.form-select.is-valid,
.was-validated .form-select:valid {
  border-width: 2px;
  border-color: var(--color-success);
}

.invalid-feedback::before {
  content: "Error: ";
  font-weight: 700;
}

.valid-feedback::before {
  content: "Valid: ";
  font-weight: 700;
}

input:-webkit-autofill,
input:-webkit-autofill:hover,
input:-webkit-autofill:focus,
textarea:-webkit-autofill,
select:-webkit-autofill {
  -webkit-text-fill-color: var(--color-off-white);
  box-shadow: 0 0 0 1000px var(--color-raised-charcoal) inset, var(--focus-ring);
  caret-color: var(--color-magenta-highlight);
  transition: background-color 9999s ease-out;
}

/* ==========================================================================
   11. Cards and panels
   ========================================================================== */

.card {
  --mdb-card-bg: var(--color-surface);
  --mdb-card-color: var(--color-text);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-medium);
  color: var(--color-text);
  background: var(--gradient-surface);
  box-shadow: var(--shadow-surface);
  transition: transform var(--transition-standard), border-color var(--transition-standard), box-shadow var(--transition-standard);
}

.card:hover {
  transform: translateY(-2px);
  border-color: var(--color-steel);
  box-shadow: var(--shadow-raised);
}

.card-header,
.card-footer {
  border-color: var(--color-border);
  color: var(--color-silver);
  background: rgb(37 37 40 / 58%);
}

.card-header {
  border-radius: calc(var(--radius-medium) - 1px) calc(var(--radius-medium) - 1px) 0 0;
  box-shadow: inset 0 1px 0 rgb(181 181 184 / 7%);
}

.card-footer {
  border-radius: 0 0 calc(var(--radius-medium) - 1px) calc(var(--radius-medium) - 1px);
}

.card-title {
  color: var(--color-white);
  font-weight: 750;
}

.card-subtitle {
  color: var(--color-light-silver);
}

.card-text {
  color: var(--color-text);
}

.card.theme-card-crimson {
  border-inline-start: 3px solid var(--color-crimson);
}

.card.theme-card-violet {
  border-inline-start: 3px solid var(--color-violet);
}

/* ==========================================================================
   12. Lists, tabs, and accordions
   ========================================================================== */

.list-group {
  --mdb-list-group-bg: var(--color-surface);
  --mdb-list-group-color: var(--color-text);
  border-radius: var(--radius-medium);
}

.list-group-item {
  border-color: var(--color-border);
  color: var(--color-text);
  background: var(--color-surface);
}

.list-group-item-action:hover,
.list-group-item-action:focus {
  color: var(--color-white);
  background: var(--color-surface-hover);
}

.list-group-item.active {
  border-color: var(--color-purple-electric);
  color: var(--color-white);
  background: linear-gradient(90deg, var(--color-deepest-maroon), var(--color-dark-violet));
}

.nav-tabs {
  border-color: var(--color-border);
}

.nav-tabs .nav-link {
  border-color: transparent;
  color: var(--color-silver);
  background: transparent;
}

.nav-tabs .nav-link:hover {
  border-color: var(--color-border) var(--color-border) transparent;
  color: var(--color-white);
  background: var(--color-raised-charcoal);
}

.nav-tabs .nav-link.active,
.nav-tabs .nav-item.show .nav-link {
  border-color: var(--color-border) var(--color-border) var(--color-surface-raised);
  color: var(--color-white);
  background: var(--color-surface-raised);
  box-shadow: inset 0 2px 0 var(--color-crimson), inset 0 -1px 0 var(--color-violet);
}

.nav-pills .nav-link.active,
.nav-pills .show>.nav-link {
  color: var(--color-white);
  background: var(--gradient-accent);
  box-shadow: var(--shadow-crimson), var(--shadow-violet);
}

.accordion {
  --mdb-accordion-bg: var(--color-surface);
  --mdb-accordion-color: var(--color-text);
  --mdb-accordion-border-color: var(--color-border);
}

.accordion-item {
  border-color: var(--color-border);
  color: var(--color-text);
  background: var(--color-surface);
}

.accordion-button {
  min-height: 3rem;
  color: var(--color-off-white);
  background: var(--gradient-control);
  box-shadow: inset 0 -1px 0 var(--color-border);
}

.accordion-button:not(.collapsed) {
  color: var(--color-white);
  background: linear-gradient(90deg, var(--color-deepest-maroon), var(--color-dark-violet));
  box-shadow: inset 3px 0 0 var(--color-crimson), inset -3px 0 0 var(--color-violet);
}

.accordion-button::after {
  filter: grayscale(1) invert(1);
}

.accordion-body {
  color: var(--color-text);
  background: var(--color-charcoal);
}

.breadcrumb-item,
.breadcrumb-item a {
  color: var(--color-silver);
}

.breadcrumb-item.active {
  color: var(--color-text-muted);
}

.breadcrumb-item+.breadcrumb-item::before {
  color: var(--color-mid-silver);
}

/* ==========================================================================
   13. Tables
   ========================================================================== */

.table {
  --mdb-table-color: var(--color-text);
  --mdb-table-bg: var(--color-surface);
  --mdb-table-border-color: var(--color-border);
  --mdb-table-striped-bg: rgb(37 37 40 / 55%);
  --mdb-table-striped-color: var(--color-text);
  --mdb-table-hover-bg: rgb(55 56 58 / 56%);
  --mdb-table-hover-color: var(--color-white);
  --mdb-table-active-bg: rgb(82 32 93 / 46%);
  --mdb-table-active-color: var(--color-white);
  margin-bottom: 1rem;
  border-color: var(--color-border);
  color: var(--color-text);
}

.table> :not(caption)>*>* {
  color: inherit;
  background-color: transparent;
  border-bottom-color: var(--color-border);
  box-shadow: inset 0 0 0 9999px var(--mdb-table-accent-bg, transparent);
}

.table thead th {
  border-bottom-color: var(--color-steel);
  color: var(--color-off-white);
  background: var(--color-gunmetal);
  letter-spacing: 0.025em;
}

.table caption {
  color: var(--color-text-muted);
}

.table-responsive {
  border: 1px solid var(--color-border);
  border-radius: var(--radius-medium);
  scrollbar-color: var(--color-gunmetal) var(--color-near-black);
}

/* ==========================================================================
   14. Alerts, badges, and status elements
   ========================================================================== */

.alert {
  border: 1px solid var(--color-border);
  border-inline-start-width: 4px;
  border-radius: var(--radius-small);
  color: var(--color-text);
  background: var(--color-surface-raised);
  box-shadow: var(--shadow-surface);
}

.alert-danger {
  border-color: var(--color-crimson-deep);
  color: var(--color-red-pale);
  background: linear-gradient(90deg, var(--color-deepest-maroon), var(--color-surface-raised) 55%);
}

.alert-info,
.alert-primary {
  border-color: var(--color-purple-electric);
  color: var(--color-lavender-pale);
  background: linear-gradient(90deg, var(--color-deepest-violet), var(--color-surface-raised) 55%);
}

.alert-secondary,
.alert-light,
.alert-dark {
  border-color: var(--color-steel);
  color: var(--color-off-white);
  background: var(--gradient-surface);
}

.alert-success {
  border-color: var(--color-success);
  color: #a8d9b8;
  background: linear-gradient(90deg, var(--color-success-dark), var(--color-surface-raised) 55%);
}

.alert-warning {
  border-color: var(--color-warning);
  color: #f0d596;
  background: linear-gradient(90deg, var(--color-warning-dark), var(--color-surface-raised) 55%);
}

.badge {
  border: 1px solid rgb(181 181 184 / 28%);
  border-radius: var(--radius-pill);
  color: var(--color-white);
  font-weight: 700;
  letter-spacing: 0.025em;
  background: var(--color-gunmetal);
}

.badge.bg-primary {
  border-color: var(--color-purple-electric);
}

.badge.bg-danger {
  border-color: var(--color-red-highlight);
  background: var(--color-maroon-red) !important;
}

.badge.bg-success {
  border-color: var(--color-success);
  background: var(--color-success-dark) !important;
}

.badge.bg-warning {
  border-color: var(--color-warning);
  color: var(--color-white) !important;
  background: var(--color-warning-dark) !important;
}

.progress {
  border: 1px solid var(--color-border);
  background: var(--color-near-black);
}

.progress-bar {
  color: var(--color-white);
  background: var(--gradient-accent);
}

/* ==========================================================================
   15. Modals, dropdowns, tooltips, and offcanvas
   ========================================================================== */

.modal-content,
.offcanvas,
.popover {
  border: 1px solid var(--color-border-light);
  color: var(--color-text);
  background: var(--gradient-surface);
  box-shadow: var(--shadow-raised), -0.25rem 0 1rem rgb(203 52 75 / 8%), 0.25rem 0 1rem rgb(174 50 201 / 8%);
}

.modal-content {
  border-radius: var(--radius-large);
}

.modal-header,
.modal-footer,
.offcanvas-header {
  border-color: var(--color-border);
  background: rgb(37 37 40 / 45%);
}

.modal-title,
.offcanvas-title,
.popover-header {
  color: var(--color-white);
}

.modal-backdrop.show,
.offcanvas-backdrop.show {
  background: var(--color-black);
  opacity: 0.82;
}

.btn-close {
  border: 1px solid var(--color-steel);
  border-radius: var(--radius-small);
  background-color: var(--color-gunmetal);
  filter: grayscale(1) invert(1);
  opacity: 0.82;
}

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

.dropdown-menu {
  --mdb-dropdown-bg: var(--color-surface-raised);
  --mdb-dropdown-color: var(--color-text);
  min-width: 12rem;
  padding: 0.4rem;
  border: 1px solid var(--color-border-light);
  border-radius: var(--radius-medium);
  color: var(--color-text);
  background: var(--gradient-surface);
  box-shadow: var(--shadow-raised);
}

.dropdown-divider {
  border-color: var(--color-border);
}

.dropdown-header {
  color: var(--color-light-silver);
}

.dropdown-item {
  min-height: 2.5rem;
  border-radius: var(--radius-small);
  color: var(--color-text);
  background: transparent;
  transition: color var(--transition-fast), background-color var(--transition-fast);
}

.dropdown-item:hover,
.dropdown-item:focus {
  color: var(--color-white);
  background: var(--color-surface-hover);
}

.dropdown-item.active,
.dropdown-item:active {
  color: var(--color-white);
  background: linear-gradient(90deg, var(--color-maroon-red), var(--color-violet-royal));
}

.dropdown-item.disabled,
.dropdown-item:disabled {
  color: var(--color-light-silver);
  opacity: 0.72;
}

.tooltip-inner {
  border: 1px solid var(--color-steel);
  color: var(--color-off-white);
  background: var(--color-near-black);
  box-shadow: var(--shadow-surface);
}

.popover-header {
  border-color: var(--color-border);
  background: var(--color-graphite);
}

.popover-body {
  color: var(--color-text);
}

/* ==========================================================================
   16. Pagination and navigation controls
   ========================================================================== */

.pagination {
  --mdb-pagination-color: var(--color-silver);
  --mdb-pagination-bg: var(--color-surface);
  --mdb-pagination-border-color: var(--color-border);
}

.page-link {
  min-width: 2.6rem;
  min-height: 2.6rem;
  border-color: var(--color-border);
  color: var(--color-silver);
  background: var(--color-surface);
  transition: color var(--transition-fast), border-color var(--transition-fast), background-color var(--transition-fast);
}

.page-link:hover {
  border-color: var(--color-steel);
  color: var(--color-white);
  background: var(--color-surface-hover);
}

.page-item.active .page-link {
  border-color: var(--color-magenta-highlight);
  color: var(--color-white);
  background: var(--gradient-accent);
  box-shadow: var(--shadow-crimson), var(--shadow-violet);
}

.page-item.disabled .page-link {
  border-color: var(--color-gunmetal);
  color: var(--color-light-silver);
  background: var(--color-near-black);
  opacity: 0.72;
}

/* ==========================================================================
   17. Images and media
   ========================================================================== */

.img-thumbnail,
.theme-media-frame {
  padding: 0.25rem;
  border: 1px solid var(--color-border-light);
  border-radius: var(--radius-medium);
  background: var(--color-charcoal);
  box-shadow: var(--shadow-surface);
}

.figure-caption {
  color: var(--color-text-muted);
}

.ratio,
.theme-media-panel {
  overflow: hidden;
  border: 1px solid var(--color-border);
  border-radius: var(--radius-medium);
  background: var(--color-near-black);
}

/* ==========================================================================
   18. Decorative utilities
   ========================================================================== */

.theme-text-metallic {
  color: var(--color-silver);
  background: var(--gradient-metal);
  background-clip: text;
  -webkit-text-fill-color: transparent;
}

.theme-text-crimson {
  color: var(--color-red-highlight);
}

.theme-text-violet {
  color: var(--color-magenta-highlight);
}

.theme-text-accent {
  color: var(--color-red-pale);
}

.theme-border-metallic {
  border: 1px solid var(--color-border-light);
  box-shadow: inset 0 1px 0 rgb(181 181 184 / 10%);
}

.theme-edge-crimson {
  border-inline-start: 3px solid var(--color-crimson);
}

.theme-edge-violet {
  border-inline-start: 3px solid var(--color-violet);
}

.theme-divider-accent {
  height: 2px;
  border: 0;
  background: var(--gradient-accent);
}

.theme-surface-raised {
  border: 1px solid var(--color-border);
  border-radius: var(--radius-medium);
  background: var(--gradient-surface);
  box-shadow: var(--shadow-raised);
}

.theme-glow-crimson {
  box-shadow: var(--shadow-crimson);
}

.theme-glow-violet {
  box-shadow: var(--shadow-violet);
}

/* ==========================================================================
   19. Scrollbars and text selection
   ========================================================================== */

::selection {
  color: var(--color-white);
  background: var(--color-purple-muted);
  text-shadow: none;
}

::-webkit-scrollbar {
  width: 0.75rem;
  height: 0.75rem;
}

::-webkit-scrollbar-track {
  background: var(--color-near-black);
}

::-webkit-scrollbar-thumb {
  border: 2px solid var(--color-near-black);
  border-radius: var(--radius-pill);
  background: var(--color-gunmetal);
}

::-webkit-scrollbar-thumb:hover {
  background: linear-gradient(var(--color-crimson-deep), var(--color-purple-electric));
}

/* ==========================================================================
   20. Accessibility states
   ========================================================================== */

:where(a, button, input, select, textarea, [tabindex], .btn, .nav-link, .dropdown-item, .page-link, .accordion-button):focus-visible {
  outline: 2px solid var(--color-white);
  outline-offset: 3px;
  box-shadow: var(--focus-ring);
}

.form-control:focus-visible,
.form-select:focus-visible,
.form-check-input:focus-visible {
  outline: 2px solid var(--color-white);
  outline-offset: 2px;
  box-shadow: var(--focus-ring);
}

[aria-disabled="true"] {
  cursor: not-allowed;
}

.visually-hidden-focusable:not(:focus):not(:focus-within) {
  border: 0;
}

/* ==========================================================================
   21. Reduced-motion and contrast preferences
   ========================================================================== */

@media (prefers-reduced-motion: reduce) {
  html {
    scroll-behavior: auto;
  }

  *,
  *::before,
  *::after {
    scroll-behavior: auto !important;
    transition-duration: 0.01ms !important;
    animation-duration: 0.01ms !important;
    animation-iteration-count: 1 !important;
  }

  .btn:hover,
  .card:hover {
    transform: none;
  }
}

@media (prefers-contrast: more) {
  :root {
    --color-text-muted: var(--color-bright-steel);
    --color-border: var(--color-brushed-silver);
    --color-border-light: var(--color-off-white);
  }

  a {
    text-decoration-thickness: 0.14em;
  }

  .btn,
  .form-control,
  .form-select,
  .card,
  .dropdown-menu,
  .modal-content,
  .offcanvas {
    border-width: 2px;
  }

  :where(a, button, input, select, textarea, [tabindex], .btn, .nav-link):focus-visible {
    outline-width: 3px;
  }
}

/* ==========================================================================
   22. Responsive theme adjustments
   ========================================================================== */

@media (max-width: 767.98px) {
  body {
    background-image:
      radial-gradient(circle at 5% 18%, rgb(117 24 37 / 10%), transparent 22rem),
      radial-gradient(circle at 95% 18%, rgb(110 34 143 / 10%), transparent 22rem),
      linear-gradient(135deg, var(--color-charcoal), var(--color-near-black));
    background-attachment: scroll;
  }

  .navbar-nav .nav-link {
    min-height: 2.75rem;
    padding-inline: 0.75rem;
  }

  .navbar-nav .nav-link.active::after {
    right: auto;
    bottom: 0.25rem;
    left: 0.75rem;
    width: 3rem;
  }

  .hero,
  .theme-hero {
    box-shadow: var(--shadow-surface);
  }

  .card:hover {
    transform: none;
  }

  .modal-dialog {
    margin: 0.75rem;
  }

  .modal-content {
    max-height: calc(100dvh - 1.5rem);
    overflow-y: auto;
  }

  .btn:not(.btn-icon, .btn-floating),
  .form-control,
  .form-select,
  .page-link {
    min-height: 2.75rem;
  }

  .py-lg-6 {
    padding-block: 3rem;
  }

  .knowledge-search .input-group {
    flex-wrap: wrap;
  }

  .knowledge-search .input-group-text {
    display: none;
  }

  .knowledge-search .form-control {
    width: 100%;
    border-radius: var(--radius-small) var(--radius-small) 0 0;
  }

  .knowledge-search .btn {
    width: 100%;
    border-radius: 0 0 var(--radius-small) var(--radius-small);
  }

  .resource-item {
    align-items: stretch;
    flex-direction: column;
    gap: 1rem;
  }

  .resource-item .btn {
    width: 100%;
  }

}

@media (max-width: 359.98px) {

  h1,
  .h1 {
    font-size: 2rem;
  }

  .card-body,
  .modal-body,
  .offcanvas-body {
    padding: 0.9rem;
  }
}

/* ==========================================================================
   23. Knowledge-base homepage identity
   ========================================================================== */

.skip-link {
  position: fixed;
  z-index: 2000;
  top: 1rem;
  left: 1rem;
  padding: 0.75rem 1rem;
  border: 2px solid var(--color-white);
  border-radius: var(--radius-small);
  color: var(--color-white);
  background: var(--color-near-black);
}

.brand-mark,
.category-icon {
  display: inline-grid;
  flex: 0 0 auto;
  place-items: center;
  border: 1px solid var(--color-border-light);
  color: var(--color-white);
  background: linear-gradient(145deg, var(--color-maroon-red), var(--color-violet-royal));
  box-shadow: inset 0 1px 0 rgb(255 255 255 / 14%);
}

.brand-mark {
  width: 2.25rem;
  height: 2.25rem;
  border-radius: var(--radius-medium);
}

.category-icon {
  width: 3rem;
  height: 3rem;
  border-radius: 50%;
  font-size: 1.15rem;
}

.py-lg-6 {
  padding-block: 5rem;
}

.section-space {
  padding-block: clamp(4rem, 7vw, 6.5rem);
}

.section-surface {
  border-block: 1px solid var(--color-border);
  background: rgb(11 11 13 / 58%);
}

.section-heading {
  max-width: 52rem;
}

.knowledge-search {
  max-width: 52rem;
}

.path-number {
  display: inline-grid;
  flex: 0 0 auto;
  width: 2.75rem;
  height: 2.75rem;
  place-items: center;
  border: 1px solid var(--color-border-light);
  border-radius: var(--radius-small);
  color: var(--color-white);
  font-weight: 800;
  background: var(--color-graphite);
}

.trust-principle {
  border: 1px solid var(--color-border);
  border-radius: var(--radius-medium);
  background: var(--color-surface);
  box-shadow: var(--shadow-surface);
}

.trust-principle i {
  color: var(--color-magenta-highlight);
}

.signup-card {
  overflow: hidden;
  border-inline-start: 3px solid var(--color-crimson);
  border-inline-end: 3px solid var(--color-violet);
}

.site-footer {
  background: rgb(0 0 0 / 58%);
}

.footer-brand {
  color: var(--color-white);
  font-size: 1.15rem;
  font-weight: 800;
  letter-spacing: 0.05em;
  text-decoration: none;
}

.footer-links li+li {
  margin-top: 0.55rem;
}

.footer-links a {
  color: var(--color-silver);
}

/* Scam guide detail pages */
.guide-side-panel {
  border: 1px solid var(--color-border);
  border-inline-start: 3px solid var(--color-violet);
  border-radius: var(--radius-medium);
  background: var(--gradient-surface);
  box-shadow: var(--shadow-surface);
}

.check-list {
  padding-inline-start: 1.25rem;
}

.check-list li+li {
  margin-top: 0.8rem;
}

.check-list li::marker {
  color: var(--color-crimson);
}

.risk-badge {
  display: inline-flex;
  padding: 0.3rem 0.65rem;
  border: 1px solid currentColor;
  border-radius: var(--radius-pill);
  font-size: 0.75rem;
  font-weight: 800;
  letter-spacing: 0.04em;
  text-transform: uppercase;
}

.risk-notice {
  color: var(--color-silver);
}

.risk-caution {
  color: var(--color-warning);
}

.risk-high {
  color: var(--color-red-pale);
  background: rgb(87 25 33 / 55%);
}

.action-step-list {
  display: grid;
  gap: 1rem;
  margin: 0;
  padding: 0;
  list-style: none;
}

.action-step-list li {
  display: flex;
  gap: 1rem;
  padding: 1.25rem;
  border: 1px solid var(--color-border);
  border-radius: var(--radius-medium);
  background: var(--color-surface);
  box-shadow: var(--shadow-surface);
}

.resource-list {
  overflow: hidden;
  border: 1px solid var(--color-border);
  border-radius: var(--radius-medium);
  background: var(--color-surface);
  box-shadow: var(--shadow-surface);
}

.resource-item {
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 2rem;
  padding: 1.5rem;
}

.resource-item+.resource-item {
  border-top: 1px solid var(--color-border);
}

.resource-item .btn {
  flex: 0 0 auto;
}

.guide-review {
  border-top: 1px solid var(--color-border);
  background: rgb(0 0 0 / 25%);
}

/* Responsive refinements for finished content and resource views. */
.article-copy {
  font-size: 1.08rem;
}

.article-copy p+p {
  margin-top: 1.5rem;
}

.site-header__help-cta,
.site-header__help-cta:link,
.site-header__help-cta:visited,
.site-header__help-cta:hover,
.site-header__help-cta:focus,
.site-header__help-cta:active,
.site-header__help-cta.active {
  color: #ffffff !important;
}

:focus-visible {
  outline: 3px solid var(--color-magenta-highlight);
  outline-offset: 3px;
}

@media (max-width: 767.98px) {
  .input-group-lg {
    flex-wrap: wrap;
  }

  .input-group-lg .form-control {
    min-width: 0;
  }
}

.operational-location-list {
  display: grid;
  gap: 0.75rem;
}

.operational-location-item {
  background: var(--color-surface-raised);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-large);
  overflow: hidden;
}

.operational-location-item summary {
  align-items: center;
  cursor: pointer;
  display: flex;
  gap: 1rem;
  justify-content: space-between;
  padding: 1rem 1.25rem;
}

.operational-location-item summary::marker {
  color: var(--color-violet);
}

.operational-location-name {
  font-weight: 700;
}

.operational-location-detail {
  border-top: 1px solid var(--color-border);
  padding: 1.25rem;
}

@media (max-width: 575.98px) {
  .operational-location-item summary {
    align-items: flex-start;
    flex-direction: column;
    gap: 0.5rem;
  }
}