:root,
[data-bs-theme="dark"] {
  --utcfq-bg: #0d0d0d;
  --utcfq-surface: #121212;
  --utcfq-surface-2: #171717;
  --utcfq-text: #e8e8e8;
  --utcfq-muted: #8a8a8a;
  --utcfq-border: #2a2a2a;
  --utcfq-accent: #c0392b;
  --utcfq-accent-soft: rgba(192, 57, 43, 0.16);
  --bs-body-bg: var(--utcfq-bg);
  --bs-body-color: var(--utcfq-text);
  --bs-primary: var(--utcfq-accent);
  --bs-link-color: var(--utcfq-accent);
  --bs-link-hover-color: var(--utcfq-text);
  color-scheme: dark;
}

* {
  letter-spacing: 0;
}

html,
body,
button,
input,
select,
textarea,
.container,
.navbar,
.dropdown-menu,
.modal-content {
  font-family: "JetBrains Mono", "IBM Plex Mono", "SFMono-Regular", Consolas, "Liberation Mono", monospace !important;
}

html,
body {
  min-height: 100%;
  background: var(--utcfq-bg);
  color: var(--utcfq-text);
}

body {
  overflow-x: hidden;
}

a {
  color: var(--utcfq-accent);
  text-decoration: none;
}

a:hover,
a:focus {
  color: var(--utcfq-text);
  text-decoration: underline !important;
  text-underline-offset: 0.22em;
}

.container {
  max-width: 920px;
}

.navbar {
  padding: 0.85rem 0;
  border-bottom: 1px solid var(--utcfq-border);
  background: var(--utcfq-bg) !important;
  box-shadow: none;
}

.navbar-brand {
  color: var(--utcfq-text) !important;
  font-size: 0.95rem;
  font-weight: 600;
}

.navbar .nav-link {
  padding-right: 0.75rem;
  padding-left: 0.75rem;
  color: var(--utcfq-muted) !important;
  font-size: 0.85rem;
}

.navbar .nav-link:hover,
.navbar .nav-link:focus,
.navbar .nav-link.active {
  color: var(--utcfq-text) !important;
  text-decoration: underline !important;
  text-underline-offset: 0.24em;
}

.navbar-toggler {
  border-color: var(--utcfq-border);
  border-radius: 0;
}

main[role="main"] {
  min-height: calc(100vh - 8rem);
  padding-bottom: 3rem;
}

.jumbotron {
  margin: 2rem 0 1.5rem;
  padding: 1.5rem 0 0.75rem;
  border-bottom: 1px solid var(--utcfq-border);
  background: transparent !important;
  color: var(--utcfq-text);
}

.jumbotron h1,
h1,
h2,
h3 {
  color: var(--utcfq-text);
  font-weight: 500;
  text-shadow: none;
}

.jumbotron h1 {
  margin: 0;
  font-size: 1.35rem;
}

h2 {
  font-size: 1.2rem;
}

h3 {
  font-size: 1rem;
}

.card,
.modal-content,
.dropdown-menu,
.list-group-item,
.alert,
.table {
  border-color: var(--utcfq-border);
  background-color: var(--utcfq-surface);
  color: var(--utcfq-text);
  box-shadow: none;
}

.card,
.modal-content {
  border-radius: 0;
}

.table {
  --bs-table-bg: transparent;
  --bs-table-color: var(--utcfq-text);
  --bs-table-striped-bg: #101010;
  --bs-table-striped-color: var(--utcfq-text);
  --bs-table-hover-bg: #161616;
  --bs-table-hover-color: var(--utcfq-text);
  border-color: var(--utcfq-border);
  font-size: 0.9rem;
}

.table th,
.table td {
  border-color: var(--utcfq-border);
}

.form-control,
.form-select,
.input-group-text {
  border-color: var(--utcfq-border);
  border-radius: 0;
  background-color: #090909;
  color: var(--utcfq-text);
}

.form-control:focus,
.form-select:focus {
  border-color: var(--utcfq-accent);
  background-color: #090909;
  color: var(--utcfq-text);
  box-shadow: none;
}

.btn {
  border-radius: 0;
  font-size: 0.88rem;
  font-weight: 500;
}

.btn-primary,
.btn-info {
  border-color: var(--utcfq-accent);
  background: var(--utcfq-accent);
  color: #0d0d0d;
  box-shadow: none;
}

.btn-primary:hover,
.btn-info:hover {
  border-color: var(--utcfq-text);
  background: var(--utcfq-text);
  color: #0d0d0d;
}

.btn-dark,
.btn-secondary,
.btn-outline-secondary,
.btn-outline-info {
  border-color: var(--utcfq-border);
  background: transparent;
  color: var(--utcfq-text);
}

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

.badge,
.tag,
.challenge-tag {
  border: 0;
  border-radius: 0;
  background: transparent !important;
  color: var(--utcfq-muted) !important;
  font-weight: 400;
}

.challenge-button,
[data-utcfq-card] {
  min-height: 5.6rem;
  border: 1px solid var(--utcfq-border) !important;
  border-radius: 0 !important;
  background: var(--utcfq-surface) !important;
  box-shadow: none;
}

.challenge-button:hover,
[data-utcfq-card]:hover {
  border-color: var(--utcfq-accent) !important;
  background: #141414 !important;
}

.challenge-solved {
  border-color: #4a4a4a !important;
  opacity: 0.7;
}

.challenge-inner {
  margin: 0 !important;
  text-align: left;
}

.challenge-inner p {
  margin-bottom: 0.75rem;
  color: var(--utcfq-text);
  font-size: 0.94rem;
}

.challenge-inner span {
  color: var(--utcfq-muted);
  font-size: 0.82rem;
}

.text-muted,
.text-secondary {
  color: var(--utcfq-muted) !important;
}

.footer {
  padding: 1.25rem 0;
  border-top: 1px solid var(--utcfq-border);
  background: var(--utcfq-bg);
  font-size: 0.72rem;
}

pre,
code,
.challenge-connection-info {
  color: var(--utcfq-text);
  font-family: inherit;
}

::selection {
  background: var(--utcfq-accent-soft);
  color: var(--utcfq-text);
}

.utcfq-home {
  max-width: 640px;
  padding: 5rem 0 4rem;
}

.utcfq-home-label {
  margin-bottom: 1.5rem;
  color: var(--utcfq-muted);
  font-size: 0.82rem;
}

.utcfq-home h1 {
  margin-bottom: 1.25rem;
  font-size: clamp(1.65rem, 5vw, 3rem);
  font-weight: 500;
  line-height: 1.15;
}

.utcfq-home p {
  max-width: 58ch;
  color: var(--utcfq-muted);
  font-size: 0.95rem;
  line-height: 1.8;
}

.utcfq-home-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 1rem;
  margin-top: 2rem;
}

.utcfq-cursor {
  color: var(--utcfq-accent);
  animation: utcfq-cursor-blink 1.1s steps(1) infinite;
}

@keyframes utcfq-cursor-blink {
  50% {
    opacity: 0;
  }
}

.modal-content {
  background: #0f0f0f;
}

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

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

.nav-tabs .nav-link {
  border: 0;
  border-bottom: 1px solid transparent;
  border-radius: 0;
  background: transparent;
  color: var(--utcfq-muted);
}

.nav-tabs .nav-link.active {
  border-bottom-color: var(--utcfq-accent);
  background: transparent;
  color: var(--utcfq-text);
}

.challenge-name,
.challenge-value {
  text-align: left !important;
}

.challenge-value {
  color: var(--utcfq-muted);
  font-size: 0.95rem;
}

.challenge-desc {
  display: block;
  margin: 1.5rem 0;
  padding: 1rem;
  border: 1px solid var(--utcfq-border);
  background: #090909;
  color: var(--utcfq-text);
  font-size: 0.9rem;
  line-height: 1.65;
  white-space: pre-wrap;
}

.challenge-hints details {
  margin: 0.75rem 0;
  color: var(--utcfq-muted);
}

.challenge-hints summary {
  color: var(--utcfq-text);
  cursor: pointer;
}

.spinner,
.navbar i,
.btn-file i,
.challenge-ratings i {
  display: none !important;
}

@media (max-width: 768px) {
  .container {
    max-width: 100%;
  }

  .navbar .nav-link {
    padding-left: 0;
  }

  .utcfq-home {
    padding-top: 4rem;
  }
}