/* =========================================================
   INKED COMIC PANEL THEME + IMAGES
   - Default = dark cyberpunk noir
   - Built-in light/dark toggle supported
   - Banner image + background image integrated
   - Modal styling is visual-only (no behavior overrides)
   ========================================================= */

/* ===== DARK MODE DEFAULT ===== */
:root {
  --cp-bg: #161022;
  --cp-bg-2: #24163a;
  --cp-surface: #2d1d49;
  --cp-surface-2: #3a255d;
  --cp-panel: rgba(45, 29, 73, 0.95);
  --cp-panel-2: rgba(58, 37, 93, 0.97);

  --cp-purple: #9d63ff;
  --cp-purple-2: #c293ff;
  --cp-gold: #f2c94c;
  --cp-gold-2: #ffe08a;

  --cp-ink: #0d0a14;
  --cp-ink-soft: #1d142e;
  --cp-text: #f8f3ff;
  --cp-muted: #dccff4;

  --cp-link: #ffe08a;
  --cp-link-hover: #fff3bd;

  --cp-line: rgba(242, 201, 76, 0.32);
  --cp-outline: 4px solid var(--cp-ink);
  --cp-outline-thin: 3px solid var(--cp-ink);

  --cp-shadow: 5px 5px 0 rgba(13, 10, 20, 0.34);
  --cp-shadow-strong: 7px 7px 0 rgba(13, 10, 20, 0.38);
  --cp-glow: 0 0 16px rgba(157, 99, 255, 0.14);

  --cp-btn-primary-bg: linear-gradient(180deg, #c293ff 0%, #9d63ff 55%, #7f43ea 100%);
  --cp-btn-primary-text: #ffffff;
  --cp-btn-primary-border: var(--cp-ink);

  --cp-btn-secondary-bg: linear-gradient(180deg, #fff0b0 0%, #f2c94c 55%, #d9a91e 100%);
  --cp-btn-secondary-text: #161022;
  --cp-btn-secondary-border: var(--cp-ink);
  --cp-btn-success-bg: var(--cp-alert-success-bg);
  --cp-btn-success-bg-hover: var(--cp-alert-success-bg);
  --cp-btn-success-text: #161022;
  --cp-btn-success-border: var(--cp-ink);

  --cp-input-bg: rgba(255, 255, 255, 0.08);
  --cp-input-text: #f8f3ff;
  --cp-input-placeholder: rgba(248, 243, 255, 0.65);

  --cp-tab-bg: rgba(255, 255, 255, 0.06);
  --cp-tab-text: #f8f3ff;
  --cp-tab-active-bg: linear-gradient(135deg, #9d63ff, #c293ff);
  --cp-tab-active-text: #ffffff;

  --cp-table-head-bg: rgba(157, 99, 255, 0.24);
  --cp-table-head-text: #f2c94c;

  --cp-close-bg: #f2c94c;
  --cp-close-text: #161022;
  --cp-close-border: var(--cp-ink);

  --cp-alert-success-bg: #b8d978;
  --cp-alert-success-text: #16250b;
  --cp-alert-success-border: #5f7a2e;
  --cp-alert-info-bg: #d7e9ff;
  --cp-alert-info-text: #14253b;
  --cp-alert-info-border: #7da8d7;
  --cp-alert-warning-bg: #ffe08a;
  --cp-alert-warning-text: #3d2808;
  --cp-alert-warning-border: #d8a83a;
  --cp-alert-danger-bg: #ffc4cf;
  --cp-alert-danger-text: #3b0f19;
  --cp-alert-danger-border: #c96b7a;

  /* Images */
  --cp-banner-img: url("../img/hex-nova-banner.png");
  --cp-bg-img: url("../img/hex-nova-bg.png");

  /* Background image tint */
  --cp-bg-overlay: rgba(22, 16, 34, 0.84);
  --cp-navbar-banner-opacity: 0.45;
}

/* Theme-local image assets */

/* ===== LIGHT MODE ===== */
html[data-bs-theme="light"],
body[data-bs-theme="light"],
html[data-theme="light"],
body[data-theme="light"] {
  --cp-bg: #f4ecff;
  --cp-bg-2: #fff7e9;
  --cp-surface: #ffffff;
  --cp-surface-2: #f6eeff;
  --cp-panel: rgba(255, 255, 255, 0.97);
  --cp-panel-2: rgba(246, 238, 255, 0.99);

  --cp-purple: #8f5cff;
  --cp-purple-2: #b78dff;
  --cp-gold: #e0aa19;
  --cp-gold-2: #f2c94c;

  --cp-ink: #171122;
  --cp-ink-soft: #2b2140;
  --cp-text: #221934;
  --cp-muted: #5f507d;

  --cp-link: #6c4ed6;
  --cp-link-hover: #8f5cff;

  --cp-line: rgba(143, 92, 255, 0.22);
  --cp-shadow: 4px 4px 0 rgba(23, 17, 34, 0.14);
  --cp-shadow-strong: 6px 6px 0 rgba(23, 17, 34, 0.18);
  --cp-glow: 0 0 14px rgba(143, 92, 255, 0.08);

  --cp-btn-primary-bg: linear-gradient(180deg, #b78dff 0%, #8f5cff 55%, #7545e6 100%);
  --cp-btn-primary-text: #ffffff;
  --cp-btn-primary-border: var(--cp-ink);

  --cp-btn-secondary-bg: linear-gradient(180deg, #fff4c7 0%, #f2c94c 55%, #dfb22e 100%);
  --cp-btn-secondary-text: #221934;
  --cp-btn-secondary-border: var(--cp-ink);
  --cp-btn-success-bg: var(--cp-alert-success-bg);
  --cp-btn-success-bg-hover: var(--cp-alert-success-bg);
  --cp-btn-success-text: #161022;
  --cp-btn-success-border: var(--cp-ink);

  --cp-input-bg: rgba(255, 255, 255, 0.95);
  --cp-input-text: #221934;
  --cp-input-placeholder: rgba(34, 25, 52, 0.48);

  --cp-tab-bg: #ffffff;
  --cp-tab-text: #221934;
  --cp-tab-active-bg: linear-gradient(135deg, #d7c1ff, #aee4ff);
  --cp-tab-active-text: #221934;

  --cp-table-head-bg: linear-gradient(135deg, #efe4ff, #e2f6ff);
  --cp-table-head-text: #221934;

  --cp-close-bg: #fff3c2;
  --cp-close-text: #221934;
  --cp-close-border: var(--cp-ink);

  --cp-alert-success-bg: #bedda8;
  --cp-alert-success-text: #17311c;
  --cp-alert-success-border: #6e8f57;
  --cp-alert-info-bg: #dae8f8;
  --cp-alert-info-text: #1c304b;
  --cp-alert-info-border: #90a9c9;
  --cp-alert-warning-bg: #fff0bf;
  --cp-alert-warning-text: #493511;
  --cp-alert-warning-border: #d7ba72;
  --cp-alert-danger-bg: #f9d4db;
  --cp-alert-danger-text: #4f1f29;
  --cp-alert-danger-border: #cc97a1;

  --cp-bg-overlay: rgba(244, 236, 255, 0.82);
  --cp-navbar-banner-opacity: 0.35;
}

/* ===== Page base ===== */
html {
  min-height: 100%;
  background: linear-gradient(180deg, var(--cp-bg) 0%, var(--cp-bg-2) 100%) !important;
}

body {
  min-height: 100vh;
  background:
    radial-gradient(circle at 18% 20%, rgba(194, 147, 255, 0.14), transparent 22%),
    radial-gradient(circle at 82% 16%, rgba(242, 201, 76, 0.10), transparent 18%),
    linear-gradient(var(--cp-bg-overlay), var(--cp-bg-overlay)),
    var(--cp-bg-img),
    linear-gradient(180deg, var(--cp-bg) 0%, var(--cp-bg-2) 100%) !important;
  background-size:
    auto,
    auto,
    auto,
    cover,
    auto !important;
  background-position:
    center,
    center,
    center,
    center,
    center !important;
  background-repeat:
    no-repeat,
    no-repeat,
    no-repeat,
    no-repeat,
    no-repeat !important;
  background-attachment:
    fixed,
    fixed,
    fixed,
    fixed,
    fixed !important;
  color: var(--cp-text) !important;
  font-family: "Trebuchet MS", "Segoe UI", "Liberation Sans", "Nimbus Sans", "DejaVu Sans", Arial, sans-serif !important;
  letter-spacing: 0.02em;
  display: flex;
  flex-direction: column;
}

main {
  flex: 1 0 auto;
  margin-bottom: 0 !important;
}

/* Halftone / print texture */
body::before,
body::after {
  content: "";
  position: fixed;
  inset: 0;
  pointer-events: none;
}

body::before {
  opacity: 0.08;
  background-image:
    radial-gradient(circle, rgba(255,255,255,0.08) 1px, transparent 1px);
  background-size: 11px 11px;
}

body::after {
  opacity: 0.05;
  background:
    repeating-linear-gradient(
      to bottom,
      rgba(255,255,255,0.03) 0px,
      rgba(255,255,255,0.03) 1px,
      transparent 2px,
      transparent 5px
    );
}

/* ===== Typography ===== */
h1, h2, h3, h4, h5, h6,
.navbar-brand,
.jumbotron h1,
.jumbotron h2,
.challenge-name,
.modal-title {
  font-family: Impact, "Arial Black", Haettenschweiler, "Arial Narrow Bold", "Liberation Sans Narrow", "Nimbus Sans Narrow", sans-serif !important;
  text-transform: uppercase;
  letter-spacing: 0.05em;
  color: var(--cp-gold) !important;
  text-shadow:
    -1px -1px 0 var(--cp-ink),
     1px -1px 0 var(--cp-ink),
    -1px  1px 0 var(--cp-ink),
     1px  1px 0 var(--cp-ink),
     3px  3px 0 rgba(13,10,20,0.14);
}

p, small, li, label, .text-muted {
  color: var(--cp-muted) !important;
}

strong, b {
  color: var(--cp-text) !important;
}

a,
a:not(.btn) {
  color: var(--cp-link) !important;
  text-decoration: none;
  font-weight: 700;
}

a:hover,
a:focus {
  color: var(--cp-link-hover) !important;
}

/* ===== Cloud Village landing ===== */
.cv-landing {
  --cv-purple: #8f5cff;
  --cv-purple-soft: #c293ff;
  --cv-green: #4fdd57;
  --cv-green-soft: #7df283;
  --cv-comic-outline-display:
    -2px -2px 0 var(--cp-ink),
     2px -2px 0 var(--cp-ink),
    -2px  2px 0 var(--cp-ink),
     2px  2px 0 var(--cp-ink),
     5px  5px 0 rgba(13,10,20,0.18);
  --cv-comic-outline-display-light:
    -3px -3px 0 #171122,
     3px -3px 0 #171122,
    -3px  3px 0 #171122,
     3px  3px 0 #171122,
     6px  6px 0 rgba(23,17,34,0.16);
  padding: 8rem 0 4rem;
}

.cv-landing-logo {
  display: inline-block;
  width: min(220px, 55vw);
  height: auto;
  margin-bottom: 1.5rem;
  filter:
    drop-shadow(0 -2px 0 var(--cp-ink))
    drop-shadow(0 2px 0 var(--cp-ink))
    drop-shadow(-2px 0 0 var(--cp-ink))
    drop-shadow(2px 0 0 var(--cp-ink))
    drop-shadow(-2px -2px 0 var(--cp-ink))
    drop-shadow(2px -2px 0 var(--cp-ink))
    drop-shadow(-2px 2px 0 var(--cp-ink))
    drop-shadow(2px 2px 0 var(--cp-ink))
    drop-shadow(7px 7px 0 rgba(13,10,20,0.32))
    drop-shadow(0 0 24px rgba(79, 221, 87, 0.22));
}

.cv-landing-title {
  margin-bottom: 0.75rem;
  color: var(--cv-green-soft) !important;
  text-shadow: var(--cv-comic-outline-display);
}

.cv-landing-title span {
  color: var(--cv-purple-soft) !important;
  text-shadow: var(--cv-comic-outline-display);
}

.cv-landing-event {
  margin-bottom: 1.5rem;
  color: var(--cv-green) !important;
  font-size: clamp(1rem, 1.8vw, 1.25rem);
  font-weight: 900;
  letter-spacing: 0.05em;
  text-transform: uppercase;
}

.cv-landing-label {
  margin-bottom: 1rem;
  color: var(--cp-text) !important;
  font-size: 1.05rem;
  font-weight: 800;
}

.cv-social-links {
  display: flex;
  justify-content: center;
  flex-wrap: wrap;
  gap: 0.9rem;
  margin-bottom: 2rem;
}

.cv-social-link {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 3.5rem;
  height: 3.5rem;
  background: linear-gradient(180deg, rgba(194, 147, 255, 0.24), rgba(79, 221, 87, 0.22)) !important;
  color: var(--cv-green-soft) !important;
  border: var(--cp-outline-thin) !important;
  border-radius: 50% !important;
  box-shadow: var(--cp-shadow) !important;
  font-size: 1.35rem;
  transition: transform 0.14s ease, box-shadow 0.14s ease, color 0.14s ease;
}

.cv-social-link:hover,
.cv-social-link:focus {
  transform: translate(-2px, -2px);
  color: var(--cv-purple-soft) !important;
  box-shadow: var(--cp-shadow-strong), var(--cp-glow) !important;
}

.cv-social-link i {
  color: inherit !important;
}

.cv-landing-register {
  margin-bottom: 0;
}

a.cv-register-link {
  display: inline-block;
  padding: 0.9rem 1.5rem;
  background: linear-gradient(180deg, var(--cv-green-soft) 0%, var(--cv-green) 55%, #29c830 100%) !important;
  color: #171122 !important;
  border: var(--cp-outline) !important;
  border-radius: 2px !important;
  box-shadow: var(--cp-shadow) !important;
  font-weight: 900;
  letter-spacing: 0.035em;
  text-transform: uppercase;
}

a.cv-register-link,
a.cv-register-link:visited,
a.cv-register-link:hover,
a.cv-register-link:focus,
a.cv-register-link:active {
  color: #171122 !important;
  -webkit-text-fill-color: #171122 !important;
}

.cv-landing-event {
  -webkit-text-stroke: 1.1px #171122;
  text-shadow: 1px 1px 0 rgba(23,17,34,0.12);
}

a.cv-register-link {
  text-shadow:
    0 1px 0 rgba(255,255,255,0.16),
    0 0 10px rgba(122, 79, 242, 0.10);
}

a.cv-register-link:hover,
a.cv-register-link:focus {
  transform: translate(-2px, -2px);
  box-shadow: var(--cp-shadow-strong), var(--cp-glow) !important;
}

/* ===== Sponsor section ===== */
.cv-sponsors-section {
  margin-top: 3rem;
  padding-top: 2rem;
  border-top: 3px solid rgba(242, 201, 76, 0.24);
}

.cv-sponsors-grid {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 1.5rem 2rem;
  margin-top: 1.5rem;
}

.cv-sponsor-item {
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  gap: 0.8rem;
  min-height: 135px;
  padding: 0.25rem 0.75rem;
  background: transparent !important;
  border: none !important;
  border-radius: 0 !important;
  box-shadow: none !important;
  transition: transform 0.14s ease;
}

.cv-sponsor-item:hover {
  transform: translate(-2px, -2px);
}

.cv-sponsor-logo {
  max-width: min(100%, 320px);
  max-height: 82px;
  width: auto;
  height: auto;
  object-fit: contain;
  filter:
    drop-shadow(0 0 0 rgba(0, 0, 0, 0.8))
    drop-shadow(1px 1px 0 rgba(0, 0, 0, 0.8))
    drop-shadow(-1px -1px 0 rgba(0, 0, 0, 0.8))
    drop-shadow(1px -1px 0 rgba(0, 0, 0, 0.8))
    drop-shadow(-1px 1px 0 rgba(0, 0, 0, 0.8));
}

.cv-sponsor-item-dark .cv-sponsor-logo {
  filter:
    drop-shadow(0 0 0 rgba(255, 255, 255, 0.9))
    drop-shadow(1px 1px 0 rgba(255, 255, 255, 0.9))
    drop-shadow(-1px -1px 0 rgba(255, 255, 255, 0.9))
    drop-shadow(1px -1px 0 rgba(255, 255, 255, 0.9))
    drop-shadow(-1px 1px 0 rgba(255, 255, 255, 0.9));
}

.cv-sponsor-tier {
  margin: 0;
  color: var(--cp-text) !important;
  font-size: 0.9rem;
  font-weight: 900;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  text-shadow: 1px 1px 0 rgba(23, 17, 34, 0.18);
}

@media (max-width: 768px) {
  .cv-sponsors-grid {
    gap: 1.2rem;
  }

  .cv-sponsor-item {
    min-height: 115px;
  }

  .cv-sponsor-logo {
    max-height: 70px;
  }

  .cv-sponsor-tier {
    font-size: 0.82rem;
  }
}

@media (max-width: 540px) {
  .cv-sponsors-grid {
    grid-template-columns: 1fr;
  }

  .cv-sponsor-item {
    min-height: auto;
  }
}

html[data-bs-theme="light"] .cv-sponsors-section,
body[data-bs-theme="light"] .cv-sponsors-section,
html[data-theme="light"] .cv-sponsors-section,
body[data-theme="light"] .cv-sponsors-section {
  border-top-color: rgba(23, 17, 34, 0.28);
}

html[data-bs-theme="light"] .cv-landing-title,
body[data-bs-theme="light"] .cv-landing-title,
html[data-theme="light"] .cv-landing-title,
body[data-theme="light"] .cv-landing-title {
  color: var(--cv-green-soft) !important;
  text-shadow: var(--cv-comic-outline-display-light);
}

html[data-bs-theme="light"] .cv-landing-title span,
body[data-bs-theme="light"] .cv-landing-title span,
html[data-theme="light"] .cv-landing-title span,
body[data-theme="light"] .cv-landing-title span {
  color: var(--cv-purple-soft) !important;
  text-shadow: var(--cv-comic-outline-display-light);
}

html[data-bs-theme="light"] .cv-landing-event,
body[data-bs-theme="light"] .cv-landing-event,
html[data-theme="light"] .cv-landing-event,
body[data-theme="light"] .cv-landing-event {
  color: #171122 !important;
}

html[data-bs-theme="light"] .cv-landing-event,
body[data-bs-theme="light"] .cv-landing-event,
html[data-theme="light"] .cv-landing-event,
body[data-theme="light"] .cv-landing-event {
  -webkit-text-stroke: 1.3px #171122;
}

html[data-bs-theme="light"] .cv-landing-label,
body[data-bs-theme="light"] .cv-landing-label,
html[data-theme="light"] .cv-landing-label,
body[data-theme="light"] .cv-landing-label {
  color: #221934 !important;
}

/* ===== Shared comic panel styles ===== */
.jumbotron,
.card,
.challenge-window,
.modal-content,
.table,
pre,
code.block,
.list-group-item,
.alert,
.badge {
  border: var(--cp-outline) !important;
  border-radius: 3px !important;
  box-shadow: var(--cp-shadow) !important;
}

/* ===== Navbar ===== */
.navbar {
  position: relative;
  overflow: visible;
  background:
    linear-gradient(90deg, rgba(58,37,93,0.95), rgba(45,29,73,0.96)) !important;
  border-bottom: var(--cp-outline) !important;
  box-shadow:
    inset 0 -3px 0 rgba(242, 201, 76, 0.20),
    0 3px 0 rgba(13,10,20,0.12);
}

html[data-bs-theme="light"] .navbar,
body[data-bs-theme="light"] .navbar,
html[data-theme="light"] .navbar,
body[data-theme="light"] .navbar {
  background:
    linear-gradient(90deg, rgba(183,141,255,0.93), rgba(174,228,255,0.93)) !important;
}

.navbar::before {
  content: "";
  position: absolute;
  inset: 0;
  pointer-events: none;
  z-index: 0;
  background-image:
    linear-gradient(90deg, rgba(58,37,93,0.78), rgba(45,29,73,0.82)),
    var(--cp-banner-img);
  background-size: cover, cover;
  background-position: center, center;
  background-repeat: no-repeat, no-repeat;
  opacity: var(--cp-navbar-banner-opacity);
}

html[data-bs-theme="light"] .navbar::before,
body[data-bs-theme="light"] .navbar::before,
html[data-theme="light"] .navbar::before,
body[data-theme="light"] .navbar::before {
  background-image:
    linear-gradient(90deg, rgba(183,141,255,0.62), rgba(174,228,255,0.62)),
    var(--cp-banner-img);
}

.navbar > * {
  position: relative;
  z-index: 1;
}

.navbar .nav-link,
.navbar .navbar-brand,
.navbar .dropdown-item {
  color: var(--cp-text) !important;
  font-weight: 800 !important;
}

.navbar .nav-link *,
.navbar .navbar-brand *,
.navbar .dropdown-item * {
  color: inherit !important;
}

.navbar .nav-link:hover,
.navbar .navbar-brand:hover {
  color: var(--cp-gold) !important;
}

.navbar .dropdown-menu {
  z-index: 1031;
}

/* ===== Hero ===== */
.jumbotron {
  position: relative;
  overflow: hidden;
  background-image:
    linear-gradient(135deg, rgba(157,99,255,0.24), rgba(242,201,76,0.12)),
    var(--cp-banner-img),
    linear-gradient(180deg, var(--cp-panel-2), var(--cp-panel)) !important;
  background-size: auto, cover, auto !important;
  background-position: center, center, center !important;
  background-repeat: no-repeat, no-repeat, no-repeat !important;
}

.jumbotron::before {
  content: "";
  position: absolute;
  inset: 0;
  pointer-events: none;
  opacity: 0.08;
  background-image:
    radial-gradient(circle, rgba(255,255,255,0.12) 1px, transparent 1px);
  background-size: 10px 10px;
}

.jumbotron::after {
  content: "";
  position: absolute;
  inset: 0;
  pointer-events: none;
  box-shadow: inset 0 0 0 3px rgba(255,255,255,0.03);
}

.jumbotron p,
.jumbotron .lead {
  color: var(--cp-text) !important;
  font-weight: 700;
}

.jumbotron h1,
.jumbotron h2,
.jumbotron h3,
.jumbotron h4,
.jumbotron h5,
.jumbotron h6,
.jumbotron p,
.jumbotron .lead,
.jumbotron small,
.jumbotron span,
.jumbotron strong,
.jumbotron b,
.jumbotron .badge,
.jumbotron a:not(.btn) {
  filter: drop-shadow(0 4px 10px rgba(13,10,20,0.34));
}

.jumbotron a:not(.btn) {
  text-shadow:
    0 2px 0 rgba(13,10,20,0.22),
    0 0 12px rgba(13,10,20,0.18);
}

.jumbotron a .fa-external-link-alt {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-width: 3.2rem;
  min-height: 3.2rem;
  padding: 0.55rem !important;
  background: linear-gradient(180deg, rgba(194, 147, 255, 0.26), rgba(79, 221, 87, 0.18)) !important;
  color: var(--cp-text) !important;
  border: var(--cp-outline-thin) !important;
  border-radius: 3px !important;
  box-shadow: var(--cp-shadow) !important;
  text-shadow: none !important;
}

.jumbotron a:hover .fa-external-link-alt,
.jumbotron a:focus .fa-external-link-alt {
  color: var(--cp-gold) !important;
  box-shadow: var(--cp-shadow-strong), var(--cp-glow) !important;
}

.jumbotron .cv-hero-stat,
.jumbotron .cv-hero-stat small {
  color: #f2c94c !important;
}

/* ===== Cards / panels ===== */
.card,
.challenge-window,
.list-group-item,
.modal-content,
pre,
code.block,
.table {
  position: relative;
  background:
    linear-gradient(180deg, var(--cp-panel-2), var(--cp-panel)) !important;
  color: var(--cp-text) !important;
}

.card::before,
.challenge-window::before,
.modal-content::before {
  content: "";
  position: absolute;
  inset: 0;
  pointer-events: none;
  border-radius: 0;
  opacity: 0.08;
  background:
    linear-gradient(135deg, rgba(242,201,76,0.14), transparent 24%),
    linear-gradient(315deg, rgba(157,99,255,0.14), transparent 30%);
}

/* Inner "ink line" */
.card::after,
.challenge-window::after,
.modal-content::after {
  content: "";
  position: absolute;
  inset: 6px;
  pointer-events: none;
  border: 2px solid rgba(255,255,255,0.04);
  border-radius: 0;
}

/* ===== Challenge tiles ===== */
.challenge-button,
.challenge-button .card {
  background:
    linear-gradient(180deg, var(--cp-panel-2), var(--cp-panel)) !important;
  color: var(--cp-text) !important;
  border: var(--cp-outline) !important;
  border-radius: 2px !important;
  box-shadow: var(--cp-shadow) !important;
  transition: transform 0.14s ease, box-shadow 0.14s ease;
}

.challenge-button p,
.challenge-button span,
.challenge-button small {
  color: inherit !important;
}

.challenge-button.challenge-solved {
  background: linear-gradient(180deg, #7df283 0%, #4fdd57 48%, #29c830 100%) !important;
  color: #161022 !important;
  border-color: #161022 !important;
  text-shadow: none !important;
}

.challenge-button.challenge-solved:hover,
.challenge-button.challenge-solved:focus {
  background: linear-gradient(180deg, #92f697 0%, #63e56b 48%, #37d63e 100%) !important;
  color: #161022 !important;
}

.challenge-button:hover,
.challenge-button .card:hover,
.card:hover {
  transform: translate(-2px, -2px);
  box-shadow: var(--cp-shadow-strong), var(--cp-glow) !important;
}

/* ===== Tabs ===== */
.nav-tabs {
  border-bottom: var(--cp-outline) !important;
}

.nav-tabs .nav-link {
  background: var(--cp-tab-bg) !important;
  color: var(--cp-tab-text) !important;
  border: var(--cp-outline) !important;
  border-bottom: none !important;
  border-radius: 2px 2px 0 0 !important;
  font-weight: 900 !important;
  text-transform: uppercase;
  margin-right: 4px;
  box-shadow: 3px 0 0 rgba(13,10,20,0.08);
}

.nav-tabs .nav-link.active,
.nav-tabs .nav-link:hover {
  background: var(--cp-tab-active-bg) !important;
  color: var(--cp-tab-active-text) !important;
}

.nav-pills {
  gap: 0.55rem;
}

.nav-pills .nav-link {
  background: var(--cp-tab-bg) !important;
  color: var(--cp-tab-text) !important;
  border: var(--cp-outline) !important;
  border-radius: 2px !important;
  font-weight: 900 !important;
  text-transform: uppercase;
  box-shadow: 3px 3px 0 rgba(13,10,20,0.08);
}

.nav-pills .nav-link.active,
.nav-pills .show > .nav-link,
.nav-pills .nav-link:hover,
.nav-pills .nav-link:focus {
  background: var(--cp-tab-active-bg) !important;
  color: var(--cp-tab-active-text) !important;
  transform: translate(-1px, -1px);
  box-shadow: 5px 5px 0 rgba(13,10,20,0.12), var(--cp-glow) !important;
}

/* ===== Tables ===== */
.table {
  overflow: visible;
  border-collapse: separate;
  border-spacing: 0;
}

.table th,
.table td {
  border-color: rgba(242, 201, 76, 0.12) !important;
  color: var(--cp-text) !important;
  background-clip: padding-box;
}

.table thead th {
  background: var(--cp-table-head-bg) !important;
  color: var(--cp-table-head-text) !important;
  border-bottom: var(--cp-outline) !important;
  font-weight: 900 !important;
  text-transform: uppercase;
}

.table thead th:first-child {
  border-top-left-radius: 1px;
}

.table thead th:last-child {
  border-top-right-radius: 1px;
}

.table tbody tr:last-child td:first-child {
  border-bottom-left-radius: 1px;
}

.table tbody tr:last-child td:last-child {
  border-bottom-right-radius: 1px;
}

/* ===== Buttons ===== */
.btn,
button {
  border-radius: 2px !important;
  font-weight: 900 !important;
  text-transform: uppercase;
  letter-spacing: 0.04em;
  transition: transform 0.12s ease, box-shadow 0.12s ease;
  box-shadow: 4px 4px 0 rgba(13,10,20,0.16);
}

.btn *,
button * {
  color: inherit !important;
}

.btn-primary,
.btn-success {
  background: var(--cp-btn-primary-bg) !important;
  color: var(--cp-btn-primary-text) !important;
  border: var(--cp-outline) !important;
  text-shadow:
    -1px -1px 0 rgba(13,10,20,0.18),
     1px -1px 0 rgba(13,10,20,0.18),
    -1px  1px 0 rgba(13,10,20,0.18),
     1px  1px 0 rgba(13,10,20,0.18);
}

.btn-primary:hover,
.btn-success:hover,
.btn-primary:focus,
.btn-success:focus {
  transform: translate(-1px, -1px);
  box-shadow: 5px 5px 0 rgba(13,10,20,0.18), var(--cp-glow);
}

.btn-outline-success {
  background: var(--cp-btn-success-bg) !important;
  color: var(--cp-btn-success-text) !important;
  border: var(--cp-outline) !important;
  text-shadow: none !important;
}

.btn-outline-success:hover,
.btn-outline-success:focus,
.btn-outline-success.active,
.btn-outline-success:active,
.btn-check:checked + .btn-outline-success {
  background: var(--cp-btn-success-bg-hover) !important;
  color: var(--cp-btn-success-text) !important;
  border: var(--cp-outline) !important;
  text-shadow: none !important;
  transform: translate(-1px, -1px);
  box-shadow: 5px 5px 0 rgba(13,10,20,0.18), var(--cp-glow);
}

.btn-secondary,
.btn-outline-secondary,
.btn-light {
  background: var(--cp-btn-secondary-bg) !important;
  color: var(--cp-btn-secondary-text) !important;
  border: var(--cp-outline) !important;
  text-shadow: none !important;
}

.btn-secondary:hover,
.btn-outline-secondary:hover,
.btn-light:hover {
  transform: translate(-1px, -1px);
  box-shadow: 5px 5px 0 rgba(13,10,20,0.18);
}

/* ===== Inputs ===== */
.form-control,
.form-select,
.custom-select,
input:not([type="checkbox"]):not([type="radio"]),
textarea,
select {
  background-color: var(--cp-input-bg) !important;
  color: var(--cp-input-text) !important;
  border: var(--cp-outline-thin) !important;
  border-radius: 2px !important;
  box-shadow:
    inset 2px 2px 0 rgba(13,10,20,0.05),
    inset -2px -2px 0 rgba(255,255,255,0.03);
}

.form-control::placeholder,
input::placeholder,
textarea::placeholder {
  color: var(--cp-input-placeholder) !important;
}

.form-control:focus,
input:not([type="checkbox"]):not([type="radio"]):focus,
textarea:focus,
select:focus {
  background-color: var(--cp-input-bg) !important;
  color: var(--cp-input-text) !important;
  border-color: var(--cp-gold) !important;
  box-shadow:
    0 0 0 4px rgba(157, 99, 255, 0.10),
    inset 2px 2px 0 rgba(13,10,20,0.05) !important;
}

.form-select,
.custom-select {
  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='%23f2c94c' stroke-linecap='round' stroke-linejoin='round' stroke-width='2' d='m2 5 6 6 6-6'/%3E%3C/svg%3E") !important;
  background-position: right 0.85rem center !important;
  background-repeat: no-repeat !important;
  background-size: 1rem auto !important;
  padding-right: 2.8rem !important;
}

.form-select:focus,
.custom-select:focus {
  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='%23ffe08a' stroke-linecap='round' stroke-linejoin='round' stroke-width='2' d='m2 5 6 6 6-6'/%3E%3C/svg%3E") !important;
  background-position: right 0.85rem center !important;
  background-repeat: no-repeat !important;
  background-size: 1rem auto !important;
}

.form-check-input[type="checkbox"] {
  -moz-appearance: none;
  -webkit-appearance: none;
  appearance: none;
  width: 1.75rem;
  height: 1.75rem;
  border: 3px solid var(--cp-gold) !important;
  border-radius: 0.35rem !important;
  background-color: rgba(255, 255, 255, 0.1) !important;
  background-image: none !important;
  background-position: center !important;
  background-repeat: no-repeat !important;
  background-size: 1rem 1rem !important;
  box-shadow:
    inset 0 0 0 2px rgba(13, 10, 20, 0.18),
    2px 2px 0 rgba(13, 10, 20, 0.18) !important;
  cursor: pointer;
  accent-color: var(--cp-gold);
  transition:
    background-color 0.14s ease,
    border-color 0.14s ease,
    box-shadow 0.14s ease,
    transform 0.14s ease;
}

.form-check-input[type="checkbox"]:hover {
  border-color: var(--cp-gold-2) !important;
  transform: translate(-1px, -1px);
}

.form-check-input[type="checkbox"]:checked {
  background-color: var(--cp-gold) !important;
  border-color: var(--cp-gold-2) !important;
  background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 16 16'%3E%3Cpath d='M3.25 8.5 6.4 11.6 12.75 4.9' fill='none' stroke='%230d0a14' stroke-linecap='round' stroke-linejoin='round' stroke-width='2.5'/%3E%3C/svg%3E") !important;
}

.form-check-input[type="checkbox"]:focus,
.form-check-input[type="checkbox"]:focus-visible {
  border-color: var(--cp-gold-2) !important;
  box-shadow:
    0 0 0 4px rgba(242, 201, 76, 0.24),
    inset 0 0 0 2px rgba(13, 10, 20, 0.18),
    2px 2px 0 rgba(13, 10, 20, 0.18) !important;
  outline: none !important;
}

.form-check-label > .form-check-input[type="checkbox"] {
  margin-right: 0.65rem;
}

.form-check > .form-check-input[type="checkbox"] {
  margin-right: 0.65rem;
}

html[data-bs-theme="light"] .form-check-input[type="checkbox"]:not(:checked),
body[data-bs-theme="light"] .form-check-input[type="checkbox"]:not(:checked),
html[data-theme="light"] .form-check-input[type="checkbox"]:not(:checked),
body[data-theme="light"] .form-check-input[type="checkbox"]:not(:checked) {
  background-color: #fffdf7 !important;
  box-shadow:
    inset 0 0 0 2px rgba(23, 17, 34, 0.08),
    2px 2px 0 rgba(23, 17, 34, 0.12) !important;
}

/* ===== Theme toggle ===== */
/* Force theme toggle to black on gold */
#theme-switch,
.theme-switch,
.navbar #theme-switch,
.navbar .theme-switch,
.navbar button[aria-label*="theme" i],
.navbar button[title*="theme" i],
.navbar .nav-link#theme-switch,
.navbar .nav-link.theme-switch {
  background: linear-gradient(180deg, #fff0b0 0%, #f2c94c 55%, #d9a91e 100%) !important;
  color: #111111 !important;
  border: 3px solid #111111 !important;
  border-radius: 2px !important;
  font-weight: 900 !important;
  text-shadow: none !important;
  -webkit-text-fill-color: #111111 !important;
  opacity: 1 !important;
  box-shadow: 3px 3px 0 rgba(13,10,20,0.14);
}

/* Force all text/icon children inside the toggle button to black */
#theme-switch *,
.theme-switch *,
.navbar #theme-switch *,
.navbar .theme-switch *,
.navbar button[aria-label*="theme" i] *,
.navbar button[title*="theme" i] * {
  color: #111111 !important;
  fill: #111111 !important;
  stroke: #111111 !important;
  text-shadow: none !important;
  -webkit-text-fill-color: #111111 !important;
}

/* Keep hover/focus readable too */
#theme-switch:hover,
#theme-switch:focus,
.theme-switch:hover,
.theme-switch:focus,
.navbar button[aria-label*="theme" i]:hover,
.navbar button[aria-label*="theme" i]:focus,
.navbar button[title*="theme" i]:hover,
.navbar button[title*="theme" i]:focus {
  background: linear-gradient(180deg, #fff4c7 0%, #f2c94c 55%, #dfb22e 100%) !important;
  color: #111111 !important;
  border-color: #111111 !important;
}

/* Theme dropdown items for selector menu */
.dropdown-item[data-bs-theme-value],
.dropdown-item[data-theme],
button[data-bs-theme-value],
button[data-theme] {
  background: transparent !important;
  color: var(--cp-text) !important;
  border: none !important;
  border-radius: 0 !important;
  text-shadow: none !important;
  -webkit-text-fill-color: currentColor !important;
}

.dropdown-item[data-bs-theme-value]:hover,
.dropdown-item[data-theme]:hover,
button[data-bs-theme-value]:hover,
button[data-theme]:hover {
  background: rgba(157, 99, 255, 0.10) !important;
  color: var(--cp-text) !important;
}

.navbar .dropdown-item.bg-primary,
.navbar .dropdown-item.bg-primary:hover,
.navbar .dropdown-item.bg-primary:focus {
  background: var(--cp-btn-primary-bg) !important;
  color: #ffffff !important;
}

.navbar .dropdown-item.text-white {
  color: #ffffff !important;
}

/* Explicit dark mode trigger safety */
html[data-bs-theme="dark"] #theme-switch,
html[data-bs-theme="dark"] .theme-switch,
html[data-theme="dark"] #theme-switch,
html[data-theme="dark"] .theme-switch {
  background: linear-gradient(180deg, #fff0b0 0%, #f2c94c 55%, #d9a91e 100%) !important;
  color: #111111 !important;
  border-color: #111111 !important;
  -webkit-text-fill-color: #111111 !important;
}

/* ===== Modal visual only ===== */
.modal-content {
  background:
    linear-gradient(180deg, var(--cp-panel-2), var(--cp-panel)) !important;
  box-shadow: var(--cp-shadow-strong), var(--cp-glow) !important;
}

.modal-header,
.modal-footer {
  border-color: rgba(242, 201, 76, 0.14) !important;
}

.modal-body,
.modal-header,
.modal-footer {
  color: var(--cp-text) !important;
}

.btn-close {
  opacity: 1 !important;
  background-color: var(--cp-close-bg) !important;
  border: var(--cp-outline-thin) !important;
  border-radius: 2px !important;
  box-shadow: 2px 2px 0 rgba(13,10,20,0.14);
  padding: 0.55rem !important;
  text-transform: none !important;
  letter-spacing: normal !important;
  background-position: center !important;
  background-size: 1rem auto !important;
}

.btn-close:hover,
.btn-close:focus {
  background-color: var(--cp-gold-2) !important;
  border-color: var(--cp-ink) !important;
  transform: translate(-1px, -1px);
  box-shadow: 3px 3px 0 rgba(13,10,20,0.16), var(--cp-glow) !important;
}

.btn-close:focus {
  outline: none !important;
}

.modal .close {
  opacity: 1 !important;
  color: var(--cp-close-text) !important;
  background: var(--cp-close-bg) !important;
  border: var(--cp-outline-thin) !important;
  border-radius: 2px !important;
  padding: 0.08rem 0.45rem !important;
  line-height: 1 !important;
  font-size: 1.4rem !important;
}

/* ===== Pagination / badges / alerts ===== */
.page-link {
  background: var(--cp-panel) !important;
  color: var(--cp-text) !important;
  border: var(--cp-outline-thin) !important;
  border-radius: 2px !important;
  font-weight: 900 !important;
  box-shadow: 2px 2px 0 rgba(13,10,20,0.10);
}

.page-link * {
  color: inherit !important;
}

.page-item.active .page-link {
  background: var(--cp-btn-primary-bg) !important;
  color: var(--cp-btn-primary-text) !important;
}

.badge,
.alert {
  border-radius: 2px !important;
  font-weight: 900 !important;
}

.badge *,
.alert * {
  color: inherit !important;
}

.badge.bg-primary,
.badge.bg-secondary,
.badge.bg-danger {
  color: #ffffff !important;
}

.badge.bg-info,
.badge.bg-warning,
.badge.bg-success,
.badge.text-bg-light {
  color: #161022 !important;
  text-shadow: none !important;
}

.alert {
  background: var(--bs-alert-bg, var(--cp-panel-2)) !important;
  color: var(--bs-alert-color, #161022) !important;
  border-color: var(--bs-alert-border-color, var(--cp-ink)) !important;
  text-shadow: none !important;
}

.alert a,
.alert .btn-link {
  color: inherit !important;
}

.alert-success {
  --bs-alert-bg: var(--cp-alert-success-bg) !important;
  --bs-alert-color: var(--cp-alert-success-text) !important;
  --bs-alert-border-color: var(--cp-alert-success-border) !important;
  --bs-alert-link-color: var(--cp-alert-success-text) !important;
  --cp-input-bg: rgba(255, 255, 255, 0.94) !important;
  --cp-input-text: #161022 !important;
  --cp-input-placeholder: rgba(22, 16, 34, 0.62) !important;
}

.alert-info {
  --bs-alert-bg: var(--cp-alert-info-bg) !important;
  --bs-alert-color: var(--cp-alert-info-text) !important;
  --bs-alert-border-color: var(--cp-alert-info-border) !important;
  --bs-alert-link-color: var(--cp-alert-info-text) !important;
  --cp-input-bg: rgba(255, 255, 255, 0.94) !important;
  --cp-input-text: #161022 !important;
  --cp-input-placeholder: rgba(22, 16, 34, 0.62) !important;
}

.alert-warning {
  --bs-alert-bg: var(--cp-alert-warning-bg) !important;
  --bs-alert-color: var(--cp-alert-warning-text) !important;
  --bs-alert-border-color: var(--cp-alert-warning-border) !important;
  --bs-alert-link-color: var(--cp-alert-warning-text) !important;
}

.alert-danger {
  --bs-alert-bg: var(--cp-alert-danger-bg) !important;
  --bs-alert-color: var(--cp-alert-danger-text) !important;
  --bs-alert-border-color: var(--cp-alert-danger-border) !important;
  --bs-alert-link-color: var(--cp-alert-danger-text) !important;
}

/* ===== Footer ===== */
footer {
  background: linear-gradient(90deg, var(--cp-panel), var(--cp-panel-2)) !important;
  border-top: var(--cp-outline) !important;
  color: var(--cp-muted) !important;
}

.footer {
  position: relative !important;
  bottom: auto !important;
  width: 100%;
  height: auto !important;
  line-height: normal !important;
  flex-shrink: 0;
  z-index: 1 !important;
  pointer-events: auto !important;
}

footer a {
  color: var(--cp-link) !important;
}

footer .container {
  padding-top: 1rem;
  padding-bottom: 1rem;
}

/* ===== Mobile ===== */
@media (max-width: 768px) {
  .jumbotron,
  .card,
  .challenge-window,
  .modal-content,
  .table,
  .list-group-item {
    border-radius: 2px !important;
  }

  .btn,
  button,
  .form-control,
  input:not([type="checkbox"]):not([type="radio"]),
  textarea,
  select,
  .page-link {
    border-radius: 1px !important;
  }
}