/* CyberKonkurrence 2026: Cyberskills-inspired brand overlay.
   Palette from cyberskills.dk/cyber-konkurrence: navy, cyan, purple accent
   Fonts are loaded from base.html (not @import) to avoid FOUC/layout shift. */

:root {
  --ck-navy: #0a0a2e;
  --ck-deep: #00004c;
  --ck-cyan: #12e5cc;
  --ck-cyan-dim: #0bb8a4;
  --ck-purple: #b44cff;
  --ck-blue: #1e73be;
  --ck-ink: #e8eef7;
  --ck-muted: #9aa8bc;
  --ck-surface: #12122a;
  --ck-card: #1a1a3a;
  --ck-glow: rgba(18, 229, 204, 0.35);
}

html {
  color-scheme: dark;
  min-height: 100%;
}

body {
  background:
    radial-gradient(1200px 600px at 10% -10%, rgba(18, 229, 204, 0.12), transparent 55%),
    radial-gradient(900px 500px at 100% 0%, rgba(180, 76, 255, 0.1), transparent 50%),
    linear-gradient(180deg, var(--ck-navy) 0%, var(--ck-deep) 45%, #050514 100%) !important;
  background-attachment: fixed !important;
  color: var(--ck-ink) !important;
  font-family: "Ubuntu", "Lato", sans-serif !important;
  min-height: 100vh;
  display: flex;
  flex-direction: column;
  margin: 0;
}

main {
  flex: 1 0 auto;
  margin-bottom: 0 !important;
  /* Clear fixed navbar (can wrap to ~2 rows with legal links) */
  padding-top: 7rem;
}

h1,
h2,
h3,
.jumbotron h1,
.category-header h3 {
  font-family: "Ubuntu Mono", "Ubuntu", monospace !important;
  letter-spacing: 0.04em;
  text-transform: uppercase;
}

a {
  color: var(--ck-cyan);
}

a:hover {
  color: #7ff7ea;
}

/* Navbar */
.navbar.bg-dark,
.navbar.navbar-dark {
  background: rgba(10, 10, 46, 0.92) !important;
  border-bottom: 1px solid rgba(18, 229, 204, 0.25);
  backdrop-filter: blur(8px);
}

.navbar-brand,
.navbar-brand.ck-brand {
  font-family: "Ubuntu Mono", monospace !important;
  font-weight: 700;
  color: var(--ck-cyan) !important;
  letter-spacing: 0.06em;
  display: flex !important;
  flex-direction: column !important;
  flex-wrap: nowrap !important;
  align-items: flex-start !important;
  justify-content: center !important;
  line-height: 1.1;
  margin-right: 1rem;
  padding-top: 0.35rem;
  padding-bottom: 0.35rem;
  white-space: normal !important;
}

.navbar-brand .ctf_logo {
  display: block !important;
  height: 28px;
  width: auto;
  max-width: 160px;
  object-fit: contain;
  filter: drop-shadow(0 0 8px rgba(18, 229, 204, 0.25));
}

.navbar-brand-text {
  display: block !important;
  margin-top: 0.35rem !important;
  font-size: 0.78rem;
  letter-spacing: 0.04em;
  white-space: nowrap;
}

.nav-link {
  color: var(--ck-ink) !important;
}

.nav-link:hover,
.nav-link:focus {
  color: var(--ck-cyan) !important;
}

/* Keep desktop nav on one line: smaller type + tighter padding */
@media (min-width: 768px) {
  .navbar > .container {
    flex-wrap: nowrap;
  }

  .navbar-collapse {
    flex-wrap: nowrap !important;
  }

  .navbar-nav {
    flex-wrap: nowrap !important;
    align-items: center;
    --bs-nav-link-padding-x: 0.4rem;
    --bs-nav-link-padding-y: 0.3rem;
  }

  .navbar .nav-link {
    font-family: Ubuntu, Lato, sans-serif !important;
    font-size: 0.78rem !important;
    font-weight: 500;
    letter-spacing: 0 !important;
    text-transform: none !important;
    padding: 0.3rem 0.4rem !important;
    white-space: nowrap;
    line-height: 1.2;
  }

  .navbar .nav-link .fas,
  .navbar .nav-link .fa {
    font-size: 0.75em;
  }

  /* Icon-only on medium widths to free horizontal space */
  @media (max-width: 1199.98px) {
    .navbar .nav-link .fas,
    .navbar .nav-link .fa {
      margin-right: 0 !important;
      padding-right: 0 !important;
    }

    .navbar .ms-md-auto .nav-link .d-sm-inline,
    .navbar .ms-md-auto .nav-link .d-lg-inline {
      font-size: 0.72rem;
    }
  }

  .navbar-brand .ctf_logo {
    height: 28px;
    max-width: 160px;
  }

  .navbar-brand-text {
    font-size: 0.78rem !important;
    margin-top: 0.35rem !important;
  }

  main {
    padding-top: 5rem;
  }
}

/* Hero / jumbotron : minimal cyberpunk */
.jumbotron {
  --ck-grid: rgba(18, 229, 204, 0.06);
  background-color: #07071a !important;
  background-image:
    linear-gradient(var(--ck-grid) 1px, transparent 1px),
    linear-gradient(90deg, var(--ck-grid) 1px, transparent 1px),
    radial-gradient(ellipse 80% 60% at 50% 0%, rgba(18, 229, 204, 0.12), transparent 55%),
    linear-gradient(180deg, #0a0a2e 0%, #050514 100%) !important;
  background-size: 48px 48px, 48px 48px, 100% 100%, 100% 100%;
  border-bottom: none !important;
  color: #fff !important;
  position: relative;
  overflow: hidden;
  padding-top: 2.75rem !important;
  padding-bottom: 2.75rem !important;
}

.jumbotron::before {
  content: "";
  position: absolute;
  inset: 0;
  background: repeating-linear-gradient(
    0deg,
    transparent,
    transparent 2px,
    rgba(0, 0, 0, 0.12) 2px,
    rgba(0, 0, 0, 0.12) 4px
  );
  pointer-events: none;
  opacity: 0.45;
}

/* Kill the old 14px blocky strip from main.*.css; glow like challenge modal top */
.jumbotron::after {
  content: "" !important;
  position: absolute !important;
  left: 0 !important;
  right: 0 !important;
  bottom: 0 !important;
  height: 2px !important;
  opacity: 1 !important;
  background: linear-gradient(
    90deg,
    transparent 0%,
    var(--ck-cyan) 12%,
    var(--ck-purple) 28%,
    var(--ck-cyan) 50%,
    var(--ck-purple) 72%,
    var(--ck-cyan) 88%,
    transparent 100%
  ) !important;
  background-size: 220% 100% !important;
  box-shadow:
    0 0 10px rgba(18, 229, 204, 0.55),
    0 0 22px rgba(180, 76, 255, 0.35),
    0 -2px 14px rgba(18, 229, 204, 0.2) !important;
  animation: ck-edge-glow 7s linear infinite !important;
}

@keyframes ck-edge-glow {
  0% {
    background-position: 0% 50%;
  }
  100% {
    background-position: 200% 50%;
  }
}

.jumbotron .container {
  position: relative;
  z-index: 1;
}

.jumbotron h1 {
  font-family: "Ubuntu Mono", monospace !important;
  font-weight: 700;
  letter-spacing: 0.18em;
  text-transform: uppercase;
  font-size: clamp(1.6rem, 3.5vw, 2.25rem);
  margin: 0;
  text-shadow: 0 0 18px rgba(18, 229, 204, 0.25);
}

.jumbotron .ck-eyebrow {
  font-family: "Ubuntu Mono", monospace;
  color: var(--ck-cyan);
  font-size: 0.78rem;
  letter-spacing: 0.28em;
  text-transform: uppercase;
  margin-bottom: 0.65rem;
  opacity: 0.9;
}

.jumbotron .ck-eyebrow::before {
  content: "// ";
  color: var(--ck-purple);
  letter-spacing: 0.08em;
}

.jumbotron .ck-accent {
  display: block;
  width: 48px;
  height: 2px;
  background: var(--ck-cyan);
  margin: 1rem auto 0;
  box-shadow: 0 0 10px var(--ck-glow);
}

/* Cards / forms / tables */
.card,
.modal-content {
  background: var(--ck-card) !important;
  border: 1px solid rgba(18, 229, 204, 0.2) !important;
  color: var(--ck-ink) !important;
  box-shadow: 0 0 24px rgba(0, 0, 0, 0.35);
}

.form-control,
.form-select,
input.form-control,
textarea.form-control {
  background: var(--ck-surface) !important;
  border: 1px solid rgba(18, 229, 204, 0.35) !important;
  color: var(--ck-ink) !important;
}

.form-control:focus {
  border-color: var(--ck-cyan) !important;
  box-shadow: 0 0 0 0.2rem var(--ck-glow) !important;
}

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

.table {
  --bs-table-bg: transparent;
  --bs-table-striped-bg: rgba(18, 229, 204, 0.06);
  --bs-table-color: var(--ck-ink);
  --bs-table-striped-color: var(--ck-ink);
  --bs-table-hover-bg: rgba(180, 76, 255, 0.08);
  color: var(--ck-ink);
}

.table > :not(caption) > * > * {
  border-bottom-color: rgba(18, 229, 204, 0.15);
}

/* Buttons */
.btn-primary {
  --bs-btn-bg: var(--ck-cyan-dim);
  --bs-btn-border-color: var(--ck-cyan);
  --bs-btn-hover-bg: var(--ck-cyan);
  --bs-btn-hover-border-color: var(--ck-cyan);
  --bs-btn-color: #041416;
  --bs-btn-hover-color: #041416;
  font-family: "Ubuntu Mono", monospace;
  font-weight: 700;
  letter-spacing: 0.04em;
  text-transform: uppercase;
}

.btn-secondary,
.btn-dark {
  --bs-btn-bg: var(--ck-card);
  --bs-btn-border-color: rgba(18, 229, 204, 0.4);
  --bs-btn-color: var(--ck-ink);
  --bs-btn-hover-bg: #22224a;
  --bs-btn-hover-border-color: var(--ck-cyan);
  --bs-btn-hover-color: #fff;
}

/* Challenges */
.challenge-button {
  background: linear-gradient(160deg, #1a1a3a, #0f0f28) !important;
  border: 1px solid rgba(18, 229, 204, 0.35) !important;
  color: var(--ck-ink) !important;
  box-shadow: 0 0 0 rgba(18, 229, 204, 0);
  transition: transform 0.15s ease, box-shadow 0.15s ease, border-color 0.15s ease;
}

.challenge-button:hover {
  transform: translateY(-2px);
  border-color: var(--ck-cyan) !important;
  box-shadow: 0 0 18px var(--ck-glow);
}

.challenge-button.challenge-solved {
  border-color: var(--ck-purple) !important;
  background: linear-gradient(160deg, #2a1840, #12122a) !important;
}

/* Challenge modal — subtle glow, minimal */
#challenge-window .modal-content {
  background: linear-gradient(165deg, #12122c 0%, #0a0a1c 100%) !important;
  border: 1px solid rgba(18, 229, 204, 0.35) !important;
  border-radius: 0 !important;
  box-shadow:
    0 0 0 1px rgba(180, 76, 255, 0.12),
    0 0 28px rgba(18, 229, 204, 0.12),
    0 16px 48px rgba(0, 0, 0, 0.55) !important;
  color: var(--ck-ink) !important;
  position: relative;
  overflow: hidden;
}

#challenge-window .modal-content::before {
  content: "";
  position: absolute;
  inset: 0;
  pointer-events: none;
  background:
    linear-gradient(180deg, rgba(18, 229, 204, 0.06), transparent 28%),
    repeating-linear-gradient(
      0deg,
      transparent,
      transparent 3px,
      rgba(0, 0, 0, 0.08) 3px,
      rgba(0, 0, 0, 0.08) 6px
    );
  opacity: 0.7;
}

#challenge-window .modal-content::after {
  content: "";
  position: absolute;
  left: 0;
  right: 0;
  top: 0;
  height: 1px;
  background: linear-gradient(
    90deg,
    transparent,
    var(--ck-cyan) 40%,
    var(--ck-purple) 60%,
    transparent
  );
  box-shadow: 0 0 10px rgba(18, 229, 204, 0.5);
}

#challenge-window .modal-body {
  position: relative;
  z-index: 1;
}

#challenge-window .btn-close {
  filter: invert(1) brightness(1.4);
  opacity: 0.7;
  box-shadow: 0 0 8px rgba(18, 229, 204, 0.2);
}

#challenge-window .btn-close:hover {
  opacity: 1;
}

#challenge-window .nav-tabs {
  border-bottom: 1px solid rgba(18, 229, 204, 0.2);
}

#challenge-window .nav-tabs .nav-link {
  color: var(--ck-muted) !important;
  border: none !important;
  border-radius: 0;
  font-family: "Ubuntu Mono", monospace;
  font-size: 0.85rem;
  letter-spacing: 0.06em;
  text-transform: uppercase;
  background: transparent !important;
}

#challenge-window .nav-tabs .nav-link:hover {
  color: var(--ck-cyan) !important;
}

#challenge-window .nav-tabs .nav-link.active {
  color: var(--ck-cyan) !important;
  background: transparent !important;
  box-shadow: inset 0 -2px 0 var(--ck-cyan);
  text-shadow: 0 0 10px rgba(18, 229, 204, 0.35);
}

#challenge-window .challenge-name {
  font-family: "Ubuntu Mono", monospace !important;
  letter-spacing: 0.12em;
  text-shadow: 0 0 16px rgba(18, 229, 204, 0.2);
}

#challenge-window .challenge-value {
  color: var(--ck-cyan);
  font-family: "Ubuntu Mono", monospace;
  text-shadow: 0 0 12px rgba(18, 229, 204, 0.3);
}

#challenge-window .challenge-input {
  background: rgba(7, 7, 26, 0.9) !important;
  border: 1px solid rgba(18, 229, 204, 0.4) !important;
  color: var(--ck-ink) !important;
  border-radius: 0 !important;
  box-shadow: inset 0 0 12px rgba(18, 229, 204, 0.05);
}

#challenge-window .challenge-input:focus {
  border-color: var(--ck-cyan) !important;
  box-shadow:
    0 0 0 1px rgba(18, 229, 204, 0.35),
    0 0 16px rgba(18, 229, 204, 0.2) !important;
}

#challenge-window .challenge-submit.btn-primary {
  border-radius: 0 !important;
  box-shadow: 0 0 14px rgba(18, 229, 204, 0.35);
  text-transform: uppercase;
  letter-spacing: 0.08em;
}

#challenge-window .challenge-submit.btn-primary:hover {
  box-shadow: 0 0 22px rgba(18, 229, 204, 0.55);
}

/* Home landing */
.ck-hero {
  padding: 4.5rem 0 3.5rem;
  text-align: center;
}

.ck-hero h1 {
  font-size: clamp(2rem, 5vw, 3.4rem);
  color: #fff;
  margin-bottom: 0.5rem;
}

.ck-hero p {
  max-width: 36rem;
  margin: 1rem auto 1.75rem;
  color: var(--ck-muted);
  font-size: 1.1rem;
}

.ck-cta-row {
  display: flex;
  gap: 0.75rem;
  justify-content: center;
  flex-wrap: wrap;
}

.ck-section {
  padding: 2.5rem 0;
}

.ck-section h2 {
  text-align: center;
  margin-bottom: 0.5rem;
}

.ck-section .ck-panel h2,
.ck-section .ck-panel h3 {
  text-align: start;
}

.ck-section .ck-accent {
  display: block;
  width: 48px;
  height: 2px;
  background: var(--ck-cyan);
  margin: 0 auto 1.25rem;
  box-shadow: 0 0 10px var(--ck-glow);
}

.ck-panel {
  background: rgba(26, 26, 58, 0.75);
  border: 1px solid rgba(18, 229, 204, 0.2);
  border-radius: 0;
  padding: 1.5rem;
  height: 100%;
}

.ck-panel h3 {
  color: var(--ck-cyan);
  font-size: 1.1rem;
  margin-bottom: 0.75rem;
}

/* Partner logos (dark marks need a light tile on this theme) */
.ck-logo-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(11rem, 1fr));
  gap: 1rem;
  margin-top: 1rem;
}

.ck-logo-tile {
  display: flex;
  align-items: center;
  justify-content: center;
  min-height: 5.5rem;
  padding: 1rem 1.25rem;
  background: #f4f7fb;
  border: 1px solid rgba(255, 255, 255, 0.2);
  border-radius: 0.35rem;
  text-decoration: none !important;
}

.ck-logo-tile:hover {
  background: #ffffff;
  border-color: rgba(18, 229, 204, 0.55);
}

.ck-logo-tile img {
  display: block;
  width: auto;
  max-width: 100%;
  max-height: 3.25rem;
  height: auto;
  object-fit: contain;
}

.ck-logo-tile--wide {
  margin-left: auto;
  margin-right: auto;
}

.ck-logo-tile--wide img {
  max-height: 2.75rem;
}

.ck-logo-caption {
  display: block;
  margin-top: 0.55rem;
  font-size: 0.8rem;
  color: var(--ck-muted);
  text-align: center;
}

.ck-badge {
  display: inline-block;
  font-family: "Ubuntu Mono", monospace;
  font-size: 0.75rem;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--ck-navy);
  background: var(--ck-cyan);
  padding: 0.2rem 0.55rem;
  margin-bottom: 0.75rem;
}

/* Footer — sit in page flow (core sticky footer uses absolute + z-index:-20) */
.footer {
  position: static !important;
  bottom: auto !important;
  height: auto !important;
  line-height: normal !important;
  z-index: 1 !important;
  flex-shrink: 0;
  width: 100%;
  margin-top: auto;
  padding: 1.5rem 0 !important;
  border-top: 1px solid rgba(18, 229, 204, 0.18);
  background: transparent !important;
}

.footer .container {
  line-height: 1.5;
}

.footer a,
.footer .text-muted {
  color: var(--ck-muted) !important;
}

/* Soft motion */
@keyframes ck-pulse {
  0%,
  100% {
    opacity: 0.55;
  }
  50% {
    opacity: 1;
  }
}

.ck-hero .ck-accent {
  animation: ck-pulse 2.8s ease-in-out infinite;
}

.navbar-brand {
  transition: text-shadow 0.2s ease;
}

.navbar-brand:hover {
  text-shadow: 0 0 12px var(--ck-glow);
}