/*
  GGFI / Skóli CTFd theme
  Source of truth: brand.html CSS variables and JSON tokens.
  Principles: calm, capable, educational; no hacker clichés.
*/
:root,
html[data-bs-theme="light"],
html[data-theme="light"] {
  color-scheme: light;

  --ggfi-color-ink: #13201c;
  --ggfi-color-ink-muted: #52605a;
  --ggfi-color-paper: #f8f7f2;
  --ggfi-color-surface: #ffffff;
  --ggfi-color-mist: #eef1ec;
  --ggfi-color-border: #d8ded5;
  --ggfi-color-primary: #1f5c4d;
  --ggfi-color-primary-strong: #164338;
  --ggfi-color-primary-soft: #dcece6;
  --ggfi-color-accent: #2f6f8f;
  --ggfi-color-accent-soft: #dcebf1;
  --ggfi-color-warm: #c86b4a;
  --ggfi-color-warm-soft: #f2dfd7;
  --ggfi-color-gold: #d8b45f;
  --ggfi-color-success: #257a50;
  --ggfi-color-warning: #9b6a16;
  --ggfi-color-danger: #a34545;

  --ggfi-font-sans: Inter, ui-sans-serif, system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
  --ggfi-font-mono: "SFMono-Regular", Consolas, "Liberation Mono", Menlo, monospace;

  --ggfi-space-1: .25rem;
  --ggfi-space-2: .5rem;
  --ggfi-space-3: .75rem;
  --ggfi-space-4: 1rem;
  --ggfi-space-5: 1.5rem;
  --ggfi-space-6: 2rem;
  --ggfi-space-7: 3rem;
  --ggfi-space-8: 4.5rem;

  --ggfi-radius-sm: .45rem;
  --ggfi-radius-md: .8rem;
  --ggfi-radius-lg: 1.25rem;
  --ggfi-radius-xl: 1.75rem;

  --ggfi-shadow-sm: 0 1px 2px rgb(19 32 28 / .08);
  --ggfi-shadow-md: 0 12px 32px rgb(19 32 28 / .10);
  --ggfi-focus-ring: 0 0 0 3px rgb(47 111 143 / .28);

  --ggfi-content-width: 1120px;
  --ggfi-header-height: 4.5rem;
}

html[data-bs-theme="dark"],
html[data-theme="dark"] {
  color-scheme: dark;

  --ggfi-color-ink: #edf4ee;
  --ggfi-color-ink-muted: #b5c6be;
  --ggfi-color-paper: #0e1714;
  --ggfi-color-surface: #17231f;
  --ggfi-color-mist: #22332d;
  --ggfi-color-border: #31433b;
  --ggfi-color-primary: #8ed1b9;
  --ggfi-color-primary-strong: #bcebd9;
  --ggfi-color-primary-soft: #17362d;
  --ggfi-color-accent: #8cc9df;
  --ggfi-color-accent-soft: #183441;
  --ggfi-color-warm: #e29a7f;
  --ggfi-color-warm-soft: #43281f;
  --ggfi-color-gold: #e2c878;
  --ggfi-color-success: #76c99f;
  --ggfi-color-warning: #d6a34a;
  --ggfi-color-danger: #df8b8b;

  --ggfi-shadow-sm: 0 1px 2px rgb(0 0 0 / .28);
  --ggfi-shadow-md: 0 16px 38px rgb(0 0 0 / .34);
  --ggfi-focus-ring: 0 0 0 3px rgb(142 209 185 / .32);
}

html {
  scroll-behavior: smooth;
  background: var(--ggfi-color-paper);
}

body {
  color: var(--ggfi-color-ink);
  background:
    radial-gradient(circle at top left, color-mix(in srgb, var(--ggfi-color-primary-soft) 74%, transparent), transparent 32rem),
    linear-gradient(180deg, var(--ggfi-color-paper), color-mix(in srgb, var(--ggfi-color-paper) 84%, var(--ggfi-color-surface)) 42rem, var(--ggfi-color-paper));
  font-family: var(--ggfi-font-sans);
  line-height: 1.6;
}

html[data-bs-theme="dark"] body,
html[data-theme="dark"] body {
  background:
    radial-gradient(circle at top left, rgb(31 92 77 / .35), transparent 32rem),
    linear-gradient(180deg, var(--ggfi-color-paper), #111d19 42rem, var(--ggfi-color-paper));
}

body,
button,
input,
select,
textarea {
  font-family: var(--ggfi-font-sans);
}

code,
pre,
kbd,
samp {
  font-family: var(--ggfi-font-mono);
}

a {
  color: var(--ggfi-color-primary);
  text-decoration-thickness: .08em;
  text-underline-offset: .18em;
}

a:hover {
  color: var(--ggfi-color-primary-strong);
}

:focus-visible {
  outline: none !important;
  box-shadow: var(--ggfi-focus-ring) !important;
  border-radius: var(--ggfi-radius-sm);
}

.ggfi-skip-link {
  position: absolute;
  left: 1rem;
  top: 1rem;
  z-index: 2000;
  transform: translateY(-150%);
  padding: .7rem 1rem;
  border-radius: 999px;
  color: #fff;
  background: var(--ggfi-color-primary);
  font-weight: 740;
}

.ggfi-skip-link:focus {
  transform: translateY(0);
}

/* Navbar */
.skoli-navbar {
  min-height: var(--ggfi-header-height);
  background: color-mix(in srgb, var(--ggfi-color-paper) 84%, transparent) !important;
  border-bottom: 1px solid color-mix(in srgb, var(--ggfi-color-border) 78%, transparent);
  backdrop-filter: blur(18px);
}

html[data-bs-theme="dark"] .skoli-navbar,
html[data-theme="dark"] .skoli-navbar {
  background: rgb(14 23 20 / .84) !important;
  border-bottom-color: rgb(49 67 59 / .78);
}

.skoli-navbar .navbar-brand,
.skoli-navbar .nav-link,
.skoli-navbar .dropdown-item {
  letter-spacing: -0.01em;
}

.skoli-navbar .navbar-brand {
  display: inline-flex;
  align-items: center;
  gap: .75rem;
  color: var(--ggfi-color-ink) !important;
  font-weight: 730;
  letter-spacing: -.02em;
  text-decoration: none;
}

.skoli-navbar .skoli-brand-logo {
  width: 2.1rem;
  height: 2.1rem;
  display: block;
}

.skoli-navbar .nav-link {
  color: var(--ggfi-color-ink-muted) !important;
  border-radius: 999px;
  margin-inline: .05rem;
  padding-inline: .75rem !important;
  font-size: .92rem;
  font-weight: 650;
}

.skoli-navbar .nav-link:hover,
.skoli-navbar .nav-link:focus,
.skoli-navbar .nav-link[aria-current="page"] {
  color: var(--ggfi-color-ink) !important;
  background: var(--ggfi-color-mist);
}

.skoli-navbar .navbar-toggler {
  border-color: var(--ggfi-color-border);
  border-radius: var(--ggfi-radius-md);
}

.skoli-navbar .dropdown-menu {
  border-color: var(--ggfi-color-border);
  border-radius: var(--ggfi-radius-md);
  background: var(--ggfi-color-surface);
  box-shadow: var(--ggfi-shadow-md);
}

.skoli-navbar .dropdown-item {
  color: var(--ggfi-color-ink-muted);
}

.skoli-navbar .dropdown-item:hover,
.skoli-navbar .dropdown-item:focus {
  color: var(--ggfi-color-ink);
  background: var(--ggfi-color-mist);
}

/* Core CTFd pages */
.ggfi-index-page {
  max-width: var(--ggfi-content-width);
  margin: 0 auto var(--ggfi-space-8);
}

.ggfi-index-hero {
  max-width: 820px;
  margin: clamp(3rem, 9vw, 7rem) auto var(--ggfi-space-6);
  padding: clamp(2rem, 6vw, 4.5rem);
  text-align: center;
  border: 1px solid var(--ggfi-color-border);
  border-radius: var(--ggfi-radius-xl);
  background: color-mix(in srgb, var(--ggfi-color-surface) 88%, transparent);
  box-shadow: var(--ggfi-shadow-md);
}

.ggfi-index-mark {
  width: clamp(4rem, 10vw, 5.5rem);
  height: clamp(4rem, 10vw, 5.5rem);
  margin-bottom: var(--ggfi-space-4);
}

.ggfi-index-hero h1 {
  margin-bottom: var(--ggfi-space-4);
  font-size: clamp(2.5rem, 7vw, 5rem);
  font-weight: 780;
  letter-spacing: -.055em;
}

.ggfi-index-lead {
  max-width: 42rem;
  margin: 0 auto var(--ggfi-space-5);
  color: var(--ggfi-color-ink-muted);
  font-size: clamp(1.05rem, 2.3vw, 1.25rem);
}

.ggfi-index-grid {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: var(--ggfi-space-4);
}

.ggfi-index-card {
  padding: clamp(1.35rem, 3vw, 2rem);
  border: 1px solid var(--ggfi-color-border);
  border-radius: var(--ggfi-radius-lg);
  background: color-mix(in srgb, var(--ggfi-color-surface) 88%, transparent);
  box-shadow: var(--ggfi-shadow-sm);
}

.ggfi-index-card-wide {
  grid-column: 1 / -1;
}

.ggfi-index-card h2 {
  margin-bottom: var(--ggfi-space-3);
  font-size: clamp(1.25rem, 2.5vw, 1.65rem);
  font-weight: 760;
}

.ggfi-index-card p:last-child {
  margin-bottom: 0;
}

.ggfi-index-acknowledgement {
  display: grid;
  grid-template-columns: minmax(0, 1.2fr) minmax(18rem, .8fr);
  align-items: center;
  gap: var(--ggfi-space-5);
  margin-top: var(--ggfi-space-5);
  padding: clamp(1.35rem, 3vw, 2rem);
  border: 1px solid var(--ggfi-color-border);
  border-radius: var(--ggfi-radius-lg);
  background: color-mix(in srgb, var(--ggfi-color-surface) 90%, transparent);
  box-shadow: var(--ggfi-shadow-sm);
}

.ggfi-index-acknowledgement h2 {
  margin-bottom: var(--ggfi-space-2);
  font-size: clamp(1.1rem, 2vw, 1.35rem);
  font-weight: 760;
}

.ggfi-index-acknowledgement p {
  max-width: 46rem;
  margin-bottom: 0;
  color: var(--ggfi-color-ink-muted);
}

.ggfi-index-acknowledgement-logos {
  display: flex;
  align-items: center;
  justify-content: flex-end;
  gap: var(--ggfi-space-4);
  flex-wrap: wrap;
}

.ggfi-index-acknowledgement-logos img {
  max-width: min(12rem, 45%);
  max-height: 5.5rem;
  object-fit: contain;
}

.ggfi-index-acknowledgement-logos img[alt^="Fjármagnað"] {
  max-width: min(8rem, 38%);
  max-height: 7rem;
}

.ggfi-home-hero {
  max-width: 760px;
  margin: clamp(3rem, 9vw, 7rem) auto var(--ggfi-space-7);
  padding: clamp(2rem, 6vw, 4.5rem);
  text-align: center;
  border: 1px solid var(--ggfi-color-border);
  border-radius: var(--ggfi-radius-xl);
  background: color-mix(in srgb, var(--ggfi-color-surface) 86%, transparent);
  box-shadow: var(--ggfi-shadow-md);
}

.ggfi-home-mark {
  width: clamp(4rem, 10vw, 5.5rem);
  height: clamp(4rem, 10vw, 5.5rem);
  margin-bottom: var(--ggfi-space-4);
}

.ggfi-home-kicker {
  margin-bottom: var(--ggfi-space-2);
  color: var(--ggfi-color-warm);
  font-size: .78rem;
  font-weight: 820;
  letter-spacing: .14em;
  text-transform: uppercase;
}

.ggfi-home-hero h1 {
  margin-bottom: var(--ggfi-space-4);
  font-size: clamp(2.4rem, 7vw, 4.8rem);
  font-weight: 780;
  letter-spacing: -.055em;
}

.ggfi-home-lead {
  max-width: 38rem;
  margin: 0 auto var(--ggfi-space-5);
  color: var(--ggfi-color-ink-muted);
  font-size: clamp(1rem, 2.2vw, 1.2rem);
}

.ggfi-home-actions {
  display: flex;
  justify-content: center;
  gap: var(--ggfi-space-3);
  flex-wrap: wrap;
}

.jumbotron {
  padding: clamp(2.5rem, 6vw, 4.5rem) 0 var(--ggfi-space-6);
  background: transparent;
}

.jumbotron h1,
h1,
h2,
h3,
h4 {
  color: var(--ggfi-color-ink);
  letter-spacing: -.035em;
}

.jumbotron h1 {
  font-size: clamp(2.4rem, 6vw, 4.4rem);
  font-weight: 760;
}

main[role="main"] {
  min-height: calc(100vh - var(--ggfi-header-height));
  padding-bottom: var(--ggfi-space-8);
}

.card,
.modal-content,
.table-wrap,
.skoli-card {
  border-color: var(--ggfi-color-border) !important;
  border-radius: var(--ggfi-radius-lg) !important;
  background: color-mix(in srgb, var(--ggfi-color-surface) 82%, transparent) !important;
  box-shadow: var(--ggfi-shadow-sm);
}

.modal-content {
  background: color-mix(in srgb, var(--ggfi-color-surface) 96%, var(--ggfi-color-paper)) !important;
  box-shadow: var(--ggfi-shadow-md);
}

.modal-backdrop {
  background-color: rgb(19 32 28 / .62);
  backdrop-filter: blur(7px);
  -webkit-backdrop-filter: blur(7px);
}

.modal-backdrop.show {
  opacity: 1;
}

html[data-bs-theme="dark"] .modal-backdrop,
html[data-theme="dark"] .modal-backdrop {
  background-color: rgb(0 0 0 / .72);
}

.table,
table {
  color: var(--ggfi-color-ink);
  border-color: var(--ggfi-color-border);
}

.table > :not(caption) > * > *,
th,
td {
  border-color: var(--ggfi-color-border);
}

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

code {
  color: var(--ggfi-color-ink);
  border: 1px solid var(--ggfi-color-border);
  border-radius: .35rem;
  background: color-mix(in srgb, var(--ggfi-color-mist) 72%, transparent);
}

pre {
  border: 1px solid var(--ggfi-color-border);
  border-radius: var(--ggfi-radius-md);
  color: #eaf3ef;
  background: #17231f;
}

/* Forms */
.form-control,
.form-select,
input,
select,
textarea {
  border-color: var(--ggfi-color-border) !important;
  border-radius: var(--ggfi-radius-md) !important;
  color: var(--ggfi-color-ink) !important;
  background-color: var(--ggfi-color-surface) !important;
}

.form-control:focus,
.form-select:focus,
input:focus,
select:focus,
textarea:focus {
  border-color: var(--ggfi-color-accent) !important;
  box-shadow: var(--ggfi-focus-ring) !important;
}

label,
.form-label {
  color: var(--ggfi-color-ink);
  font-weight: 700;
}

/* Buttons */
.btn {
  border-radius: 999px;
  font-weight: 740;
  text-decoration: none;
}

.btn-primary,
.btn-info {
  border-color: var(--ggfi-color-primary) !important;
  color: #fff !important;
  background: var(--ggfi-color-primary) !important;
}

.btn-primary:hover,
.btn-info:hover {
  border-color: var(--ggfi-color-primary-strong) !important;
  background: var(--ggfi-color-primary-strong) !important;
}

.btn-secondary,
.btn-outline-secondary {
  border-color: var(--ggfi-color-border) !important;
  color: var(--ggfi-color-ink) !important;
  background: var(--ggfi-color-mist) !important;
}

.btn-secondary:hover,
.btn-outline-secondary:hover {
  color: var(--ggfi-color-ink) !important;
  background: color-mix(in srgb, var(--ggfi-color-mist) 70%, var(--ggfi-color-border)) !important;
}

.btn-danger {
  border-color: var(--ggfi-color-danger) !important;
  background: var(--ggfi-color-danger) !important;
}

/* Badges and alerts */
.badge {
  border-radius: 999px;
  font-weight: 760;
}

.alert {
  border-color: var(--ggfi-color-border);
  border-left: .35rem solid var(--alert-color, var(--ggfi-color-accent));
  border-radius: var(--ggfi-radius-md);
  color: var(--ggfi-color-ink);
  background: var(--ggfi-color-surface);
}

.alert-success { --alert-color: var(--ggfi-color-success); }
.alert-warning { --alert-color: var(--ggfi-color-warning); }
.alert-danger { --alert-color: var(--ggfi-color-danger); }
.alert-info { --alert-color: var(--ggfi-color-accent); }

.nav-pills .nav-link {
  color: var(--ggfi-color-ink-muted);
  border-radius: 999px;
  font-weight: 700;
}

.nav-pills .nav-link.active,
.nav-pills .show > .nav-link {
  color: var(--ggfi-color-primary-strong);
  background: var(--ggfi-color-primary-soft);
}

html[data-bs-theme="dark"] .nav-pills .nav-link.active,
html[data-bs-theme="dark"] .nav-pills .show > .nav-link,
html[data-theme="dark"] .nav-pills .nav-link.active,
html[data-theme="dark"] .nav-pills .show > .nav-link {
  color: var(--ggfi-color-primary-strong);
  background: var(--ggfi-color-primary-soft);
}

.footer {
  border-top: 1px solid var(--ggfi-color-border);
  color: var(--ggfi-color-ink-muted);
}

/* Wargame scoreboard */
.skoli-scoreboard-page {
  max-width: var(--ggfi-content-width);
}

.skoli-score-stat,
.skoli-score-panel,
.skoli-scoreboard-table-wrap,
.skoli-empty-scoreboard {
  border: 1px solid var(--ggfi-color-border);
  border-radius: var(--ggfi-radius-lg);
  background: color-mix(in srgb, var(--ggfi-color-surface) 88%, transparent);
  box-shadow: var(--ggfi-shadow-sm);
}

.skoli-score-stat {
  min-height: 7rem;
  display: flex;
  flex-direction: column;
  justify-content: space-between;
  padding: var(--ggfi-space-4);
}

.skoli-score-stat-label {
  color: var(--ggfi-color-ink-muted);
  font-size: .78rem;
  font-weight: 780;
  letter-spacing: .08em;
  text-transform: uppercase;
}

.skoli-score-stat strong {
  color: var(--ggfi-color-ink);
  font-size: clamp(1.7rem, 4vw, 2.35rem);
  line-height: 1;
  letter-spacing: -.04em;
}

.skoli-scoreboard-table-wrap {
  overflow: hidden;
}

.skoli-scoreboard-table {
  margin-bottom: 0;
}

.skoli-scoreboard-table thead th {
  color: var(--ggfi-color-ink-muted);
  background: var(--ggfi-color-mist);
  font-size: .78rem;
  letter-spacing: .08em;
  text-transform: uppercase;
}

.skoli-scoreboard-table tbody tr:hover {
  background: color-mix(in srgb, var(--ggfi-color-primary-soft) 45%, transparent);
}

.skoli-score-panel,
.skoli-empty-scoreboard {
  padding: var(--ggfi-space-5);
}

.skoli-score-panel-header {
  display: flex;
  align-items: baseline;
  justify-content: space-between;
  gap: var(--ggfi-space-4);
  margin-bottom: var(--ggfi-space-4);
}

.skoli-score-panel-header h2 {
  margin: 0;
  font-size: 1.15rem;
  font-weight: 760;
}

.skoli-score-panel-header span {
  color: var(--ggfi-color-primary);
  font-weight: 820;
}

.skoli-lab-progress-row + .skoli-lab-progress-row {
  margin-top: var(--ggfi-space-4);
}

.skoli-lab-progress-row > div:first-child {
  display: flex;
  align-items: baseline;
  justify-content: space-between;
  gap: var(--ggfi-space-3);
  margin-bottom: var(--ggfi-space-2);
}

.skoli-lab-progress-row small,
.skoli-recent-solves small,
.skoli-recent-solves time {
  color: var(--ggfi-color-ink-muted);
}

.skoli-progress {
  width: 100%;
  height: .36rem;
  border-radius: 999px;
  overflow: hidden;
  background: var(--ggfi-color-mist);
}

.skoli-progress-bar {
  height: 100%;
  border-radius: inherit;
  background: linear-gradient(90deg, var(--ggfi-color-primary), var(--ggfi-color-accent));
}

.skoli-recent-solves li {
  display: flex;
  justify-content: space-between;
  gap: var(--ggfi-space-4);
  padding: var(--ggfi-space-3) 0;
  border-top: 1px solid var(--ggfi-color-border);
}

.skoli-recent-solves li:first-child {
  border-top: 0;
  padding-top: 0;
}

.skoli-recent-solves li:last-child {
  padding-bottom: 0;
}

.skoli-recent-solves span,
.skoli-recent-solves small {
  display: block;
}

/* Profile solve category paths */
.skoli-category-path {
  display: inline-flex;
  align-items: center;
  gap: .35rem;
  flex-wrap: wrap;
  max-width: 100%;
}

.skoli-category-pill {
  display: inline-flex;
  align-items: center;
  min-height: 1.7rem;
  padding: .18rem .55rem;
  border: 1px solid var(--ggfi-color-border);
  border-radius: 999px;
  color: var(--ggfi-color-ink);
  background: var(--ggfi-color-mist);
  font-size: .82rem;
  font-weight: 700;
  line-height: 1.2;
  white-space: nowrap;
}

.skoli-category-pill + .skoli-category-pill::before {
  content: "";
}

@media (max-width: 880px) {
  .skoli-navbar {
    min-height: auto;
  }

  .ggfi-index-grid,
  .ggfi-index-acknowledgement {
    grid-template-columns: 1fr;
  }

  .ggfi-index-acknowledgement-logos {
    justify-content: flex-start;
  }
}