/* =============================================================
   Kos CTF — Retro Terminal Theme
   Kosovo colours · Blue #244AA5 · Gold #D4AF37
   Performance: no backdrop-filter, no body gradients,
                no transform on hover, no complex animations
   ============================================================= */

/* ── Variables ──────────────────────────────────────────────── */
:root {
  --kos-blue:       #244AA5;
  --kos-blue-mid:   #3460C8;
  --kos-blue-light: #5B8DE8;
  --kos-gold:       #D4AF37;
  --kos-gold-light: #EAC94E;

  --bg-base:     #04070f;
  --bg-surface:  #060a18;
  --bg-elevated: #090e1f;

  --border:      rgba(36, 74, 165, 0.32);
  --border-hi:   rgba(91, 141, 232, 0.55);
  --border-gold: rgba(212, 175, 55, 0.4);

  --text-bright: #d8e4f8;
  --text-base:   #8ba8d0;
  --text-dim:    #334d6e;

  --success: #22c55e;
  --danger:  #ef4444;
  --warning: #f59e0b;

  --radius:  3px;
  --mono:    'Courier New', 'Lucida Console', monospace;
  --transition: 0.1s ease;
}

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

/* ── Scanlines overlay ───────────────────────────────────────
   z-index 100: above regular content, well below Bootstrap's
   modal stack (1050-1080) so it never interferes with modals.
   NO will-change — avoids compositing-layer event-blocking bugs. */
body::after {
  content: '';
  position: fixed;
  inset: 0;
  pointer-events: none;
  z-index: 100;
  background: repeating-linear-gradient(
    0deg,
    transparent 0px,
    transparent 3px,
    rgba(0, 0, 0, 0.06) 3px,
    rgba(0, 0, 0, 0.06) 4px
  );
}

/* ── Base ───────────────────────────────────────────────────── */
body {
  font-family: 'Space Grotesk', system-ui, sans-serif;
  background: var(--bg-base);
  color: var(--text-base);
  min-height: 100vh;
  /* NO background-image gradients or dot grids */
}

h1, h2, h3, h4, h5, h6 {
  color: var(--text-bright);
  font-weight: 700;
  letter-spacing: -0.02em;
}

a { color: var(--kos-blue-light); text-decoration: none; transition: color var(--transition); }
a:hover { color: var(--kos-gold-light); }

::selection { background: var(--kos-blue); color: #fff; }

::-webkit-scrollbar { width: 5px; height: 5px; }
::-webkit-scrollbar-track { background: var(--bg-base); }
::-webkit-scrollbar-thumb { background: rgba(36,74,165,0.5); border-radius: 1px; }
::-webkit-scrollbar-thumb:hover { background: var(--kos-blue); }

/* ── Navbar — solid, NO backdrop-filter ─────────────────────── */
.navbar {
  background: var(--bg-surface) !important;
  border-bottom: 2px solid var(--kos-blue) !important;
  box-shadow: 0 2px 0 rgba(212,175,55,0.22), 0 4px 20px rgba(0,0,0,0.55) !important;
  padding: 0.5rem 1rem;
}
.navbar-brand {
  font-family: var(--mono);
  font-weight: 700;
  font-size: 1rem;
  color: var(--kos-gold-light) !important;
  letter-spacing: 0.06em;
  text-transform: uppercase;
}
.navbar-brand::before { content: '> '; color: var(--kos-blue-light); }
.navbar .nav-link {
  font-family: var(--mono);
  font-size: 0.78rem;
  color: var(--text-base) !important;
  font-weight: 500;
  padding: 0.35rem 0.7rem !important;
  border-radius: var(--radius) !important;
  text-transform: uppercase;
  letter-spacing: 0.07em;
  border: 1px solid transparent;
  transition: color var(--transition), border-color var(--transition), background var(--transition);
}
.navbar .nav-link:hover,
.navbar .nav-link.active {
  color: var(--kos-blue-light) !important;
  border-color: rgba(91,141,232,0.3);
  background: rgba(36,74,165,0.1) !important;
}
.navbar-toggler { border-color: rgba(36,74,165,0.35) !important; }
.navbar-toggler-icon { filter: invert(0.55); }

/* ── Jumbotron ──────────────────────────────────────────────── */
.jumbotron {
  background: var(--bg-surface) !important;
  border-bottom: 1px solid var(--border) !important;
  padding: 2rem 0 !important;
  margin-bottom: 2rem !important;
  position: relative;
}
.jumbotron::before {
  content: '';
  position: absolute;
  left: 0; top: 0; bottom: 0;
  width: 3px;
  background: linear-gradient(to bottom, var(--kos-blue), var(--kos-gold));
}
.jumbotron h1 {
  font-family: var(--mono);
  font-size: 1.5rem;
  font-weight: 700;
  color: var(--kos-gold-light);
  letter-spacing: 0.04em;
  text-transform: uppercase;
  text-shadow: 0 0 18px rgba(212,175,55,0.25);
}

/* ── Cards ───────────────────────────────────────────────────── */
.card {
  background: var(--bg-elevated) !important;
  border: 1px solid var(--border) !important;
  border-radius: var(--radius) !important;
  box-shadow: none !important;
}
.card-header {
  background: rgba(36,74,165,0.08) !important;
  border-bottom: 1px solid var(--border) !important;
  color: var(--text-bright) !important;
  font-family: var(--mono);
  font-weight: 700;
  font-size: 0.78rem;
  text-transform: uppercase;
  letter-spacing: 0.07em;
}
.card-body { color: var(--text-base); }

/* ── Challenge buttons ───────────────────────────────────────── */
.challenge-button {
  background: var(--bg-elevated) !important;
  border: 1px solid var(--border) !important;
  border-left: 3px solid var(--kos-blue) !important;
  border-radius: var(--radius) !important;
  color: var(--text-base) !important;
  box-shadow: none !important;
  /* NO transform — avoids layout shift on hover */
  transition: background var(--transition), border-color var(--transition), color var(--transition) !important;
  position: relative !important;
  overflow: hidden !important;
  min-height: 110px;
}
/* NO ::after overlay — was intercepting clicks */
.challenge-button:hover {
  background: rgba(36,74,165,0.1) !important;
  border-color: rgba(91,141,232,0.5) !important;
  color: var(--text-bright) !important;
}
.challenge-button:active {
  background: rgba(36,74,165,0.18) !important;
}
.challenge-button .challenge-inner { position: relative; z-index: 1; }
.challenge-button .challenge-inner p {
  font-weight: 600;
  color: var(--text-bright);
  margin-bottom: 0.35rem;
  font-size: 0.88rem;
}
.challenge-button .challenge-inner span {
  font-family: var(--mono);
  font-size: 1.05rem;
  font-weight: 700;
  color: var(--kos-gold-light);
}

/* Solved */
.challenge-solved {
  background: rgba(34,197,94,0.04) !important;
  border-left-color: var(--success) !important;
  border-color: rgba(34,197,94,0.22) !important;
}
.challenge-solved .challenge-inner p { color: rgba(74,222,128,0.9); }
.challenge-solved .challenge-inner span { color: var(--success); }

/* Category header */
.category-header h3 {
  font-family: var(--mono);
  display: inline-block;
  font-size: 0.68rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.14em;
  color: var(--kos-blue-light);
  border: 1px solid rgba(91,141,232,0.25);
  border-left: 3px solid var(--kos-blue);
  padding: 0.2rem 0.7rem;
  border-radius: 0 var(--radius) var(--radius) 0;
  background: rgba(36,74,165,0.07);
}
.category-header h3::before { content: '[ '; color: var(--text-dim); }
.category-header h3::after  { content: ' ]'; color: var(--text-dim); }

/* Category colour bars — left border on cards */
.kos-cat-web               { border-left-color: var(--kos-blue-light) !important; }
.kos-cat-crypto            { border-left-color: var(--kos-gold)        !important; }
.kos-cat-misc              { border-left-color: #7c3aed                !important; }
.kos-cat-pwn               { border-left-color: var(--danger)          !important; }
.kos-cat-binary-exploitation { border-left-color: var(--danger)        !important; }
.kos-cat-rev               { border-left-color: var(--success)         !important; }
.kos-cat-reverse-engineering { border-left-color: var(--success)       !important; }
.kos-cat-forensics         { border-left-color: #06b6d4                !important; }
.kos-cat-osint             { border-left-color: #f97316                !important; }

/* ── Tables ─────────────────────────────────────────────────── */
.table {
  color: var(--text-base) !important;
  border-color: transparent !important;
  border-collapse: collapse !important;
  /* Override Bootstrap's CSS-var color chain so cells resolve to our text */
  --bs-table-color:        var(--text-base);
  --bs-table-striped-color: var(--text-base);
}
.table thead th {
  background: rgba(36,74,165,0.12) !important;
  color: var(--kos-blue-light) !important;
  font-family: var(--mono);
  font-size: 0.65rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.13em;
  border: none !important;
  border-bottom: 2px solid var(--border) !important;
  padding: 0.7rem 1rem;
}
/* Kill Bootstrap 5's box-shadow/CSS-var background trick on every cell */
.table > :not(caption) > * > * {
  background-color: transparent !important;
  box-shadow: none !important;
  --bs-table-bg: transparent !important;
  --bs-table-accent-bg: transparent !important;
  --bs-table-bg-state: initial !important;
  --bs-table-bg-type: initial !important;
}
.table tbody tr {
  background: transparent !important;
  transition: background var(--transition);
}
.table tbody tr td,
.table tbody tr th {
  border: none !important;
  border-bottom: 1px solid rgba(36,74,165,0.1) !important;
  padding: 0.7rem 1rem;
  vertical-align: middle;
}
.table tbody tr:hover td,
.table tbody tr:hover th { background: rgba(36,74,165,0.07) !important; }
/* Alternating row tint — light blue, no white */
.table-striped > tbody > tr:nth-of-type(odd) > * {
  background: rgba(36, 74, 165, 0.08) !important;
}

/* Scoreboard rank highlight */
.kos-rank-1 td, .kos-rank-1 th { color: var(--kos-gold-light) !important; }
.kos-rank-2 td, .kos-rank-2 th { color: #b0bfcc !important; }
.kos-rank-3 td, .kos-rank-3 th { color: #c88a50 !important; }

/* ── Forms ──────────────────────────────────────────────────── */
.form-control, .form-select {
  background: var(--bg-elevated) !important;
  border: 1px solid var(--border) !important;
  color: var(--text-bright) !important;
  border-radius: var(--radius) !important;
  font-family: var(--mono);
  transition: border-color var(--transition);
}
.form-control:focus, .form-select:focus {
  border-color: var(--kos-blue) !important;
  box-shadow: 0 0 0 2px rgba(36,74,165,0.18) !important;
  background: var(--bg-elevated) !important;
  color: var(--text-bright) !important;
  outline: none !important;
}
.form-control::placeholder { color: var(--text-dim) !important; }
.form-label {
  color: var(--text-base) !important;
  font-family: var(--mono);
  font-weight: 700;
  font-size: 0.75rem;
  text-transform: uppercase;
  letter-spacing: 0.07em;
}
.form-text  { color: var(--text-dim) !important; font-size: 0.75rem; }
.input-group-text {
  background: var(--bg-elevated) !important;
  border-color: var(--border) !important;
  color: var(--text-dim) !important;
}

/* ── Buttons ────────────────────────────────────────────────── */
.btn {
  border-radius: var(--radius) !important;
  font-family: var(--mono) !important;
  font-weight: 700 !important;
  font-size: 0.75rem !important;
  text-transform: uppercase;
  letter-spacing: 0.07em;
  transition: background var(--transition), border-color var(--transition), color var(--transition) !important;
}
.btn-primary {
  background: var(--kos-blue) !important;
  border: 1px solid var(--kos-blue-mid) !important;
  color: #fff !important;
}
.btn-primary:hover {
  background: var(--kos-blue-mid) !important;
  border-color: var(--kos-blue-light) !important;
}
.btn-secondary {
  background: var(--bg-elevated) !important;
  border: 1px solid var(--border) !important;
  color: var(--text-base) !important;
}
.btn-secondary:hover {
  background: rgba(36,74,165,0.12) !important;
  border-color: var(--kos-blue-light) !important;
  color: var(--kos-blue-light) !important;
}
.btn-success { background: rgba(34,197,94,0.12)  !important; border: 1px solid var(--success) !important; color: var(--success) !important; }
.btn-danger  { background: rgba(239,68,68,0.12)   !important; border: 1px solid var(--danger)  !important; color: var(--danger)  !important; }
.btn-outline-secondary {
  background: transparent !important;
  border: 1px solid var(--border) !important;
  color: var(--text-base) !important;
}
.btn-outline-secondary:hover {
  background: rgba(36,74,165,0.1) !important;
  color: var(--kos-blue-light) !important;
  border-color: var(--kos-blue-light) !important;
}

/* ── Badges ─────────────────────────────────────────────────── */
.badge {
  border-radius: 2px !important;
  font-family: var(--mono) !important;
  font-weight: 700 !important;
  font-size: 0.65rem !important;
  letter-spacing: 0.06em;
  text-transform: uppercase;
}
.bg-secondary {
  background: rgba(36,74,165,0.14) !important;
  color: var(--kos-blue-light) !important;
  border: 1px solid rgba(91,141,232,0.22) !important;
}
.bg-primary { background: var(--kos-blue) !important; }
.bg-success { background: var(--success)  !important; }
.bg-danger  { background: var(--danger)   !important; }

/* ── Modals ─────────────────────────────────────────────────── */

/* Center the dialog vertically in the viewport.
   Bootstrap only does this with .modal-dialog-centered — we apply
   it universally so the dialog is never hidden at the top of a
   long page where clicking center-screen only hits the backdrop. */
.modal-dialog {
  min-height: calc(100% - 1rem);
  display: flex !important;
  flex-direction: column;
  align-items: stretch;
  justify-content: center;
  margin-top: auto !important;
  margin-bottom: auto !important;
}

/* Belt-and-suspenders: ensure the content area is always clickable
   regardless of any Bootstrap or Alpine.js pointer-events cascade. */
.modal-content,
.modal-header,
.modal-body,
.modal-footer {
  pointer-events: auto !important;
}

.modal-content {
  background: var(--bg-elevated) !important;
  border: 1px solid rgba(91,141,232,0.35) !important;
  border-radius: var(--radius) !important;
  box-shadow: 4px 4px 0 rgba(36,74,165,0.25), 0 20px 60px rgba(0,0,0,0.7) !important;
  flex: 0 0 auto;
  width: 100%;
}
.modal-header {
  background: rgba(36,74,165,0.08) !important;
  border-bottom: 1px solid var(--border) !important;
  border-radius: var(--radius) var(--radius) 0 0 !important;
}
.modal-title {
  font-family: var(--mono);
  color: var(--kos-gold-light) !important;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.06em;
  font-size: 0.9rem;
}
.modal-body  { color: var(--text-base) !important; }
.modal-footer {
  border-top: 1px solid var(--border) !important;
  background: rgba(36,74,165,0.04) !important;
  border-radius: 0 0 var(--radius) var(--radius) !important;
}
/* Backdrop is purely decorative — clicks must pass through to the modal.
   Bootstrap 5 handles dismiss-on-outside-click via .modal's own listener,
   not the backdrop element, so this is safe. */
.modal-backdrop {
  pointer-events: none !important;
}
.modal-backdrop.show { background: rgba(0,0,0,0.72); }
.btn-close { filter: invert(0.55); }
.btn-close:hover { filter: invert(0.9); }

.challenge-desc { color: var(--text-base) !important; line-height: 1.65; }
.challenge-tags .badge {
  background: rgba(36,74,165,0.12) !important;
  color: var(--kos-blue-light) !important;
  border: 1px solid rgba(91,141,232,0.22) !important;
}

/* ── Alerts ─────────────────────────────────────────────────── */
.alert { border-radius: var(--radius) !important; }
.alert-success { background: rgba(34,197,94,0.07)  !important; color: #86efac !important; border: 1px solid rgba(34,197,94,0.2) !important; border-left: 3px solid var(--success) !important; }
.alert-danger  { background: rgba(239,68,68,0.07)  !important; color: #fca5a5 !important; border: 1px solid rgba(239,68,68,0.2) !important; border-left: 3px solid var(--danger)  !important; }
.alert-warning { background: rgba(245,158,11,0.07) !important; color: #fcd34d !important; border: 1px solid rgba(245,158,11,0.2) !important; border-left: 3px solid var(--warning) !important; }
.alert-info    { background: rgba(36,74,165,0.07)  !important; color: var(--kos-blue-light) !important; border: 1px solid rgba(36,74,165,0.2) !important; border-left: 3px solid var(--kos-blue) !important; }

/* ── Toasts ─────────────────────────────────────────────────── */
.toast {
  background: var(--bg-elevated) !important;
  border: 1px solid rgba(91,141,232,0.35) !important;
  border-radius: var(--radius) !important;
  box-shadow: 3px 3px 0 rgba(36,74,165,0.22) !important;
}
.toast-header {
  background: rgba(36,74,165,0.1) !important;
  border-bottom: 1px solid var(--border) !important;
  color: var(--kos-gold-light) !important;
  font-family: var(--mono);
  font-weight: 700;
  font-size: 0.78rem;
  text-transform: uppercase;
  letter-spacing: 0.05em;
}
.toast-body { color: var(--text-base) !important; }

/* ── Nav pills ──────────────────────────────────────────────── */
.nav-pills .nav-link {
  color: var(--text-base) !important;
  border-radius: var(--radius) !important;
  font-family: var(--mono);
  font-size: 0.75rem;
  text-transform: uppercase;
  letter-spacing: 0.06em;
  transition: background var(--transition), color var(--transition);
}
.nav-pills .nav-link:hover  { background: rgba(36,74,165,0.1)  !important; color: var(--kos-blue-light) !important; }
.nav-pills .nav-link.active { background: var(--kos-blue) !important; color: #fff !important; }

/* ── Score graph panel ──────────────────────────────────────── */
#score-graph {
  background: var(--bg-elevated);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 1rem 1.25rem;
  margin-bottom: 1.5rem;
  min-height: 280px;
}

/* ── Kos injected panels ────────────────────────────────────── */
.kos-panel {
  background: var(--bg-elevated);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 1rem 1.25rem;
  margin-bottom: 1.25rem;
  animation: kos-fade-in 0.2s ease both;
}
.kos-panel-title {
  font-family: var(--mono);
  font-size: 0.65rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.15em;
  color: var(--kos-blue-light);
  margin-bottom: 0.9rem;
  display: flex;
  align-items: center;
  gap: 0.5rem;
  padding-bottom: 0.5rem;
  border-bottom: 1px dashed rgba(36,74,165,0.25);
}
.kos-panel-title::before { content: '//'; color: var(--kos-gold); margin-right: 2px; }

/* ── Stats row ──────────────────────────────────────────────── */
.kos-stats-row {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(130px, 1fr));
  gap: 0.75rem;
  margin-bottom: 1.25rem;
  animation: kos-fade-in 0.2s ease both;
}
.kos-stat-card {
  background: var(--bg-elevated);
  border: 1px solid var(--border);
  border-top: 2px solid var(--kos-blue);
  border-radius: var(--radius);
  padding: 0.9rem 1rem;
  text-align: center;
  /* NO hover transform, NO box-shadow */
}
.kos-stat-value {
  font-family: var(--mono);
  font-size: 2rem;
  font-weight: 700;
  color: var(--text-bright);
  line-height: 1;
  margin-bottom: 0.3rem;
  font-variant-numeric: tabular-nums;
}
.kos-stat-value.blue  { color: var(--kos-blue-light); text-shadow: 0 0 10px rgba(91,141,232,0.3); }
.kos-stat-value.gold  { color: var(--kos-gold-light); text-shadow: 0 0 10px rgba(212,175,55,0.3); }
.kos-stat-value.green { color: var(--success); }
.kos-stat-label {
  font-family: var(--mono);
  font-size: 0.6rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.13em;
  color: var(--text-dim);
}

/* ── Spinner ────────────────────────────────────────────────── */
.spinner, .fa-circle-notch { color: var(--kos-blue-light) !important; }

/* ── Footer ─────────────────────────────────────────────────── */
footer.footer {
  background: transparent !important;
  border-top: 1px solid var(--border) !important;
  padding: 1.5rem 0 !important;
  margin-top: 4rem;
}
footer a { color: var(--text-dim) !important; font-family: var(--mono); font-size: 0.72rem; }
footer a:hover { color: var(--text-base) !important; }

/* ── Dropdown ───────────────────────────────────────────────── */
.dropdown-menu {
  background: var(--bg-elevated) !important;
  border: 1px solid rgba(91,141,232,0.28) !important;
  border-radius: var(--radius) !important;
  box-shadow: 4px 4px 0 rgba(0,0,0,0.35) !important;
  padding: 0.35rem !important;
}
.dropdown-item {
  color: var(--text-base) !important;
  border-radius: var(--radius) !important;
  font-family: var(--mono);
  font-size: 0.75rem;
  text-transform: uppercase;
  letter-spacing: 0.05em;
  transition: background var(--transition), color var(--transition);
}
.dropdown-item:hover { background: rgba(36,74,165,0.1) !important; color: var(--kos-blue-light) !important; }
.dropdown-divider { border-color: rgba(36,74,165,0.18) !important; }

/* ── Pagination ─────────────────────────────────────────────── */
.page-link {
  background: var(--bg-elevated) !important;
  border-color: var(--border) !important;
  color: var(--text-base) !important;
  font-family: var(--mono);
  border-radius: 0 !important;
  transition: background var(--transition), color var(--transition);
}
.page-link:hover { background: rgba(36,74,165,0.12) !important; color: var(--kos-blue-light) !important; }
.page-item.active .page-link { background: var(--kos-blue) !important; border-color: var(--kos-blue) !important; color: #fff !important; }

/* ── Podium ─────────────────────────────────────────────────── */
.kos-podium-grid {
  display: grid;
  grid-template-columns: 1fr 1.15fr 1fr;
  gap: 0.75rem;
  align-items: end;
}
.kos-podium-card {
  background: var(--bg-base);
  border: 1px solid var(--border);
  border-top: 3px solid var(--border);
  border-radius: var(--radius);
  padding: 1.25rem 1rem;
  text-align: center;
}
.kos-podium-gold   { border-top-color: var(--kos-gold) !important; }
.kos-podium-silver { border-top-color: #9ca3af !important; }
.kos-podium-bronze { border-top-color: #c88a50 !important; }

.kos-podium-medal {
  font-size: 2rem;
  line-height: 1;
  margin-bottom: 0.6rem;
}
.kos-podium-name {
  font-family: var(--mono);
  font-size: 0.82rem;
  font-weight: 700;
  color: var(--text-bright);
  margin-bottom: 0.35rem;
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
}
.kos-podium-name a { color: inherit; }
.kos-podium-name a:hover { color: var(--kos-gold-light); }
.kos-podium-score {
  font-family: var(--mono);
  font-size: 1rem;
  font-weight: 700;
  color: var(--kos-blue-light);
  letter-spacing: 0.04em;
}
.kos-podium-gold   .kos-podium-score { color: var(--kos-gold-light); }
.kos-podium-silver .kos-podium-score { color: #b0bfcc; }
.kos-podium-bronze .kos-podium-score { color: #c88a50; }
.kos-podium-rank {
  font-family: var(--mono);
  font-size: 0.58rem;
  color: var(--text-dim);
  margin-top: 0.3rem;
  letter-spacing: 0.1em;
}

/* Taller middle card for 1st place */
.kos-podium-card:nth-child(2) { padding-top: 1.75rem; padding-bottom: 1.75rem; }

@media (max-width: 480px) {
  .kos-podium-grid { grid-template-columns: 1fr; }
  .kos-podium-card:nth-child(2) { order: -1; }
}

/* ── Side-by-side panel row (First Blood + Solve Feed) ──────── */
.kos-side-row {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 1rem;
  margin-bottom: 1.25rem;
  animation: kos-fade-in 0.2s ease both;
}
.kos-side-row .kos-panel { margin-bottom: 0; }
@media (max-width: 768px) {
  .kos-side-row { grid-template-columns: 1fr; }
}

/* ── First Blood panel — red accent ─────────────────────────── */
.kos-panel-blood {
  border-color: rgba(239, 68, 68, 0.35) !important;
  border-left: 2px solid var(--danger) !important;
}
.kos-panel-blood .kos-panel-title {
  color: #f87171 !important;
  border-bottom-color: rgba(239, 68, 68, 0.2) !important;
}
.kos-panel-blood .kos-panel-title::before {
  color: var(--danger) !important;
}
.kos-panel-blood .kos-blood-row:hover {
  background: rgba(239, 68, 68, 0.06) !important;
  border-left-color: var(--danger) !important;
}

/* ── First Blood Roll ─────────────────────────────────────── */
.kos-blood-list {
  display: flex;
  flex-direction: column;
  gap: 2px;
}
.kos-blood-row {
  display: grid;
  grid-template-columns: 72px 1fr auto;
  gap: 0.75rem;
  align-items: center;
  padding: 0.5rem 0.6rem;
  border-radius: var(--radius);
  border-left: 2px solid rgba(36,74,165,0.2);
  transition: background var(--transition), border-color var(--transition);
}
.kos-blood-row:hover {
  background: rgba(36,74,165,0.06);
  border-left-color: var(--kos-blue);
}
.kos-blood-cat {
  font-family: var(--mono);
  font-size: 0.58rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.07em;
  color: var(--kos-blue-light);
  background: rgba(36,74,165,0.1);
  border: 1px solid rgba(91,141,232,0.2);
  border-radius: 2px;
  padding: 0.12rem 0.4rem;
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
  text-align: center;
}
/* Category pill colours */
.kos-blood-cat-web      { color: #5B8DE8; background: rgba(91,141,232,0.1);  border-color: rgba(91,141,232,0.25); }
.kos-blood-cat-crypto   { color: #EAC94E; background: rgba(212,175,55,0.1);  border-color: rgba(212,175,55,0.25); }
.kos-blood-cat-misc     { color: #a78bfa; background: rgba(124,58,237,0.1);  border-color: rgba(124,58,237,0.25); }
.kos-blood-cat-pwn      { color: #fca5a5; background: rgba(239,68,68,0.1);   border-color: rgba(239,68,68,0.25); }
.kos-blood-cat-binary-exploitation { color: #fca5a5; background: rgba(239,68,68,0.1); border-color: rgba(239,68,68,0.25); }
.kos-blood-cat-rev      { color: #86efac; background: rgba(34,197,94,0.1);   border-color: rgba(34,197,94,0.25); }
.kos-blood-cat-reverse-engineering { color: #86efac; background: rgba(34,197,94,0.1); border-color: rgba(34,197,94,0.25); }
.kos-blood-cat-forensics { color: #67e8f9; background: rgba(6,182,212,0.1); border-color: rgba(6,182,212,0.25); }
.kos-blood-cat-osint    { color: #fdba74; background: rgba(249,115,22,0.1);  border-color: rgba(249,115,22,0.25); }

.kos-blood-challenge {
  font-size: 0.83rem;
  font-weight: 600;
  color: var(--text-base);
}
.kos-blood-winner {
  font-family: var(--mono);
  font-size: 0.78rem;
  color: var(--kos-blue-light);
  text-align: right;
  white-space: nowrap;
}
.kos-blood-winner a { color: var(--kos-blue-light); }
.kos-blood-winner a:hover { color: var(--kos-gold-light); }
.kos-blood-unclaimed { color: var(--text-dim) !important; }

/* ── Score graph — removed, hide immediately before JS runs ─── */
#score-graph { display: none !important; }

/* ── Solve Feed ──────────────────────────────────────────────── */
.kos-panel-title { position: relative; }

.kos-feed-live {
  position: absolute;
  right: 0; top: 50%;
  transform: translateY(-50%);
  font-family: var(--mono);
  font-size: 0.55rem;
  font-weight: 700;
  letter-spacing: 0.1em;
  color: var(--success);
  animation: kos-blink 1.8s step-end infinite;
}

.kos-feed-list {
  display: flex;
  flex-direction: column;
  gap: 1px;
  max-height: 260px;
  overflow: hidden;   /* no scrollbar — older entries just disappear */
}

.kos-feed-row {
  display: grid;
  grid-template-columns: 68px 1fr auto auto auto;
  gap: 0.5rem;
  align-items: center;
  padding: 0.38rem 0.4rem;
  border-radius: var(--radius);
  font-size: 0.78rem;
  transition: background var(--transition);
}
.kos-feed-row:hover { background: rgba(36,74,165,0.06); }

.kos-feed-new {
  animation: kos-feed-flash 1.8s ease forwards;
}

.kos-feed-challenge {
  font-weight: 600;
  color: var(--text-base);
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
}

.kos-feed-arrow {
  font-family: var(--mono);
  color: var(--text-dim);
  font-size: 0.7rem;
}

.kos-feed-user {
  font-family: var(--mono);
  font-size: 0.75rem;
  color: var(--kos-blue-light);
  white-space: nowrap;
}
.kos-feed-user:hover { color: var(--kos-gold-light); }

.kos-feed-time {
  font-family: var(--mono);
  font-size: 0.62rem;
  color: var(--text-dim);
  white-space: nowrap;
  text-align: right;
  min-width: 52px;
}

.kos-feed-empty {
  font-family: var(--mono);
  font-size: 0.72rem;
  color: var(--text-dim);
  text-align: center;
  padding: 1rem 0;
}

/* ── Badge icons on scoreboard ───────────────────────────────── */
.kos-badge-icon {
  display: inline-block;
  margin-left: 4px;
  cursor: default;
  font-style: normal;
  font-size: 0.85em;
  line-height: 1;
  vertical-align: middle;
}

/* ── Animations — only opacity, no layout-triggering properties */
@keyframes kos-fade-in {
  from { opacity: 0; }
  to   { opacity: 1; }
}

@keyframes kos-feed-flash {
  0%   { background: rgba(212, 175, 55, 0.14); }
  100% { background: transparent; }
}

@keyframes kos-blink {
  0%, 100% { opacity: 1; }
  50%       { opacity: 0; }
}

/* Page load — opacity only, no transform */
main[role="main"] { animation: kos-fade-in 0.18s ease both; }

/* ── Wall of Sheep ───────────────────────────────────────────── */
.kos-sheep-row {
  display: grid;
  grid-template-columns: 48px 1fr auto;
  gap: 0.75rem;
  align-items: center;
  padding: 0.55rem 0.6rem;
  border-radius: var(--radius);
  border-left: 2px solid rgba(255, 255, 255, 0.06);
  transition: background var(--transition);
}
.kos-sheep-row:hover { background: rgba(255,255,255,0.03); }
.kos-sheep-rank {
  font-family: var(--mono);
  font-size: 0.68rem;
  color: var(--text-dim);
  text-align: center;
}
.kos-sheep-name {
  font-size: 0.88rem;
  font-weight: 600;
  color: var(--text-base);
}
.kos-sheep-name a { color: var(--text-base); }
.kos-sheep-name a:hover { color: var(--kos-gold-light); }
.kos-sheep-emojis {
  font-size: 1rem;
  letter-spacing: 0.05em;
  text-align: right;
  white-space: nowrap;
}
.kos-sheep-empty {
  font-family: var(--mono);
  font-size: 0.78rem;
  color: var(--text-dim);
  text-align: center;
  padding: 2rem 0;
}
.kos-panel-sheep { border-color: rgba(255,255,255,0.1) !important; }
.kos-panel-sheep .kos-panel-title { color: #e5e7eb !important; border-bottom-color: rgba(255,255,255,0.1) !important; }
.kos-panel-sheep .kos-panel-title::before { color: #9ca3af !important; }