/* =============================================
   JSC 2026 - Design Tokens / CSS Variables

   Edit this file to change the entire color scheme.
   All other modules reference these variables.
   ============================================= */

/* ---- DARK MODE ---- */
[data-bs-theme="dark"] {
  --jsc-primary: #e63946;
  --jsc-primary-light: #ff4d5a;
  --jsc-primary-dark: #c1121f;
  --jsc-bg-body: #0b0b0b;
  --jsc-bg-card: #141414;
  --jsc-bg-card-hover: #1c1c1c;
  --jsc-bg-surface: #111111;
  --jsc-bg-navbar: rgba(11, 11, 11, 0.92);
  --jsc-text-primary: #f0f0f0;
  --jsc-text-secondary: #999999;
  --jsc-text-heading: #ffffff;
  --jsc-border: rgba(255, 255, 255, 0.08);
  --jsc-border-red: rgba(230, 57, 70, 0.25);
  --jsc-glow: 0 0 20px rgba(230, 57, 70, 0.1);
  --jsc-glow-strong: 0 0 40px rgba(230, 57, 70, 0.2);
  --jsc-gradient: linear-gradient(135deg, #e63946, #c1121f);
  --jsc-shadow: 0 4px 20px rgba(0, 0, 0, 0.3);
  --jsc-input-bg: #111111;
  --jsc-table-hover: #1c1c1c;
  --jsc-footer-bg: #0e0e0e;
  --jsc-code-color: #ff4d5a;
  --jsc-link: #e63946;
  --jsc-link-hover: #ff4d5a;
  --jsc-btn-close-filter: invert(1) grayscale(100%) brightness(200%);
  --jsc-scrollbar-thumb: rgba(230, 57, 70, 0.25);
  --jsc-scrollbar-hover: rgba(230, 57, 70, 0.45);
  --jsc-selection-bg: rgba(230, 57, 70, 0.35);
  --jsc-radial-1: rgba(230, 57, 70, 0.04);
  --jsc-radial-2: rgba(230, 57, 70, 0.03);
  --jsc-btn-secondary-bg: rgba(255, 255, 255, 0.06);
  --jsc-btn-secondary-border: rgba(255, 255, 255, 0.1);
  --jsc-btn-secondary-color: #999999;
  --jsc-dropdown-hover: rgba(230, 57, 70, 0.08);
}

/* ---- LIGHT MODE ---- */
[data-bs-theme="light"] {
  --jsc-primary: #c1121f;
  --jsc-primary-light: #e63946;
  --jsc-primary-dark: #9b0d18;
  --jsc-bg-body: #f8f8f8;
  --jsc-bg-card: #ffffff;
  --jsc-bg-card-hover: #f2f2f2;
  --jsc-bg-surface: #f4f4f4;
  --jsc-bg-navbar: rgba(255, 255, 255, 0.92);
  --jsc-text-primary: #1a1a1a;
  --jsc-text-secondary: #666666;
  --jsc-text-heading: #0b0b0b;
  --jsc-border: rgba(0, 0, 0, 0.08);
  --jsc-border-red: rgba(193, 18, 31, 0.2);
  --jsc-glow: 0 2px 12px rgba(0, 0, 0, 0.06);
  --jsc-glow-strong: 0 4px 24px rgba(0, 0, 0, 0.1);
  --jsc-gradient: linear-gradient(135deg, #c1121f, #9b0d18);
  --jsc-shadow: 0 2px 12px rgba(0, 0, 0, 0.06);
  --jsc-input-bg: #ffffff;
  --jsc-table-hover: #f5f5f5;
  --jsc-footer-bg: #ffffff;
  --jsc-code-color: #c1121f;
  --jsc-link: #c1121f;
  --jsc-link-hover: #e63946;
  --jsc-btn-close-filter: none;
  --jsc-scrollbar-thumb: rgba(0, 0, 0, 0.15);
  --jsc-scrollbar-hover: rgba(0, 0, 0, 0.3);
  --jsc-selection-bg: rgba(193, 18, 31, 0.2);
  --jsc-radial-1: rgba(193, 18, 31, 0.02);
  --jsc-radial-2: rgba(193, 18, 31, 0.015);
  --jsc-btn-secondary-bg: rgba(0, 0, 0, 0.04);
  --jsc-btn-secondary-border: rgba(0, 0, 0, 0.1);
  --jsc-btn-secondary-color: #555555;
  --jsc-dropdown-hover: rgba(193, 18, 31, 0.06);
}
/* =============================================
   JSC 2026 - Base / Global Styles
   Body, typography, links, scrollbar, selection
   ============================================= */

html, body {
  background-color: var(--jsc-bg-body) !important;
  color: var(--jsc-text-primary) !important;
}

body {
  font-family: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
  background: var(--jsc-bg-body);
  background-image:
    radial-gradient(ellipse at 15% 0%, var(--jsc-radial-1) 0%, transparent 60%),
    radial-gradient(ellipse at 85% 100%, var(--jsc-radial-2) 0%, transparent 60%);
  background-attachment: fixed;
  min-height: 100vh;
}

h1, h2, h3, h4, h5, h6 {
  font-family: 'Inter', -apple-system, BlinkMacSystemFont, sans-serif;
  font-weight: 700;
  letter-spacing: -0.02em;
  color: var(--jsc-text-heading) !important;
  -webkit-text-fill-color: var(--jsc-text-heading) !important;
}

h1 { font-size: 2.5rem; }

/* Offset for fixed navbar */
main {
  padding-top: 3.5rem;
}

a { color: var(--jsc-link); }
a:hover { color: var(--jsc-link-hover); }

code { color: var(--jsc-code-color) !important; }
pre { background: var(--jsc-bg-surface) !important; border-radius: 10px; padding: 1rem; }
hr { border-color: var(--jsc-border) !important; opacity: 1; }

.text-muted { color: var(--jsc-text-secondary) !important; }
.text-secondary { color: var(--jsc-text-secondary) !important; }
.text-white { color: var(--jsc-text-heading) !important; }
.bg-dark { background-color: var(--jsc-bg-body) !important; }
.btn-close { filter: var(--jsc-btn-close-filter); }

::selection { background: var(--jsc-selection-bg); color: #ffffff; }

::-webkit-scrollbar { width: 8px; height: 8px; }
::-webkit-scrollbar-track { background: var(--jsc-bg-body); }
::-webkit-scrollbar-thumb { background: var(--jsc-scrollbar-thumb); border-radius: 4px; }
::-webkit-scrollbar-thumb:hover { background: var(--jsc-scrollbar-hover); }
/* =============================================
   JSC 2026 - Navbar (Premium Redesign)
   ============================================= */

/* --- Base navbar: glassmorphism --- */
.navbar {
  background: linear-gradient(
    180deg,
    var(--jsc-bg-navbar),
    rgba(230, 57, 70, 0.03)
  ) !important;
  backdrop-filter: blur(32px) saturate(200%);
  -webkit-backdrop-filter: blur(32px) saturate(200%);
  border-bottom: 1px solid var(--jsc-border);
  padding: 0.65rem 0;
  position: relative;
  transition: background 0.35s ease, box-shadow 0.35s ease;
  z-index: 1030;
}

/* --- Scroll effect: denser glass --- */
.navbar.navbar-scrolled {
  background: linear-gradient(
    180deg,
    var(--jsc-bg-navbar),
    rgba(230, 57, 70, 0.06)
  ) !important;
  box-shadow: 0 4px 24px rgba(0, 0, 0, 0.25), var(--jsc-glow);
  backdrop-filter: blur(40px) saturate(220%);
  -webkit-backdrop-filter: blur(40px) saturate(220%);
}

/* --- Red accent line at bottom --- */
.jsc-navbar-accent {
  position: absolute;
  bottom: 0;
  left: 0;
  width: 100%;
  height: 3px;
  background: linear-gradient(
    90deg,
    transparent,
    var(--jsc-primary) 30%,
    var(--jsc-primary-light) 50%,
    var(--jsc-primary) 70%,
    transparent
  );
  opacity: 0.7;
  pointer-events: none;
}

/* --- Brand: icon + text + sub --- */
.navbar-brand {
  display: flex;
  align-items: center;
  gap: 0.15rem;
  transition: opacity 0.25s ease;
}

.navbar-brand:hover {
  opacity: 0.85;
}

.jsc-brand-icon {
  font-family: "JetBrains Mono", "Fira Code", "SF Mono", monospace;
  font-weight: 700;
  font-size: 1.15rem;
  color: var(--jsc-primary) !important;
  margin-right: 0.3rem;
  user-select: none;
}

.jsc-brand-text {
  font-weight: 800;
  font-size: 1.2rem;
  letter-spacing: 1px;
  color: var(--jsc-text-heading) !important;
}

.jsc-brand-sub {
  font-weight: 500;
  font-size: 1.05rem;
  letter-spacing: 0.5px;
  color: var(--jsc-primary) !important;
  margin-left: 0.1rem;
}

/* --- Nav links --- */
.navbar .nav-link {
  color: var(--jsc-text-secondary) !important;
  font-weight: 500;
  font-size: 0.9rem;
  padding: 0.5rem 1rem !important;
  border-radius: 8px;
  position: relative;
  transition: color 0.25s ease, background 0.25s ease;
}

.navbar .nav-link i,
.navbar .nav-link .fas,
.navbar .nav-link .fa {
  color: var(--jsc-primary);
  opacity: 0.55;
  transition: opacity 0.25s ease;
}

/* Hover: subtle red glow background */
.navbar .nav-link:hover,
.navbar .nav-link:focus {
  color: var(--jsc-text-heading) !important;
  background: rgba(230, 57, 70, 0.08);
  box-shadow: 0 0 12px rgba(230, 57, 70, 0.06);
}

.navbar .nav-link:hover i,
.navbar .nav-link:hover .fas,
.navbar .nav-link:hover .fa {
  opacity: 1;
}

/* Active link: red underline indicator */
.navbar .nav-link.active {
  color: var(--jsc-text-heading) !important;
}

.navbar .nav-link.active::after {
  content: "";
  position: absolute;
  bottom: 2px;
  left: 50%;
  transform: translateX(-50%);
  width: 60%;
  height: 2px;
  background: var(--jsc-gradient);
  border-radius: 2px;
}

.navbar .nav-link.active i,
.navbar .nav-link.active .fas,
.navbar .nav-link.active .fa {
  opacity: 1;
}

/* --- Vertical divider --- */
.jsc-nav-divider {
  width: 1px;
  height: 1.4rem;
  background: var(--jsc-border);
  align-self: center;
  margin: 0 0.5rem;
  flex-shrink: 0;
  opacity: 0.6;
}

/* --- Notification badge (pulsing red dot) --- */
.navbar .badge,
.navbar .notification-badge {
  background: var(--jsc-primary) !important;
  width: 8px;
  height: 8px;
  padding: 0;
  font-size: 0;
  border-radius: 50%;
  position: absolute;
  top: 6px;
  right: 6px;
  border: 2px solid var(--jsc-bg-card);
  animation: jsc-pulse 2s ease-in-out infinite;
}

@keyframes jsc-pulse {
  0%, 100% { box-shadow: 0 0 0 0 rgba(230, 57, 70, 0.5); }
  50%      { box-shadow: 0 0 0 5px rgba(230, 57, 70, 0); }
}

/* --- Mobile toggler --- */
.navbar-toggler {
  border: 1px solid var(--jsc-border) !important;
  border-radius: 8px;
  padding: 0.35rem 0.6rem;
  transition: background 0.25s ease;
}

.navbar-toggler:hover,
.navbar-toggler:focus {
  background: rgba(230, 57, 70, 0.08);
}

.navbar-toggler-icon {
  filter: var(--jsc-btn-close-filter);
}

/* --- Mobile menu (collapsed) --- */
@media (max-width: 991.98px) {
  .navbar-collapse {
    background: var(--jsc-bg-card);
    border: 1px solid var(--jsc-border);
    border-radius: 12px;
    margin-top: 0.75rem;
    padding: 0.75rem;
    box-shadow: var(--jsc-shadow);
  }

  .navbar .nav-link {
    border-radius: 8px;
    padding: 0.6rem 1rem !important;
  }

  .navbar .nav-link.active::after {
    bottom: 4px;
    width: 40%;
  }

  .jsc-nav-divider {
    width: 100%;
    height: 1px;
    margin: 0.4rem 0;
  }
}
/* =============================================
   JSC 2026 - Cards, Modals, Containers
   ============================================= */

.container { max-width: 1200px; }

.card,
.modal-content {
  background: var(--jsc-bg-card) !important;
  border: 1px solid var(--jsc-border) !important;
  border-radius: 14px !important;
  box-shadow: var(--jsc-shadow);
  transition: all 0.3s ease;
}

.card:hover {
  border-color: var(--jsc-border-red) !important;
  box-shadow: var(--jsc-glow-strong);
  transform: translateY(-2px);
}

.modal-content {
  border-radius: 18px !important;
  box-shadow: 0 25px 60px rgba(0, 0, 0, 0.25), var(--jsc-glow);
}

.modal-header {
  border-bottom: 1px solid var(--jsc-border) !important;
  background: var(--jsc-dropdown-hover);
  border-radius: 18px 18px 0 0 !important;
  padding: 1.5rem;
}

.modal-header .modal-title { font-weight: 700; }
.modal-body { padding: 1.5rem; color: var(--jsc-text-primary); }
.modal-footer { border-top: 1px solid var(--jsc-border) !important; padding: 1rem 1.5rem; }

/* Jumbotron / Hero */
.jumbotron {
  background: linear-gradient(180deg, var(--jsc-dropdown-hover) 0%, transparent 100%);
  border-bottom: 1px solid var(--jsc-border);
  padding: 4rem 0 2.5rem;
  margin-bottom: 2rem;
  position: relative;
  overflow: hidden;
}

.jumbotron::before {
  content: '';
  position: absolute;
  top: 0; left: 0; right: 0;
  height: 3px;
  background: var(--jsc-gradient);
}

.jumbotron h1 { font-size: 2.8rem; font-weight: 800; margin-bottom: 0; }

/* Graph containers */
.graph-container {
  background: var(--jsc-bg-card);
  border-radius: 14px;
  border: 1px solid var(--jsc-border);
  padding: 1rem;
}
/* =============================================
   JSC 2026 - Challenge Board & Buttons
   ============================================= */

.challenge-button {
  background: var(--jsc-bg-card) !important;
  border: 1px solid var(--jsc-border) !important;
  border-radius: 14px !important;
  padding: 1.5rem !important;
  transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
  position: relative;
  overflow: hidden;
  animation: fadeInUp 0.4s ease forwards;
}

.challenge-button::before {
  content: '';
  position: absolute;
  top: 0; left: 0; right: 0;
  height: 3px;
  background: var(--jsc-gradient);
  opacity: 0;
  transition: opacity 0.3s ease;
}

.challenge-button:hover {
  background: var(--jsc-bg-card-hover) !important;
  border-color: var(--jsc-border-red) !important;
  box-shadow: var(--jsc-glow-strong);
  transform: translateY(-4px);
}

.challenge-button:hover::before { opacity: 1; }

.challenge-button .challenge-inner p {
  font-weight: 700;
  font-size: 1.05rem;
  color: var(--jsc-text-heading);
  margin-bottom: 0.5rem;
}

.challenge-button .challenge-inner span {
  font-size: 1.4rem;
  font-weight: 800;
  color: var(--jsc-primary) !important;
  -webkit-text-fill-color: var(--jsc-primary) !important;
}

/* Solved state */
.challenge-solved {
  background: var(--jsc-dropdown-hover) !important;
  border-color: var(--jsc-border-red) !important;
}

.challenge-solved::before {
  background: var(--jsc-gradient) !important;
  opacity: 1;
}

.challenge-solved .challenge-inner span {
  color: var(--jsc-primary-light) !important;
  -webkit-text-fill-color: var(--jsc-primary-light) !important;
}

/* Category headers */
.category-header h3 {
  font-size: 1.3rem;
  font-weight: 700;
  padding-bottom: 0.75rem;
  border-bottom: 2px solid var(--jsc-border);
  position: relative;
  display: inline-block;
}

.category-header h3::after {
  content: '';
  position: absolute;
  bottom: -2px; left: 0;
  width: 50px; height: 2px;
  background: var(--jsc-gradient);
}

/* Stagger animation */
.challenge-button:nth-child(1) { animation-delay: 0.05s; }
.challenge-button:nth-child(2) { animation-delay: 0.1s; }
.challenge-button:nth-child(3) { animation-delay: 0.15s; }
.challenge-button:nth-child(4) { animation-delay: 0.2s; }

@keyframes fadeInUp {
  from { opacity: 0; transform: translateY(20px); }
  to { opacity: 1; transform: translateY(0); }
}
/* =============================================
   JSC 2026 - Buttons
   ============================================= */

.btn-primary {
  background: var(--jsc-gradient) !important;
  border: none !important;
  font-weight: 600;
  padding: 0.6rem 1.5rem;
  border-radius: 10px;
  box-shadow: 0 4px 15px rgba(230, 57, 70, 0.25);
  transition: all 0.3s ease;
  color: #ffffff !important;
}

.btn-primary:hover,
.btn-primary:focus {
  box-shadow: 0 6px 25px rgba(230, 57, 70, 0.4);
  transform: translateY(-1px);
  filter: brightness(1.1);
}

.btn-outline-primary {
  color: var(--jsc-primary) !important;
  border-color: var(--jsc-primary) !important;
  border-radius: 10px;
  font-weight: 600;
  background: transparent !important;
}

.btn-outline-primary:hover {
  background: var(--jsc-dropdown-hover) !important;
  color: var(--jsc-primary-light) !important;
}

.btn-secondary {
  background: var(--jsc-btn-secondary-bg) !important;
  border: 1px solid var(--jsc-btn-secondary-border) !important;
  color: var(--jsc-btn-secondary-color) !important;
  border-radius: 10px;
  font-weight: 600;
}

.btn-secondary:hover {
  background: var(--jsc-bg-card-hover) !important;
  color: var(--jsc-text-primary) !important;
}

.btn-success {
  background: var(--jsc-gradient) !important;
  border: none !important;
  color: #ffffff !important;
  font-weight: 700;
  border-radius: 10px;
}

.btn-danger {
  background: linear-gradient(135deg, #c1121f, #8b0000) !important;
  border: none !important;
  border-radius: 10px;
  font-weight: 600;
  color: #ffffff !important;
}

.btn-dark {
  background: var(--jsc-bg-card) !important;
  border: 1px solid var(--jsc-border) !important;
  color: var(--jsc-text-primary) !important;
}
/* =============================================
   JSC 2026 - Forms & Inputs
   ============================================= */

.form-control,
.form-select {
  background: var(--jsc-input-bg) !important;
  border: 1px solid var(--jsc-border) !important;
  color: var(--jsc-text-primary) !important;
  border-radius: 10px !important;
  padding: 0.75rem 1rem !important;
  transition: all 0.25s ease;
  font-size: 0.95rem;
}

.form-control:focus,
.form-select:focus {
  border-color: var(--jsc-primary) !important;
  box-shadow: 0 0 0 3px rgba(230, 57, 70, 0.12) !important;
  outline: none;
}

.form-control::placeholder {
  color: var(--jsc-text-secondary) !important;
  opacity: 0.5;
}

.form-label {
  color: var(--jsc-text-secondary) !important;
  font-weight: 600;
  font-size: 0.85rem;
  text-transform: uppercase;
  letter-spacing: 0.5px;
}
/* =============================================
   JSC 2026 - Tables & Scoreboard
   ============================================= */

.table {
  color: var(--jsc-text-primary) !important;
  border-collapse: separate;
  border-spacing: 0 4px;
}

.table thead th {
  background: var(--jsc-dropdown-hover) !important;
  color: var(--jsc-primary) !important;
  border: none !important;
  font-weight: 700;
  text-transform: uppercase;
  font-size: 0.8rem;
  letter-spacing: 1px;
  padding: 1rem;
}

.table thead th:first-child { border-radius: 10px 0 0 10px; }
.table thead th:last-child { border-radius: 0 10px 10px 0; }

.table tbody tr {
  background: var(--jsc-bg-card);
  transition: all 0.2s ease;
}

.table tbody tr:hover { background: var(--jsc-table-hover); }

.table tbody td {
  border: none !important;
  padding: 0.9rem 1rem;
  vertical-align: middle;
  color: var(--jsc-text-primary) !important;
}

.table tbody tr td:first-child { border-radius: 10px 0 0 10px; }
.table tbody tr td:last-child { border-radius: 0 10px 10px 0; }

/* Scoreboard Podium - Top 3 */
.table tbody tr:nth-child(1) td { background: rgba(255, 215, 0, 0.06); }
.table tbody tr:nth-child(2) td { background: rgba(192, 192, 192, 0.05); }
.table tbody tr:nth-child(3) td { background: rgba(205, 127, 50, 0.05); }
.table tbody tr:nth-child(1) td:first-child { border-left: 3px solid #ffd700; }
.table tbody tr:nth-child(2) td:first-child { border-left: 3px solid #c0c0c0; }
.table tbody tr:nth-child(3) td:first-child { border-left: 3px solid #cd7f32; }
/* =============================================
   JSC 2026 - Small Components
   Badges, Alerts, Pagination, Dropdowns, Tabs,
   Toasts, Breadcrumbs, Footer
   ============================================= */

/* ---- Badges ---- */
.badge { font-weight: 600; padding: 0.4em 0.8em; border-radius: 8px; font-size: 0.8rem; }
.badge.bg-primary, .bg-primary { background: var(--jsc-gradient) !important; color: #ffffff !important; }
.badge.bg-success, .bg-success { background: var(--jsc-gradient) !important; color: #ffffff !important; }
.badge.bg-danger { background: linear-gradient(135deg, #c1121f, #8b0000) !important; }

/* ---- Alerts ---- */
.alert { border-radius: 12px; border: none; }
.alert-success { background: rgba(230, 57, 70, 0.08) !important; color: var(--jsc-primary) !important; border: 1px solid rgba(230, 57, 70, 0.2) !important; }
.alert-danger { background: rgba(193, 18, 31, 0.08) !important; color: var(--jsc-primary-dark) !important; border: 1px solid rgba(193, 18, 31, 0.2) !important; }
.alert-warning { background: rgba(255, 221, 87, 0.08) !important; color: #b8860b !important; border: 1px solid rgba(255, 221, 87, 0.2) !important; }
.alert-info { background: var(--jsc-dropdown-hover) !important; color: var(--jsc-text-primary) !important; border: 1px solid var(--jsc-border) !important; }

/* ---- Pagination ---- */
.page-link {
  background: var(--jsc-bg-card) !important;
  border-color: var(--jsc-border) !important;
  color: var(--jsc-text-secondary) !important;
  border-radius: 8px !important;
  margin: 0 3px;
  transition: all 0.25s ease;
}
.page-link:hover { background: var(--jsc-dropdown-hover) !important; color: var(--jsc-primary) !important; border-color: var(--jsc-border-red) !important; }
.page-item.active .page-link { background: var(--jsc-gradient) !important; border-color: transparent !important; color: #ffffff !important; }

/* ---- Dropdowns ---- */
.dropdown-menu {
  background: var(--jsc-bg-card) !important;
  border: 1px solid var(--jsc-border) !important;
  border-radius: 12px !important;
  box-shadow: 0 10px 40px rgba(0, 0, 0, 0.15);
  padding: 0.5rem;
}
.dropdown-item { color: var(--jsc-text-secondary) !important; border-radius: 8px; padding: 0.5rem 1rem; transition: all 0.2s ease; }
.dropdown-item:hover { background: var(--jsc-dropdown-hover) !important; color: var(--jsc-text-primary) !important; }

/* ---- Tabs ---- */
.tab-content {
  background: var(--jsc-bg-card);
  border-radius: 0 0 14px 14px;
  border: 1px solid var(--jsc-border);
  border-top: none;
  padding: 1.5rem;
}
.nav-tabs { border-bottom: 2px solid var(--jsc-border) !important; }
.nav-tabs .nav-link { color: var(--jsc-text-secondary) !important; border: none !important; font-weight: 600; padding: 0.75rem 1.25rem; border-radius: 10px 10px 0 0; transition: all 0.25s ease; }
.nav-tabs .nav-link:hover { color: var(--jsc-primary) !important; background: var(--jsc-dropdown-hover); }
.nav-tabs .nav-link.active { color: var(--jsc-primary) !important; background: var(--jsc-bg-card) !important; border-bottom: 2px solid var(--jsc-primary) !important; }

/* ---- Toasts / Snackbar ---- */
.snackbar { border-radius: 12px !important; background: var(--jsc-bg-card) !important; border: 1px solid var(--jsc-border) !important; box-shadow: 0 10px 40px rgba(0, 0, 0, 0.2); }
.toast { background: var(--jsc-bg-card) !important; border: 1px solid var(--jsc-border) !important; color: var(--jsc-text-primary) !important; }
.toast-header { background: var(--jsc-dropdown-hover) !important; color: var(--jsc-text-heading) !important; border-bottom: 1px solid var(--jsc-border) !important; }

/* ---- Breadcrumbs ---- */
.breadcrumb { background: transparent !important; }
.breadcrumb-item a { color: var(--jsc-primary) !important; }
.breadcrumb-item.active { color: var(--jsc-text-secondary) !important; }

/* ---- Footer ---- */
.footer { background: var(--jsc-footer-bg) !important; border-top: 1px solid var(--jsc-border); padding: 1.5rem 0; }
.footer .text-muted, .footer a, .footer span { color: var(--jsc-text-secondary) !important; }

/* ---- Bracket Badges ---- */
.bracket-label { display: inline-block; padding: 0.25em 0.75em; border-radius: 20px; font-size: 0.75rem; font-weight: 700; text-transform: uppercase; letter-spacing: 0.5px; }
.bracket-junior { background: rgba(230, 57, 70, 0.1); color: var(--jsc-primary); border: 1px solid rgba(230, 57, 70, 0.25); }
.bracket-senior { background: var(--jsc-btn-secondary-bg); color: var(--jsc-text-secondary); border: 1px solid var(--jsc-btn-secondary-border); }

/* ---- Responsive ---- */
@media (max-width: 768px) {
  .jumbotron h1 { font-size: 2rem; }
  .challenge-button { border-radius: 12px !important; }
  .navbar { padding: 0.5rem 0; }
}

/* ---- Nav Pills (scoreboard brackets) ---- */
.nav-pills .nav-link {
  color: var(--jsc-text-secondary) !important;
  border-radius: 10px;
  font-weight: 600;
  padding: 0.5rem 1.2rem;
  transition: all 0.25s ease;
}

.nav-pills .nav-link:hover {
  color: var(--jsc-primary) !important;
  background: var(--jsc-dropdown-hover);
}

.nav-pills .nav-link.active {
  background: var(--jsc-gradient) !important;
  color: #ffffff !important;
}

/* ---- Secondary badge ---- */
.badge.bg-secondary {
  background: var(--jsc-btn-secondary-bg) !important;
  color: var(--jsc-text-secondary) !important;
  border: 1px solid var(--jsc-btn-secondary-border);
}

/* ---- Spinner ---- */
.spinner, .fa-spin {
  color: var(--jsc-primary) !important;
}

/* ---- Progress bars (profiles) ---- */
.progress {
  background: var(--jsc-bg-surface) !important;
  border-radius: 8px;
  overflow: hidden;
  height: 8px;
}

.progress-bar {
  background: var(--jsc-gradient) !important;
  border-radius: 8px;
}

/* ---- Graph/Chart containers ---- */
[id*="score-graph"],
[id*="solve-graph"],
[id*="category-graph"] {
  background: var(--jsc-bg-card);
  border: 1px solid var(--jsc-border);
  border-radius: 14px;
  padding: 1rem;
}

/* ---- Card tertiary background (notifications) ---- */
.bg-body-tertiary {
  background: var(--jsc-bg-card) !important;
  border: 1px solid var(--jsc-border) !important;
  border-radius: 14px !important;
}

/* ---- Blockquote (notification content) ---- */
blockquote {
  border-left: 3px solid var(--jsc-primary) !important;
  padding-left: 1rem;
  margin-left: 0;
}

/* ---- Card body inside custom cards ---- */
.card-body { color: var(--jsc-text-primary); }
.card-title { color: var(--jsc-text-heading) !important; -webkit-text-fill-color: var(--jsc-text-heading) !important; }
/* =============================================
   JSC 2026 - Sound Effects UI
   First blood toasts, solve toasts, sound toggle
   ============================================= */

/* ---- First Blood Toast ---- */
.jsc-first-blood-toast {
  position: fixed;
  top: 80px;
  left: 50%;
  transform: translateX(-50%) translateY(-30px);
  opacity: 0;
  z-index: 99999;
  pointer-events: none;
  transition: all 0.5s cubic-bezier(0.34, 1.56, 0.64, 1);
  min-width: 380px;
  max-width: 500px;
}

.jsc-first-blood-toast.fb-visible {
  opacity: 1;
  transform: translateX(-50%) translateY(0);
  pointer-events: auto;
}

.jsc-first-blood-toast.fb-hiding {
  opacity: 0;
  transform: translateX(-50%) translateY(-30px);
  transition: all 0.4s ease-in;
}

.fb-content {
  background: linear-gradient(135deg, rgba(230, 57, 70, 0.15), rgba(20, 20, 20, 0.95));
  backdrop-filter: blur(24px);
  -webkit-backdrop-filter: blur(24px);
  border: 1px solid rgba(230, 57, 70, 0.4);
  border-radius: 16px;
  padding: 1.2rem 1.5rem;
  display: flex;
  align-items: center;
  gap: 1rem;
  box-shadow:
    0 0 40px rgba(230, 57, 70, 0.2),
    0 0 80px rgba(230, 57, 70, 0.1),
    0 20px 60px rgba(0, 0, 0, 0.5);
  animation: fb-pulse 2s ease-in-out infinite;
  position: relative;
}

@keyframes fb-pulse {
  0%, 100% { box-shadow: 0 0 40px rgba(230, 57, 70, 0.2), 0 0 80px rgba(230, 57, 70, 0.1), 0 20px 60px rgba(0, 0, 0, 0.5); }
  50% { box-shadow: 0 0 60px rgba(230, 57, 70, 0.35), 0 0 100px rgba(230, 57, 70, 0.15), 0 20px 60px rgba(0, 0, 0, 0.5); }
}

.fb-icon { flex-shrink: 0; animation: fb-spin 1s ease-out; }

@keyframes fb-spin {
  0% { transform: rotate(-15deg) scale(0); opacity: 0; }
  50% { transform: rotate(10deg) scale(1.2); opacity: 1; }
  100% { transform: rotate(0deg) scale(1); opacity: 1; }
}

.fb-text { flex: 1; min-width: 0; }

.fb-title {
  font-size: 1.1rem;
  font-weight: 900;
  text-transform: uppercase;
  letter-spacing: 3px;
  background: linear-gradient(135deg, #e63946, #ff4d5a, #e63946);
  background-size: 200% auto;
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
  animation: fb-shimmer 2s linear infinite;
  line-height: 1.3;
}

@keyframes fb-shimmer {
  0% { background-position: 0% center; }
  100% { background-position: 200% center; }
}

.fb-detail { font-size: 0.9rem; color: #f0f0f0; margin-top: 4px; }
.fb-solver { font-weight: 700; color: #ffffff; }
.fb-challenge { font-weight: 700; color: #ff4d5a; }
.fb-meta { font-size: 0.75rem; color: #999999; margin-top: 2px; }

.fb-close {
  position: absolute;
  top: 8px; right: 12px;
  background: none; border: none;
  color: #999999;
  font-size: 1.2rem;
  cursor: pointer;
  opacity: 0.5;
  transition: opacity 0.2s;
  line-height: 1;
}

.fb-close:hover { opacity: 1; color: #e63946; }

.fb-progress {
  height: 3px;
  background: linear-gradient(90deg, #e63946, #c1121f);
  border-radius: 0 0 16px 16px;
  margin-top: -3px;
  animation: fb-countdown 8s linear forwards;
  transform-origin: left;
}

@keyframes fb-countdown {
  0% { transform: scaleX(1); }
  100% { transform: scaleX(0); }
}

/* ---- Solve Toast (correct / wrong) ---- */
.jsc-solve-toast {
  position: fixed;
  bottom: 30px; right: 30px;
  z-index: 99998;
  display: flex;
  align-items: center;
  gap: 12px;
  padding: 1rem 1.5rem;
  border-radius: 14px;
  backdrop-filter: blur(20px);
  -webkit-backdrop-filter: blur(20px);
  opacity: 0;
  transform: translateY(20px) scale(0.95);
  transition: all 0.4s cubic-bezier(0.34, 1.56, 0.64, 1);
  pointer-events: auto;
  max-width: 400px;
  box-shadow: 0 10px 40px rgba(0, 0, 0, 0.4);
}

.jsc-solve-toast.st-visible { opacity: 1; transform: translateY(0) scale(1); }

.jsc-solve-correct { background: rgba(230, 57, 70, 0.1); border: 1px solid rgba(230, 57, 70, 0.3); }
.jsc-solve-correct .st-icon { color: #e63946; font-size: 1.5rem; font-weight: 900; text-shadow: 0 0 20px rgba(230, 57, 70, 0.5); }
.jsc-solve-correct .st-text { color: #f0f0f0; font-weight: 600; }

.jsc-solve-wrong { background: rgba(255, 255, 255, 0.05); border: 1px solid rgba(255, 255, 255, 0.12); }
.jsc-solve-wrong .st-icon { color: #ff4d5a; font-size: 1.5rem; font-weight: 900; text-shadow: 0 0 20px rgba(230, 57, 70, 0.4); animation: shake 0.5s ease; }
.jsc-solve-wrong .st-text { color: #cccccc; font-weight: 600; }

@keyframes shake {
  0%, 100% { transform: translateX(0); }
  20% { transform: translateX(-5px); }
  40% { transform: translateX(5px); }
  60% { transform: translateX(-3px); }
  80% { transform: translateX(3px); }
}

/* ---- Sound Toggle Button ---- */
.sound-toggle-btn {
  background: none !important;
  border: none !important;
  color: #999999 !important;
  transition: color 0.2s ease;
}

.sound-toggle-btn:hover { color: #e63946 !important; }

/* ---- Responsive ---- */
@media (max-width: 576px) {
  .jsc-first-blood-toast { min-width: auto; width: calc(100% - 30px); }
  .jsc-solve-toast { right: 15px; bottom: 15px; left: 15px; max-width: none; }
}
/* =============================================
   JSC 2026 - Custom Pages (rules, about, etc.)
   Fix navbar overlap + page hero styling
   ============================================= */

/* ---- Page Hero (replaces jumbotron for custom pages) ---- */
.jsc-page-hero {
  background: linear-gradient(180deg, var(--jsc-dropdown-hover) 0%, transparent 100%);
  border-bottom: 1px solid var(--jsc-border);
  padding: 3rem 0 2rem;
  text-align: center;
  position: relative;
}

.jsc-page-hero::before {
  content: '';
  position: absolute;
  top: 0; left: 0; right: 0;
  height: 3px;
  background: var(--jsc-gradient);
}

.jsc-page-hero h1 {
  font-size: 2rem;
  font-weight: 800;
  margin: 0;
}

/* ---- Page Body ---- */
.jsc-page-body {
  padding: 2.5rem 0 4rem;
  max-width: 900px;
}

/* ---- Rules page specific styles ---- */
.jsc-page-body h2 {
  font-size: 1.25rem;
  font-weight: 700;
  margin-top: 2.5rem;
  padding-bottom: 0.6rem;
  border-bottom: 2px solid var(--jsc-border);
  position: relative;
}

.jsc-page-body h2::after {
  content: '';
  position: absolute;
  bottom: -2px; left: 0;
  width: 50px; height: 2px;
  background: var(--jsc-gradient);
}

.jsc-page-body h3 {
  font-size: 1.1rem;
  font-weight: 700;
}

.jsc-page-body h4 {
  font-size: 1rem;
  font-weight: 700;
}

.jsc-page-body ol,
.jsc-page-body ul {
  line-height: 2;
  font-size: 0.95rem;
}

.jsc-page-body p {
  font-size: 0.95rem;
  line-height: 1.7;
}

.jsc-page-body code {
  background: rgba(230, 57, 70, 0.08);
  padding: 0.25em 0.5em;
  border-radius: 6px;
  font-size: 0.9em;
}

/* ---- Info/Warning box ---- */
.jsc-page-body .jsc-notice {
  border-radius: 12px;
  padding: 1.5rem;
  margin-bottom: 2rem;
}

/* ---- Category badges inline ---- */
.jsc-page-body .jsc-badge {
  display: inline-block;
  background: rgba(230, 57, 70, 0.1);
  color: var(--jsc-primary);
  padding: 0.4em 0.8em;
  border-radius: 8px;
  font-size: 0.85rem;
  font-weight: 600;
  margin: 0.25rem;
}

/* ---- Bracket cards ---- */
.jsc-page-body .jsc-bracket-card {
  flex: 1;
  min-width: 250px;
  border-radius: 12px;
  padding: 1.5rem;
  border: 1px solid var(--jsc-border);
  background: var(--jsc-bg-card);
}

.jsc-page-body .jsc-bracket-card h4 {
  margin-top: 0;
}
/* JSC 2026 - Error Pages (403, 404, 429, 500, 502) */

.jsc-error-page {
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  min-height: 60vh;
  text-align: center;
  padding: 2rem 1rem;
  position: relative;
  overflow: hidden;
}

/* Glitch background text */
.jsc-error-glitch {
  position: absolute;
  font-size: 25vw;
  font-weight: 900;
  font-family: 'Inter', monospace;
  color: transparent;
  -webkit-text-stroke: 1px rgba(230, 57, 70, 0.06);
  pointer-events: none;
  user-select: none;
  z-index: 0;
  animation: error-drift 8s ease-in-out infinite alternate;
}

@keyframes error-drift {
  0% { transform: translate(-5%, -10%) rotate(-2deg); opacity: 0.5; }
  100% { transform: translate(5%, 10%) rotate(2deg); opacity: 1; }
}

/* Main error code */
.jsc-error-code {
  font-size: 6rem;
  font-weight: 900;
  font-family: 'Courier New', monospace;
  color: var(--jsc-primary);
  line-height: 1;
  position: relative;
  z-index: 1;
  animation: error-glitch-text 4s infinite linear alternate-reverse;
}

@keyframes error-glitch-text {
  0%, 90%, 100% { transform: skew(0deg); text-shadow: none; }
  92% { transform: skew(2deg); text-shadow: -3px 0 var(--jsc-primary-dark), 3px 0 rgba(255,255,255,0.1); }
  94% { transform: skew(-1deg); text-shadow: 2px 0 var(--jsc-primary), -2px 0 rgba(255,255,255,0.05); }
  96% { transform: skew(0deg); text-shadow: none; }
}

/* Terminal prompt */
.jsc-error-terminal {
  font-family: 'Courier New', monospace;
  font-size: 0.85rem;
  color: var(--jsc-text-secondary);
  margin-top: 1rem;
  opacity: 0.6;
  position: relative;
  z-index: 1;
}

.jsc-error-prompt {
  color: var(--jsc-primary);
  font-weight: 700;
}

/* Title & description */
.jsc-error-title {
  font-size: 1.5rem;
  font-weight: 700;
  margin-top: 1.5rem;
  position: relative;
  z-index: 1;
}

.jsc-error-desc {
  font-size: 0.95rem;
  color: var(--jsc-text-secondary);
  max-width: 450px;
  margin-top: 0.5rem;
  line-height: 1.6;
  position: relative;
  z-index: 1;
}

/* Action buttons */
.jsc-error-actions {
  display: flex;
  gap: 1rem;
  margin-top: 2rem;
  position: relative;
  z-index: 1;
}

@media (max-width: 768px) {
  .jsc-error-code { font-size: 4rem; }
  .jsc-error-glitch { font-size: 40vw; }
}
/* =============================================
   JSC 2026 - Scoreboard + Cybermap + Live Feed
   ============================================= */

/* ---- Cybermap Section ---- */
.jsc-cybermap-section {
  position: relative;
  width: 100%;
  height: 45vh;
  min-height: 320px;
  max-height: 500px;
  overflow: hidden;
  border-bottom: 1px solid var(--jsc-border);
}

.jsc-cybermap-container {
  position: absolute;
  top: 0; left: 0; right: 0; bottom: 0;
  z-index: 0;
}

.jsc-cybermap-container canvas {
  width: 100%;
  height: 100%;
  display: block;
}

.jsc-cybermap-overlay {
  position: absolute;
  top: 0; left: 0; right: 0; bottom: 0;
  display: flex;
  align-items: center;
  justify-content: center;
  text-align: center;
  z-index: 2;
  background: radial-gradient(ellipse at center, rgba(11,11,11,0.4) 0%, rgba(11,11,11,0.8) 100%);
  pointer-events: none;
}

.jsc-cybermap-overlay .glitch {
  pointer-events: auto;
}

/* ---- Score Graph ---- */
.jsc-score-graph {
  background: var(--jsc-bg-card);
  border: 1px solid var(--jsc-border);
  border-radius: 14px;
  padding: 1rem;
  min-height: 300px;
  margin-bottom: 1.5rem;
}

/* ---- Live Feed ---- */
.jsc-live-feed {
  background: var(--jsc-bg-card);
  border: 1px solid var(--jsc-border);
  border-radius: 14px;
  padding: 1rem 1.5rem;
  margin-bottom: 2rem;
  max-height: 280px;
  overflow: hidden;
}

.jsc-live-indicator {
  display: flex;
  align-items: center;
  gap: 0.5rem;
  font-family: 'Courier New', monospace;
  font-size: 0.75rem;
  font-weight: 700;
  letter-spacing: 2px;
  color: var(--jsc-primary);
  text-transform: uppercase;
  margin-bottom: 0.75rem;
  padding-bottom: 0.5rem;
  border-bottom: 1px solid var(--jsc-border);
}

.jsc-live-dot {
  width: 8px;
  height: 8px;
  border-radius: 50%;
  background: var(--jsc-primary);
  animation: live-blink 1.5s ease-in-out infinite;
  box-shadow: 0 0 8px var(--jsc-primary);
}

@keyframes live-blink {
  0%, 100% { opacity: 1; }
  50% { opacity: 0.3; }
}

.jsc-feed-items {
  display: flex;
  flex-direction: column;
  gap: 0.4rem;
}

.jsc-feed-empty {
  text-align: center;
  padding: 1rem;
  font-size: 0.85rem;
  font-style: italic;
}

.jsc-feed-item {
  display: flex;
  align-items: center;
  gap: 0.5rem;
  padding: 0.5rem 0.75rem;
  border-radius: 8px;
  background: var(--jsc-bg-surface);
  font-size: 0.85rem;
  opacity: 0;
  transform: translateX(-10px);
  transition: all 0.3s ease;
  flex-wrap: wrap;
}

.jsc-feed-item.jsc-feed-visible {
  opacity: 1;
  transform: translateX(0);
}

.jsc-feed-firstblood {
  background: rgba(230, 57, 70, 0.08);
  border: 1px solid rgba(230, 57, 70, 0.15);
}

.jsc-feed-fb {
  font-family: 'Courier New', monospace;
  font-size: 0.7rem;
  font-weight: 900;
  color: var(--jsc-primary);
  letter-spacing: 1px;
  padding: 0.15em 0.5em;
  border: 1px solid var(--jsc-primary);
  border-radius: 4px;
}

.jsc-feed-solver {
  font-weight: 700;
  color: var(--jsc-text-heading);
}

.jsc-feed-challenge {
  font-weight: 600;
  color: var(--jsc-primary);
}

.jsc-feed-points {
  font-family: 'Courier New', monospace;
  font-weight: 700;
  color: var(--jsc-primary);
  font-size: 0.8rem;
}

.jsc-feed-time {
  margin-left: auto;
  font-family: 'Courier New', monospace;
  font-size: 0.75rem;
  color: var(--jsc-text-secondary);
  opacity: 0.5;
}

/* ---- Score value in table ---- */
.jsc-score-value {
  font-family: 'Courier New', monospace;
  font-weight: 700;
  color: var(--jsc-primary);
}

/* ---- Responsive ---- */
@media (max-width: 768px) {
  .jsc-cybermap-section {
    height: 30vh;
    min-height: 220px;
  }

  .jsc-live-feed {
    max-height: 200px;
  }

  .jsc-feed-time {
    display: none;
  }
}
/* =============================================
   JSC 2026 - Glitch / Hacker Animations
   Used on login, register, and landing pages
   ============================================= */

/* ---- Matrix Rain Background ---- */
.jsc-hero {
  position: relative;
  overflow: hidden;
  padding: 5rem 0 3rem;
  min-height: 320px;
  display: flex;
  align-items: center;
  border-bottom: 1px solid var(--jsc-border);
}

.jsc-hero::before {
  content: '';
  position: absolute;
  top: 0; left: 0; right: 0;
  height: 3px;
  background: var(--jsc-gradient);
  z-index: 2;
}

.jsc-hero-bg {
  position: absolute;
  top: 0; left: 0; right: 0; bottom: 0;
  overflow: hidden;
  z-index: 0;
}

.jsc-hero-content {
  position: relative;
  z-index: 2;
}

/* ---- Glitch Title ---- */
.glitch-wrapper {
  display: inline-block;
  position: relative;
}

.glitch {
  font-family: 'Inter', monospace;
  font-size: 3.2rem;
  font-weight: 900;
  letter-spacing: 2px;
  text-transform: uppercase;
  color: var(--jsc-text-heading) !important;
  -webkit-text-fill-color: var(--jsc-text-heading) !important;
  position: relative;
  display: inline-block;
  animation: glitch-skew 4s infinite linear alternate-reverse;
}

.glitch::before,
.glitch::after {
  content: attr(data-text);
  position: absolute;
  top: 0; left: 0;
  width: 100%; height: 100%;
  overflow: hidden;
}

.glitch::before {
  color: var(--jsc-primary);
  -webkit-text-fill-color: var(--jsc-primary);
  animation: glitch-before 3s infinite linear alternate-reverse;
  clip-path: polygon(0 0, 100% 0, 100% 35%, 0 35%);
  text-shadow: -2px 0 var(--jsc-primary);
}

.glitch::after {
  color: var(--jsc-text-heading);
  -webkit-text-fill-color: var(--jsc-text-heading);
  animation: glitch-after 2s infinite linear alternate-reverse;
  clip-path: polygon(0 65%, 100% 65%, 100% 100%, 0 100%);
  text-shadow: 2px 0 var(--jsc-primary-dark);
}

@keyframes glitch-before {
  0%   { clip-path: polygon(0 0, 100% 0, 100% 35%, 0 35%); transform: translate(0); }
  20%  { clip-path: polygon(0 15%, 100% 15%, 100% 55%, 0 55%); transform: translate(-3px, 1px); }
  40%  { clip-path: polygon(0 30%, 100% 30%, 100% 70%, 0 70%); transform: translate(2px, -1px); }
  60%  { clip-path: polygon(0 5%, 100% 5%, 100% 45%, 0 45%); transform: translate(-1px, 2px); }
  80%  { clip-path: polygon(0 40%, 100% 40%, 100% 80%, 0 80%); transform: translate(3px, 0); }
  100% { clip-path: polygon(0 0, 100% 0, 100% 35%, 0 35%); transform: translate(0); }
}

@keyframes glitch-after {
  0%   { clip-path: polygon(0 65%, 100% 65%, 100% 100%, 0 100%); transform: translate(0); }
  20%  { clip-path: polygon(0 45%, 100% 45%, 100% 85%, 0 85%); transform: translate(2px, -2px); }
  40%  { clip-path: polygon(0 55%, 100% 55%, 100% 95%, 0 95%); transform: translate(-3px, 1px); }
  60%  { clip-path: polygon(0 70%, 100% 70%, 100% 100%, 0 100%); transform: translate(1px, -1px); }
  80%  { clip-path: polygon(0 60%, 100% 60%, 100% 90%, 0 90%); transform: translate(-2px, 2px); }
  100% { clip-path: polygon(0 65%, 100% 65%, 100% 100%, 0 100%); transform: translate(0); }
}

@keyframes glitch-skew {
  0%   { transform: skew(0deg); }
  20%  { transform: skew(0deg); }
  21%  { transform: skew(2deg); }
  22%  { transform: skew(-1deg); }
  23%  { transform: skew(0deg); }
  48%  { transform: skew(0deg); }
  49%  { transform: skew(-3deg); }
  50%  { transform: skew(1deg); }
  51%  { transform: skew(0deg); }
  75%  { transform: skew(0deg); }
  76%  { transform: skew(1deg); }
  77%  { transform: skew(0deg); }
  100% { transform: skew(0deg); }
}

/* ---- Subtitle typing effect ---- */
.typing-text {
  font-family: 'Courier New', monospace;
  font-size: 1rem;
  color: var(--jsc-primary);
  margin-top: 1rem;
  overflow: hidden;
  white-space: nowrap;
  border-right: 2px solid var(--jsc-primary);
  animation: typing 3s steps(40, end), blink-caret 0.7s step-end infinite;
  max-width: fit-content;
}

@keyframes typing {
  from { width: 0; }
  to { width: 100%; }
}

@keyframes blink-caret {
  0%, 100% { border-color: var(--jsc-primary); }
  50% { border-color: transparent; }
}

/* ---- Scanline overlay ---- */
.scanlines {
  position: absolute;
  top: 0; left: 0; right: 0; bottom: 0;
  background: repeating-linear-gradient(
    0deg,
    transparent,
    transparent 2px,
    rgba(0, 0, 0, 0.03) 2px,
    rgba(0, 0, 0, 0.03) 4px
  );
  pointer-events: none;
  z-index: 1;
  animation: scanline-move 8s linear infinite;
}

@keyframes scanline-move {
  0% { background-position: 0 0; }
  100% { background-position: 0 100px; }
}

/* ---- Floating particles ---- */
.particle {
  position: absolute;
  font-family: 'Courier New', monospace;
  font-size: 14px;
  color: var(--jsc-primary);
  opacity: 0;
  pointer-events: none;
  animation: particle-fall linear infinite;
  z-index: 0;
}

@keyframes particle-fall {
  0% { opacity: 0; transform: translateY(-20px); }
  10% { opacity: 0.4; }
  90% { opacity: 0.1; }
  100% { opacity: 0; transform: translateY(320px); }
}

/* ---- CRT flicker ---- */
.crt-flicker {
  animation: crt 0.1s infinite;
}

@keyframes crt {
  0%   { opacity: 1; }
  50%  { opacity: 0.98; }
  100% { opacity: 1; }
}

/* ---- Glitch horizontal bar ---- */
.glitch-bar {
  position: absolute;
  left: 0; right: 0;
  height: 2px;
  background: var(--jsc-primary);
  opacity: 0;
  z-index: 1;
  animation: glitch-bar-anim 6s infinite;
}

@keyframes glitch-bar-anim {
  0%   { opacity: 0; top: 0; }
  5%   { opacity: 0.5; top: 15%; }
  6%   { opacity: 0; }
  30%  { opacity: 0; }
  31%  { opacity: 0.3; top: 60%; }
  32%  { opacity: 0; }
  60%  { opacity: 0; }
  61%  { opacity: 0.6; top: 35%; }
  63%  { opacity: 0; }
  100% { opacity: 0; }
}

/* ---- Login/Register card ---- */
.jsc-auth-card {
  background: var(--jsc-bg-card) !important;
  border: 1px solid var(--jsc-border) !important;
  border-radius: 16px;
  padding: 2.5rem;
  box-shadow: var(--jsc-shadow);
  position: relative;
  overflow: hidden;
}

.jsc-auth-card::before {
  content: '';
  position: absolute;
  top: 0; left: 0; right: 0;
  height: 3px;
  background: var(--jsc-gradient);
}

.jsc-auth-card h2 {
  font-size: 1.5rem;
  font-weight: 700;
  margin-bottom: 1.5rem;
  color: var(--jsc-text-heading) !important;
  -webkit-text-fill-color: var(--jsc-text-heading) !important;
}

/* ---- Decorative terminal prompt ---- */
.terminal-prompt {
  font-family: 'Courier New', monospace;
  font-size: 0.8rem;
  color: var(--jsc-text-secondary);
  margin-bottom: 1.5rem;
  opacity: 0.6;
}

.terminal-prompt span {
  color: var(--jsc-primary);
}

/* ---- Stats boxes on hero ---- */
.jsc-stats {
  display: flex;
  gap: 2rem;
  margin-top: 2rem;
  flex-wrap: wrap;
}

.jsc-stat {
  text-align: center;
}

.jsc-stat-value {
  font-family: 'Courier New', monospace;
  font-size: 2rem;
  font-weight: 900;
  color: var(--jsc-primary);
  line-height: 1;
}

.jsc-stat-label {
  font-size: 0.75rem;
  text-transform: uppercase;
  letter-spacing: 1px;
  color: var(--jsc-text-secondary);
  margin-top: 4px;
}

/* ---- Responsive ---- */
@media (max-width: 768px) {
  .glitch {
    font-size: 2rem;
  }

  .jsc-hero {
    padding: 3rem 0 2rem;
    min-height: 240px;
  }

  .typing-text {
    font-size: 0.85rem;
  }

  .jsc-stats {
    gap: 1.5rem;
  }

  .jsc-stat-value {
    font-size: 1.5rem;
  }
}
/* =============================================
   JSC 2026 - Countdown Timer (Navbar)
   ============================================= */

.jsc-countdown {
  display: flex;
  align-items: center;
  gap: 0.4rem;
  padding: 0.25rem 0.65rem;
  margin-left: 0.5rem;
  border-radius: 6px;
  background: var(--jsc-btn-secondary-bg);
  border: 1px solid var(--jsc-border);
  white-space: nowrap;
  line-height: 1;
}

.jsc-countdown-label {
  font-size: 0.6rem;
  font-weight: 700;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--jsc-text-secondary);
}

.jsc-countdown-time {
  font-family: 'Courier New', Courier, monospace;
  font-size: 0.8rem;
  font-weight: 700;
  color: var(--jsc-text-primary);
}

/* Upcoming: cyan/green accent */
.jsc-countdown-upcoming .jsc-countdown-time {
  color: #00e5a0;
}

/* Live: red pulsing */
.jsc-countdown-live {
  border-color: var(--jsc-border-red);
}

.jsc-countdown-live .jsc-countdown-time {
  color: var(--jsc-primary-light);
}

.jsc-countdown-dot {
  width: 7px;
  height: 7px;
  border-radius: 50%;
  background: var(--jsc-primary);
  flex-shrink: 0;
  animation: jsc-pulse 1.4s ease-in-out infinite;
}

@keyframes jsc-pulse {
  0%, 100% { opacity: 1; }
  50%      { opacity: 0.3; }
}

/* Ended / TBA: muted */
.jsc-countdown-ended .jsc-countdown-time {
  color: var(--jsc-text-secondary);
}

/* Responsive: hide label on small screens */
@media (max-width: 767.98px) {
  .jsc-countdown {
    margin-left: 0;
    margin-top: 0.4rem;
  }
  .jsc-countdown-label {
    display: none;
  }
}
/* ========================
   Challenge Difficulty Badges
   ======================== */

.challenge-button.jsc-diff-easy {
  border-left: 3px solid #2ecc71;
  background: linear-gradient(90deg, rgba(46, 204, 113, 0.08) 0%, transparent 40%);
}

.challenge-button.jsc-diff-medium {
  border-left: 3px solid #f39c12;
  background: linear-gradient(90deg, rgba(243, 156, 18, 0.08) 0%, transparent 40%);
}

.challenge-button.jsc-diff-hard {
  border-left: 3px solid #e63946;
  background: linear-gradient(90deg, rgba(230, 57, 70, 0.1) 0%, transparent 40%);
}

.challenge-button.jsc-diff-insane {
  border-left: 3px solid #8b0000;
  background: linear-gradient(90deg, rgba(139, 0, 0, 0.12) 0%, transparent 40%);
  box-shadow: 0 0 8px rgba(139, 0, 0, 0.3), inset 0 0 6px rgba(139, 0, 0, 0.1);
}

/* Difficulty badge label */
.jsc-diff-badge {
  display: inline-block;
  font-size: 0.6rem;
  font-weight: 700;
  letter-spacing: 0.05em;
  text-transform: uppercase;
  padding: 1px 6px;
  border-radius: 3px;
  margin-left: 6px;
  vertical-align: middle;
  line-height: 1.6;
}

.jsc-diff-easy .jsc-diff-badge {
  background: rgba(46, 204, 113, 0.2);
  color: #2ecc71;
}

.jsc-diff-medium .jsc-diff-badge {
  background: rgba(243, 156, 18, 0.2);
  color: #f39c12;
}

.jsc-diff-hard .jsc-diff-badge {
  background: rgba(230, 57, 70, 0.2);
  color: #e63946;
}

.jsc-diff-insane .jsc-diff-badge {
  background: rgba(139, 0, 0, 0.25);
  color: #ff4d5a;
}