@import url('https://fonts.googleapis.com/css2?family=JetBrains+Mono:wght@400;500;700&display=swap');
 
:root {
  --ex-bg:        #0e0e12;
  --ex-bg2:       #13131a;
  --ex-bg3:       #0a0a10;
  --ex-border:    #1e1e2e;
  --ex-border2:   #2a2a3a;
  --ex-purple:    #7c3aed;
  --ex-purple-lt: #a78bfa;
  --ex-purple-dk: #4c1d95;
  --ex-purple-bg: #1e1b4b;
  --ex-cyan:      #22d3ee;
  --ex-green:     #4ade80;
  --ex-orange:    #fb923c;
  --ex-pink:      #e879f9;
  --ex-red:       #f87171;
  --ex-blue:      #38bdf8;
  --ex-text:      #e2e8f0;
  --ex-muted:     #94a3b8;
  --ex-dim:       #4b5563;
  --ex-font:      'JetBrains Mono', monospace;
}

body {
  background-color: var(--ex-bg) !important;
  color: var(--ex-text) !important;
  font-family: var(--ex-font) !important;
}

a { color: var(--ex-purple-lt) !important; text-decoration: none !important; }
a:hover { color: var(--ex-cyan) !important; }
 
h1, h2, h3, h4, h5, h6 {
  font-family: var(--ex-font) !important;
  color: var(--ex-text) !important;
  font-weight: 700 !important;
  letter-spacing: 1px;
}
 
/* - Navbar - */
.navbar, nav.navbar {
  background-color: var(--ex-bg2) !important;
  border-bottom: 1px solid var(--ex-border) !important;
  padding: 0 24px !important;
  min-height: 52px !important;
  box-shadow: none !important;
  font-family: var(--ex-font);
}
 
.navbar-brand {
  color: var(--ex-purple-lt) !important;
  font-weight: 700 !important;
  letter-spacing: 1px !important;
  font-family: var(--ex-font);
  text-transform: uppercase;
}
.navbar-brand::before { content: "["; color: var(--ex-purple); }
.navbar-brand::after  { content: "]"; color: var(--ex-purple); }
 
.navbar-nav .nav-link {
  color: var(--ex-muted) !important;
  padding: 4px 0 !important;
  margin: 0 12px !important;
  border-bottom: 2px solid transparent;
  transition: color 0.15s, border-color 0.15s;
  text-transform: lowercase;
  font-family: var(--ex-font);
}

.navbar-nav .nav-link:hover,
.navbar-nav .nav-link.active {
  color: var(--ex-purple-lt) !important;
  border-bottom-color: var(--ex-purple) !important;
}

.navbar-toggler { border-color: var(--ex-border2) !important; }
.navbar-toggler-icon { filter: invert(0.6); }

/* NAVBAR */

#ex-root {
  background: #0e0e12;
  border-radius: 12px;
  padding: 0;
  overflow: hidden;
  font-family: var(--ex-font);
  color: #e2e8f0;
}
#ex-prompt {
  background: var(--ex-bg2);
  border-bottom: 1px solid var(--ex-border);
  padding: 24px 0px;
  color: var(--ex-dim);
  display: flex;
  align-items: center;
  gap: 8px;
}
#ex-prompt .ps1    { color: var(--ex-purple); }
#ex-prompt .host   { color: var(--ex-cyan); }
#ex-prompt .path   { color: var(--ex-purple-lt); }
#ex-prompt .cmd    { color: var(--ex-text); margin-left: 4px; }
#ex-prompt .cursor {
  display: inline-block; width: 8px; height: 13px;
  background: var(--ex-purple-lt);
  animation: blink 1s step-end infinite;
  vertical-align: -3px; margin-left: 2px;
}
@keyframes blink { 50% { opacity: 0; } }

#ex-body {
  display: grid;
  grid-template-columns: 1fr 3fr;
  min-height: 440px;
}

/* SIDEBAR */

#ex-sidebar {
  background: #0a0a10;
  border-right: 1px solid #1e1e2e;
  padding: 16px;
}

.ex-sidebar-title {
  color: #4b5563;
  letter-spacing: 1px;
  text-transform: uppercase;
  margin-bottom: 8px;
}

.ex-sidebar-item.active {
  background: #1e1b4b;
  color: #a78bfa;
}

.ex-sidebar-item:hover {
  background: #1e1b4b;
  color: #a78bfa;
}

.ex-sidebar-item {
  display: flex;
  align-items: center;
  gap: 8px;
  padding: 7px 10px;
  border-radius: 6px;
  color: #94a3b8;
  cursor: pointer;
  margin-bottom: 2px;
  text-transform: lowercase;
}

.ex-sidebar-item.active .dot {
  background: #7c3aed;
}

.ex-sidebar-item .dot {
  width: 6px;
  height: 6px;
  border-radius: 50%;
  background: #4b5563;
  flex-shrink: 0;
}

.ex-sidebar-item.active .count {
  background: #2e1065;
  color: #a78bfa;
}

.ex-sidebar-item:hover .count {
  background: #2e1065;
  color: #a78bfa;
}

.ex-sidebar-item .count {
  margin-left: auto;
  background: #1e1e2e;
  color: #6b7280;
  font-size: 12px;
  padding: 1px 7px;
  border-radius: 99px;
}

/* MAIN */

#ex-main {
  padding: 20px 24px;
}

.ex-header-row {
  display: flex;
  align-items: center;
  gap: 12px;
  margin-bottom: 16px;
}

.ex-section-title {
  font-size: 20px;
  color: #e2e8f0;
  font-weight: bold;
}

/* FILTRE SOLVED */

.ex-filter {
  display: flex;
  gap: 8px;
  margin-left: auto;
}

.ex-filter-btn:hover {
  background: rgba(38, 38, 36, 1);;
}

.ex-filter-btn:active {
  background: rgba(222, 220, 209, 0.15);
  transform: scale(0.98);
}

.ex-filter-btn {
  background: #13131a;
  padding: 8px 16px;
  border: 0.5px solid rgba(222, 220, 209, 0.3);
  border-radius: 8px;
  transition: background 0.15s, transform 0.1s;
}

.ex-filter-btn.active {
  border-color: #7c3aed;
  color: #a78bfa;
  background: #1e1b4b;
}


/* CHALLENGES */

#ex-grid {
  display: grid;
  grid-template-columns: 1fr 1fr 1fr;
  gap: 12px;
}

.ex-card {
  background: #13131a;
  border: 1px solid #1e1e2e;
  border-radius: 8px;
  padding: 14px;
  cursor: pointer;
  transition: border-color 0.15s;
}

.ex-card.solved {
  background: #16271d;
}

.ex-card:hover {
  border-color: #4c1d95;
}

.ex-card-top {
  display: flex;
  align-items: center;
  gap: 8px;
  margin-bottom: 10px;
}

.ex-card-icon {
  width: 35px;
  height: 35px;
  border-radius: 6px;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 20px;
  flex-shrink: 0;
}

.ex-card-name {
  font-weight: bold;
  color: #e2e8f0;
}

.ex-card-cat {
  font-size: 14px;
  color: #6b7280;
}

/* TODO change category styles */

.ex-card-icon.web {
  background: #1e3a5f;
  color: #38bdf8;
}

.ex-card-icon.vpn {
  background: #2e1065;
  color: #a78bfa;
}

.ex-card-icon.privesc {
  background: #1a2e1a;
  color: #4ade80;
}

.ex-card-icon.stego {
  background: #422006;
  color: #fb923c;
}

.ex-card-icon.osint {
  background: #1e3a5f;
  color: #22d3ee;
}

.ex-card-icon.forensic {
  background: #2d1b2e;
  color: #e879f9;
}

.ex-card-pts {
  font-size: 18px;
  font-weight: 700;
  color: #a78bfa;
  margin-bottom: 8px;
}

.ex-card-pts ~ span {
  font-size: 14px;
  color: #e2e8f0;
  font-weight: 400;
}

.ex-card-bottom {
  display: flex;
  justify-content: space-between;
  align-items: center;
}

.ex-card-solves {
  font-size: 10px;
  color: #4b5563;
}

.ex-tag {
  font-size: 9px;
  padding: 2px 7px;
  border-radius: 99px;
}

.ex-tag.easy {
  background: #14532d;
  color: #4ade80;
}

.ex-tag.medium {
  background: #422006;
  color: #fb923c;
}

.ex-tag.hard {
  background: #450a0a;
  color: #f87171;
}

.ex-solved-badge {
  font-size: 9px;
  color: #4ade80;
  border: 1px solid #14532d;
  padding: 2px 7px;
  border-radius: 99px;
}

/* STATS BAR */

#ex-stat-bar {
  display: flex;
  align-items: center;
  gap: 10px;
  padding: 10px 16px;
  background: #0a0a10;
  border-top: 1px solid #1e1e2e;
  font-size: 14px;
  color: #4b5563;
}

.ex-stat {
  display: flex;
  align-items: center;
  gap: 6px;
}

.ex-stat i {
  font-size: 16px;
}


.ex-stat .val {
  color: #a78bfa;
  font-weight: 500;
}

.ex-stat .val.green {
  color: #4ade80;
}

.ex-sep {
  color: #1e1e2e;
}









/* - Page / containers - */
.container, .container-fluid {
  background: transparent !important;
}
 
/* - Cards / challenge boxes - */
.card {
  background-color: var(--ex-bg2) !important;
  border: 1px solid var(--ex-border) !important;
  border-radius: 8px !important;
  color: var(--ex-text) !important;
  transition: border-color 0.15s !important;
  box-shadow: none !important;
}
.card:hover { border-color: var(--ex-purple-dk) !important; }
.card-header {
  background-color: var(--ex-bg3) !important;
  border-bottom: 1px solid var(--ex-border) !important;
  color: var(--ex-text) !important;
  font-weight: 500 !important;
}
.card-body { color: var(--ex-text) !important; }
.card-footer {
  background-color: var(--ex-bg3) !important;
  border-top: 1px solid var(--ex-border) !important;
}
 
/* Challenge value badge */
.challenge-value, .badge-points {
  color: var(--ex-purple-lt) !important;
  font-weight: 700 !important;
}
 
/* Solved indicator */
.solve-badge, .solved-badge, .challenge-solve-count {
  color: var(--ex-green) !important;
  border: 1px solid #14532d !important;
  background: transparent !important;
  border-radius: 99px !important;
  padding: 1px 8px !important;
}
 
/* - Buttons - */
.btn-primary {
  background-color: var(--ex-purple) !important;
  border-color: var(--ex-purple) !important;
  color: #fff !important;
  font-family: var(--ex-font) !important;
  border-radius: 6px !important;
  transition: background 0.15s !important;
}
.btn-primary:hover { background-color: var(--ex-purple-dk) !important; border-color: var(--ex-purple-dk) !important; }
 
.btn-secondary {
  background-color: var(--ex-bg2) !important;
  border: 1px solid var(--ex-border2) !important;
  color: var(--ex-muted) !important;
  font-family: var(--ex-font) !important;
  border-radius: 6px !important;
}
.btn-secondary:hover { border-color: var(--ex-purple) !important; color: var(--ex-purple-lt) !important; background-color: var(--ex-purple-bg) !important; }
 
.btn-success {
  background-color: #14532d !important;
  border-color: #14532d !important;
  color: var(--ex-green) !important;
  font-family: var(--ex-font) !important;
}
.btn-danger {
  background-color: #450a0a !important;
  border-color: #450a0a !important;
  color: var(--ex-red) !important;
  font-family: var(--ex-font) !important;
}
 
/* - Forms / Inputs - */
.form-control, .form-select {
  background-color: var(--ex-bg3) !important;
  border: 1px solid var(--ex-border2) !important;
  color: var(--ex-text) !important;
  font-family: var(--ex-font) !important;
  border-radius: 6px !important;
}
.form-control:focus, .form-select:focus {
  border-color: var(--ex-purple) !important;
  box-shadow: 0 0 0 2px rgba(124, 58, 237, 0.25) !important;
  background-color: var(--ex-bg3) !important;
  color: var(--ex-text) !important;
}
.form-control::placeholder { color: var(--ex-dim) !important; }
label, .form-label { color: var(--ex-muted) !important; }
 
/* - Tables - */
.table {
  color: var(--ex-text) !important;
  border-color: var(--ex-border) !important;
  font-family: var(--ex-font) !important;
}
.table thead th {
  background-color: var(--ex-bg3) !important;
  color: var(--ex-dim) !important;
  border-color: var(--ex-border) !important;
  letter-spacing: 2px !important;
  text-transform: uppercase !important;
  font-weight: 500 !important;
}
.table tbody tr { border-color: var(--ex-border) !important; }
.table tbody tr:hover { background-color: var(--ex-bg2) !important; }
.table td, .table th { border-color: var(--ex-border) !important; }
 
/* Rank number highlight */
.table tbody tr:nth-child(1) td:first-child { color: var(--ex-orange) !important; font-weight: 700 !important; }
.table tbody tr:nth-child(2) td:first-child { color: var(--ex-muted)  !important; font-weight: 700 !important; }
.table tbody tr:nth-child(3) td:first-child { color: #b45309         !important; font-weight: 700 !important; }
 
/* - Badges / tags - */
.badge {
  font-family: var(--ex-font) !important;
  border-radius: 99px !important;
  font-weight: 400 !important;
}
.badge.bg-success, .badge-success { background-color: #14532d !important; color: var(--ex-green) !important; }
.badge.bg-danger,  .badge-danger  { background-color: #450a0a !important; color: var(--ex-red)   !important; }
.badge.bg-warning, .badge-warning { background-color: #422006 !important; color: var(--ex-orange) !important; }
.badge.bg-primary, .badge-primary { background-color: var(--ex-purple-bg) !important; color: var(--ex-purple-lt) !important; }
.badge.bg-info,    .badge-info    { background-color: #1e3a5f !important; color: var(--ex-blue)  !important; }
 
/* - Modals - */
.modal-content {
  background-color: var(--ex-bg2) !important;
  border: 1px solid var(--ex-border2) !important;
  color: var(--ex-text) !important;
  font-family: var(--ex-font) !important;
  border-radius: 10px !important;
}
.modal-header {
  border-bottom: 1px solid var(--ex-border) !important;
  background-color: var(--ex-bg3) !important;
}
.modal-footer { border-top: 1px solid var(--ex-border) !important; background-color: var(--ex-bg3) !important; }
.modal-title { color: var(--ex-purple-lt) !important; font-weight: 700 !important; letter-spacing: 1px !important; }
.btn-close { filter: invert(0.7) !important; }
 
/* - Alerts - */
.alert {
  font-family: var(--ex-font);
}
.alert-success { background: #14532d20 !important; border-color: #14532d !important; color: var(--ex-green) !important; }
.alert-danger  { background: #450a0a20 !important; border-color: #450a0a !important; color: var(--ex-red)   !important; }
.alert-warning { background: #42200620 !important; border-color: #422006 !important; color: var(--ex-orange) !important; }
.alert-info    { background: #1e3a5f20 !important; border-color: #1e3a5f !important; color: var(--ex-blue)  !important; }
 
/* - Scoreboard chart - */
#score-graph, .chart-container {
  background: var(--ex-bg2) !important;
  border: 1px solid var(--ex-border) !important;
  border-radius: 8px !important;
  padding: 12px !important;
}
 
/* - Progress bars - */
.progress {
  background-color: var(--ex-border) !important;
  height: 4px !important;
  border-radius: 2px !important;
}
.progress-bar { background-color: var(--ex-purple) !important; }
 
/* - Dropdowns - */
.dropdown-menu {
  background-color: var(--ex-bg2) !important;
  border: 1px solid var(--ex-border2) !important;
  border-radius: 8px !important;
  font-family: var(--ex-font) !important;
}
.dropdown-item { color: var(--ex-muted) !important; }
.dropdown-item:hover { background-color: var(--ex-purple-bg) !important; color: var(--ex-purple-lt) !important; }
.dropdown-divider { border-color: var(--ex-border) !important; }
 
/* - Pagination - */
.page-link {
  background-color: var(--ex-bg2) !important;
  border-color: var(--ex-border) !important;
  color: var(--ex-muted) !important;
  font-family: var(--ex-font) !important;
}
.page-link:hover { background-color: var(--ex-purple-bg) !important; color: var(--ex-purple-lt) !important; border-color: var(--ex-purple) !important; }
.page-item.active .page-link { background-color: var(--ex-purple) !important; border-color: var(--ex-purple) !important; color: #fff !important; }
 
/* - Footer - */
footer, .footer {
  background-color: var(--ex-bg3) !important;
  border-top: 1px solid var(--ex-border) !important;
  color: var(--ex-dim) !important;
}
 
/* - Scrollbar - */
::-webkit-scrollbar       { width: 6px; height: 6px; }
::-webkit-scrollbar-track { background: var(--ex-bg3); }
::-webkit-scrollbar-thumb { background: var(--ex-purple-dk); border-radius: 3px; }
::-webkit-scrollbar-thumb:hover { background: var(--ex-purple); }
 
/* - Category color accents - */
[data-category="web"]      .card { border-left: 3px solid var(--ex-blue)   !important; }
[data-category="pwn"]      .card { border-left: 3px solid var(--ex-purple) !important; }
[data-category="reverse"]  .card { border-left: 3px solid var(--ex-green)  !important; }
[data-category="crypto"]   .card { border-left: 3px solid var(--ex-orange) !important; }
[data-category="osint"]    .card { border-left: 3px solid var(--ex-cyan)   !important; }
[data-category="forensics"].card { border-left: 3px solid var(--ex-pink)   !important; }