:root {
  --logo-purple: #A855F7;
  --logo-cyan: #06B6D4;
  --logo-green: #22C55E;
  --logo-yellow: #FACC15;
  --logo-navy: #1E3A8A;
  --bg-primary: #0a0e27;
  --bg-secondary: #111827;
  --bg-card: #1F2937;
  --neon-green: #00ff88;
  --neon-pink: #ff0066;
  --neon-cyan: #06B6D4;
  --text-primary: #e0e0e0;
  --text-secondary: #9CA3AF;
  --success: #00ff88;
  --error: #ff3333;
  --warning: #FACC15;
  --radius-lg: 16px;
  --radius-md: 12px;
  --radius-sm: 8px;
  --shadow-card: 0 4px 20px rgba(0,0,0,0.3);
  --border-color: rgba(255,255,255,0.08);
  --font-ar: 'Cairo', sans-serif;
  --font-en: 'Rajdhani', sans-serif;
  --font-tech: 'Chakra Petch', monospace;
}

*, *::before, *::after {
  margin: 0;
  padding: 0;
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
}

body {
  font-family: var(--font-en);
  background-color: var(--bg-primary);
  background-image:
    linear-gradient(rgba(6, 182, 212, 0.03) 1px, transparent 1px),
    linear-gradient(90deg, rgba(6, 182, 212, 0.03) 1px, transparent 1px);
  background-size: 40px 40px;
  color: var(--text-primary);
  min-height: 100vh;
  line-height: 1.6;
  overflow-x: hidden;
}

[dir="rtl"], [lang="ar"] {
  font-family: var(--font-ar);
}

::-webkit-scrollbar {
  width: 8px;
  height: 8px;
}

::-webkit-scrollbar-track {
  background: var(--bg-primary);
  border: 1px solid var(--border-color);
}

::-webkit-scrollbar-thumb {
  background: var(--bg-card);
  border-radius: 4px;
}

::-webkit-scrollbar-thumb:hover {
  background: var(--logo-cyan);
}

::selection {
  background: rgba(6, 182, 212, 0.3);
  color: var(--text-primary);
}

.user-select-none, .navbar-ctf *, .card-ctf *, .btn-ctf, .badge, .stage-card * {
  -webkit-user-select: none;
  user-select: none;
}

.navbar-ctf {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  z-index: 1000;
  background: rgba(10, 14, 39, 0.9);
  backdrop-filter: blur(20px);
  -webkit-backdrop-filter: blur(20px);
  border-bottom: 1px solid var(--border-color);
  padding: 0 2rem;
  height: 64px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  transition: all 0.3s ease;
}

.navbar-ctf .nav-brand {
  display: flex;
  align-items: center;
  gap: 12px;
  text-decoration: none;
  font-size: 1.4rem;
  font-weight: 700;
  font-family: var(--font-tech);
  color: var(--logo-yellow);
  text-shadow: 0 0 20px rgba(250, 204, 21, 0.3);
}

.navbar-ctf .nav-brand .brand-icon {
  width: 36px;
  height: 36px;
  background: linear-gradient(135deg, var(--logo-purple), var(--logo-cyan));
  border-radius: var(--radius-sm);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.2rem;
}

.navbar-ctf .nav-links {
  display: flex;
  align-items: center;
  gap: 4px;
  list-style: none;
}

.navbar-ctf .nav-links li a {
  color: var(--text-secondary);
  text-decoration: none;
  padding: 8px 16px;
  border-radius: var(--radius-sm);
  font-weight: 500;
  font-size: 0.95rem;
  transition: all 0.3s ease;
  position: relative;
}

.navbar-ctf .nav-links li a:hover,
.navbar-ctf .nav-links li a.active {
  color: var(--neon-cyan);
  background: rgba(6, 182, 212, 0.08);
}

.navbar-ctf .nav-links li a.active::after {
  content: '';
  position: absolute;
  bottom: -2px;
  left: 16px;
  right: 16px;
  height: 2px;
  background: var(--neon-cyan);
  box-shadow: 0 0 10px var(--neon-cyan);
  border-radius: 1px;
}

.navbar-ctf .nav-toggle {
  display: none;
  background: none;
  border: none;
  color: var(--text-primary);
  font-size: 1.5rem;
  cursor: pointer;
  padding: 4px;
}

.card-ctf {
  background: var(--bg-card);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-lg);
  padding: 24px;
  box-shadow: var(--shadow-card);
  transition: all 0.3s ease;
}

.card-ctf:hover {
  border-color: var(--neon-cyan);
  box-shadow: 0 0 20px rgba(6, 182, 212, 0.15), var(--shadow-card);
}

.card-ctf .card-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-bottom: 16px;
  padding-bottom: 12px;
  border-bottom: 1px solid var(--border-color);
}

.card-ctf .card-title {
  font-family: var(--font-tech);
  font-size: 1.15rem;
  font-weight: 600;
  color: var(--text-primary);
}

.card-ctf .card-body {
  color: var(--text-secondary);
  font-size: 0.95rem;
  line-height: 1.7;
}

.btn-ctf {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  padding: 10px 24px;
  border: none;
  border-radius: var(--radius-md);
  font-family: var(--font-en);
  font-weight: 600;
  font-size: 0.95rem;
  cursor: pointer;
  transition: all 0.3s ease;
  text-decoration: none;
  position: relative;
  overflow: hidden;
}

.btn-ctf:active {
  transform: scale(0.97);
}

.btn-ctf-primary {
  background: linear-gradient(135deg, var(--logo-purple), var(--logo-cyan));
  color: #fff;
  box-shadow: 0 4px 15px rgba(168, 85, 247, 0.3);
}

.btn-ctf-primary:hover {
  box-shadow: 0 6px 25px rgba(168, 85, 247, 0.5);
  transform: translateY(-2px);
}

.btn-ctf-success {
  background: var(--neon-green);
  color: #000;
  box-shadow: 0 4px 15px rgba(0, 255, 136, 0.3);
}

.btn-ctf-success:hover {
  box-shadow: 0 6px 25px rgba(0, 255, 136, 0.5);
  transform: translateY(-2px);
}

.btn-ctf-danger {
  background: var(--error);
  color: #fff;
  box-shadow: 0 4px 15px rgba(255, 51, 51, 0.3);
}

.btn-ctf-danger:hover {
  box-shadow: 0 6px 25px rgba(255, 51, 51, 0.5);
  transform: translateY(-2px);
}

.btn-ctf-outline {
  background: transparent;
  border: 1px solid var(--border-color);
  color: var(--text-primary);
}

.btn-ctf-outline:hover {
  border-color: var(--neon-cyan);
  color: var(--neon-cyan);
  box-shadow: 0 0 15px rgba(6, 182, 212, 0.2);
}

.btn-ctf-outline-success {
  background: transparent;
  border: 1px solid var(--neon-green);
  color: var(--neon-green);
}

.btn-ctf-outline-success:hover {
  background: rgba(0, 255, 136, 0.1);
  box-shadow: 0 0 15px rgba(0, 255, 136, 0.3);
}

.btn-ctf-outline-danger {
  background: transparent;
  border: 1px solid var(--error);
  color: var(--error);
}

.btn-ctf-outline-danger:hover {
  background: rgba(255, 51, 51, 0.1);
  box-shadow: 0 0 15px rgba(255, 51, 51, 0.3);
}

.btn-ctf-sm {
  padding: 6px 16px;
  font-size: 0.85rem;
}

.btn-ctf-lg {
  padding: 14px 32px;
  font-size: 1.1rem;
}

.stage-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(280px, 1fr));
  gap: 20px;
}

.stage-card {
  background: var(--bg-card);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-lg);
  padding: 24px;
  cursor: pointer;
  transition: all 0.3s ease;
  position: relative;
  overflow: hidden;
}

.stage-card::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: 3px;
  background: var(--border-color);
  transition: all 0.3s ease;
}

.stage-card:hover {
  transform: translateY(-4px) scale(1.02);
  box-shadow: 0 8px 30px rgba(0, 0, 0, 0.4);
  border-color: rgba(6, 182, 212, 0.3);
}

.stage-card.completed::before {
  background: var(--neon-green);
  box-shadow: 0 0 15px var(--neon-green);
}

.stage-card.locked {
  opacity: 0.6;
  cursor: not-allowed;
}

.stage-card.locked:hover {
  transform: none;
  box-shadow: none;
}

.stage-card.unlocked::before {
  background: var(--logo-yellow);
  box-shadow: 0 0 15px var(--logo-yellow);
}

.stage-card .stage-number {
  font-family: var(--font-tech);
  font-size: 0.85rem;
  color: var(--text-secondary);
  margin-bottom: 8px;
}

.stage-card .stage-name {
  font-family: var(--font-tech);
  font-size: 1.1rem;
  font-weight: 600;
  color: var(--text-primary);
  margin-bottom: 8px;
}

.stage-card .stage-desc {
  color: var(--text-secondary);
  font-size: 0.9rem;
  margin-bottom: 16px;
}

.stage-card .stage-meta {
  display: flex;
  align-items: center;
  justify-content: space-between;
  flex-wrap: wrap;
  gap: 8px;
}

.difficulty-badge {
  display: inline-flex;
  align-items: center;
  gap: 4px;
  padding: 4px 12px;
  border-radius: 20px;
  font-family: var(--font-tech);
  font-size: 0.8rem;
  font-weight: 600;
  text-transform: uppercase;
}

.difficulty-badge.easy {
  background: rgba(0, 255, 136, 0.12);
  color: var(--neon-green);
  border: 1px solid rgba(0, 255, 136, 0.2);
}

.difficulty-badge.medium {
  background: rgba(250, 204, 21, 0.12);
  color: var(--logo-yellow);
  border: 1px solid rgba(250, 204, 21, 0.2);
}

.difficulty-badge.hard {
  background: rgba(255, 165, 0, 0.12);
  color: #ffa500;
  border: 1px solid rgba(255, 165, 0, 0.2);
}

.difficulty-badge.expert {
  background: rgba(255, 51, 51, 0.12);
  color: var(--error);
  border: 1px solid rgba(255, 51, 51, 0.2);
}

.status-indicator {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  font-size: 0.8rem;
  color: var(--text-secondary);
  font-family: var(--font-tech);
}

.status-indicator .dot {
  width: 8px;
  height: 8px;
  border-radius: 50%;
  display: inline-block;
}

.status-indicator .dot.completed {
  background: var(--neon-green);
  box-shadow: 0 0 8px var(--neon-green);
}

.status-indicator .dot.unlocked {
  background: var(--logo-yellow);
  box-shadow: 0 0 8px var(--logo-yellow);
}

.status-indicator .dot.locked {
  background: var(--text-secondary);
}

.terminal-emulator {
  background: #0a0e27;
  border: 1px solid rgba(0, 255, 65, 0.15);
  border-radius: var(--radius-md);
  overflow: hidden;
  font-family: var(--font-tech);
}

.terminal-emulator .terminal-header {
  background: rgba(0, 255, 65, 0.05);
  padding: 8px 16px;
  display: flex;
  align-items: center;
  gap: 8px;
  border-bottom: 1px solid rgba(0, 255, 65, 0.1);
}

.terminal-emulator .terminal-header .dot {
  width: 10px;
  height: 10px;
  border-radius: 50%;
}

.terminal-emulator .terminal-header .dot.red {
  background: #ff5f56;
}

.terminal-emulator .terminal-header .dot.yellow {
  background: #ffbd2e;
}

.terminal-emulator .terminal-header .dot.green {
  background: #27c93f;
}

.terminal-emulator .terminal-header .title {
  color: rgba(0, 255, 65, 0.5);
  font-size: 0.8rem;
  font-family: var(--font-tech);
}

.terminal-emulator .terminal-output {
  padding: 16px;
  min-height: 200px;
  max-height: 400px;
  overflow-y: auto;
  color: #00ff41;
  font-size: 0.9rem;
  line-height: 1.6;
}

.terminal-emulator .terminal-output .line {
  white-space: pre-wrap;
  word-break: break-all;
}

.terminal-emulator .terminal-output .line.success {
  color: var(--success);
}

.terminal-emulator .terminal-output .line.error {
  color: var(--error);
}

.terminal-emulator .terminal-output .line.warning {
  color: var(--warning);
}

.terminal-emulator .terminal-input-line {
  display: flex;
  align-items: center;
  padding: 8px 16px;
  border-top: 1px solid rgba(0, 255, 65, 0.1);
  background: rgba(0, 0, 0, 0.3);
}

.terminal-emulator .terminal-input-line .prompt {
  color: #00ff41;
  font-size: 0.9rem;
  margin-right: 8px;
  font-weight: 700;
}

.terminal-emulator .terminal-input-line .prompt-ar {
  color: #00ff41;
  font-size: 0.9rem;
  margin-left: 8px;
  font-weight: 700;
}

.terminal-emulator .terminal-input-line input {
  flex: 1;
  background: transparent;
  border: none;
  outline: none;
  color: #00ff41;
  font-family: var(--font-tech);
  font-size: 0.9rem;
  caret-color: #00ff41;
}

.terminal-emulator .terminal-input-line .cursor {
  display: inline-block;
  width: 8px;
  height: 16px;
  background: #00ff41;
  animation: blink 1s step-end infinite;
  margin-left: 4px;
}

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

.terminal-emulator .terminal-output::-webkit-scrollbar {
  width: 4px;
}

.terminal-emulator .terminal-output::-webkit-scrollbar-thumb {
  background: rgba(0, 255, 65, 0.3);
  border-radius: 2px;
}

.wireshark-emulator {
  background: var(--bg-primary);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-md);
  overflow: hidden;
  font-family: var(--font-tech);
}

.wireshark-emulator .filter-bar {
  display: flex;
  align-items: center;
  gap: 8px;
  padding: 8px 12px;
  background: var(--bg-secondary);
  border-bottom: 1px solid var(--border-color);
}

.wireshark-emulator .filter-bar .filter-label {
  color: var(--text-secondary);
  font-size: 0.8rem;
  font-weight: 600;
}

.wireshark-emulator .filter-bar input {
  flex: 1;
  background: var(--bg-primary);
  border: 1px solid var(--border-color);
  border-radius: 4px;
  padding: 4px 10px;
  color: var(--neon-cyan);
  font-family: var(--font-tech);
  font-size: 0.85rem;
  outline: none;
}

.wireshark-emulator .filter-bar input:focus {
  border-color: var(--neon-cyan);
  box-shadow: 0 0 8px rgba(6, 182, 212, 0.2);
}

.wireshark-emulator .packet-list {
  max-height: 250px;
  overflow-y: auto;
  font-size: 0.8rem;
}

.wireshark-emulator .packet-list .packet-row {
  display: grid;
  grid-template-columns: 60px 80px 1fr 120px 80px;
  gap: 8px;
  padding: 4px 12px;
  border-bottom: 1px solid rgba(255, 255, 255, 0.03);
  cursor: pointer;
  transition: background 0.2s ease;
}

.wireshark-emulator .packet-list .packet-row:nth-child(even) {
  background: rgba(255, 255, 255, 0.02);
}

.wireshark-emulator .packet-list .packet-row:hover {
  background: rgba(6, 182, 212, 0.08);
}

.wireshark-emulator .packet-list .packet-row.selected {
  background: rgba(6, 182, 212, 0.12);
}

.wireshark-emulator .packet-list .packet-row .no {
  color: var(--text-secondary);
}

.wireshark-emulator .packet-list .packet-row .time {
  color: var(--text-secondary);
}

.wireshark-emulator .packet-list .packet-row .source,
.wireshark-emulator .packet-list .packet-row .dest {
  color: var(--neon-cyan);
}

.wireshark-emulator .packet-list .packet-row .protocol {
  color: var(--logo-yellow);
}

.wireshark-emulator .packet-list .packet-row .len {
  color: var(--text-secondary);
}

.wireshark-emulator .packet-list .packet-header-row {
  display: grid;
  grid-template-columns: 60px 80px 1fr 120px 80px;
  gap: 8px;
  padding: 6px 12px;
  background: var(--bg-secondary);
  border-bottom: 1px solid var(--border-color);
  font-weight: 600;
  color: var(--text-secondary);
  font-size: 0.75rem;
  text-transform: uppercase;
  position: sticky;
  top: 0;
  z-index: 1;
}

.wireshark-emulator .packet-details {
  border-top: 1px solid var(--border-color);
  padding: 12px;
  max-height: 200px;
  overflow-y: auto;
  font-size: 0.8rem;
}

.wireshark-emulator .packet-details .detail-tree {
  margin-bottom: 8px;
}

.wireshark-emulator .packet-details .detail-item {
  padding: 2px 0;
  padding-left: 16px;
  color: var(--text-secondary);
}

.wireshark-emulator .packet-details .detail-item .key {
  color: var(--logo-purple);
}

.wireshark-emulator .packet-details .detail-item .value {
  color: var(--text-primary);
}

.wireshark-emulator .packet-details .hex-dump {
  font-family: var(--font-tech);
  background: rgba(0, 0, 0, 0.3);
  border: 1px solid var(--border-color);
  border-radius: 4px;
  padding: 8px;
  margin-top: 8px;
  font-size: 0.75rem;
  line-height: 1.5;
  color: var(--neon-green);
  overflow-x: auto;
  white-space: pre;
}

@keyframes glow {
  0%, 100% {
    box-shadow: 0 0 5px currentColor, 0 0 10px currentColor;
  }
  50% {
    box-shadow: 0 0 20px currentColor, 0 0 40px currentColor, 0 0 60px currentColor;
  }
}

@keyframes float {
  0%, 100% {
    transform: translateY(0px);
  }
  50% {
    transform: translateY(-10px);
  }
}

@keyframes pulse {
  0%, 100% {
    opacity: 1;
    transform: scale(1);
  }
  50% {
    opacity: 0.7;
    transform: scale(1.05);
  }
}

@keyframes matrixRain {
  0% {
    opacity: 0;
    transform: translateY(-20px);
  }
  10% {
    opacity: 1;
  }
  90% {
    opacity: 1;
  }
  100% {
    opacity: 0;
    transform: translateY(20px);
  }
}

@keyframes slideIn {
  from {
    opacity: 0;
    transform: translateY(20px);
  }
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

.glow-effect {
  animation: glow 2s ease-in-out infinite;
}

.float-effect {
  animation: float 3s ease-in-out infinite;
}

.pulse-effect {
  animation: pulse 2s ease-in-out infinite;
}

.achievement-badge {
  width: 64px;
  height: 64px;
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.5rem;
  position: relative;
  transition: all 0.3s ease;
  background: var(--bg-card);
  border: 2px solid var(--border-color);
}

.achievement-badge.unlocked {
  border-color: var(--logo-yellow);
  background: linear-gradient(135deg, rgba(250, 204, 21, 0.1), rgba(250, 204, 21, 0.05));
  box-shadow: 0 0 20px rgba(250, 204, 21, 0.2), inset 0 0 20px rgba(250, 204, 21, 0.05);
}

.achievement-badge.unlocked:hover {
  transform: scale(1.1);
  box-shadow: 0 0 30px rgba(250, 204, 21, 0.4);
}

.achievement-badge.locked {
  filter: grayscale(1);
  opacity: 0.5;
}

.achievement-badge .badge-icon {
  font-size: 1.4rem;
}

.achievement-badge .badge-glow {
  position: absolute;
  inset: -4px;
  border-radius: 50%;
  border: 2px solid transparent;
}

.achievement-badge.unlocked .badge-glow {
  border-color: var(--logo-yellow);
  animation: glow 2s ease-in-out infinite;
}

.timer-container {
  position: fixed;
  bottom: 24px;
  left: 24px;
  z-index: 900;
  background: rgba(15, 23, 42, 0.85);
  backdrop-filter: blur(16px);
  -webkit-backdrop-filter: blur(16px);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-md);
  padding: 16px 20px;
  min-width: 200px;
  box-shadow: var(--shadow-card);
}

.timer-container .timer-label {
  font-family: var(--font-tech);
  font-size: 0.75rem;
  color: var(--text-secondary);
  text-transform: uppercase;
  letter-spacing: 1px;
  margin-bottom: 4px;
}

.timer-container .timer-display {
  font-family: var(--font-tech);
  font-size: 1.8rem;
  font-weight: 700;
  color: var(--text-primary);
  letter-spacing: 2px;
}

.timer-container .timer-progress {
  margin-top: 8px;
  height: 4px;
  background: var(--bg-card);
  border-radius: 2px;
  overflow: hidden;
}

.timer-container .timer-progress .bar {
  height: 100%;
  border-radius: 2px;
  transition: width 1s linear, background 0.5s ease;
  background: var(--neon-green);
}

.timer-container .timer-progress .bar.warning {
  background: var(--logo-yellow);
}

.timer-container .timer-progress .bar.danger {
  background: var(--error);
  animation: pulse 1s ease-in-out infinite;
}

.form-input {
  width: 100%;
  padding: 12px 16px;
  background: var(--bg-secondary);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-md);
  color: var(--text-primary);
  font-family: var(--font-en);
  font-size: 0.95rem;
  outline: none;
  transition: all 0.3s ease;
}

.form-input:focus {
  border-color: var(--neon-cyan);
  box-shadow: 0 0 12px rgba(6, 182, 212, 0.15);
}

.form-input::placeholder {
  color: var(--text-secondary);
}

.form-group {
  margin-bottom: 16px;
}

.form-group label {
  display: block;
  margin-bottom: 6px;
  font-size: 0.9rem;
  color: var(--text-secondary);
  font-weight: 500;
}

.form-group .form-error {
  color: var(--error);
  font-size: 0.8rem;
  margin-top: 4px;
}

textarea.form-input {
  resize: vertical;
  min-height: 100px;
}

select.form-input {
  appearance: none;
  background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='12' height='12' fill='%239CA3AF' viewBox='0 0 16 16'%3E%3Cpath d='M8 11L3 6h10z'/%3E%3C/svg%3E");
  background-repeat: no-repeat;
  background-position: right 12px center;
  padding-right: 36px;
}

.leaderboard-table {
  width: 100%;
  border-collapse: collapse;
  font-family: var(--font-en);
}

.leaderboard-table thead th {
  padding: 12px 16px;
  text-align: left;
  font-family: var(--font-tech);
  font-size: 0.8rem;
  font-weight: 600;
  color: var(--text-secondary);
  text-transform: uppercase;
  letter-spacing: 1px;
  border-bottom: 1px solid var(--border-color);
  background: var(--bg-secondary);
}

.leaderboard-table tbody tr {
  transition: all 0.2s ease;
}

.leaderboard-table tbody tr:nth-child(even) {
  background: rgba(255, 255, 255, 0.02);
}

.leaderboard-table tbody tr:hover {
  background: rgba(6, 182, 212, 0.05);
}

.leaderboard-table tbody tr td {
  padding: 12px 16px;
  font-size: 0.9rem;
  border-bottom: 1px solid var(--border-color);
  color: var(--text-primary);
}

.leaderboard-table tbody tr.rank-1 {
  background: linear-gradient(90deg, rgba(255, 215, 0, 0.08), transparent);
}

.leaderboard-table tbody tr.rank-1 td:first-child {
  color: #ffd700;
  font-weight: 700;
}

.leaderboard-table tbody tr.rank-2 {
  background: linear-gradient(90deg, rgba(192, 192, 192, 0.08), transparent);
}

.leaderboard-table tbody tr.rank-2 td:first-child {
  color: #c0c0c0;
  font-weight: 700;
}

.leaderboard-table tbody tr.rank-3 {
  background: linear-gradient(90deg, rgba(205, 127, 50, 0.08), transparent);
}

.leaderboard-table tbody tr.rank-3 td:first-child {
  color: #cd7f32;
  font-weight: 700;
}

.leaderboard-table tbody tr .rank-icon {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 28px;
  height: 28px;
  border-radius: 50%;
  font-size: 0.8rem;
  font-weight: 700;
}

.leaderboard-table tbody tr .rank-icon.gold {
  background: rgba(255, 215, 0, 0.2);
  color: #ffd700;
}

.leaderboard-table tbody tr .rank-icon.silver {
  background: rgba(192, 192, 192, 0.2);
  color: #c0c0c0;
}

.leaderboard-table tbody tr .rank-icon.bronze {
  background: rgba(205, 127, 50, 0.2);
  color: #cd7f32;
}

.leaderboard-table tbody tr .team-name {
  display: flex;
  align-items: center;
  gap: 8px;
}

.leaderboard-table tbody tr .team-name .flag {
  font-size: 1.2rem;
}

.leaderboard-table tbody tr .score {
  font-family: var(--font-tech);
  font-weight: 600;
  color: var(--neon-cyan);
}

.section-title {
  font-family: var(--font-tech);
  font-size: 1.5rem;
  font-weight: 700;
  color: var(--text-primary);
  margin-bottom: 24px;
  position: relative;
  display: inline-block;
}

.section-title::after {
  content: '';
  position: absolute;
  bottom: -4px;
  left: 0;
  width: 60%;
  height: 2px;
  background: linear-gradient(90deg, var(--logo-purple), var(--logo-cyan));
  border-radius: 1px;
}

[dir="rtl"] .section-title::after {
  left: auto;
  right: 0;
}

.container {
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 20px;
}

.page-content {
  padding-top: 88px;
  padding-bottom: 40px;
}

.fade-in {
  animation: slideIn 0.5s ease forwards;
}

.fade-in-delay-1 {
  animation: slideIn 0.5s ease 0.1s forwards;
  opacity: 0;
}

.fade-in-delay-2 {
  animation: slideIn 0.5s ease 0.2s forwards;
  opacity: 0;
}

.fade-in-delay-3 {
  animation: slideIn 0.5s ease 0.3s forwards;
  opacity: 0;
}

.fade-in-delay-4 {
  animation: slideIn 0.5s ease 0.4s forwards;
  opacity: 0;
}

.fade-in-delay-5 {
  animation: slideIn 0.5s ease 0.5s forwards;
  opacity: 0;
}

.glass-panel {
  background: rgba(31, 41, 55, 0.6);
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-lg);
}

.neon-text-cyan {
  color: var(--neon-cyan);
  text-shadow: 0 0 10px rgba(6, 182, 212, 0.5);
}

.neon-text-green {
  color: var(--neon-green);
  text-shadow: 0 0 10px rgba(0, 255, 136, 0.5);
}

.neon-text-pink {
  color: var(--neon-pink);
  text-shadow: 0 0 10px rgba(255, 0, 102, 0.5);
}

.neon-border {
  border: 1px solid var(--neon-cyan);
  box-shadow: 0 0 15px rgba(6, 182, 212, 0.2), inset 0 0 15px rgba(6, 182, 212, 0.05);
}

.divider {
  height: 1px;
  background: linear-gradient(90deg, transparent, var(--border-color), transparent);
  margin: 24px 0;
}

[dir="rtl"] {
  direction: rtl;
  text-align: right;
}

[dir="rtl"] .navbar-ctf .nav-links {
  flex-direction: row-reverse;
}

[dir="rtl"] .leaderboard-table thead th {
  text-align: right;
}

[dir="rtl"] .leaderboard-table tbody tr td {
  text-align: right;
}

[dir="rtl"] .stage-card .stage-meta {
  flex-direction: row-reverse;
}

@media (max-width: 768px) {
  .navbar-ctf {
    padding: 0 1rem;
  }

  .navbar-ctf .nav-links {
    display: none;
    position: absolute;
    top: 64px;
    left: 0;
    right: 0;
    background: rgba(10, 14, 39, 0.98);
    backdrop-filter: blur(20px);
    -webkit-backdrop-filter: blur(20px);
    flex-direction: column;
    padding: 16px;
    gap: 8px;
    border-bottom: 1px solid var(--border-color);
  }

  .navbar-ctf .nav-links.open {
    display: flex;
  }

  .navbar-ctf .nav-links li a {
    width: 100%;
    padding: 12px 16px;
  }

  .navbar-ctf .nav-toggle {
    display: block;
  }

  .stage-grid {
    grid-template-columns: 1fr;
  }

  .timer-container {
    bottom: 16px;
    left: 16px;
    right: 16px;
    min-width: unset;
  }

  .wireshark-emulator .packet-list .packet-row {
    grid-template-columns: 40px 60px 1fr 60px;
    font-size: 0.75rem;
  }

  .wireshark-emulator .packet-list .packet-header-row {
    grid-template-columns: 40px 60px 1fr 60px;
    font-size: 0.7rem;
  }

  .wireshark-emulator .packet-list .packet-row .dest,
  .wireshark-emulator .packet-list .packet-header-row .dest-header {
    display: none;
  }

  .card-ctf {
    padding: 16px;
  }

  .container {
    padding: 0 12px;
  }

  .leaderboard-table {
    font-size: 0.85rem;
  }

  .leaderboard-table thead th,
  .leaderboard-table tbody tr td {
    padding: 8px 10px;
  }
}

@media (max-width: 480px) {
  .navbar-ctf .nav-brand {
    font-size: 1.1rem;
  }

  .timer-container .timer-display {
    font-size: 1.4rem;
  }

  .btn-ctf {
    padding: 8px 18px;
    font-size: 0.85rem;
  }
}