/* PwnHub - Cyberpunk CTF Collaboration Platform */
@import url('https://fonts.googleapis.com/css2?family=JetBrains+Mono:ital,wght@0,100..800;1,100..800&display=swap');

:root {
  --bg-primary: #0a0a0f;
  --bg-secondary: #1a1a2e;
  --bg-tertiary: #16213e;
  --bg-gradient: linear-gradient(135deg, #0a0a0f 0%, #1a1a2e 50%, #16213e 100%);
  --accent-primary: #ff6b35;
  --accent-secondary: #ff9f40;
  --accent-tertiary: #ffb74d;
  --cyber-blue: #00d9ff;
  --cyber-purple: #9d4edd;
  --cyber-pink: #ff006e;
  --cyber-green: #39ff14;
  --text-primary: #ffffff;
  --text-secondary: #b0b3c1;
  --text-muted: #6c7293;
  --border-color: #3a3d5c;
  --success: #39ff14;
  --warning: #ff9f40;
  --danger: #ff006e;
  --info: #00d9ff;
  --glow-primary: 0 0 20px rgba(255, 107, 53, 0.5);
  --glow-secondary: 0 0 15px rgba(0, 217, 255, 0.4);
  --glow-accent: 0 0 25px rgba(157, 78, 221, 0.6);
}

* {
  box-sizing: border-box;
}

body {
  margin: 0;
  padding: 0;
  font-family: 'JetBrains Mono', 'Inter', 'Segoe UI', 'Roboto', monospace;
  background: var(--bg-primary);
  background-image: 
    radial-gradient(circle at 20% 80%, rgba(157, 78, 221, 0.1) 0%, transparent 50%),
    radial-gradient(circle at 80% 20%, rgba(0, 217, 255, 0.1) 0%, transparent 50%),
    radial-gradient(circle at 40% 40%, rgba(255, 107, 53, 0.05) 0%, transparent 50%);
  color: var(--text-primary);
  min-height: 100vh;
  overflow-x: hidden;
  font-size: 14px;
  line-height: 1.6;
}

/* Layout Structure */
.app-container {
  display: flex;
  flex-direction: column;
  min-height: 100vh;
  position: relative;
}

.app-container::before {
  content: '';
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  background: 
    linear-gradient(45deg, transparent 30%, rgba(255, 107, 53, 0.02) 50%, transparent 70%),
    linear-gradient(-45deg, transparent 30%, rgba(0, 217, 255, 0.02) 50%, transparent 70%);
  pointer-events: none;
  z-index: 1;
}

.header {
  background: linear-gradient(90deg, var(--bg-primary) 0%, var(--bg-secondary) 50%, var(--bg-primary) 100%);
  border-bottom: 2px solid transparent;
  border-image: linear-gradient(90deg, var(--cyber-blue), var(--accent-primary), var(--cyber-purple)) 1;
  padding: 1.5rem 2rem;
  display: flex;
  justify-content: space-between;
  align-items: center;
  position: sticky;
  top: 0;
  z-index: 100;
  backdrop-filter: blur(10px);
  box-shadow: 
    0 4px 20px rgba(0, 0, 0, 0.3),
    0 0 40px rgba(255, 107, 53, 0.1);
}

.header-left {
  display: flex;
  align-items: center;
  gap: 2.5rem;
  z-index: 2;
}

.logo {
  display: flex;
  align-items: center;
  gap: 1rem;
  font-size: 2.2rem;
  font-weight: 900;
  color: var(--text-primary);
  text-transform: uppercase;
  letter-spacing: 2px;
  position: relative;
}

.logo .brand-pwn {
  color: var(--text-primary);
  text-shadow: 0 0 10px rgba(255, 255, 255, 0.3);
}

.logo .brand-hub {
  background: linear-gradient(135deg, var(--accent-primary), var(--accent-secondary));
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
  color: transparent;
  filter: drop-shadow(0 0 10px rgba(255, 107, 53, 0.5));
  position: relative;
}

.logo .brand-hub::after {
  content: '';
  position: absolute;
  bottom: -2px;
  left: 0;
  right: 0;
  height: 3px;
  background: linear-gradient(90deg, var(--accent-primary), var(--accent-secondary));
  border-radius: 2px;
  box-shadow: var(--glow-primary);
}

.logo-icon {
  width: 32px;
  height: 32px;
  color: var(--cyber-blue);
  filter: drop-shadow(0 0 8px rgba(0, 217, 255, 0.6));
  animation: logoGlow 3s ease-in-out infinite alternate;
}

@keyframes logoGlow {
  0% { filter: drop-shadow(0 0 8px rgba(0, 217, 255, 0.6)); }
  100% { filter: drop-shadow(0 0 15px rgba(0, 217, 255, 0.9)); }
}

.team-info {
  color: var(--text-secondary);
  font-size: 0.95rem;
  background: linear-gradient(135deg, var(--bg-secondary), var(--bg-tertiary));
  padding: 0.75rem 1.5rem;
  border-radius: 25px;
  border: 1px solid var(--border-color);
  backdrop-filter: blur(5px);
  font-weight: 500;
}

.header-right {
  display: flex;
  align-items: center;
  gap: 2rem;
  z-index: 2;
}

.score-info {
  display: flex;
  align-items: center;
  gap: 1rem;
  color: var(--accent-primary);
  font-weight: 700;
  background: linear-gradient(135deg, var(--bg-secondary), var(--bg-tertiary));
  padding: 0.75rem 1.5rem;
  border-radius: 25px;
  border: 2px solid transparent;
  background-clip: padding-box;
  position: relative;
  font-size: 0.95rem;
}

.score-info::before {
  content: '';
  position: absolute;
  inset: 0;
  padding: 2px;
  background: linear-gradient(135deg, var(--accent-primary), var(--cyber-blue));
  border-radius: 25px;
  mask: linear-gradient(#fff 0 0) content-box, linear-gradient(#fff 0 0);
  mask-composite: xor;
  z-index: -1;
}

.notification-icon, .settings-icon {
  position: relative;
  cursor: pointer;
  padding: 0.75rem;
  border-radius: 50%;
  transition: all 0.3s ease;
  color: var(--text-primary);
  background: rgba(255, 255, 255, 0.05);
  backdrop-filter: blur(5px);
  border: none;
}

.settings-icon svg {
  width: 20px;
  height: 20px;
  stroke: var(--text-primary);
  fill: none;
}

.notification-icon:hover, .settings-icon:hover {
  background: linear-gradient(135deg, rgba(255, 107, 53, 0.2), rgba(0, 217, 255, 0.2));
  color: var(--accent-primary);
  box-shadow: var(--glow-primary);
  transform: translateY(-2px);
}

.settings-icon:hover svg {
  stroke: var(--accent-primary);
}

.notification-badge {
  position: absolute;
  top: 2px;
  right: 2px;
  background: linear-gradient(135deg, var(--accent-primary), var(--cyber-pink));
  color: var(--text-primary);
  font-size: 0.7rem;
  padding: 0.3rem 0.5rem;
  border-radius: 50%;
  min-width: 20px;
  text-align: center;
  font-weight: bold;
  box-shadow: 0 0 10px rgba(255, 107, 53, 0.8);
  animation: pulse 2s infinite;
}

@keyframes pulse {
  0%, 100% { transform: scale(1); }
  50% { transform: scale(1.1); }
}

.main-layout {
  display: flex;
  flex: 1;
  overflow: hidden;
  position: relative;
  z-index: 2;
}

.sidebar {
  width: 320px;
  background: linear-gradient(180deg, var(--bg-secondary) 0%, var(--bg-tertiary) 100%);
  border-right: 1px solid var(--border-color);
  padding: 2rem 1.5rem;
  overflow-y: auto;
  display: flex;
  flex-direction: column;
  gap: 2.5rem;
  position: relative;
}

.sidebar::before {
  content: '';
  position: absolute;
  top: 0;
  right: 0;
  width: 1px;
  height: 100%;
  background: linear-gradient(180deg, var(--cyber-blue), var(--accent-primary), var(--cyber-purple));
  opacity: 0.6;
}

.nav-menu {
  list-style: none;
  padding: 0;
  margin: 0;
}

.nav-item {
  margin-bottom: 0.75rem;
}

.nav-link {
  display: flex;
  align-items: center;
  gap: 1rem;
  padding: 1.25rem 1.5rem;
  color: var(--text-secondary);
  text-decoration: none;
  border-radius: 15px;
  transition: all 0.3s ease;
  border: 1px solid transparent;
  font-weight: 600;
  font-size: 0.95rem;
  position: relative;
  overflow: hidden;
}

.nav-link::before {
  content: '';
  position: absolute;
  top: 0;
  left: -100%;
  width: 100%;
  height: 100%;
  background: linear-gradient(90deg, transparent, rgba(255, 107, 53, 0.1), transparent);
  transition: left 0.5s ease;
}

.nav-link:hover::before {
  left: 100%;
}

.nav-link:hover {
  background: linear-gradient(135deg, rgba(0, 217, 255, 0.1), rgba(255, 107, 53, 0.1));
  color: var(--accent-primary);
  border-color: var(--accent-primary);
  box-shadow: 0 4px 15px rgba(255, 107, 53, 0.2);
  transform: translateX(5px);
}

.nav-link.active {
  background: linear-gradient(135deg, var(--accent-primary), var(--accent-secondary));
  color: var(--bg-primary);
  border-color: var(--accent-primary);
  font-weight: 700;
  box-shadow: var(--glow-primary);
  transform: translateX(5px);
}

.nav-icon {
  width: 20px;
  height: 20px;
  flex-shrink: 0;
}

.team-section h3 {
  color: var(--accent-primary);
  margin: 0 0 1.5rem 0;
  font-size: 1.2rem;
  text-transform: uppercase;
  letter-spacing: 2px;
  font-weight: 700;
  background: linear-gradient(135deg, var(--accent-primary), var(--cyber-blue));
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

.team-member {
  display: flex;
  align-items: center;
  gap: 1rem;
  padding: 1.25rem;
  margin-bottom: 0.75rem;
  background: linear-gradient(135deg, var(--bg-tertiary), rgba(26, 26, 46, 0.8));
  border-radius: 15px;
  border: 1px solid var(--border-color);
  transition: all 0.3s ease;
  position: relative;
  overflow: hidden;
}

.team-member::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: 2px;
  background: linear-gradient(90deg, var(--cyber-blue), var(--accent-primary));
  opacity: 0;
  transition: opacity 0.3s ease;
}

.team-member:hover {
  border-color: var(--accent-primary);
  background: linear-gradient(135deg, var(--bg-primary), var(--bg-secondary));
  box-shadow: 0 8px 25px rgba(255, 107, 53, 0.15);
  transform: translateY(-2px);
}

.team-member:hover::before {
  opacity: 1;
}

.member-avatar {
  width: 45px;
  height: 45px;
  border-radius: 50%;
  background: linear-gradient(135deg, var(--accent-primary), var(--cyber-blue));
  display: flex;
  align-items: center;
  justify-content: center;
  font-weight: bold;
  font-size: 1.1rem;
  color: var(--bg-primary);
  position: relative;
  box-shadow: 0 0 15px rgba(255, 107, 53, 0.4);
}

.status-indicator {
  position: absolute;
  bottom: -2px;
  right: -2px;
  width: 14px;
  height: 14px;
  border-radius: 50%;
  border: 3px solid var(--bg-secondary);
  box-shadow: 0 0 8px rgba(0, 0, 0, 0.3);
}

.status-online { 
  background: var(--success); 
  box-shadow: 0 0 8px rgba(57, 255, 20, 0.6);
}
.status-away { 
  background: var(--warning); 
  box-shadow: 0 0 8px rgba(255, 159, 64, 0.6);
}
.status-offline { 
  background: var(--text-muted); 
}

.member-info {
  flex: 1;
}

.member-name {
  font-weight: 700;
  color: var(--text-primary);
  font-size: 0.95rem;
  margin-bottom: 0.25rem;
}

.member-specialty {
  color: var(--accent-primary);
  font-size: 0.85rem;
  font-weight: 500;
}

.main-content {
  flex: 1;
  padding: 2.5rem;
  overflow-y: auto;
  position: relative;
  background: rgba(10, 10, 15, 0.3);
}

.content-header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  margin-bottom: 2.5rem;
  padding-bottom: 1.5rem;
  border-bottom: 2px solid transparent;
  border-image: linear-gradient(90deg, var(--cyber-blue), var(--accent-primary)) 1;
}

.content-title {
  font-size: 3rem;
  color: var(--text-primary);
  margin: 0;
  font-weight: 900;
  text-transform: uppercase;
  letter-spacing: 3px;
  background: linear-gradient(135deg, var(--text-primary), var(--accent-primary));
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
  position: relative;
}

.content-title::after {
  content: '';
  position: absolute;
  bottom: -8px;
  left: 0;
  width: 60px;
  height: 4px;
  background: linear-gradient(90deg, var(--accent-primary), var(--cyber-blue));
  border-radius: 2px;
  box-shadow: var(--glow-primary);
}

.search-input {
  padding: 1rem 1.75rem;
  background: linear-gradient(135deg, var(--bg-secondary), var(--bg-tertiary));
  border: 2px solid var(--border-color);
  border-radius: 30px;
  color: var(--text-primary);
  font-family: inherit;
  font-size: 1rem;
  width: 350px;
  transition: all 0.3s ease;
  backdrop-filter: blur(5px);
}

.search-input:focus {
  outline: none;
  border-color: var(--accent-primary);
  background: var(--bg-primary);
  box-shadow: 
    0 0 20px rgba(255, 107, 53, 0.3),
    inset 0 0 10px rgba(255, 107, 53, 0.1);
}

.btn {
  padding: 1rem 2rem;
  background: linear-gradient(135deg, var(--accent-primary), var(--accent-secondary));
  border: 2px solid transparent;
  color: var(--bg-primary);
  font-family: inherit;
  font-size: 1rem;
  border-radius: 30px;
  cursor: pointer;
  display: inline-flex;
  align-items: center;
  gap: 0.75rem;
  text-decoration: none;
  transition: all 0.3s ease;
  text-transform: uppercase;
  letter-spacing: 1px;
  font-weight: 700;
  position: relative;
  overflow: hidden;
}

.btn::before {
  content: '';
  position: absolute;
  top: 0;
  left: -100%;
  width: 100%;
  height: 100%;
  background: linear-gradient(90deg, transparent, rgba(255, 255, 255, 0.2), transparent);
  transition: left 0.5s ease;
}

.btn:hover::before {
  left: 100%;
}

.btn:hover {
  background: linear-gradient(135deg, var(--accent-secondary), var(--cyber-blue));
  transform: translateY(-3px);
  box-shadow: 0 8px 25px rgba(255, 107, 53, 0.4);
}

.btn-secondary {
  background: linear-gradient(135deg, transparent, rgba(255, 107, 53, 0.1));
  border: 2px solid var(--accent-primary);
  color: var(--accent-primary);
}

.btn-secondary:hover {
  background: linear-gradient(135deg, var(--accent-primary), var(--accent-secondary));
  color: var(--bg-primary);
}

.btn-success {
  background: linear-gradient(135deg, var(--success), #2ecc71);
  border: 2px solid transparent;
  color: var(--bg-primary);
}

.btn-success:hover {
  background: linear-gradient(135deg, #2ecc71, var(--cyber-green));
  transform: translateY(-3px);
  box-shadow: 0 8px 25px rgba(57, 255, 20, 0.4);
}

/* Challenge Cards */
.challenges-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(420px, 1fr));
  gap: 2rem;
  margin-top: 2rem;
}

.challenge-card {
  background: linear-gradient(135deg, var(--bg-secondary), var(--bg-tertiary));
  border: 1px solid var(--border-color);
  border-radius: 20px;
  padding: 2rem;
  cursor: pointer;
  transition: all 0.3s ease;
  position: relative;
  overflow: hidden;
  backdrop-filter: blur(10px);
}

.challenge-card::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: 2px;
  background: rgba(58, 61, 92, 0.6);
}

.challenge-card::after {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  background: linear-gradient(135deg, rgba(0, 217, 255, 0.05), rgba(255, 107, 53, 0.05));
  opacity: 0;
  transition: opacity 0.3s ease;
  pointer-events: none;
}

.challenge-card:hover {
  border-color: var(--accent-primary);
  transform: translateY(-5px);
  box-shadow: 
    0 10px 30px rgba(255, 107, 53, 0.2),
    0 0 40px rgba(0, 217, 255, 0.1);
}

.challenge-card:hover::after {
  opacity: 1;
}

.challenge-header {
  display: flex;
  justify-content: space-between;
  align-items: flex-start;
  margin-bottom: 1.5rem;
}

.challenge-category {
  display: flex;
  align-items: center;
  gap: 0.75rem;
  color: var(--cyber-blue);
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 1px;
  font-size: 0.9rem;
}

.category-icon {
  width: 22px;
  height: 22px;
}

.challenge-status {
  margin-left: auto;
}

.status-badge {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  padding: 0.5rem 1.25rem;
  border-radius: 25px;
  font-size: 0.8rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 1px;
}

.status-solved {
  background: linear-gradient(135deg, rgba(57, 255, 20, 0.15), rgba(46, 204, 113, 0.15));
  color: rgba(57, 255, 20, 0.9);
  border: 1px solid rgba(57, 255, 20, 0.3);
  box-shadow: 0 0 8px rgba(57, 255, 20, 0.1);
}

.status-in-progress {
  background: linear-gradient(135deg, rgba(255, 159, 64, 0.15), rgba(243, 156, 18, 0.15));
  color: rgba(255, 159, 64, 0.9);
  border: 1px solid rgba(255, 159, 64, 0.3);
  box-shadow: 0 0 8px rgba(255, 159, 64, 0.1);
}

.status-not-started {
  display: none;
}

.challenge-name {
  font-size: 1.5rem;
  font-weight: 700;
  color: var(--text-primary);
  margin: 1rem 0;
  line-height: 1.3;
}

.challenge-meta {
  display: flex;
  justify-content: space-between;
  align-items: center;
  margin: 1.5rem 0;
}

.challenge-points {
  display: flex;
  align-items: center;
  gap: 0.5rem;
  color: var(--accent-primary);
  font-weight: 700;
  font-size: 1.1rem;
}

.challenge-assignee {
  display: flex;
  align-items: center;
  gap: 0.5rem;
  color: var(--text-secondary);
  font-size: 0.95rem;
  font-weight: 500;
}

.difficulty-badge {
  padding: 0.4rem 1rem;
  border-radius: 20px;
  font-size: 0.8rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 1px;
}

.difficulty-easy {
  background: linear-gradient(135deg, rgba(57, 255, 20, 0.15), rgba(46, 204, 113, 0.15));
  color: rgba(57, 255, 20, 0.9);
  border: 1px solid rgba(57, 255, 20, 0.3);
  box-shadow: 0 0 8px rgba(57, 255, 20, 0.1);
}

.difficulty-medium {
  background: linear-gradient(135deg, rgba(255, 159, 64, 0.15), rgba(243, 156, 18, 0.15));
  color: rgba(255, 159, 64, 0.9);
  border: 1px solid rgba(255, 159, 64, 0.3);
  box-shadow: 0 0 8px rgba(255, 159, 64, 0.1);
}

.difficulty-hard {
  background: linear-gradient(135deg, rgba(255, 0, 110, 0.15), rgba(231, 76, 60, 0.15));
  color: rgba(255, 0, 110, 0.9);
  border: 1px solid rgba(255, 0, 110, 0.3);
  box-shadow: 0 0 8px rgba(255, 0, 110, 0.1);
}

.challenge-tags {
  display: flex;
  flex-wrap: wrap;
  gap: 0.75rem;
  margin-top: 1.5rem;
}

.tag {
  background: linear-gradient(135deg, var(--bg-primary), var(--bg-secondary));
  color: var(--accent-primary);
  padding: 0.4rem 1rem;
  border-radius: 20px;
  font-size: 0.8rem;
  border: 1px solid var(--accent-primary);
  font-weight: 600;
  transition: all 0.3s ease;
}

.tag:hover {
  background: linear-gradient(135deg, var(--accent-primary), var(--cyber-blue));
  color: var(--bg-primary);
  box-shadow: 0 0 10px rgba(255, 107, 53, 0.4);
}

/* Right Panel */
.right-panel {
  display: none; /* Hidden - using full-screen challenge details now */
  position: fixed;
  right: 0;
  top: 0;
  width: 600px;
  height: 100vh;
  background: linear-gradient(180deg, var(--bg-secondary) 0%, var(--bg-tertiary) 100%);
  border-left: 2px solid transparent;
  border-image: linear-gradient(180deg, var(--cyber-blue), var(--accent-primary)) 1;
  transform: translateX(100%);
  transition: transform 0.4s ease;
  z-index: 200;
  padding: 2.5rem;
  overflow-y: auto;
  box-shadow: -10px 0 30px rgba(0, 0, 0, 0.5);
  backdrop-filter: blur(15px);
}

.right-panel.open {
  transform: translateX(0);
}

/* Utility Classes and remaining styles would continue with the same cyberpunk aesthetic... */
.hidden {
  display: none !important;
}

.loading {
  opacity: 0.5;
  pointer-events: none;
}

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

.text-muted {
  color: var(--text-muted);
}

.mt-1 { margin-top: 0.5rem; }
.mt-2 { margin-top: 1rem; }
.mt-3 { margin-top: 1.5rem; }
.mb-1 { margin-bottom: 0.5rem; }
.mb-2 { margin-bottom: 1rem; }
.mb-3 { margin-bottom: 1.5rem; }

.flex {
  display: flex;
}

.flex-column {
  flex-direction: column;
}

.justify-between {
  justify-content: space-between;
}

.align-center {
  align-items: center;
}

.gap-1 { gap: 0.5rem; }
.gap-2 { gap: 1rem; }
.gap-3 { gap: 1.5rem; }

/* Modal Styles */
.modal {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  background: rgba(0, 0, 0, 0.8);
  backdrop-filter: blur(5px);
  display: flex;
  align-items: center;
  justify-content: center;
  z-index: 1000;
  opacity: 0;
  visibility: hidden;
  transition: all 0.3s ease;
}

.modal.open {
  opacity: 1;
  visibility: visible;
}

.modal-content {
  background: linear-gradient(135deg, var(--bg-secondary), var(--bg-tertiary));
  border: 2px solid transparent;
  background-clip: padding-box;
  border-radius: 20px;
  width: 90%;
  max-width: 600px;
  max-height: 90vh;
  overflow-y: auto;
  position: relative;
  box-shadow: 
    0 20px 40px rgba(0, 0, 0, 0.5),
    0 0 40px rgba(255, 107, 53, 0.1);
  animation: modalSlideIn 0.3s ease;
}

.modal-content::before {
  content: '';
  position: absolute;
  inset: 0;
  padding: 2px;
  background: linear-gradient(135deg, var(--accent-primary), var(--cyber-blue));
  border-radius: 20px;
  mask: linear-gradient(#fff 0 0) content-box, linear-gradient(#fff 0 0);
  mask-composite: xor;
  z-index: -1;
}

@keyframes modalSlideIn {
  from {
    transform: translateY(-50px) scale(0.9);
    opacity: 0;
  }
  to {
    transform: translateY(0) scale(1);
    opacity: 1;
  }
}

.modal-header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 2rem 2rem 1rem 2rem;
  border-bottom: 2px solid transparent;
  border-image: linear-gradient(90deg, var(--cyber-blue), var(--accent-primary)) 1;
  margin-bottom: 2rem;
}

.modal-header h2 {
  color: var(--accent-primary);
  font-size: 1.8rem;
  margin: 0;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 1px;
  background: linear-gradient(135deg, var(--accent-primary), var(--cyber-blue));
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

.close-btn {
  background: none;
  border: none;
  color: var(--text-secondary);
  font-size: 2rem;
  cursor: pointer;
  padding: 0.5rem;
  border-radius: 50%;
  transition: all 0.3s ease;
  line-height: 1;
  width: 40px;
  height: 40px;
  display: flex;
  align-items: center;
  justify-content: center;
}

.close-btn:hover {
  color: var(--danger);
  background: rgba(255, 0, 110, 0.1);
  transform: rotate(90deg);
}

/* Form Styles */
.form-group {
  margin-bottom: 2rem;
  padding: 0 2.5rem;
}

.form-label {
  display: block;
  color: var(--accent-primary);
  font-weight: 700;
  margin-bottom: 0.75rem;
  text-transform: uppercase;
  letter-spacing: 1px;
  font-size: 0.9rem;
}

.form-input, select.form-input {
  width: 100%;
  padding: 1rem 1.5rem;
  background: linear-gradient(135deg, var(--bg-tertiary), var(--bg-primary));
  border: 2px solid var(--border-color);
  border-radius: 15px;
  color: var(--text-primary);
  font-family: inherit;
  font-size: 1rem;
  transition: all 0.3s ease;
  backdrop-filter: blur(5px);
}

.form-input:focus, select.form-input:focus {
  outline: none;
  border-color: var(--accent-primary);
  background: var(--bg-primary);
  box-shadow: 
    0 0 20px rgba(255, 107, 53, 0.3),
    inset 0 0 10px rgba(255, 107, 53, 0.1);
}

.form-input::placeholder {
  color: var(--text-muted);
  font-style: italic;
}

select.form-input {
  cursor: pointer;
  background-image: url("data:image/svg+xml,%3csvg xmlns='http://www.w3.org/2000/svg' fill='none' viewBox='0 0 20 20'%3e%3cpath stroke='%23ff6b35' stroke-linecap='round' stroke-linejoin='round' stroke-width='1.5' d='M6 8l4 4 4-4'/%3e%3c/svg%3e");
  background-position: right 1rem center;
  background-repeat: no-repeat;
  background-size: 1.5rem;
  padding-right: 3rem;
  appearance: none;
}

.form-actions {
  display: flex;
  gap: 1.5rem;
  padding: 2rem 2.5rem 3rem 2.5rem;
  justify-content: center;
  border-top: 1px solid var(--border-color);
  margin-top: 1.5rem;
}

.btn-secondary {
  background: linear-gradient(135deg, transparent, rgba(255, 107, 53, 0.1));
  border: 2px solid var(--accent-primary);
  color: var(--accent-primary);
}

.btn-secondary:hover {
  background: linear-gradient(135deg, var(--accent-primary), var(--accent-secondary));
  color: var(--bg-primary);
}

/* Error Styles */
.error {
  background: linear-gradient(135deg, rgba(255, 0, 110, 0.1), rgba(244, 67, 54, 0.1));
  border: 2px solid var(--danger);
  color: var(--danger);
  padding: 1rem 1.5rem;
  border-radius: 15px;
  margin: 1rem;
  font-weight: 600;
  text-align: center;
}

.success {
  background: linear-gradient(135deg, rgba(57, 255, 20, 0.1), rgba(46, 204, 113, 0.1));
  border: 2px solid var(--success);
  color: var(--success);
  padding: 1rem 1.5rem;
  border-radius: 15px;
  margin: 1rem;
  font-weight: 600;
  text-align: center;
}

/* Panel Header Styles */
.panel-header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  margin-bottom: 2rem;
  padding-bottom: 1rem;
  border-bottom: 2px solid var(--border-color);
}

.panel-title {
  color: var(--accent-primary);
  font-size: 1.5rem;
  margin: 0;
  font-weight: bold;
  text-transform: uppercase;
}

/* Chat Styles */
.chat-container {
  display: flex;
  flex-direction: column;
  height: 600px;
}

.chat-messages {
  flex: 1;
  overflow-y: auto;
  padding: 1rem;
  border: 2px solid var(--border-color);
  border-radius: 15px;
  margin-bottom: 1rem;
  background: var(--bg-tertiary);
}

.chat-message {
  display: flex;
  gap: 1rem;
  margin-bottom: 1rem;
  padding: 1rem;
  background: var(--bg-secondary);
  border-radius: 15px;
  border-left: 4px solid var(--accent-primary);
}

.message-avatar {
  width: 40px;
  height: 40px;
  border-radius: 50%;
  background: var(--accent-primary);
  display: flex;
  align-items: center;
  justify-content: center;
  font-weight: bold;
  color: var(--bg-primary);
  flex-shrink: 0;
}

.message-content {
  flex: 1;
}

.message-header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  margin-bottom: 0.5rem;
}

.message-author {
  font-weight: bold;
  color: var(--accent-primary);
}

.message-time {
  color: var(--text-muted);
  font-size: 0.8rem;
}

.message-text {
  color: var(--text-primary);
  line-height: 1.4;
}

.chat-input-form {
  display: flex;
  gap: 1rem;
}

.chat-input {
  flex: 1;
  padding: 1rem;
  background: var(--bg-tertiary);
  border: 2px solid var(--border-color);
  border-radius: 25px;
  color: var(--text-primary);
  font-family: inherit;
}

.chat-input:focus {
  outline: none;
  border-color: var(--accent-primary);
  background: var(--bg-primary);
}

/* Tools Grid */
.tools-grid {
  display: grid;
    grid-template-columns: repeat(auto-fit, minmax(420px, 1fr));
  gap: 2rem;
}

/* Tool Cards - Modern Redesign */
.tool-card {
    background: #ffffff;
    border: 1px solid #e5e7eb;
    border-radius: 16px;
    overflow: hidden;
    transition: all 0.2s cubic-bezier(0.4, 0, 0.2, 1);
    position: relative;
    box-shadow: 0 1px 3px 0 rgba(0, 0, 0, 0.1), 0 1px 2px 0 rgba(0, 0, 0, 0.06);
}

.tool-card:hover {
    transform: translateY(-2px);
    box-shadow: 0 10px 25px -3px rgba(0, 0, 0, 0.1), 0 4px 6px -2px rgba(0, 0, 0, 0.05);
    border-color: #d1d5db;
}

.tool-card.large-card {
    grid-column: 1 / -1;
    max-width: 900px;
    margin: 0 auto;
}

/* Tool Header - Cleaner Design */
.tool-header {
    padding: 1.5rem 1.5rem 1rem 1.5rem;
    background: #fafafa;
    border-bottom: 1px solid #f3f4f6;
  display: flex;
    align-items: flex-start;
  gap: 1rem;
}

.tool-icon {
    width: 48px;
    height: 48px;
    background: linear-gradient(135deg, #ff6b35, #ff8a50);
    border-radius: 12px;
    display: flex;
    align-items: center;
    justify-content: center;
    flex-shrink: 0;
    color: white;
    box-shadow: 0 4px 6px -1px rgba(255, 107, 53, 0.2);
}

.tool-info {
    flex: 1;
    min-width: 0;
}

.tool-title {
    font-size: 1.125rem;
    font-weight: 600;
    color: #111827;
    margin: 0 0 0.5rem 0;
    line-height: 1.25;
}

.tool-desc {
    color: #6b7280;
    font-size: 0.875rem;
  margin: 0;
    line-height: 1.5;
    font-weight: 400;
}

/* Tool Body - Better Spacing */
.tool-body {
    padding: 1.5rem;
    background: #ffffff;
}

/* Form Elements - Modern Design */
.form-group {
    margin-bottom: 1.5rem;
}

.form-row {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
    gap: 1rem;
    margin-bottom: 1.5rem;
}

.form-label {
    display: block;
    font-weight: 500;
  color: var(--text-primary);
    margin-bottom: 0.5rem;
    font-size: 0.875rem;
}

.form-input, .form-select, .tool-textarea {
    width: 100%;
    padding: 0.75rem 1rem;
    background: var(--bg-primary);
    border: 1.5px solid var(--border-color);
    border-radius: 8px;
    color: var(--text-primary) !important;
    font-family: inherit;
    font-size: 0.875rem;
    transition: all 0.15s ease-in-out;
    box-sizing: border-box;
}

.form-input:focus, .form-select:focus, .tool-textarea:focus {
  outline: none;
  border-color: var(--accent-primary);
    box-shadow: 0 0 0 3px rgba(255, 107, 53, 0.2);
    background: var(--bg-secondary);
    color: var(--text-primary) !important;
}

.form-input::placeholder, .tool-textarea::placeholder {
    color: var(--text-muted) !important;
    opacity: 0.8;
}

.form-select {
    cursor: pointer;
    background-image: url("data:image/svg+xml,%3csvg xmlns='http://www.w3.org/2000/svg' fill='none' viewBox='0 0 20 20'%3e%3cpath stroke='%236b7280' stroke-linecap='round' stroke-linejoin='round' stroke-width='1.5' d='M6 8l4 4 4-4'/%3e%3c/svg%3e");
    background-position: right 0.75rem center;
    background-repeat: no-repeat;
    background-size: 1.25rem;
    padding-right: 2.5rem;
    appearance: none;
}

.tool-textarea {
    min-height: 100px;
    resize: vertical;
    font-family: 'SF Mono', 'Monaco', 'Inconsolata', 'Roboto Mono', monospace;
    line-height: 1.5;
}

/* Tool Actions - Better Button Design */
.tool-actions {
  display: flex;
    gap: 0.75rem;
  flex-wrap: wrap;
    margin: 2rem 0 0 0;
    padding-top: 1.5rem;
    border-top: 1px solid #f3f4f6;
}

.tool-btn {
    padding: 0.625rem 1.25rem;
    border-radius: 8px;
  font-weight: 500;
    font-size: 0.875rem;
    cursor: pointer;
    transition: all 0.15s ease-in-out;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 0.5rem;
    border: none;
    text-decoration: none;
    min-height: 40px;
}

.tool-btn.primary {
    background: #ff6b35;
    color: white;
    box-shadow: 0 1px 2px 0 rgba(0, 0, 0, 0.05);
}

.tool-btn.primary:hover {
    background: #e55a2b;
    box-shadow: 0 4px 6px -1px rgba(0, 0, 0, 0.1), 0 2px 4px -1px rgba(0, 0, 0, 0.06);
}

.tool-btn.secondary {
    background: #ffffff;
    color: #374151;
    border: 1.5px solid #d1d5db;
}

.tool-btn.secondary:hover {
    background: #f9fafb;
    border-color: #9ca3af;
    color: #111827;
}

/* Tool Results - Cleaner Design */
.tool-result {
    margin-top: 1.5rem;
    min-height: 60px;
    animation: fadeIn 0.2s ease-out;
}

.tool-result:not(:empty) {
    background: transparent;
    border: none;
}

.tool-result:not(:empty)::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 3px;
    background: linear-gradient(90deg, #ff6b35, #fbbf24);
    border-radius: 8px 8px 0 0;
}

/* Dark mode adjustments for cybersecurity theme */
@media (prefers-color-scheme: dark) {
    .tool-card {
        background: var(--bg-secondary);
        border-color: var(--border-color);
    }
    
    .tool-header {
        background: var(--bg-primary);
        border-bottom-color: var(--border-color);
    }
    
    .tool-title {
        color: var(--text-primary);
    }
    
    .tool-desc {
        color: var(--text-secondary);
    }
    
    .tool-body {
        background: var(--bg-secondary);
    }
    
    .form-input, .form-select, .tool-textarea {
        background: var(--bg-primary);
        border-color: var(--border-color);
        color: var(--text-primary);
    }
    
    .form-input:focus, .form-select:focus, .tool-textarea:focus {
        border-color: var(--accent-primary);
        box-shadow: 0 0 0 3px rgba(255, 107, 53, 0.2);
    }
    
    .tool-actions {
        border-top-color: var(--border-color);
    }
    
    .tool-btn.secondary {
        background: var(--bg-primary);
        color: var(--text-primary);
        border-color: var(--border-color);
    }
    
    .tool-btn.secondary:hover {
        background: var(--bg-tertiary);
        border-color: var(--accent-primary);
    }
    
    .tool-result:not(:empty) {
        background: var(--bg-primary);
        border-color: var(--border-color);
    }
}

/* Team Status */
.stats-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
  gap: 1.5rem;
  margin-bottom: 3rem;
}

.stat-card {
  background: var(--bg-secondary);
  border: 2px solid var(--accent-primary);
  border-radius: 15px;
  padding: 2rem;
  text-align: center;
  transition: all 0.3s;
}

.stat-card:hover {
  box-shadow: 0 5px 20px rgba(255, 107, 53, 0.3);
  transform: translateY(-3px);
}

.stat-value {
  font-size: 3rem;
  font-weight: bold;
  color: var(--accent-primary);
  margin: 0.5rem 0;
}

.stat-label {
  color: var(--text-secondary);
  text-transform: uppercase;
  letter-spacing: 1px;
  font-size: 0.9rem;
  font-weight: 500;
}

.team-members-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(300px, 1fr));
  gap: 1.5rem;
}

.team-member-card {
  background: var(--bg-secondary);
  border: 2px solid var(--border-color);
  border-radius: 15px;
  padding: 1.5rem;
  transition: all 0.3s;
}

.team-member-card:hover {
  border-color: var(--accent-primary);
  box-shadow: 0 5px 15px rgba(255, 107, 53, 0.2);
}

.member-card-header {
  display: flex;
  align-items: center;
  gap: 1rem;
  margin-bottom: 1rem;
}

.member-card-avatar {
  width: 50px;
  height: 50px;
  border-radius: 50%;
  background: var(--accent-primary);
  display: flex;
  align-items: center;
  justify-content: center;
  font-weight: bold;
  font-size: 1.2rem;
  color: var(--bg-primary);
  position: relative;
}

.member-card-info {
  flex: 1;
}

.member-card-name {
  font-size: 1.2rem;
  font-weight: bold;
  color: var(--text-primary);
  margin: 0;
}

.member-card-specialty {
  color: var(--accent-primary);
  font-size: 0.9rem;
  margin: 0.2rem 0;
  font-weight: 500;
}

.member-card-status {
  color: var(--text-secondary);
  font-size: 0.8rem;
}

.member-card-actions {
  display: flex;
  gap: 1rem;
  margin-top: 1rem;
}

.member-card-stats {
  margin-top: 1rem;
  padding-top: 1rem;
  border-top: 1px solid var(--border-color);
  color: var(--text-secondary);
  font-size: 0.9rem;
}

/* Responsive Design */
@media (max-width: 768px) {
  .sidebar {
    width: 280px;
  }
  
  .main-content {
    padding: 1.5rem;
  }
  
  .header {
    padding: 1rem;
  }
  
  .right-panel {
    width: 100%;
  }
  
  .challenges-grid {
    grid-template-columns: 1fr;
  }
  
  .modal-content {
    width: 95%;
    margin: 1rem;
  }
  
  .form-actions {
    flex-direction: column;
  }
  
  .tools-grid {
    grid-template-columns: 1fr;
  }
}

/* Submitted Flags Styles */
.submitted-flags {
  max-height: 300px;
  overflow-y: auto;
  border: 1px solid var(--border-color);
  border-radius: 10px;
  padding: 1rem;
  background: linear-gradient(135deg, var(--bg-tertiary), rgba(26, 26, 46, 0.8));
  margin-bottom: 1rem;
}

.flag-entry {
  background: linear-gradient(135deg, var(--bg-secondary), var(--bg-primary));
  border: 1px solid var(--border-color);
  border-radius: 8px;
  padding: 1rem;
  margin-bottom: 0.75rem;
  transition: all 0.3s ease;
}

.flag-entry:hover {
  border-color: var(--accent-primary);
  box-shadow: 0 4px 15px rgba(255, 107, 53, 0.2);
}

.flag-entry:last-child {
  margin-bottom: 0;
}

.flag-header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  margin-bottom: 0.5rem;
  font-size: 0.85rem;
}

.flag-submitter {
  color: var(--accent-primary);
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 1px;
}

.flag-timestamp {
  color: var(--text-muted);
  font-size: 0.8rem;
}

.flag-content {
  background: var(--bg-primary);
  border: 1px solid var(--border-color);
  border-radius: 6px;
  padding: 0.75rem;
  font-family: 'Courier New', monospace;
  font-size: 0.9rem;
  color: var(--text-primary);
  word-break: break-all;
  white-space: pre-wrap;
}

.no-flags-message {
  text-align: center;
  padding: 2rem;
  background: linear-gradient(135deg, rgba(0, 217, 255, 0.05), rgba(255, 107, 53, 0.05));
  border: 1px dashed var(--border-color);
  border-radius: 10px;
}

.no-flags-message p {
  margin: 0.5rem 0;
}

/* Challenge Checklist Styles */
.challenge-checklist {
  margin-bottom: 2rem;
  background: linear-gradient(135deg, var(--bg-tertiary), rgba(26, 26, 46, 0.8));
  border: 2px solid var(--border-color);
  border-radius: 15px;
  padding: 1.5rem;
  position: relative;
  overflow: hidden;
}

.challenge-checklist::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: 3px;
  background: linear-gradient(90deg, var(--cyber-blue), var(--accent-primary), var(--cyber-purple));
}

.checklist-header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  margin-bottom: 1.5rem;
  padding-bottom: 1rem;
  border-bottom: 1px solid var(--border-color);
}

.checklist-actions {
  display: flex;
  gap: 0.75rem;
}

.btn-small {
  padding: 0.5rem 1rem;
  font-size: 0.85rem;
  border-radius: 20px;
  border: 2px solid transparent;
  cursor: pointer;
  transition: all 0.3s ease;
  text-transform: uppercase;
  letter-spacing: 1px;
  font-weight: 600;
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
}

.btn-small.btn-primary {
  background: linear-gradient(135deg, var(--accent-primary), var(--accent-secondary));
  color: var(--bg-primary);
}

.btn-small.btn-primary:hover {
  background: linear-gradient(135deg, var(--accent-secondary), var(--cyber-blue));
  transform: translateY(-2px);
  box-shadow: 0 4px 15px rgba(255, 107, 53, 0.4);
}

.btn-small.btn-secondary {
  background: transparent;
  border-color: var(--accent-primary);
  color: var(--accent-primary);
}

.btn-small.btn-secondary:hover {
  background: linear-gradient(135deg, var(--accent-primary), var(--accent-secondary));
  color: var(--bg-primary);
}

.btn-small.btn-danger {
  background: linear-gradient(135deg, rgba(255, 0, 110, 0.15), rgba(244, 67, 54, 0.15));
  color: rgba(255, 0, 110, 0.9);
  border: 1px solid rgba(255, 0, 110, 0.3);
  box-shadow: 0 0 8px rgba(255, 0, 110, 0.1);
}

.btn-small.btn-danger:hover {
  background: linear-gradient(135deg, var(--danger), #e74c3c);
  color: var(--bg-primary);
  border-color: var(--danger);
  box-shadow: 0 4px 15px rgba(255, 0, 110, 0.3);
}

.checklist-container {
  max-height: 400px;
  overflow-y: auto;
  border: 1px solid var(--border-color);
  border-radius: 10px;
  padding: 1rem;
  margin-top: 1rem;
}

.checklist-item {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 1rem;
  margin-bottom: 0.75rem;
  background: linear-gradient(135deg, var(--bg-secondary), var(--bg-primary));
  border: 2px solid var(--border-color);
  border-radius: 10px;
  transition: all 0.3s ease;
  position: relative;
}

.checklist-item:hover {
  border-color: var(--accent-primary);
  box-shadow: 0 4px 15px rgba(255, 107, 53, 0.2);
  transform: translateX(5px);
}

.checklist-item.status-completed {
  border-color: var(--success);
  background: linear-gradient(135deg, rgba(57, 255, 20, 0.1), var(--bg-secondary));
}

.checklist-item.status-failed {
  border-color: var(--danger);
  background: linear-gradient(135deg, rgba(255, 0, 110, 0.1), var(--bg-secondary));
}

.checklist-item.status-in-progress {
  border-color: var(--warning);
  background: linear-gradient(135deg, rgba(255, 159, 64, 0.1), var(--bg-secondary));
}

.checklist-item.status-pending {
  border-color: var(--text-muted);
  background: linear-gradient(135deg, rgba(108, 114, 147, 0.1), var(--bg-secondary));
}

.checklist-content {
  flex: 1;
  display: flex;
  align-items: center;
  gap: 1rem;
}

.checklist-icon {
  width: 24px;
  height: 24px;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.2rem;
  font-weight: bold;
}

.status-completed .checklist-icon {
  color: var(--success);
  text-shadow: 0 0 10px rgba(57, 255, 20, 0.5);
}

.status-failed .checklist-icon {
  color: var(--danger);
  text-shadow: 0 0 10px rgba(255, 0, 110, 0.5);
}

.status-in-progress .checklist-icon {
  color: var(--warning);
  text-shadow: 0 0 10px rgba(255, 159, 64, 0.5);
}

.status-pending .checklist-icon {
  color: var(--text-muted);
}

.checklist-text {
  color: var(--text-primary);
  font-weight: 600;
  flex: 1;
}

.checklist-meta {
  display: flex;
  flex-direction: column;
  align-items: flex-end;
  gap: 0.25rem;
  font-size: 0.8rem;
}

.checklist-assignee {
  color: var(--accent-primary);
  font-weight: 600;
}

.checklist-timestamp {
  color: var(--text-muted);
}

.checklist-controls {
  display: flex;
  gap: 0.5rem;
  margin-left: 1rem;
}

.status-btn {
  width: 32px;
  height: 32px;
  border: 2px solid transparent;
  border-radius: 50%;
  cursor: pointer;
  transition: all 0.3s ease;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1rem;
  font-weight: bold;
  background: var(--bg-tertiary);
  color: var(--text-muted);
}

.status-btn:hover {
  transform: scale(1.1);
  box-shadow: 0 4px 15px rgba(0, 0, 0, 0.3);
}

.status-btn.completed {
  border-color: var(--success);
  color: var(--success);
}

.status-btn.completed:hover {
  background: var(--success);
  color: var(--bg-primary);
  box-shadow: 0 0 15px rgba(57, 255, 20, 0.5);
}

.status-btn.failed {
  border-color: var(--danger);
  color: var(--danger);
}

.status-btn.failed:hover {
  background: var(--danger);
  color: var(--bg-primary);
  box-shadow: 0 0 15px rgba(255, 0, 110, 0.5);
}

.status-btn.in-progress {
  border-color: var(--warning);
  color: var(--warning);
}

.status-btn.in-progress:hover {
  background: var(--warning);
  color: var(--bg-primary);
  box-shadow: 0 0 15px rgba(255, 159, 64, 0.5);
}

.status-btn.pending {
  border-color: var(--text-muted);
  color: var(--text-muted);
}

.status-btn.pending:hover {
  background: var(--text-muted);
  color: var(--bg-primary);
}

.add-checklist-item {
  margin-top: 1rem;
  padding: 1rem;
  background: linear-gradient(135deg, var(--bg-primary), var(--bg-secondary));
  border: 2px dashed var(--accent-primary);
  border-radius: 10px;
}

/* File Upload Styles */
.upload-section {
  margin-bottom: 1.5rem;
}

.upload-area {
  border: 3px dashed var(--accent-primary);
  border-radius: 15px;
  padding: 2rem;
  text-align: center;
  cursor: pointer;
  background: linear-gradient(135deg, rgba(255, 107, 53, 0.05), rgba(0, 217, 255, 0.05));
  transition: all 0.3s ease;
  position: relative;
  overflow: hidden;
}

.upload-area::before {
  content: '';
  position: absolute;
  top: 0;
  left: -100%;
  width: 100%;
  height: 100%;
  background: linear-gradient(90deg, transparent, rgba(255, 107, 53, 0.1), transparent);
  transition: left 0.5s ease;
}

.upload-area:hover::before {
  left: 100%;
}

.upload-area:hover {
  border-color: var(--cyber-blue);
  background: linear-gradient(135deg, rgba(0, 217, 255, 0.1), rgba(255, 107, 53, 0.1));
  transform: scale(1.02);
  box-shadow: 0 8px 25px rgba(255, 107, 53, 0.2);
}

.upload-icon {
  font-size: 3rem;
  margin-bottom: 1rem;
  filter: drop-shadow(0 0 10px rgba(255, 107, 53, 0.5));
}

.upload-text {
  color: var(--text-primary);
  line-height: 1.6;
}

.upload-text strong {
  color: var(--accent-primary);
  font-size: 1.1rem;
}

.upload-text small {
  color: var(--text-muted);
  font-size: 0.9rem;
}

.uploaded-files {
  max-height: 300px;
  overflow-y: auto;
  border: 1px solid var(--border-color);
  border-radius: 10px;
  padding: 1rem;
  background: linear-gradient(135deg, var(--bg-tertiary), rgba(26, 26, 46, 0.8));
}

.uploaded-file {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 1rem;
  margin-bottom: 0.75rem;
  background: linear-gradient(135deg, var(--bg-secondary), var(--bg-primary));
  border: 1px solid var(--border-color);
  border-radius: 8px;
  transition: all 0.3s ease;
}

.uploaded-file:hover {
  border-color: var(--accent-primary);
  box-shadow: 0 4px 15px rgba(255, 107, 53, 0.2);
  transform: translateX(5px);
}

.uploaded-file:last-child {
  margin-bottom: 0;
}

.file-info {
  display: flex;
  align-items: center;
  gap: 1rem;
  flex: 1;
}

.file-icon {
  font-size: 1.5rem;
  width: 40px;
  text-align: center;
}

.file-details {
  flex: 1;
}

.file-name {
  color: var(--text-primary);
  font-weight: 600;
  display: block;
  margin-bottom: 0.25rem;
}

.file-meta {
  color: var(--text-muted);
  font-size: 0.85rem;
}

.file-actions {
  display: flex;
  gap: 0.5rem;
}

/* Enhanced Form Styles */
.textarea {
  min-height: 120px;
  resize: vertical;
  font-family: 'Courier New', monospace;
}

/* Progress Indicators */
.progress-bar {
  width: 100%;
  height: 8px;
  background: var(--bg-tertiary);
  border-radius: 4px;
  overflow: hidden;
  margin: 1rem 0;
}

.progress-fill {
  height: 100%;
  background: linear-gradient(90deg, var(--accent-primary), var(--cyber-blue));
  border-radius: 4px;
  transition: width 0.3s ease;
  box-shadow: 0 0 10px rgba(255, 107, 53, 0.5);
}

/* Notification Styles */
.notification {
  position: fixed;
  top: 100px;
  right: 20px;
  padding: 1rem 1.5rem;
  border-radius: 10px;
  color: var(--text-primary);
  font-weight: 600;
  z-index: 1000;
  transform: translateX(100%);
  transition: transform 0.3s ease;
  min-width: 300px;
  box-shadow: 0 4px 15px rgba(0, 0, 0, 0.2);
}

.notification.show {
  transform: translateX(0);
}

.notification.success {
  background: linear-gradient(135deg, rgba(57, 255, 20, 0.15), rgba(46, 204, 113, 0.15));
  color: rgba(57, 255, 20, 0.9);
  border: 1px solid rgba(57, 255, 20, 0.3);
  box-shadow: 0 0 8px rgba(57, 255, 20, 0.1);
}

.notification.error {
  background: linear-gradient(135deg, rgba(255, 0, 110, 0.15), rgba(231, 76, 60, 0.15));
  color: rgba(255, 0, 110, 0.9);
  border: 1px solid rgba(255, 0, 110, 0.3);
  box-shadow: 0 0 8px rgba(255, 0, 110, 0.1);
}

.notification.info {
  background: linear-gradient(135deg, rgba(0, 217, 255, 0.15), rgba(0, 217, 255, 0.15));
  color: rgba(0, 217, 255, 0.9);
  border: 1px solid rgba(0, 217, 255, 0.3);
  box-shadow: 0 0 8px rgba(0, 217, 255, 0.1);
}

/* Tooltip Styles */
.tooltip {
  position: relative;
  display: inline-block;
}

.tooltip .tooltiptext {
  visibility: hidden;
  width: 200px;
  background: linear-gradient(135deg, var(--bg-primary), var(--bg-secondary));
  color: var(--text-primary);
  text-align: center;
  border-radius: 8px;
  padding: 0.75rem;
  position: absolute;
  z-index: 1;
  bottom: 125%;
  left: 50%;
  margin-left: -100px;
  opacity: 0;
  transition: opacity 0.3s;
  border: 1px solid var(--accent-primary);
  font-size: 0.85rem;
  box-shadow: 0 8px 25px rgba(0, 0, 0, 0.3);
}

.tooltip .tooltiptext::after {
  content: "";
  position: absolute;
  top: 100%;
  left: 50%;
  margin-left: -5px;
  border-width: 5px;
  border-style: solid;
  border-color: var(--accent-primary) transparent transparent transparent;
}

.tooltip:hover .tooltiptext {
  visibility: visible;
  opacity: 1;
}

/* Enhanced animations */
@keyframes slideInRight {
  from {
    opacity: 0;
    transform: translateX(30px);
  }
  to {
    opacity: 1;
    transform: translateX(0);
  }
}

.fade-in-up {
  animation: fadeInUp 0.6s ease;
}

.slide-in-right {
  animation: slideInRight 0.4s ease;
}

/* Custom Scrollbar */
.checklist-container::-webkit-scrollbar,
.submitted-flags::-webkit-scrollbar,
.uploaded-files::-webkit-scrollbar {
  width: 8px;
}

.checklist-container::-webkit-scrollbar-track,
.submitted-flags::-webkit-scrollbar-track,
.uploaded-files::-webkit-scrollbar-track {
  background: var(--bg-tertiary);
  border-radius: 4px;
}

.checklist-container::-webkit-scrollbar-thumb,
.submitted-flags::-webkit-scrollbar-thumb,
.uploaded-files::-webkit-scrollbar-thumb {
  background: linear-gradient(135deg, var(--accent-primary), var(--cyber-blue));
  border-radius: 4px;
}

.checklist-container::-webkit-scrollbar-thumb:hover,
.submitted-flags::-webkit-scrollbar-thumb:hover,
.uploaded-files::-webkit-scrollbar-thumb:hover {
  background: linear-gradient(135deg, var(--cyber-blue), var(--cyber-purple));
}

/* Full-Screen Challenge Detail Styles */
.challenge-detail-container {
  display: none;
  width: 100%;
  padding: 2rem;
  background: var(--bg-primary);
  border-radius: 20px;
  animation: fadeInUp 0.6s ease;
}

.challenge-detail-header {
  display: flex;
  align-items: center;
  gap: 2rem;
  margin-bottom: 2rem;
  padding-bottom: 1rem;
  border-bottom: 2px solid transparent;
  border-image: linear-gradient(90deg, var(--cyber-blue), var(--accent-primary)) 1;
}

.back-btn {
  display: flex;
  align-items: center;
  gap: 0.75rem;
  padding: 0.75rem 1.5rem;
  background: linear-gradient(135deg, var(--bg-secondary), var(--bg-tertiary));
  border: 2px solid var(--border-color);
  color: var(--text-secondary);
  border-radius: 25px;
  cursor: pointer;
  transition: all 0.3s ease;
  text-decoration: none;
  font-weight: 600;
  font-size: 0.95rem;
}

.back-btn:hover {
  background: linear-gradient(135deg, var(--accent-primary), var(--accent-secondary));
  color: var(--bg-primary);
  border-color: var(--accent-primary);
  transform: translateX(-5px);
  box-shadow: 0 4px 15px rgba(255, 107, 53, 0.3);
}

.challenge-detail-title {
  color: var(--accent-primary);
  font-size: 2rem;
  margin: 0;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 2px;
  background: linear-gradient(135deg, var(--accent-primary), var(--cyber-blue));
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

.challenge-detail-content {
  display: grid;
  grid-template-columns: 1fr;
  gap: 2rem;
}

.challenge-info-section {
  background: linear-gradient(135deg, var(--bg-secondary), var(--bg-tertiary));
  border: 2px solid var(--border-color);
  border-radius: 15px;
  padding: 2rem;
  margin-bottom: 2rem;
}

.challenge-meta-row {
  display: flex;
  align-items: center;
  gap: 2rem;
  margin: 1.5rem 0;
  flex-wrap: wrap;
}

.challenge-details-row {
  display: flex;
  justify-content: space-between;
  align-items: center;
  margin-top: 1rem;
  flex-wrap: wrap;
  gap: 1rem;
}

.challenge-sections {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 2rem;
  margin-top: 1rem;
}

.left-section, .right-section {
  display: flex;
  flex-direction: column;
  gap: 2rem;
}

/* Left section specific styling */
.left-section {
  min-height: fit-content;
}

/* Right section specific styling */
.right-section {
  min-height: fit-content;
}

/* Loading States */
.loading-container {
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  padding: 4rem 2rem;
  text-align: center;
}

.loading-spinner {
  width: 50px;
  height: 50px;
  border: 4px solid var(--bg-tertiary);
  border-top: 4px solid var(--accent-primary);
  border-radius: 50%;
  animation: spin 1s linear infinite;
  margin-bottom: 1rem;
}

.error-container {
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  padding: 4rem 2rem;
  text-align: center;
  background: linear-gradient(135deg, rgba(255, 0, 110, 0.1), rgba(244, 67, 54, 0.1));
  border: 2px solid var(--danger);
  border-radius: 15px;
}

.error-container h2 {
  color: var(--danger);
  margin-bottom: 1rem;
}

/* Responsive adjustments for challenge detail */
@media (max-width: 1200px) {
  .challenge-sections {
    grid-template-columns: 1fr;
    gap: 1.5rem;
  }
}

@media (max-width: 768px) {
  .challenge-detail-header {
    flex-direction: column;
    align-items: flex-start;
    gap: 1rem;
  }
  
  .challenge-meta-row {
    flex-direction: column;
    align-items: flex-start;
    gap: 1rem;
  }
  
  .challenge-details-row {
    flex-direction: column;
    align-items: flex-start;
  }
  
  .challenge-sections {
    grid-template-columns: 1fr;
    gap: 1rem;
  }
}

/* Code Viewer Modal Styles */
.code-modal {
  display: none;
  position: fixed;
  z-index: 10000;
  left: 0;
  top: 0;
  width: 100%;
  height: 100%;
  background: rgba(10, 10, 15, 0.95);
  backdrop-filter: blur(10px);
  justify-content: center;
  align-items: center;
  animation: fadeIn 0.3s ease;
}

.code-modal-content {
  background: linear-gradient(135deg, var(--bg-secondary), var(--bg-tertiary));
  border: 2px solid var(--accent-primary);
  border-radius: 20px;
  width: 90%;
  max-width: 1200px;
  max-height: 90vh;
  display: flex;
  flex-direction: column;
  box-shadow: 
    0 20px 60px rgba(255, 107, 53, 0.3),
    0 0 100px rgba(0, 217, 255, 0.2),
    inset 0 0 50px rgba(157, 78, 221, 0.1);
  animation: slideInUp 0.4s ease;
}

.code-modal-header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 1.5rem 2rem;
  border-bottom: 2px solid var(--border-color);
  background: linear-gradient(135deg, rgba(255, 107, 53, 0.1), rgba(0, 217, 255, 0.1));
}

.code-modal-header h3 {
  margin: 0;
  color: var(--accent-primary);
  font-size: 1.5rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 2px;
  background: linear-gradient(135deg, var(--accent-primary), var(--cyber-blue));
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

.code-modal-close {
  background: none;
  border: none;
  color: var(--text-secondary);
  font-size: 2rem;
  cursor: pointer;
  padding: 0.5rem;
  border-radius: 50%;
  transition: all 0.3s ease;
  width: 45px;
  height: 45px;
  display: flex;
  align-items: center;
  justify-content: center;
}

.code-modal-close:hover {
  background: var(--danger);
  color: white;
  transform: rotate(90deg) scale(1.1);
  box-shadow: 0 0 20px rgba(255, 0, 110, 0.5);
}

.code-modal-body {
  flex: 1;
  overflow: auto;
  padding: 0;
  background: var(--bg-primary);
  margin: 1rem;
  border-radius: 15px;
  border: 1px solid var(--border-color);
}

#code-content {
  margin: 0;
  padding: 2rem;
  background: var(--bg-primary);
  border-radius: 15px;
  font-family: 'Fira Code', 'Monaco', 'Menlo', 'Ubuntu Mono', monospace;
  font-size: 14px;
  line-height: 1.6;
  overflow-x: auto;
  position: relative;
}

#code-content::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: 3px;
  background: linear-gradient(90deg, var(--accent-primary), var(--cyber-blue), var(--cyber-purple));
}

#code-text {
  color: var(--text-primary);
  background: none;
  border: none;
  font-family: inherit;
  font-size: inherit;
  line-height: inherit;
  white-space: pre;
  word-wrap: normal;
  display: block;
  overflow-x: auto;
}

/* Simple Syntax Highlighting */
.language-python {
  color: var(--text-primary);
}

.language-javascript {
  color: var(--cyber-blue);
}

.language-bash {
  color: var(--cyber-green);
}

.language-php {
  color: var(--cyber-purple);
}

.language-c,
.language-cpp {
  color: var(--accent-secondary);
}

.language-java {
  color: var(--accent-tertiary);
}

.language-ruby {
  color: var(--cyber-pink);
}

.language-go {
  color: var(--cyber-blue);
}

.language-markdown {
  color: var(--text-secondary);
}

.language-text {
  color: var(--text-primary);
}

.code-modal-footer {
  padding: 1.5rem 2rem;
  border-top: 2px solid var(--border-color);
  display: flex;
  gap: 1rem;
  justify-content: flex-end;
  background: linear-gradient(135deg, rgba(255, 107, 53, 0.05), rgba(0, 217, 255, 0.05));
}

/* Code Modal Animations */
@keyframes fadeIn {
  from { opacity: 0; }
  to { opacity: 1; }
}

@keyframes slideInUp {
  from {
    opacity: 0;
    transform: translateY(100px) scale(0.9);
  }
  to {
    opacity: 1;
    transform: translateY(0) scale(1);
  }
}

/* Enhanced scrollbar for code content */
#code-content::-webkit-scrollbar {
  width: 12px;
  height: 12px;
}

#code-content::-webkit-scrollbar-track {
  background: var(--bg-tertiary);
  border-radius: 6px;
}

#code-content::-webkit-scrollbar-thumb {
  background: linear-gradient(135deg, var(--accent-primary), var(--cyber-blue));
  border-radius: 6px;
  border: 2px solid var(--bg-tertiary);
}

#code-content::-webkit-scrollbar-thumb:hover {
  background: linear-gradient(135deg, var(--cyber-blue), var(--cyber-purple));
}

/* Mobile responsiveness for code modal */
@media (max-width: 768px) {
  .code-modal-content {
    width: 95%;
    max-height: 95vh;
    margin: 1rem;
  }
  
  .code-modal-header,
  .code-modal-footer {
    padding: 1rem;
  }
  
  .code-modal-header h3 {
    font-size: 1.2rem;
  }
  
  #code-content {
    padding: 1rem;
    font-size: 12px;
  }
  
  .code-modal-footer {
    flex-direction: column;
  }
}

/* Enhanced notes section styling */
.notes-section {
  position: relative;
}

.notes-meta {
  margin-top: 0.5rem;
  padding: 0.5rem;
  background: linear-gradient(135deg, rgba(255, 107, 53, 0.05), rgba(0, 217, 255, 0.05));
  border-radius: 8px;
  border: 1px solid var(--border-color);
}

.notes-section .textarea {
  transition: all 0.3s ease;
  min-height: 120px;
  resize: vertical;
}

.notes-section .textarea:focus {
  border-color: var(--accent-primary);
  box-shadow: 0 0 20px rgba(255, 107, 53, 0.3);
  background: linear-gradient(135deg, var(--bg-secondary), rgba(255, 107, 53, 0.05));
}

/* ===== NEW TOOLS STYLING ===== */

.tools-container {
    padding: 0;
    max-width: 100%;
}

/* Header Section */
.tools-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 2rem;
    padding-bottom: 1.5rem;
    border-bottom: 2px solid transparent;
    border-image: linear-gradient(90deg, var(--cyber-blue), var(--accent-primary)) 1;
}

.tools-title-section h1.tools-main-title {
    font-size: 2.5rem;
    font-weight: 900;
    color: var(--text-primary);
    margin: 0;
    text-transform: uppercase;
    letter-spacing: 2px;
    background: linear-gradient(135deg, var(--text-primary), var(--accent-primary));
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.tools-subtitle {
    color: var(--text-secondary);
    margin: 0.5rem 0 0 0;
    font-size: 1rem;
    font-weight: 500;
}

.tools-search {
    display: flex;
    align-items: center;
}

.search-box {
    position: relative;
    display: flex;
    align-items: center;
    background: linear-gradient(135deg, var(--bg-secondary), var(--bg-tertiary));
    border: 2px solid var(--border-color);
    border-radius: 25px;
    padding: 0 1rem;
    transition: all 0.3s ease;
}

.search-box:focus-within {
    border-color: var(--accent-primary);
    box-shadow: 0 0 20px rgba(255, 107, 53, 0.3);
}

.search-box svg {
    color: var(--text-secondary);
    margin-right: 0.5rem;
}

.search-input-tools {
    background: transparent;
    border: none;
    padding: 0.8rem 0;
    color: var(--text-primary);
    font-size: 0.95rem;
    outline: none;
    width: 300px;
}

.search-input-tools::placeholder {
    color: var(--text-muted);
}

/* Navigation */
.tools-navigation {
    margin-bottom: 2rem;
    background: linear-gradient(135deg, var(--bg-secondary), var(--bg-tertiary));
    border-radius: 15px;
    overflow: hidden;
    box-shadow: 0 4px 20px rgba(0, 0, 0, 0.2);
}

.tools-nav {
    display: flex;
    background: var(--bg-primary);
    border-bottom: 2px solid var(--border-color);
    overflow-x: auto;
}

.nav-tab {
    background: none;
    border: none;
    padding: 1.2rem 1.8rem;
    color: var(--text-secondary);
    font-weight: 600;
    font-size: 0.95rem;
    cursor: pointer;
    transition: all 0.3s ease;
    display: flex;
    align-items: center;
    gap: 0.8rem;
    white-space: nowrap;
    border-bottom: 3px solid transparent;
    position: relative;
    overflow: hidden;
}

.nav-tab::before {
    content: '';
    position: absolute;
    top: 0;
    left: -100%;
    width: 100%;
    height: 100%;
    background: linear-gradient(90deg, transparent, rgba(255, 107, 53, 0.1), transparent);
    transition: left 0.5s ease;
}

.nav-tab:hover::before {
    left: 100%;
}

.nav-tab:hover {
    background: linear-gradient(135deg, rgba(255, 107, 53, 0.1), rgba(0, 217, 255, 0.05));
    color: var(--accent-primary);
}

.nav-tab.active {
    background: linear-gradient(135deg, rgba(255, 107, 53, 0.2), rgba(0, 217, 255, 0.1));
    color: var(--accent-primary);
    border-bottom-color: var(--accent-primary);
    font-weight: 700;
}

.nav-tab svg {
    width: 20px;
    height: 20px;
}

/* Content Area */
.tools-content {
    min-height: 600px;
}

.category-section {
    display: none !important;
}

.category-section.active {
    display: block !important;
}

/* Tool Results */
.tool-result {
    margin-top: 1.5rem;
    min-height: 60px;
    animation: fadeIn 0.2s ease-out;
}

/* Form Elements - Modern Design with Better Visibility */
.form-group {
    margin-bottom: 1.5rem;
}

.form-row {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
    gap: 1rem;
    margin-bottom: 1.5rem;
}

.form-label {
    display: block;
    font-weight: 500;
    color: var(--text-primary);
    margin-bottom: 0.5rem;
    font-size: 0.875rem;
}

/* Tool Results - Seamless Integration */
.tool-result {
    margin-top: 1.5rem;
    min-height: 60px;
    animation: fadeIn 0.2s ease-out;
}

.tool-result:not(:empty) {
    background: transparent;
    border: none;
    border-radius: 0;
    padding: 0;
    position: relative;
}

.tool-result:not(:empty)::before {
    content: '';
    position: absolute;
    top: -0.75rem;
    left: 0;
    right: 0;
    height: 2px;
    background: linear-gradient(90deg, var(--accent-primary), var(--cyber-blue));
    border-radius: 1px;
    opacity: 0.6;
}

/* Common Tool Styling - Consolidated from individual files */
.tool-error {
    background: rgba(255, 0, 110, 0.1);
    border: 2px solid var(--danger);
    border-radius: 8px;
    padding: 1rem;
    color: var(--danger);
    font-weight: 600;
}

.text-box {
    background: var(--bg-primary);
    border: 2px solid var(--border-color);
    border-radius: 8px;
    padding: 1rem;
    font-family: 'Courier New', monospace;
    font-size: 0.9rem;
    line-height: 1.4;
    white-space: pre-wrap;
    word-break: break-word;
    margin: 0.5rem 0;
}

.analysis-section {
    background: var(--bg-primary);
    border: 1px solid var(--border-color);
    border-radius: 8px;
    padding: 1.5rem;
    margin: 1rem 0;
}

.analysis-section h5 {
    margin: 0 0 1rem 0;
    color: var(--accent-primary);
    font-size: 1.1rem;
    font-weight: 700;
}

.result-box {
    background: var(--bg-secondary);
    border: 1px solid var(--success);
    border-radius: 6px;
    padding: 1rem;
    font-family: 'Courier New', monospace;
    font-size: 0.9rem;
}

/* Wordlist specific styles */
.wordlist-info {
    background: var(--bg-secondary);
    border: 1px solid var(--border-color);
    border-radius: 8px;
    padding: 1rem;
    margin-bottom: 1rem;
}

.info-item {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 0.5rem 0;
    border-bottom: 1px solid var(--border-color);
}

.info-item:last-child {
    border-bottom: none;
}

.info-item strong {
    color: var(--accent-primary);
    font-weight: 600;
    min-width: 80px;
}

.tool-btn.primary {
    background: var(--accent-primary);
    color: var(--text-primary);
    text-decoration: none;
    display: inline-flex;
    align-items: center;
    gap: 0.5rem;
}

.tool-btn.primary:hover {
    background: var(--cyber-blue);
    transform: translateY(-2px);
}

.tool-btn.secondary {
    background: var(--bg-tertiary);
    border: 1px solid var(--border-color);
    color: var(--text-secondary);
}

.tool-btn.secondary:hover {
    background: var(--bg-primary);
    color: var(--text-primary);
    border-color: var(--accent-primary);
}

/* Upload Form Specific Styles */
.upload-section {
    margin-bottom: 2rem;
}

.upload-card {
    border: 2px dashed var(--border-color);
    background: linear-gradient(135deg, var(--bg-primary) 0%, var(--bg-secondary) 100%);
    transition: all 0.3s ease;
}

.upload-card:hover {
    border-color: var(--accent-primary);
    transform: translateY(-2px);
    box-shadow: 0 12px 30px rgba(255, 107, 53, 0.15);
}

.file-input {
    background: var(--bg-secondary);
    border: 2px solid var(--border-color);
    border-radius: 8px;
    padding: 0.75rem;
    transition: all 0.3s ease;
    cursor: pointer;
}

.file-input:hover {
    border-color: var(--accent-primary);
    background: var(--bg-primary);
}

.file-input:focus {
    outline: none;
    border-color: var(--cyber-blue);
    box-shadow: 0 0 0 3px rgba(33, 150, 243, 0.2);
}

.form-hint {
    display: block;
    margin-top: 0.5rem;
    font-size: 0.8rem;
    color: var(--text-secondary);
    font-style: italic;
}

/* Upload States */
.upload-loading {
    background: linear-gradient(135deg, var(--bg-primary), var(--bg-secondary));
    border: 2px solid var(--cyber-blue);
    border-radius: 12px;
    padding: 1.5rem;
    text-align: center;
    font-weight: 600;
    color: var(--cyber-blue);
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 1rem;
}

.loading-spinner {
    width: 20px;
    height: 20px;
    border: 2px solid var(--border-color);
    border-top: 2px solid var(--cyber-blue);
    border-radius: 50%;
    animation: spin 1s linear infinite;
}

.upload-success {
    background: linear-gradient(135deg, rgba(57, 255, 20, 0.1), rgba(76, 175, 80, 0.1));
    border: 2px solid var(--success);
    border-radius: 12px;
    padding: 1.5rem;
    animation: fadeInUp 0.5s ease-out;
}

.success-header {
    display: flex;
    align-items: center;
    gap: 1rem;
    margin-bottom: 1rem;
}

.success-icon {
    font-size: 2rem;
    animation: bounce 0.6s ease-out;
}

.success-header h4 {
    margin: 0;
    color: var(--success);
    font-size: 1.2rem;
}

.upload-details {
    background: var(--bg-secondary);
    border-radius: 8px;
    padding: 1rem;
    margin: 1rem 0;
}

.detail-item {
    display: flex;
    justify-content: space-between;
    padding: 0.5rem 0;
    border-bottom: 1px solid var(--border-color);
}

.detail-item:last-child {
    border-bottom: none;
}

.detail-item strong {
    color: var(--accent-primary);
    font-weight: 600;
}

.upload-actions {
    display: flex;
        gap: 1rem;
    margin-top: 1rem;
    flex-wrap: wrap;
}

/* Uploaded Wordlists Section */
.uploaded-section {
    margin-bottom: 2rem;
}

.uploaded-container {
    margin-bottom: 2rem;
    }
    
.uploaded-wordlists {
    margin-bottom: 2rem;
    }

.uploaded-header {
    background: var(--bg-primary);
    border: 1px solid var(--border-color);
    border-radius: 12px;
    padding: 1.5rem;
    margin-bottom: 1.5rem;
    text-align: center;
    }
    
.uploaded-header h4 {
    margin: 0 0 0.5rem 0;
    color: var(--accent-primary);
    font-size: 1.3rem;
    }
    
.uploaded-header p {
    margin: 0;
    color: var(--text-secondary);
    font-size: 0.9rem;
    }
    
.uploaded-wordlist {
    border-left: 4px solid var(--cyber-blue);
    background: linear-gradient(135deg, var(--bg-primary) 0%, var(--bg-secondary) 100%);
    }
    
.uploaded-wordlist:hover {
    border-left-color: var(--accent-primary);
    transform: translateY(-3px);
    box-shadow: 0 15px 35px rgba(255, 107, 53, 0.2);
    }
    
.no-uploads {
    background: var(--bg-secondary);
    border: 2px dashed var(--border-color);
    border-radius: 12px;
    padding: 3rem;
        text-align: center;
    color: var(--text-secondary);
    }
    
.no-uploads-icon {
    font-size: 3rem;
    margin-bottom: 1rem;
    opacity: 0.6;
}

.no-uploads h4 {
    margin: 0 0 1rem 0;
    color: var(--text-primary);
    font-size: 1.2rem;
    }
    
.no-uploads p {
    margin: 0;
    font-size: 0.9rem;
    font-style: italic;
    }
    
.loading-wordlists {
    background: var(--bg-secondary);
    border: 1px solid var(--border-color);
    border-radius: 8px;
    padding: 2rem;
    text-align: center;
    color: var(--text-secondary);
    font-style: italic;
}

/* Animations */
@keyframes spin {
    0% { transform: rotate(0deg); }
    100% { transform: rotate(360deg); }
}

@keyframes bounce {
    0%, 20%, 53%, 80%, 100% {
        transform: translate3d(0,0,0);
    }
    40%, 43% {
        transform: translate3d(0,-15px,0);
    }
    70% {
        transform: translate3d(0,-7px,0);
    }
    90% {
        transform: translate3d(0,-2px,0);
    }
}

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

/* Mobile Responsiveness for Upload */
@media (max-width: 768px) {
    .upload-actions {
        flex-direction: column;
}

    .upload-actions .tool-btn {
        width: 100%;
        justify-content: center;
}

    .success-header {
        flex-direction: column;
        text-align: center;
        gap: 0.5rem;
}

    .detail-item {
        flex-direction: column;
        gap: 0.25rem;
        align-items: flex-start;
    }
}

/* Authentication Styles */
.login-container {
  min-height: 100vh;
  display: flex;
  align-items: center;
  justify-content: center;
  background: linear-gradient(135deg, var(--bg-primary), var(--bg-secondary));
  padding: 2rem;
}

.login-card {
  background: var(--bg-tertiary);
  border-radius: 20px;
  padding: 3rem;
  width: 100%;
  max-width: 450px;
  border: 1px solid var(--border-color);
  box-shadow: 0 20px 40px rgba(0, 0, 0, 0.3);
}

.login-header {
  text-align: center;
  margin-bottom: 2rem;
}

.login-header .logo {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 0.75rem;
  margin-bottom: 1.5rem;
}

.login-header .logo-icon {
  width: 40px;
  height: 40px;
  color: var(--accent-primary);
}

.login-header h1 {
  color: var(--text-primary);
  margin: 0 0 0.5rem 0;
  font-size: 1.5rem;
}

.login-header p {
  color: var(--text-secondary);
  margin: 0;
}

.login-form {
  margin-bottom: 2rem;
}

.btn-full {
  width: 100%;
  justify-content: center;
}

.login-footer {
  border-top: 1px solid var(--border-color);
  padding-top: 2rem;
}

/* Current User Styles */
.current-user-info {
  background: var(--bg-secondary);
  border-radius: 10px;
  padding: 1rem;
  margin-bottom: 1.5rem;
  border: 1px solid var(--border-color);
}

.user-welcome {
  margin-bottom: 0.75rem;
}

.user-welcome strong {
  color: var(--accent-primary);
  display: block;
  margin-bottom: 0.3rem;
  font-size: 0.95rem;
}

.user-specialty {
  color: var(--text-secondary);
  font-size: 0.85rem;
  font-weight: 500;
}

.btn-logout {
  background: var(--error);
  border-color: var(--error);
  padding: 0.5rem 1rem;
  font-size: 0.875rem;
}

.btn-logout:hover {
  background: #c53030;
  border-color: #c53030;
}

.current-user {
  border-color: var(--accent-primary) !important;
  background: linear-gradient(135deg, var(--bg-secondary), rgba(255, 107, 53, 0.1));
}

/* Responsive */
@media (max-width: 768px) {
  .login-container {
    padding: 1rem;
  }
  
  .login-card {
    padding: 2rem;
  }
}

/* Session Info Styles */
.current-session-info {
  margin-bottom: 2rem;
}

.session-card {
  background: var(--bg-secondary);
  border-radius: 15px;
  padding: 1.5rem;
  border: 1px solid var(--border-color);
  display: flex;
  flex-direction: column;
  gap: 0.75rem;
}

.session-user,
.session-specialty,
.session-login {
  color: var(--text-secondary);
}

.session-user strong,
.session-specialty strong,
.session-login strong {
  color: var(--text-primary);
}

.current-user-card {
  border-color: var(--accent-primary) !important;
  background: linear-gradient(135deg, var(--bg-secondary), rgba(255, 107, 53, 0.1));
  position: relative;
}

.current-user-badge {
  position: absolute;
  top: 1rem;
  right: 1rem;
  background: var(--accent-primary);
  color: white;
  padding: 0.25rem 0.75rem;
  border-radius: 15px;
  font-size: 0.75rem;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 1px;
}

/* Authentication Toggle Styles */
.auth-toggle {
  display: flex;
  background: var(--bg-secondary);
  border-radius: 10px;
  padding: 0.5rem;
  margin-bottom: 2rem;
  border: 1px solid var(--border-color);
}

.auth-tab {
  flex: 1;
  background: none;
  border: none;
  padding: 0.75rem 1.5rem;
  border-radius: 8px;
  color: var(--text-secondary);
  font-weight: 600;
  cursor: pointer;
  transition: all 0.3s ease;
  text-transform: uppercase;
  letter-spacing: 1px;
  font-size: 0.9rem;
}

.auth-tab:hover {
  color: var(--text-primary);
  background: rgba(255, 107, 53, 0.1);
}

.auth-tab.active {
  background: linear-gradient(135deg, var(--accent-primary), var(--accent-secondary));
  color: var(--bg-primary);
  box-shadow: 0 4px 15px rgba(255, 107, 53, 0.3);
}

/* Auth Section Styles */
.auth-section {
  display: none;
}

.auth-section.active {
  display: block;
}

.auth-form {
  margin-bottom: 1rem;
}

.form-hint {
  display: block;
  margin-top: 0.25rem;
  font-size: 0.75rem;
  color: var(--text-muted);
  font-style: italic;
}

/* Add Challenge Button Styles */
.add-btn {
  display: flex;
  align-items: center;
  gap: 0.75rem;
  padding: 0.75rem 1.5rem;
  background: linear-gradient(135deg, var(--accent-primary), var(--accent-secondary));
  border: 2px solid transparent;
  color: var(--bg-primary);
  border-radius: 25px;
  cursor: pointer;
  transition: all 0.3s ease;
  text-transform: uppercase;
  letter-spacing: 1px;
  font-weight: 700;
  font-size: 0.9rem;
  text-decoration: none;
  position: relative;
  overflow: hidden;
}

.add-btn::before {
  content: '';
  position: absolute;
  top: 0;
  left: -100%;
  width: 100%;
  height: 100%;
  background: linear-gradient(90deg, transparent, rgba(255, 255, 255, 0.2), transparent);
  transition: left 0.5s ease;
}

.add-btn:hover::before {
  left: 100%;
}

.add-btn:hover {
  background: linear-gradient(135deg, var(--accent-secondary), var(--cyber-blue));
  transform: translateY(-2px);
  box-shadow: 0 8px 25px rgba(255, 107, 53, 0.4);
}

.add-btn svg {
  width: 20px;
  height: 20px;
  flex-shrink: 0;
}

/* Modal Footer for buttons */
.modal-footer {
  display: flex;
  gap: 1.5rem;
  padding: 2rem 2.5rem 3rem 2.5rem;
  justify-content: center;
  border-top: 1px solid var(--border-color);
  margin-top: 1.5rem;
}

.challenge-card.completed {
  border-color: rgba(57, 255, 20, 0.3);
  background: linear-gradient(135deg, var(--bg-secondary), rgba(57, 255, 20, 0.05));
  opacity: 0.85;
}

.challenge-card.completed::before {
  background: rgba(57, 255, 20, 0.4);
  height: 3px;
}

.challenge-card.completed:hover {
  border-color: rgba(57, 255, 20, 0.5);
  opacity: 1;
  transform: translateY(-3px);
}

.search-container {
  display: flex;
  align-items: center;
  gap: 1rem;
}

.search-input {
  padding: 0.75rem 1.5rem;
  background: linear-gradient(135deg, var(--bg-secondary), var(--bg-tertiary));
  border: 2px solid var(--border-color);
  color: var(--text-primary);
  border-radius: 25px;
  font-size: 1rem;
  width: 300px;
  transition: all 0.3s ease;
}

.search-input:focus {
  outline: none;
  border-color: var(--accent-primary);
  box-shadow: 0 0 20px rgba(255, 107, 53, 0.3);
  background: linear-gradient(135deg, var(--bg-tertiary), var(--bg-secondary));
}

.search-input::placeholder {
  color: var(--text-muted);
}

.no-challenges-message {
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  padding: 4rem 2rem;
  text-align: center;
  background: linear-gradient(135deg, rgba(0, 217, 255, 0.05), rgba(255, 107, 53, 0.05));
  border: 2px dashed var(--border-color);
  border-radius: 20px;
  margin: 2rem 0;
}

.no-challenges-icon {
  font-size: 4rem;
  margin-bottom: 1rem;
  opacity: 0.7;
}

.no-challenges-message h3 {
  color: var(--accent-primary);
  margin: 0 0 1rem 0;
  font-size: 2rem;
  font-weight: 700;
}

.no-challenges-message p {
  color: var(--text-muted);
  margin: 0 0 2rem 0;
  font-size: 1.1rem;
}