/* DeepKrak3n — Design System */
:root {
  --bg-primary: #06070d;
  --bg-panel: #131521;
  --bg-panel-dark: #0c0d14;
  --bg-card: #1a1c2a;
  --bg-card-hover: #22243a;
  --accent: #353055;
  --accent-light: #4a3f6e;
  --accent-glow: rgba(53, 48, 85, 0.4);
  --primary: #7c5cfc;
  --primary-glow: rgba(124, 92, 252, 0.3);
  --primary-light: #a18aff;
  --secondary: #06d6a0;
  --secondary-glow: rgba(6, 214, 160, 0.2);
  --danger: #ff4d6d;
  --warning: #f4a261;
  --text-primary: #e8e9f0;
  --text-secondary: #9aa0b5;
  --text-muted: #5a6075;
  --border: #1f2030;
  --border-light: #2a2c40;
  --font-sans: 'Inter', -apple-system, BlinkMacSystemFont, sans-serif;
  --font-mono: 'JetBrains Mono', monospace;
  --radius-sm: 8px;
  --radius-md: 12px;
  --radius-lg: 16px;
  --radius-xl: 24px;
  --shadow-card: 0 4px 24px rgba(0,0,0,0.3);
  --shadow-glow: 0 0 40px rgba(124, 92, 252, 0.1);
  --transition: 0.3s cubic-bezier(0.4, 0, 0.2, 1);
}

/* Reset */
*,*::before,*::after{box-sizing:border-box;margin:0;padding:0}
html{scroll-behavior:smooth}
body{
  font-family:var(--font-sans);
  background:var(--bg-primary);
  color:var(--text-primary);
  min-height:100vh;
  overflow-x:hidden;
  line-height:1.6;
  -webkit-font-smoothing:antialiased;
}

/* Ambient Background */
.bg-grid{
  position:fixed;inset:0;
  background-image:linear-gradient(rgba(53,48,85,0.05) 1px,transparent 1px),
                   linear-gradient(90deg,rgba(53,48,85,0.05) 1px,transparent 1px);
  background-size:60px 60px;
  pointer-events:none;z-index:0;
}
.bg-gradient{
  position:fixed;inset:0;
  background:radial-gradient(ellipse 80% 50% at 50% -20%, rgba(124,92,252,0.08) 0%, transparent 70%),
              radial-gradient(ellipse 60% 40% at 80% 80%, rgba(6,214,160,0.04) 0%, transparent 60%),
              radial-gradient(ellipse 40% 30% at 20% 60%, rgba(124,92,252,0.04) 0%, transparent 50%);
  pointer-events:none;z-index:0;
}
#particles{
  position:fixed;inset:0;
  pointer-events:none;z-index:1;
  opacity:0.5;
}

/* Nav */
.nav{position:fixed;top:0;left:0;right:0;z-index:100;padding:16px 24px;background:rgba(6,7,13,0.8);backdrop-filter:blur(20px);-webkit-backdrop-filter:blur(20px);border-bottom:1px solid var(--border);}
.nav-inner{max-width:1200px;margin:0 auto;display:flex;align-items:center;justify-content:space-between;}
.nav-brand{display:flex;align-items:center;gap:10px;cursor:pointer;}
.logo-icon{font-size:28px;line-height:1;filter:drop-shadow(0 0 8px rgba(124,92,252,0.3));animation:float 3s ease-in-out infinite;}
.logo-text{font-size:18px;font-weight:700;background:linear-gradient(135deg,var(--primary),var(--primary-light));-webkit-background-clip:text;-webkit-text-fill-color:transparent;background-clip:text;}
.logo-badge{font-size:10px;font-weight:600;color:var(--text-muted);border:1px solid var(--border);border-radius:4px;padding:1px 5px;margin-left:4px;vertical-align:super;}
.nav-links{display:flex;gap:8px;}
.nav-btn{
  font-family:var(--font-sans);font-size:13px;font-weight:500;
  padding:8px 16px;border-radius:var(--radius-sm);border:1px solid var(--border);
  background:var(--bg-panel);color:var(--text-secondary);cursor:pointer;
  transition:var(--transition);
}
.nav-btn:hover{background:var(--bg-card);color:var(--text-primary);border-color:var(--border-light);}
.nav-btn-primary{background:var(--primary);color:white;border-color:var(--primary);}
.nav-btn-primary:hover{background:var(--primary-light);border-color:var(--primary-light);box-shadow:0 0 20px var(--primary-glow);}

/* Hero */
.hero{
  min-height:100vh;display:flex;align-items:center;justify-content:center;
  padding:120px 24px 80px;position:relative;z-index:2;
}
.hero-content{max-width:800px;width:100%;text-align:center;}
.hero-badge{
  display:inline-flex;align-items:center;gap:8px;
  font-size:13px;font-weight:500;color:var(--text-secondary);
  padding:6px 16px;border-radius:100px;border:1px solid var(--border);
  background:rgba(19,21,33,0.6);backdrop-filter:blur(10px);
  margin-bottom:24px;
}
.badge-dot{width:6px;height:6px;border-radius:50%;background:var(--secondary);box-shadow:0 0 10px var(--secondary-glow);animation:pulse 2s ease-in-out infinite;}
.hero-title{font-size:clamp(2.5rem,7vw,4.5rem);font-weight:800;letter-spacing:-0.03em;line-height:1.1;margin-bottom:20px;}
.hero-title .block{display:block;}
.gradient-text{background:linear-gradient(135deg,var(--primary),var(--primary-light),#b794f4);-webkit-background-clip:text;-webkit-text-fill-color:transparent;background-clip:text;}
.hero-subtitle{font-size:clamp(1rem,2vw,1.2rem);color:var(--text-secondary);max-width:600px;margin:0 auto 40px;line-height:1.7;}

/* Search */
.search-container{max-width:640px;margin:0 auto;}
.search-wrapper{position:relative;display:flex;align-items:center;}
.search-glow{
  position:absolute;inset:-4px;border-radius:var(--radius-lg);z-index:-1;
  background:var(--primary-glow);filter:blur(20px);opacity:0;
  transition:var(--transition);
}
.search-wrapper:focus-within .search-glow{opacity:1;}
.search-input{
  flex:1;font-family:var(--font-mono);font-size:16px;font-weight:500;
  padding:18px 20px;border-radius:var(--radius-md);border:1px solid var(--border);
  background:var(--bg-panel);color:var(--text-primary);outline:none;
  transition:var(--transition);
}
.search-input::placeholder{color:var(--text-muted);font-family:var(--font-sans);font-weight:400;}
.search-input:focus{border-color:var(--primary);box-shadow:0 0 0 3px var(--primary-glow);background:var(--bg-card);}
.search-actions{position:absolute;right:6px;}
.search-btn{
  display:flex;align-items:center;gap:6px;
  font-family:var(--font-sans);font-size:14px;font-weight:600;
  padding:10px 20px;border-radius:var(--radius-sm);border:none;
  background:var(--primary);color:white;cursor:pointer;
  transition:var(--transition);
}
.search-btn:hover{background:var(--primary-light);transform:scale(1.02);}
.search-btn:active{transform:scale(0.98);}
.search-btn:disabled{opacity:0.5;cursor:not-allowed;transform:none;}

/* Quick Examples */
.quick-examples{display:flex;align-items:center;justify-content:center;gap:8px;margin-top:20px;flex-wrap:wrap;}
.examples-label{font-size:13px;color:var(--text-muted);}
.example-chip{
  font-family:var(--font-mono);font-size:12px;font-weight:500;
  padding:5px 12px;border-radius:100px;border:1px solid var(--border);
  background:var(--bg-panel-dark);color:var(--text-secondary);cursor:pointer;
  transition:var(--transition);
}
.example-chip:hover{border-color:var(--primary);color:var(--primary);background:rgba(124,92,252,0.1);}

/* Progress */
.progress-container{
  max-width:800px;margin:0 auto 32px;padding:24px;z-index:2;position:relative;
  background:var(--bg-panel);border:1px solid var(--border);border-radius:var(--radius-lg);
  animation:slideUp 0.4s ease-out;
}
.progress-header{display:flex;justify-content:space-between;align-items:center;margin-bottom:16px;}
.progress-info{display:flex;flex-direction:column;gap:2px;}
.progress-info span:first-child{font-size:15px;font-weight:600;}
.progress-count{font-size:13px;color:var(--text-secondary);font-family:var(--font-mono);}
.progress-bar-track{height:4px;background:var(--border);border-radius:4px;overflow:hidden;margin-bottom:12px;}
.progress-bar-fill{height:100%;background:linear-gradient(90deg,var(--primary),var(--secondary));border-radius:4px;transition:width 0.3s ease;}
.progress-stats{display:flex;justify-content:space-between;font-size:13px;}
#found-count{color:var(--secondary);font-weight:600;}
.scan-status{color:var(--text-muted);}
.cancel-btn{font-family:var(--font-sans);font-size:13px;font-weight:500;padding:6px 14px;border-radius:var(--radius-sm);border:1px solid var(--danger);background:transparent;color:var(--danger);cursor:pointer;transition:var(--transition);}
.cancel-btn:hover{background:rgba(255,77,109,0.1);}

/* Results */
.results-section{max-width:1200px;margin:0 auto 80px;padding:0 24px;position:relative;z-index:2;}
.results-header{display:flex;justify-content:space-between;align-items:center;margin-bottom:24px;flex-wrap:wrap;gap:16px;}
.results-title-row{display:flex;align-items:center;gap:12px;}
.results-title{font-size:22px;font-weight:700;}
.results-count{font-size:14px;font-weight:600;padding:4px 12px;border-radius:100px;background:var(--primary-glow);color:var(--primary-light);font-family:var(--font-mono);}
.filter-btn{font-family:var(--font-sans);font-size:13px;font-weight:500;padding:6px 14px;border-radius:100px;border:1px solid var(--border);background:transparent;color:var(--text-secondary);cursor:pointer;transition:var(--transition);}
.filter-btn:hover{border-color:var(--border-light);color:var(--text-primary);}
.filter-btn.active{background:var(--primary);color:white;border-color:var(--primary);}

.results-grid{display:grid;grid-template-columns:repeat(auto-fill,minmax(320px,1fr));gap:12px;}
.result-card{
  background:var(--bg-panel);border:1px solid var(--border);border-radius:var(--radius-md);
  padding:16px;transition:var(--transition);cursor:pointer;
  animation:cardIn 0.3s ease-out forwards;opacity:0;
  position:relative;overflow:hidden;
}
.result-card:hover{background:var(--bg-card-hover);border-color:var(--border-light);transform:translateY(-2px);box-shadow:var(--shadow-card);}
.result-card.found{border-left:3px solid var(--secondary);}
.result-card.not_found,.result-card.error,.result-card.timeout,.result-card.blocked,.result-card.server_error,.result-card.redirect{border-left:3px solid var(--border);}
.result-card.found-found .card-status{color:var(--secondary);}
.result-card .card-header{display:flex;justify-content:space-between;align-items:flex-start;margin-bottom:8px;}
.card-site{font-size:14px;font-weight:600;color:var(--text-primary);}
.card-status{font-size:11px;font-weight:600;padding:2px 8px;border-radius:4px;font-family:var(--font-mono);text-transform:uppercase;}
.card-status.found{background:rgba(6,214,160,0.15);color:var(--secondary);}
.card-status.not_found{background:rgba(90,96,117,0.2);color:var(--text-muted);}
.card-status.blocked,.card-status.error,.card-status.server_error,.card-status.timeout,.card-status.rate_limited{background:rgba(255,77,109,0.1);color:var(--danger);}
.card-url{font-size:11px;color:var(--text-muted);margin-bottom:8px;word-break:break-all;font-family:var(--font-mono);}
.card-details{font-size:12px;color:var(--text-secondary);line-height:1.5;}
.card-category{position:absolute;top:16px;right:16px;font-size:10px;color:var(--text-muted);padding:2px 8px;border-radius:4px;background:rgba(90,96,117,0.1);}
.card-latency{font-size:10px;color:var(--text-muted);font-family:var(--font-mono);}

/* Stats */
.stats-section{max-width:1200px;margin:0 auto 80px;padding:0 24px;position:relative;z-index:2;}
.section-header{margin-bottom:32px;text-align:center;}
.section-title{font-size:28px;font-weight:700;margin-bottom:8px;}
.section-desc{font-size:14px;color:var(--text-secondary);}
.stats-grid{display:grid;grid-template-columns:repeat(auto-fill,minmax(200px,1fr));gap:12px;}
.stat-card{background:var(--bg-panel);border:1px solid var(--border);border-radius:var(--radius-md);padding:20px;text-align:center;transition:var(--transition);}
.stat-card:hover{background:var(--bg-card-hover);border-color:var(--border-light);}
.stat-category{font-size:11px;color:var(--text-muted);text-transform:uppercase;letter-spacing:0.05em;font-weight:600;margin-bottom:8px;}
.stat-count{font-size:28px;font-weight:800;background:linear-gradient(135deg,var(--primary),var(--secondary));-webkit-background-clip:text;-webkit-text-fill-color:transparent;background-clip:text;}

/* Batch */
.batch-section{max-width:800px;margin:0 auto 80px;padding:0 24px;position:relative;z-index:2;}
.batch-container{display:flex;flex-direction:column;gap:16px;}
.batch-input{font-family:var(--font-mono);font-size:14px;padding:16px;border-radius:var(--radius-md);border:1px solid var(--border);background:var(--bg-panel);color:var(--text-primary);outline:none;resize:vertical;min-height:100px;transition:var(--transition);}
.batch-input:focus{border-color:var(--primary);box-shadow:0 0 0 3px var(--primary-glow);}
.batch-submit{align-self:flex-end;}
.batch-results{margin-top:24px;}
.batch-result-item{padding:12px 16px;background:var(--bg-panel);border:1px solid var(--border);border-radius:var(--radius-md);margin-bottom:8px;display:flex;justify-content:space-between;align-items:center;animation:slideUp 0.3s ease-out;}

/* Graph */
.graph-section{max-width:1200px;margin:0 auto 80px;padding:0 24px;position:relative;z-index:2;}
.graph-container{background:var(--bg-panel);border:1px solid var(--border);border-radius:var(--radius-lg);overflow:hidden;min-height:400px;}
.mindmap-canvas{width:100%;height:400px;display:block;}

/* Footer */
.footer{border-top:1px solid var(--border);padding:24px;position:relative;z-index:2;}
.footer-inner{max-width:1200px;margin:0 auto;display:flex;justify-content:space-between;align-items:center;}
.footer-brand{font-size:14px;font-weight:600;}
.footer-links{display:flex;align-items:center;gap:8px;font-size:13px;}
.footer-link{color:var(--text-secondary);text-decoration:none;transition:var(--transition);}
.footer-link:hover{color:var(--primary);}
.footer-sep{color:var(--text-muted);}
.footer-text{color:var(--text-muted);}

/* Animations */
@keyframes float{0%,100%{transform:translateY(0)}50%{transform:translateY(-8px)}}
@keyframes pulse{0%,100%{opacity:1}50%{opacity:0.4}}
@keyframes slideUp{from{opacity:0;transform:translateY(20px)}to{opacity:1;transform:translateY(0)}}
@keyframes cardIn{from{opacity:0;transform:translateY(12px) scale(0.98)}to{opacity:1;transform:translateY(0) scale(1)}}
@keyframes shimmer{0%{background-position:-200% 0}100%{background-position:200% 0}}

/* Loading skeleton */
.skeleton{background:linear-gradient(90deg,var(--bg-panel) 25%,var(--bg-card) 50%,var(--bg-panel) 75%);background-size:200% 100%;animation:shimmer 1.5s ease-in-out infinite;border-radius:var(--radius-sm);}

/* Utility */
.hidden{display:none !important;}
blockquote{font-size:13px;color:var(--text-muted);border-left:2px solid var(--border);padding-left:12px;margin-top:4px;}

/* Responsive */
@media(max-width:768px){
  .nav{padding:12px 16px;}
  .nav-links .nav-btn{display:none;}
  .nav-links .nav-btn-primary{display:flex;}
  .hero{padding:100px 16px 60px;}
  .results-grid{grid-template-columns:1fr;}
  .stats-grid{grid-template-columns:repeat(auto-fill,minmax(150px,1fr));}
  .results-header{flex-direction:column;align-items:flex-start;}
  .footer-inner{flex-direction:column;gap:8px;text-align:center;}
}

/* Scrollbar */
::-webkit-scrollbar{width:6px;}
::-webkit-scrollbar-track{background:var(--bg-primary);}
::-webkit-scrollbar-thumb{background:var(--border);border-radius:3px;}
::-webkit-scrollbar-thumb:hover{background:var(--border-light);}