:root{
  --color-bg-primary:#080810;
  --color-bg-secondary:#0d0d18;
  --color-bg-tertiary:#121220;
  --color-bg-elevated:rgba(255,255,255,.03);
  --color-bg-hover:rgba(255,255,255,.06);

  --color-text-primary:#fff;
  --color-text-secondary:rgba(255,255,255,.7);
  --color-text-tertiary:rgba(255,255,255,.5);
  --color-text-muted:rgba(255,255,255,.4);

  --color-accent-1:#6366f1;
  --color-accent-2:#8b5cf6;
  --color-accent-3:#a855f7;
  --color-accent-4:#22d3ee;
  --color-accent-5:#10b981;

  --color-border:rgba(255,255,255,.08);
  --color-border-hover:rgba(255,255,255,.15);

  --gradient-primary:linear-gradient(135deg,var(--color-accent-1) 0%,var(--color-accent-2) 50%,var(--color-accent-3) 100%);
  --gradient-glow:linear-gradient(135deg,var(--color-accent-4) 0%,var(--color-accent-1) 100%);
  --gradient-card:linear-gradient(145deg,rgba(255,255,255,.05) 0%,rgba(255,255,255,.02) 100%);

  --space-xs:4px; --space-sm:8px; --space-md:16px; --space-lg:24px; --space-xl:32px; --space-2xl:48px;
  --radius-sm:8px; --radius-md:12px; --radius-lg:16px; --radius-xl:24px; --radius-full:9999px;

  --shadow-sm:0 2px 8px rgba(0,0,0,.3);
  --shadow-md:0 8px 32px rgba(0,0,0,.4);
  --shadow-lg:0 24px 64px rgba(0,0,0,.5);
  --shadow-glow:0 0 40px rgba(99,102,241,.3);

  --transition-fast:150ms ease;
  --transition-base:300ms cubic-bezier(.4,0,.2,1);
  --transition-slow:500ms cubic-bezier(.4,0,.2,1);

  --font-family:"Plus Jakarta Sans",-apple-system,BlinkMacSystemFont,sans-serif;
  --font-size-xs:.75rem;
  --font-size-sm:.875rem;
  --font-size-base:1rem;
  --font-size-lg:1.125rem;
  --font-size-xl:1.25rem;
  --font-size-2xl:1.5rem;
  --font-size-3xl:2rem;
  --font-size-4xl:2.5rem;
}

*,*::before,*::after{margin:0;padding:0;box-sizing:border-box}
html{scroll-behavior:smooth;-webkit-font-smoothing:antialiased;-moz-osx-font-smoothing:grayscale}
body{
  font-family:var(--font-family);
  font-size:var(--font-size-base);
  line-height:1.6;
  color:var(--color-text-primary);
  background:var(--color-bg-primary);
  min-height:100vh;
  display:flex;
  align-items:center;
  justify-content:center;
  padding:var(--space-lg);
  overflow-x:hidden;
}
:focus-visible{outline:2px solid var(--color-accent-1);outline-offset:2px}
:focus:not(:focus-visible){outline:none}

/* Background */
.bg-effects{position:fixed;inset:0;pointer-events:none;z-index:-1;overflow:hidden}
.bg-gradient{
  position:absolute;inset:0;
  background:
    radial-gradient(ellipse 80% 50% at 50% -20%, rgba(99,102,241,.15) 0%, transparent 50%),
    radial-gradient(ellipse 60% 40% at 100% 100%, rgba(139,92,246,.10) 0%, transparent 50%),
    radial-gradient(ellipse 50% 30% at 0% 80%, rgba(34,211,238,.08) 0%, transparent 50%);
}
.bg-grid{
  position:absolute;inset:0;
  background-image:
    linear-gradient(rgba(255,255,255,.02) 1px, transparent 1px),
    linear-gradient(90deg, rgba(255,255,255,.02) 1px, transparent 1px);
  background-size:60px 60px;
  mask-image:radial-gradient(ellipse 50% 50% at 50% 50%, black 40%, transparent 100%);
}
.bg-orb{position:absolute;border-radius:50%;filter:blur(80px);opacity:.4;will-change:transform}
.orb-1{width:500px;height:500px;background:var(--color-accent-1);top:-200px;left:-150px;animation:floatOrb 20s infinite ease-in-out}
.orb-2{width:400px;height:400px;background:var(--color-accent-3);bottom:-150px;right:-100px;animation:floatOrb 25s infinite ease-in-out reverse}
.orb-3{width:300px;height:300px;background:var(--color-accent-4);top:50%;left:50%;transform:translate(-50%,-50%);animation:pulseOrb 15s infinite ease-in-out}
@keyframes floatOrb{
  0%,100%{transform:translate(0,0) scale(1)}
  25%{transform:translate(30px,40px) scale(1.05)}
  50%{transform:translate(-20px,60px) scale(.95)}
  75%{transform:translate(-40px,20px) scale(1.02)}
}
@keyframes pulseOrb{
  0%,100%{opacity:.2;transform:translate(-50%,-50%) scale(1)}
  50%{opacity:.35;transform:translate(-50%,-50%) scale(1.2)}
}

/* Container */
.main-container{width:100%;max-width:1200px;position:relative}
.tabs-wrapper{
  background:var(--gradient-card);
  backdrop-filter:blur(40px);
  -webkit-backdrop-filter:blur(40px);
  border-radius:var(--radius-xl);
  padding:var(--space-xl);
  border:1px solid var(--color-border);
  box-shadow:var(--shadow-lg);
  position:relative;
  overflow:hidden;
}
.tabs-wrapper::before{
  content:"";
  position:absolute;top:0;left:0;right:0;height:1px;
  background:linear-gradient(90deg,transparent,var(--color-accent-4),var(--color-accent-1),var(--color-accent-3),transparent);
  opacity:.6;
}

/* Header */
.section-header{text-align:center;margin-bottom:var(--space-xl)}
.section-badge{
  display:inline-flex;align-items:center;gap:var(--space-sm);
  padding:var(--space-sm) var(--space-md);
  background:rgba(99,102,241,.1);
  border:1px solid rgba(99,102,241,.2);
  border-radius:var(--radius-full);
  font-size:var(--font-size-xs);
  font-weight:700;
  color:var(--color-accent-4);
  text-transform:uppercase;
  letter-spacing:1px;
  margin-bottom:var(--space-md);
}
.section-badge::before{content:"";width:6px;height:6px;background:var(--color-accent-4);border-radius:50%;animation:pulse 2s infinite}
@keyframes pulse{0%,100%{opacity:1}50%{opacity:.4}}
.section-title{
  font-size:clamp(var(--font-size-2xl), 5vw, var(--font-size-4xl));
  font-weight:800;
  background:var(--gradient-primary);
  -webkit-background-clip:text;
  -webkit-text-fill-color:transparent;
  background-clip:text;
  letter-spacing:-.02em;
  line-height:1.2;
  margin-bottom:var(--space-sm);
}
.section-subtitle{font-size:var(--font-size-base);color:var(--color-text-tertiary);max-width:560px;margin:0 auto}

/* Tabs */
.tabs-nav{
  display:flex;gap:var(--space-xs);
  padding:var(--space-sm);
  background:rgba(0,0,0,.4);
  border-radius:var(--radius-lg);
  position:relative;
  margin-bottom:var(--space-xl);
  overflow-x:auto;
  scrollbar-width:none;
  -ms-overflow-style:none;
}
.tabs-nav::-webkit-scrollbar{display:none}
.tab-indicator{
  position:absolute;
  height:calc(100% - var(--space-md));
  top:var(--space-sm);
  background:var(--gradient-glow);
  border-radius:var(--radius-md);
  transition:var(--transition-slow);
  box-shadow:0 4px 24px rgba(34,211,238,.4),0 0 48px rgba(99,102,241,.2),inset 0 1px 0 rgba(255,255,255,.2);
  z-index:1;
  pointer-events:none;
}
.tab-btn{
  flex:1;min-width:160px;
  padding:var(--space-md) var(--space-lg);
  background:transparent;border:none;
  color:var(--color-text-tertiary);
  font-family:inherit;font-size:var(--font-size-sm);
  font-weight:700;
  cursor:pointer;border-radius:var(--radius-md);
  transition:var(--transition-base);
  position:relative;z-index:2;
  display:flex;align-items:center;justify-content:center;gap:var(--space-sm);
  white-space:nowrap;
  -webkit-tap-highlight-color:transparent;
}
.tab-btn:hover:not([aria-selected="true"]){color:var(--color-text-secondary);background:var(--color-bg-hover)}
.tab-btn[aria-selected="true"]{color:var(--color-bg-primary)}
.tab-icon{width:18px;height:18px;flex-shrink:0;transition:var(--transition-fast)}
.tab-btn:hover .tab-icon{transform:scale(1.1)}

/* Panels */
.tabs-content{position:relative;min-height:520px}
.tab-panel{
  position:absolute;inset:0;opacity:0;visibility:hidden;
  transform:translateY(16px);
  transition:var(--transition-slow);
  pointer-events:none;
}
.tab-panel[aria-hidden="false"]{
  opacity:1;visibility:visible;transform:translateY(0);
  position:relative;pointer-events:auto;
}
.panel-content{
  background:var(--gradient-card);
  border-radius:var(--radius-lg);
  padding:var(--space-xl);
  border:1px solid var(--color-border);
  height:100%;
}
.panel-header{
  display:flex;align-items:center;gap:var(--space-md);
  margin-bottom:var(--space-lg);
  padding-bottom:var(--space-lg);
  border-bottom:1px solid var(--color-border);
}
.panel-icon-wrapper{
  width:56px;height:56px;border-radius:var(--radius-md);
  display:flex;align-items:center;justify-content:center;
  background:linear-gradient(135deg,var(--panel-color,var(--color-accent-1)),var(--panel-color-alt,var(--color-accent-2)));
  box-shadow:0 8px 24px rgba(0,0,0,.3);
}
.panel-icon-wrapper svg{width:28px;height:28px;color:var(--color-text-primary)}
.panel-title{font-size:var(--font-size-xl);font-weight:800;color:var(--color-text-primary)}
.panel-subtitle{font-size:var(--font-size-sm);color:var(--color-text-muted);margin-top:2px}
.panel-body{color:var(--color-text-secondary);line-height:1.8}
.panel-body>p{margin-bottom:var(--space-md)}
.muted{color:var(--color-text-muted)}

/* Grid */
.grid{display:grid;gap:var(--space-md);margin-top:var(--space-lg)}
.grid-2{grid-template-columns:repeat(2,1fr)}
.grid-4{grid-template-columns:repeat(4,1fr)}
.grid-auto{grid-template-columns:repeat(auto-fit,minmax(220px,1fr))}
@media (max-width:768px){.grid-2,.grid-4{grid-template-columns:repeat(2,1fr)}}
@media (max-width:480px){.grid-2,.grid-4{grid-template-columns:1fr}}

/* Stat */
.stat-card{
  text-align:center;
  padding:var(--space-lg);
  background:rgba(0,0,0,.3);
  border-radius:var(--radius-md);
  border:1px solid var(--color-border);
  transition:var(--transition-base);
}
.stat-card:hover{transform:translateY(-4px);border-color:var(--color-border-hover);box-shadow:var(--shadow-glow)}
.stat-value{
  font-size:var(--font-size-3xl);
  font-weight:900;
  background:var(--gradient-glow);
  -webkit-background-clip:text;
  -webkit-text-fill-color:transparent;
  background-clip:text;
  letter-spacing:-.02em;
}
.stat-label{font-size:var(--font-size-sm);color:var(--color-text-muted);margin-top:var(--space-xs)}

/* Feature */
.feature-card{
  padding:var(--space-lg);
  background:rgba(0,0,0,.2);
  border-radius:var(--radius-md);
  border:1px solid var(--color-border);
  transition:var(--transition-base);
}
.feature-card:hover{background:var(--color-bg-hover);border-color:var(--color-border-hover);transform:translateY(-4px)}
.feature-card h4{font-size:var(--font-size-base);font-weight:800;color:var(--color-text-primary);margin-bottom:var(--space-sm)}
.feature-card p{font-size:var(--font-size-sm);color:var(--color-text-muted);margin:0}
.progress-badge{
  display:inline-flex;align-items:center;gap:var(--space-xs);
  padding:2px 8px;border-radius:var(--radius-full);
  font-size:var(--font-size-xs);font-weight:800;margin-top:var(--space-sm);
}
.progress-badge.in-progress{background:rgba(251,191,36,.15);color:#fbbf24}
.progress-badge.completed{background:rgba(16,185,129,.15);color:#10b981}
.progress-badge.planning{background:rgba(139,92,246,.15);color:#8b5cf6}

/* CTA */
.cta-box{
  margin-top:var(--space-lg);
  padding:var(--space-lg);
  background:linear-gradient(135deg,rgba(99,102,241,.1) 0%,rgba(139,92,246,.1) 100%);
  border-radius:var(--radius-lg);
  border:1px solid rgba(99,102,241,.2);
  display:flex;align-items:center;justify-content:space-between;flex-wrap:wrap;gap:var(--space-md);
}
.cta-text h4{font-weight:900;margin-bottom:2px;color:var(--color-text-primary)}
.cta-text p{font-size:var(--font-size-sm);color:var(--color-text-muted);margin:0}
.cta-btn{
  padding:var(--space-md) var(--space-xl);
  background:var(--gradient-glow);
  border:none;border-radius:var(--radius-md);
  color:var(--color-bg-primary);
  font-family:inherit;font-weight:900;font-size:var(--font-size-sm);
  cursor:pointer;transition:var(--transition-base);
  box-shadow:0 4px 20px rgba(34,211,238,.3);
}
.cta-btn:hover{transform:translateY(-2px);box-shadow:0 8px 32px rgba(34,211,238,.5)}
.cta-btn:active{transform:translateY(0)}

/* Extra UI */
.subhead{font-size:var(--font-size-lg);font-weight:900;color:var(--color-text-primary);letter-spacing:-.01em}
.timeline-wrap{margin-top:var(--space-xl)}
.timeline-head{
  display:flex;align-items:center;justify-content:space-between;gap:var(--space-md);
  margin-bottom:var(--space-md);
  padding:var(--space-md);
  background:rgba(0,0,0,.22);
  border:1px solid var(--color-border);
  border-radius:var(--radius-lg);
}
.timeline-actions{display:flex;gap:var(--space-sm);flex-wrap:wrap}
.ghost-btn{
  padding:10px 12px;
  background:rgba(255,255,255,.04);
  border:1px solid var(--color-border);
  color:var(--color-text-secondary);
  border-radius:var(--radius-md);
  font-weight:800;
  cursor:pointer;
  transition:var(--transition-base);
}
.ghost-btn:hover{background:rgba(255,255,255,.08);border-color:var(--color-border-hover);transform:translateY(-1px)}
.ghost-btn:active{transform:translateY(0)}

.timeline{
  list-style:none;
  display:flex;
  flex-direction:column;
  gap:var(--space-md);
}
.timeline-item{
  display:grid;
  grid-template-columns: 180px 1fr;
  gap:var(--space-md);
  padding:var(--space-lg);
  background:rgba(0,0,0,.22);
  border:1px solid var(--color-border);
  border-radius:var(--radius-lg);
  transition:var(--transition-base);
  position:relative;
  overflow:hidden;
}
.timeline-item::before{
  content:"";
  position:absolute;
  left:0;top:0;bottom:0;width:4px;
  background:linear-gradient(180deg,var(--panel-color,var(--color-accent-1)),var(--panel-color-alt,var(--color-accent-2)));
  opacity:.9;
}
.timeline-item:hover{background:rgba(0,0,0,.28);border-color:var(--color-border-hover);transform:translateY(-2px)}
.t-time{
  font-weight:900;
  color:var(--color-text-primary);
  letter-spacing:-.01em;
}
.t-title{
  font-weight:900;
  color:var(--color-text-primary);
  display:flex;align-items:center;gap:10px;flex-wrap:wrap;
}
.t-no{
  display:inline-flex;align-items:center;justify-content:center;
  width:34px;height:34px;border-radius:12px;
  background:rgba(255,255,255,.05);
  border:1px solid var(--color-border);
  font-weight:900;
  color:var(--color-text-primary);
}
.t-meta{color:var(--color-text-tertiary);font-weight:700}
.t-note{margin-top:8px;color:var(--color-text-muted);font-size:var(--font-size-sm)}
.t-list{margin-top:10px;display:flex;flex-direction:column;gap:8px}
.t-sub{display:flex;gap:10px;align-items:flex-start;color:var(--color-text-secondary)}
.chip{
  display:inline-flex;align-items:center;justify-content:center;
  padding:2px 10px;border-radius:var(--radius-full);
  border:1px solid var(--color-border);
  background:rgba(255,255,255,.04);
  font-weight:900;
  font-size:var(--font-size-xs);
  color:var(--color-text-secondary);
  flex:0 0 auto;
}

.list-wrap{margin-top:var(--space-xl)}
.simple-list{list-style:none;display:flex;flex-direction:column;gap:var(--space-sm)}
.simple-item{
  padding:var(--space-md);
  background:rgba(0,0,0,.2);
  border:1px solid var(--color-border);
  border-radius:var(--radius-md);
  transition:var(--transition-base);
}
.simple-item:hover{background:var(--color-bg-hover);border-color:var(--color-border-hover);transform:translateY(-1px)}
.si-title{font-weight:900;color:var(--color-text-primary);margin-bottom:4px}
.si-meta{color:var(--color-text-muted);font-size:var(--font-size-sm)}
.card-block{
  background:rgba(0,0,0,.18);
  border:1px solid var(--color-border);
  border-radius:var(--radius-lg);
  padding:var(--space-lg);
}
.card-head{display:flex;align-items:center;justify-content:space-between;gap:var(--space-md);margin-bottom:var(--space-md)}

/* Toast */
.toast-container{
  position:fixed;top:var(--space-lg);right:var(--space-lg);
  z-index:9999;display:flex;flex-direction:column;gap:var(--space-sm);
  pointer-events:none;
}
.toast{
  padding:var(--space-md) var(--space-lg);
  background:var(--gradient-glow);
  color:var(--color-bg-primary);
  border-radius:var(--radius-md);
  font-weight:900;
  font-size:var(--font-size-sm);
  box-shadow:var(--shadow-lg);
  pointer-events:auto;
  animation:toastIn .4s cubic-bezier(.16,1,.3,1);
}
.toast.removing{animation:toastOut .3s ease forwards}
@keyframes toastIn{from{opacity:0;transform:translateX(100%) scale(.9)}to{opacity:1;transform:translateX(0) scale(1)}}
@keyframes toastOut{to{opacity:0;transform:translateX(100%) scale(.9)}}

/* SR only */
.live-region{position:absolute;left:-9999px;width:1px;height:1px;overflow:hidden}

/* Responsive */
@media (max-width: 860px){
  .timeline-item{grid-template-columns: 1fr}
  .t-time{opacity:.9}
}
@media (max-width: 640px){
  body{padding:var(--space-md)}
  .tabs-wrapper{padding:var(--space-md)}
  .section-title{font-size:var(--font-size-2xl)}
  .tab-btn{min-width:140px;padding:var(--space-sm) var(--space-md);font-size:var(--font-size-xs)}
  .panel-content{padding:var(--space-md)}
  .panel-header{flex-direction:column;text-align:center}
  .cta-box{flex-direction:column;text-align:center}
  .stat-value{font-size:var(--font-size-2xl)}
}

/* Reduced Motion */
@media (prefers-reduced-motion: reduce){
  *,*::before,*::after{animation-duration:.01ms !important;animation-iteration-count:1 !important;transition-duration:.01ms !important}
}