:root{
  --bg:#0e0f12;
  --panel:#14161b;
  --panel2:#1a1d24;
  --text:#e8e8ea;
  --muted:#a7a7ad;
  --line:#2a2d36;
  --accent:#7b0f19; /* ciemna czerwień */
  --accent2:#b11c2a;
  --ok:#2ecc71;
  --shadow: 0 20px 60px rgba(0,0,0,.45);
  --radius: 18px;
}
:root{
  --guide-line: rgba(255,255,255,.08);
  --timeline-line: rgba(255,255,255,.15);
  --timeline-domain: rgba(255,255,255,.3);
  --timeline-text: rgba(232,232,234,.8);
  --node-stroke: rgba(0,0,0,.35);
  --node-selected: rgba(255,255,255,.9);
  --graph-text: rgba(232,232,234,.92);
  --link-stroke: rgba(255,255,255,.14);
}

*{box-sizing:border-box}
html,body{height:100%}
body{
  margin:0;
  font-family: Poppins, system-ui, -apple-system, Segoe UI, Roboto, Arial, sans-serif;
  background: radial-gradient(1200px 700px at 20% 10%, rgba(123,15,25,.18), transparent 55%),
              radial-gradient(900px 600px at 90% 40%, rgba(177,28,42,.10), transparent 60%),
              var(--bg);
  color:var(--text);
}

.app-shell{
  display:grid;
  grid-template-columns: 1fr;
  height:100%;
  position:relative;
}

.sidebar-toggle{
  position:absolute;
  top:16px;
  left:16px;
  z-index:20;
  width:48px;height:48px;
  border-radius:16px;
  border:1px solid var(--line);
  background: var(--panel2);
  color:var(--text);
  cursor:pointer;
  box-shadow: var(--shadow);
}

.sidebar{
  position:absolute;
  top:0;left:0;
  width: min(360px, 88vw);
  height:100%;
  background: linear-gradient(180deg, rgba(20,22,27,.97), rgba(14,15,18,.95));
  border-right:1px solid var(--line);
  box-shadow: var(--shadow);
  transform: translateX(-100%);
  transition: transform .25s ease;
  z-index:30;
  display:flex;
}
:root[data-theme="light"] .sidebar{
  background: linear-gradient(180deg, rgba(255,255,255,.98), rgba(240,242,247,.96));
}
.sidebar.sidebar--collapsed{transform: translateX(-100%);}
.sidebar:not(.sidebar--collapsed){transform: translateX(0);}
.sidebar__inner{
  padding:18px 16px;
  display:flex;
  flex-direction:column;
  gap:14px;
  width:100%;
  overflow-y:auto;
}
.sidebar__header{
  display:flex;
  align-items:center;
  justify-content:space-between;
  gap:10px;
}

.brand{
  display:flex;
  align-items:center;
  gap:12px;
  padding:12px;
  border:1px solid var(--line);
  border-radius: var(--radius);
  background: rgba(255,255,255,.03);
  box-shadow: var(--shadow);
}

.brand__mark{
  width:44px;height:44px;
  border-radius: 14px;
  display:grid;place-items:center;
  background: linear-gradient(135deg, rgba(123,15,25,.85), rgba(255,255,255,.04));
  border:1px solid rgba(255,255,255,.08);
}
.brand__mark i{font-size:18px}

.brand__title{font-weight:700; letter-spacing:.2px}
.brand__subtitle{font-size:12px; color:var(--muted); margin-top:2px}

.sidebar__section{
  padding:12px;
  border:1px solid var(--line);
  border-radius: var(--radius);
  background: rgba(255,255,255,.02);
}
.actions{
  display:flex;
  gap:10px;
  flex-wrap:wrap;
}
.section__title{
  font-size:12px;
  text-transform: uppercase;
  letter-spacing:.12em;
  color:var(--muted);
  margin-bottom:10px;
}

.search{
  display:flex;
  align-items:center;
  gap:10px;
  padding:10px 12px;
  border-radius: 14px;
  border:1px solid var(--line);
  background: rgba(0,0,0,.22);
}
:root[data-theme="light"] .search{background: rgba(255,255,255,.6);}
.search i{color:var(--muted)}
.search input{
  width:100%;
  border:0;
  outline:0;
  background:transparent;
  color:var(--text);
  font-family:inherit;
}

.hint{
  margin-top:10px;
  font-size:12px;
  color:var(--muted);
  line-height:1.45;
}

.person-panel{
  display:flex;
  flex-direction:column;
  gap:10px;
}
.person-panel.muted{color:var(--muted); font-size:13px}
.person-title{
  font-weight:700;
  font-size:16px;
}
.badges{display:flex; gap:8px; flex-wrap:wrap}
.badge{
  font-size:12px;
  padding:6px 10px;
  border-radius:999px;
  border:1px solid var(--line);
  background: rgba(255,255,255,.03);
}
.badge strong{color:var(--text)}
.badge .dot{margin-right:6px; box-shadow:none; width:10px; height:10px;}

.person-actions{
  display:flex;
  gap:10px;
  margin-top:4px;
}
.pill{
  display:inline-flex;
  gap:8px;
  align-items:center;
  font-size:12px;
  color:var(--muted);
  padding:8px 10px;
  border:1px solid var(--line);
  border-radius:999px;
  background: rgba(255,255,255,.02);
}

.footer{
  margin-top:auto;
  display:flex;
  gap:10px;
  flex-wrap:wrap;
  padding:4px 2px;
}

.main{
  display:flex;
  flex-direction:column;
  min-width:0;
}

.btn{
  border:1px solid var(--line);
  border-radius: 14px;
  padding:10px 12px;
  background: rgba(255,255,255,.03);
  color:var(--text);
  cursor:pointer;
  display:inline-flex;
  gap:10px;
  align-items:center;
  transition: transform .08s ease, border-color .2s ease, background .2s ease;
}
.btn:hover{transform: translateY(-1px); border-color: rgba(123,15,25,.55)}
.btn--primary{
  background: linear-gradient(135deg, rgba(123,15,25,.92), rgba(177,28,42,.7));
  border-color: rgba(123,15,25,.8);
}
.btn--ghost{
  background: rgba(255,255,255,.02);
}

.icon-btn{
  width:40px;height:40px;
  border-radius: 14px;
  border:1px solid var(--line);
  background: rgba(255,255,255,.03);
  color:var(--text);
  cursor:pointer;
}

.view{display:none; min-height:0; flex:1}
.view--active{display:block}

.canvas-wrap{
  height: 100%;
  position:relative;
  margin-left:12px;
}
.graph{
  width:100%;
  height:100%;
  display:block;
}
.legend{
  position:static;
  width:100%;
  display:flex;
  flex-direction:column;
  gap:10px;
  padding:0;
  color:var(--muted);
  font-size:12px;
}
.legend__header{
  display:flex;
  align-items:center;
  justify-content:space-between;
  gap:10px;
}
.legend__title{font-weight:700; color:var(--text); font-size:13px}
.legend__subtitle{font-size:11px; color:var(--muted);}
.legend__note{display:flex; align-items:center; gap:8px; color:var(--muted);}
.legend__grid{
  display:grid;
  grid-template-columns: repeat(auto-fill, minmax(160px, 1fr));
  gap:6px 10px;
}
.legend__body{padding:4px 2px 2px;}
.legend__item{display:flex; align-items:center; gap:6px; font-size:11px;}
.legend__muted{color:var(--muted); font-size:12px}
.dot{
  width:12px;height:12px;border-radius:999px;
  display:inline-block;
  border:1px solid rgba(255,255,255,.18);
  background: rgba(220,220,220,.35);
  box-shadow: 0 0 0 2px rgba(0,0,0,.2);
}
.dot--grad{border-color: rgba(255,255,255,.25);}
.dot--link{background: linear-gradient(135deg, rgba(255,255,255,.75), rgba(255,255,255,.35))}
.guide-line{stroke: var(--guide-line);}

.zoom-controls{
  position:absolute;
  right:16px;
  top:16px;
  display:flex;
  flex-direction:column;
  gap:8px;
  z-index:10;
}
.zoom-controls .icon-btn{
  backdrop-filter: blur(4px);
}

.tabs{
  display:flex;
  gap:8px;
}
.tab-btn{
  flex:1;
  padding:10px 12px;
  border-radius:12px;
  border:1px solid var(--line);
  background: rgba(255,255,255,.03);
  color:var(--text);
  cursor:pointer;
  display:flex;
  align-items:center;
  gap:8px;
  justify-content:center;
  transition: background .15s ease, border-color .15s ease;
}
.tab-btn--active{
  background: linear-gradient(135deg, var(--accent), var(--accent2));
  border-color: rgba(255,255,255,.12);
}
.tab-panels{
  flex:1;
}
.tab-panel{display:none; flex-direction:column; gap:12px;}
.tab-panel--active{display:flex;}

.sidebar-toggle, .icon-btn{transition: transform .08s ease;}
.sidebar-toggle:hover, .icon-btn:hover{transform: translateY(-1px);}

.actions--column{flex-direction:column; align-items:stretch;}
.theme-toggle{
  display:flex;
  align-items:center;
  gap:10px;
  justify-content:space-between;
}
.switch{
  position:relative;
  display:inline-block;
  width:48px;
  height:24px;
}
.links path{stroke-linecap:round;}
.nodes text{font-weight:500;}
.node circle{filter: drop-shadow(0 8px 16px rgba(0,0,0,.35));}
.timeline__axis text{font-weight:500;}
.timeline__axis line{stroke: var(--timeline-line);}
.timeline__axis path{stroke: var(--timeline-domain);}
.timeline__axis--right text{text-anchor:start;}
.guide-line{pointer-events:none;}

.toast{
  position:fixed;
  right:20px;
  bottom:20px;
  max-width:420px;
  padding:12px 14px;
  border-radius:14px;
  border:1px solid var(--line);
  background: rgba(20,22,27,.94);
  color:var(--text);
  box-shadow: var(--shadow);
  transform: translateY(12px);
  opacity:0;
  pointer-events:none;
  transition: opacity .18s ease, transform .18s ease;
}
.toast.open{
  opacity:1;
  transform: translateY(0);
  pointer-events:auto;
}
.toast[data-type="error"]{
  border-color: rgba(177,28,42,.75);
  background: linear-gradient(180deg, rgba(26,8,10,.92), rgba(26,15,18,.94));
}
.toast[data-type="info"]{
  border-color: rgba(255,255,255,.12);
}

@media (max-width: 980px){
  .app-shell{grid-template-columns: 1fr}
  .canvas-wrap{height: calc(100vh - 20px)}
  .sidebar{width: 92vw;}
}