/* main.css — Basislayout, violettes Modern UI */
:root{
  --bg:#120017;
  --window-bg: linear-gradient(180deg, #3b186e 0%, #2a0f4a 100%);
  --accent:#5a2ea6;
  --muted: rgba(255,255,255,0.65);
  --glass: rgba(255,255,255,0.04);
  --radius: 14px;
}

/* Page background */
html,body{
  height:100%;
  margin:0;
  font-family: Inter, "Segoe UI", Roboto, Arial, sans-serif;
  background: radial-gradient(circle at 10% 10%, rgba(90,46,166,0.12), transparent 10%),
              linear-gradient(180deg,#0d0720 0%, #06020a 100%);
  -webkit-font-smoothing:antialiased;
  -moz-osx-font-smoothing:grayscale;
  color:#fff;
}

/* Window */
.window{
  position:absolute;
  top:80px;
  left:80px;
  width:720px;
  height:460px;
  border-radius: var(--radius);
  overflow:hidden;
  background: var(--window-bg);
  box-shadow:
    0 8px 30px rgba(20,8,40,0.6),
    inset 0 1px 0 rgba(255,255,255,0.03),
    0 2px 0 rgba(0,0,0,0.5);
  border: 1px solid rgba(255,255,255,0.04);
  display:flex;
  flex-direction:column;
  user-select:none;
}

/* Titelleiste (Drag handle) */
.titlebar{
  height:56px;
  display:flex;
  align-items:center;
  justify-content:space-between;
  padding:0 14px;
  background: linear-gradient(180deg, rgba(255,255,255,0.02), rgba(0,0,0,0.05));
  border-bottom: 1px solid rgba(255,255,255,0.02);
  cursor: move;
}
.title-text{
  font-weight:600;
  color: #f3ecff;
  text-shadow: 0 1px 0 rgba(0,0,0,0.6);
  letter-spacing:0.2px;
}
.title-actions .icon-btn{
  background:transparent;
  border:0;
  color: rgba(255,255,255,0.8);
  font-size:16px;
  cursor:pointer;
  padding:6px;
  border-radius:8px;
}
.title-actions .icon-btn:hover{
  background: rgba(255,255,255,0.03);
  color:var(--accent);
}

/* Body area with sidebar + content */
.window-body{
  display:flex;
  flex:1;
  min-height:0; /* important for flex + overflow */
}

/* Sidebar (left tabs) */
.sidebar{
  width:170px;
  background: linear-gradient(180deg, rgba(255,255,255,0.02), rgba(0,0,0,0.04));
  border-right:1px solid rgba(255,255,255,0.02);
  padding:12px;
  box-sizing:border-box;
  display:flex;
  flex-direction:column;
  gap:8px;
}
.tab-btn{
  display:flex;
  align-items:center;
  gap:10px;
  padding:10px 12px;
  background: transparent;
  border: 1px solid transparent;
  color: #e9e3ff;
  text-align:left;
  border-radius:10px;
  cursor:pointer;
  font-weight:600;
  transition: all 180ms ease;
  box-shadow: 0 2px 6px rgba(18,0,34,0.25);
}
.tab-btn:hover{
  transform: translateY(-2px);
  background: linear-gradient(180deg, rgba(90,46,166,0.12), rgba(58,26,100,0.06));
}
.tab-btn.active{
  background: linear-gradient(90deg, rgba(90,46,166,0.18), rgba(90,46,166,0.08));
  border-color: rgba(90,46,166,0.35);
  box-shadow: 0 6px 18px rgba(90,46,166,0.12);
}

/* Content area */
.content{
  flex:1;
  padding:16px 20px;
  position:relative;
  overflow:auto;
  background: linear-gradient(180deg, rgba(255,255,255,0.01), rgba(0,0,0,0.02));
}

/* Tab content boxes */
.tab-content{
  display:none;
  color:#f7f4ff;
}
.tab-content.active{
  display:block;
}

/* Small helper styles */
h2{ margin-top:0; color:#f7eaff; }
p{ color:var(--muted); line-height:1.45; }
.muted{ color: rgba(255,255,255,0.55); font-size:13px; }

/* Toggle switch styling for settings */
.switch{
  display:inline-flex;
  align-items:center;
  gap:10px;
  margin-top:8px;
  cursor:pointer;
  user-select:none;
}
.switch input{ display:none; }
.switch .slider{
  width:46px;
  height:24px;
  background: rgba(255,255,255,0.12);
  border-radius:999px;
  position:relative;
  transition: all 160ms ease;
  box-shadow: inset 0 1px 0 rgba(255,255,255,0.02);
}
.switch .slider::after{
  content:'';
  position:absolute;
  top:3px;
  left:3px;
  width:18px;
  height:18px;
  background:#fff;
  border-radius:50%;
  transition: all 160ms ease;
  box-shadow: 0 2px 6px rgba(0,0,0,0.5);
}
.switch input:checked + .slider{
  background: linear-gradient(90deg, var(--accent), #7b4cf7);
}
.switch input:checked + .slider::after{
  transform: translateX(22px);
}

/* Effect canvas styles (positioned over the content area) */
.effect-canvas{
  position:absolute;
  pointer-events:none; /* don't block interactions */
  top:56px; /* below titlebar */
  left:0;
  width:100%;
  height: calc(100% - 56px);
  z-index: 8;
}

/* Responsive tweaks */
@media (max-width:800px){
  .window{ width:92%; left:4%; top:40px; }
  .sidebar{ width:130px; }
}