:root{
  --ns-accent: #f59e0b; /* orange */
  --ns-bg: #f2f3f5;
  --ns-card: #ffffff;
  --ns-text: #111827;
  --ns-muted: #6b7280;
  --ns-border: rgba(17,24,39,.08);
  --ns-shadow: 0 10px 30px rgba(0,0,0,.06);
}

body[data-ns-theme="dark"]{
  --ns-bg: #0b1220;
  --ns-card: #0f172a;
  --ns-text: #e5e7eb;
  --ns-muted: #9ca3af;
  --ns-border: rgba(255,255,255,.10);
  --ns-shadow: 0 12px 35px rgba(0,0,0,.35);
}

html, body{height:100%;}
body{
  margin:0;
  font-family: system-ui, -apple-system, Segoe UI, Roboto, Helvetica, Arial, "Apple Color Emoji","Segoe UI Emoji";
  background: var(--ns-bg);
  color: var(--ns-text);
}

/* layout */
#root.ns-layout{
  min-height:100vh;
  display:flex;
}

.ns-sidebar{
  width: 270px;
  background: var(--ns-card);
  border-right: 1px solid var(--ns-border);
  position: sticky;
  top: 0;
  height: 100vh;
  overflow: auto;
}

.ns-main{
  flex:1;
  min-width:0;
}

/* sidebar header */
.ns-brand{
  padding: 18px 18px 10px;
  display:flex;
  align-items:center;
  justify-content:center;
}
.ns-brand img{max-width:150px; height:auto;}

.ns-sidebar-actions{padding: 0 18px 14px; display:grid; gap:10px;}
.ns-btn{
  display:inline-flex;
  align-items:center;
  justify-content:center;
  gap:8px;
  padding: 10px 12px;
  border-radius: 10px;
  text-decoration:none;
  font-weight: 700;
  border: 1px solid transparent;
  user-select:none;
}
.ns-btn.primary{
  background: var(--ns-accent);
  color: #111827;
}
body[data-ns-theme="dark"] .ns-btn.primary{color:#0b1220;}
.ns-btn.secondary{
  background: transparent;
  border-color: var(--ns-border);
  color: var(--ns-text);
}
.ns-btn.secondary:hover{border-color: rgba(245,158,11,.45);}

/* menu */
.ns-menu{padding: 8px 10px 18px;}
.ns-section{
  margin: 10px 0;
  border-radius: 12px;
}
.ns-section-title{
  display:flex;
  align-items:center;
  justify-content:space-between;
  padding: 10px 12px;
  font-size: 13px;
  color: var(--ns-muted);
  font-weight: 800;
  letter-spacing: .2px;
  cursor:pointer;
  user-select:none;
}
.ns-section-title .left{display:flex; align-items:center; gap:10px;}
.ns-section-title .chev{transition: transform .15s ease;}
.ns-section[data-open="true"] .chev{transform: rotate(180deg);}

.ns-section-items{
  padding: 4px 6px 10px;
  display:none;
}
.ns-section[data-open="true"] .ns-section-items{display:block;}

.ns-link{
  display:flex;
  align-items:center;
  gap:10px;
  padding: 10px 10px;
  margin: 2px 4px;
  border-radius: 10px;
  text-decoration:none;
  color: var(--ns-text);
  border: 1px solid transparent;
}
.ns-link i{width:20px; text-align:center; color: var(--ns-muted);}
.ns-link:hover{
  background: rgba(245,158,11,.10);
  border-color: rgba(245,158,11,.18);
}
.ns-link.active{
  background: rgba(245,158,11,.16);
  border-color: rgba(245,158,11,.30);
}
.ns-pill{
  margin-left:auto;
  font-size: 11px;
  padding: 2px 8px;
  border-radius: 999px;
  background: rgba(245,158,11,.18);
  color: var(--ns-text);
  border: 1px solid rgba(245,158,11,.30);
}

/* topbar */
.ns-topbar{
  height: 64px;
  padding: 0 18px;
  display:flex;
  align-items:center;
  justify-content:flex-end;
  gap:10px;
  background: var(--ns-card);
  border-bottom: 1px solid var(--ns-border);
  position: sticky;
  top: 0;
  z-index: 20;
}

.ns-iconbtn{
  width: 40px;
  height: 40px;
  border-radius: 12px;
  display:inline-flex;
  align-items:center;
  justify-content:center;
  border: 1px solid var(--ns-border);
  background: transparent;
  color: var(--ns-text);
}
.ns-iconbtn:hover{border-color: rgba(245,158,11,.35);}

.ns-loginbtn{
  padding: 8px 14px;
  border-radius: 12px;
  border: 1px solid var(--ns-border);
  background: var(--ns-card);
  color: var(--ns-text);
  font-weight: 800;
}
.ns-loginbtn:hover{border-color: rgba(245,158,11,.35);}

/* theme popover */
.ns-popover{
  position: absolute;
  top: 58px;
  right: 18px;
  width: 260px;
  background: var(--ns-card);
  border: 1px solid var(--ns-border);
  border-radius: 14px;
  box-shadow: var(--ns-shadow);
  padding: 12px;
  display:none;
}
.ns-popover[data-open="true"]{display:block;}

.ns-toggle{
  display:flex;
  gap:10px;
  margin-bottom: 10px;
}
.ns-toggle button{
  flex:1;
  padding: 8px 10px;
  border-radius: 10px;
  border: 1px solid var(--ns-border);
  background: transparent;
  color: var(--ns-text);
  font-weight: 800;
}
.ns-toggle button.active{
  border-color: rgba(245,158,11,.50);
  background: rgba(245,158,11,.14);
}

.ns-swatches{display:grid; grid-template-columns: repeat(6, 1fr); gap: 8px;}
.ns-swatch{
  width: 26px; height: 26px;
  border-radius: 999px;
  border: 2px solid rgba(0,0,0,.06);
  outline: none;
  cursor:pointer;
}
body[data-ns-theme="dark"] .ns-swatch{border-color: rgba(255,255,255,.12);}
.ns-swatch.active{box-shadow: 0 0 0 3px rgba(245,158,11,.25);}

/* content */
.ns-content{padding: 18px;}

.ns-card{
  background: var(--ns-card);
  border: 1px solid var(--ns-border);
  border-radius: 16px;
  box-shadow: var(--ns-shadow);
}

/* slider */
.ns-slider{position:relative; overflow:hidden; border-radius: 16px;}
.ns-slider img{width:100%; height:auto; display:block;}
.ns-slider .nav{
  position:absolute; top: 50%; transform: translateY(-50%);
  width:40px; height:40px; border-radius: 999px;
  border: 1px solid rgba(255,255,255,.35);
  background: rgba(0,0,0,.25);
  color: #fff;
  display:flex; align-items:center; justify-content:center;
}
.ns-slider .nav.left{left: 12px;}
.ns-slider .nav.right{right: 12px;}

/* responsive */
@media (max-width: 980px){
  .ns-sidebar{position: fixed; left:0; top:0; transform: translateX(-110%); transition: transform .2s ease; z-index: 50;}
  .ns-sidebar[data-open="true"]{transform: translateX(0);}
  .ns-topbar{justify-content: space-between;}
  .ns-burger{display:inline-flex;}
}
@media (min-width: 981px){
  .ns-burger{display:none;}
}

.ns-overlay{
  position: fixed; inset: 0; background: rgba(0,0,0,.35);
  z-index: 40; display:none;
}
.ns-overlay[data-open="true"]{display:block;}