:root{
  --bg:#0a1016;
  --bg-2:#0d141c;
  --panel:#111a24;
  --panel-2:#162230;
  --panel-3:#1a2838;
  --line:rgba(255,255,255,.08);
  --line-strong:rgba(255,255,255,.14);

  --text:#edf3f9;
  --muted:#9aaabc;
  --soft:#7e90a3;

  --accent:#7dd3fc;
  --accent-2:#60a5fa;
  --success:#34d399;
  --warning:#fbbf24;
  --danger:#f87171;

  --radius:18px;
  --radius-lg:24px;

  --shadow:0 16px 40px rgba(0,0,0,.24);
  --shadow-lg:0 24px 60px rgba(0,0,0,.32);
}

*,
*::before,
*::after{
  box-sizing:border-box;
}

html{
  scroll-behavior:smooth;
}

body{
  margin:0;
  color:var(--text);
  background:
    radial-gradient(circle at top left, rgba(96,165,250,.10), transparent 25%),
    radial-gradient(circle at top right, rgba(125,211,252,.07), transparent 20%),
    linear-gradient(180deg, #081019 0%, #0b1117 100%);
  font:500 16px/1.55 Inter, system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
}

a{
  color:inherit;
  text-decoration:none;
}

button,
input,
textarea,
select{
  font:inherit;
}

.hidden{
  display:none !important;
}

.shell{
  width:min(calc(100% - 28px), 1320px);
  margin:28px auto 36px;
}

.shell-wide{
  width:min(calc(100% - 28px), 1520px);
}

.shell-center{
  min-height:100vh;
  display:grid;
  place-items:center;
}

.card{
  border:1px solid var(--line);
  border-radius:24px;
  padding:22px;
  background:linear-gradient(180deg, rgba(255,255,255,.03), rgba(255,255,255,.015));
  box-shadow:var(--shadow);
  backdrop-filter:blur(4px);
}

.auth-card{
  width:min(100%, 460px);
}

.brand-block{
  display:flex;
  align-items:center;
  gap:14px;
  margin-bottom:18px;
}

.brand-mark{
  width:54px;
  height:54px;
  border-radius:18px;
  display:grid;
  place-items:center;
  background:linear-gradient(135deg, var(--accent), var(--accent-2));
  color:#05131c;
  font-weight:900;
  letter-spacing:.04em;
}

h1,
h2,
h3{
  margin:0;
  line-height:1.15;
  letter-spacing:-.02em;
}

p{
  margin:6px 0 0;
}

.muted{
  color:var(--muted);
}

.error{
  color:var(--danger);
}

.form-stack{
  display:flex;
  flex-direction:column;
  gap:14px;
}

.form-stack label{
  display:flex;
  flex-direction:column;
  gap:8px;
}

input,
textarea,
select{
  width:100%;
  border:1px solid var(--line);
  background:var(--panel-2);
  color:var(--text);
  border-radius:14px;
  padding:12px 14px;
  outline:none;
}

input:focus,
textarea:focus,
select:focus{
  border-color:rgba(125,211,252,.3);
  box-shadow:0 0 0 3px rgba(125,211,252,.08);
}

textarea{
  min-height:240px;
  resize:vertical;
}

.btn{
  display:inline-flex;
  align-items:center;
  justify-content:center;
  gap:8px;
  border:1px solid var(--line);
  border-radius:14px;
  padding:11px 14px;
  cursor:pointer;
  background:rgba(255,255,255,.03);
  color:var(--text);
  transition:all .2s ease;
}

.btn:hover{
  transform:translateY(-1px);
}

.btn-primary{
  border-color:transparent;
  background:linear-gradient(135deg, var(--accent), var(--accent-2));
  color:#05131c;
  font-weight:800;
}

.btn-secondary:hover{
  background:rgba(255,255,255,.06);
}

.topbar{
  display:flex;
  justify-content:space-between;
  align-items:flex-start;
  gap:16px;
  margin-bottom:18px;
}

.topbar-actions{
  display:flex;
  gap:10px;
  flex-wrap:wrap;
}

.page-hero{
  margin-bottom:18px;
}

.page-hero h1{
  font-size:3rem;
}

.page-hero p{
  font-size:1.2rem;
}

.grid-dashboard{
  display:grid;
  grid-template-columns:1.4fr .8fr;
  gap:18px;
}

.grid-builder{
  display:grid;
  grid-template-columns:1.2fr .8fr;
  gap:18px;
}

.builder-layout{
  display:grid;
  grid-template-columns:280px minmax(0, 1fr) 420px;
  gap:18px;
  align-items:start;
}

.builder-sidebar,
.builder-main,
.builder-right{
  min-width:0;
}

.builder-right{
  display:flex;
  flex-direction:column;
  gap:18px;
}

.section-head{
  display:flex;
  justify-content:space-between;
  align-items:flex-start;
  gap:12px;
  margin-bottom:16px;
}

.section-head p{
  margin-top:4px;
}

.list-stack{
  display:flex;
  flex-direction:column;
  gap:12px;
}

.list-item{
  display:flex;
  justify-content:space-between;
  gap:14px;
  align-items:center;
  padding:16px;
  border:1px solid var(--line);
  border-radius:18px;
  background:rgba(255,255,255,.02);
}

.list-item:hover{
  border-color:rgba(125,211,252,.18);
  background:rgba(255,255,255,.03);
}

.compact-list .list-item{
  padding:12px;
  border-radius:14px;
}

.compact-item strong{
  font-size:.98rem;
}

.list-item strong{
  display:block;
  font-size:1.05rem;
}

.list-meta{
  color:var(--muted);
  margin-top:6px;
}

.row-actions{
  display:flex;
  gap:10px;
  flex-wrap:wrap;
}

.kpi-grid{
  display:grid;
  grid-template-columns:repeat(2, 1fr);
  gap:12px;
}

.kpi{
  padding:16px;
  border:1px solid var(--line);
  border-radius:18px;
  background:rgba(255,255,255,.02);
}

.kpi b{
  display:block;
  font-size:1.4rem;
  margin-bottom:4px;
}

.kpi span{
  color:var(--muted);
}

.quick-grid{
  display:grid;
  grid-template-columns:repeat(2, 1fr);
  gap:10px;
}

.quick-btn{
  padding:12px;
  border:1px solid var(--line);
  border-radius:14px;
  background:rgba(255,255,255,.03);
  color:var(--text);
  text-align:left;
  cursor:pointer;
}

.quick-btn:hover{
  border-color:rgba(125,211,252,.18);
  background:rgba(125,211,252,.06);
}

.palette-list{
  display:flex;
  flex-direction:column;
  gap:10px;
}

.palette-item{
  width:100%;
  text-align:left;
  padding:14px;
  border:1px solid var(--line);
  border-radius:16px;
  background:rgba(255,255,255,.03);
  color:var(--text);
  cursor:pointer;
}

.palette-item:hover{
  border-color:rgba(125,211,252,.18);
  background:rgba(125,211,252,.06);
}

.palette-item strong{
  display:block;
  font-size:1rem;
}

.palette-item span{
  display:block;
  margin-top:4px;
  color:var(--muted);
  font-size:.92rem;
}

.status-stack{
  display:flex;
  flex-direction:column;
  gap:10px;
}

.code-box{
  min-height:560px;
  font-family:ui-monospace, SFMono-Regular, Menlo, monospace;
  line-height:1.5;
}

.toolbar{
  display:flex;
  flex-wrap:wrap;
  gap:10px;
  margin-top:14px;
}

.result-box{
  min-height:480px;
  margin:0;
  padding:14px;
  border:1px solid var(--line);
  border-radius:16px;
  background:var(--panel);
  overflow:auto;
  white-space:pre-wrap;
  word-break:break-word;
}

.result-box-tall{
  min-height:320px;
}

.status-row{
  display:flex;
  gap:10px;
  flex-wrap:wrap;
  margin-bottom:14px;
}

.badge{
  display:inline-flex;
  align-items:center;
  gap:6px;
  padding:7px 10px;
  border-radius:999px;
  border:1px solid var(--line);
  background:rgba(255,255,255,.03);
  color:var(--muted);
  font-size:.9rem;
}

.badge.success{
  color:var(--success);
  border-color:rgba(52,211,153,.18);
  background:rgba(52,211,153,.08);
}

.badge.warning{
  color:var(--warning);
  border-color:rgba(251,191,36,.18);
  background:rgba(251,191,36,.08);
}

.message{
  margin-top:14px;
}

.split-grid{
  display:grid;
  grid-template-columns:minmax(0, 1.15fr) minmax(320px, .85fr);
  gap:18px;
}

.content-stack{
  display:flex;
  flex-direction:column;
  gap:18px;
}

.field-grid{
  display:grid;
  grid-template-columns:repeat(2, minmax(0, 1fr));
  gap:12px;
}

.inline-actions{
  display:flex;
  flex-wrap:wrap;
  gap:10px;
}

.section-stack{
  display:flex;
  flex-direction:column;
  gap:14px;
}

.meta-row{
  display:flex;
  flex-wrap:wrap;
  gap:10px;
  color:var(--muted);
}

.meta-pill{
  display:inline-flex;
  align-items:center;
  gap:6px;
  padding:7px 10px;
  border-radius:999px;
  border:1px solid var(--line);
  background:rgba(255,255,255,.03);
  color:var(--muted);
  font-size:.9rem;
}

.note-card{
  padding:16px;
  border:1px solid var(--line);
  border-radius:18px;
  background:rgba(255,255,255,.025);
}

.note-card p{
  margin-top:8px;
}

.article-title{
  font-size:2.4rem;
  line-height:1.05;
}

.article-body{
  white-space:pre-wrap;
  line-height:1.72;
  color:var(--text);
}

.article-list{
  display:flex;
  flex-direction:column;
  gap:12px;
}

.article-link{
  display:block;
  padding:16px;
  border:1px solid var(--line);
  border-radius:18px;
  background:rgba(255,255,255,.02);
}

.article-link:hover{
  border-color:rgba(125,211,252,.18);
  background:rgba(125,211,252,.06);
}

.article-link strong{
  display:block;
}

.article-link span{
  display:block;
  margin-top:6px;
  color:var(--muted);
}

.docs-layout{
  display:grid;
  grid-template-columns:280px minmax(0, 1fr);
  gap:18px;
  align-items:start;
}

.docs-nav{
  position:sticky;
  top:20px;
}

.docs-nav a{
  display:block;
  padding:10px 12px;
  border-radius:12px;
  color:var(--muted);
}

.docs-nav a:hover{
  background:rgba(125,211,252,.08);
  color:var(--accent);
}

.docs-section{
  padding:20px;
  border:1px solid var(--line);
  border-radius:20px;
  background:rgba(255,255,255,.02);
}

.docs-section + .docs-section{
  margin-top:16px;
}

.docs-section ul{
  margin:10px 0 0;
  padding-left:18px;
  color:var(--text);
}

.docs-section li + li{
  margin-top:8px;
}

.helper-text{
  color:var(--muted);
  font-size:.92rem;
}

.app-link{
  color:var(--accent);
}

.app-link:hover{
  text-decoration:underline;
}

@media (max-width: 1280px){
  .builder-layout{
    grid-template-columns:1fr;
  }

  .docs-layout{
    grid-template-columns:1fr;
  }

  .docs-nav{
    position:static;
  }
}

@media (max-width: 980px){
  .grid-dashboard,
  .grid-builder,
  .split-grid{
    grid-template-columns:1fr;
  }

  .topbar{
    flex-direction:column;
    align-items:stretch;
  }
}

@media (max-width: 640px){
  .shell,
  .shell-wide{
    width:min(calc(100% - 16px), 1520px);
    margin:18px auto 24px;
  }

  .card{
    padding:16px;
    border-radius:20px;
  }

  .page-hero h1{
    font-size:2.2rem;
  }

  .list-item{
    flex-direction:column;
    align-items:flex-start;
  }

  .row-actions,
  .toolbar,
  .topbar-actions{
    width:100%;
  }

  .btn{
    width:100%;
  }

  .quick-grid,
  .kpi-grid,
  .field-grid{
    grid-template-columns:1fr;
  }
}