:root{
  --bg:#f4f6fb;
  --surface:#fff;
  --surface-2:#f8fafc;
  --text:#162032;
  --muted:#5d6b82;
  --line:#d8e0ea;
  --brand:#e95f0c;
  --brand-soft:#fff1e7;
  --radius:18px;
  --shadow:0 10px 28px rgba(15,23,42,.08);
}
*{box-sizing:border-box}
body{margin:0;background:linear-gradient(180deg,#fbfcfe 0%,var(--bg) 100%);color:var(--text);font:16px/1.6 Inter,system-ui,-apple-system,Segoe UI,Roboto,Arial,sans-serif}
code,pre,input,button,textarea,select{font:inherit}
.app-shell{width:min(calc(100% - 32px),1500px);margin:0 auto;padding:28px 0 48px}
.hero{display:flex;justify-content:space-between;gap:20px;align-items:flex-start;margin-bottom:24px}
.eyebrow{display:inline-flex;align-items:center;padding:6px 12px;border-radius:999px;background:var(--brand-soft);color:var(--brand);font-weight:700;font-size:14px}
.hero h1{font-size:clamp(30px,4vw,48px);line-height:1.1;margin:12px 0}
.hero p{max-width:72ch;color:var(--muted);margin:0}
.hero-actions{display:flex;gap:12px;flex-wrap:wrap}
.layout{display:grid;grid-template-columns:320px 1fr;gap:24px;align-items:start}
.panel{background:var(--surface);border:1px solid rgba(22,32,50,.08);border-radius:var(--radius);box-shadow:var(--shadow);padding:22px}
.sticky{position:sticky;top:16px}
h2,h3{margin:0 0 8px}
hr{border:none;border-top:1px solid var(--line);margin:18px 0}
.field{display:grid;gap:8px;margin-bottom:14px}
label{font-weight:700;font-size:14px}
input,textarea,select{width:100%;padding:10px 12px;border-radius:12px;border:1px solid var(--line);background:#fff;color:var(--text)}
.btn{appearance:none;border:0;background:var(--brand);color:#fff;padding:11px 16px;border-radius:14px;font-weight:700;cursor:pointer}
.btn-secondary{background:#1f2a44}
.muted{color:var(--muted)}
.stack{display:grid;gap:10px}
.container-list{display:grid;gap:18px}
.container-card{border:1px solid var(--line);background:var(--surface-2);border-radius:16px;padding:18px}
.container-card__head{display:flex;justify-content:space-between;gap:12px;align-items:center;margin-bottom:14px}
.inline-grid{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:14px}
.column-editor{border:1px dashed #b8c4d6;border-radius:14px;background:#fff;padding:14px}
.small-actions{display:flex;gap:10px;align-items:center}
.preview-grid{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:24px;margin-top:24px}
.preview-stage{display:grid;gap:18px}
.preview-card{border:1px solid var(--line);border-radius:16px;background:var(--surface-2);padding:18px}
.preview-title{font-weight:800;margin-bottom:12px}
.row-demo{display:grid;gap:12px;grid-template-columns:repeat(12,1fr)}
.col-demo{min-height:76px;border-radius:12px;border:1px dashed #b3bfd1;background:#fff;padding:10px;display:flex;align-items:center;justify-content:center;text-align:center;font-weight:700}
.meta-grid{display:grid;gap:10px;margin-top:12px}
.meta-chip{display:inline-flex;gap:6px;align-items:center;padding:5px 10px;border-radius:999px;border:1px solid var(--line);background:#fff;font-size:13px;font-weight:700}
pre{margin:0;padding:16px;border-radius:16px;background:#0f172a;color:#e2e8f0;overflow:auto;font-size:14px;line-height:1.45}
.badge-row{display:flex;gap:8px;flex-wrap:wrap;margin-top:8px}
.validation{margin-top:8px;font-size:14px;font-weight:700}
.validation--ok{color:#0f6b35}
.validation--error{color:#a12727}
@media (max-width:1100px){
  .layout,.preview-grid,.inline-grid{grid-template-columns:1fr}
  .sticky{position:static}
  .hero{flex-direction:column}
}


.option-toggles{display:grid;gap:10px}
.toggle{
  display:flex;align-items:center;gap:10px;padding:10px 12px;border:1px solid var(--line);
  border-radius:12px;background:var(--surface-2);font-weight:600
}
.toggle input{width:auto}
.preset-library{display:grid;gap:10px}
.preset-card{
  appearance:none;border:1px solid var(--line);background:var(--surface-2);border-radius:14px;padding:12px 14px;
  text-align:left;cursor:pointer;display:grid;gap:4px;color:var(--text)
}
.preset-card strong{font-size:15px}
.preset-card span,.preset-card em{color:var(--muted);font-style:normal}
.summary-grid{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:16px}
.summary-card{
  border:1px solid var(--line);border-radius:14px;background:var(--surface-2);padding:14px;display:grid;gap:6px
}
.summary-card strong{font-size:14px}
.preview-note{margin-top:8px;font-size:12px;color:var(--muted);line-height:1.35;font-weight:500}
@media (max-width:1100px){
  .summary-grid{grid-template-columns:1fr}
}

.workspace-bar{
  display:flex;justify-content:space-between;align-items:center;gap:20px;margin-bottom:24px;
}
.workspace-bar__meta{display:grid;gap:6px}
.workspace-bar__title{display:flex;align-items:center;gap:10px;flex-wrap:wrap}
.workspace-bar__details{color:var(--muted);font-size:14px}
.workspace-bar__actions{display:flex;gap:10px;flex-wrap:wrap}
.status-pill{
  display:inline-flex;align-items:center;padding:4px 10px;border-radius:999px;border:1px solid var(--line);
  background:var(--surface-2);font-size:12px;font-weight:700
}
.status-pill--success{background:#e9f7ee;border-color:#b9e2c5;color:#17653b}
.status-pill--warning{background:#fff4e8;border-color:#f2c59b;color:#9a4d09}
.sidebar-stack{display:grid;gap:18px}
.sidebar-section{display:grid;gap:12px}
.sidebar-section__head{display:grid;gap:4px}
.toolbar{
  display:flex;justify-content:space-between;align-items:flex-end;gap:20px;flex-wrap:wrap
}
.toolbar__tabs{display:flex;gap:10px;flex-wrap:wrap}
.tab-button{
  appearance:none;border:1px solid var(--line);background:var(--surface-2);padding:10px 14px;border-radius:12px;
  cursor:pointer;font-weight:700;color:var(--text)
}
.tab-button.is-active{background:var(--brand);border-color:var(--brand);color:#fff}
.tab-panel{display:none}
.tab-panel.is-active{display:block}
.field--compact{margin:0}
.section-header{display:flex;justify-content:space-between;align-items:flex-start;gap:16px;margin-bottom:12px}
.section-header__meta{color:var(--muted);font-size:14px;font-weight:700}
.empty-state{
  border:1px dashed var(--line);border-radius:16px;background:var(--surface-2);padding:22px;text-align:center;color:var(--muted)
}
@media (max-width:1100px){
  .workspace-bar,.toolbar,.section-header{flex-direction:column;align-items:stretch}
}

:root{
  color-scheme: dark;
  --success-bg:#123c26;
  --success-border:#285e3d;
  --success-text:#b8f1c7;
  --warning-bg:#3d2a12;
  --warning-border:#6d4d1f;
  --warning-text:#ffd7a1;
}
html[data-theme="dark"]{
  color-scheme: dark;
  --bg:#0b1220;
  --surface:#121b2b;
  --surface-2:#182235;
  --text:#edf2ff;
  --muted:#9ba8c0;
  --line:#2a3650;
  --brand:#ff7a2f;
  --brand-soft:#3d2416;
  --radius:18px;
  --shadow:0 14px 32px rgba(0,0,0,.28);
}
html[data-theme="light"]{
  color-scheme: light;
  --bg:#f4f6fb;
  --surface:#ffffff;
  --surface-2:#f8fafc;
  --text:#162032;
  --muted:#5d6b82;
  --line:#d8e0ea;
  --brand:#e95f0c;
  --brand-soft:#fff1e7;
  --radius:18px;
  --shadow:0 10px 28px rgba(15,23,42,.08);
}
body{transition:background-color .2s ease,color .2s ease}
code{background:color-mix(in srgb, var(--surface-2) 82%, #111 18%);padding:.15em .4em;border-radius:8px}
input,textarea,select{
  background:color-mix(in srgb, var(--surface) 92%, #000 8%);
  color:var(--text);
}
textarea{min-height:86px;resize:vertical}
button, input, textarea, select{transition:background-color .15s ease,border-color .15s ease,color .15s ease}
.btn{
  box-shadow:0 1px 0 rgba(255,255,255,.05) inset;
}
.btn-secondary{
  background:color-mix(in srgb, var(--surface-2) 85%, #32405f 15%);
  color:var(--text);
  border:1px solid var(--line);
}
.btn-secondary:hover{
  border-color:color-mix(in srgb, var(--brand) 40%, var(--line) 60%);
}
.workspace-bar,.panel,.summary-card,.container-card,.column-editor,.preset-card,.toggle,.empty-state{
  backdrop-filter:saturate(120%) blur(2px);
}
.status-pill--success{background:var(--success-bg);border-color:var(--success-border);color:var(--success-text)}
.status-pill--warning{background:var(--warning-bg);border-color:var(--warning-border);color:var(--warning-text)}
.field--theme{min-width:140px}
.preview-note--boxed{
  margin-top:12px;
  padding:10px 12px;
  border-radius:12px;
  border:1px solid var(--line);
  background:var(--surface);
}
.summary-card span{line-height:1.45}
.container-card textarea[data-field="notes"]{
  min-height:92px;
}


html[data-theme="dark"]{
  --bg-top:#09111f;
  --bg-bottom:#0d1524;
  --surface:#0f1728;
  --surface-2:#121d31;
  --surface-3:#172338;
  --text:#edf2ff;
  --muted:#9aa9c4;
  --line:#26344d;
  --line-soft:#1d2940;
  --brand:#ff7a2f;
  --brand-soft:#3a2417;
  --shadow:0 18px 38px rgba(0,0,0,.28);
}
html[data-theme="light"]{
  --bg-top:#f7f9fc;
  --bg-bottom:#eef3f9;
  --surface:#ffffff;
  --surface-2:#f7f9fc;
  --surface-3:#eef3f8;
  --text:#162032;
  --muted:#5d6b82;
  --line:#d8e0ea;
  --line-soft:#e7edf4;
  --brand:#e95f0c;
  --brand-soft:#fff1e7;
  --shadow:0 12px 26px rgba(15,23,42,.08);
}

body{
  background:
    radial-gradient(circle at top left, color-mix(in srgb, var(--brand) 7%, transparent) 0, transparent 28%),
    linear-gradient(180deg, var(--bg-top) 0%, var(--bg-bottom) 100%);
  min-height:100vh;
}
.app-shell{
  width:calc(100vw - 36px);
  max-width:none;
  margin:0 auto;
  padding:22px 0 40px;
}
.hero{
  display:grid;
  grid-template-columns:minmax(0, 1fr) auto;
  gap:18px 24px;
  align-items:start;
  margin-bottom:18px;
}
.hero h1{
  font-size:clamp(34px, 3.8vw, 54px);
  line-height:1.04;
  margin:10px 0 8px;
  max-width:13ch;
}
.hero p{
  max-width:72ch;
  font-size:17px;
  line-height:1.55;
}
.hero-actions{
  justify-content:flex-end;
  align-self:start;
}
.eyebrow{
  background:color-mix(in srgb, var(--brand) 18%, transparent);
  border:1px solid color-mix(in srgb, var(--brand) 30%, var(--line) 70%);
  color:var(--brand);
}
.workspace-bar{
  background:linear-gradient(180deg, color-mix(in srgb, var(--surface) 94%, transparent) 0%, color-mix(in srgb, var(--surface-2) 96%, transparent) 100%);
  border:1px solid var(--line);
  padding:18px 20px;
  margin-bottom:18px;
}
.layout{
  grid-template-columns:minmax(320px, 360px) minmax(0, 1fr);
  gap:20px;
}
.content{
  min-width:0;
  display:grid;
  gap:18px;
}
.sidebar-stack{
  gap:14px;
}
.sidebar-section{
  border:1px solid var(--line-soft);
  border-radius:16px;
  background:linear-gradient(180deg, color-mix(in srgb, var(--surface) 94%, transparent) 0%, color-mix(in srgb, var(--surface-2) 96%, transparent) 100%);
  padding:16px;
}
.panel{
  background:linear-gradient(180deg, color-mix(in srgb, var(--surface) 94%, transparent) 0%, color-mix(in srgb, var(--surface-2) 98%, transparent) 100%);
  border:1px solid var(--line);
  padding:20px;
}
.toolbar{
  align-items:center;
}
.toolbar__tabs{
  gap:8px;
}
.toolbar__tools{
  min-width:min(100%, 320px);
}
.tab-button{
  padding:10px 16px;
  background:var(--surface-2);
  border:1px solid var(--line);
}
.tab-button.is-active{
  box-shadow:0 8px 20px color-mix(in srgb, var(--brand) 28%, transparent);
}
.field{
  margin-bottom:10px;
}
label{
  color:var(--text);
  opacity:.95;
}
input, textarea, select{
  background:color-mix(in srgb, var(--surface) 92%, #000 8%);
  border:1px solid var(--line);
  min-height:46px;
}
input::placeholder, textarea::placeholder{
  color:var(--muted);
}
textarea{
  min-height:98px;
}
.btn{
  min-height:46px;
  padding:11px 16px;
}
.btn-secondary{
  background:color-mix(in srgb, var(--surface-2) 88%, #24324c 12%);
}
.summary-grid{
  grid-template-columns:repeat(4, minmax(0, 1fr));
  gap:14px;
}
.summary-card{
  background:linear-gradient(180deg, color-mix(in srgb, var(--surface-2) 92%, transparent) 0%, color-mix(in srgb, var(--surface) 96%, transparent) 100%);
  border:1px solid var(--line);
  padding:15px 16px;
}
.container-list{
  gap:16px;
}
.container-card{
  background:linear-gradient(180deg, color-mix(in srgb, var(--surface-2) 96%, transparent) 0%, color-mix(in srgb, var(--surface) 96%, transparent) 100%);
  border:1px solid var(--line);
  padding:16px;
}
.container-card__head{
  align-items:flex-start;
  margin-bottom:12px;
}
.inline-grid{
  gap:12px;
}
.meta-grid{
  grid-template-columns:repeat(auto-fit, minmax(220px, 1fr));
  gap:12px;
}
.column-editor{
  background:color-mix(in srgb, var(--surface) 95%, transparent);
  border:1px solid var(--line);
}
.preview-grid{
  grid-template-columns:repeat(2, minmax(0, 1fr));
  gap:18px;
  margin-top:0;
}
.preview-card{
  background:linear-gradient(180deg, color-mix(in srgb, var(--surface-2) 94%, transparent) 0%, color-mix(in srgb, var(--surface) 96%, transparent) 100%);
  border:1px solid var(--line);
}
.col-demo{
  background:color-mix(in srgb, var(--surface) 96%, transparent);
  border:1px dashed color-mix(in srgb, var(--muted) 35%, transparent);
}
.meta-chip, .status-pill{
  background:color-mix(in srgb, var(--surface-3) 86%, transparent);
  border:1px solid var(--line);
  color:var(--text);
}
.toggle, .preset-card, .empty-state{
  background:linear-gradient(180deg, color-mix(in srgb, var(--surface-2) 94%, transparent) 0%, color-mix(in srgb, var(--surface) 96%, transparent) 100%);
  border:1px solid var(--line);
}
.preset-card:hover{
  border-color:color-mix(in srgb, var(--brand) 45%, var(--line) 55%);
  transform:translateY(-1px);
}
pre{
  background:#09111d;
  border:1px solid var(--line);
}
code{
  background:color-mix(in srgb, var(--surface-3) 86%, transparent);
}
h1, h2, h3, strong{
  color:var(--text);
}
.muted, .workspace-bar__details, .section-header__meta{
  color:var(--muted);
}
.field--theme{
  margin-bottom:0;
}
.preview-note--boxed{
  background:color-mix(in srgb, var(--surface) 94%, transparent);
}
@media (max-width: 1400px){
  .summary-grid{
    grid-template-columns:repeat(2, minmax(0, 1fr));
  }
}
@media (max-width: 1180px){
  .app-shell{
    width:calc(100vw - 24px);
  }
  .layout{
    grid-template-columns:1fr;
  }
  .sticky{
    position:static;
  }
  .summary-grid,
  .preview-grid{
    grid-template-columns:1fr;
  }
}
@media (max-width: 860px){
  .hero{
    grid-template-columns:1fr;
  }
  .hero h1{
    max-width:none;
    font-size:clamp(30px, 8vw, 44px);
  }
  .workspace-bar,
  .workspace-bar__actions,
  .section-header,
  .toolbar{
    flex-direction:column;
    align-items:stretch;
  }
  .toolbar__tools{
    min-width:0;
    width:100%;
  }
  .summary-grid{
    grid-template-columns:1fr;
  }
}


html[data-theme="dark"]{
  --app-bg:#121314;
  --app-panel:#18191b;
  --app-panel-2:#1d1f21;
  --app-panel-3:#242629;
  --app-border:#34373c;
  --app-border-soft:#2b2e33;
  --app-text:#f2f3f5;
  --app-muted:#a8adb5;
  --app-accent:#ff7a2f;
  --app-accent-soft:#3a2417;
}
html[data-theme="light"]{
  --app-bg:#eef3f8;
  --app-panel:#ffffff;
  --app-panel-2:#f7f9fc;
  --app-panel-3:#eef3f8;
  --app-border:#d6dfea;
  --app-border-soft:#e7edf4;
  --app-text:#162032;
  --app-muted:#5d6b82;
  --app-accent:#e95f0c;
  --app-accent-soft:#fff1e7;
}
body{
  background:linear-gradient(180deg, var(--app-bg) 0%, color-mix(in srgb, var(--app-bg) 88%, #000 12%) 100%);
}
.app-shell{
  width:calc(100vw - 20px);
  padding:10px 0 18px;
}
.hero{
  display:grid;
  grid-template-columns:minmax(0, 1fr) auto;
  align-items:center;
  gap:14px 20px;
  padding:14px 18px;
  margin-bottom:12px;
  border:1px solid var(--app-border);
  border-radius:18px;
  background:linear-gradient(180deg, color-mix(in srgb, var(--app-panel) 96%, transparent) 0%, color-mix(in srgb, var(--app-panel-2) 98%, transparent) 100%);
  box-shadow:var(--shadow);
}
.hero h1{
  font-size:28px;
  line-height:1.05;
  margin:6px 0 4px;
  max-width:none;
}
.hero p{
  font-size:14px;
  line-height:1.45;
  margin:0;
  color:var(--app-muted);
  max-width:none;
}
.hero-actions{
  display:flex;
  align-items:center;
  gap:10px;
}
.eyebrow{
  font-size:12px;
  letter-spacing:.02em;
  background:var(--app-accent-soft);
}
.workspace-bar--app{
  padding:12px 16px;
  margin-bottom:14px;
  border-radius:16px;
  background:linear-gradient(180deg, color-mix(in srgb, var(--app-panel) 98%, transparent) 0%, color-mix(in srgb, var(--app-panel-2) 98%, transparent) 100%);
}
.workspace-bar{
  gap:16px;
}
.workspace-bar__meta{
  gap:4px;
}
.workspace-bar__title{
  gap:8px;
}
.workspace-bar__details{
  font-size:13px;
  color:var(--app-muted);
}
.workspace-bar__actions{
  gap:8px;
  align-items:end;
}
.layout{
  grid-template-columns:320px minmax(0, 1fr);
  gap:14px;
}
.sidebar-stack{
  gap:12px;
}
.sidebar-section{
  padding:14px;
  border-radius:14px;
  background:linear-gradient(180deg, color-mix(in srgb, var(--app-panel) 98%, transparent) 0%, color-mix(in srgb, var(--app-panel-2) 98%, transparent) 100%);
  border:1px solid var(--app-border);
}
.sidebar-section__head h2{
  font-size:18px;
}
.sidebar-section__head p{
  font-size:13px;
}
.panel{
  padding:16px;
  border-radius:16px;
  background:linear-gradient(180deg, color-mix(in srgb, var(--app-panel) 98%, transparent) 0%, color-mix(in srgb, var(--app-panel-2) 98%, transparent) 100%);
  border:1px solid var(--app-border);
}
.content{
  gap:14px;
}
.toolbar{
  position:sticky;
  top:10px;
  z-index:20;
  padding:2px 0;
}
.toolbar__tabs{
  gap:6px;
}
.tab-button{
  min-height:40px;
  padding:8px 14px;
  border-radius:10px;
  font-size:14px;
  background:color-mix(in srgb, var(--app-panel-2) 95%, transparent);
  border-color:var(--app-border);
}
.tab-button.is-active{
  box-shadow:none;
}
.section-header{
  margin-bottom:10px;
}
.section-header h2,
.panel h2{
  font-size:18px;
}
.summary-grid{
  grid-template-columns:repeat(4, minmax(0, 1fr));
  gap:12px;
}
.summary-card{
  padding:14px;
  border-radius:14px;
  background:linear-gradient(180deg, color-mix(in srgb, var(--app-panel-2) 96%, transparent) 0%, color-mix(in srgb, var(--app-panel-3) 90%, transparent) 100%);
  border:1px solid var(--app-border);
}
.summary-card strong{
  font-size:14px;
}
.summary-card span{
  font-size:14px;
}
.field{
  gap:6px;
  margin-bottom:10px;
}
label{
  font-size:13px;
  font-weight:700;
  color:var(--app-text);
}
input, textarea, select{
  min-height:42px;
  padding:10px 12px;
  border-radius:12px;
  background:color-mix(in srgb, var(--app-panel) 90%, #000 10%);
  border:1px solid var(--app-border);
  color:var(--app-text);
}
textarea{
  min-height:92px;
}
button.btn{
  min-height:42px;
  border-radius:12px;
  font-size:14px;
}
.btn-secondary{
  background:color-mix(in srgb, var(--app-panel-2) 92%, #22304b 8%);
}
.container-list{
  gap:14px;
}
.container-card{
  padding:14px;
  border-radius:14px;
  background:linear-gradient(180deg, color-mix(in srgb, var(--app-panel-2) 96%, transparent) 0%, color-mix(in srgb, var(--app-panel) 98%, transparent) 100%);
  border:1px solid var(--app-border);
}
.container-card__head{
  gap:10px;
  margin-bottom:10px;
}
.container-card__head h3{
  font-size:17px;
}
.inline-grid{
  gap:10px;
}
.meta-grid{
  grid-template-columns:repeat(auto-fit, minmax(220px, 1fr));
  gap:10px;
}
.column-editor{
  padding:12px;
  border-radius:12px;
  background:color-mix(in srgb, var(--app-panel) 96%, transparent);
  border:1px solid var(--app-border);
}
.preview-grid{
  grid-template-columns:repeat(2, minmax(0, 1fr));
  gap:14px;
}
.preview-stage{
  gap:12px;
}
.preview-card{
  padding:14px;
  border-radius:14px;
  background:linear-gradient(180deg, color-mix(in srgb, var(--app-panel-2) 96%, transparent) 0%, color-mix(in srgb, var(--app-panel) 98%, transparent) 100%);
  border:1px solid var(--app-border);
}
.preview-title{
  font-size:15px;
}
.row-demo{
  gap:10px;
}
.col-demo{
  min-height:74px;
  border-radius:10px;
  background:color-mix(in srgb, var(--app-panel) 98%, transparent);
  border:1px dashed color-mix(in srgb, var(--app-muted) 28%, transparent);
}
.meta-chip,
.status-pill{
  min-height:28px;
  padding:4px 9px;
  border-radius:999px;
  font-size:12px;
  border:1px solid var(--app-border);
  background:color-mix(in srgb, var(--app-panel-3) 88%, transparent);
  color:var(--app-text);
}
.option-toggles,
.preset-library{
  gap:8px;
}
.toggle,
.preset-card{
  border-radius:12px;
  background:linear-gradient(180deg, color-mix(in srgb, var(--app-panel-2) 96%, transparent) 0%, color-mix(in srgb, var(--app-panel) 98%, transparent) 100%);
  border:1px solid var(--app-border);
}
.preset-card strong{
  font-size:14px;
}
.preset-card span,
.preset-card em{
  font-size:13px;
}
pre{
  border-radius:14px;
  padding:14px;
  background:#0a111d;
  color:#e5eefc;
}
.empty-state{
  border-radius:14px;
  padding:18px;
  background:linear-gradient(180deg, color-mix(in srgb, var(--app-panel-2) 96%, transparent) 0%, color-mix(in srgb, var(--app-panel) 98%, transparent) 100%);
  border:1px dashed var(--app-border);
}
.muted,
.workspace-bar__details,
.section-header__meta,
.preview-note{
  color:var(--app-muted);
}
h1,h2,h3,strong{
  color:var(--app-text);
}
@media (max-width: 1440px){
  .summary-grid{
    grid-template-columns:repeat(2, minmax(0, 1fr));
  }
}
@media (max-width: 1120px){
  .app-shell{
    width:calc(100vw - 14px);
    padding:8px 0 14px;
  }
  .layout{
    grid-template-columns:1fr;
  }
  .sticky{
    position:static;
  }
  .preview-grid{
    grid-template-columns:1fr;
  }
}
@media (max-width: 860px){
  .hero{
    grid-template-columns:1fr;
  }
  .hero-actions,
  .workspace-bar__actions,
  .toolbar,
  .section-header{
    width:100%;
  }
  .summary-grid{
    grid-template-columns:1fr;
  }
}


.sidebar-stack--tool{
  padding:12px;
}
.sidebar-section{
  padding:0;
  overflow:hidden;
}
.sidebar-accordion{
  width:100%;
  display:flex;
  align-items:center;
  justify-content:space-between;
  gap:12px;
  padding:12px 14px;
  border:0;
  background:transparent;
  color:var(--app-text);
  font-weight:800;
  font-size:14px;
  cursor:pointer;
}
.sidebar-accordion__icon{
  transition:transform .18s ease;
  opacity:.8;
}
.sidebar-section__body{
  padding:0 14px 14px;
}
.sidebar-section.is-collapsed .sidebar-section__body{
  display:none;
}
.sidebar-section.is-collapsed .sidebar-accordion__icon{
  transform:rotate(-90deg);
}
.panel--toolbar{
  padding:12px 14px;
}
.container-card{
  display:grid;
  gap:12px;
}
.container-card__titleblock{
  display:grid;
  gap:8px;
  min-width:0;
}
.container-collapse{
  display:inline-flex;
  align-items:center;
  gap:10px;
  padding:0;
  border:0;
  background:transparent;
  color:var(--app-text);
  font-size:17px;
  font-weight:800;
  cursor:pointer;
  text-align:left;
}
.container-collapse__icon{
  display:inline-flex;
  width:20px;
  justify-content:center;
  transition:transform .18s ease;
}
.container-card.is-collapsed .container-collapse__icon{
  transform:rotate(-90deg);
}
.container-card__inspector{
  display:grid;
  grid-template-columns:repeat(3, minmax(0, 1fr));
  gap:10px;
}
.inspector-metric{
  border:1px solid var(--app-border);
  border-radius:12px;
  background:color-mix(in srgb, var(--app-panel) 96%, transparent);
  padding:10px 12px;
  display:grid;
  gap:4px;
}
.inspector-metric strong{
  font-size:12px;
  letter-spacing:.01em;
}
.inspector-metric span{
  color:var(--app-muted);
  font-size:13px;
  line-height:1.4;
}
.container-card__body{
  display:grid;
  gap:12px;
  padding-top:2px;
}
.container-card.is-collapsed .container-card__body{
  display:none;
}
.inspector-grid{
  display:grid;
  gap:10px;
}
.inspector-grid--main{
  grid-template-columns:repeat(4, minmax(0, 1fr));
}
.inspector-grid--options{
  grid-template-columns:repeat(4, minmax(0, 1fr));
}
.field--span-2{
  grid-column:span 2;
}
.columns-matrix{
  display:grid;
  grid-template-columns:repeat(auto-fit, minmax(210px, 1fr));
  gap:10px;
}
.column-editor--matrix{
  gap:8px;
}
.column-editor--matrix .field{
  margin-bottom:8px;
}
@media (max-width: 1400px){
  .container-card__inspector,
  .inspector-grid--main,
  .inspector-grid--options{
    grid-template-columns:repeat(2, minmax(0, 1fr));
  }
}
@media (max-width: 860px){
  .container-card__inspector,
  .inspector-grid--main,
  .inspector-grid--options,
  .columns-matrix{
    grid-template-columns:1fr;
  }
  .field--span-2{
    grid-column:auto;
  }
}


html[data-theme="dark"] body{
  background:linear-gradient(180deg, #101112 0%, #151618 100%);
}
html[data-theme="dark"] pre{
  background:#141517;
  color:#eceff4;
}
html[data-theme="dark"] code{
  background:color-mix(in srgb, var(--app-panel-3) 92%, transparent);
}
html[data-theme="dark"] .hero,
html[data-theme="dark"] .workspace-bar--app,
html[data-theme="dark"] .panel,
html[data-theme="dark"] .sidebar-section,
html[data-theme="dark"] .summary-card,
html[data-theme="dark"] .container-card,
html[data-theme="dark"] .column-editor,
html[data-theme="dark"] .preview-card,
html[data-theme="dark"] .toggle,
html[data-theme="dark"] .preset-card,
html[data-theme="dark"] .inspector-metric{
  box-shadow:0 12px 24px rgba(0,0,0,.18);
}
html[data-theme="dark"] .btn-secondary{
  background:color-mix(in srgb, var(--app-panel-2) 94%, #2b2d31 6%);
}
html[data-theme="dark"] .meta-chip,
html[data-theme="dark"] .status-pill{
  background:color-mix(in srgb, var(--app-panel-3) 92%, transparent);
}


.drag-handle{
  display:inline-flex;
  align-items:center;
  justify-content:center;
  width:38px;
  min-width:38px;
  height:42px;
  border-radius:12px;
  border:1px solid var(--app-border);
  background:color-mix(in srgb, var(--app-panel-2) 96%, transparent);
  color:var(--app-muted);
  font-size:16px;
  line-height:1;
  cursor:grab;
  user-select:none;
}
.drag-handle:active{
  cursor:grabbing;
}
.container-card{
  position:relative;
  transition:border-color .12s ease, box-shadow .12s ease, transform .12s ease;
}
.container-card.is-dragging{
  opacity:.6;
  transform:scale(.995);
}
.container-card.is-drop-before::before,
.container-card.is-drop-after::after{
  content:'';
  position:absolute;
  left:10px;
  right:10px;
  height:2px;
  border-radius:999px;
  background:var(--app-accent);
  box-shadow:0 0 0 3px color-mix(in srgb, var(--app-accent) 18%, transparent);
}
.container-card.is-drop-before::before{
  top:-2px;
}
.container-card.is-drop-after::after{
  bottom:-2px;
}
.small-actions{
  flex-wrap:wrap;
}


.containers-workspace{
  display:grid;
  grid-template-columns:320px minmax(0, 1fr);
  gap:14px;
  align-items:start;
}
.panel--outline{
  position:sticky;
  top:68px;
  padding:14px;
}
.panel--containers{
  min-width:0;
}
.section-header--stack{
  gap:6px;
}
.container-outline{
  display:grid;
  gap:8px;
}
.outline-item{
  width:100%;
  display:grid;
  grid-template-columns:34px minmax(0,1fr) auto;
  gap:10px;
  align-items:center;
  padding:10px 12px;
  border-radius:12px;
  border:1px solid var(--app-border);
  background:color-mix(in srgb, var(--app-panel) 96%, transparent);
  color:var(--app-text);
  text-align:left;
  cursor:pointer;
}
.outline-item:hover{
  border-color:color-mix(in srgb, var(--app-accent) 38%, var(--app-border) 62%);
}
.outline-item.is-open{
  background:color-mix(in srgb, var(--app-accent-soft) 35%, var(--app-panel) 65%);
  border-color:color-mix(in srgb, var(--app-accent) 42%, var(--app-border) 58%);
}
.outline-item__index{
  display:inline-flex;
  align-items:center;
  justify-content:center;
  width:28px;
  height:28px;
  border-radius:999px;
  border:1px solid var(--app-border);
  background:color-mix(in srgb, var(--app-panel-3) 88%, transparent);
  font-size:12px;
  font-weight:800;
}
.outline-item__body{
  display:grid;
  gap:2px;
  min-width:0;
}
.outline-item__body strong{
  font-size:13px;
  line-height:1.25;
}
.outline-item__body span{
  font-size:12px;
  color:var(--app-muted);
  line-height:1.3;
}
.outline-item__state{
  font-size:11px;
  color:var(--app-muted);
  font-weight:700;
}
.empty-state--compact{
  padding:14px;
  font-size:13px;
}
.container-card.is-flash{
  box-shadow:0 0 0 2px color-mix(in srgb, var(--app-accent) 58%, transparent), 0 0 0 6px color-mix(in srgb, var(--app-accent) 16%, transparent);
}
@media (max-width: 1240px){
  .containers-workspace{
    grid-template-columns:1fr;
  }
  .panel--outline{
    position:static;
  }
}