.ds-shell{--ds-bg:#f6f7fa;--ds-panel:#ffffff;--ds-panel-2:#f3f5f8;--ds-line:rgba(12,18,34,0.08);--ds-text:#0c1222;--ds-muted:rgba(12,18,34,0.55);min-height:100vh;display:grid;grid-template-columns:260px 1fr;background:radial-gradient(900px 480px at 88% -8%,rgba(56,189,248,.14),transparent 55%),radial-gradient(700px 420px at 8% 0,rgba(52,211,153,.1),transparent 50%),var(--ds-bg);color:var(--ds-text);font-family:var(--pk-font-body)}.ds-sidebar{position:-webkit-sticky;position:sticky;top:0;height:100vh;border-right:1px solid var(--ds-line);background:rgba(255,255,255,.78);-webkit-backdrop-filter:blur(18px);backdrop-filter:blur(18px);display:flex;flex-direction:column;padding:28px 18px;gap:28px}.ds-brand{display:flex;align-items:center;gap:12px;padding:0 8px}.ds-brand-mark{width:36px;height:36px;border-radius:var(--pk-radius-icon);display:block;object-fit:contain;flex-shrink:0}.ds-brand strong{display:block;font-family:var(--pk-font-display);font-size:1.15rem;letter-spacing:-.02em;color:var(--ds-text)}.ds-brand span{display:block;font-size:.75rem;color:var(--ds-muted)}.ds-nav{display:flex;flex-direction:column;gap:4px;flex:1 1}.ds-nav-item{text-align:left;border:1px solid transparent;background:transparent;color:var(--ds-muted);border-radius:12px;padding:11px 14px;font-family:var(--pk-font-body);font-weight:var(--pk-weight-button);font-size:.95rem;cursor:pointer;transition:background var(--pk-motion-fast) var(--pk-ease),color var(--pk-motion-fast) var(--pk-ease),border-color var(--pk-motion-fast) var(--pk-ease)}.ds-nav-item:hover{color:var(--ds-text);background:rgba(12,18,34,.04)}.ds-nav-item.is-active{color:var(--ds-text);background:var(--pk-white);border-color:var(--ds-line);box-shadow:0 1px 3px rgba(12,18,34,.06)}.ds-sidebar-foot{display:flex;flex-direction:column;gap:10px;padding-top:12px;border-top:1px solid var(--ds-line)}.ds-ghost-btn,.ds-link-btn{display:inline-flex;align-items:center;justify-content:center;border-radius:var(--pk-radius-pill);padding:10px 14px;font-family:var(--pk-font-body);font-weight:600;font-size:.88rem;text-decoration:none;cursor:pointer;border:1px solid var(--ds-line);transition:transform var(--pk-motion-fast) var(--pk-ease),background var(--pk-motion-fast) var(--pk-ease)}.ds-link-btn{background:var(--pk-ink);color:var(--pk-white);border:none;box-shadow:var(--pk-shadow-cta)}.ds-ghost-btn{background:transparent;color:var(--ds-text)}.ds-ghost-btn:hover,.ds-link-btn:hover{transform:translateY(-1px)}.ds-hint{font-size:.72rem;line-height:1.5;color:var(--ds-muted);padding:0 4px}.ds-main{padding:32px 36px 56px;min-width:0}.ds-topbar{display:grid;grid-template-columns:1.2fr 1fr;grid-gap:28px;gap:28px;align-items:end;margin-bottom:28px}.ds-eyebrow{font-size:.72rem;letter-spacing:.14em;text-transform:uppercase;color:rgba(12,18,34,.42);margin-bottom:8px}.ds-topbar h1{font-family:var(--pk-font-display);font-weight:var(--pk-weight-display);font-size:clamp(1.8rem,3vw,2.75rem);letter-spacing:var(--pk-tracking-display);line-height:var(--pk-leading-display);color:var(--pk-ink)}.ds-topbar-note{color:var(--ds-muted);font-size:.95rem;line-height:1.65;max-width:42ch}.ds-topbar-note a{color:var(--pk-brand-blue)}.ds-workspace{display:grid;grid-template-columns:minmax(320px,1fr) minmax(340px,1.05fr);grid-gap:20px;gap:20px;align-items:start}.ds-panel{border:1px solid var(--ds-line);border-radius:22px;background:var(--ds-panel);box-shadow:var(--pk-shadow-card);overflow:hidden}.ds-panel--editor{padding:22px}.ds-panel--preview{position:-webkit-sticky;position:sticky;top:24px;padding:18px}.ds-panel-label{font-size:.7rem;letter-spacing:.12em;text-transform:uppercase;color:var(--ds-muted);margin-bottom:12px}.ds-editor-head{margin-bottom:20px}.ds-editor-head h2{font-family:var(--pk-font-display);font-size:1.35rem;font-weight:600;margin-bottom:6px;color:var(--pk-ink)}.ds-editor-head p{color:var(--ds-muted);font-size:.9rem;line-height:1.55}.ds-field-grid{display:grid;grid-gap:12px;gap:12px}.ds-field{display:grid;grid-gap:6px;gap:6px}.ds-field-label{font-size:.72rem;letter-spacing:.04em;text-transform:uppercase;color:var(--ds-muted)}.ds-field-control{display:flex;align-items:center;gap:8px}.ds-input{flex:1 1;min-width:0;border:1px solid var(--ds-line);background:var(--pk-canvas);color:var(--ds-text);border-radius:12px;padding:10px 12px;font-family:ui-monospace,SFMono-Regular,Menlo,monospace;font-size:.82rem}.ds-input:focus{outline:none;border-color:color-mix(in srgb,var(--pk-brand-blue) 45%,var(--ds-line));box-shadow:0 0 0 3px rgba(13,106,191,.12);background:var(--pk-white)}.ds-color-swatch{width:36px;height:36px;border:1px solid var(--ds-line);border-radius:10px;padding:0;background:transparent;cursor:pointer;flex-shrink:0}.ds-preview-stage{border-radius:18px;overflow:hidden;background:var(--pk-grad-hero-bg);padding:28px 24px;position:relative;border:1px solid var(--pk-border)}.ds-preview-stage:before{content:"";position:absolute;inset:0;background-image:linear-gradient(rgba(12,18,34,.03) 1px,transparent 0),linear-gradient(90deg,rgba(12,18,34,.03) 1px,transparent 0);background-size:48px 48px;pointer-events:none;-webkit-mask-image:linear-gradient(180deg,rgba(0,0,0,.45),transparent 70%);mask-image:linear-gradient(180deg,rgba(0,0,0,.45),transparent 70%)}.ds-preview-hero,.ds-preview-meta,.ds-preview-row{position:relative;z-index:1}.ds-preview-badge{display:inline-flex;align-items:center;gap:8px;background:var(--pk-white);border:1px solid var(--pk-border);border-radius:var(--pk-radius-pill);padding:6px 14px 6px 10px;font-size:.78rem;color:var(--pk-text-on-light);font-weight:500;margin-bottom:16px}.ds-preview-badge-dot{width:18px;height:18px;border-radius:50%;background:var(--pk-grad-brand-soft);display:grid;place-items:center;color:var(--pk-ink-soft)}.ds-preview-h1{font-family:var(--pk-font-display);font-weight:var(--pk-weight-display);font-size:clamp(1.75rem,3vw,2.5rem);letter-spacing:var(--pk-tracking-display);line-height:var(--pk-leading-display);color:var(--pk-text-on-light);margin-bottom:14px}.ds-preview-highlight{background:var(--pk-grad-highlight-text);-webkit-background-clip:text;background-clip:text;-webkit-text-fill-color:transparent}.ds-preview-sub{color:var(--pk-text-on-light-muted);font-size:.95rem;line-height:var(--pk-leading-body);max-width:36ch;margin-bottom:20px}.ds-preview-actions{display:flex;flex-wrap:wrap;gap:12px;margin-bottom:22px}.ds-btn{display:inline-flex;align-items:center;justify-content:center;gap:8px;border-radius:var(--pk-radius-pill);padding:10px 20px;font-family:var(--pk-font-body);font-weight:var(--pk-weight-button);font-size:var(--pk-size-button);letter-spacing:-.01em;text-decoration:none;transition:transform var(--pk-motion-fast) var(--pk-ease),box-shadow var(--pk-motion-fast) var(--pk-ease)}.ds-btn-primary{background:var(--pk-ink);color:var(--pk-white);box-shadow:var(--pk-shadow-cta)}.ds-btn-primary:hover{transform:translateY(-2px)}.ds-btn-ghost{color:var(--pk-text-on-light-muted)}.ds-preview-row{display:grid;grid-template-columns:1fr 1fr;grid-gap:var(--pk-space-card-gap);gap:var(--pk-space-card-gap);margin-bottom:18px}.ds-preview-card{background:var(--pk-surface);border:1px solid var(--pk-border);border-radius:var(--pk-radius-card);padding:18px;color:var(--pk-text-on-light);box-shadow:var(--pk-shadow-card)}.ds-preview-card--accent{background:linear-gradient(180deg,color-mix(in srgb,var(--pk-brand-sky) 12%,white),var(--pk-white) 60%);border-color:color-mix(in srgb,var(--pk-brand-teal) 28%,var(--pk-border))}.ds-preview-icon{width:40px;height:40px;border-radius:var(--pk-radius-icon);display:grid;place-items:center;margin-bottom:10px;background:var(--pk-grad-brand-soft);color:var(--pk-ink-soft)}.ds-preview-card h3{font-family:var(--pk-font-body);font-weight:600;font-size:1rem;margin-bottom:6px}.ds-preview-card p{color:var(--pk-text-on-light-muted);font-size:.85rem;line-height:1.55}.ds-preview-meta{display:grid;grid-template-columns:repeat(3,1fr);grid-gap:10px;gap:10px}.ds-preview-meta>div{background:var(--pk-white);border:1px solid var(--pk-border);border-radius:12px;padding:10px 12px}.ds-preview-meta-label{display:block;font-size:.65rem;letter-spacing:.08em;text-transform:uppercase;color:rgba(12,18,34,.45);margin-bottom:4px}.ds-preview-meta code{font-size:.72rem;color:var(--pk-ink-soft);word-break:break-all}.ds-foundations{margin-top:28px;border:1px solid var(--ds-line);border-radius:22px;background:var(--pk-white);padding:24px;box-shadow:var(--pk-shadow-card)}.ds-foundations h2{font-family:var(--pk-font-display);font-size:1.4rem;margin-bottom:6px;color:var(--pk-ink)}.ds-foundations-sub{color:var(--ds-muted);margin-bottom:20px;font-size:.92rem}.ds-prim-grid{display:grid;grid-template-columns:repeat(4,1fr);grid-gap:16px;gap:16px}.ds-prim{border:1px solid var(--ds-line);border-radius:16px;padding:16px;background:var(--pk-canvas);display:flex;flex-direction:column;gap:14px;min-height:120px}.ds-prim-label{font-size:.7rem;letter-spacing:.1em;text-transform:uppercase;color:var(--ds-muted)}.ds-swatch-grad{height:48px;border-radius:var(--pk-radius-control);background:var(--pk-grad-brand);box-shadow:var(--pk-shadow-cta)}@media (max-width:1100px){.ds-shell{grid-template-columns:1fr}.ds-sidebar{position:relative;height:auto;border-right:none;border-bottom:1px solid var(--ds-line)}.ds-nav{flex-direction:row;flex-wrap:wrap}.ds-preview-meta,.ds-preview-row,.ds-prim-grid,.ds-topbar,.ds-workspace{grid-template-columns:1fr}.ds-panel--preview{position:relative;top:0}}