/* styles.css — app chrome only. The preview area is styled entirely from DESIGN.md tokens. */
:root {
  --bg: #08090b;
  --panel: #08090b;
  --panel-2: #101114;
  --text: #e7e9ee;
  --muted: #9aa0ac;
  --border: #2a2e37;
  --accent: #c96442; /* terracotta nod */
  --ctrl-h: 36px; /* shared height for toolbar controls (dropdowns, toggle, buttons) */
  --radius: 12px;
  --font: ui-sans-serif, system-ui, -apple-system, "Segoe UI", Roboto, sans-serif;
  --mono: ui-monospace, "SF Mono", Menlo, Consolas, monospace;
}

* { box-sizing: border-box; }

/* The [hidden] attribute must win over layout display rules below. */
[hidden] { display: none !important; }

html, body { height: 100%; }

body {
  margin: 0;
  background: var(--bg);
  color: var(--text);
  font-family: var(--font);
  -webkit-font-smoothing: antialiased;
  display: flex;
  flex-direction: column;
}

/* Top bar */
.topbar {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
  padding: 14px 20px;
  border-bottom: 1px solid var(--border);
  background: color-mix(in srgb, var(--panel) 80%, transparent);
  position: sticky;
  top: 0;
  z-index: 10;
  backdrop-filter: blur(8px);
}
.brand { display: flex; align-items: center; gap: 10px; font-weight: 650; color: inherit; text-decoration: none; }
.brand-mark { color: var(--accent); font-size: 18px; }
.brand-name { letter-spacing: -0.01em; }
.topbar-actions { display: flex; align-items: center; gap: 14px; }
.link { color: var(--muted); text-decoration: none; font-size: 14px; }
.link:hover { color: var(--text); }
.link-btn {
  background: none; border: none; color: var(--accent); cursor: pointer;
  font: inherit; padding: 0;
}
.link-btn:hover { text-decoration: underline; }

.btn-secondary {
  display: inline-flex;
  align-items: center;
  background: var(--panel-2);
  color: var(--text);
  border: 1px solid var(--border);
  border-radius: 999px;
  height: var(--ctrl-h);
  padding: 0 16px;
  font: inherit;
  font-size: 14px;
  cursor: pointer;
  text-decoration: none;
  transition: border-color .15s, background .15s;
}
.btn-secondary:hover { border-color: color-mix(in srgb, var(--accent) 60%, var(--border)); }

#app { flex: 1; display: flex; flex-direction: column; min-height: 0; }

/* Intro / dropzone */
.intro {
  flex: 1;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  gap: 20px;
  padding: 40px 20px;
  text-align: center;
}
.dropzone {
  width: min(560px, 92vw);
  border: 2px dashed var(--border);
  border-radius: 20px;
  padding: 56px 32px;
  cursor: pointer;
  background: color-mix(in srgb, var(--panel) 60%, transparent);
  transition: border-color .15s, background .15s, transform .15s;
}
.dropzone:hover, .dropzone:focus-visible {
  border-color: var(--accent);
  outline: none;
}
.dropzone.is-drag {
  border-color: var(--accent);
  background: color-mix(in srgb, var(--accent) 12%, var(--panel));
  transform: scale(1.01);
}
.dropzone-icon { font-size: 34px; color: var(--accent); }
.dropzone-title { font-size: 20px; margin: 14px 0 4px; }
.dropzone-sub { color: var(--muted); margin: 0; font-size: 14px; }
.intro-hints { color: var(--muted); font-size: 14px; }
.error-msg {
  color: #ff9c8f;
  background: color-mix(in srgb, #ff5f4a 12%, transparent);
  border: 1px solid color-mix(in srgb, #ff5f4a 35%, transparent);
  padding: 10px 14px;
  border-radius: 10px;
  max-width: 560px;
  font-size: 14px;
}

/* Result view */
.result { flex: 1; display: flex; flex-direction: column; min-height: 0; }
.result-toolbar {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
  padding: 12px 20px;
  border-bottom: 1px solid var(--border);
  background: var(--panel);
}
.file-meta { display: flex; align-items: baseline; gap: 10px; min-width: 0; }
.design-name { font-weight: 650; letter-spacing: -0.01em; }
.file-name { color: var(--muted); font-size: 13px; font-family: var(--mono); }
.toolbar-controls { display: flex; align-items: center; gap: 12px; }

.theme-toggle {
  display: inline-flex;
  align-items: stretch;
  height: var(--ctrl-h);
  background: var(--panel-2);
  border: 1px solid var(--border);
  border-radius: 999px;
  padding: 3px;
}
.toggle-btn {
  display: inline-flex; align-items: center; justify-content: center;
  border: none; background: none; color: var(--muted);
  font: inherit; font-size: 13px; padding: 0 14px;
  border-radius: 999px; cursor: pointer;
}
.toggle-btn { transition: color .15s ease, background .18s ease; }
.toggle-btn.is-active { background: var(--accent); color: #fff; }
.toggle-btn:not(.is-active):hover { color: var(--text); }

/* Reusable dropdown (backdrop / layout / example / export) */
.dd { position: relative; }
.dd-trigger {
  display: inline-flex; align-items: center; gap: 8px;
  height: var(--ctrl-h);
  background: var(--panel-2); border: 1px solid var(--border); border-radius: 999px;
  padding: 0 12px 0 5px; color: var(--text); font: inherit; font-size: 13px; cursor: pointer;
  transition: border-color .15s;
}
.dd-trigger.dd-plain { padding: 0 14px; } /* no leading swatch */
.dd-trigger:hover { border-color: color-mix(in srgb, var(--accent) 55%, var(--border)); }
.dd-label { line-height: 1; white-space: nowrap; }
.dd-chev { color: var(--muted); font-size: 10px; }
.dd-swatch {
  width: 22px; height: 22px; border-radius: 6px; flex: none;
  background-color: var(--panel-2);
  box-shadow: inset 0 0 0 1px color-mix(in srgb, #fff 16%, transparent);
}
.dd-menu {
  position: absolute; top: calc(100% + 6px); right: 0; z-index: 30;
  background: var(--panel); border: 1px solid var(--border); border-radius: 12px;
  padding: 6px; min-width: 190px; display: grid; gap: 2px;
  box-shadow: 0 16px 44px rgba(0, 0, 0, .45);
  transform-origin: top right;
  animation: dd-pop .15s cubic-bezier(.16, 1, .3, 1);
}
@keyframes dd-pop { from { opacity: 0; transform: translateY(-6px) scale(.98); } to { opacity: 1; transform: none; } }
.dd-trigger { transition: border-color .15s ease, background .15s ease; }
.dd-chev { transition: transform .18s ease; }
.dd-trigger[aria-expanded="true"] .dd-chev { transform: rotate(180deg); }
@media (prefers-reduced-motion: reduce) { .dd-menu { animation: none; } .dd-chev { transition: none; } }
.dd-option {
  display: flex; align-items: center; gap: 10px; width: 100%;
  background: none; border: none; color: var(--text); font: inherit; font-size: 13px;
  padding: 6px 8px; border-radius: 8px; cursor: pointer; text-align: left;
}
.dd-option:hover, .dd-option:focus-visible { background: var(--panel-2); outline: none; }
.dd-option.is-active { background: color-mix(in srgb, var(--accent) 20%, transparent); }
.dd-option .dd-swatch { width: 30px; height: 26px; }
.dd-option-sub { color: var(--muted); font-size: 11px; }

.split { flex: 1; display: grid; grid-template-columns: minmax(0, 1fr) var(--token-w, 400px); min-height: 0; }
/* Canvas behind the preview is a near-black backdrop so the sample UI's own
   surface/shadow stands out regardless of which theme it's rendered in. */
.preview-pane {
  overflow: auto;
  padding: 24px;
  background: #08090b;
}
.preview-root {
  min-height: 100%;
  border-radius: 16px;
  overflow: hidden;
  box-shadow: 0 20px 60px rgba(0, 0, 0, .35);
  container-type: inline-size; /* multi-pane presets reflow to the pane width */
  display: flex;
  flex-direction: column;
}
/* The injected preset fills the pane height (min-height:100% alone can't resolve
   against a parent that only has a min-height), but still grows when taller. */
.preview-root > * { flex: 1 0 auto; }

.token-pane {
  position: relative;
  border-left: 1px solid var(--border);
  background: var(--panel);
  display: flex;
  flex-direction: column;
  min-height: 0;
}

/* Drag handle on the token panel's left edge (min width = the default width). */
.pane-resizer {
  position: absolute; left: 0; top: 0; bottom: 0; width: 9px; margin-left: -5px;
  z-index: 20; cursor: col-resize; touch-action: none;
}
.pane-resizer::after {
  content: ""; position: absolute; left: 4px; top: 0; bottom: 0; width: 2px;
  background: transparent; transition: background .12s;
}
.pane-resizer:hover::after, .pane-resizer.is-dragging::after { background: var(--accent); }
.token-tabs { display: flex; border-bottom: 1px solid var(--border); padding: 5px 8px; }
.tab-btn {
  background: none; border: none; color: var(--muted);
  font: inherit; font-size: 14px; padding: 12px 12px; cursor: pointer;
  border-bottom: 2px solid transparent; margin-bottom: -1px;
  transition: color .15s ease, border-color .15s ease;
}
.tab-btn:hover { color: var(--text); }
.tab-btn.is-active { color: var(--text); border-bottom-color: var(--accent); }
.token-panel, .prose-panel { overflow: auto; padding: 16px; }

/* Token inspector */
.tk-section { margin-bottom: 24px; }
.tk-heading {
  font-size: 12px; text-transform: uppercase; letter-spacing: .08em;
  color: var(--muted); margin: 0 0 12px; display: flex; align-items: center; gap: 8px;
}
.tk-count {
  background: var(--panel-2); border-radius: 999px; padding: 1px 8px;
  font-size: 11px; letter-spacing: 0;
}
.tk-name { font-family: var(--mono); font-size: 12px; color: var(--text); }
.tk-val { font-family: var(--mono); font-size: 11px; color: var(--muted); }

.tk-fontfamily {
  font-family: var(--mono); font-size: 12px; color: var(--text);
  background: var(--panel-2); border: 1px solid var(--border);
  border-radius: 8px; padding: 10px 12px; margin-bottom: 12px;
  word-break: break-word;
}

/* Contrast checker (realtimecolors-style AA/AAA readout for the resolved roles) */
.tk-contrast { display: flex; flex-direction: column; gap: 6px; }
.tk-con-row { display: flex; align-items: center; gap: 10px; }
.tk-con-chip {
  width: 30px; height: 26px; flex: none; border-radius: 6px;
  display: inline-flex; align-items: center; justify-content: center;
  font-size: 12px; font-weight: 600; border: 1px solid var(--border);
}
.tk-con-label { font-size: 12px; color: var(--text); flex: 1; min-width: 0; }
.tk-con-ratio { font-family: var(--mono); font-size: 11px; color: var(--muted); }
.tk-con-badges { display: inline-flex; gap: 4px; flex: none; }
.tk-con-badge {
  font-size: 10px; font-weight: 600; letter-spacing: .02em;
  padding: 2px 6px; border-radius: 5px; min-width: 30px; text-align: center;
}
.tk-con-badge.pass { background: color-mix(in srgb, #37c871 22%, transparent); color: #59e08b; }
.tk-con-badge.fail { background: var(--panel-2); color: var(--muted); }

.tk-swatches { display: grid; grid-template-columns: 1fr 1fr; gap: 8px; }
.tk-swatch { display: flex; align-items: center; gap: 8px; min-width: 0; }
.tk-chip { width: 26px; height: 26px; border-radius: 7px; flex: none; }
.tk-swatch-meta { display: flex; flex-direction: column; min-width: 0; }
.tk-swatch-meta code { overflow: hidden; text-overflow: ellipsis; white-space: nowrap; }

.tk-types { display: flex; flex-direction: column; gap: 12px; }
.tk-type-row { display: flex; align-items: center; justify-content: space-between; gap: 12px; }
.tk-type-meta { display: flex; flex-direction: column; min-width: 0; }
.tk-type-sub { color: var(--muted); font-size: 11px; }
.tk-type-sample { color: var(--text); line-height: 1; max-width: 40%; overflow: hidden; text-align: right; }

.tk-radii, .tk-spaces { display: flex; flex-direction: column; gap: 8px; }
.tk-radius, .tk-space { display: flex; align-items: center; gap: 10px; }
.tk-radius-box {
  width: 34px; height: 34px; flex: none;
  background: var(--panel-2); border: 1px solid var(--border);
}
.tk-space-bar { height: 12px; background: var(--accent); border-radius: 3px; flex: none; max-width: 180px; }

.tk-comps { display: flex; flex-direction: column; gap: 10px; }
.tk-comp { display: flex; align-items: center; gap: 10px; }
.tk-comp-preview {
  display: inline-flex; align-items: center; justify-content: center;
  min-width: 44px; min-height: 32px; padding: 6px 12px; font-size: 13px;
  border: 1px solid var(--border); white-space: nowrap; flex-shrink: 0;
}
.tk-comp .tk-name { white-space: nowrap; }
.tk-empty { color: var(--muted); font-size: 14px; }

/* Prose notes */
.prose-panel { line-height: 1.6; font-size: 14px; color: var(--text); }
.prose-panel h2 { font-size: 16px; margin: 20px 0 8px; }
.prose-panel h3 { font-size: 14px; margin: 16px 0 6px; color: var(--muted); }
.prose-panel h4 { font-size: 13px; margin: 12px 0 4px; }
.prose-panel p { margin: 0 0 10px; color: color-mix(in srgb, var(--text) 88%, transparent); }
.prose-panel ul { margin: 0 0 10px; padding-left: 18px; }
.prose-panel li { margin: 2px 0; }
.prose-panel code {
  font-family: var(--mono); font-size: 12px;
  background: var(--panel-2); padding: 1px 5px; border-radius: 5px;
}

/* =========================================================================
   Preview internals. Layout + structure here; colors/radii come from the
   --pv-* custom properties the renderer sets on #preview-root, and type comes
   from inline styles. So these classes theme themselves from any DESIGN.md.
   ========================================================================= */

/* Glass: harmless on opaque surfaces, but lets translucent ones blur the
   backdrop behind them so glassmorphic designs actually read. */
.pv-glass {
  -webkit-backdrop-filter: blur(16px) saturate(140%);
  backdrop-filter: blur(16px) saturate(140%);
}
/* Without backdrop-filter support, a 5–14% fill is nearly invisible — fall
   back to the opaque surface tone the renderer computes per design/theme. */
@supports not ((-webkit-backdrop-filter: blur(1px)) or (backdrop-filter: blur(1px))) {
  .pv-glass { background: var(--pv-surface-solid, rgba(127, 127, 127, 0.16)) !important; }
}

/* Shared primitives */
.pv-page { display: flex; flex-direction: column; min-height: 100%; }
.pv-dim { color: var(--pv-muted); }
.pv-card { background: var(--pv-surface); border: 1px solid var(--pv-border); border-radius: var(--pv-r-lg); color: var(--pv-text); }
.pv-brand { display: flex; align-items: center; gap: 10px; font-weight: 700; }
.pv-brand-mark { width: 22px; height: 22px; flex: none; border-radius: var(--pv-r-md); background: var(--pv-accent); }
.pv-ic { width: 16px; height: 16px; flex: none; }
.pv-ic-lg { width: 22px; height: 22px; flex: none; }
.pv-ic-accent { color: var(--pv-accent); }
.pv-eyebrow { text-transform: uppercase; letter-spacing: .12em; font-weight: 600; margin: 0 0 6px; }
.pv-link { color: var(--pv-accent); cursor: pointer; }
.pv-avatar {
  width: 30px; height: 30px; flex: none; border-radius: var(--pv-r-pill);
  background: var(--pv-accent-soft); color: var(--pv-accent); font-weight: 700; font-size: 11px;
  display: inline-flex; align-items: center; justify-content: center;
}
.pv-pill { display: inline-flex; align-items: center; gap: 6px; padding: 3px 11px; border-radius: var(--pv-r-pill); white-space: nowrap; }
.pv-pill-soft { background: var(--pv-accent-soft); color: var(--pv-accent); }
.pv-dot { width: 8px; height: 8px; flex: none; border-radius: var(--pv-r-pill); background: var(--pv-accent); }

.pv-btn {
  display: inline-flex; align-items: center; justify-content: center; gap: 8px;
  border: none; cursor: pointer; font: inherit; font-weight: 600; white-space: nowrap;
  transition: filter .14s ease, background .14s ease, transform .14s ease, box-shadow .14s ease;
}
.pv-btn:hover { filter: brightness(1.06); transform: translateY(-1px); box-shadow: 0 6px 18px color-mix(in srgb, var(--pv-accent) 26%, transparent); }
.pv-btn:active { transform: translateY(0); box-shadow: none; filter: brightness(.98); }
.pv-btn-ghost { box-shadow: none; }
.pv-btn-ghost:hover { filter: none; background: var(--pv-surface); box-shadow: none; transform: translateY(-1px); }
.pv-btn-block { width: 100%; }

.pv-input {
  width: 100%; height: 40px; padding: 0 14px; font: inherit; outline: none;
  background: var(--pv-surface); color: var(--pv-text);
  border: 1px solid var(--pv-border); border-radius: var(--pv-r-btn);
}
.pv-input:focus { border-color: var(--pv-accent); box-shadow: 0 0 0 3px var(--pv-accent-soft); }
.pv-iconbtn {
  width: 38px; height: 38px; flex: none; display: inline-flex; align-items: center; justify-content: center;
  border: 1px solid var(--pv-border); border-radius: var(--pv-r-btn);
  background: var(--pv-surface); color: var(--pv-muted); cursor: pointer;
}
.pv-iconbtn:hover { color: var(--pv-text); }
.pv-search {
  display: flex; align-items: center; gap: 8px; height: 38px; padding: 0 12px; flex: none;
  background: var(--pv-surface); border: 1px solid var(--pv-border); border-radius: var(--pv-r-btn);
}
/* In the dashboard topbar (a flex row) the search grows horizontally; in the
   app-shell list (a flex column) it must stay a fixed-height input, not stretch. */
.pv-topbar .pv-search { flex: 1; max-width: 300px; }
.pv-ic-wrap { color: var(--pv-muted); display: inline-flex; }

/* Sidebar nav (dashboard / app / settings) */
.pv-nav-col { display: flex; flex-direction: column; gap: 3px; }
.pv-navitem {
  display: flex; align-items: center; gap: 10px; width: 100%; padding: 8px 10px;
  border: none; background: none; color: var(--pv-muted); font: inherit; text-align: left;
  border-radius: var(--pv-r-sm); cursor: pointer; transition: background .12s, color .12s;
}
.pv-navitem:hover { background: var(--pv-surface); color: var(--pv-text); }
.pv-navitem.pv-active { background: var(--pv-accent-soft); color: var(--pv-text); }
.pv-navitem.pv-active .pv-ic { color: var(--pv-accent); }
.pv-navitem-label { flex: 1; }
.pv-navcount { color: var(--pv-muted); background: var(--pv-surface); border-radius: var(--pv-r-pill); padding: 1px 8px; }
.pv-navdot { width: 8px; height: 8px; flex: none; border-radius: var(--pv-r-pill); background: var(--pv-border); }

/* App shells (dashboard / app / settings) */
/* First (and, for the mail shell, second) columns are drag-resizable; the CSS
   fallback is the minimum width, and --pv-side-w / --pv-list-w only ever grow it. */
.pv-app { display: grid; grid-template-columns: var(--pv-side-w, 210px) minmax(0, 1fr); min-height: 100%; }
.pv-app-3 { grid-template-columns: var(--pv-side-w, 190px) var(--pv-list-w, 300px) minmax(0, 1fr); }
.pv-app-settings { grid-template-columns: var(--pv-side-w, 210px) minmax(0, 1fr); }
.pv-side { position: relative; padding: 18px 14px; display: flex; flex-direction: column; gap: 6px; border-right: 1px solid var(--pv-border); }
/* Drag handle sitting on a column's right edge */
.pv-resizer {
  position: absolute; top: 0; bottom: 0; right: -4px; width: 9px; z-index: 9;
  cursor: col-resize; touch-action: none;
}
.pv-resizer::after {
  content: ""; position: absolute; right: 4px; top: 0; bottom: 0; width: 2px;
  background: transparent; transition: background .12s;
}
.pv-resizer:hover::after, .pv-resizer.is-dragging::after { background: var(--pv-accent); }
.pv-side .pv-brand { margin: 0 6px 12px; }
.pv-side .pv-btn { margin-bottom: 8px; }
.pv-side-foot { margin-top: auto; padding-top: 12px; border-top: 1px solid var(--pv-border); display: flex; flex-direction: column; gap: 6px; }
.pv-userchip { display: flex; align-items: center; gap: 8px; padding: 4px 6px; }

.pv-main { padding: 20px 24px; display: flex; flex-direction: column; min-width: 0; }
.pv-topbar { display: flex; align-items: center; justify-content: space-between; gap: 14px; margin-bottom: 18px; }
.pv-topbar-actions { display: flex; align-items: center; gap: 10px; }
.pv-view-head { display: flex; align-items: baseline; justify-content: space-between; gap: 12px; margin-bottom: 14px; }
.pv-stats { display: grid; grid-template-columns: repeat(4, 1fr); gap: 12px; }
.pv-stat { padding: 15px 16px; display: flex; flex-direction: column; gap: 5px; }
.pv-delta { color: var(--pv-accent); display: inline-flex; align-items: center; gap: 4px; }
.pv-panel { padding: 18px 20px; margin-top: 16px; }
.pv-panel-head { display: flex; align-items: center; justify-content: space-between; gap: 12px; margin-bottom: 14px; }
.pv-seg { display: inline-flex; gap: 2px; padding: 2px; background: var(--pv-surface); border: 1px solid var(--pv-border); border-radius: var(--pv-r-pill); }
.pv-seg span { padding: 4px 12px; border-radius: var(--pv-r-pill); color: var(--pv-muted); }
.pv-seg .pv-active { background: var(--pv-accent); color: var(--pv-on-accent); }
.pv-chart { display: flex; align-items: flex-end; gap: 8px; height: 130px; }
.pv-chart-tall { height: 210px; }
.pv-bar { flex: 1; min-width: 6px; background: var(--pv-accent); border-radius: var(--pv-r-sm) var(--pv-r-sm) 0 0; opacity: .82; }
.pv-bar:hover { opacity: 1; }
.pv-table { display: flex; flex-direction: column; }
.pv-trow { display: grid; grid-template-columns: 1fr 68px 92px 66px; align-items: center; gap: 10px; padding: 11px 0; border-top: 1px solid var(--pv-border); }
.pv-tcell-name { display: flex; align-items: center; gap: 8px; min-width: 0; overflow: hidden; text-overflow: ellipsis; white-space: nowrap; }
.pv-tcell-name .pv-avatar { width: 24px; height: 24px; font-size: 10px; }

/* App shell (mail) */
.pv-list { position: relative; padding: 12px; display: flex; flex-direction: column; gap: 8px; min-width: 0; overflow: hidden; border-right: 1px solid var(--pv-border); }
.pv-rows { display: flex; flex-direction: column; gap: 8px; min-width: 0; }
.pv-row {
  display: flex; gap: 10px; width: 100%; padding: 11px 12px; text-align: left; font: inherit; cursor: pointer;
  color: var(--pv-text); background: transparent; border: 1px solid var(--pv-border); border-radius: var(--pv-r-md);
  transition: background .12s, border-color .12s;
}
.pv-row.pv-unread { background: var(--pv-surface); }
.pv-row:hover { background: var(--pv-surface); }
.pv-row.pv-active { background: var(--pv-accent-soft); border-color: var(--pv-accent); }
.pv-row-avatar { flex: none; }
.pv-row-main { flex: 1; min-width: 0; display: flex; flex-direction: column; gap: 3px; }
.pv-row-top { display: flex; align-items: center; gap: 8px; }
.pv-row-time { margin-left: auto; flex: none; }
.pv-row-subj, .pv-row-prev { overflow: hidden; text-overflow: ellipsis; white-space: nowrap; }
.pv-tag { align-self: flex-start; margin-top: 2px; padding: 1px 8px; border-radius: var(--pv-r-sm); background: var(--pv-surface); border: 1px solid var(--pv-border); color: var(--pv-muted); }
.pv-read { padding: 20px 24px; display: flex; flex-direction: column; min-width: 0; }
.pv-read-tools { display: flex; gap: 8px; justify-content: flex-end; margin-bottom: 12px; }
.pv-read-from { display: flex; align-items: center; gap: 10px; margin: 6px 0 14px; }
.pv-read-body { padding: 18px 20px; line-height: 1.6; }
.pv-reply { margin-top: 14px; padding: 10px; display: flex; gap: 8px; align-items: center; }

/* Marketing */
.pv-nav { display: flex; align-items: center; justify-content: space-between; gap: 16px; margin: 14px 14px 0; padding: 10px 10px 10px 18px; border: 1px solid var(--pv-border); border-radius: var(--pv-r-lg); background: var(--pv-surface); }
.pv-nav-links { display: flex; align-items: center; gap: 20px; }
.pv-nav-cta { display: flex; align-items: center; gap: 10px; }

/* Hamburger toggle + stacked mobile menu — swapped in for .pv-nav-links/.pv-nav-cta
   once the container gets too narrow for the inline nav (see container queries below). */
.pv-nav-toggle {
  display: none; flex: none;
  flex-direction: column; justify-content: center; align-items: center; gap: 4px;
  width: 34px; height: 30px; padding: 0;
  background: none; border: 1px solid var(--pv-border); border-radius: var(--pv-r-sm);
  cursor: pointer; transition: border-color .15s ease;
}
.pv-nav-toggle:hover { border-color: color-mix(in srgb, var(--pv-accent) 55%, var(--pv-border)); }
.pv-nav-toggle span { display: block; width: 16px; height: 2px; border-radius: 2px; background: var(--pv-text); transition: transform .18s ease, opacity .18s ease; }
.pv-nav-toggle.is-open span:nth-child(1) { transform: translateY(6px) rotate(45deg); }
.pv-nav-toggle.is-open span:nth-child(2) { opacity: 0; }
.pv-nav-toggle.is-open span:nth-child(3) { transform: translateY(-6px) rotate(-45deg); }
.pv-nav-mobile {
  display: none; flex-direction: column; gap: 14px;
  padding: 16px 20px 20px; background: var(--pv-surface); border-bottom: 1px solid var(--pv-border);
}
.pv-nav-mobile.is-open { display: flex; }
.pv-nav-links-mobile { display: flex; flex-direction: column; gap: 12px; }
.pv-nav-cta-mobile { display: flex; flex-direction: column; gap: 10px; }
.pv-nav-cta-mobile .pv-btn { width: 100%; }
@media (prefers-reduced-motion: reduce) {
  .pv-nav-toggle span { transition: none; }
}
.pv-hero { padding: 52px 32px 28px; display: flex; flex-direction: column; align-items: center; text-align: center; gap: 18px; }
.pv-cta-row { display: flex; gap: 12px; flex-wrap: wrap; justify-content: center; }
.pv-logos { display: flex; flex-wrap: wrap; gap: 22px 40px; justify-content: center; padding: 6px 32px; opacity: .6; }
.pv-logo { font-weight: 700; letter-spacing: .02em; }
.pv-section { padding: 30px 32px; }
.pv-features { display: grid; grid-template-columns: repeat(auto-fit, minmax(190px, 1fr)); gap: 14px; margin-top: 16px; }
.pv-feature { padding: 20px; display: flex; flex-direction: column; gap: 10px; align-items: flex-start; }
.pv-feature-ic { width: 42px; height: 42px; display: inline-flex; align-items: center; justify-content: center; border-radius: var(--pv-r-md); background: var(--pv-accent-soft); color: var(--pv-accent); }
.pv-band { display: flex; flex-wrap: wrap; justify-content: space-around; gap: 20px; margin: 0 32px; padding: 24px; background: var(--pv-surface); border: 1px solid var(--pv-border); border-radius: var(--pv-r-lg); }
.pv-stat-inline { display: flex; flex-direction: column; align-items: center; gap: 2px; }
.pv-tiers { display: grid; grid-template-columns: repeat(auto-fit, minmax(178px, 1fr)); gap: 14px; }
.pv-tier { position: relative; padding: 22px; display: flex; flex-direction: column; gap: 12px; }
.pv-tier-hot { border-color: var(--pv-accent); }
.pv-badge { position: absolute; top: 16px; right: 16px; padding: 2px 10px; border-radius: var(--pv-r-pill); background: var(--pv-accent); color: var(--pv-on-accent); }
.pv-price { display: flex; align-items: baseline; gap: 4px; }
.pv-tier-list { list-style: none; margin: 0; padding: 0; display: flex; flex-direction: column; gap: 8px; flex: 1; }
.pv-tier-list li { display: flex; align-items: center; gap: 8px; }
.pv-quote { margin: 0 32px 24px; padding: 28px; }
.pv-quote-by { display: flex; align-items: center; gap: 12px; }
.pv-footer-lg { display: flex; flex-wrap: wrap; gap: 24px 48px; padding: 28px 32px; border-top: 1px solid var(--pv-border); }
.pv-foot-col { display: flex; flex-direction: column; gap: 8px; min-width: 110px; }

/* Showcase (live-palette / editorial landing) */
.pv-topnav { display: flex; align-items: center; justify-content: space-between; gap: 16px; padding: 16px 32px; border-bottom: 1px solid var(--pv-border); }
.pv-showcase-hero { display: grid; grid-template-columns: 1.05fr 1fr; gap: 32px; align-items: center; padding: 44px 32px 32px; }
.pv-showcase-copy { display: flex; flex-direction: column; align-items: flex-start; gap: 16px; }
.pv-cta-start { justify-content: flex-start; }
.pv-hl { background: var(--pv-accent-soft); color: var(--pv-accent); border-radius: 8px; padding: 0 .12em; box-decoration-break: clone; -webkit-box-decoration-break: clone; }
.pv-showcase-logos { display: flex; flex-wrap: wrap; gap: 10px 22px; opacity: .55; margin-top: 4px; }
.pv-blocks { display: grid; grid-template-columns: 1.5fr 1fr; grid-auto-rows: 96px; gap: 12px; }
.pv-block { border-radius: var(--pv-r-lg); padding: 16px; display: flex; flex-direction: column; justify-content: space-between; overflow: hidden; }
.pv-block-tag { align-self: flex-start; }
.pv-block-accent { grid-row: span 2; background: var(--pv-accent); color: var(--pv-on-accent); justify-content: center; align-items: flex-start; gap: 8px; }
.pv-block-glyph { line-height: .9; }
.pv-block-surface { background: var(--pv-surface); border: 1px solid var(--pv-border); gap: 7px; }
.pv-block-bar { width: 44%; height: 8px; border-radius: 999px; background: var(--pv-accent); }
.pv-block-line { width: 82%; height: 7px; border-radius: 999px; background: var(--pv-border); }
.pv-block-line.pv-block-short { width: 55%; }
.pv-block-soft { background: var(--pv-accent-soft); color: var(--pv-accent); justify-content: space-between; }
.pv-palette-strip { display: flex; flex-wrap: wrap; gap: 10px 22px; padding: 4px 32px 8px; }
.pv-role { display: flex; align-items: center; gap: 8px; }
.pv-role-swatch { width: 22px; height: 22px; flex: none; border-radius: 6px; border: 1px solid var(--pv-border); }
.pv-split { display: grid; grid-template-columns: 1fr 1fr; gap: 28px; align-items: center; }
.pv-split-copy { display: flex; flex-direction: column; align-items: flex-start; }
.pv-split-visual { padding: 26px; display: flex; flex-direction: column; align-items: flex-start; }
.pv-cta-banner { margin: 6px 32px 26px; padding: 28px 30px; border-radius: var(--pv-r-lg); background: var(--pv-accent); color: var(--pv-on-accent); display: flex; align-items: center; justify-content: space-between; gap: 20px; flex-wrap: wrap; transition: box-shadow .25s ease; }
.pv-cta-banner:hover { box-shadow: 0 18px 44px color-mix(in srgb, var(--pv-accent) 40%, transparent); }
.pv-cta-banner-copy { min-width: 0; }

/* ---- Preview motion: hover states + a soft entry, all reduced-motion aware ---- */
/* Content cards and hero blocks lift toward the reader on hover. */
.pv-feature, .pv-tier, .pv-split-visual, .pv-stat, .pv-block {
  transition: transform .2s ease, box-shadow .2s ease, border-color .2s ease;
}
.pv-feature:hover, .pv-tier:hover, .pv-split-visual:hover, .pv-stat:hover {
  transform: translateY(-4px);
  box-shadow: 0 16px 40px color-mix(in srgb, var(--pv-text) 12%, transparent);
  border-color: color-mix(in srgb, var(--pv-accent) 40%, var(--pv-border));
}
.pv-block { cursor: default; }
.pv-block:hover { transform: translateY(-4px) scale(1.012); box-shadow: 0 16px 40px color-mix(in srgb, var(--pv-text) 16%, transparent); }
.pv-feature-ic { transition: transform .2s ease; }
.pv-feature:hover .pv-feature-ic { transform: scale(1.08) rotate(-4deg); }

/* Role strip: swatches pop on hover. */
.pv-role-swatch { transition: transform .18s ease, box-shadow .18s ease; }
.pv-role:hover .pv-role-swatch { transform: translateY(-2px) scale(1.08); box-shadow: 0 6px 14px color-mix(in srgb, var(--pv-text) 18%, transparent); }

/* Nav links: an accent underline wipes in from the left. */
.pv-nav-links span { position: relative; cursor: pointer; transition: color .15s ease; }
.pv-nav-links span::after {
  content: ""; position: absolute; left: 0; right: 0; bottom: -4px; height: 2px;
  background: var(--pv-accent); border-radius: 2px; transform: scaleX(0); transform-origin: left;
  transition: transform .22s cubic-bezier(.16,1,.3,1);
}
.pv-nav-links span:hover { color: var(--pv-text); }
.pv-nav-links span:hover::after { transform: scaleX(1); }

/* Feature/tier icon and pill get a gentle emphasis; pills breathe on hover. */
.pv-pill { transition: transform .18s ease; }
.pv-showcase-copy .pv-pill:hover, .pv-hero .pv-pill:hover { transform: translateY(-1px); }

/* Soft entry: the rendered preset fades and rises in on every (re)render. */
@keyframes pv-rise { from { opacity: 0; transform: translateY(10px); } to { opacity: 1; transform: none; } }
.preview-root > * { animation: pv-rise .34s cubic-bezier(.16, 1, .3, 1) both; }

@media (prefers-reduced-motion: reduce) {
  .preview-root > * { animation: none !important; }
  .pv-btn, .pv-feature, .pv-tier, .pv-split-visual, .pv-stat, .pv-block,
  .pv-feature-ic, .pv-role-swatch, .pv-pill, .pv-nav-links span, .pv-nav-links span::after,
  .pv-cta-banner { transition: none !important; }
  .pv-btn:hover, .pv-feature:hover, .pv-tier:hover, .pv-split-visual:hover, .pv-stat:hover,
  .pv-block:hover, .pv-feature:hover .pv-feature-ic, .pv-role:hover .pv-role-swatch,
  .pv-showcase-copy .pv-pill:hover, .pv-hero .pv-pill:hover {
    transform: none !important; box-shadow: none !important;
  }
}

/* Settings + forms */
.pv-settings-main { padding: 26px 30px; min-width: 0; overflow: auto; }
.pv-settings-panel { max-width: 560px; }
.pv-form-card { padding: 22px; display: flex; flex-direction: column; gap: 16px; }
.pv-form-row { display: grid; grid-template-columns: 1fr 1fr; gap: 12px; }
.pv-field { display: flex; flex-direction: column; gap: 6px; }
.pv-field-label { color: var(--pv-muted); }
.pv-select { display: flex; align-items: center; justify-content: space-between; height: 40px; padding: 0 14px; background: var(--pv-surface); border: 1px solid var(--pv-border); border-radius: var(--pv-r-sm); }
.pv-caret { color: var(--pv-muted); }
.pv-form-actions { display: flex; gap: 10px; justify-content: flex-end; margin-top: 4px; }
.pv-toggle-row { display: flex; align-items: center; justify-content: space-between; gap: 12px; padding: 5px 0; }
.pv-switch { position: relative; width: 40px; height: 23px; flex: none; border-radius: var(--pv-r-pill); background: var(--pv-border); cursor: pointer; transition: background .15s; }
.pv-switch.pv-on { background: var(--pv-accent); }
.pv-switch-knob { position: absolute; top: 2px; left: 2px; width: 19px; height: 19px; border-radius: var(--pv-r-pill); background: #fff; transition: left .15s; }
.pv-switch.pv-on .pv-switch-knob { left: 19px; }
.pv-swatch-row { display: flex; gap: 8px; }
.pv-color-dot { width: 26px; height: 26px; flex: none; border-radius: var(--pv-r-pill); background: var(--pv-accent); opacity: .45; cursor: pointer; }
.pv-color-dot.pv-active { opacity: 1; box-shadow: 0 0 0 3px var(--pv-accent-soft); }
.pv-check { display: flex; align-items: center; gap: 8px; cursor: pointer; }
.pv-checkbox { width: 18px; height: 18px; flex: none; display: inline-flex; align-items: center; justify-content: center; border: 1px solid var(--pv-border); border-radius: 5px; color: transparent; }
.pv-checkbox.pv-on { background: var(--pv-accent); border-color: var(--pv-accent); color: var(--pv-on-accent); }
.pv-checkbox .pv-ic { width: 12px; height: 12px; }

/* Sign-in */
.pv-auth { min-height: 100%; display: flex; align-items: center; justify-content: center; padding: 40px 20px; }
.pv-auth-card { width: min(400px, 100%); padding: 30px; display: flex; flex-direction: column; gap: 12px; }
.pv-auth-brand { justify-content: center; margin-bottom: 6px; }
.pv-auth-row { display: flex; align-items: center; justify-content: space-between; margin: 2px 0 6px; }
.pv-divider { display: flex; align-items: center; gap: 12px; color: var(--pv-muted); margin: 4px 0; }
.pv-divider::before, .pv-divider::after { content: ""; flex: 1; height: 1px; background: var(--pv-border); }
.pv-auth-foot { text-align: center; margin: 6px 0 0; }

/* Article */
.pv-article-wrap { display: grid; grid-template-columns: var(--pv-toc-w, 170px) minmax(0, 1fr); gap: 28px; max-width: 900px; margin: 0 auto; padding: 34px 32px; }
.pv-toc { position: sticky; top: 20px; align-self: start; display: flex; flex-direction: column; gap: 8px; }
.pv-toc-nav .pv-navitem { padding: 6px 10px; }
.pv-article { min-width: 0; }
.pv-lead { margin: 0 0 16px; }
.pv-article p { margin: 0 0 14px; }
.pv-code { font-family: var(--mono); font-size: .9em; padding: 1px 6px; border-radius: 6px; background: var(--pv-surface); border: 1px solid var(--pv-border); }
.pv-quote-block { margin: 16px 0; padding: 6px 0 6px 16px; border-left: 3px solid var(--pv-accent); color: var(--pv-text); }
.pv-article-list { list-style: none; margin: 0 0 14px; padding: 0; display: flex; flex-direction: column; gap: 8px; }
.pv-article-list li { display: flex; align-items: center; gap: 8px; }
.pv-pre { margin: 0 0 14px; padding: 16px 18px; overflow-x: auto; background: var(--pv-surface); border: 1px solid var(--pv-border); border-radius: var(--pv-r-md); }
.pv-pre code { font-family: var(--mono); white-space: pre; color: var(--pv-text); }

/* Reflow presets to the preview pane's width */
@container (max-width: 900px) {
  .pv-app, .pv-app-settings { grid-template-columns: 170px minmax(0, 1fr); }
  .pv-app-3 { grid-template-columns: 165px minmax(0, 230px) minmax(0, 1fr); }
  .pv-stats { grid-template-columns: repeat(2, 1fr); }
  .pv-resizer { display: none; } /* fixed columns below this width — no resizing */
}
@container (max-width: 660px) {
  .pv-app-3 { grid-template-columns: 155px minmax(0, 1fr); }
  .pv-app-3 .pv-list { display: none; }
  .pv-article-wrap { grid-template-columns: 1fr; }
  .pv-toc { display: none; }
  .pv-form-row { grid-template-columns: 1fr; }
  .pv-nav-links, .pv-nav-cta { display: none; }
  .pv-nav-toggle { display: flex; }
  .pv-brand { min-width: 0; overflow: hidden; text-overflow: ellipsis; white-space: nowrap; }
  .pv-showcase-hero, .pv-split { grid-template-columns: 1fr; }
}
@container (max-width: 470px) {
  .pv-app, .pv-app-settings, .pv-app-3 { grid-template-columns: 1fr; }
  .pv-side { display: none; }
  .pv-stats { grid-template-columns: 1fr 1fr; }
}

/* Token inspector: shadows + motion */
.tk-shadows { display: grid; grid-template-columns: 1fr 1fr; gap: 14px 10px; }
.tk-shadow { display: flex; align-items: center; gap: 10px; min-width: 0; }
.tk-shadow-box { width: 34px; height: 34px; border-radius: 8px; flex: none; background: var(--panel-2); }
.tk-motions { display: flex; flex-direction: column; gap: 10px; }
.tk-motion { display: grid; grid-template-columns: 1fr 90px; align-items: center; gap: 12px; }
.tk-motion-meta { display: flex; flex-direction: column; min-width: 0; }
.tk-motion-track { position: relative; height: 14px; background: var(--panel-2); border-radius: 999px; }
.tk-motion-dot { position: absolute; top: 2px; left: 2px; width: 10px; height: 10px; border-radius: 999px; background: var(--accent); transform: translateX(0); }
.tk-motion:hover .tk-motion-dot { transform: translateX(76px); }
.tk-hint { color: var(--muted); font-size: 12px; margin: 10px 0 0; }

/* Token panel export control */
.token-tabs { align-items: center; }
.token-export { margin-left: auto; }
.token-export .dd-trigger { font-size: 12px; padding: 5px 11px; }
.token-export .dd-menu { min-width: 170px; }

/* Collapse the token/notes panel — only meaningful when it's stacked under the
   preview on narrow screens, so it's hidden on the side-by-side desktop layout.
   Styled as a `.dd-trigger` (like Export) so the two controls match. */
.panel-toggle { display: none; margin-left: 8px; }

/* Toolbar can wrap when crowded */
.toolbar-controls { flex-wrap: wrap; justify-content: flex-end; }

/* Toast */
.toast {
  position: fixed; left: 50%; bottom: 24px; transform: translate(-50%, 10px);
  background: var(--panel-2); color: var(--text); border: 1px solid var(--border);
  border-radius: 999px; padding: 10px 18px; font-size: 14px; z-index: 50;
  box-shadow: 0 12px 32px rgba(0, 0, 0, .45); opacity: 0;
  transition: opacity .2s, transform .2s;
}
.toast.show { opacity: 1; transform: translate(-50%, 0); }

@media (min-width: 720px) {
  .pv-nav-links > span { display: inline; }
}

/* Responsive: stack panel under preview */
@media (max-width: 900px) {
  .split { grid-template-columns: minmax(0, 1fr); grid-template-rows: minmax(0, 1fr) auto; }
  .token-pane { border-left: none; border-top: 1px solid var(--border); max-height: 45vh; }
  .pane-resizer { display: none; } /* panel is stacked below — nothing to resize horizontally */

  /* Let the panel collapse to just its tab bar so the preview fills the screen. */
  .panel-toggle { display: inline-flex; }
  .is-panel-collapsed .token-pane { max-height: none; }
  .is-panel-collapsed .token-panel,
  .is-panel-collapsed .prose-panel { display: none; }
}

/* Vertical smartphone: keep the chrome on one row, stack the toolbar, tighten padding */
@media (max-width: 560px) {
  html, body { overflow-x: hidden; } /* safety net against any stray horizontal scroll */

  .topbar { padding: 10px 14px; gap: 10px; }
  .brand-name { font-size: 15px; }
  .topbar-actions { gap: 8px; }
  .topbar-actions .link { display: none; } /* About is secondary; still reachable from the footer link on the about page itself */
  .brand-mark { font-size: 16px; }

  .result-toolbar { flex-direction: column; align-items: stretch; gap: 8px; padding: 10px 14px; }
  .file-meta { gap: 8px; }
  .file-name { overflow: hidden; text-overflow: ellipsis; white-space: nowrap; }

  /* Row 2: dropdowns + theme toggle + New file, shrunk to sit on one row. */
  .toolbar-controls { flex-wrap: nowrap; justify-content: flex-start; gap: 5px; }
  .toolbar-controls .dd-trigger { height: 32px; padding: 0 7px 0 4px; gap: 4px; font-size: 12px; }
  .toolbar-controls .dd-trigger.dd-plain { padding: 0 8px; }
  .toolbar-controls .dd-swatch { width: 16px; height: 16px; }
  .toolbar-controls .theme-toggle { height: 32px; padding: 2px; }
  .toolbar-controls .toggle-btn { padding: 0 8px; font-size: 12px; }
  .toolbar-controls .btn-secondary { height: 32px; padding: 0 10px; font-size: 12px; }

  .preview-pane { padding: 12px; }
  .token-pane { max-height: 52vh; }
  .token-panel, .prose-panel { padding: 14px; }

  .dropzone { padding: 40px 22px; }
  .dropzone-title { font-size: 18px; }

  /* Dropdown menus stay inside the viewport when their trigger sits near an edge. */
  .dd-menu { max-width: calc(100vw - 28px); }
}

/* Very narrow: let the token color grid go single-column so pairs don't crush */
@media (max-width: 380px) {
  .tk-swatches { grid-template-columns: 1fr; }
  .tk-shadows { grid-template-columns: 1fr; }

  .brand-suffix { display: none; } /* "DESIGN.md" alone — full name returns above this width */

  /* Toolbar controls need another pass of shrinking to all fit on one row. */
  .toolbar-controls { gap: 4px; }
  .toolbar-controls .dd-trigger { height: 30px; padding: 0 5px 0 3px; gap: 3px; font-size: 11px; }
  .toolbar-controls .dd-trigger.dd-plain { padding: 0 6px; }
  .toolbar-controls .dd-swatch { width: 14px; height: 14px; }
  .toolbar-controls .theme-toggle { height: 30px; }
  .toolbar-controls .toggle-btn { padding: 0 6px; font-size: 11px; }
  .toolbar-controls .btn-secondary { height: 30px; padding: 0 8px; font-size: 11px; }
}

/* ---- About / doc page ------------------------------------------------- */
.doc { flex: 1; overflow: auto; padding: 48px 24px 80px; }
.doc-body { max-width: 720px; margin: 0 auto; }
.doc-title { font-size: clamp(30px, 5vw, 44px); line-height: 1.1; letter-spacing: -0.02em; margin: 0 0 20px; }
.doc-body p { font-size: 16px; line-height: 1.7; color: var(--muted); margin: 0 0 20px; }
.doc-body p.doc-eyebrow {
  text-transform: uppercase; letter-spacing: .14em; font-size: 12px; font-weight: 600;
  color: var(--accent); margin: 0 0 12px;
}
.doc-body p.doc-lead { font-size: 19px; line-height: 1.6; color: var(--text); margin: 0 0 28px; }
.doc-body p strong { color: var(--text); font-weight: 600; }
.doc-h2 { font-size: 20px; letter-spacing: -0.01em; margin: 36px 0 14px; }
.doc-list { margin: 0 0 24px; padding-left: 20px; }
.doc-list li { font-size: 16px; line-height: 1.7; color: var(--muted); margin: 6px 0; }
.doc-list li strong, .doc-body code { color: var(--text); }
.doc-body code { font-family: var(--mono); font-size: 13px; }

.doc-code {
  background: var(--panel); border: 1px solid var(--border); border-radius: 12px;
  padding: 18px 20px; margin: 4px 0 12px; overflow-x: auto;
}
.doc-code pre { margin: 0; }
.doc-code code {
  font-family: var(--mono); font-size: 12.5px; line-height: 1.65; color: var(--text-secondary, var(--muted));
  white-space: pre;
}

.doc-cta { display: flex; flex-wrap: wrap; gap: 12px; margin: 32px 0 24px; }
.doc-btn {
  display: inline-flex; align-items: center; gap: 6px;
  background: var(--panel-2); color: var(--text);
  border: 1px solid var(--border); border-radius: 999px;
  padding: 11px 20px; font-size: 15px; text-decoration: none;
  transition: border-color .15s, background .15s, transform .15s;
}
.doc-btn:hover { border-color: color-mix(in srgb, var(--accent) 55%, var(--border)); transform: translateY(-1px); }
.doc-btn--primary { background: var(--accent); border-color: var(--accent); color: #fff; font-weight: 600; }
.doc-btn--primary:hover { background: color-mix(in srgb, var(--accent) 88%, #000); }
.doc-note { font-size: 13px !important; color: var(--muted); border-top: 1px solid var(--border); padding-top: 20px; margin-top: 12px; }