/* =========================================================================
   maestro web — design kit (DEV-only)
   Loaded only by kit.ts (?kit). Layout for the specimen page + proposed
   terminal-native button variants offered for critique. Nothing here ships:
   kit.ts is dynamically imported behind import.meta.env.DEV.
   ========================================================================= */

.kit {
  height: 100%;
  overflow: auto;
  background: var(--bg);
  color: var(--ink);
  scrollbar-width: thin;
  scrollbar-color: var(--border-strong) transparent;
}

.kit-header {
  position: sticky;
  top: 0;
  z-index: var(--z-sticky);
  display: flex;
  align-items: center;
  gap: var(--sp-3);
  padding: var(--sp-3) var(--sp-5);
  border-bottom: 1px solid var(--border);
  background: color-mix(in oklab, var(--surface) 82%, transparent);
  backdrop-filter: blur(8px);
}

.kit-brand {
  display: inline-flex;
  align-items: center;
  gap: var(--sp-2);
}

.kit-brand h1 {
  margin: 0;
  font-size: var(--fs-15);
  font-weight: 600;
  letter-spacing: -0.01em;
}

.kit-header-actions {
  margin-left: auto;
  display: inline-flex;
  align-items: center;
  gap: var(--sp-2);
}

.kit-main {
  max-width: 1080px;
  margin: 0 auto;
  padding: var(--sp-6) var(--sp-5) var(--sp-8);
  display: flex;
  flex-direction: column;
  gap: var(--sp-8);
}

.kit-section-head {
  margin-bottom: var(--sp-4);
}

.kit-section-title {
  margin: 0;
  font-size: var(--fs-13);
  font-weight: 600;
  letter-spacing: 0.04em;
  text-transform: uppercase;
  color: var(--accent);
}

.kit-section-note {
  margin: 6px 0 0;
  font-family: var(--font-sans);
  font-size: var(--fs-13);
  color: var(--muted);
  max-width: 70ch;
}

.kit-row {
  display: flex;
  flex-wrap: wrap;
  align-items: flex-end;
  gap: var(--sp-4);
}

/* A specimen cell: the component above, its name below. */
.kit-cell {
  display: flex;
  flex-direction: column;
  gap: var(--sp-2);
  align-items: flex-start;
}

.kit-slot {
  display: flex;
  align-items: center;
  min-height: 44px;
  padding: var(--sp-3);
  border: 1px dashed var(--border);
  border-radius: var(--r-2);
  background: color-mix(in oklab, var(--surface) 40%, var(--bg));
}

.kit-slot .spawn-form {
  padding: 0;
  min-width: 200px;
}

.kit-label {
  font-size: var(--fs-11);
  color: var(--faint);
  letter-spacing: 0.01em;
}

/* color swatches */
.kit-swatches {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(120px, 1fr));
  gap: var(--sp-3);
}

.kit-swatch {
  display: flex;
  flex-direction: column;
  gap: 6px;
}

.kit-swatch-chip {
  height: 48px;
  border-radius: var(--r-2);
  border: 1px solid var(--border);
}

/* session-row specimen sits in a sidebar-width container so wrapping/ellipsis
   behave like the real sidebar. */
.kit-tree-host {
  display: block;
}

.kit-tree {
  width: clamp(280px, 26vw, 360px);
  padding: var(--sp-2) 0;
  background: color-mix(in oklab, var(--surface) 26%, var(--bg));
  border: 1px solid var(--border);
  border-radius: var(--r-2);
}

.kit-empties {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(260px, 1fr));
  gap: var(--sp-4);
  align-items: start;
}

.kit-empties .empty {
  border: 1px solid var(--border);
  border-radius: var(--r-2);
  background: color-mix(in oklab, var(--surface) 30%, var(--bg));
}

/* -------------------------------------------------------------------------
   Proposed terminal-native button variants (critique only)
   ------------------------------------------------------------------------- */

.kit-btn-bracket,
.kit-btn-prompt,
.kit-btn-block,
.kit-btn-underline {
  appearance: none;
  cursor: pointer;
  font-family: var(--font-mono);
  font-size: var(--fs-13);
  height: var(--control-h);
  display: inline-flex;
  align-items: center;
  gap: 6px;
  background: transparent;
  border: 1px solid transparent;
  color: var(--ink);
  transition:
    color var(--dur-fast) var(--ease-out),
    border-color var(--dur-fast) var(--ease-out),
    background var(--dur-fast) var(--ease-out);
}

/* [ + Spawn ] — brackets are the chrome */
.kit-btn-bracket {
  padding: 0 var(--sp-2);
}
.kit-btn-bracket::before {
  content: "[";
  color: var(--faint);
}
.kit-btn-bracket::after {
  content: "]";
  color: var(--faint);
}
.kit-btn-bracket:hover {
  color: var(--accent);
}
.kit-btn-bracket:hover::before,
.kit-btn-bracket:hover::after {
  color: var(--accent);
}
.kit-btn-bracket.is-primary {
  color: var(--accent);
  font-weight: 600;
}
.kit-btn-bracket.is-primary::before,
.kit-btn-bracket.is-primary::after {
  color: var(--accent);
}
.kit-btn-bracket.is-primary:hover {
  background: var(--accent-tint);
}

/* › spawn — a shell prompt */
.kit-btn-prompt {
  padding: 0 var(--sp-2);
  color: var(--muted);
}
.kit-btn-prompt::before {
  content: "›";
  color: var(--accent);
  font-weight: 700;
}
.kit-btn-prompt:hover {
  color: var(--ink);
}

/* SPAWN — boxed, uppercase, tight */
.kit-btn-block {
  padding: 0 var(--sp-3);
  border-color: var(--border-strong);
  border-radius: var(--r-1);
  text-transform: uppercase;
  letter-spacing: 0.08em;
  font-size: var(--fs-11);
  font-weight: 600;
  color: var(--muted);
}
.kit-btn-block:hover {
  color: var(--accent);
  border-color: var(--accent);
  background: var(--accent-tint);
}

/* spawn — underline only */
.kit-btn-underline {
  padding: 0 2px;
  border-radius: 0;
  border-bottom: 1px solid var(--border-strong);
  color: var(--muted);
}
.kit-btn-underline:hover {
  color: var(--accent);
  border-bottom-color: var(--accent);
}

.kit-btn-bracket:focus-visible,
.kit-btn-prompt:focus-visible,
.kit-btn-block:focus-visible,
.kit-btn-underline:focus-visible {
  outline: 2px solid var(--accent-ring);
  outline-offset: 2px;
  border-radius: var(--r-1);
}