/* ==========================================================================
   Playground — extends main style.css
   ========================================================================== */

.pg-hero {
  padding: clamp(7rem, 14vh, 10rem) 0 var(--s-6);
  border-bottom: var(--edge-thin);
  position: relative;
}

.pg-title {
  font-family: var(--ff-sans);
  font-weight: 800;
  font-size: clamp(2rem, 6vw, 4.5rem);
  line-height: 1.05;
  letter-spacing: -0.03em;
  color: var(--paper);
  margin: var(--s-3) 0 var(--s-3);
  max-width: 16ch;
  word-break: keep-all;
}
.pg-title mark {
  background: none;
  color: var(--lime);
}

.pg-desc {
  font-size: var(--t-md);
  color: var(--paper-dim);
  max-width: 56ch;
  line-height: 1.55;
}

/* --- Steps -------------------------------------------------------------- */
.pg-step {
  padding: var(--s-6) 0;
  border-bottom: var(--edge-thin);
}
.pg-step-ink { background: var(--ink-2); }

.pg-step-head {
  margin-bottom: var(--s-4);
  padding-top: var(--s-2);
  border-top: var(--edge-thin);
  display: grid;
  grid-template-columns: 8rem 1fr;
  gap: var(--s-3);
  align-items: start;
}
.pg-step-num {
  font-family: var(--ff-mono);
  font-size: 0.72rem;
  color: var(--lime);
  letter-spacing: 0.1em;
  font-weight: 700;
  text-transform: uppercase;
  padding-top: 0.35rem;
}
.pg-step-title {
  font-family: var(--ff-sans);
  font-weight: 800;
  font-size: clamp(1.4rem, 3vw, 2.2rem);
  letter-spacing: -0.025em;
  line-height: 1.05;
  color: var(--paper);
  margin-bottom: 0.4rem;
}
.pg-step-desc {
  color: var(--paper-dim);
  font-size: 0.95rem;
  line-height: 1.6;
  max-width: 60ch;
}
.pg-step-desc a {
  color: var(--lime);
  border-bottom: 1px solid currentColor;
}

/* --- Inputs ------------------------------------------------------------- */
.pg-input,
.pg-textarea {
  width: 100%;
  background: var(--ink);
  color: var(--paper);
  border: var(--edge-thin);
  font-family: var(--ff-mono);
  font-size: 0.95rem;
  padding: 0.85rem 1rem;
  line-height: 1.5;
  transition: border-color 0.2s;
}
.pg-input:focus,
.pg-textarea:focus {
  outline: none;
  border-color: var(--lime);
}
.pg-textarea {
  font-family: var(--ff-sans);
  resize: vertical;
  min-height: 8rem;
}

.pg-key-row {
  display: grid;
  grid-template-columns: 1fr auto auto;
  gap: var(--s-2);
  margin-bottom: var(--s-2);
}
.pg-key-status {
  font-family: var(--ff-mono);
  font-size: 0.78rem;
  color: var(--mute);
  margin-top: var(--s-2);
}
.pg-key-status.is-ok { color: var(--lime); }
.pg-key-status.is-err { color: var(--alert); }

/* --- Presets ------------------------------------------------------------ */
.pg-presets {
  display: flex;
  flex-wrap: wrap;
  gap: 0.5rem;
  align-items: center;
  margin-top: var(--s-2);
}
.pg-presets-label {
  font-family: var(--ff-mono);
  font-size: 0.72rem;
  color: var(--mute);
  text-transform: uppercase;
  letter-spacing: 0.08em;
  margin-right: 0.5rem;
}
.pg-preset {
  font-family: var(--ff-mono);
  font-size: 0.78rem;
  background: transparent;
  color: var(--paper-dim);
  border: var(--edge-thin);
  padding: 0.4rem 0.8rem;
  cursor: pointer;
  transition: all 0.2s;
}
.pg-preset:hover {
  border-color: var(--lime);
  color: var(--lime);
}

/* --- Models ------------------------------------------------------------- */
.pg-models {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(260px, 1fr));
  gap: var(--s-2);
}
.pg-model { cursor: pointer; }
.pg-model input { display: none; }
.pg-model-card {
  border: var(--edge-thin);
  padding: var(--s-3);
  background: var(--ink);
  display: grid;
  gap: 0.3rem;
  transition: border-color 0.2s, background 0.2s;
}
.pg-model:hover .pg-model-card { border-color: var(--paper-dim); }
.pg-model input:checked ~ .pg-model-card {
  border-color: var(--lime);
  background: rgba(212, 255, 58, 0.06);
}
.pg-model-tag {
  font-family: var(--ff-mono);
  font-size: 0.62rem;
  letter-spacing: 0.1em;
  color: var(--mute);
  text-transform: uppercase;
}
.pg-model input:checked ~ .pg-model-card .pg-model-tag { color: var(--lime); }
.pg-model-card b {
  font-family: var(--ff-mono);
  font-weight: 700;
  font-size: 1rem;
  color: var(--paper);
  letter-spacing: -0.01em;
}
.pg-model-card small {
  font-size: 0.75rem;
  color: var(--mute);
  font-family: var(--ff-mono);
}

/* --- Run ---------------------------------------------------------------- */
.pg-run-btn {
  font-size: 1rem;
  padding: 1rem 2rem;
}
.pg-run-btn:disabled {
  opacity: 0.4;
  cursor: not-allowed;
}
.pg-run-status {
  margin-top: var(--s-2);
  font-family: var(--ff-mono);
  font-size: 0.85rem;
  color: var(--mute);
}

/* --- Results ------------------------------------------------------------ */
.pg-results {
  margin-top: var(--s-4);
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(320px, 1fr));
  gap: var(--s-3);
}
.pg-result {
  border: var(--edge-thin);
  background: var(--ink);
  display: grid;
  grid-template-rows: auto 1fr auto;
  min-height: 200px;
}
.pg-result-head {
  padding: 0.7rem 1rem;
  border-bottom: var(--edge-thin);
  display: flex;
  justify-content: space-between;
  align-items: center;
  font-family: var(--ff-mono);
  font-size: 0.78rem;
}
.pg-result-name {
  color: var(--lime);
  font-weight: 700;
}
.pg-result-meta {
  color: var(--mute);
  font-size: 0.7rem;
}
.pg-result-status {
  display: inline-flex;
  align-items: center;
  gap: 0.4rem;
}
.pg-result-status::before {
  content: "";
  width: 7px;
  height: 7px;
  border-radius: 50%;
}
.pg-result-status.is-loading::before {
  background: var(--lime);
  animation: blink 1s infinite;
}
.pg-result-status.is-done::before {
  background: var(--lime);
}
.pg-result-status.is-error::before {
  background: var(--alert);
}
.pg-result-body {
  padding: 1rem;
  font-size: 0.9rem;
  line-height: 1.65;
  color: var(--paper);
  overflow-x: auto;
  white-space: pre-wrap;
  word-break: keep-all;
  overflow-wrap: break-word;
  max-height: 600px;
  overflow-y: auto;
}
.pg-result-body code,
.pg-result-body pre {
  font-family: var(--ff-mono);
  background: var(--ink-2);
  padding: 0.1em 0.3em;
  font-size: 0.85em;
}
.pg-result-foot {
  padding: 0.6rem 1rem;
  border-top: var(--edge-thin);
  font-family: var(--ff-mono);
  font-size: 0.7rem;
  color: var(--mute);
  display: flex;
  justify-content: space-between;
}
.pg-result.is-error .pg-result-body { color: var(--alert); }

/* --- Checklist ---------------------------------------------------------- */
.pg-checklist {
  list-style: none;
  display: grid;
  gap: 0.5rem;
}
.pg-checklist li {
  font-size: 0.95rem;
  color: var(--paper-dim);
  padding-left: 1.6rem;
  position: relative;
  line-height: 1.6;
}
.pg-checklist li::before {
  content: "□";
  position: absolute;
  left: 0;
  color: var(--lime);
  font-family: var(--ff-mono);
  font-size: 1.1rem;
  top: -0.1rem;
}

/* --- Responsive --------------------------------------------------------- */
@media (max-width: 900px) {
  .pg-step-head { grid-template-columns: 1fr; gap: var(--s-2); }
  .pg-step-num { padding-top: 0; }
  .pg-key-row { grid-template-columns: 1fr; }
  .pg-models { grid-template-columns: 1fr; }
}