/* ============================================================
   Wonkbench - Data-Science Multitool (client-side, no backend)
   Brand tokens from wonk.css (--ink, --cta, --arctic, ...)
   ============================================================ */

/* Compact page header: positioning without pushing the tool below the fold. */
.wb-section { padding-top: 24px; padding-bottom: 56px; }
.wb-head {
  display: flex;
  align-items: flex-start;
  justify-content: space-between;
  gap: 20px;
  flex-wrap: wrap;
  margin-bottom: 20px;
}
.wb-head__title {
  font-family: var(--font-display);
  font-weight: 700;
  font-size: clamp(30px, 3.2vw, 40px);
  letter-spacing: -0.032em;
  line-height: 0.96;
}
.wb-head__lead {
  margin-top: 8px;
  color: rgba(23, 48, 58, 0.66);
  font-size: 15px;
  line-height: 1.45;
  max-width: 70ch;
  text-wrap: pretty;
}
.wb-head__proof {
  flex: none;
  display: flex;
  align-items: center;
  gap: 8px;
  flex-wrap: wrap;
  margin-top: 6px;
}
.wb-head__proof span {
  position: relative;
  display: inline-flex;
  align-items: center;
  font-family: var(--font-label);
  font-size: 10.5px;
  font-weight: 700;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--ink);
  border: 1.5px solid var(--ink);
  border-radius: 999px;
  padding: 6px 12px;
  background: var(--arctic);
  white-space: nowrap;
}
.wb-head__proof span:first-child {
  background: var(--ink);
  color: var(--arctic);
}
@media (max-width: 600px) {
  .wb-head__title { font-size: 28px; }
  .wb-head__proof { width: 100%; }
}

.wb {
  --wb-mono: "JetBrains Mono", ui-monospace, SFMono-Regular, "SF Mono",
             Menlo, Consolas, "Liberation Mono", monospace;
  --wb-border: rgba(23, 48, 58, 0.12);
  --wb-border-strong: rgba(23, 48, 58, 0.22);
  --wb-bar: #eef3f1;
  --wb-ok: #26704a;
  --wb-err: #a33a2c;
  --wb-warn: #8d6817;
  display: grid;
  grid-template-columns: 248px minmax(0, 1fr);
  gap: 30px;
  align-items: start;
}

.wb__noscript {
  grid-column: 1 / -1;
  padding: 16px 20px;
  border: 1.5px solid var(--ink);
  border-radius: var(--radius-md);
  background: var(--bg-alt);
}

/* ---------------- Sidebar ---------------- */
.wb-nav {
  position: sticky;
  top: 88px;
  align-self: start;
  display: flex;
  flex-direction: column;
  gap: 20px;
  padding: 14px;
  border: 1.5px solid rgba(23, 48, 58, 0.12);
  border-radius: 16px;
  background: rgba(255, 255, 255, 0.44);
}
.wb-nav__group-title {
  font-family: var(--font-label);
  font-size: 10.5px;
  font-weight: 700;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: rgba(23, 48, 58, 0.45);
  margin: 0 0 8px 4px;
}
.wb-nav__list { list-style: none; margin: 0; padding: 0; display: flex; flex-direction: column; gap: 3px; }
.wb-nav__btn {
  display: flex;
  align-items: center;
  gap: 10px;
  width: 100%;
  text-align: left;
  border: 1.5px solid transparent;
  background: transparent;
  border-radius: 999px;
  padding: 9px 12px;
  font-family: var(--font-sans);
  font-size: 14.5px;
  color: var(--ink);
  cursor: pointer;
  transition: background 0.14s var(--ease), border-color 0.14s var(--ease), color 0.14s var(--ease), transform 0.14s var(--ease);
}
.wb-nav__btn::before {
  content: "";
  flex: none;
  width: 6px;
  height: 6px;
  border-radius: 50%;
  background: rgba(23, 48, 58, 0.22);
  transition: background 0.14s var(--ease), transform 0.14s var(--ease);
}
.wb-nav__btn:hover { background: rgba(0, 144, 192, 0.08); border-color: rgba(0, 144, 192, 0.16); transform: translateX(2px); }
.wb-nav__btn:hover::before { background: var(--cta); }
.wb-nav__btn.is-active {
  background: var(--ink);
  color: var(--arctic);
  border-color: var(--ink);
  font-weight: 600;
}
.wb-nav__btn.is-active::before { background: var(--cta); transform: scale(1.2); }

.wb-nav__select {
  display: none;
  width: 100%;
  padding: 12px 14px;
  border: 1.5px solid var(--ink);
  border-radius: var(--radius-md);
  background: var(--bg-alt);
  font-family: var(--font-sans);
  font-size: 16px;
  color: var(--ink);
}

/* ---------------- Panel ---------------- */
.wb-panel {
  min-width: 0;
  background: var(--bg-alt);
  border: 1.5px solid var(--ink);
  border-radius: 20px;
  padding: 26px 28px 28px;
  box-shadow: 0 1px 0 rgba(255, 255, 255, 0.6) inset,
              0 22px 46px -30px rgba(23, 48, 58, 0.5);
}
.wb-panel__head {
  margin-bottom: 22px;
  padding-bottom: 18px;
  border-bottom: 1.5px solid var(--wb-border);
}
.wb-panel__title {
  display: flex;
  align-items: center;
  gap: 12px;
  font-family: var(--font-display);
  font-weight: 700;
  font-size: 26px;
  letter-spacing: -0.028em;
  line-height: 1.1;
}
.wb-panel__title::before {
  content: "";
  flex: none;
  width: 10px;
  height: 24px;
  border-radius: 999px;
  background: var(--cta);
}
.wb-panel__desc {
  margin-top: 10px;
  color: rgba(23, 48, 58, 0.66);
  font-size: 14.5px;
  line-height: 1.5;
  max-width: 64ch;
}

/* ---------------- Editor field ---------------- */
.wb-field {
  border: 1.5px solid var(--wb-border-strong);
  border-radius: 12px;
  background: var(--bg-alt);
  overflow: hidden;
  transition: border-color 0.15s var(--ease), box-shadow 0.15s var(--ease);
}
.wb-field:focus-within {
  border-color: var(--cta);
  box-shadow: 0 0 0 3px rgba(0, 144, 192, 0.14);
}
.wb-field__bar {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 12px;
  padding: 9px 14px;
  background: var(--wb-bar);
  border-bottom: 1.5px solid var(--wb-border-strong);
}
.wb-field:focus-within .wb-field__bar { border-bottom-color: rgba(0, 144, 192, 0.35); }
.wb-field__label {
  font-family: var(--font-label);
  font-size: 10.5px;
  font-weight: 700;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--ink);
}
.wb-field__meta {
  font-family: var(--wb-mono);
  font-size: 11px;
  color: rgba(23, 48, 58, 0.45);
  font-variant-numeric: tabular-nums;
}
.wb-ctrl {
  display: block;
  width: 100%;
  box-sizing: border-box;
  border: 0;
  background: transparent;
  color: var(--ink);
  font-family: var(--wb-mono);
  font-size: 13.5px;
  line-height: 1.6;
  padding: 14px 16px;
}
.wb-ctrl:focus { outline: none; }
.wb-ctrl::placeholder { color: rgba(23, 48, 58, 0.36); }
.wb-ctrl--area { min-height: 200px; tab-size: 2; resize: vertical; }
.wb-ctrl--tall { min-height: 300px; }
.wb-ctrl--input { resize: none; }

/* ---------------- Toolbar + controls ---------------- */
.wb-toolbar {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
  align-items: center;
  margin: 14px 0;
}

.wb-btn {
  display: inline-flex;
  align-items: center;
  gap: 7px;
  border: 1.5px solid var(--ink);
  background: var(--ink);
  color: var(--arctic);
  border-radius: 999px;
  font-family: var(--font-display);
  font-weight: 700;
  font-size: 13.5px;
  padding: 10px 16px;
  cursor: pointer;
  transition: transform 0.08s var(--ease), background 0.15s var(--ease), border-color 0.15s var(--ease);
}
.wb-btn:hover { background: var(--ink-deep); }
.wb-btn:active { transform: translateY(1px); }
.wb-btn--cta { background: var(--cta); border-color: var(--cta); color: #fff; }
.wb-btn--cta:hover { background: var(--cta-hover); border-color: var(--cta-hover); }
.wb-btn--ghost { background: transparent; color: var(--ink); border-color: var(--wb-border-strong); }
.wb-btn--ghost:hover { background: var(--wb-bar); border-color: var(--ink); }

.wb-select {
  border: 1.5px solid var(--wb-border-strong);
  border-radius: 999px;
  background-color: var(--bg-alt);
  color: var(--ink);
  font-family: var(--font-sans);
  font-size: 13.5px;
  font-weight: 500;
  padding: 9px 32px 9px 12px;
  cursor: pointer;
  appearance: none;
  -webkit-appearance: none;
  background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='12' height='12' viewBox='0 0 24 24' fill='none' stroke='%2317303a' stroke-width='2.5' stroke-linecap='round'%3E%3Cpath d='M6 9l6 6 6-6'/%3E%3C/svg%3E");
  background-repeat: no-repeat;
  background-position: right 11px center;
}
.wb-select:focus { outline: none; border-color: var(--cta); box-shadow: 0 0 0 3px rgba(0, 144, 192, 0.14); }

.wb-check {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  font-family: var(--font-sans);
  font-size: 13px;
  color: var(--ink);
  cursor: pointer;
  user-select: none;
  padding: 8px 12px;
  border: 1.5px solid var(--wb-border);
  border-radius: 999px;
  background: var(--bg-alt);
  transition: border-color 0.14s var(--ease);
}
.wb-check:hover { border-color: var(--wb-border-strong); }
.wb-check input { width: 16px; height: 16px; accent-color: var(--cta); }

.wb-mini-wrap {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  font-family: var(--font-label);
  font-size: 10.5px;
  font-weight: 700;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: rgba(23, 48, 58, 0.55);
}
.wb-mini {
  width: auto;
  border: 1.5px solid var(--wb-border-strong);
  border-radius: 999px;
  background: var(--bg-alt);
  color: var(--ink);
  font-family: var(--wb-mono);
  font-size: 13px;
  padding: 8px 11px;
}
.wb-mini:focus { outline: none; border-color: var(--cta); box-shadow: 0 0 0 3px rgba(0, 144, 192, 0.14); }

/* ---------------- Status chip ---------------- */
.wb-status {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  font-family: var(--font-sans);
  font-size: 13px;
  color: rgba(23, 48, 58, 0.65);
  min-height: 18px;
  margin: 2px 0;
}
.wb-status:empty { display: none; }
.wb-status::before {
  content: "";
  flex: none;
  width: 7px;
  height: 7px;
  border-radius: 50%;
  background: currentColor;
}
.wb-status--ok { color: var(--wb-ok); }
.wb-status--err { color: var(--wb-err); }
.wb-status--warn { color: var(--wb-warn); }

/* ---------------- Result panel ---------------- */
.wb-result {
  margin-top: 14px;
  border: 1.5px solid var(--wb-border-strong);
  border-radius: 12px;
  background: var(--bg-alt);
  overflow: hidden;
}
.wb-result__bar {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 12px;
  padding: 9px 14px;
  background: var(--wb-bar);
  border-bottom: 1.5px solid var(--wb-border-strong);
}
.wb-result__label {
  display: inline-flex;
  align-items: center;
  gap: 9px;
  font-family: var(--font-label);
  font-size: 10.5px;
  font-weight: 700;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--ink);
}
.wb-result__label::before {
  content: "";
  width: 9px;
  height: 9px;
  border-radius: 2px;
  background: var(--cta);
}
.wb-result__copy {
  border: 1.5px solid var(--wb-border-strong);
  background: var(--bg-alt);
  color: var(--ink);
  border-radius: 8px;
  font-family: var(--font-label);
  font-size: 10.5px;
  font-weight: 700;
  letter-spacing: 0.06em;
  text-transform: uppercase;
  padding: 6px 11px;
  cursor: pointer;
  transition: border-color 0.14s var(--ease), color 0.14s var(--ease);
}
.wb-result__copy:hover { border-color: var(--ink); }
.wb-result__copy.is-done { color: var(--wb-ok); border-color: var(--wb-ok); }

.wb-out {
  margin: 0;
  padding: 16px;
  font-family: var(--wb-mono);
  font-size: 13.5px;
  line-height: 1.6;
  color: var(--ink);
  white-space: pre-wrap;
  word-break: break-word;
  overflow: auto;
  max-height: 540px;
}
.wb-out:empty::after {
  content: attr(data-empty);
  color: rgba(23, 48, 58, 0.4);
  white-space: normal;
}

/* JSON syntax highlight */
.wb-tok-key { color: #0b6f96; }
.wb-tok-str { color: #26704a; }
.wb-tok-num { color: #8d6817; }
.wb-tok-bool { color: var(--cta); font-weight: 600; }
.wb-tok-null { color: rgba(23, 48, 58, 0.5); font-style: italic; }
.wb-tok-punct { color: rgba(23, 48, 58, 0.55); }

/* regex / diff highlight */
.wb-hl { background: rgba(0, 144, 192, 0.22); border-radius: 3px; padding: 0 1px; }
.wb-del { display: block; background: rgba(194, 69, 45, 0.1); color: var(--wb-err); }
.wb-ins { display: block; background: rgba(31, 138, 76, 0.1); color: #177a45; }
.wb-ctx { display: block; color: rgba(23, 48, 58, 0.6); }

/* result table */
.wb-table { width: 100%; border-collapse: collapse; font-family: var(--font-sans); }
.wb-table tr { border-bottom: 1px solid var(--wb-border); }
.wb-table tr:last-child { border-bottom: 0; }
.wb-table tr:hover { background: rgba(0, 144, 192, 0.04); }
.wb-table th {
  text-align: left;
  padding: 9px 6px;
  font-family: var(--font-label);
  font-size: 11px;
  font-weight: 600;
  letter-spacing: 0.06em;
  text-transform: uppercase;
  color: rgba(23, 48, 58, 0.55);
}
.wb-table td.wb-num {
  text-align: right;
  padding: 9px 6px;
  font-family: var(--wb-mono);
  font-size: 13.5px;
  font-variant-numeric: tabular-nums;
  color: var(--ink);
}

/* layout helpers */
.wb-grid2 { display: grid; grid-template-columns: 1fr 1fr; gap: 16px; }

@media (max-width: 860px) {
  .wb { grid-template-columns: 1fr; gap: 18px; }
  .wb-nav { position: static; }
  .wb-nav__groups { display: none; }
  .wb-nav__select { display: block; }
  .wb-grid2 { grid-template-columns: 1fr; }
  .wb-panel { padding: 20px; }
}