/* =========================================================
   tool.css - shared layout for every /tools/<slug>.html page.
   Inherits design tokens from styles.css.
   ========================================================= */

.tool-page {
  position: relative;
  z-index: 1;
  max-width: 1280px;
  margin: 0 auto;
  padding: clamp(28px, 4vw, 56px) var(--pad-x) clamp(60px, 6vw, 100px);
}

/* ----- Breadcrumb ----- */
.tool-breadcrumb {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  font-family: var(--font-mono);
  font-size: 12px;
  color: var(--muted);
  margin-bottom: 22px;
}
.tool-breadcrumb a {
  color: var(--ink-2);
  transition: color .15s ease;
}
.tool-breadcrumb a:hover { color: var(--accent); }
.tool-breadcrumb .sep { color: var(--muted-2); }
.tool-breadcrumb .cat {
  color: var(--accent);
  text-transform: uppercase;
  letter-spacing: .1em;
  font-size: 11px;
}
.tool-breadcrumb .cur { color: var(--ink); }

/* ----- Head ----- */
.tool-head {
  display: flex;
  align-items: flex-end;
  justify-content: space-between;
  gap: 28px;
  flex-wrap: wrap;
  padding-bottom: 28px;
  margin-bottom: 28px;
  border-bottom: 1px solid var(--line-soft);
}
.tool-head-left { max-width: 60ch; }
.tool-title {
  font-family: var(--font-display);
  font-weight: 500;
  font-size: clamp(34px, 4.4vw, 56px);
  letter-spacing: -.035em;
  line-height: 1;
  margin: 0 0 14px;
}
.tool-title em {
  font-style: italic;
  font-weight: 400;
  color: var(--muted);
}
.tool-tagline {
  font-size: 16px;
  line-height: 1.5;
  color: var(--ink-2);
  margin: 0;
  max-width: 60ch;
}
.tool-head-meta {
  display: flex;
  align-items: center;
  gap: 10px;
  font-family: var(--font-mono);
  font-size: 11px;
  color: var(--muted);
}
.tool-head-meta .led { width: 7px; height: 7px; border-radius: 50%; }

/* ----- Controls strip ----- */
.tool-controls {
  display: flex;
  align-items: center;
  flex-wrap: wrap;
  gap: 8px 14px;
  padding: 14px 16px;
  border: 1px solid var(--line);
  border-radius: 12px;
  background: var(--surface);
  margin-bottom: 16px;
}
.ctrl {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  font-family: var(--font-mono);
  font-size: 12px;
  color: var(--muted);
}
.ctrl-label {
  text-transform: uppercase;
  letter-spacing: .08em;
}
.ctrl-spacer { flex: 1; }

.select {
  font-family: var(--font-mono);
  font-size: 12px;
  color: var(--ink-2);
  background: var(--surface-2);
  border: 1px solid var(--line);
  border-radius: 6px;
  padding: 6px 26px 6px 10px;
  cursor: pointer;
  outline: none;
  appearance: none;
  background-image: linear-gradient(45deg, transparent 50%, var(--muted) 50%), linear-gradient(135deg, var(--muted) 50%, transparent 50%);
  background-position: calc(100% - 13px) 50%, calc(100% - 9px) 50%;
  background-size: 4px 4px, 4px 4px;
  background-repeat: no-repeat;
  transition: border-color .15s, color .15s;
}
.select:hover, .select:focus { border-color: var(--accent); color: var(--ink); }

.input,
.text-input {
  font-family: var(--font-mono);
  font-size: 13px;
  color: var(--ink);
  background: var(--surface-2);
  border: 1px solid var(--line);
  border-radius: 6px;
  padding: 7px 10px;
  outline: none;
  min-width: 0;
  transition: border-color .15s;
}
.input:focus, .text-input:focus { border-color: var(--accent); }

.ctrl-check { cursor: pointer; user-select: none; }
.ctrl-check input { display: none; }
.ctrl-check input + span {
  position: relative;
  padding-left: 22px;
  color: var(--ink-2);
  font-family: var(--font-body);
  font-size: 13px;
}
.ctrl-check input + span::before {
  content: '';
  position: absolute; left: 0; top: 50%;
  transform: translateY(-50%);
  width: 14px; height: 14px;
  border: 1px solid var(--line);
  border-radius: 4px;
  background: var(--bg-soft);
  transition: background .15s, border-color .15s;
}
.ctrl-check input:checked + span::before {
  background: var(--accent);
  border-color: var(--accent);
}
.ctrl-check input:checked + span::after {
  content: '';
  position: absolute;
  left: 4px; top: 50%;
  width: 4px; height: 8px;
  border: solid var(--accent-ink);
  border-width: 0 2px 2px 0;
  transform: translateY(-65%) rotate(45deg);
}

.btn {
  font-family: var(--font-mono);
  font-size: 12px;
  padding: 7px 12px;
  border: 1px solid var(--line);
  border-radius: 6px;
  background: var(--surface-2);
  color: var(--ink-2);
  cursor: pointer;
  transition: border-color .15s, color .15s, background .15s;
}
.btn:hover { border-color: var(--accent); color: var(--accent); }
.btn-accent {
  background: var(--accent);
  border-color: var(--accent);
  color: var(--accent-ink);
  font-weight: 500;
}
.btn-accent:hover { background: #e2ff5b; color: var(--accent-ink); }

.btn-group {
  display: inline-flex;
  border: 1px solid var(--line);
  border-radius: 6px;
  background: var(--surface-2);
  overflow: hidden;
}
.btn-group .btn {
  border: 0;
  border-radius: 0;
  border-right: 1px solid var(--line);
  background: transparent;
}
.btn-group .btn:last-child { border-right: 0; }
.btn-group .btn.is-active {
  background: var(--accent);
  color: var(--accent-ink);
  font-weight: 500;
}

/* ----- Body / panes ----- */
.tool-body {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 12px;
  margin-bottom: 16px;
}
.tool-body-single { grid-template-columns: 1fr; }
.tool-body-stack { grid-template-columns: 1fr; }

@media (max-width: 820px) {
  .tool-body { grid-template-columns: 1fr; }
}

.t-pane {
  display: flex;
  flex-direction: column;
  border: 1px solid var(--line);
  border-radius: 12px;
  background: var(--surface);
  min-height: 380px;
  overflow: hidden;
}
.t-pane-head {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 11px 14px;
  border-bottom: 1px solid var(--line-soft);
  background: var(--bg-soft);
}
.t-pane-label {
  font-family: var(--font-mono);
  font-size: 11px;
  text-transform: uppercase;
  letter-spacing: .1em;
  color: var(--muted);
}
.t-pane-label-accent { color: var(--accent); }
.t-pane-meta {
  font-family: var(--font-mono);
  font-size: 11px;
  color: var(--muted-2);
}
.t-pane-meta strong { color: var(--ink-2); font-weight: 500; }

.t-pane-input,
.t-pane-output {
  flex: 1;
  width: 100%;
  border: 0;
  outline: none;
  resize: none;
  background: transparent;
  font-family: var(--font-mono);
  font-size: 13.5px;
  line-height: 1.65;
  color: var(--ink);
  padding: 16px 18px;
  margin: 0;
  white-space: pre;
  overflow: auto;
  tab-size: 2;
}
.t-pane-input::placeholder { color: var(--muted-2); }
.t-pane-output { color: var(--ink-2); }
.t-pane-output.wrap { white-space: pre-wrap; word-break: break-word; }

/* status-tinted panes */
.t-pane.is-err  { border-color: rgba(255,110,74,.5); }
.t-pane.is-err  .t-pane-label-accent { color: var(--warn); }
.t-pane.is-ok   { border-color: rgba(212,255,61,.4); }

.t-err {
  color: var(--warn);
  font-family: var(--font-mono);
  font-size: 13px;
  padding: 16px 18px;
  line-height: 1.55;
}
.t-err-hint { color: var(--muted); margin-top: 6px; }

/* Syntax token colours (re-export for tools) */
.t-k { color: #c5d0e0; }
.t-s { color: #b6e8a8; }
.t-n { color: #ffb86c; }
.t-b { color: #7ec8ff; }
.t-p { color: var(--muted); }
.t-c { color: var(--muted); font-style: italic; }
.t-hl { background: rgba(212,255,61,.18); color: var(--accent); border-radius: 2px; padding: 0 1px; }
.t-hl-2 { background: rgba(126,200,255,.18); color: #7ec8ff; border-radius: 2px; padding: 0 1px; }

/* ----- Foot ----- */
.tool-foot {
  display: flex;
  align-items: center;
  justify-content: space-between;
  flex-wrap: wrap;
  gap: 12px;
  padding: 12px 16px;
  border: 1px solid var(--line);
  border-radius: 12px;
  background: var(--surface);
}
.tool-foot-stats {
  display: flex;
  flex-wrap: wrap;
  gap: 18px;
  font-family: var(--font-mono);
  font-size: 11px;
  color: var(--muted);
}
.tool-foot-stats strong { color: var(--ink); font-weight: 500; }
.tool-foot-actions { display: flex; gap: 6px; flex-wrap: wrap; }

/* ----- Generic "card" used by some tools (uuid list, lorem output, etc) ----- */
.t-card {
  border: 1px solid var(--line);
  border-radius: 12px;
  background: var(--surface);
  padding: 18px 20px;
}
.t-card + .t-card { margin-top: 12px; }
.t-card-head {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-bottom: 12px;
  padding-bottom: 10px;
  border-bottom: 1px solid var(--line-soft);
}
.t-card-title {
  font-family: var(--font-mono);
  font-size: 11px;
  text-transform: uppercase;
  letter-spacing: .1em;
  color: var(--muted);
  margin: 0;
}

/* ----- Mini stat / kv used by JWT, time, etc. ----- */
.kv {
  display: grid;
  grid-template-columns: 130px 1fr;
  gap: 4px 18px;
  font-family: var(--font-mono);
  font-size: 13px;
  align-items: baseline;
}
.kv dt {
  color: var(--muted);
  text-transform: uppercase;
  font-size: 10px;
  letter-spacing: .08em;
}
.kv dd {
  color: var(--ink);
  margin: 0;
  word-break: break-all;
}

/* ----- See-also strip ----- */
.see-also {
  margin-top: 56px;
  padding-top: 28px;
  border-top: 1px solid var(--line-soft);
}
.see-also-title {
  font-family: var(--font-mono);
  font-size: 11px;
  text-transform: uppercase;
  letter-spacing: .1em;
  color: var(--accent);
  margin: 0 0 16px;
}
.see-also-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(220px, 1fr));
  gap: 10px;
}
.see-also-grid a {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 12px 14px;
  border: 1px solid var(--line);
  border-radius: 10px;
  background: var(--surface);
  color: var(--ink-2);
  font-size: 14px;
  transition: border-color .15s, color .15s;
}
.see-also-grid a:hover { border-color: var(--accent); color: var(--accent); }
.see-also-grid a span:last-child {
  font-family: var(--font-mono);
  color: var(--muted-2);
}
.see-also-grid a:hover span:last-child { color: var(--accent); }