/* What every tool page shares on top of base.css: the numbered steps, the
 * file drop, buttons, verify lists and the sticky build bar.
 *
 * Extracted when the boot-screen page would have been the fourth inline copy
 * of the same block (destinations, arp, boot, bench). Older pages still carry
 * their own copy; new pages link this.
 */

.step { margin: 2.5rem 0; }
.step-head { display: flex; align-items: baseline; gap: .75rem; margin-bottom: .4rem; }
.step-num {
  font-family: var(--mono); font-size: .72rem; letter-spacing: .1em;
  color: var(--accent); border: 1px solid currentColor;
  border-radius: 3px; padding: .1rem .4rem; flex: none;
}
.step h2 { margin: 0; border: 0; padding: 0; font-size: 1.2rem; }
.step > p { margin-top: .3rem; color: var(--ink-soft); }

.drop {
  border: 2px dashed var(--rule); border-radius: 10px;
  padding: 2rem 1.5rem; text-align: center; background: var(--panel);
  transition: border-color .15s, background .15s;
}
.drop.over { border-color: var(--accent); background: var(--accent-dim); }
.drop p { margin: 0 auto; max-width: none; }
.drop .hint { color: var(--ink-soft); font-size: .88rem; margin-top: .5rem; }

button, .filebtn {
  font: inherit; font-size: .9rem; cursor: pointer;
  background: var(--panel); color: var(--ink);
  border: 1px solid var(--rule); border-radius: 6px;
  padding: .4rem .9rem; display: inline-block;
}
button:hover, .filebtn:hover { border-color: var(--accent); color: var(--accent); }
button:disabled { opacity: .45; cursor: not-allowed; }
button.primary {
  background: var(--accent); color: #fff; border-color: var(--accent);
  font-weight: 600; padding: .6rem 1.4rem;
}
:root[data-theme="dark"] button.primary,
:root:not([data-theme="light"]) button.primary { color: #16181c; }
:focus-visible { outline: 2px solid var(--accent); outline-offset: 2px; }

.verdict { display: grid; gap: .3rem; margin-top: 1rem; font-size: .9rem; }
.verdict div { display: flex; gap: .6rem; align-items: baseline; }
.verdict .mark { font-family: var(--mono); flex: none; width: 1.2rem; }
.pass .mark { color: var(--ok); }
.fail .mark, .fail { color: #c33; }

.bar {
  position: sticky; bottom: 0; background: var(--bg);
  border-top: 1px solid var(--rule); padding: 1rem 0;
  display: flex; gap: 1rem; align-items: center; flex-wrap: wrap;
  margin-top: 2rem;
}
.bar .status { color: var(--ink-soft); font-size: .88rem; flex: 1 1 14rem; }
.hidden { display: none !important; }   /* beats .controls and any later display rule */
.busy { color: var(--accent); }

/* Form rows: a label above its control, laid out in a wrapping grid. */
.controls {
  display: grid; gap: 1rem 1.5rem; margin-top: 1rem;
  grid-template-columns: repeat(auto-fill, minmax(12rem, 1fr));
}
.control { display: grid; gap: .3rem; font-size: .9rem; }
.control label { font-weight: 500; }
.control .help { color: var(--ink-soft); font-size: .8rem; }
.control input[type="number"], .control select {
  font: inherit; font-family: var(--mono); font-size: .88rem;
  background: var(--panel); color: var(--ink);
  border: 1px solid var(--rule); border-radius: 6px; padding: .35rem .5rem;
  width: 100%;
}
.control input[type="range"] { width: 100%; accent-color: var(--accent); }
.choice { display: flex; gap: .5rem; flex-wrap: wrap; margin-top: .6rem; }
.choice label {
  border: 1px solid var(--rule); border-radius: 6px; padding: .35rem .8rem;
  cursor: pointer; font-size: .9rem; background: var(--panel);
}
.choice input { position: absolute; opacity: 0; pointer-events: none; }
.choice input:checked + span { color: var(--accent); font-weight: 600; }
.choice label:has(input:checked) { border-color: var(--accent); }
.choice label:has(input:focus-visible) { outline: 2px solid var(--accent); outline-offset: 2px; }