/* ============================================================
   PEPSYNTH LABS — DOSE RANGE PRESETS + POSITION METER
   Loaded after styles.css
   ============================================================ */

.range-box {
  margin-top: 14px;
  padding: 14px;
  border: 1px solid var(--line);
  border-radius: var(--r);
  background: rgba(10, 22, 40, .45);
}

.range-head {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 10px;
  margin-bottom: 10px;
  flex-wrap: wrap;
}

.range-title {
  font-size: 12px;
  font-weight: 700;
  letter-spacing: .06em;
  text-transform: uppercase;
  color: var(--muted);
}

/* ---------- evidence badge ---------- */
.ev-badge {
  font-size: 11px;
  font-weight: 700;
  letter-spacing: .03em;
  padding: 4px 9px;
  border-radius: 999px;
  border: 1px solid transparent;
  white-space: nowrap;
}

.ev-approved   { color: #0A1628; background: var(--ok);     border-color: var(--ok); }
.ev-trial      { color: #0A1628; background: var(--cyan);   border-color: var(--cyan); }
.ev-limited    { color: #2A1B00; background: var(--warn);   border-color: var(--warn); }
.ev-preclinical{ color: var(--muted); background: rgba(148,174,204,.12); border-color: rgba(148,174,204,.35); }
.ev-halted     { color: #fff;    background: var(--danger); border-color: var(--danger); }

/* ---------- preset buttons ---------- */
.presets {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 8px;
}

.preset {
  min-height: 54px;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  gap: 3px;
  padding: 8px 4px;
  border-radius: 10px;
  cursor: pointer;
  border: 1px solid var(--line);
  background: var(--panel);
  color: var(--txt);
  font: inherit;
  -webkit-tap-highlight-color: transparent;
  transition: background .15s ease, border-color .15s ease, transform .1s ease;
}

.preset:active { transform: scale(.97); }

.preset em {
  font-style: normal;
  font-size: 10px;
  letter-spacing: .05em;
  text-transform: uppercase;
  color: var(--muted);
}

.preset b {
  font-size: 14px;
  font-weight: 700;
  line-height: 1.15;
  text-align: center;
}

.preset.on {
  background: rgba(46, 155, 255, .18);
  border-color: var(--blue);
}
.preset.on em { color: var(--cyan); }

/* ---------- meter ---------- */
.meter {
  position: relative;
  margin-top: 18px;
}

.meter-track {
  display: flex;
  height: 10px;
  border-radius: 999px;
  overflow: hidden;
  background: var(--navy-2);
}

.zone { height: 100%; }
.zone-under { flex: 0 0 22%; background: linear-gradient(90deg, rgba(255,181,71,.22), rgba(255,181,71,.55)); }
.zone-in    { flex: 0 0 56%; background: linear-gradient(90deg, var(--ok), #2FB575); }
.zone-over  { flex: 0 0 22%; background: linear-gradient(90deg, rgba(255,107,107,.55), rgba(255,107,107,.95)); }

.meter-needle {
  position: absolute;
  top: -5px;
  left: 50%;
  width: 0;
  transition: left .3s cubic-bezier(.22, .9, .3, 1);
}

.needle-dot {
  display: block;
  width: 4px;
  height: 20px;
  margin-left: -2px;
  border-radius: 3px;
  background: #fff;
  box-shadow: 0 0 0 2px var(--navy), 0 0 10px rgba(255, 255, 255, .55);
}

.meter-scale {
  display: flex;
  justify-content: space-between;
  margin-top: 9px;
  font-size: 11px;
  color: var(--muted);
}

.meter-status {
  margin: 10px 0 0;
  font-size: 13px;
  font-weight: 600;
  line-height: 1.4;
}

.s-in    { color: var(--ok); }
.s-under { color: var(--warn); }
.s-over  { color: var(--danger); }
.s-na    { color: var(--muted); font-weight: 500; }

.ev-note {
  margin: 8px 0 0;
  font-size: 11.5px;
  line-height: 1.5;
  color: var(--muted);
}

/* ---------- narrow phones ---------- */
@media (max-width: 359px) {
  .presets { grid-template-columns: 1fr; gap: 6px; }
  .preset { flex-direction: row; gap: 8px; min-height: 44px; justify-content: space-between; padding: 8px 12px; }
}

@media (prefers-reduced-motion: reduce) {
  .meter-needle { transition: none; }
  .preset { transition: none; }
}