/* NPL Dose Calculator 1.5.0 — redesign (docs/redesign-spec.md).
   Station 1: 360px | 1fr at ≥1024px, 300px | 1fr between, single column <768px.
   Everything scoped under #npl-calc (the .npl-calc root). */

#npl-calc {
  --lime: #b6f23a;
  --ink: #0f1115;
  --muted: #6b7280;
  --line: #e5e7eb;
  max-width: 1200px;
  margin: 0 auto;
  gap: 12px;
}

/* ---------- Top row: title (or back link) + 2 chips, 40px ---------- */
#npl-calc .npl-calc__top {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 12px;
  min-height: 40px;
  margin: 0;
}
#npl-calc .npl-calc__title {
  margin: 0;
  font-size: 26px;
  line-height: 40px;
  font-weight: 800;
  letter-spacing: -0.01em;
  color: #0B1A30;
}
#npl-calc .npl-calc__back {
  border: 0;
  background: none;
  padding: 0;
  font-size: 15px;
  font-weight: 700;
  color: #1E5BD8;
  line-height: 40px;
}
#npl-calc .npl-calc__back:hover { color: #0B1A30; }
#npl-calc .npl-stations {
  flex-wrap: nowrap;
  align-items: center;
  gap: 8px;
}
#npl-calc .npl-station-chip {
  flex: 0 0 auto;
  height: 40px;
  padding: 0 14px 0 6px;
  gap: 8px;
  border-radius: 999px;
  font-size: 14px;
}
#npl-calc .npl-station-num { width: 28px; height: 28px; }
#npl-calc .npl-station-chip:disabled { opacity: .55; cursor: not-allowed; }
#npl-calc .npl-calc__narrow { display: none; }
#npl-calc .npl-stations-sep {
  width: 24px;
  height: 2px;
  background: #D5DCE6;
  flex: none;
}

/* ---------- Station 1 grid ---------- */
#npl-calc .npl-calc__s1 {
  display: grid;
  grid-template-columns: 360px minmax(0, 1fr);
  gap: 24px;
  align-items: start;
}
#npl-calc .npl-calc__inputs {
  display: flex;
  flex-direction: column;
  gap: 12px;
  padding: 18px;
  border-radius: 16px;
}
#npl-calc .npl-calc__row {
  display: flex;
  flex-direction: column;
  gap: 6px;
}
#npl-calc .npl-calc__row .npl-label { font-size: 14px; font-weight: 700; }
#npl-calc .npl-calc__inputs .npl-input { height: 44px; }
#npl-calc .npl-calc__inputs .npl-seg button { height: 44px; min-width: 50px; }
#npl-calc .npl-calc__unit {
  flex: 0 0 100px;
  text-align: center;
  font-size: 15px;
  font-weight: 600;
  color: #4A5A70;
}
#npl-calc .npl-calc__meta {
  margin: 0;
  font-size: 13px;
  color: var(--muted);
  font-variant-numeric: tabular-nums;
}
#npl-calc .npl-calc__inputs .npl-hint { font-size: 12px; color: var(--muted); }
#npl-calc .npl-calc__water-hint {
  display: flex; flex-direction: column; gap: 2px;
  margin: -2px 0 0; padding: 8px 10px; border-radius: 8px;
  background: #F6F8FB; border: 1px solid var(--line);
  font-size: 12.5px; line-height: 1.4; color: #4A5A70;
}
#npl-calc .npl-calc__water-hint strong { color: #0B1A30; font-size: 13.5px; font-weight: 700; }
#npl-calc .npl-calc__water-hint.is-auto { background: #F6FDE8; border-color: #CFEA8F; }
#npl-calc .npl-calc__auto-tag {
  align-self: flex-start; margin-bottom: 2px; padding: 1px 7px; border-radius: 999px;
  background: var(--lime); color: var(--ink); font-size: 11px; font-weight: 800;
  letter-spacing: .04em; text-transform: uppercase;
}
#npl-calc .npl-calc__hint-link {
  border: 0; background: none; padding: 0; font: inherit; font-weight: 700;
  color: #1E5BD8; text-decoration: underline; cursor: pointer; text-align: left;
}
#npl-calc .npl-calc__hint-link:hover { color: #0B1A30; }
#npl-calc .npl-calc__inputs .npl-warn { margin: 0; }

#npl-calc .npl-calc__right {
  display: flex;
  flex-direction: column;
  gap: 12px;
  min-width: 0;
}

/* A — answers (110px reserved) */
#npl-calc .npl-calc__answers {
  display: grid;
  grid-template-columns: 1fr 1.3fr 1fr;
  height: 110px;
  border: 1px solid var(--line);
  border-radius: 12px;
  background: #fff;
  overflow: hidden;
}
#npl-calc .npl-calc__answer {
  display: flex;
  flex-direction: column;
  justify-content: center;
  gap: 4px;
  padding: 10px 16px;
  min-width: 0;
  border-right: 1px solid var(--line);
}
#npl-calc .npl-calc__answer:last-child { border-right: 0; }
#npl-calc .npl-calc__label {
  font-size: 11px;
  font-weight: 700;
  letter-spacing: .08em;
  text-transform: uppercase;
  color: var(--muted);
}
#npl-calc .npl-calc__value {
  font-size: 28px;
  font-weight: 700;
  line-height: 1.1;
  color: #0B1A30;
  font-variant-numeric: tabular-nums;
  white-space: nowrap;
}
#npl-calc .npl-calc__value small { font-size: .6em; font-weight: 600; color: #4A5A70; }
#npl-calc .npl-calc__answer--hero { background: #FBFFF2; }
#npl-calc .npl-calc__answer--hero .npl-calc__value {
  font-size: 40px;
  font-weight: 800;
  align-self: flex-start;
  border-bottom: 4px solid var(--lime);
}
#npl-calc .npl-calc__sub {
  font-size: 12px;
  line-height: 1.3;
  color: #4A5A70;
  overflow: hidden;
  display: -webkit-box;
  -webkit-line-clamp: 2;
  -webkit-box-orient: vertical;
}
#npl-calc .npl-calc__answers.is-empty .npl-calc__value { color: #B9C6D8; }
#npl-calc .npl-calc__answers.is-empty .npl-calc__answer--hero .npl-calc__value { border-bottom-color: var(--line); }
#npl-calc .npl-calc__answers.is-warn .npl-calc__answer--hero .npl-calc__value { border-bottom-color: #E0A800; }

/* B — syringe (90px reserved) */
#npl-calc .npl-calc__syringe {
  height: 90px;
  width: 100%;
  border: 1px solid var(--line);
  border-radius: 12px;
  background: #fff;
  padding: 0 8px;
  display: flex;
  align-items: center;
  justify-content: center;
}
#npl-calc .npl-calc__syringe-svg { display: block; width: 100%; height: 100%; }

/* C — next step (no downloads on Station 1); 110px reserved */
#npl-calc .npl-calc__teaser {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
  min-height: 110px;
  padding: 16px 20px;
  border: 1px solid var(--line);
  border-radius: 12px;
  background: #fff;
}
#npl-calc .npl-calc__teaser-body {
  display: flex;
  flex-direction: column;
  gap: 6px;
  min-width: 0;
}
#npl-calc .npl-calc__teaser-title { font-size: 17px; font-weight: 800; line-height: 1.25; color: #0B1A30; }
#npl-calc .npl-calc__teaser-sub { font-size: 14px; line-height: 1.4; color: #4A5A70; }
#npl-calc .npl-calc__teaser.is-disabled .npl-calc__teaser-title { color: #7A889B; }
#npl-calc .npl-calc__next-btn { flex: 0 0 auto; height: 52px; font-size: 16px; white-space: nowrap; }

/* Buttons — one lime primary per screen */
#npl-calc .npl-btn--primary {
  background: var(--lime);
  color: var(--ink);
  font-weight: 700;
  padding: 0 18px;
  border-radius: 8px;
  border: 0;
}
#npl-calc .npl-btn--primary:hover:not(:disabled) { background: #a3e01f; }
#npl-calc .npl-btn--primary[disabled] { background: var(--line); color: var(--muted); cursor: not-allowed; }
#npl-calc .npl-btn--secondary {
  background: transparent;
  color: var(--ink);
  border: 1.5px solid var(--ink);
  border-radius: 8px;
  font-weight: 700;
  padding: 0 16px;
}
#npl-calc .npl-btn--secondary:hover:not(:disabled) { background: #F1F4F8; }
#npl-calc .npl-btn--secondary[disabled] { border-color: var(--line); color: var(--muted); cursor: not-allowed; }
#npl-calc .npl-btn:focus-visible,
#npl-calc .npl-calc__back:focus-visible {
  outline: 2px solid #1E5BD8;
  outline-offset: 2px;
}

/* Mobile sticky bar (Station 1) — hidden on tablet/desktop */
#npl-calc .npl-calc__stickybar { display: none; }

/* Footer disclaimer — one line */
#npl-calc .npl-legal { font-size: 13px; font-weight: 600; }

/* Toast */
#npl-calc .npl-toast {
  position: fixed;
  left: 50%;
  bottom: 24px;
  transform: translateX(-50%);
  z-index: 60;
  background: #0B1A30;
  color: #fff;
  font-size: 14px;
  font-weight: 600;
  padding: 10px 18px;
  border-radius: 999px;
  box-shadow: 0 6px 24px rgba(11, 26, 48, .25);
  white-space: nowrap;
}

/* ---------- Station 2 ---------- */
#npl-calc .npl-calc__s2 {
  display: grid;
  grid-template-columns: minmax(280px, 520px) minmax(320px, 1fr);
  gap: 28px;
  align-items: start;
}
#npl-calc .npl-calc__guide-col { min-width: 0; display: flex; justify-content: center; }
#npl-calc .npl-calc__guide-frame {
  width: min(100%, 1024px, calc((100vh - 180px) * 1024 / 1536));
  min-width: 280px;
  aspect-ratio: 2 / 3;
  border: 1px solid var(--line);
  border-radius: 10px;
  overflow: hidden;
  background: #fff;
  box-shadow: 0 4px 18px rgba(11, 26, 48, .08);
}
#npl-calc .npl-calc__guide-frame .npl-calc__guide-canvas { display: block; width: 100%; height: 100%; }
#npl-calc .npl-calc__actions-col {
  position: sticky;
  top: 16px;
  display: flex;
  flex-direction: column;
  gap: 14px;
  min-width: 0;
}
#npl-calc .npl-calc__actions {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
}
#npl-calc .npl-calc__actions .npl-btn { height: 52px; flex: 1 1 180px; font-size: 16px; }
#npl-calc .npl-calc__print { display: flex; flex-direction: column; gap: 8px; }
#npl-calc .npl-calc__print-note { margin: 0; font-size: 13px; color: var(--muted); text-align: center; }
#npl-calc .npl-calc__print .npl-seg button { flex: 1 1 0; height: 36px; font-size: 13px; min-width: 0; }
#npl-calc .npl-calc__actions-col .npl-select { width: 100%; }

/* Optional guide details (peptide name, time of day, notes) */
#npl-calc .npl-calc__details {
  display: flex; flex-direction: column; gap: 12px;
  background: #fff; border: 1px solid #E3E8EF; border-radius: 14px; padding: 14px 16px 16px;
}
#npl-calc .npl-calc__details-head h4 { margin: 0; font-size: 15px; font-weight: 700; color: #0B1A30; }
#npl-calc .npl-calc__details-head h4 span { font-weight: 500; color: #4A5A70; }
#npl-calc .npl-calc__details-head p { margin: 4px 0 0; font-size: 13px; line-height: 1.4; color: #4A5A70; }
#npl-calc .npl-calc__details .npl-chip { height: 40px; }

/* Optional schedule accordion (never a step; closed by default) */
#npl-calc .npl-protocol-acc {
  background: #fff;
  border: 1px solid #E3E8EF;
  border-radius: 14px;
  padding: 0;
  overflow: hidden;
}
#npl-calc .npl-protocol-summary {
  list-style: none;
  cursor: pointer;
  display: grid;
  grid-template-columns: 1em 1fr;
  gap: 4px 8px;
  padding: 14px 16px;
  font-size: 15px;
  font-weight: 700;
  color: #0B1A30;
  user-select: none;
}
#npl-calc .npl-protocol-summary::-webkit-details-marker { display: none; }
#npl-calc .npl-protocol-summary::before {
  content: "\25B8";
  color: #1E5BD8;
  font-size: 14px;
  transition: transform .15s ease;
}
#npl-calc .npl-protocol-acc[open] > .npl-protocol-summary::before { transform: rotate(90deg); }
#npl-calc .npl-protocol-summary-opt {
  grid-column: 2;
  font-size: 13px;
  font-weight: 500;
  line-height: 1.4;
  color: #4A5A70;
}
#npl-calc .npl-protocol-body {
  display: flex;
  flex-direction: column;
  gap: 16px;
  padding: 0 14px 16px;
}

/* "Next step" divider — the schedule is a separate step after downloading */
#npl-calc .npl-calc__next-step {
  display: flex; align-items: center; gap: 12px; margin-top: 10px;
  font-size: 12px; font-weight: 800; letter-spacing: .1em; text-transform: uppercase; color: #4A5A70;
}
#npl-calc .npl-calc__next-step::before,
#npl-calc .npl-calc__next-step::after { content: ""; flex: 1; height: 1px; background: #D5DCE6; }

/* Schedule (inside "Add schedule to calendar") */
#npl-calc .npl-sched { gap: 14px; }
#npl-calc .npl-sched__sec {
  display: flex; flex-direction: column; gap: 14px;
  border-top: 1px solid #E3E8EF; padding-top: 14px;
}
#npl-calc .npl-sched__h {
  display: flex; align-items: center; gap: 10px; margin: 0;
  font-size: 15px; font-weight: 800; color: #0B1A30;
}
#npl-calc .npl-sched__h span {
  width: 24px; height: 24px; border-radius: 50%; flex: none;
  display: inline-flex; align-items: center; justify-content: center;
  background: #0B1A30; color: #fff; font-size: 12px; font-weight: 800;
}
#npl-calc .npl-sched__sub { margin: -8px 0 0; font-size: 13px; color: #4A5A70; }
#npl-calc .npl-sched__sub--top { margin: 0; }
#npl-calc .npl-calc__details .npl-sched__days .npl-chip { padding: 0 4px; font-size: 13.5px; }
#npl-calc .npl-sched__field { display: flex; flex-direction: column; gap: 8px; }
#npl-calc .npl-sched__field .npl-label-sm { font-size: 13px; font-weight: 700; color: #2A3A52; }
#npl-calc .npl-sched .npl-chips { gap: 6px; }
#npl-calc .npl-sched .npl-chip { height: 36px; min-width: 0; padding: 0 12px; font-size: 13.5px; }
#npl-calc .npl-sched__days { display: grid; grid-template-columns: repeat(7, minmax(0, 1fr)); }
#npl-calc .npl-sched__days .npl-sched__every { grid-column: 1 / -1; }
#npl-calc .npl-sched__days .npl-chip { padding: 0 4px; }
#npl-calc .npl-sched__dur { display: flex; align-items: center; gap: 10px; flex-wrap: wrap; }
#npl-calc .npl-sched .npl-dur-input { width: 96px; height: 40px; padding: 0 12px; font-size: 15px; }
#npl-calc .npl-sched .npl-dur-input.is-err { border-color: #C0392B; }
#npl-calc .npl-seg { display: inline-flex; gap: 6px; }
#npl-calc .npl-sched__dates { display: grid; grid-template-columns: 1fr 1fr; gap: 10px; }
#npl-calc .npl-sched__dates > div { display: flex; flex-direction: column; gap: 8px; min-width: 0; }
#npl-calc .npl-sched__dates .npl-label-sm { font-size: 13px; font-weight: 700; color: #2A3A52; }
#npl-calc .npl-sched .npl-date-input,
#npl-calc .npl-sched .npl-end-box { height: 40px; font-size: 14px; padding: 0 14px; }

#npl-calc .npl-sched__summary {
  display: flex; flex-direction: column; gap: 10px;
  background: #F6F8FB; border: 1px solid #E3E8EF; border-radius: 12px; padding: 12px 14px;
}
#npl-calc .npl-sched__stats { display: grid; grid-template-columns: repeat(3, minmax(0, 1fr)); gap: 8px; }
#npl-calc .npl-sched__stats > div { display: flex; flex-direction: column; gap: 2px; min-width: 0; }
#npl-calc .npl-sched__stats .v { font-size: 18px; font-weight: 800; color: #0B1A30; font-variant-numeric: tabular-nums; }
#npl-calc .npl-sched__stats .l { font-size: 12px; line-height: 1.3; color: #4A5A70; }
#npl-calc .npl-sched__total {
  display: flex; flex-wrap: wrap; align-items: baseline; gap: 4px 10px;
  border-top: 1px solid #E3E8EF; padding-top: 10px;
}
#npl-calc .npl-sched__total strong { font-size: 15px; color: #0B1A30; }
#npl-calc .npl-sched__total span { font-size: 12.5px; color: #4A5A70; }

#npl-calc .npl-sched .npl-time-row { gap: 8px; }
#npl-calc .npl-sched .npl-time-row select { height: 40px; font-size: 14px; }
#npl-calc .npl-time-colon { font-size: 16px; font-weight: 700; color: #4A5A70; }
#npl-calc .npl-sched .npl-seg button { height: 40px; }
#npl-calc .npl-sched .npl-short { padding: 10px 12px; border-radius: 10px; }
#npl-calc .npl-sched .npl-short strong { font-size: 14px; }
#npl-calc .npl-sched .npl-short span { font-size: 13px; }
#npl-calc .npl-sched .npl-runout-check { font-size: 13px; align-items: flex-start; }
#npl-calc .npl-sched__cal { display: flex; flex-wrap: wrap; gap: 8px; }
#npl-calc .npl-sched__cal .npl-btn { flex: 1 1 170px; height: 46px; font-size: 14px; }

/* ---------- Breakpoints ---------- */
@media (max-width: 1023px) {
  #npl-calc .npl-calc__s1 { grid-template-columns: 300px minmax(0, 1fr); }
  #npl-calc .npl-calc__answers { height: auto; min-height: 110px; }
  #npl-calc .npl-calc__sub { -webkit-line-clamp: 3; }
  #npl-calc .npl-calc__s2 { grid-template-columns: minmax(260px, 1fr) minmax(300px, 1fr); }
}

@media (max-width: 767px) {
  #npl-calc .npl-calc__top { flex-direction: column; align-items: flex-start; gap: 4px; }
  #npl-calc .npl-stations { width: 100%; }
  #npl-calc .npl-stations { gap: 6px; }
  #npl-calc .npl-station-chip { flex: 1 1 0; min-width: 0; padding: 0 10px 0 5px; gap: 6px; font-size: 13px; }
  #npl-calc .npl-station-num { width: 26px; height: 26px; font-size: 12px; }
  #npl-calc .npl-stations-sep { width: 10px; }
  #npl-calc .npl-station-label { white-space: nowrap; overflow: hidden; text-overflow: ellipsis; }

  #npl-calc .npl-calc__s1 { grid-template-columns: 1fr; gap: 12px; }
  #npl-calc .npl-calc__inputs { padding: 12px 14px; gap: 8px; }
  #npl-calc .npl-calc__row {
    display: grid;
    grid-template-columns: 96px minmax(0, 1fr);
    align-items: center;
    gap: 8px;
  }
  #npl-calc .npl-calc__inputs .npl-input,
  #npl-calc .npl-calc__inputs .npl-seg button { height: 42px; }
  #npl-calc .npl-calc__unit { flex-basis: 96px; }
  #npl-calc .npl-calc__inputs .npl-hint { display: none; }

  #npl-calc .npl-calc__answers {
    grid-template-columns: 1fr 1fr;
    grid-template-rows: 1fr auto;
    height: auto;
    min-height: 130px;
  }
  #npl-calc .npl-calc__answer { padding: 10px 12px; }
  #npl-calc .npl-calc__answer:first-child { order: 1; }
  #npl-calc .npl-calc__answer--hero { order: 2; border-right: 0; }
  #npl-calc .npl-calc__answer:last-child {
    order: 3;
    grid-column: 1 / -1;
    flex-direction: row;
    align-items: baseline;
    gap: 8px;
    border-top: 1px solid var(--line);
    padding: 8px 12px;
  }
  #npl-calc .npl-calc__answer:last-child .npl-calc__value { font-size: 18px; }
  #npl-calc .npl-calc__value { font-size: 24px; }
  #npl-calc .npl-calc__answer--hero .npl-calc__value { font-size: 30px; }
  #npl-calc .npl-calc__syringe { height: 72px; }
  #npl-calc .npl-calc__teaser { flex-direction: column; align-items: stretch; }
  #npl-calc .npl-calc__next-btn { width: 100%; }

  #npl-calc .npl-calc__stickybar:not([hidden]) {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 12px;
    position: fixed;
    left: 0;
    right: 0;
    bottom: 0;
    z-index: 50;
    background: #fff;
    border-top: 1px solid var(--line);
    padding: 10px 16px calc(10px + env(safe-area-inset-bottom, 0px));
    box-shadow: 0 -6px 20px rgba(11, 26, 48, .08);
  }
  #npl-calc .npl-calc__stickybar-txt { font-size: 16px; font-weight: 800; font-variant-numeric: tabular-nums; }
  #npl-calc .npl-calc__stickybar .npl-btn { flex: 0 0 auto; height: 44px; }

  #npl-calc .npl-calc__s2 { grid-template-columns: 1fr; padding-bottom: 76px; }
  #npl-calc .npl-calc__guide-frame { width: 100%; min-width: 0; }
  #npl-calc .npl-calc__actions-col { position: static; }
  #npl-calc .npl-calc__actions {
    flex-direction: row;
    position: fixed;
    left: 0;
    right: 0;
    bottom: 0;
    z-index: 50;
    background: #fff;
    border-top: 1px solid var(--line);
    padding: 10px 16px calc(10px + env(safe-area-inset-bottom, 0px));
    box-shadow: 0 -6px 20px rgba(11, 26, 48, .08);
  }
  #npl-calc .npl-calc__actions .npl-btn { height: 46px; flex: 1 1 0; }
  #npl-calc .npl-calc__actions .npl-btn--primary { flex-grow: 1.6; }
  #npl-calc .npl-calc__wide { display: none; }
  #npl-calc .npl-calc__narrow { display: inline; }
  #npl-calc .npl-toast { bottom: 84px; }
}

@media (prefers-reduced-motion: reduce) {
  #npl-calc .npl-protocol-summary::before { transition: none; }
}