/**
 * Peptide Dosage Calculator — scoped styles
 * Scoped under .pd-calculator-widget so multiple instances on one page are safe.
 */

.pd-calculator-widget {
  --calc-blue:       #307055;
  --calc-blue-light: #eaf2ed;
  --calc-blue-mid:   #b6d4c4;
  --calc-border:     #E2E8F0;
  --calc-surface:    #F8FAFC;
  --calc-text:       #0F172A;
  --calc-muted:      #94A3B8;
  --calc-secondary:  #475569;
  --calc-green:      #10B981;
  --calc-red:        #EF4444;
  font-family: 'Inter', system-ui, sans-serif;
}

/* ── Layout ───────────────────────────────────────────────────── */
.pd-calc-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 1.25rem;
}
@media (min-width: 768px) {
  .pd-calc-grid { grid-template-columns: 1fr 1fr; }
}

/* ── Cards ────────────────────────────────────────────────────── */
.pd-calc-card {
  background: #fff;
  border: 1px solid var(--calc-border);
  border-radius: 16px;
  box-shadow: 0 1px 3px 0 rgb(0 0 0 / .06), 0 1px 2px -1px rgb(0 0 0 / .06);
  padding: 1.75rem;
  display: flex;
  flex-direction: column;
  justify-content: space-between;
}

/* Your Draw / syringe results — match reference cool wash */
.pd-calc-card--draw {
  background: linear-gradient(#fdfeff, #f6fafd);
}

/* ── Section header ───────────────────────────────────────────── */
.pd-calc-header {
  display: flex;
  align-items: center;
  gap: 0.75rem;
  margin-bottom: 0.5rem;
}
.pd-calc-step-badge {
  width: 28px; height: 28px;
  border-radius: 50%;
  background: var(--calc-blue);
  color: #fff;
  font-size: 0.75rem; font-weight: 700;
  display: flex; align-items: center; justify-content: center;
  flex-shrink: 0;
}
.pd-calc-icon-wrap {
  width: 32px; height: 32px;
  border-radius: 8px;
  background: var(--calc-blue-light);
  display: flex; align-items: center; justify-content: center;
  flex-shrink: 0;
  color: var(--calc-blue);
}
.pd-calc-icon-wrap svg { color: var(--calc-blue); }
.pd-calc-title { font-size: 1.0625rem; font-weight: 700; color: var(--calc-text); letter-spacing: -0.01em; }
.pd-calc-desc  { font-size: 0.8125rem; color: var(--calc-muted); margin-bottom: 1.5rem; line-height: 1.6; }

/* ── Fields ───────────────────────────────────────────────────── */
.pd-calc-widget-label {
  display: block;
  font-size: 0.8125rem; font-weight: 600;
  color: var(--calc-secondary);
  margin-bottom: 0.375rem;
}
.pd-calc-field { margin-bottom: 1rem; }
.pd-calc-field:last-of-type { margin-bottom: 1.5rem; }

.pd-calc-input-group {
  display: flex;
  border: 1.5px solid var(--calc-border);
  border-radius: 10px;
  overflow: hidden;
  transition: border-color .15s, box-shadow .15s;
}
.pd-calc-input-group:focus-within {
  border-color: var(--calc-blue);
  box-shadow: 0 0 0 3px rgba(48,112,85,.15);
}
.pd-calc-input-group input,
.pd-calc-input-group select {
  outline: none !important;
  background: transparent !important;
  border: none !important;
  padding: 0.625rem 0.875rem !important;
  font-size: .9375rem;
  font-family: 'JetBrains Mono', 'Fira Mono', monospace;
  font-weight: 600; color: var(--calc-text); width: 100%;
}
.pd-calc-input-group select {
  background: #F1F5F9;
  border-left: 1.5px solid var(--calc-border);
  width: auto; flex-shrink: 0;
  font-family: 'Inter', system-ui, sans-serif;
  font-size: .8125rem; color: var(--calc-secondary);
  cursor: pointer; padding: .625rem .75rem;
}
.pd-calc-input-group select.pd-calc-select-full {
  background: #fff; border-left: none; width: 100%;
  font-size: .875rem; font-weight: 500; color: var(--calc-text);
}
.pd-calc-suffix {
  background: #F1F5F9;
  border-left: 1.5px solid var(--calc-border);
  padding: .625rem .875rem;
  font-size: .8125rem; font-weight: 700; color: var(--calc-muted);
  display: flex; align-items: center; white-space: nowrap;
}

/* ── Chip presets ─────────────────────────────────────────────── */
.pd-calc-chips {
  display: flex; flex-wrap: wrap; gap: .375rem; margin-top: .625rem;
}
.pd-calc-chip {
  padding: .25rem .75rem;
  font-size: .75rem; font-weight: 600;
  border-radius: 999px;
  border: 1.5px solid var(--calc-border);
  color: var(--calc-secondary); background: #fff;
  cursor: pointer; transition: all .15s;
  font-family: 'JetBrains Mono', 'Fira Mono', monospace;
}
.pd-calc-chip:hover,
.pd-calc-chip.active {
  border-color: var(--calc-blue);
  color: var(--calc-blue); background: var(--calc-blue-light);
}

/* ── Concentration box ────────────────────────────────────────── */
.pd-calc-conc-box {
  border-top: 1.5px solid var(--calc-border);
  padding-top: 1.125rem; margin-top: 1rem;
}
.pd-calc-conc-main {
  display: flex; justify-content: space-between; align-items: baseline;
  margin-bottom: .625rem;
}
.pd-calc-conc-label { font-size: .8125rem; font-weight: 600; color: var(--calc-muted); }
.pd-calc-conc-value {
  font-size: 1.5rem; font-weight: 800; color: var(--calc-blue);
  font-family: 'JetBrains Mono', 'Fira Mono', monospace; letter-spacing: -.03em;
}
.pd-calc-conc-row   { display: flex; justify-content: space-between; font-size: .8125rem; margin-bottom: .25rem; }
.pd-calc-conc-row span:first-child { color: var(--calc-muted); }
.pd-calc-conc-row span:last-child  { font-weight: 700; font-family: 'JetBrains Mono', 'Fira Mono', monospace; color: var(--calc-text); }

/* ── Syringe buttons ──────────────────────────────────────────── */
.pd-calc-syringe-grid {
  display: grid; grid-template-columns: repeat(3,1fr); gap: .625rem;
}
.pd-calc-syringe-btn {
  border: 1.5px solid var(--calc-border);
  border-radius: 12px; padding: .875rem .5rem; text-align: center;
  cursor: pointer; background: #fff; transition: all .15s;
}
.pd-calc-syringe-btn:hover { border-color: var(--calc-blue); background: var(--calc-blue-light); }
.pd-calc-syringe-btn.active { border: 2px solid var(--calc-blue); background: var(--calc-blue-light); }
.pd-calc-syr-size { font-size: 1.125rem; font-weight: 800; color: var(--calc-text); font-family: 'JetBrains Mono','Fira Mono',monospace; line-height: 1; }
.pd-calc-syringe-btn.active .pd-calc-syr-size { color: var(--calc-blue); }
.pd-calc-syr-sub  { font-size: .6875rem; font-weight: 600; color: var(--calc-muted); margin-top: .25rem; }
.pd-calc-syringe-btn.active .pd-calc-syr-sub { color: #6aaa8e; }
.pd-calc-syringe-desc {
  font-size: .75rem;
  color: var(--calc-muted);
  line-height: 1.6;
  margin-top: 1.25rem !important;
  margin-bottom: 0 !important;
  padding-top: .25rem;
}

/* ── Results / Draw card ──────────────────────────────────────── */
.pd-calc-draw-header { display: flex; align-items: center; gap: .75rem; margin-bottom: 1.5rem; }
.pd-calc-stat-grid {
  display: grid; grid-template-columns: repeat(2,1fr); gap: .75rem; margin-bottom: 2rem;
}
@media (min-width: 640px) { .pd-calc-stat-grid { grid-template-columns: repeat(4,1fr); } }

.pd-calc-stat-card {
  border: 1.5px solid var(--calc-border); border-radius: 12px;
  padding: .875rem 1rem; background: var(--calc-surface);
}
.pd-calc-stat-card.primary {
  border-color: transparent;
  background: linear-gradient(135deg,#eaf2ed 0%,#c8dfd4 100%);
}
.pd-calc-stat-label {
  font-size: .6875rem; font-weight: 700; text-transform: uppercase;
  letter-spacing: .07em; color: var(--calc-muted); margin-bottom: .375rem;
}
.pd-calc-stat-card.primary .pd-calc-stat-label { color: #307055; }
.pd-calc-stat-value {
  font-size: 1.25rem; font-weight: 800; color: var(--calc-text);
  font-family: 'JetBrains Mono','Fira Mono',monospace;
  display: flex; align-items: baseline; gap: .25rem;
}
.pd-calc-stat-unit { font-size: .75rem; font-weight: 500; font-family: 'Inter',system-ui,sans-serif; color: var(--calc-secondary); }
.pd-calc-draw-value { font-size: 2rem; font-weight: 900; color: var(--calc-red); font-family: 'JetBrains Mono','Fira Mono',monospace; letter-spacing: -.04em; }
.pd-calc-draw-unit  { font-size: .875rem; font-weight: 500; font-family: 'Inter',system-ui,sans-serif; color: var(--calc-secondary); }

/* ── Syringe SVG ──────────────────────────────────────────────── */
.pd-calc-syringe-wrap { width: 100%; max-width: 700px; margin: 2rem auto .5rem; }
.pd-calc-syringe-wrap svg { width: 100%; height: auto; display: block; overflow: visible; }

/* ── Result messages ──────────────────────────────────────────── */
.pd-calc-result-msg {
  display: flex; align-items: center; gap: .5rem;
  font-size: .875rem; font-weight: 600; margin-top: .5rem;
  padding: .625rem .875rem; border-radius: 8px;
}
.pd-calc-result-msg.ok  { background: #ECFDF5; color: var(--calc-green); }
.pd-calc-result-msg.err { background: #FEF2F2; color: var(--calc-red); }
.pd-calc-result-msg svg { flex-shrink: 0; }
.pd-calc-nearest-box { margin-top: .75rem; }
.pd-calc-nearest-warn { font-size: .8125rem; font-weight: 600; color: #D97706; display: flex; align-items: center; gap: .375rem; }
.pd-calc-nearest-tip  { font-size: .75rem; color: var(--calc-muted); margin-top: .375rem; line-height: 1.5; }
.pd-calc-better-fit-wrap { margin-top: .625rem; }
.pd-calc-better-fit-btn {
  display: inline-flex; align-items: center; gap: .375rem;
  padding: .375rem .875rem;
  font-size: .75rem; font-weight: 600;
  border: 1.5px dashed var(--calc-blue); border-radius: 999px;
  color: var(--calc-blue); background: var(--calc-blue-light);
  cursor: pointer; font-family: 'Inter',system-ui,sans-serif; transition: all .15s;
}