/* ==========================================================================
   Peptide Dosage Calculator — Styles
   Color scheme: Dark navy backgrounds + teal/cyan accents
   Matches PeptideAffiliate site design system
   ========================================================================== */

:root {
  --calc-bg-dark: #1E2A3A;
  --calc-bg-card: #253548;
  --calc-bg-input: #1A2535;
  --calc-accent: #7FAFD4;
  --calc-accent-hover: #6A9AC4;
  --calc-accent-dim: rgba(127, 175, 212, 0.12);
  --calc-accent-border: rgba(127, 175, 212, 0.25);
  --calc-text: #B8C9DC;
  --calc-text-muted: #6B82A0;
  --calc-text-bright: #D9E4EF;
  --calc-warning: #FF6B35;
  --calc-danger: #FF4444;
  --calc-success: #7FAFD4;
  --calc-radius: 12px;
  --calc-radius-sm: 8px;
  --calc-font: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, Oxygen, Ubuntu, sans-serif;
}

/* Container */
.peptide-calc {
  font-family: var(--calc-font);
  background: var(--calc-bg-dark);
  color: var(--calc-text);
  max-width: 720px;
  margin: 2rem auto;
  padding: 2rem;
  border-radius: var(--calc-radius);
  border: 1px solid var(--calc-accent-border);
  line-height: 1.6;
}

.peptide-calc *,
.peptide-calc *::before,
.peptide-calc *::after {
  box-sizing: border-box;
}

/* Header */
.peptide-calc__header {
  text-align: center;
  margin-bottom: 2rem;
  padding-bottom: 1.5rem;
  border-bottom: 1px solid var(--calc-accent-border);
}

.peptide-calc__title {
  font-size: 1.6rem;
  font-weight: 700;
  color: var(--calc-accent);
  margin: 0 0 0.5rem 0;
  letter-spacing: -0.02em;
}

.peptide-calc__subtitle {
  font-size: 0.9rem;
  color: var(--calc-text-muted);
  margin: 0;
}

/* Preset Buttons */
.peptide-calc__presets {
  display: flex;
  flex-wrap: wrap;
  gap: 0.5rem;
  margin-bottom: 1.75rem;
}

.peptide-calc__presets-label {
  width: 100%;
  font-size: 0.8rem;
  font-weight: 600;
  color: var(--calc-text-muted);
  text-transform: uppercase;
  letter-spacing: 0.05em;
  margin-bottom: 0.25rem;
}

.peptide-calc__preset-btn {
  font-family: var(--calc-font);
  padding: 0.5rem 1.1rem;
  font-size: 0.85rem;
  font-weight: 600;
  color: var(--calc-accent);
  background: var(--calc-accent-dim);
  border: 1px solid var(--calc-accent-border);
  border-radius: 20px;
  cursor: pointer;
  transition: all 0.2s ease;
}

.peptide-calc__preset-btn:hover {
  background: rgba(127, 175, 212, 0.2);
  border-color: var(--calc-accent);
}

.peptide-calc__preset-btn--active {
  background: var(--calc-accent);
  color: var(--calc-bg-dark);
  border-color: var(--calc-accent);
}

.peptide-calc__preset-btn--active:hover {
  background: var(--calc-accent-hover);
}

/* Form Grid */
.peptide-calc__form {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 1.25rem;
  margin-bottom: 1.75rem;
}

.peptide-calc__field {
  display: flex;
  flex-direction: column;
  gap: 0.4rem;
}

.peptide-calc__field--full {
  grid-column: 1 / -1;
}

.peptide-calc__label {
  font-size: 0.8rem;
  font-weight: 600;
  color: var(--calc-text-muted);
  text-transform: uppercase;
  letter-spacing: 0.04em;
}

.peptide-calc__input-wrap {
  position: relative;
  display: flex;
  align-items: center;
}

.peptide-calc__input {
  font-family: var(--calc-font);
  width: 100%;
  padding: 0.65rem 0.9rem;
  font-size: 1rem;
  color: var(--calc-text-bright);
  background: var(--calc-bg-input);
  border: 1px solid var(--calc-accent-border);
  border-radius: var(--calc-radius-sm);
  outline: none;
  transition: border-color 0.2s ease, box-shadow 0.2s ease;
  -moz-appearance: textfield;
}

.peptide-calc__input::-webkit-outer-spin-button,
.peptide-calc__input::-webkit-inner-spin-button {
  -webkit-appearance: none;
  margin: 0;
}

.peptide-calc__input:focus {
  border-color: var(--calc-accent);
  box-shadow: 0 0 0 3px var(--calc-accent-dim);
}

.peptide-calc__unit {
  position: absolute;
  right: 0.9rem;
  font-size: 0.8rem;
  font-weight: 600;
  color: var(--calc-text-muted);
  pointer-events: none;
}

.peptide-calc__input--with-unit {
  padding-right: 3.2rem;
}

/* Select styling */
.peptide-calc__select {
  font-family: var(--calc-font);
  width: 100%;
  padding: 0.65rem 0.9rem;
  font-size: 1rem;
  color: var(--calc-text-bright);
  background: var(--calc-bg-input);
  border: 1px solid var(--calc-accent-border);
  border-radius: var(--calc-radius-sm);
  outline: none;
  cursor: pointer;
  appearance: none;
  background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='12' height='8' viewBox='0 0 12 8'%3E%3Cpath d='M1 1l5 5 5-5' stroke='%236B82A0' stroke-width='2' fill='none'/%3E%3C/svg%3E");
  background-repeat: no-repeat;
  background-position: right 0.9rem center;
  transition: border-color 0.2s ease, box-shadow 0.2s ease;
}

.peptide-calc__select:focus {
  border-color: var(--calc-accent);
  box-shadow: 0 0 0 3px var(--calc-accent-dim);
}

/* Calculate Button */
.peptide-calc__submit {
  font-family: var(--calc-font);
  grid-column: 1 / -1;
  padding: 0.8rem 1.5rem;
  font-size: 1rem;
  font-weight: 700;
  color: var(--calc-bg-dark);
  background: var(--calc-accent);
  border: none;
  border-radius: var(--calc-radius-sm);
  cursor: pointer;
  transition: background 0.2s ease, transform 0.1s ease;
  text-transform: uppercase;
  letter-spacing: 0.05em;
}

.peptide-calc__submit:hover {
  background: var(--calc-accent-hover);
}

.peptide-calc__submit:active {
  transform: scale(0.98);
}

/* Results Panel */
.peptide-calc__results {
  background: var(--calc-bg-card);
  border: 1px solid var(--calc-accent-border);
  border-radius: var(--calc-radius);
  padding: 1.5rem;
  display: none;
}

.peptide-calc__results--visible {
  display: block;
  animation: calcFadeIn 0.3s ease;
}

@keyframes calcFadeIn {
  from { opacity: 0; transform: translateY(8px); }
  to { opacity: 1; transform: translateY(0); }
}

.peptide-calc__results-title {
  font-size: 0.8rem;
  font-weight: 600;
  color: var(--calc-text-muted);
  text-transform: uppercase;
  letter-spacing: 0.05em;
  margin: 0 0 1rem 0;
}

.peptide-calc__results-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 1rem;
}

.peptide-calc__result-card {
  background: var(--calc-bg-input);
  border-radius: var(--calc-radius-sm);
  padding: 1rem;
  border: 1px solid transparent;
  transition: border-color 0.2s ease;
}

.peptide-calc__result-card:hover {
  border-color: var(--calc-accent-border);
}

.peptide-calc__result-card--highlight {
  border-color: var(--calc-accent);
  background: var(--calc-accent-dim);
}

.peptide-calc__result-label {
  font-size: 0.75rem;
  font-weight: 600;
  color: var(--calc-text-muted);
  text-transform: uppercase;
  letter-spacing: 0.04em;
  margin-bottom: 0.35rem;
}

.peptide-calc__result-value {
  font-size: 1.4rem;
  font-weight: 700;
  color: var(--calc-text-bright);
}

.peptide-calc__result-value span {
  font-size: 0.85rem;
  font-weight: 400;
  color: var(--calc-text-muted);
}

/* Syringe Visual */
.peptide-calc__syringe-note {
  grid-column: 1 / -1;
  margin-top: 0.5rem;
  padding: 0.9rem 1rem;
  background: var(--calc-accent-dim);
  border-left: 3px solid var(--calc-accent);
  border-radius: 0 var(--calc-radius-sm) var(--calc-radius-sm) 0;
  font-size: 0.85rem;
  color: var(--calc-text);
  line-height: 1.5;
}

.peptide-calc__syringe-note strong {
  color: var(--calc-accent);
}

/* Warning */
.peptide-calc__warning {
  grid-column: 1 / -1;
  margin-top: 0.25rem;
  padding: 0.75rem 1rem;
  background: rgba(255, 68, 68, 0.1);
  border-left: 3px solid var(--calc-danger);
  border-radius: 0 var(--calc-radius-sm) var(--calc-radius-sm) 0;
  font-size: 0.8rem;
  color: var(--calc-text);
  display: none;
}

.peptide-calc__warning--visible {
  display: block;
}

/* Syringe SVG Diagram */
.peptide-calc__syringe-diagram {
  grid-column: 1 / -1;
  margin-top: 0.75rem;
  padding: 1.25rem 1rem;
  background: var(--calc-bg-input);
  border-radius: var(--calc-radius-sm);
  border: 1px solid var(--calc-accent-border);
  display: none;
}

.peptide-calc__syringe-diagram--visible {
  display: block;
}

.peptide-calc__syringe-diagram-label {
  font-size: 0.75rem;
  font-weight: 600;
  color: var(--calc-text-muted);
  text-transform: uppercase;
  letter-spacing: 0.04em;
  margin-bottom: 0.75rem;
  text-align: center;
}

.peptide-calc__syringe-svg {
  display: block;
  margin: 0 auto;
  max-width: 100%;
  height: auto;
}

/* Print Button */
.peptide-calc__print-btn {
  grid-column: 1 / -1;
  margin-top: 0.75rem;
  padding: 0.65rem 1.2rem;
  font-family: var(--calc-font);
  font-size: 0.85rem;
  font-weight: 600;
  color: var(--calc-accent);
  background: transparent;
  border: 1px solid var(--calc-accent-border);
  border-radius: var(--calc-radius-sm);
  cursor: pointer;
  transition: all 0.2s ease;
  text-transform: uppercase;
  letter-spacing: 0.04em;
}

.peptide-calc__print-btn:hover {
  background: var(--calc-accent-dim);
  border-color: var(--calc-accent);
}

.peptide-calc__print-btn:active {
  transform: scale(0.98);
}

/* Hidden print container (only visible during print) */
#peptide-calc-print {
  display: none;
}

/* Disclaimer */
.peptide-calc__disclaimer {
  margin-top: 1.5rem;
  padding-top: 1rem;
  border-top: 1px solid var(--calc-accent-border);
  font-size: 0.75rem;
  color: var(--calc-text-muted);
  text-align: center;
  line-height: 1.5;
}

/* Responsive */
@media (max-width: 540px) {
  .peptide-calc {
    padding: 1.25rem;
    margin: 1rem;
  }

  .peptide-calc__form {
    grid-template-columns: 1fr;
  }

  .peptide-calc__results-grid {
    grid-template-columns: 1fr;
  }

  .peptide-calc__title {
    font-size: 1.3rem;
  }

  .peptide-calc__preset-btn {
    padding: 0.4rem 0.9rem;
    font-size: 0.8rem;
  }
}

/* ==========================================================================
   Print Styles — Dosing Card
   ========================================================================== */

@media print {
  /* When printing, body gets this class via JS — hide everything except the print card */
  body.peptide-calc-printing > *:not(#peptide-calc-print) {
    display: none !important;
  }

  body.peptide-calc-printing {
    background: #fff !important;
    margin: 0;
    padding: 0;
  }

  #peptide-calc-print {
    display: block !important;
    position: static;
    width: 100%;
    padding: 0;
    margin: 0;
    background: #fff;
  }

  /* Print card layout */
  .print-card {
    font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, sans-serif;
    color: #1a1a1a;
    max-width: 6.5in;
    margin: 0 auto;
    padding: 0.5in;
    line-height: 1.5;
    box-sizing: border-box;
  }

  .print-card__header {
    display: flex;
    align-items: center;
    justify-content: space-between;
    margin-bottom: 1rem;
    padding-bottom: 0.75rem;
    border-bottom: 2px solid #2B6BC0;
  }

  .print-card__logo {
    width: 140px;
    height: auto;
    flex-shrink: 0;
  }

  .print-card__header-center {
    text-align: center;
    flex: 1;
    padding: 0 1rem;
  }

  .print-card__qr {
    width: 80px;
    height: auto;
    flex-shrink: 0;
  }

  .print-card__title {
    font-size: 1.5rem;
    font-weight: 700;
    color: #1a1a1a;
    margin: 0 0 0.25rem 0;
  }

  .print-card__peptide {
    font-size: 1.1rem;
    font-weight: 600;
    color: #2B6BC0;
    margin: 0;
  }

  .print-card__highlight {
    text-align: center;
    font-size: 1.05rem;
    padding: 0.75rem 1rem;
    margin: 1rem 0;
    background: #F0F4FA;
    border: 1px solid #2B6BC0;
    border-radius: 6px;
    color: #1a1a1a;
  }

  .print-card__highlight strong {
    color: #2B6BC0;
    font-size: 1.15rem;
  }

  .print-card__syringe {
    margin: 1rem 0;
    text-align: center;
  }

  .print-card__syringe svg {
    max-width: 100%;
    height: auto;
  }

  .print-card__table {
    width: 100%;
    border-collapse: collapse;
    margin: 1rem 0;
    font-size: 0.9rem;
  }

  .print-card__table td {
    padding: 0.4rem 0.75rem;
    border-bottom: 1px solid #ddd;
  }

  .print-card__table tr:last-child td {
    border-bottom: none;
  }

  .print-card__table td:first-child {
    color: #555;
    width: 55%;
  }

  .print-card__table td:last-child {
    text-align: right;
    font-weight: 400;
  }

  .print-card__table td:last-child strong {
    color: #1a1a1a;
  }

  .print-card__notes {
    margin: 1rem 0;
    padding: 0.6rem 0.8rem;
    background: #F7F9FC;
    border-left: 3px solid #2B6BC0;
    font-size: 0.85rem;
    color: #444;
  }

  .print-card__footer {
    margin-top: 1.5rem;
    padding-top: 0.75rem;
    border-top: 1px solid #ccc;
    text-align: center;
    font-size: 0.75rem;
    color: #888;
  }

  .print-card__footer p {
    margin: 0.15rem 0;
  }
}