/* ============================================
   hcPDF — Medical Prescription PDF Generator
   ============================================ */

:root {
  /* Primary — teal from HC/ICHC branding */
  --teal-50: #EFFAF9;
  --teal-100: #D5F2F0;
  --teal-200: #A8E5E1;
  --teal-500: #0FA3A3;
  --teal-600: #0B7A75;
  --teal-700: #086561;
  --teal-800: #054F4C;

  /* Neutral warm tones */
  --warm-50: #FAF9F6;
  --warm-100: #F6F5F2;
  --warm-150: #F0EFEC;
  --warm-200: #E8E6E1;
  --warm-300: #D4D1CB;
  --warm-400: #B0ADA6;
  --warm-500: #8A8680;
  --warm-600: #6B6862;
  --warm-700: #4A4741;
  --warm-800: #33312C;
  --warm-900: #1E1D1B;

  /* Navy */
  --navy-900: #1A2332;

  /* Functional */
  --color-error: #C53030;

  /* Typography */
  --font-display: 'Crimson Pro', 'Georgia', 'Times New Roman', serif;
  --font-body: 'Plus Jakarta Sans', 'Segoe UI', system-ui, -apple-system, sans-serif;

  /* Spacing */
  --space-xs: 4px;
  --space-sm: 8px;
  --space-md: 16px;
  --space-lg: 24px;
  --space-xl: 32px;
  --space-2xl: 48px;

  /* Borders & Shadows */
  --radius-sm: 6px;
  --radius-md: 10px;
  --radius-lg: 14px;
  --shadow-card: 0 1px 2px rgba(26, 35, 50, 0.04),
                 0 4px 14px rgba(26, 35, 50, 0.06),
                 0 10px 40px rgba(26, 35, 50, 0.06);

  /* Motion */
  --ease-out: cubic-bezier(0.16, 1, 0.3, 1);
  --transition-fast: 150ms var(--ease-out);
  --transition-normal: 250ms var(--ease-out);
}


/* ---- Reset ---- */

*, *::before, *::after {
  box-sizing: border-box;
  margin: 0;
  padding: 0;
}

html {
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
  text-rendering: optimizeLegibility;
}


/* ---- Body ---- */

body {
  font-family: var(--font-body);
  font-size: 15px;
  line-height: 1.6;
  color: var(--warm-900);
  background-color: var(--warm-100);
  background-image:
    radial-gradient(circle at 1px 1px, rgba(11, 122, 117, 0.025) 1px, transparent 0);
  background-size: 20px 20px;
  min-height: 100vh;
  display: flex;
  flex-direction: column;
}


/* ---- Header ---- */

.site-header {
  padding: var(--space-xl) var(--space-lg) var(--space-md);
  text-align: center;
}

.header-inner {
  max-width: 700px;
  margin: 0 auto;
}

.site-title {
  font-family: var(--font-display);
  font-size: 2.6rem;
  font-weight: 700;
  letter-spacing: -0.03em;
  color: var(--navy-900);
  line-height: 1.1;
}

.title-accent {
  color: var(--teal-600);
}

.site-subtitle {
  font-size: 0.92rem;
  color: var(--warm-500);
  font-weight: 500;
  margin-top: var(--space-xs);
  letter-spacing: 0.01em;
}


/* ---- Main ---- */

.main {
  flex: 1;
  padding: var(--space-md) var(--space-lg) var(--space-2xl);
}


/* ---- Form Card ---- */

.form-card {
  max-width: 700px;
  margin: 0 auto;
  background: white;
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow-card);
  border-top: 3px solid var(--teal-600);
  overflow: hidden;
}


/* ---- Form Sections ---- */

.form-section {
  padding: var(--space-lg) var(--space-xl);
  border-bottom: 1px solid var(--warm-150);
  animation: fadeInUp 0.45s var(--ease-out) both;
}

.form-section:nth-child(1) { animation-delay: 0.02s; }
.form-section:nth-child(2) { animation-delay: 0.06s; }
.form-section:nth-child(3) { animation-delay: 0.10s; }
.form-section:nth-child(4) { animation-delay: 0.14s; }
.form-section:nth-child(5) { animation-delay: 0.18s; }
.form-section:nth-child(6) { animation-delay: 0.22s; }

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


/* ---- Section Title ---- */

.section-title {
  font-family: var(--font-body);
  font-size: 0.7rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.1em;
  color: var(--teal-600);
  margin-bottom: var(--space-md);
}


/* ---- Labels ---- */

.field-label {
  display: block;
  font-size: 0.85rem;
  font-weight: 600;
  color: var(--warm-700);
  margin-bottom: var(--space-sm);
}

.required {
  color: var(--color-error);
  font-weight: 400;
}


/* ---- Inputs ---- */

.field-input {
  display: block;
  width: 100%;
  padding: 10px 14px;
  font-family: var(--font-body);
  font-size: 0.95rem;
  color: var(--warm-900);
  background: var(--warm-50);
  border: 1.5px solid var(--warm-200);
  border-radius: var(--radius-sm);
  outline: none;
  transition: border-color var(--transition-fast),
              box-shadow var(--transition-fast),
              background-color var(--transition-fast);
}

.field-input:hover {
  border-color: var(--warm-300);
}

.field-input:focus {
  border-color: var(--teal-500);
  box-shadow: 0 0 0 3px rgba(11, 122, 117, 0.1);
  background: white;
}

.field-input::placeholder {
  color: var(--warm-400);
}

textarea.field-input {
  resize: vertical;
  min-height: 60px;
  line-height: 1.55;
}

.field-input:disabled {
  opacity: 0.5;
  cursor: not-allowed;
}

.field-input-extra {
  margin-top: var(--space-sm);
}

.field-input.input-error {
  border-color: var(--color-error);
  box-shadow: 0 0 0 3px rgba(197, 48, 48, 0.08);
}

.field-error {
  display: block;
  font-size: 0.8rem;
  color: var(--color-error);
  margin-top: var(--space-xs);
  font-weight: 500;
}


/* ---- Field Rows (two-column) ---- */

.field-row {
  display: flex;
  gap: var(--space-lg);
}

.field-group {
  min-width: 0;
}

.field-grow {
  flex: 1;
}

.field-row-optional {
  margin-top: var(--space-md);
}

.field-label-checkbox {
  display: flex;
  align-items: center;
  gap: var(--space-xs);
  cursor: pointer;
  user-select: none;
}

.field-checkbox {
  accent-color: var(--teal-600);
  width: 16px;
  height: 16px;
  cursor: pointer;
}


/* ---- Logo Picker ---- */

.logos-row {
  display: flex;
  gap: var(--space-lg);
  flex-wrap: wrap;
}

.logo-slot {
  flex: 1;
  min-width: 200px;
}

.logo-slot-label {
  display: block;
  font-size: 0.85rem;
  font-weight: 600;
  color: var(--warm-700);
  margin-bottom: var(--space-sm);
}

.logo-picker {
  display: flex;
  gap: 8px;
  flex-wrap: wrap;
}

/* Each selectable option */
.logo-option {
  width: 72px;
  height: 64px;
  border: 2px solid var(--warm-200);
  border-radius: var(--radius-sm);
  background: white;
  cursor: pointer;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  padding: 6px;
  transition: border-color var(--transition-fast),
              background-color var(--transition-fast),
              box-shadow var(--transition-fast);
  position: relative;
  overflow: hidden;
  font-family: var(--font-body);
}

.logo-option:hover {
  border-color: var(--teal-500);
  background: var(--teal-50);
}

.logo-option.selected {
  border-color: var(--teal-600);
  background: var(--teal-50);
  box-shadow: 0 0 0 3px rgba(11, 122, 117, 0.1);
}

.logo-option img {
  max-width: 100%;
  max-height: 100%;
  object-fit: contain;
}

/* "Nenhum" option */
.logo-option-none {
  color: var(--warm-400);
  font-size: 0.72rem;
  font-weight: 500;
  text-align: center;
  line-height: 1.2;
}

.logo-option-none svg {
  width: 20px;
  height: 20px;
  margin-bottom: 2px;
  stroke: var(--warm-300);
}

.logo-option.selected .logo-option-none svg {
  stroke: var(--teal-500);
}

/* "Outro" upload option */
.logo-option-upload {
  border-style: dashed;
  cursor: pointer;
}

.logo-option-upload svg {
  width: 20px;
  height: 20px;
  stroke: var(--warm-400);
  transition: stroke var(--transition-fast);
}

.logo-option-upload:hover svg {
  stroke: var(--teal-500);
}

.logo-option-upload .logo-option-label {
  font-size: 0.68rem;
  color: var(--warm-400);
  margin-top: 2px;
}

/* Hidden file input inside upload option */
.file-input-hidden {
  position: absolute;
  inset: 0;
  opacity: 0;
  cursor: pointer;
  z-index: 1;
}


/* ---- Actions ---- */

.form-actions {
  display: flex;
  gap: var(--space-md);
  padding: var(--space-lg) var(--space-xl);
  background: var(--warm-50);
  border-top: 1px solid var(--warm-150);
  justify-content: flex-end;
  animation: fadeInUp 0.45s var(--ease-out) 0.28s both;
}


/* ---- Buttons ---- */

.btn {
  display: inline-flex;
  align-items: center;
  gap: var(--space-sm);
  padding: 11px 24px;
  font-family: var(--font-body);
  font-size: 0.9rem;
  font-weight: 600;
  border: 2px solid transparent;
  border-radius: var(--radius-sm);
  cursor: pointer;
  transition: all var(--transition-fast);
  white-space: nowrap;
}

.btn svg {
  width: 18px;
  height: 18px;
  flex-shrink: 0;
}

.btn-primary {
  background: var(--teal-600);
  color: white;
  border-color: var(--teal-600);
}

.btn-primary:hover {
  background: var(--teal-700);
  border-color: var(--teal-700);
  box-shadow: 0 2px 10px rgba(11, 122, 117, 0.3);
  transform: translateY(-1px);
}

.btn-primary:active {
  transform: translateY(0);
  box-shadow: none;
}

.btn-secondary {
  background: white;
  color: var(--teal-600);
  border-color: var(--teal-600);
}

.btn-secondary:hover {
  background: var(--teal-50);
  box-shadow: 0 2px 8px rgba(11, 122, 117, 0.12);
  transform: translateY(-1px);
}

.btn-secondary:active {
  transform: translateY(0);
  box-shadow: none;
}


/* ---- Footer ---- */

.site-footer {
  text-align: center;
  padding: var(--space-lg);
  color: var(--warm-400);
  font-size: 0.8rem;
}


/* ---- Responsive ---- */

@media (max-width: 600px) {
  .site-header {
    padding: var(--space-lg) var(--space-md) var(--space-sm);
  }

  .site-title {
    font-size: 2rem;
  }

  .main {
    padding: var(--space-sm) var(--space-md) var(--space-xl);
  }

  .form-section {
    padding: var(--space-md) var(--space-lg);
  }

  .field-row {
    flex-direction: column;
    gap: var(--space-md);
  }

  .logos-row {
    flex-direction: column;
    gap: var(--space-md);
  }

  .form-actions {
    flex-direction: column-reverse;
    padding: var(--space-md) var(--space-lg);
  }

  .btn {
    width: 100%;
    justify-content: center;
  }
}