/* ===== Design Tokens ===== */
:root {
  --primary: #007bff;
  --primary-dark: #0056b3;
  --primary-light: #e8f4fd;
  --primary-subtle: #f0f7ff;
  --success: #28a745;
  --success-light: #e8f5e9;
  --danger: #dc3545;
  --danger-light: #fde8ea;
  --warning: #f59e0b;

  --text: #1e293b;
  --text-secondary: #475569;
  --text-muted: #94a3b8;
  --bg: #f1f5f9;
  --card: #ffffff;
  --border: #e2e8f0;
  --border-focus: #007bff;
  --input-bg: #ffffff;
  --input-border: #cbd5e1;
  --readonly-bg: #f1f5f9;
  --readonly-border: #cbd5e1;

  --radius-sm: 6px;
  --radius: 10px;
  --radius-lg: 14px;
  --shadow-sm: 0 1px 2px rgba(0, 0, 0, 0.05);
  --shadow: 0 1px 3px rgba(0, 0, 0, 0.06), 0 2px 8px rgba(0, 0, 0, 0.04);
  --shadow-lg: 0 4px 12px rgba(0, 0, 0, 0.08), 0 1px 3px rgba(0, 0, 0, 0.04);
  --transition: 0.2s ease;
  --font: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, 'Helvetica Neue', Arial, sans-serif;
}

/* ===== Reset & Base ===== */
*,
*::before,
*::after {
  box-sizing: border-box;
}

body {
  font-family: var(--font);
  background-color: var(--bg);
  color: var(--text);
  margin: 0;
  padding: 16px;
  min-height: 100vh;
  display: flex;
  justify-content: center;
  align-items: flex-start;
  -webkit-font-smoothing: antialiased;
}

/* ===== Container ===== */
.container {
  background-color: var(--card);
  border-radius: var(--radius-lg);
  width: 100%;
  max-width: 640px;
  margin: 16px auto;
  box-shadow: var(--shadow-lg);
  overflow: hidden;
}

/* ===== Header ===== */
.form-header {
  background: linear-gradient(135deg, var(--primary) 0%, var(--primary-dark) 100%);
  padding: 28px 24px 24px;
  text-align: center;
  color: #fff;
}

.brand-top-section {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 12px;
  margin-bottom: 12px;
}

.company-logo {
  max-width: 48px;
  height: auto;
  border-radius: 8px;
}

.company-name {
  font-size: 1.5rem;
  font-weight: 700;
  color: #fff;
  letter-spacing: -0.02em;
}

.form-header h1 {
  font-size: 1.25rem;
  font-weight: 500;
  color: rgba(255, 255, 255, 0.9);
  margin: 0;
  line-height: 1.4;
}

/* ===== Main Content ===== */
.main-form-content {
  padding: 24px 20px 28px;
}

/* ===== Sections ===== */
.form-section {
  margin-bottom: 24px;
  padding: 0;
  background: none;
  border: none;
  border-radius: 0;
}

.form-section h2 {
  font-size: 1rem;
  font-weight: 700;
  color: var(--text);
  text-transform: uppercase;
  letter-spacing: 0.04em;
  margin: 0 0 16px 0;
  padding-bottom: 10px;
  border-bottom: 2px solid var(--primary);
  display: inline-block;
}

.form-section h3 {
  font-size: 0.875rem;
  font-weight: 600;
  color: var(--text-secondary);
  margin: 20px 0 12px 0;
  padding-bottom: 8px;
  border-bottom: 1px solid var(--border);
}

/* ===== Form Groups ===== */
.form-group {
  margin-bottom: 16px;
}

.form-group > label {
  display: block;
  margin-bottom: 6px;
  font-weight: 600;
  font-size: 0.875rem;
  color: var(--text-secondary);
}

.required-mark {
  color: var(--danger);
  margin-left: 2px;
  font-weight: 700;
}

/* ===== Inputs ===== */
.form-group input[type="text"],
.form-group input[type="email"],
.form-group input[type="date"],
.form-group textarea {
  width: 100%;
  padding: 12px 14px;
  border: 1.5px solid var(--input-border);
  border-radius: var(--radius-sm);
  background: var(--input-bg);
  font-size: 1rem;
  color: var(--text);
  font-family: var(--font);
  transition: border-color var(--transition), box-shadow var(--transition);
  outline: none;
}

.form-group input[type="text"]:focus,
.form-group input[type="email"]:focus,
.form-group textarea:focus {
  border-color: var(--border-focus);
  box-shadow: 0 0 0 3px rgba(0, 123, 255, 0.12);
}

.form-group input[type="text"]::placeholder,
.form-group input[type="email"]::placeholder,
.form-group textarea::placeholder {
  color: var(--text-muted);
}

/* ===== Readonly Fields (CEP auto-fill) ===== */
.form-group input[readonly] {
  background-color: var(--readonly-bg);
  border-color: var(--readonly-border);
  color: var(--text-secondary);
  cursor: default;
}

.form-group input[readonly]:focus {
  border-color: var(--readonly-border);
  box-shadow: none;
}

.readonly-wrapper {
  position: relative;
}

.readonly-wrapper input {
  padding-right: 36px;
}

.readonly-wrapper .readonly-icon {
  position: absolute;
  right: 12px;
  top: 50%;
  transform: translateY(-50%);
  color: var(--text-muted);
  font-size: 0.75rem;
  pointer-events: none;
}

/* ===== CEP Loading State ===== */
.cep-input.loading {
  background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='20' height='20' viewBox='0 0 24 24'%3E%3Ccircle cx='12' cy='12' r='10' stroke='%23007bff' stroke-width='2' fill='none' stroke-dasharray='32' stroke-linecap='round'%3E%3CanimateTransform attributeName='transform' type='rotate' from='0 12 12' to='360 12 12' dur='0.8s' repeatCount='indefinite'/%3E%3C/circle%3E%3C/svg%3E");
  background-repeat: no-repeat;
  background-position: right 10px center;
  background-size: 18px;
  padding-right: 36px;
}

/* ===== Validation States ===== */
.form-group input.valid {
  border-color: var(--success);
}

.form-group input.valid:focus {
  box-shadow: 0 0 0 3px rgba(40, 167, 69, 0.12);
}

.form-group input.invalid,
.form-group textarea.invalid {
  border-color: var(--danger);
}

.form-group input.invalid:focus,
.form-group textarea.invalid:focus {
  box-shadow: 0 0 0 3px rgba(220, 53, 69, 0.12);
}

.form-group textarea.valid {
  border-color: var(--success);
}

/* ===== Feedback Messages ===== */
.feedback-message {
  font-size: 0.8rem;
  color: var(--danger);
  margin-top: 4px;
  display: block;
  min-height: 1.2em;
}

.help-text {
  font-size: 0.8rem;
  color: var(--text-muted);
  margin-top: 4px;
  display: block;
  line-height: 1.4;
}

.help-text strong {
  color: var(--primary);
}

/* ===== Option Cards (Radio & Checkbox) ===== */
.option-group {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
}

.option-group.option-group--vertical {
  flex-direction: column;
}

.option-card {
  position: relative;
  flex: 1;
  min-width: 0;
}

.option-group--vertical .option-card {
  flex: none;
  width: 100%;
}

.option-card input[type="radio"],
.option-card input[type="checkbox"] {
  position: absolute;
  opacity: 0;
  pointer-events: none;
}

.option-card label {
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 10px 16px;
  border: 1.5px solid var(--border);
  border-radius: var(--radius-sm);
  background: var(--card);
  font-size: 0.875rem;
  font-weight: 500;
  color: var(--text-secondary);
  cursor: pointer;
  transition: all var(--transition);
  text-align: center;
  min-height: 44px;
  user-select: none;
}

.option-card label:hover {
  border-color: var(--primary);
  background: var(--primary-subtle);
  color: var(--primary);
}

.option-card input:checked + label {
  border-color: var(--primary);
  background: var(--primary-light);
  color: var(--primary);
  font-weight: 600;
  box-shadow: 0 0 0 1px var(--primary);
}

.option-card input:focus-visible + label {
  outline: 2px solid var(--primary);
  outline-offset: 2px;
}

/* ===== Legacy Radio Group (compat for empresa radios) ===== */
.radio-group {
  display: grid;
  grid-template-columns: max-content 1fr;
  gap: 8px 12px;
  align-items: center;
}

.radio-group input[type="radio"],
.radio-group input[type="checkbox"] {
  width: 18px;
  height: 18px;
  cursor: pointer;
  accent-color: var(--primary);
}

.radio-group label {
  margin-bottom: 0;
  font-weight: 500;
  color: var(--text);
  cursor: pointer;
  line-height: 1.3;
  font-size: 0.9rem;
}

.label-outro-container {
  display: flex;
  align-items: center;
  gap: 10px;
  width: 100%;
}

#empresaOutroTexto {
  flex: 1;
  min-width: 150px;
  padding: 8px 12px;
  height: 38px;
  border: 1.5px solid var(--input-border);
  border-radius: var(--radius-sm);
  font-size: 0.9rem;
  font-family: var(--font);
  margin-top: 0;
  transition: border-color var(--transition);
}

#empresaOutroTexto:focus {
  border-color: var(--border-focus);
  box-shadow: 0 0 0 3px rgba(0, 123, 255, 0.12);
  outline: none;
}

/* ===== ICMS IE Container ===== */
#containerIE {
  margin-top: 12px;
  padding: 12px 16px;
  background: var(--primary-subtle);
  border-radius: var(--radius-sm);
  border: 1px solid var(--primary-light);
}

/* ===== Upload Area ===== */
.upload-section {
  margin-bottom: 24px;
}

.upload-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 16px;
}

.upload-area {
  border: 2px dashed var(--border);
  border-radius: var(--radius);
  padding: 24px 16px;
  text-align: center;
  cursor: pointer;
  transition: all var(--transition);
  position: relative;
  background: var(--card);
}

.upload-area:hover {
  border-color: var(--primary);
  background: var(--primary-subtle);
}

.upload-area.dragover {
  border-color: var(--primary);
  background: var(--primary-light);
  box-shadow: 0 0 0 3px rgba(0, 123, 255, 0.12);
}

.upload-area.has-file {
  border-style: solid;
  border-color: var(--success);
  background: var(--success-light);
  cursor: default;
}

.upload-area.upload-missing {
  border-color: var(--danger);
  background: var(--danger-light);
}

.upload-area input[type="file"] {
  position: absolute;
  inset: 0;
  opacity: 0;
  cursor: pointer;
  z-index: 2;
}

.upload-area.has-file input[type="file"] {
  pointer-events: none;
}

.upload-placeholder {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 8px;
  pointer-events: none;
}

.upload-icon {
  width: 36px;
  height: 36px;
  color: var(--text-muted);
}

.upload-area:hover .upload-icon {
  color: var(--primary);
}

.upload-label {
  font-size: 0.875rem;
  font-weight: 600;
  color: var(--text-secondary);
}

.upload-hint {
  font-size: 0.75rem;
  color: var(--text-muted);
}

/* Upload Preview */
.upload-preview {
  display: none;
  flex-direction: column;
  align-items: center;
  gap: 8px;
}

.upload-area.has-file .upload-placeholder {
  display: none;
}

.upload-area.has-file .upload-preview {
  display: flex;
}

.upload-preview img {
  max-width: 120px;
  max-height: 80px;
  border-radius: var(--radius-sm);
  object-fit: cover;
  border: 1px solid var(--border);
}

.upload-preview .file-info {
  font-size: 0.8rem;
  color: var(--text-secondary);
  font-weight: 500;
  word-break: break-all;
  max-width: 100%;
  text-align: center;
}

.upload-preview .pdf-icon {
  width: 40px;
  height: 48px;
  color: var(--danger);
}

.upload-remove {
  background: var(--danger);
  color: #fff;
  border: none;
  border-radius: var(--radius-sm);
  padding: 6px 14px;
  font-size: 0.75rem;
  font-weight: 600;
  cursor: pointer;
  transition: background var(--transition);
  position: relative;
  z-index: 3;
}

.upload-remove:hover {
  background: #c82333;
}

.upload-error {
  font-size: 0.8rem;
  color: var(--danger);
  margin-top: 4px;
  display: none;
}

.upload-error.show {
  display: block;
}

.upload-field-label {
  font-weight: 600;
  font-size: 0.875rem;
  color: var(--text-secondary);
  margin-bottom: 8px;
  display: block;
}

.upload-reminder {
  background: var(--primary-subtle);
  border: 1px solid var(--primary-light);
  border-radius: var(--radius-sm);
  padding: 10px 14px;
  font-size: 0.8rem;
  color: var(--primary-dark);
  font-weight: 500;
  margin-bottom: 16px;
  line-height: 1.4;
}

.upload-missing {
  border-color: var(--danger);
  background: var(--danger-light);
}

.camera-btn {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 6px;
  width: 100%;
  margin-top: 8px;
  padding: 10px 14px;
  background: var(--card);
  border: 1.5px solid var(--border);
  border-radius: var(--radius-sm);
  font-size: 0.8rem;
  font-weight: 600;
  color: var(--text-secondary);
  cursor: pointer;
  transition: all var(--transition);
  font-family: var(--font);
}

.camera-btn svg {
  width: 16px;
  height: 16px;
  flex-shrink: 0;
}

.camera-btn:hover {
  border-color: var(--primary);
  color: var(--primary);
  background: var(--primary-subtle);
}

.camera-modal {
  display: none;
  position: fixed;
  inset: 0;
  z-index: 9999;
  background: rgba(0, 0, 0, 0.95);
  align-items: center;
  justify-content: center;
}

.camera-modal.active {
  display: flex;
}

.camera-modal-content {
  width: 100%;
  max-width: 640px;
  display: flex;
  flex-direction: column;
  align-items: center;
  padding: 16px;
  max-height: 100vh;
  max-height: 100dvh;
}

.camera-viewfinder {
  position: relative;
  width: 100%;
  border-radius: var(--radius);
  overflow: hidden;
  background: #000;
  aspect-ratio: 4 / 3;
}

.camera-viewfinder video {
  width: 100%;
  height: 100%;
  object-fit: cover;
  display: block;
}

.camera-guide {
  position: absolute;
  inset: 0;
  display: flex;
  align-items: center;
  justify-content: center;
  flex-direction: column;
  gap: 12px;
  pointer-events: none;
}

.camera-guide-rect {
  width: 82%;
  height: 56%;
  border: 2.5px solid rgba(255, 255, 255, 0.7);
  border-radius: 12px;
  box-shadow: 0 0 0 3000px rgba(0, 0, 0, 0.35);
}

.camera-guide-text {
  color: rgba(255, 255, 255, 0.85);
  font-size: 0.8rem;
  font-weight: 500;
  text-align: center;
  text-shadow: 0 1px 4px rgba(0, 0, 0, 0.6);
  padding: 0 20px;
}

.camera-preview-container {
  width: 100%;
  border-radius: var(--radius);
  overflow: hidden;
  background: #000;
  text-align: center;
}

.camera-preview-container img {
  width: 100%;
  max-height: 60vh;
  object-fit: contain;
  display: block;
}

.camera-preview-question {
  color: #fff;
  font-size: 0.9rem;
  font-weight: 500;
  padding: 12px 0 4px;
  margin: 0;
}

.camera-actions {
  display: flex;
  gap: 12px;
  width: 100%;
  margin-top: 16px;
}

.camera-action-btn {
  flex: 1;
  padding: 14px 16px;
  border: none;
  border-radius: var(--radius);
  font-size: 0.9rem;
  font-weight: 700;
  cursor: pointer;
  font-family: var(--font);
  transition: all var(--transition);
}

.camera-action-btn--cancel {
  background: rgba(255, 255, 255, 0.15);
  color: #fff;
}

.camera-action-btn--cancel:hover {
  background: rgba(255, 255, 255, 0.25);
}

.camera-action-btn--capture {
  background: #fff;
  color: #111;
}

.camera-action-btn--capture:hover {
  background: #e8e8e8;
}

.camera-action-btn--confirm {
  background: var(--success);
  color: #fff;
}

.camera-action-btn--confirm:hover {
  background: #218838;
}

.kits-group {
  display: flex;
  flex-direction: column;
  gap: 6px;
  margin-top: 8px;
}

.kit-row {
  display: flex;
  align-items: center;
  gap: 8px;
  padding: 8px 12px;
  border-radius: var(--radius-sm);
  transition: background var(--transition);
}

.kit-row:hover {
  background: var(--primary-subtle);
}

.kit-row input[type="checkbox"] {
  width: 18px;
  height: 18px;
  flex-shrink: 0;
  cursor: pointer;
  accent-color: var(--primary);
}

.kit-row > label {
  font-size: 0.9rem;
  font-weight: 500;
  color: var(--text);
  cursor: pointer;
  margin: 0;
  white-space: nowrap;
}

.btn-ver-foto {
  font-size: 0.75rem;
  font-weight: 600;
  color: var(--primary);
  cursor: help;
  white-space: nowrap;
  margin-left: auto;
  position: relative;
}

.btn-ver-foto:hover {
  color: var(--primary-dark);
  text-decoration: underline;
}

.foto-hover-preview {
  display: none;
  position: absolute;
  bottom: calc(100% + 8px);
  right: 0;
  width: 220px;
  max-height: 260px;
  object-fit: contain;
  background: #fff;
  border-radius: var(--radius);
  box-shadow: 0 8px 24px rgba(0, 0, 0, 0.2);
  border: 2px solid var(--border);
  z-index: 100;
  pointer-events: none;
}

.btn-ver-foto:hover .foto-hover-preview {
  display: block;
}

@media (max-width: 639px) {
  .foto-hover-preview {
    position: fixed;
    bottom: auto;
    right: auto;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
    width: 260px;
    max-height: 300px;
    z-index: 9999;
  }
}

.outro-text-input {
  flex: 1;
  min-width: 120px;
  padding: 8px 12px;
  border: 1.5px solid var(--input-border);
  border-radius: var(--radius-sm);
  font-size: 0.875rem;
  font-family: var(--font);
  color: var(--text);
  outline: none;
  transition: border-color var(--transition);
}

.outro-text-input:focus {
  border-color: var(--border-focus);
  box-shadow: 0 0 0 3px rgba(0, 123, 255, 0.12);
}

/* ===== Submit Button ===== */
.g-recaptcha {
  width: 100%;
  padding: 14px 24px;
  background: linear-gradient(135deg, var(--primary) 0%, var(--primary-dark) 100%);
  color: #ffffff;
  border: none;
  border-radius: var(--radius);
  font-size: 1rem;
  font-weight: 700;
  cursor: pointer;
  transition: all var(--transition);
  box-shadow: 0 2px 8px rgba(0, 123, 255, 0.25);
  display: block;
  letter-spacing: 0.02em;
}

.g-recaptcha:hover {
  box-shadow: 0 4px 16px rgba(0, 123, 255, 0.35);
  transform: translateY(-1px);
}

.g-recaptcha:active {
  transform: translateY(0);
  box-shadow: 0 1px 4px rgba(0, 123, 255, 0.2);
}

/* ===== Section Tag ===== */
.section-tag {
  display: inline-block;
  font-size: 0.7rem;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.06em;
  padding: 3px 8px;
  border-radius: 4px;
  margin-bottom: 8px;
}

.section-tag--optional {
  background: var(--primary-subtle);
  color: var(--primary);
}

/* ===== Address Grid ===== */
.address-row {
  display: grid;
  grid-template-columns: 1fr;
  gap: 16px;
}

/* ===== Section Divider ===== */
.section-divider {
  height: 1px;
  background: var(--border);
  margin: 24px 0;
  border: none;
}

/* ===== Desktop ===== */
@media (min-width: 640px) {
  body {
    padding: 24px;
  }

  .container {
    margin: 32px auto;
  }

  .form-header {
    padding: 32px 32px 28px;
  }

  .company-logo {
    max-width: 56px;
  }

  .company-name {
    font-size: 1.75rem;
  }

  .form-header h1 {
    font-size: 1.35rem;
  }

  .main-form-content {
    padding: 28px 32px 32px;
  }

  .upload-grid {
    grid-template-columns: 1fr 1fr;
  }

  .address-row {
    grid-template-columns: 1fr 1fr;
  }

  .address-row--3 {
    grid-template-columns: 100px 1fr 1fr;
  }
}

/* ===== Ensure touch targets ===== */
@media (max-width: 639px) {
  .option-card label {
    min-height: 48px;
    padding: 12px 16px;
  }

  .form-group input[type="text"],
  .form-group input[type="email"],
  .form-group textarea {
    padding: 14px;
    font-size: 1rem;
  }

  .g-recaptcha {
    padding: 16px;
    font-size: 1rem;
  }
}

/* ===== Textarea ===== */
.form-group textarea {
  resize: vertical;
  min-height: 80px;
}

/* ===== Hide cliente campos by default ===== */
.cliente-campos {
  display: none;
}