/* ============================================================
   CONSTRUTOR DE DESIGN SYSTEM — CSS
   Tema Claro, Simples e Funcional
   ============================================================ */

@import url('https://fonts.googleapis.com/css2?family=Inter:wght@400;500;600;700&family=JetBrains+Mono:wght@400;500&display=swap');

:root {
  --bg-page: #f9fafb;
  --bg-card: #ffffff;
  --text-main: #111827;
  --text-muted: #4b5563;
  --text-light: #9ca3af;
  --border-color: #e5e7eb;
  --border-focus: #3b82f6;
  --primary: #2563eb;
  --primary-hover: #1d4ed8;
  --danger: #ef4444;
  --danger-hover: #dc2626;
  --radius: 4px;
  --font-ui: 'Inter', sans-serif;
  --font-mono: 'JetBrains Mono', monospace;
}

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

body {
  font-family: var(--font-ui);
  background-color: var(--bg-page);
  color: var(--text-main);
  line-height: 1.5;
  padding: 2rem 1rem;
}

.container {
  max-width: 800px;
  margin: 0 auto;
}

header {
  margin-bottom: 2rem;
  text-align: center;
}

header h1 {
  font-size: 1.75rem;
  margin-bottom: 0.5rem;
}

header p {
  color: var(--text-muted);
}

fieldset {
  background: var(--bg-card);
  border: 1px solid var(--border-color);
  border-radius: var(--radius);
  padding: 1.5rem;
  margin-bottom: 1.5rem;
}

legend {
  font-weight: 600;
  font-size: 1.1rem;
  padding: 0 0.5rem;
  color: var(--text-main);
}

.form-group {
  margin-bottom: 1rem;
}

.form-row {
  display: flex;
  gap: 1rem;
  margin-bottom: 1rem;
}

.form-row .form-group {
  flex: 1;
  margin-bottom: 0;
}

label {
  display: block;
  font-weight: 500;
  margin-bottom: 0.25rem;
  font-size: 0.9rem;
}

label .required {
  color: var(--danger);
}

.hint {
  display: block;
  font-size: 0.8rem;
  color: var(--text-muted);
  margin-bottom: 0.5rem;
}

input[type="text"],
input[type="url"],
input[type="date"],
select,
textarea {
  width: 100%;
  padding: 0.5rem;
  border: 1px solid var(--border-color);
  border-radius: var(--radius);
  font-family: var(--font-ui);
  font-size: 0.9rem;
}

input:focus,
select:focus,
textarea:focus {
  outline: none;
  border-color: var(--border-focus);
}

textarea {
  resize: vertical;
  min-height: 80px;
}

/* Checkbox groups & range slider */
.checkbox-group {
  display: flex;
  flex-wrap: wrap;
  gap: 1rem;
}

.checkbox-inline {
  display: flex;
  align-items: center;
  gap: 0.35rem;
  font-weight: 400;
  margin-bottom: 0;
}

.checkbox-inline input {
  width: auto;
}

input[type="range"] {
  width: 100%;
  padding: 0;
  accent-color: var(--primary);
}

/* Dynamic Lists */
.dynamic-list {
  display: flex;
  flex-direction: column;
  gap: 0.5rem;
  margin-bottom: 0.5rem;
}

.dynamic-item {
  display: flex;
  gap: 0.5rem;
  align-items: flex-start;
}

.dynamic-item-pair {
  display: flex;
  gap: 0.5rem;
  flex: 1;
}

.dynamic-item input,
.dynamic-item textarea {
  flex: 1;
}

button {
  cursor: pointer;
  font-family: var(--font-ui);
  border: none;
  border-radius: var(--radius);
  padding: 0.5rem 1rem;
  font-size: 0.9rem;
  font-weight: 500;
}

.btn-add {
  background: transparent;
  border: 1px solid var(--border-color);
  color: var(--text-main);
  padding: 0.25rem 0.5rem;
  font-size: 0.8rem;
}

.btn-add:hover {
  background: var(--bg-page);
}

.btn-remove {
  background: var(--danger);
  color: #fff;
  padding: 0.5rem;
  line-height: 1;
}

.btn-remove:hover {
  background: var(--danger-hover);
}

/* Actions */
.form-actions {
  display: flex;
  gap: 1rem;
  justify-content: center;
  margin-top: 2rem;
}

.btn-primary {
  background: var(--primary);
  color: #fff;
  font-size: 1rem;
  padding: 0.75rem 1.5rem;
}

.btn-primary:hover {
  background: var(--primary-hover);
}

.btn-secondary {
  background: #fff;
  border: 1px solid var(--border-color);
  color: var(--text-main);
}

.btn-secondary:hover {
  background: var(--bg-page);
}

/* Success Section (pós-submissão) */
.success-section {
  margin-top: 2rem;
}

.success-section[hidden] {
  display: none;
}

.success-card {
  background: var(--bg-card);
  border: 1px solid var(--border-color);
  border-radius: var(--radius);
  padding: 2.5rem 2rem;
  max-width: 480px;
  margin: 0 auto;
  text-align: center;
}

.success-icon {
  width: 56px;
  height: 56px;
  margin: 0 auto 1rem;
  border-radius: 50%;
  background: #dcfce7;
  color: #15803d;
  font-size: 1.75rem;
  line-height: 56px;
  font-weight: 700;
}

.success-card h2 {
  font-size: 1.35rem;
  margin-bottom: 0.75rem;
}

.success-card > p {
  color: var(--text-muted);
  margin-bottom: 1.5rem;
}

.contact-lead {
  font-weight: 500;
  margin-bottom: 1rem;
}

#contact-block {
  text-align: left;
  border-top: 1px solid var(--border-color);
  padding-top: 1.5rem;
}

#contact-block .btn-primary {
  width: 100%;
  margin-top: 0.5rem;
}

#contact-block[hidden] {
  display: none;
}

.contact-error {
  color: var(--danger);
  font-size: 0.85rem;
  margin-top: 0.75rem;
}

.contact-error[hidden] {
  display: none;
}

#contact-done {
  color: #15803d;
  font-weight: 500;
}

#contact-done[hidden] {
  display: none;
}

button:disabled {
  opacity: 0.6;
  cursor: not-allowed;
}

.field-error input,
.field-error textarea,
.field-error select {
  border-color: var(--danger);
}

@media (max-width: 600px) {
  .form-row {
    flex-direction: column;
    gap: 0;
  }
  .form-row .form-group {
    margin-bottom: 1rem;
  }
  .dynamic-item-pair {
    flex-direction: column;
  }
}