:root {
  --green: #303F09;
  --green-strong: #0f4205;
  --cream: #FFF6E9;
  --yellow: #FFD753;
  --radius: 10px;
}

* {
  box-sizing: border-box;
}

body {
  margin: 0;
  font-family: system-ui, -apple-system, "Segoe UI", Roboto, sans-serif;
  background: var(--cream);
  color: var(--green);
  padding-bottom: 84px; /* espaço para a barra de ações fixa */
}

.app-header {
  background: var(--green);
  color: var(--cream);
  padding: 16px;
  text-align: center;
}

.app-header h1 {
  margin: 0;
  font-size: 1.5rem;
}

main {
  max-width: 640px;
  margin: 0 auto;
  padding: 12px;
  display: grid;
  gap: 12px;
}

.card {
  background: #fff;
  border: 1px solid rgba(48, 63, 9, 0.15);
  border-radius: var(--radius);
  padding: 14px;
}

.card h2 {
  margin: 0 0 10px;
  font-size: 1.05rem;
}

.row {
  display: flex;
  gap: 8px;
  margin-bottom: 8px;
  align-items: center;
}

input[type="text"] {
  font-size: 16px; /* evita zoom automático no iOS */
  padding: 10px 12px;
  border: 1px solid rgba(48, 63, 9, 0.3);
  border-radius: 8px;
  min-width: 0;
  background: var(--cream);
  color: var(--green);
}

input[type="text"]:focus {
  outline: 2px solid var(--green);
}

.grow {
  flex: 1;
}

.label-input {
  width: 34%;
}

.uppercase {
  text-transform: uppercase;
}

input[type="color"] {
  width: 44px;
  height: 44px;
  padding: 2px;
  border: 1px solid rgba(48, 63, 9, 0.3);
  border-radius: 8px;
  background: none;
  flex-shrink: 0;
}

.remove-row {
  width: 44px;
  height: 44px;
  flex-shrink: 0;
  border: 1px solid rgba(48, 63, 9, 0.3);
  border-radius: 8px;
  background: none;
  color: var(--green);
  font-size: 22px;
  line-height: 1;
  cursor: pointer;
}

.add-field {
  width: 100%;
  padding: 12px;
  border: 1px dashed var(--green);
  border-radius: 8px;
  background: none;
  color: var(--green);
  font-size: 16px;
  font-weight: 600;
  cursor: pointer;
}

.file-button {
  display: inline-block;
  background: var(--green);
  color: var(--cream);
  padding: 12px 18px;
  border-radius: 8px;
  cursor: pointer;
  font-size: 16px;
}

.checkbox-row {
  display: flex;
  gap: 10px;
  align-items: center;
  font-size: 16px;
  margin-bottom: 10px;
  cursor: pointer;
}

.checkbox-row input {
  width: 22px;
  height: 22px;
  accent-color: var(--green);
  flex-shrink: 0;
}

.link-btn {
  background: none;
  border: none;
  color: var(--green);
  text-decoration: underline;
  font-size: 14px;
  cursor: pointer;
  padding: 4px 0;
}

.hint {
  font-size: 0.85rem;
  opacity: 0.75;
  margin: 8px 0 0;
}

.preview-card canvas {
  width: 100%;
  height: auto;
  display: block;
  border-radius: 6px;
  border: 1px solid rgba(48, 63, 9, 0.15);
}

#status {
  text-align: center;
  min-height: 1.2em;
  margin: 0;
}

#status.error {
  color: #b00020;
}

.action-bar {
  position: fixed;
  bottom: 0;
  left: 0;
  right: 0;
  display: flex;
  gap: 10px;
  padding: 12px;
  padding-bottom: calc(12px + env(safe-area-inset-bottom));
  background: #fff;
  border-top: 1px solid rgba(48, 63, 9, 0.15);
  max-width: 640px;
  margin: 0 auto;
}

.action-bar button {
  flex: 1;
  font-size: 16px;
  padding: 14px;
  border-radius: 8px;
  border: none;
  cursor: pointer;
  font-weight: 600;
}

.primary {
  background: var(--green);
  color: var(--cream);
}

.secondary {
  background: var(--cream);
  color: var(--green);
  border: 1px solid var(--green) !important;
}