/* Form-Inputs — DESIGN_PRINCIPLES.md §9 */

.field {
  display: flex;
  flex-direction: column;
  gap: 6px;
}

.label {
  font-family: var(--font-sans);
  font-size: var(--fs-body-sm);
  font-weight: 500;
  color: var(--ink-2);
}

.label-required::after {
  content: ' *';
  color: var(--coral);
}

.input,
.textarea,
.select {
  font-family: var(--font-sans);
  font-size: var(--fs-body);
  color: var(--ink);
  background: var(--bg-2);
  border: 1px solid var(--rule-2);
  border-radius: var(--radius-sm);
  padding: 10px 14px;
  height: 40px;
  width: 100%;
  transition:
    border-color var(--dur-micro) var(--ease-smooth),
    box-shadow var(--dur-micro) var(--ease-smooth);
}

.input::placeholder,
.textarea::placeholder {
  color: var(--mute-2);
}

.input:focus,
.textarea:focus,
.select:focus {
  outline: none;
  border-color: var(--ink);
  box-shadow: 0 0 0 2px var(--coral);
}

.input:disabled,
.textarea:disabled,
.select:disabled {
  background: var(--bg-3);
  color: var(--mute);
  cursor: not-allowed;
}

/* Chrome/Safari Autofill: default ist ein lila Background, der nicht
 * zum Design-System gehört. Wir zwingen --bg-2 als Inset-Box-Shadow und
 * setzen Text-Fill auf --ink. Die lange transition verhindert, dass das
 * ursprüngliche Autofill-Yellow je sichtbar wird. */
.input:-webkit-autofill,
.input:-webkit-autofill:hover,
.input:-webkit-autofill:focus,
.textarea:-webkit-autofill,
.select:-webkit-autofill {
  -webkit-box-shadow: 0 0 0 30px var(--bg-2) inset !important;
  -webkit-text-fill-color: var(--ink) !important;
  caret-color: var(--ink);
  transition: background-color 5000s ease-in-out 0s;
}

.textarea {
  height: auto;
  min-height: 80px;
  padding: 10px 14px;
  line-height: var(--lh-body);
  resize: vertical;
}

.select {
  appearance: none;
  -webkit-appearance: none;
  background-image: url("data:image/svg+xml;utf8,<svg xmlns='http://www.w3.org/2000/svg' width='16' height='16' viewBox='0 0 16 16' fill='none' stroke='%236a6a70' stroke-width='1.5' stroke-linecap='round' stroke-linejoin='round'><path d='M4 6l4 4 4-4'/></svg>");
  background-repeat: no-repeat;
  background-position: right 12px center;
  padding-right: 36px;
}

/* Error-State */
.field-error .input,
.field-error .textarea,
.field-error .select,
.input[aria-invalid="true"],
.textarea[aria-invalid="true"] {
  border-color: var(--red);
}
.field-error .input:focus,
.field-error .textarea:focus {
  box-shadow: 0 0 0 2px var(--red-soft);
}

.field-hint {
  font-size: 12px;
  color: var(--mute);
}
.field-error-msg {
  font-size: 12px;
  color: var(--red);
}

/* Checkbox + Radio */
.check {
  display: inline-flex;
  align-items: center;
  gap: var(--space-2);
  cursor: pointer;
  font-size: var(--fs-body);
  color: var(--ink);
  user-select: none;
}

.check input[type="checkbox"],
.check input[type="radio"] {
  appearance: none;
  -webkit-appearance: none;
  width: 16px;
  height: 16px;
  background: var(--bg-2);
  border: 1px solid var(--rule-2);
  cursor: pointer;
  flex-shrink: 0;
  transition:
    background-color var(--dur-micro) var(--ease-smooth),
    border-color var(--dur-micro) var(--ease-smooth);
}

.check input[type="checkbox"] {
  border-radius: var(--radius-xs);
}
.check input[type="radio"] {
  border-radius: 50%;
}

.check input[type="checkbox"]:checked,
.check input[type="radio"]:checked {
  background: var(--ink);
  border-color: var(--ink);
}

.check input[type="checkbox"]:checked {
  background-image: url("data:image/svg+xml;utf8,<svg xmlns='http://www.w3.org/2000/svg' width='12' height='12' viewBox='0 0 12 12' fill='none' stroke='white' stroke-width='2' stroke-linecap='round' stroke-linejoin='round'><path d='M2.5 6l2.5 2.5L9.5 3.5'/></svg>");
  background-repeat: no-repeat;
  background-position: center;
}

.check input[type="radio"]:checked {
  background-image: radial-gradient(circle, #fff 0 3px, transparent 4px);
}

.check input:focus-visible {
  outline: 2px solid var(--coral);
  outline-offset: 2px;
}

/* Toggle-Switch (Feature-Flags, aktiv/inaktiv) */
.toggle {
  display: inline-flex;
  align-items: center;
  gap: var(--space-3);
  cursor: pointer;
  user-select: none;
}

.toggle input {
  position: absolute;
  opacity: 0;
  pointer-events: none;
}

.toggle-track {
  position: relative;
  width: 40px;
  height: 24px;
  background: var(--rule-2);
  border-radius: var(--radius-full);
  transition: background-color var(--dur-state) var(--ease-smooth);
  flex-shrink: 0;
}

.toggle-thumb {
  position: absolute;
  top: 2px;
  left: 2px;
  width: 20px;
  height: 20px;
  background: var(--bg-2);
  border-radius: 50%;
  box-shadow: 0 1px 2px rgba(23, 23, 31, 0.2);
  transition: transform var(--dur-state) var(--ease-smooth);
}

.toggle input:checked + .toggle-track {
  background: var(--ink);
}
.toggle input:checked + .toggle-track .toggle-thumb {
  transform: translateX(16px);
}
.toggle input:focus-visible + .toggle-track {
  outline: 2px solid var(--coral);
  outline-offset: 2px;
}

.toggle-label {
  font-size: var(--fs-body);
  color: var(--ink);
}

/* Form-Layout */
.form-grid {
  display: grid;
  gap: var(--space-4);
}
.form-grid-2 {
  grid-template-columns: 1fr 1fr;
}

@media (max-width: 640px) {
  .form-grid-2 {
    grid-template-columns: 1fr;
  }
}

.form-actions {
  display: flex;
  gap: var(--space-3);
  justify-content: flex-end;
  margin-top: var(--space-5);
  padding-top: var(--space-5);
  border-top: 1px solid var(--rule);
}