/**
 * INKEGG Design System - Forms
 * Terminal-styled form components
 */

/* ===== FORM CONTAINER ===== */
.form {
  width: 100%;
}

.form-group {
  margin-bottom: var(--space-lg);
  position: relative;
}

.form-row {
  display: flex;
  gap: var(--space-md);
  margin-bottom: var(--space-lg);
}

.form-row > * {
  flex: 1;
}

/* ===== LABELS ===== */
.form-label {
  display: block;
  margin-bottom: var(--space-sm);
  font-weight: var(--font-weight-bold);
  font-size: var(--font-size-sm);
  color: var(--color-terminal-green);
  text-transform: uppercase;
  letter-spacing: 0.05em;
}

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

/* ===== INPUT BASE ===== */
.input,
.textarea,
.select {
  width: 100%;
  padding: var(--input-padding-y) var(--input-padding-x);
  border: var(--input-border-width) solid var(--color-terminal-green);
  border-radius: var(--input-border-radius);
  background-color: var(--color-bg-dark);
  color: var(--color-terminal-green);
  font-family: var(--font-primary);
  font-size: var(--input-font-size);
  transition: var(--input-transition);
  outline: none;
}

.input::placeholder,
.textarea::placeholder {
  color: var(--color-text-muted);
  opacity: 0.7;
  font-style: italic;
}

.input:focus,
.textarea:focus,
.select:focus {
  border-color: var(--color-cyberpunk-pink);
  box-shadow: var(--glow-pink);
}

.input:disabled,
.textarea:disabled,
.select:disabled {
  opacity: 0.5;
  cursor: not-allowed;
  background-color: var(--color-bg-black);
}

/* ===== INPUT VARIANTS ===== */
.input--sm {
  padding: 8px 12px;
  font-size: var(--font-size-sm);
}

.input--lg {
  padding: 16px 20px;
  font-size: var(--font-size-lg);
}

/* ===== TEXTAREA ===== */
.textarea {
  min-height: 120px;
  resize: vertical;
  line-height: var(--line-height-normal);
}

.textarea--auto {
  resize: none;
  overflow: hidden;
}

/* ===== SELECT ===== */
.select {
  appearance: none;
  background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='12' height='12' viewBox='0 0 12 12'%3E%3Cpath fill='%2333ff33' d='M6 9L1 4h10z'/%3E%3C/svg%3E");
  background-repeat: no-repeat;
  background-position: right 12px center;
  padding-right: 40px;
  cursor: pointer;
}

.select:focus {
  background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='12' height='12' viewBox='0 0 12 12'%3E%3Cpath fill='%23e622c5' d='M6 9L1 4h10z'/%3E%3C/svg%3E");
}

/* ===== CHECKBOX & RADIO ===== */
.checkbox,
.radio {
  display: inline-flex;
  align-items: center;
  cursor: pointer;
  user-select: none;
}

.checkbox-input,
.radio-input {
  appearance: none;
  width: 20px;
  height: 20px;
  border: var(--border-width-md) solid var(--color-terminal-green);
  background-color: var(--color-bg-dark);
  cursor: pointer;
  position: relative;
  margin-right: var(--space-sm);
  flex-shrink: 0;
}

.checkbox-input {
  border-radius: var(--border-radius-sm);
}

.radio-input {
  border-radius: 50%;
}

.checkbox-input:checked,
.radio-input:checked {
  background-color: var(--color-terminal-green);
  border-color: var(--color-terminal-green);
  box-shadow: var(--glow-green);
}

.checkbox-input:checked::after {
  content: '✓';
  position: absolute;
  top: 50%;
  left: 50%;
  transform: translate(-50%, -50%);
  color: var(--color-bg-black);
  font-size: 14px;
  font-weight: bold;
}

.radio-input:checked::after {
  content: '';
  position: absolute;
  top: 50%;
  left: 50%;
  transform: translate(-50%, -50%);
  width: 8px;
  height: 8px;
  border-radius: 50%;
  background-color: var(--color-bg-black);
}

.checkbox-input:focus,
.radio-input:focus {
  outline: 2px solid var(--color-cyberpunk-pink);
  outline-offset: 2px;
}

.checkbox-label,
.radio-label {
  color: var(--color-terminal-green);
  font-size: var(--font-size-md);
}

/* ===== TOGGLE SWITCH ===== */
.toggle {
  display: inline-flex;
  align-items: center;
  cursor: pointer;
  user-select: none;
}

.toggle-input {
  appearance: none;
  width: 48px;
  height: 24px;
  background-color: var(--color-bg-dark);
  border: var(--border-width-md) solid var(--color-terminal-green);
  border-radius: 12px;
  position: relative;
  cursor: pointer;
  transition: var(--transition-normal);
  margin-right: var(--space-sm);
}

.toggle-input::before {
  content: '';
  position: absolute;
  width: 16px;
  height: 16px;
  background-color: var(--color-terminal-green);
  border-radius: 50%;
  top: 2px;
  left: 2px;
  transition: var(--transition-normal);
}

.toggle-input:checked {
  background-color: var(--color-cyberpunk-pink);
  border-color: var(--color-cyberpunk-pink);
}

.toggle-input:checked::before {
  left: 26px;
  background-color: var(--color-text-white);
}

.toggle-input:focus {
  box-shadow: var(--glow-pink);
}

/* ===== FILE INPUT ===== */
.file-input {
  display: none;
}

.file-label {
  display: inline-flex;
  align-items: center;
  padding: var(--btn-padding-y) var(--btn-padding-x);
  border: var(--border-width-md) solid var(--color-terminal-green);
  border-radius: var(--btn-border-radius);
  background-color: var(--color-bg-dark);
  color: var(--color-terminal-green);
  font-weight: var(--font-weight-bold);
  text-transform: uppercase;
  cursor: pointer;
  transition: var(--btn-transition);
  box-shadow: var(--shadow-brutal);
}

.file-label:hover {
  transform: translate(3px, 3px);
  box-shadow: none;
}

.file-label svg {
  margin-right: var(--space-sm);
  width: 20px;
  height: 20px;
}

/* ===== INPUT GROUPS ===== */
.input-group {
  display: flex;
  width: 100%;
}

.input-group .input {
  border-radius: 0;
  margin-left: -2px;
}

.input-group .input:first-child {
  border-top-left-radius: var(--input-border-radius);
  border-bottom-left-radius: var(--input-border-radius);
  margin-left: 0;
}

.input-group .input:last-child {
  border-top-right-radius: var(--input-border-radius);
  border-bottom-right-radius: var(--input-border-radius);
}

.input-group-addon {
  display: flex;
  align-items: center;
  padding: var(--input-padding-y) var(--input-padding-x);
  background-color: var(--color-bg-black);
  border: var(--input-border-width) solid var(--color-terminal-green);
  color: var(--color-terminal-green);
  white-space: nowrap;
}

.input-group-addon:first-child {
  border-top-left-radius: var(--input-border-radius);
  border-bottom-left-radius: var(--input-border-radius);
  border-right: none;
}

.input-group-addon:last-child {
  border-top-right-radius: var(--input-border-radius);
  border-bottom-right-radius: var(--input-border-radius);
  border-left: none;
  margin-left: -2px;
}

/* ===== VALIDATION STATES ===== */
.input--valid,
.textarea--valid {
  border-color: var(--color-text-success);
}

.input--invalid,
.textarea--invalid {
  border-color: var(--color-text-error);
  box-shadow: 0 0 0 3px rgba(255, 97, 136, 0.2);
  animation: fieldShake 0.3s ease-in-out;
}

@keyframes fieldShake {
  0%, 100% { transform: translateX(0); }
  25% { transform: translateX(-5px); }
  75% { transform: translateX(5px); }
}

/* ===== HELPER TEXT ===== */
.form-help {
  display: block;
  margin-top: var(--space-xs);
  font-size: var(--font-size-xs);
  color: var(--color-text-muted);
  font-style: italic;
}

.form-error {
  display: block;
  margin-top: var(--space-xs);
  font-size: var(--font-size-sm);
  color: var(--color-text-error);
  font-weight: var(--font-weight-medium);
}

.form-success {
  display: block;
  margin-top: var(--space-xs);
  font-size: var(--font-size-sm);
  color: var(--color-text-success);
  font-weight: var(--font-weight-medium);
}

/* ===== FIELDSET ===== */
.fieldset {
  border: var(--border-width-md) solid var(--color-terminal-green);
  border-radius: var(--border-radius-md);
  padding: var(--space-lg);
  margin-bottom: var(--space-xl);
}

.fieldset-legend {
  padding: 0 var(--space-sm);
  font-weight: var(--font-weight-bold);
  font-size: var(--font-size-lg);
  color: var(--color-terminal-green);
}

/* ===== SEARCH INPUT ===== */
.search-input {
  padding-left: 40px;
  background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='20' height='20' viewBox='0 0 24 24' fill='none' stroke='%2333ff33' stroke-width='2'%3E%3Ccircle cx='11' cy='11' r='8'/%3E%3Cpath d='m21 21-4.35-4.35'/%3E%3C/svg%3E");
  background-repeat: no-repeat;
  background-position: 12px center;
  background-size: 16px;
}

/* ===== RESPONSIVE ===== */
@media (max-width: 768px) {
  .form-row {
    flex-direction: column;
    gap: 0;
  }

  .input,
  .textarea,
  .select {
    font-size: var(--font-size-sm);
    padding: 10px 12px;
  }

  .form-label {
    font-size: var(--font-size-xs);
  }
}

/* ===== LEGACY SUPPORT ===== */
.form-control {
  /* Map to new input system */
  @extend .input;
}

.text-input-field-short {
  @extend .input;
}