/* ==========================================================================
   u.cash - Form Components
   Modern inputs, floating labels, textareas, selects, error states.
   ========================================================================== */

/* ---- Form Container ---- */

.form {
  display: flex;
  flex-direction: column;
  gap: var(--space-lg);
}

.form-row {
  display: grid;
  gap: var(--space-lg);
  grid-template-columns: 1fr;
}

@media (min-width: 576px) {
  .form-row {
    grid-template-columns: repeat(2, 1fr);
  }
}

/* ---- Form Group ---- */

.form-group {
  display: flex;
  flex-direction: column;
  gap: var(--space-xs);
  position: relative;
}

/* ---- Labels ---- */

.form-label {
  display: block;
  font-size: var(--text-sm);
  font-weight: var(--weight-medium);
  color: var(--color-text-secondary);
  margin-bottom: var(--space-xs);
  letter-spacing: var(--tracking-wide);
}

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

/* ---- Input Base ---- */

.form-input,
.form-textarea,
.form-select {
  width: 100%;
  padding: 0.75rem 1rem;
  font-size: var(--text-base);
  color: var(--color-text-primary);
  background: var(--color-glass-bg);
  border: 1px solid var(--color-glass-border);
  border-radius: var(--radius-md);
  outline: none;
  transition:
    border-color var(--transition-fast),
    box-shadow var(--transition-fast),
    background-color var(--transition-fast);
}

.form-input::placeholder,
.form-textarea::placeholder {
  color: var(--color-text-muted);
}

.form-input:hover,
.form-textarea:hover,
.form-select:hover {
  border-color: var(--color-border-hover);
}

.form-input:focus,
.form-textarea:focus,
.form-select:focus {
  border-color: var(--color-gold-primary);
  box-shadow: 0 0 0 3px var(--color-gold-muted);
  background: var(--color-glass-bg-hover);
}

/* ---- Textarea ---- */

.form-textarea {
  min-height: 120px;
  resize: vertical;
  line-height: var(--leading-normal);
}

.form-textarea-short {
  min-height: 80px;
}

.form-textarea-tall {
  min-height: 200px;
}

/* ---- Select ---- */

.form-select {
  appearance: none;
  -webkit-appearance: none;
  background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='16' height='16' fill='%23cc9933' viewBox='0 0 16 16'%3E%3Cpath d='M4.646 5.646a.5.5 0 0 1 .708 0L8 8.293l2.646-2.647a.5.5 0 0 1 .708.708l-3 3a.5.5 0 0 1-.708 0l-3-3a.5.5 0 0 1 0-.708z'/%3E%3C/svg%3E");
  background-repeat: no-repeat;
  background-position: right 1rem center;
  padding-right: 2.5rem;
  cursor: pointer;
}

.form-select option {
  background: var(--color-bg-secondary);
  color: var(--color-text-primary);
}

/* ---- Floating Label ---- */

.form-floating {
  position: relative;
}

.form-floating .form-input,
.form-floating .form-textarea {
  padding-top: 1.5rem;
  padding-bottom: 0.5rem;
}

.form-floating .form-label {
  position: absolute;
  top: 50%;
  left: 1rem;
  transform: translateY(-50%);
  font-size: var(--text-base);
  color: var(--color-text-muted);
  pointer-events: none;
  transition:
    top var(--transition-fast),
    font-size var(--transition-fast),
    color var(--transition-fast);
  margin-bottom: 0;
}

.form-floating .form-textarea ~ .form-label {
  top: 1.25rem;
  transform: none;
}

/* Floating label active state */
.form-floating .form-input:focus ~ .form-label,
.form-floating .form-input:not(:placeholder-shown) ~ .form-label,
.form-floating .form-textarea:focus ~ .form-label,
.form-floating .form-textarea:not(:placeholder-shown) ~ .form-label {
  top: 0.5rem;
  transform: none;
  font-size: var(--text-xs);
  color: var(--color-gold-primary);
  letter-spacing: var(--tracking-wider);
}

/* ---- Input with Icon ---- */

.form-input-icon-wrapper {
  position: relative;
}

.form-input-icon-wrapper .form-input {
  padding-left: 2.75rem;
}

.form-input-icon {
  position: absolute;
  top: 50%;
  left: 1rem;
  transform: translateY(-50%);
  width: 18px;
  height: 18px;
  color: var(--color-text-muted);
  pointer-events: none;
  transition: color var(--transition-fast);
}

.form-input-icon-wrapper .form-input:focus ~ .form-input-icon,
.form-input-icon-wrapper .form-input:focus + .form-input-icon {
  color: var(--color-gold-primary);
}

/* ---- Error State ---- */

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

.form-error .form-input:focus,
.form-error .form-textarea:focus,
.form-error .form-select:focus {
  box-shadow: 0 0 0 3px rgba(239, 68, 68, 0.15);
}

.form-error-message {
  display: flex;
  align-items: center;
  gap: var(--space-xs);
  font-size: var(--text-xs);
  color: var(--color-error);
  margin-top: var(--space-2xs);
}

.form-error-message svg {
  width: 14px;
  height: 14px;
  flex-shrink: 0;
}

/* ---- Success State ---- */

.form-success .form-input,
.form-success .form-textarea,
.form-success .form-select {
  border-color: var(--color-success);
}

.form-success .form-input:focus,
.form-success .form-textarea:focus,
.form-success .form-select:focus {
  box-shadow: 0 0 0 3px rgba(34, 197, 94, 0.15);
}

/* ---- Helper Text ---- */

.form-helper {
  font-size: var(--text-xs);
  color: var(--color-text-tertiary);
  margin-top: var(--space-2xs);
}

/* ---- Checkbox / Radio ---- */

.form-check {
  display: flex;
  align-items: center;
  gap: var(--space-sm);
  cursor: pointer;
}

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

.form-check-label {
  font-size: var(--text-sm);
  color: var(--color-text-secondary);
  cursor: pointer;
}

/* ---- Submit Button ---- */

.form-submit {
  display: flex;
  justify-content: flex-start;
  margin-top: var(--space-sm);
}

/* ---- Disabled ---- */

.form-input:disabled,
.form-textarea:disabled,
.form-select:disabled {
  opacity: 0.5;
  cursor: not-allowed;
}