/*
 * RAXE Design System — Forms
 * Input, select, textarea, radio, checkbox, form layout.
 * Depends on: tokens.css
 */

/* ── Shared input base ── */
.input, .select, .textarea {
  font-family: var(--font-body); font-size: var(--fs-body-sm);
  color: var(--text-primary); background: var(--surface-overlay);
  border: 1px solid var(--border-default); border-radius: var(--radius-md);
  padding: 10px var(--space-4); width: 100%;
  transition: var(--transition-ui);
}
.input::placeholder, .textarea::placeholder {
  color: var(--text-dim);
}
.input:focus, .select:focus, .textarea:focus {
  outline: none; border-color: var(--border-focus);
  box-shadow: 0 0 0 3px rgba(56,189,248,0.12);
}
.input:disabled, .select:disabled, .textarea:disabled {
  opacity: 0.4; cursor: not-allowed;
}

/* ── Select ── */
.select {
  appearance: none; cursor: pointer;
  background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='12' height='8' fill='none'%3E%3Cpath d='M1 1.5L6 6.5L11 1.5' stroke='%2338bdf8' stroke-width='1.5'/%3E%3C/svg%3E");
  background-repeat: no-repeat; background-position: right 14px center;
  padding-right: 36px;
}
.select option { background: var(--surface-raised); color: var(--text-primary); }

/* ── Textarea ── */
.textarea { resize: vertical; min-height: 100px; line-height: var(--leading-relaxed); }

/* ── Mono input (code, IDs, API keys) ── */
.input-mono {
  font-family: var(--font-mono); font-size: var(--fs-mono);
  letter-spacing: var(--tracking-wide);
}

/* ── Label ── */
.form-label {
  display: block; font-size: var(--fs-caption); font-weight: var(--weight-semibold);
  color: var(--text-muted); margin-bottom: var(--space-2);
}

/* ── Form group ── */
.form-group { margin-bottom: var(--space-5); }

/* ── Form row (multi-column) ── */
.form-row {
  display: grid; grid-template-columns: 1fr 1fr; gap: var(--space-4);
}
@media (max-width: 640px) { .form-row { grid-template-columns: 1fr; } }

/* ── Helper / error text ── */
.form-helper { font-size: var(--fs-label); color: var(--text-dim); margin-top: var(--space-1); }
.form-error  { font-size: var(--fs-label); color: var(--sev-critical-text); margin-top: var(--space-1); }
.input.is-error, .select.is-error, .textarea.is-error {
  border-color: var(--sev-critical-text);
}
.input.is-error:focus, .select.is-error:focus, .textarea.is-error:focus {
  box-shadow: 0 0 0 3px rgba(248,113,113,0.12);
}

/* ── Success / error message blocks ── */
.form-message {
  padding: var(--space-3) var(--space-4); border-radius: var(--radius-md);
  font-size: var(--fs-caption); text-align: center;
}
.form-message-success { background: var(--sev-low-bg); color: var(--sev-low-text); }
.form-message-error   { background: var(--sev-critical-bg); color: var(--sev-critical-text); }

/* ── Checkbox / Radio ── */
.checkbox, .radio {
  display: inline-flex; align-items: center; gap: var(--space-2); cursor: pointer;
  font-size: var(--fs-caption); color: var(--text-muted);
}
.checkbox input, .radio input { display: none; }
.checkbox-mark, .radio-mark {
  width: 16px; height: 16px; flex-shrink: 0;
  border: 1px solid var(--border-strong); background: var(--surface-overlay);
  transition: var(--transition-ui); display: flex; align-items: center; justify-content: center;
}
.checkbox-mark { border-radius: var(--radius-sm); }
.radio-mark    { border-radius: 50%; }
.checkbox input:checked + .checkbox-mark {
  background: var(--cyan); border-color: var(--cyan);
}
.checkbox input:checked + .checkbox-mark::after {
  content: ''; width: 8px; height: 5px;
  border-left: 2px solid var(--surface-base); border-bottom: 2px solid var(--surface-base);
  transform: rotate(-45deg); margin-top: -2px;
}
.radio input:checked + .radio-mark {
  border-color: var(--cyan);
}
.radio input:checked + .radio-mark::after {
  content: ''; width: 8px; height: 8px; border-radius: 50%; background: var(--cyan);
}

/* ── Toggle switch ── */
.toggle {
  display: inline-flex; align-items: center; gap: var(--space-2); cursor: pointer;
  font-size: var(--fs-caption); color: var(--text-muted);
}
.toggle input { display: none; }
.toggle-track {
  width: 36px; height: 20px; border-radius: var(--radius-pill);
  background: var(--surface-overlay); border: 1px solid var(--border-default);
  position: relative; transition: var(--transition-ui);
}
.toggle-track::after {
  content: ''; position: absolute; top: 2px; left: 2px;
  width: 14px; height: 14px; border-radius: 50%;
  background: var(--text-dim); transition: var(--transition-ui);
}
.toggle input:checked + .toggle-track {
  background: rgba(56,189,248,0.2); border-color: var(--cyan);
}
.toggle input:checked + .toggle-track::after {
  transform: translateX(16px); background: var(--cyan);
}

/* ── Subscribe inline form ── */
.form-inline {
  display: flex; gap: var(--space-2); align-items: stretch;
}
.form-inline .input { flex: 1; }