/* ── Formularios ──────────────────────────────────────────────────────────── */

.form-group {
  display: flex;
  flex-direction: column;
  gap: var(--space-2);
  margin-bottom: var(--space-5);
}
.form-group:last-child { margin-bottom: 0; }

/* Label */
.form-label {
  font-size: var(--text-sm);
  font-weight: var(--font-medium);
  color: var(--color-text-muted);
  display: flex;
  align-items: center;
  gap: var(--space-2);
}

.form-label__required {
  color: var(--color-error);
  font-size: var(--text-xs);
}

.form-label__cost {
  margin-left: auto;
  font-size: var(--text-xs);
  color: var(--color-credits);
  background: var(--color-credits-bg);
  padding: 2px 8px;
  border-radius: var(--radius-full);
}

/* Input base */
.form-input,
.form-textarea,
.form-select {
  width: 100%;
  background: var(--color-bg-input);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-md);
  color: var(--color-text);
  font-size: var(--text-sm);
  font-family: inherit;
  padding: var(--space-3) var(--space-4);
  transition:
    border-color var(--transition-fast),
    box-shadow var(--transition-fast),
    background var(--transition-fast);
  outline: none;
}

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

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

.form-textarea {
  resize: vertical;
  min-height: 100px;
  line-height: 1.5;
}

.form-select {
  cursor: pointer;
  appearance: none;
  background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='16' height='16' viewBox='0 0 24 24' fill='none' stroke='%238888a8' stroke-width='2'%3E%3Cpolyline points='6 9 12 15 18 9'%3E%3C/polyline%3E%3C/svg%3E");
  background-repeat: no-repeat;
  background-position: right var(--space-3) center;
  padding-right: var(--space-10);
}

/* Error state */
.form-input.error,
.form-textarea.error,
.form-select.error {
  border-color: var(--color-error);
  box-shadow: 0 0 0 3px var(--color-error-bg);
}

.form-error {
  font-size: var(--text-xs);
  color: var(--color-error);
  display: flex;
  align-items: center;
  gap: var(--space-1);
}

.form-hint {
  font-size: var(--text-xs);
  color: var(--color-text-dim);
}

/* ── Slider / Range ───────────────────────────────────────────────────────── */

.form-range {
  -webkit-appearance: none;
  width: 100%;
  height: 4px;
  background: var(--color-border);
  border-radius: 2px;
  outline: none;
  cursor: pointer;
}

.form-range::-webkit-slider-thumb {
  -webkit-appearance: none;
  width: 18px;
  height: 18px;
  border-radius: 50%;
  background: var(--color-primary);
  border: 2px solid var(--color-bg);
  box-shadow: 0 0 0 3px var(--color-primary-glow);
  cursor: pointer;
  transition: transform var(--transition-fast);
}

.form-range::-webkit-slider-thumb:hover { transform: scale(1.2); }

/* ── Row de dimensiones ───────────────────────────────────────────────────── */

.form-row {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: var(--space-4);
}

/* ── Selector de resolución ───────────────────────────────────────────────── */

.resolution-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: var(--space-2);
}

.resolution-btn {
  padding: var(--space-2) var(--space-3);
  background: var(--color-bg-input);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-md);
  color: var(--color-text-muted);
  font-size: var(--text-xs);
  cursor: pointer;
  text-align: center;
  transition: all var(--transition-fast);
  font-family: inherit;
}

.resolution-btn:hover  {
  border-color: var(--color-primary);
  color: var(--color-primary);
  background: var(--color-primary-glow);
}

.resolution-btn.active {
  border-color: var(--color-primary);
  background: var(--color-primary-glow);
  color: var(--color-primary);
  font-weight: var(--font-semi);
}

/* ── Spinner de carga en input ────────────────────────────────────────────── */
.form-group.loading .form-input { opacity: 0.6; pointer-events: none; }

/* ── Radio buttons (herramientas de edición: factor de upscale, etc.) ─────── */
.form-radio {
  display: flex;
  align-items: center;
  gap: var(--space-2);
  padding: var(--space-2) var(--space-3);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-md);
  cursor: pointer;
  font-size: var(--text-sm);
  color: var(--color-text);
  transition: all var(--transition-fast);
}

.form-radio:hover { border-color: var(--color-primary); }

.form-radio input[type="radio"] { accent-color: var(--color-primary); }

/* Campo de contraseña con botón "mostrar / ocultar" (components/password-toggle.js) */
.pwd-field { position: relative; }
.pwd-field .form-input { padding-right: 48px; }
.pwd-toggle {
  position: absolute; top: 50%; right: 6px; transform: translateY(-50%);
  width: 36px; height: 36px;
  display: inline-flex; align-items: center; justify-content: center;
  background: transparent; border: 0; border-radius: var(--radius-md);
  color: var(--color-text-muted, currentColor); cursor: pointer;
}
.pwd-toggle:hover { color: var(--color-text); }
.pwd-toggle:focus-visible { outline: 2px solid var(--color-primary); outline-offset: 1px; }