/* ============================================================================
   cf7-stahlformular / style.css
   ----------------------------------------------------------------------------
   Komplettes Styling für das Stahl-Bestellformular.
   Mobile-First, ab 900px zweispaltiges Layout.
   Einbindung: siehe README.md (wp_enqueue_style in functions.php).
   ============================================================================ */

/* ---------------------------------------------------------------------------
   1. CSS-Variablen (Design-Tokens)
   --------------------------------------------------------------------------- */
:root {
  --sf-color-primary: #c52042;
  --sf-color-primary-hover: #a71b38;
  --sf-color-primary-contrast: #ffffff;

  --sf-color-bg-light: #f5f5f5;
  --sf-color-border: #dcdcdc;
  --sf-color-card-bg: #ffffff;

  --sf-color-heading: #4a4a4a;
  --sf-color-text: #2f2f2f;
  --sf-color-text-muted: #767676;

  --sf-color-danger: #c0392b;
  --sf-color-danger-bg: #fdecea;

  --sf-radius: 8px;
  --sf-radius-sm: 4px;

  --sf-shadow-card: 0 2px 6px rgba(0, 0, 0, 0.06), 0 1px 2px rgba(0, 0, 0, 0.04);
  --sf-shadow-card-hover: 0 4px 12px rgba(0, 0, 0, 0.08);

  --sf-spacing-xs: 6px;
  --sf-spacing-sm: 12px;
  --sf-spacing-md: 20px;
  --sf-spacing-lg: 32px;

  --sf-font-base: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, "Helvetica Neue", Arial, sans-serif;
  --sf-transition: 180ms ease;
}

/* ---------------------------------------------------------------------------
   2. Grundlayout
   --------------------------------------------------------------------------- */
.stahlformular-wrapper {
  margin: 0 auto;
  font-family: var(--sf-font-base);
  color: var(--sf-color-text);
  box-sizing: border-box;
}

.stahlformular-wrapper *,
.stahlformular-wrapper *::before,
.stahlformular-wrapper *::after {
  box-sizing: border-box;
}

/* ---------------------------------------------------------------------------
   3. Karten
   --------------------------------------------------------------------------- */
.sf-card {
  background: var(--sf-color-card-bg);
  border: 1px solid var(--sf-color-border);
  border-radius: var(--sf-radius);
  box-shadow: var(--sf-shadow-card);
  padding: var(--sf-spacing-md);
  margin-bottom: var(--sf-spacing-md);
  transition: box-shadow var(--sf-transition);
}

.sf-card:hover {
  box-shadow: var(--sf-shadow-card-hover);
}

.sf-card-title {
  font-size: 1.05rem;
  font-weight: 600;
  color: var(--sf-color-heading);
  margin: 0 0 var(--sf-spacing-md) 0;
  padding: 0;
  border: none;
  letter-spacing: 0.01em;
}

fieldset.sf-card {
  min-width: 0;
}

fieldset.sf-card legend.sf-card-title {
  padding: 0 4px;
  width: auto;
}

/* ---------------------------------------------------------------------------
   4. Formularfelder (allgemein)
   --------------------------------------------------------------------------- */
.sf-field {
  margin-bottom: var(--sf-spacing-md);
}

.sf-field:last-child {
  margin-bottom: 0;
}

.sf-field label,
.sf-field legend {
  display: block;
  font-size: 0.9rem;
  font-weight: 600;
  color: var(--sf-color-heading);
  margin-bottom: var(--sf-spacing-xs);
}

.sf-input,
.stahlformular-wrapper input[type="text"],
.stahlformular-wrapper input[type="email"],
.stahlformular-wrapper input[type="tel"],
.stahlformular-wrapper input[type="number"],
.stahlformular-wrapper input[type="date"],
.stahlformular-wrapper textarea.sf-input {
  width: 100%;
  font-family: inherit;
  font-size: 1rem;
  color: var(--sf-color-text);
  background: var(--sf-color-card-bg);
  border: 1px solid var(--sf-color-border);
  border-radius: var(--sf-radius-sm);
  padding: 12px 14px;
  line-height: 1.4;
  transition: border-color var(--sf-transition), box-shadow var(--sf-transition);
  -webkit-appearance: none;
  appearance: none;
}

.sf-textarea {
  min-height: 120px;
  resize: vertical;
}

.sf-input:hover {
  border-color: #c7c7c7;
}

.sf-input:focus,
.stahlformular-wrapper input:focus,
.stahlformular-wrapper textarea:focus {
  outline: none;
  border-color: var(--sf-color-primary);
  box-shadow: 0 0 0 3px rgba(58, 143, 43, 0.18);
}

/* sichtbarer Fokus-Ring auch bei Tastaturnavigation (Accessibility) */
.stahlformular-wrapper :focus-visible {
  outline: 2px solid var(--sf-color-primary);
  outline-offset: 2px;
}

.sf-input::placeholder {
  color: var(--sf-color-text-muted);
}

/* CF7-eigene Fehlerausgabe */
.stahlformular-wrapper .wpcf7-not-valid-tip {
  display: block;
  color: var(--sf-color-danger);
  font-size: 0.82rem;
  margin-top: 4px;
}

.stahlformular-wrapper .wpcf7-not-valid {
  border-color: var(--sf-color-danger) !important;
}

.stahlformular-wrapper .wpcf7-response-output {
  border-radius: var(--sf-radius-sm);
  border: 1px solid var(--sf-color-border);
  padding: var(--sf-spacing-sm) var(--sf-spacing-md);
  margin: var(--sf-spacing-md) 0 0 0;
  font-size: 0.9rem;
}

.stahlformular-wrapper form.invalid .wpcf7-response-output,
.stahlformular-wrapper form.failed .wpcf7-response-output,
.stahlformular-wrapper form.aborted .wpcf7-response-output {
  border-color: var(--sf-color-danger);
  color: var(--sf-color-danger);
  background: var(--sf-color-danger-bg);
}

.stahlformular-wrapper form.sent .wpcf7-response-output {
  border-color: var(--sf-color-primary);
  color: var(--sf-color-primary-hover);
  background: #eef8ec;
}

/* Eigene, per JS gesetzte Fehlermarkierung für Nicht-CF7-Felder */
.sf-input.sf-invalid {
  border-color: var(--sf-color-danger);
  box-shadow: 0 0 0 3px rgba(192, 57, 43, 0.14);
}

.sf-error-message {
  display: none;
  color: var(--sf-color-danger);
  font-size: 0.82rem;
  margin-top: 4px;
}

.sf-error-message.sf-visible {
  display: block;
}

.sf-visually-hidden {
  position: absolute;
  width: 1px;
  height: 1px;
  padding: 0;
  margin: -1px;
  overflow: hidden;
  clip: rect(0, 0, 0, 0);
  white-space: nowrap;
  border: 0;
}

/* ---------------------------------------------------------------------------
   5. Radio-Gruppen
   --------------------------------------------------------------------------- */
.sf-radio-row {
  display: flex;
  flex-wrap: wrap;
  gap: var(--sf-spacing-sm);
}

.sf-radio-option {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  font-weight: 400;
  font-size: 0.95rem;
  color: var(--sf-color-text);
  background: var(--sf-color-bg-light);
  border: 1px solid var(--sf-color-border);
  border-radius: var(--sf-radius-sm);
  padding: 10px 14px;
  cursor: pointer;
  transition: border-color var(--sf-transition), background var(--sf-transition);
}

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

.sf-radio-option input[type="radio"] {
  accent-color: var(--sf-color-primary);
  width: 18px;
  height: 18px;
  margin: 0;
  flex-shrink: 0;
  vertical-align: text-top;
}

.sf-radio-option:has(input:checked) {
  border-color: var(--sf-color-primary);
  background: #eef8ec;
}

.sf-conditional-field {
  margin-top: var(--sf-spacing-sm);
  animation: sf-fade-in 200ms ease;
}

@keyframes sf-fade-in {
  from {
    opacity: 0;
    transform: translateY(-4px);
  }
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

/* ---------------------------------------------------------------------------
   6. Artikelpositionen
   --------------------------------------------------------------------------- */
.sf-positions-card {
  padding-bottom: var(--sf-spacing-md);
}

.sf-position {
  border: 1px solid var(--sf-color-border);
  border-radius: var(--sf-radius);
  padding: var(--sf-spacing-md);
  margin-bottom: var(--sf-spacing-md);
  background: #fcfcfc;
  position: relative;
}

.sf-position:last-child {
  margin-bottom: var(--sf-spacing-md);
}

.sf-position-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-bottom: var(--sf-spacing-md);
  gap: var(--sf-spacing-sm);
}

.sf-position-title {
  font-size: 0.95rem;
  font-weight: 700;
  color: var(--sf-color-primary-hover);
  margin: 0;
  text-transform: uppercase;
  letter-spacing: 0.04em;
}

.sf-position-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: var(--sf-spacing-md);
}

.sf-field-laenge legend,
.sf-field-guete legend,
.sf-field-oberflaeche legend {
  padding: 0;
}

/* Animationen: Hinzufügen / Entfernen einer Position */
.sf-position-enter {
  animation: sf-position-in 260ms ease;
}

@keyframes sf-position-in {
  from {
    opacity: 0;
    transform: translateY(-10px) scale(0.98);
  }
  to {
    opacity: 1;
    transform: translateY(0) scale(1);
  }
}

.sf-position-leave {
  animation: sf-position-out 220ms ease forwards;
  pointer-events: none;
}

@keyframes sf-position-out {
  from {
    opacity: 1;
    max-height: 600px;
    transform: scale(1);
  }
  to {
    opacity: 0;
    max-height: 0;
    transform: scale(0.97);
    margin-bottom: 0;
    padding-top: 0;
    padding-bottom: 0;
    border-width: 0;
  }
}

/* ---------------------------------------------------------------------------
   7. Buttons
   --------------------------------------------------------------------------- */
.sf-btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  font-family: inherit;
  font-size: 0.95rem;
  font-weight: 600;
  border-radius: var(--sf-radius-sm);
  padding: 12px 22px;
  border: 1px solid transparent;
  cursor: pointer;
  transition: background var(--sf-transition), border-color var(--sf-transition),
    transform 120ms ease, box-shadow var(--sf-transition);
  -webkit-appearance: none;
  appearance: none;
}

.sf-btn:active {
  transform: translateY(1px);
}

.sf-btn-primary {
  background: var(--sf-color-primary);
  color: var(--sf-color-primary-contrast);
  width: 100%;
  padding: 15px 22px;
  font-size: 1rem;
}

.sf-btn-primary:hover {
  background: var(--sf-color-primary-hover);
  box-shadow: var(--sf-shadow-card-hover);
}

.sf-btn-secondary {
  background: var(--sf-color-card-bg);
  color: var(--sf-color-primary);
  border-color: var(--sf-color-primary);
  width: 100%;
}

.sf-btn-secondary:hover {
  background: #eef8ec;
}

.sf-btn-secondary:disabled {
  color: var(--sf-color-text-muted);
  border-color: var(--sf-color-border);
  background: var(--sf-color-bg-light);
  cursor: not-allowed;
}

.sf-btn-remove {
  background: transparent;
  color: var(--sf-color-danger);
  border-color: var(--sf-color-danger);
  padding: 6px 14px;
  font-size: 0.82rem;
}

.sf-btn-remove:hover {
  background: var(--sf-color-danger-bg);
}

.sf-submit-row {
  margin-top: var(--sf-spacing-lg);
  margin-bottom: var(--sf-spacing-md);
}

.sf-positions-hint {
  font-size: 0.82rem;
  color: var(--sf-color-text-muted);
  margin-top: var(--sf-spacing-sm);
  text-align: center;
}

/* ---------------------------------------------------------------------------
   8. Kundendaten-Grid
   --------------------------------------------------------------------------- */
.sf-kunde-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: var(--sf-spacing-md);
}

/* ---------------------------------------------------------------------------
   9. Responsive: ab 900px zweispaltiges Layout
   --------------------------------------------------------------------------- */
@media (min-width: 900px) {
  .stahlformular-wrapper {
  }

  /* Positionsraster: Artikel über volle Breite, Menge/Länge/Güte/Oberfläche
     in drei Spalten darunter */
  .sf-position-grid {
    grid-template-columns: repeat(3, 1fr);
  }

  .sf-field-artikel {
    grid-column: 1 / -1;
  }

  .sf-field-menge {
    grid-column: 1 / -1;
  }

  .sf-field-laenge,
  .sf-field-guete,
  .sf-field-oberflaeche {
    grid-column: span 1;
  }

  /* Kundendaten: zweispaltiges Layout, einzelne Felder über volle Breite */
  .sf-kunde-grid {
    grid-template-columns: 1fr 1fr;
  }

  .sf-kunde-grid .sf-field:nth-child(4),
  .sf-kunde-grid .sf-field:nth-child(7),
  .sf-kunde-grid .sf-field:nth-child(8) {
    grid-column: 1 / -1;
  }
}

/* ---------------------------------------------------------------------------
   10. Reduced Motion (Accessibility)
   --------------------------------------------------------------------------- */
@media (prefers-reduced-motion: reduce) {
  .sf-position-enter,
  .sf-position-leave,
  .sf-conditional-field {
    animation: none !important;
  }

  .sf-btn,
  .sf-input,
  .sf-radio-option {
    transition: none !important;
  }
}



.wpcf7-list-item-label {
  margin-left: .5rem;
}