/* ═══════════════════════════════════════════
   TFA-AVA – Fahrauftrag Styles
   Mobile-first, iPhone/iPad optimized
   ═══════════════════════════════════════════ */

/* ─── Title Bar ─── */
.fa-title-bar {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-bottom: var(--sp-md);
}

.fa-title-bar h2 {
  font-size: var(--fs-xl);
  font-weight: var(--fw-bold);
}

.fa-title-actions {
  display: flex;
  gap: var(--sp-xs);
}

/* ─── Form Layout ─── */
.fa-form {
  display: flex;
  flex-direction: column;
  gap: var(--sp-md);
}

.fa-section {
  background: var(--c-bg-card);
  border: 1px solid var(--c-border);
  border-radius: var(--r-lg);
  overflow: hidden;
}

.fa-section-title {
  background: var(--c-primary);
  color: #fff;
  padding: var(--sp-sm) var(--sp-md);
  font-weight: var(--fw-semibold);
  font-size: var(--fs-sm);
  letter-spacing: 0.02em;
}

.fa-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: var(--sp-sm);
  padding: var(--sp-md);
}

@media (min-width: 600px) {
  .fa-grid {
    grid-template-columns: 1fr 1fr;
  }
  .fa-field-full {
    grid-column: 1 / -1;
  }
}

@media (min-width: 1024px) {
  .fa-grid {
    grid-template-columns: 1fr 1fr 1fr;
  }
}

/* ─── Fields ─── */
.fa-field {
  display: flex;
  flex-direction: column;
  gap: 4px;
}

.fa-field label {
  font-size: var(--fs-xs);
  color: var(--c-text-secondary);
  font-weight: var(--fw-medium);
  text-transform: uppercase;
  letter-spacing: 0.03em;
}

.fa-field input[type="text"],
.fa-field input[type="number"],
.fa-field input[type="date"],
.fa-field input[type="time"],
.fa-field textarea {
  background: var(--c-bg-input);
  border: 1px solid var(--c-border);
  border-radius: var(--r-sm);
  padding: 10px 12px;
  font-size: 16px; /* prevents iOS zoom */
  color: var(--c-text);
  transition: border-color var(--tr-fast);
  width: 100%;
}

.fa-field input:focus,
.fa-field textarea:focus {
  outline: none;
  border-color: var(--c-primary);
  box-shadow: 0 0 0 3px var(--c-primary-soft);
}

.fa-field textarea {
  resize: vertical;
  min-height: 60px;
}

/* ─── KM Live Result ─── */
.fa-km-result {
  background: var(--c-bg-input);
  border: 1px solid var(--c-border);
  border-radius: var(--r-sm);
  padding: 10px 12px;
  font-size: 18px;
  font-weight: var(--fw-bold);
  text-align: center;
  color: var(--c-text-muted);
  min-height: 44px;
  display: flex;
  align-items: center;
  justify-content: center;
}

/* ─── Toggle Switch ─── */
.fa-toggle-label {
  display: flex !important;
  align-items: center;
  justify-content: space-between;
  cursor: pointer;
  padding: 10px 0;
  font-size: var(--fs-base) !important;
  color: var(--c-text) !important;
  text-transform: none !important;
  letter-spacing: normal !important;
}

.fa-toggle {
  display: none;
}

.fa-toggle-slider {
  position: relative;
  width: 50px;
  height: 28px;
  background: var(--c-border);
  border-radius: var(--r-full);
  transition: background var(--tr-normal);
  flex-shrink: 0;
}

.fa-toggle-slider::after {
  content: '';
  position: absolute;
  top: 3px;
  left: 3px;
  width: 22px;
  height: 22px;
  background: #fff;
  border-radius: 50%;
  transition: transform var(--tr-normal);
  box-shadow: var(--shadow-sm);
}

.fa-toggle:checked + .fa-toggle-slider {
  background: var(--c-success);
}

.fa-toggle:checked + .fa-toggle-slider::after {
  transform: translateX(22px);
}

/* ─── Time Steps (chronological numbering) ─── */
.fa-step-nr {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 18px;
  height: 18px;
  border-radius: 50%;
  background: var(--c-primary);
  color: #fff;
  font-size: 10px;
  font-weight: var(--fw-bold);
  margin-right: 4px;
  flex-shrink: 0;
  vertical-align: middle;
}

/* ─── Fische in Ordnung (Kundenbestätigung, prominent) ─── */
.fa-section-fische {
  border: 2px solid var(--c-border);
  transition: border-color var(--tr-normal), background var(--tr-normal);
}

.fa-fische-header {
  padding: var(--sp-md) var(--sp-md) var(--sp-xs);
  display: flex;
  flex-direction: column;
  gap: 2px;
}

.fa-fische-label {
  font-size: var(--fs-lg);
  font-weight: var(--fw-bold);
  color: var(--c-text);
}

.fa-fische-hint {
  font-size: var(--fs-xs);
  color: var(--c-text-muted);
}

.fa-fische-toggle {
  display: flex;
  cursor: pointer;
  padding: var(--sp-sm) var(--sp-md) var(--sp-md);
}

.fa-fische-btn {
  display: flex;
  align-items: center;
  justify-content: center;
  width: 100%;
  padding: 14px;
  border-radius: var(--r-md);
  font-size: var(--fs-lg);
  font-weight: var(--fw-bold);
  transition: all var(--tr-normal);
  text-align: center;
}

.fa-fische-nok {
  border-color: var(--c-border);
}

.fa-fische-nok .fa-fische-btn {
  background: var(--c-bg-input);
  color: var(--c-text-muted);
}

.fa-fische-ok {
  border-color: var(--c-success);
  background: var(--c-success-soft);
}

.fa-fische-ok .fa-fische-btn {
  background: var(--c-success);
  color: #fff;
}

/* ─── Signature Pads (tap-to-sign) ─── */
.fa-sig-group {
  padding: var(--sp-md);
  display: flex;
  flex-direction: column;
  gap: var(--sp-md);
}

@media (min-width: 768px) {
  .fa-sig-group {
    flex-direction: row;
  }
  .fa-sig-block {
    flex: 1;
  }
}

.fa-sig-block label {
  display: block;
  font-size: var(--fs-xs);
  color: var(--c-text-secondary);
  font-weight: var(--fw-medium);
  text-transform: uppercase;
  letter-spacing: 0.03em;
  margin-bottom: 4px;
}

.fa-sig-wrapper {
  position: relative;
  border: 1px dashed var(--c-border);
  border-radius: var(--r-sm);
  background: #ffffff;
  overflow: hidden;
  min-height: 64px;
  cursor: pointer;
  transition: border-color var(--tr-fast), box-shadow var(--tr-fast);
}

.fa-sig-wrapper:active {
  border-color: var(--c-primary);
  box-shadow: 0 0 0 3px var(--c-primary-soft);
}

.fa-sig-preview {
  display: flex;
  align-items: center;
  justify-content: center;
  min-height: 64px;
  padding: var(--sp-sm);
  background: #ffffff;
}

.fa-sig-tap-hint {
  color: #6b7280 !important;
}

.fa-sig-preview-img {
  max-height: 56px;
  max-width: 100%;
  object-fit: contain;
}

.fa-sig-tap-hint {
  font-size: var(--fs-sm);
  color: var(--c-text-muted);
  user-select: none;
  -webkit-user-select: none;
}

.fa-sig-clear {
  position: absolute;
  top: 4px;
  right: 4px;
  background: var(--c-bg-elevated);
  border: 1px solid var(--c-border);
  border-radius: var(--r-full);
  width: 24px;
  height: 24px;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 12px;
  color: var(--c-text-secondary);
  cursor: pointer;
  opacity: 0.6;
  transition: opacity var(--tr-fast);
  z-index: 2;
}

.fa-sig-clear:hover {
  opacity: 1;
  color: var(--c-error);
}

/* ─── Signature Modal (fullscreen overlay) ─── */
.fa-sig-modal-overlay {
  display: none;
  position: fixed;
  inset: 0;
  z-index: 9999;
  background: rgba(0,0,0,0.7);
  backdrop-filter: blur(4px);
  -webkit-backdrop-filter: blur(4px);
  padding: var(--sp-md);
  align-items: center;
  justify-content: center;
}

.fa-sig-modal-overlay.active {
  display: flex;
}

.fa-sig-modal {
  background: #fff;
  border-radius: var(--r-lg);
  width: 100%;
  max-width: 700px;
  max-height: 90vh;
  display: flex;
  flex-direction: column;
  overflow: hidden;
  box-shadow: 0 20px 60px rgba(0,0,0,0.4);
}

.fa-sig-modal-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: var(--sp-sm) var(--sp-md);
  border-bottom: 1px solid #e5e7eb;
  background: #f9fafb;
}

.fa-sig-modal-title {
  font-size: var(--fs-base);
  font-weight: var(--fw-semibold);
  color: #1a1a1a;
}

.fa-sig-modal-btns {
  display: flex;
  gap: var(--sp-xs);
}

.fa-sig-modal-body {
  flex: 1;
  padding: var(--sp-sm);
  min-height: 200px;
}

.fa-sig-modal-canvas {
  display: block;
  width: 100%;
  height: 100%;
  min-height: 180px;
  border: 1px dashed #d1d5db;
  border-radius: var(--r-sm);
  background: #fff;
  cursor: crosshair;
  touch-action: none;
}

/* Landscape on mobile: use more vertical space */
@media (max-height: 500px) {
  .fa-sig-modal {
    max-height: 95vh;
  }
  .fa-sig-modal-body {
    min-height: 140px;
  }
}

/* ─── Action Bar ─── */
.fa-actions {
  display: flex;
  flex-wrap: wrap;
  gap: var(--sp-sm);
  margin-top: var(--sp-lg);
  padding-bottom: var(--sp-xl);
}

.fa-actions .btn {
  flex: 1;
  min-width: 140px;
  justify-content: center;
  padding: 12px 16px;
  font-size: var(--fs-base);
}

@media (max-width: 480px) {
  .fa-actions {
    flex-direction: column;
  }
  .fa-actions .btn {
    width: 100%;
  }
}

/* ─── Drafts Panel ─── */
.fa-drafts-panel {
  background: var(--c-bg-card);
  border: 1px solid var(--c-border);
  border-radius: var(--r-lg);
  margin-bottom: var(--sp-md);
  overflow: hidden;
  animation: fadeIn var(--tr-normal) forwards;
}

.fa-drafts-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: var(--sp-sm) var(--sp-md);
  border-bottom: 1px solid var(--c-border);
}

.fa-drafts-list {
  max-height: 300px;
  overflow-y: auto;
}

.fa-draft-item {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: var(--sp-sm) var(--sp-md);
  border-bottom: 1px solid var(--c-border-light);
  transition: background var(--tr-fast);
}

.fa-draft-item:last-child {
  border-bottom: none;
}

.fa-draft-item:hover {
  background: var(--c-primary-soft);
}

.fa-draft-info {
  display: flex;
  flex-direction: column;
  gap: 2px;
}

.fa-draft-info span {
  font-size: var(--fs-xs);
  color: var(--c-text-secondary);
}

.fa-draft-actions {
  display: flex;
  gap: 2px;
}

.fa-drafts-empty {
  padding: var(--sp-lg);
  text-align: center;
  color: var(--c-text-muted);
  font-size: var(--fs-sm);
}

/* ─── Optional / Collapsible Section (Verladeort) ─── */
.fa-section-optional {
  border-style: dashed;
}

.fa-section-title-optional {
  display: flex;
  align-items: center;
  cursor: pointer;
  gap: var(--sp-sm);
  user-select: none;
  -webkit-user-select: none;
}

.fa-optional-badge {
  font-size: 9px;
  font-weight: var(--fw-semibold);
  text-transform: uppercase;
  letter-spacing: 0.06em;
  background: rgba(255,255,255,0.2);
  padding: 1px 8px;
  border-radius: var(--r-full);
  margin-left: auto;
}

.fa-chevron {
  font-size: var(--fs-sm);
  transition: transform var(--tr-normal);
  line-height: 1;
}

.fa-chevron.collapsed {
  transform: rotate(-90deg);
}

.fa-optional-body {
  overflow: hidden;
  transition: max-height var(--tr-normal), opacity var(--tr-normal);
  max-height: 600px;
  opacity: 1;
}

.fa-optional-body.collapsed {
  max-height: 0;
  opacity: 0;
}

/* ─── iOS Safe Area ─── */
@supports (padding-bottom: env(safe-area-inset-bottom)) {
  .fa-actions {
    padding-bottom: calc(var(--sp-xl) + env(safe-area-inset-bottom));
  }
}