/* ============================================================
   Support-Formular — infra-struktur.de
   iframe-optimiert, self-contained
   ============================================================ */

@import url('https://fonts.googleapis.com/css2?family=Inter:wght@400;500;600;700&display=swap');

:root {
  --primary:      #1D5FAD;
  --primary-dark: #154a8a;
  --primary-light:#EBF2FB;
  --accent:       #E85D26;
  --bg:           #F5F7FA;
  --surface:      #FFFFFF;
  --border:       #DDE3EC;
  --border-focus: #1D5FAD;
  --text:         #1A2333;
  --muted:        #6B7A99;
  --error:        #D93535;
  --error-bg:     #FEF0F0;
  --success:      #27A060;
  --success-bg:   #EDF7F2;
  --shadow:       0 2px 12px rgba(29,95,173,.10), 0 1px 3px rgba(0,0,0,.06);
  --radius:       8px;
  --radius-sm:    5px;
}

*, *::before, *::after {
  box-sizing: border-box;
  margin: 0;
  padding: 0;
}

html {
  font-size: 16px;
  -webkit-text-size-adjust: 100%;
}

body {
  font-family: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;
  background: var(--bg);
  color: var(--text);
  line-height: 1.6;
  min-height: 100vh;
  padding: 24px 16px 40px;
}

/* ── Page Wrapper ── */
.page-wrapper {
  max-width: 680px;
  margin: 0 auto;
}

/* ── Card ── */
.form-card {
  background: var(--surface);
  border-radius: 12px;
  box-shadow: var(--shadow);
  overflow: hidden;
}

/* ── Card Header ── */
.card-header {
  background: linear-gradient(135deg, var(--primary) 0%, #1a4d8f 100%);
  padding: 28px 32px 24px;
  position: relative;
  overflow: hidden;
}

.card-header::before {
  content: '';
  position: absolute;
  top: -40px;
  right: -40px;
  width: 180px;
  height: 180px;
  background: rgba(255,255,255,.06);
  border-radius: 50%;
}

.card-header::after {
  content: '';
  position: absolute;
  bottom: -60px;
  right: 60px;
  width: 120px;
  height: 120px;
  background: rgba(232,93,38,.15);
  border-radius: 50%;
}

.header-top {
  display: flex;
  align-items: flex-start;
  justify-content: space-between;
  gap: 16px;
  position: relative;
  z-index: 1;
}

.header-text h1 {
  font-size: 1.4rem;
  font-weight: 700;
  color: #fff;
  letter-spacing: -.02em;
  line-height: 1.3;
}

.header-text p {
  font-size: .875rem;
  color: rgba(255,255,255,.75);
  margin-top: 6px;
}

.header-logo-wrap {
  flex-shrink: 0;
  display: flex;
  align-items: center;
}

.header-logo {
  display: block;
  height: 28px;
  width: auto;
  filter: brightness(0) invert(1);
  opacity: .9;
}

/* ── Progress Indicator ── */
.required-note {
  position: relative;
  z-index: 1;
  margin-top: 16px;
  font-size: .75rem;
  color: rgba(255,255,255,.65);
}

.required-note abbr {
  color: #FFB347;
  text-decoration: none;
  font-weight: 700;
}

/* ── Form Body ── */
.form-body {
  padding: 20px 32px 28px;
}

/* ── Section Divider ── */
.form-section {
  margin-bottom: 24px;
}

.section-label {
  font-size: .7rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: .1em;
  color: var(--muted);
  margin-bottom: 14px;
  display: flex;
  align-items: center;
  gap: 8px;
}

.section-label::after {
  content: '';
  flex: 1;
  height: 1px;
  background: var(--border);
}

/* ── Grid ── */
.field-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 14px;
}

/* ── Form Group ── */
.form-group {
  display: flex;
  flex-direction: column;
  gap: 5px;
}

.form-group.full-width {
  grid-column: 1 / -1;
}

/* ── Label ── */
label {
  font-size: .825rem;
  font-weight: 600;
  color: var(--text);
  display: flex;
  align-items: center;
  gap: 4px;
}

label .required {
  color: var(--accent);
  font-size: .9em;
}

label .optional {
  font-size: .75rem;
  font-weight: 400;
  color: var(--muted);
  margin-left: 2px;
}

/* ── Inputs ── */
input[type="text"],
input[type="email"],
input[type="tel"],
input[type="number"],
select,
textarea {
  width: 100%;
  padding: 10px 13px;
  border: 1.5px solid var(--border);
  border-radius: var(--radius-sm);
  font-family: inherit;
  font-size: .9rem;
  color: var(--text);
  background: var(--surface);
  transition: border-color .18s ease, box-shadow .18s ease, background .18s ease;
  outline: none;
  appearance: none;
  -webkit-appearance: none;
}

input[type="number"]::-webkit-inner-spin-button,
input[type="number"]::-webkit-outer-spin-button {
  -webkit-appearance: none;
  margin: 0;
}

input[type="number"] { -moz-appearance: textfield; }

input[type="text"]:hover,
input[type="email"]:hover,
input[type="tel"]:hover,
input[type="number"]:hover,
select:hover,
textarea:hover {
  border-color: #BBC8DA;
}

input[type="text"]:focus,
input[type="email"]:focus,
input[type="tel"]:focus,
input[type="number"]:focus,
select:focus,
textarea:focus {
  border-color: var(--border-focus);
  box-shadow: 0 0 0 3px rgba(29,95,173,.12);
  background: #FAFCFF;
}

input::placeholder,
textarea::placeholder {
  color: #B0BBCC;
}

/* ── Select ── */
.select-wrapper {
  position: relative;
}

.select-wrapper::after {
  content: '';
  position: absolute;
  right: 12px;
  top: 50%;
  transform: translateY(-50%);
  width: 0;
  height: 0;
  border-left: 5px solid transparent;
  border-right: 5px solid transparent;
  border-top: 6px solid var(--muted);
  pointer-events: none;
  transition: transform .18s ease;
}

.select-wrapper select {
  padding-right: 36px;
  cursor: pointer;
}

/* ── Textarea ── */
textarea {
  resize: vertical;
  min-height: 110px;
  max-height: 320px;
  line-height: 1.55;
}

.textarea-footer {
  display: flex;
  justify-content: flex-end;
  align-items: center;
  gap: 8px;
  margin-top: 4px;
}

.char-counter {
  font-size: .75rem;
  color: var(--muted);
  font-variant-numeric: tabular-nums;
}

.char-counter.warn { color: var(--accent); }
.char-counter.ok   { color: var(--success); }

/* ── Priorität Indikator ── */
.priority-wrapper {
  position: relative;
}

.priority-indicator {
  position: absolute;
  left: 11px;
  top: 50%;
  transform: translateY(-50%);
  width: 8px;
  height: 8px;
  border-radius: 50%;
  background: var(--muted);
  transition: background .2s;
  pointer-events: none;
}

.priority-wrapper select {
  padding-left: 28px;
}

.priority-indicator.minimal  { background: #B0BBCC; }
.priority-indicator.low      { background: var(--success); }
.priority-indicator.medium   { background: #F0A800; }
.priority-indicator.high     { background: var(--accent); }
.priority-indicator.critical { background: var(--error); box-shadow: 0 0 0 2px rgba(217,53,53,.2); }

/* ── File Upload ── */
.file-upload-area {
  border: 2px dashed var(--border);
  border-radius: var(--radius-sm);
  padding: 20px 16px;
  text-align: center;
  cursor: pointer;
  transition: border-color .2s, background .2s;
  position: relative;
}

.file-upload-area:hover,
.file-upload-area.dragover {
  border-color: var(--primary);
  background: var(--primary-light);
}

.file-upload-area input[type="file"] {
  position: absolute;
  inset: 0;
  opacity: 0;
  cursor: pointer;
  width: 100%;
  height: 100%;
}

.upload-icon {
  width: 36px;
  height: 36px;
  margin: 0 auto 8px;
  color: var(--muted);
}

.upload-text {
  font-size: .825rem;
  color: var(--muted);
  line-height: 1.5;
}

.upload-text strong {
  color: var(--primary);
  font-weight: 600;
}

.upload-hint {
  font-size: .72rem;
  color: #9DADC4;
  margin-top: 4px;
}

.file-list {
  margin-top: 10px;
  display: flex;
  flex-direction: column;
  gap: 6px;
}

.file-item {
  display: flex;
  align-items: center;
  gap: 8px;
  padding: 7px 10px;
  background: var(--primary-light);
  border-radius: var(--radius-sm);
  font-size: .8rem;
  color: var(--primary);
}

.file-item svg {
  flex-shrink: 0;
  width: 14px;
  height: 14px;
}

.file-item .file-name {
  flex: 1;
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
}

.file-item .file-remove {
  cursor: pointer;
  opacity: .6;
  transition: opacity .15s;
  background: none;
  border: none;
  color: inherit;
  padding: 0;
  display: flex;
}

.file-item .file-remove:hover { opacity: 1; }

/* ── Validation States ── */
.form-group.is-valid input,
.form-group.is-valid select,
.form-group.is-valid textarea {
  border-color: var(--success);
}

.form-group.is-invalid input,
.form-group.is-invalid select,
.form-group.is-invalid textarea {
  border-color: var(--error);
  background: var(--error-bg);
}

.field-error {
  font-size: .775rem;
  color: var(--error);
  display: none;
  align-items: center;
  gap: 4px;
}

.form-group.is-invalid .field-error {
  display: flex;
}

/* ── Submit Button ── */
.form-footer {
  padding: 0 32px 28px;
}

.submit-btn {
  width: 100%;
  padding: 13px 24px;
  background: var(--primary);
  color: #fff;
  border: none;
  border-radius: var(--radius-sm);
  font-family: inherit;
  font-size: .95rem;
  font-weight: 600;
  cursor: pointer;
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  transition: background .18s ease, transform .12s ease, box-shadow .18s ease;
  box-shadow: 0 2px 8px rgba(29,95,173,.3);
  position: relative;
  overflow: hidden;
}

.submit-btn:hover:not(:disabled) {
  background: var(--primary-dark);
  box-shadow: 0 4px 14px rgba(29,95,173,.4);
  transform: translateY(-1px);
}

.submit-btn:active:not(:disabled) {
  transform: translateY(0);
  box-shadow: 0 2px 6px rgba(29,95,173,.25);
}

.submit-btn:disabled {
  opacity: .7;
  cursor: not-allowed;
}

.submit-btn .btn-icon {
  width: 18px;
  height: 18px;
  transition: transform .2s;
}

.submit-btn:hover:not(:disabled) .btn-icon {
  transform: translateX(2px);
}

/* Spinner */
.spinner {
  display: none;
  width: 18px;
  height: 18px;
  border: 2.5px solid rgba(255,255,255,.35);
  border-top-color: #fff;
  border-radius: 50%;
  animation: spin .7s linear infinite;
}

.submit-btn.loading .spinner  { display: block; }
.submit-btn.loading .btn-text,
.submit-btn.loading .btn-icon { display: none; }

@keyframes spin {
  to { transform: rotate(360deg); }
}

/* ── Success State ── */
.success-panel {
  display: none;
  text-align: center;
  padding: 48px 32px;
}

.success-panel.visible {
  display: block;
}

.success-icon {
  width: 64px;
  height: 64px;
  background: var(--success-bg);
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  margin: 0 auto 20px;
  color: var(--success);
}

.success-icon svg {
  width: 32px;
  height: 32px;
}

.success-panel h2 {
  font-size: 1.25rem;
  font-weight: 700;
  color: var(--text);
  margin-bottom: 10px;
}

.success-panel p {
  font-size: .9rem;
  color: var(--muted);
  max-width: 360px;
  margin: 0 auto 24px;
  line-height: 1.65;
}

.ticket-ref {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  background: var(--primary-light);
  border: 1px solid rgba(29,95,173,.2);
  border-radius: 6px;
  padding: 10px 18px;
  font-size: .85rem;
  color: var(--primary);
  font-weight: 600;
  margin-bottom: 20px;
}

.new-ticket-btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 6px;
  padding: 9px 20px;
  background: transparent;
  border: 1.5px solid var(--border);
  border-radius: var(--radius-sm);
  font-family: inherit;
  font-size: .85rem;
  font-weight: 500;
  color: var(--muted);
  cursor: pointer;
  transition: border-color .15s, color .15s;
  flex: 1;
}

.new-ticket-btn:hover {
  border-color: var(--primary);
  color: var(--primary);
}

/* ── Ticket-Ref Hinweis ── */
.ticket-number-value {
  font-size: 1.05em;
  letter-spacing: .03em;
}

.ticket-ref-hint {
  display: block;
  margin: 0 auto;
  max-width: 360px;
  background: #FFF8F0;
  border: 1px solid rgba(232,93,38,.25);
  border-radius: 6px;
  padding: 10px 16px;
  font-size: .82rem;
  color: #7A4010;
  line-height: 1.6;
  text-align: center;
}

.ticket-ref-hint strong { color: #5C2E06; }

/* ── Success Actions ── */
.success-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
  justify-content: center;
  margin-top: 22px;
  max-width: 460px;
  margin-left: auto;
  margin-right: auto;
}

/* ── Tab-Selector (Signatur & ähnliche Felder) ── */
.tab-selector {
  display: flex;
  border: 1.5px solid var(--border);
  border-radius: var(--radius-sm);
  overflow: hidden;
}

.tab-btn {
  flex: 1;
  padding: 10px 12px;
  border: none;
  border-right: 1px solid var(--border);
  background: var(--surface);
  font-family: inherit;
  font-size: .825rem;
  font-weight: 500;
  color: var(--muted);
  cursor: pointer;
  transition: background .15s, color .15s;
  line-height: 1.3;
  text-align: center;
}

.tab-btn:last-child { border-right: none; }

.tab-btn:hover:not(.active) {
  background: var(--primary-light);
  color: var(--primary);
}

.tab-btn.active {
  background: var(--primary);
  color: #fff;
  font-weight: 600;
}

/* ── Feld-Hinweis (unter Input) ── */
.field-hint {
  font-size: .75rem;
  color: var(--muted);
  margin-top: 5px;
  line-height: 1.45;
}

.field-hint strong { color: var(--text); }

/* ── Passwort-Feld mit Anzeige-Toggle ── */
.pw-wrapper {
  position: relative;
  display: flex;
  align-items: center;
}
.pw-wrapper input {
  flex: 1;
  padding-right: 2.5rem;
}
.pw-toggle {
  position: absolute;
  right: .65rem;
  background: none;
  border: none;
  padding: 4px;
  cursor: pointer;
  color: var(--muted);
  display: flex;
  align-items: center;
  line-height: 1;
  transition: color .15s;
}
.pw-toggle:hover { color: var(--text); }

/* ── Kategorie-Zusatzfelder (Bug & New User) ── */
.bug-extra,
.new-user-extra {
  animation: fadeSlide .2s ease;
}

.nu-sub-label {
  margin-top: 20px;
  margin-bottom: 14px;
}

@keyframes fadeSlide {
  from { opacity: 0; transform: translateY(-6px); }
  to   { opacity: 1; transform: translateY(0); }
}

/* ── Instanz-URL-Hinweis ── */
.instanz-notice {
  display: flex;
  align-items: flex-start;
  gap: 10px;
  margin: 20px 32px 0;
  padding: 12px 16px;
  background: #FFF8EC;
  border: 1.5px solid #F5A623;
  border-radius: var(--radius-sm);
  font-size: .825rem;
  color: #7A4F00;
  line-height: 1.5;
}

.instanz-notice svg { flex-shrink: 0; margin-top: 1px; color: #E8920A; }
.instanz-notice strong { color: #5A3A00; }
.instanz-notice code {
  display: inline-block;
  margin-top: 4px;
  padding: 2px 6px;
  background: rgba(0,0,0,.06);
  border-radius: 3px;
  font-size: .78rem;
  font-family: 'SFMono-Regular', Consolas, monospace;
  word-break: break-all;
}

/* ── API-Prefill Badge & Felder ── */
.prefill-badge {
  display: inline-flex;
  align-items: center;
  gap: 4px;
  margin-left: 8px;
  padding: 2px 8px;
  background: var(--success-bg);
  color: var(--success);
  border-radius: 20px;
  font-size: .7rem;
  font-weight: 600;
  text-transform: none;
  letter-spacing: 0;
  vertical-align: middle;
}

input.prefilled {
  background: var(--success-bg);
  border-color: var(--success);
  color: var(--text);
}

/* ── Tag-Input mit Dropdown ── */
.tag-picker {
  position: relative;
}

.tag-input-box {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 5px;
  min-height: 42px;
  padding: 5px 10px;
  border: 1.5px solid var(--border);
  border-radius: var(--radius-sm);
  background: var(--surface);
  cursor: text;
  transition: border-color .15s;
}

.tag-input-box:focus-within {
  border-color: var(--border-focus);
  outline: none;
}

.tag-chips {
  display: contents;
}

.tag-chip {
  display: inline-flex;
  align-items: center;
  gap: 4px;
  padding: 3px 8px 3px 10px;
  background: var(--primary);
  color: #fff;
  border-radius: 20px;
  font-size: .78rem;
  font-weight: 500;
  white-space: nowrap;
  max-width: 200px;
  overflow: hidden;
  text-overflow: ellipsis;
}

.tag-chip-remove {
  display: flex;
  align-items: center;
  justify-content: center;
  width: 16px;
  height: 16px;
  border: none;
  background: rgba(255,255,255,.25);
  border-radius: 50%;
  color: #fff;
  font-size: .8rem;
  line-height: 1;
  cursor: pointer;
  flex-shrink: 0;
  padding: 0;
  transition: background .15s;
}

.tag-chip-remove:hover { background: rgba(255,255,255,.45); }

.tag-search-input {
  flex: 1;
  min-width: 120px;
  border: none;
  outline: none;
  font-family: inherit;
  font-size: .875rem;
  color: var(--text);
  background: transparent;
  padding: 3px 2px;
}

.tag-search-input::placeholder { color: var(--muted); }

.tag-dropdown {
  position: absolute;
  top: calc(100% + 3px);
  left: 0; right: 0;
  background: var(--surface);
  border: 1.5px solid var(--border);
  border-radius: var(--radius-sm);
  box-shadow: 0 4px 16px rgba(0,0,0,.10);
  max-height: 220px;
  overflow-y: auto;
  z-index: 100;
}

.tag-dropdown-item {
  padding: 9px 14px;
  font-size: .875rem;
  color: var(--text);
  cursor: pointer;
  transition: background .1s;
}

.tag-dropdown-item:hover { background: var(--primary-light); color: var(--primary); }

/* ── Checkbox-Label ── */
.checkbox-label {
  display: flex;
  align-items: center;
  gap: 8px;
  font-size: .875rem;
  color: var(--text);
  cursor: pointer;
}

.checkbox-label input[type="checkbox"] {
  width: 16px;
  height: 16px;
  accent-color: var(--primary);
  cursor: pointer;
  flex-shrink: 0;
}

/* ── Neuer-IFS-Benutzer Tab-Navigation ── */
.nu-tab-strip {
  display: flex;
  gap: 0;
  margin-bottom: 20px;
  border: 1.5px solid var(--border);
  border-radius: var(--radius-sm);
  overflow: hidden;
  background: var(--surface);
}

.nu-tab {
  flex: 1;
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 3px;
  padding: 10px 8px;
  border: none;
  border-right: 1px solid var(--border);
  background: transparent;
  font-family: inherit;
  cursor: pointer;
  transition: background .15s, color .15s;
  color: var(--muted);
  text-align: center;
  line-height: 1.2;
}

.nu-tab:last-child { border-right: none; }

.nu-tab:hover:not(.active) {
  background: var(--primary-light);
  color: var(--primary);
}

.nu-tab.active {
  background: var(--primary);
  color: #fff;
}

.nu-tab-num {
  display: flex;
  align-items: center;
  justify-content: center;
  width: 22px;
  height: 22px;
  border-radius: 50%;
  background: rgba(255,255,255,.25);
  font-size: .7rem;
  font-weight: 700;
  line-height: 1;
}

.nu-tab:not(.active) .nu-tab-num {
  background: var(--border);
  color: var(--muted);
}

.nu-tab.active .nu-tab-num {
  background: rgba(255,255,255,.3);
  color: #fff;
}

.nu-tab-label {
  font-size: .75rem;
  font-weight: 500;
}

.nu-tab-panel { animation: fadeSlide .18s ease; }

@media (max-width: 480px) {
  .nu-tab { padding: 8px 4px; }
  .nu-tab-label { font-size: .65rem; }
  .nu-tab-num { width: 18px; height: 18px; font-size: .6rem; }
}

/* ── Responsive ── */
@media (max-width: 540px) {
  body { padding: 12px 10px 32px; }

  .card-header    { padding: 20px 20px 18px; }
  .form-body      { padding: 20px 20px; }
  .form-footer    { padding: 0 20px 22px; }

  .header-text h1 { font-size: 1.15rem; }
  .header-logo    { height: 22px; }

  .field-grid { grid-template-columns: 1fr; }

  .success-panel   { padding: 36px 20px; }
  .success-actions { flex-direction: column; align-items: center; }
}