:root {
  --c-bg: #f5f7fa;
  --c-surface: #ffffff;
  --c-border: #d8dde6;
  --c-border-strong: #b6bec9;
  --c-text: #1f2731;
  --c-text-soft: #5b6573;
  --c-text-mute: #8b95a3;
  --c-primary: #2c7a89;   /* Teal vom Steltzer-Logo */
  --c-primary-strong: #205c69;
  --c-accent: #7fb3bd;
  --c-error: #c4392f;
  --c-hint: #6f7a87;
  --r-sm: 4px;
  --r-md: 6px;
  --r-lg: 10px;
  --shadow-sm: 0 1px 2px rgba(15,23,42,.06);
  --shadow-md: 0 2px 8px rgba(15,23,42,.08);
  --space-1: 4px;
  --space-2: 8px;
  --space-3: 12px;
  --space-4: 16px;
  --space-5: 24px;
  --space-6: 32px;
  --space-7: 48px;
}

* { box-sizing: border-box; }

html, body {
  margin: 0;
  padding: 0;
  font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, "Helvetica Neue", Arial, sans-serif;
  color: var(--c-text);
  background: var(--c-bg);
  line-height: 1.5;
  -webkit-font-smoothing: antialiased;
}

.app {
  max-width: 960px;
  margin: 0 auto;
  padding: var(--space-7) var(--space-5) var(--space-6);
}

/* ============ Header / Brand ============ */
.app-header {
  text-align: center;
  margin-bottom: var(--space-6);
}
.brand-logo {
  display: block;
  margin: 0 auto var(--space-5);
  max-width: 380px;
  width: 100%;
  height: auto;
  object-fit: contain;
}
.app-header h1 {
  font-size: 1.75rem;
  font-weight: 600;
  margin: 0 0 var(--space-2);
}
.app-header .subtitle {
  margin: 0 0 var(--space-3);
  color: var(--c-text-soft);
  font-size: .95rem;
}
.autosave-note {
  margin: 0;
  font-size: .8rem;
  color: var(--c-text-mute);
  display: inline-flex;
  align-items: center;
  gap: 6px;
}
.autosave-note .dot {
  display: inline-block;
  width: 8px;
  height: 8px;
  border-radius: 50%;
  background: var(--c-accent);
  transition: background .2s;
}
.autosave-note.saving .dot { background: #f0b400; }
.autosave-note.saved .dot { background: #4ca77e; }

/* ============ Stepper ============ */
.stepper {
  background: var(--c-surface);
  border: 1px solid var(--c-border);
  border-radius: var(--r-lg);
  padding: var(--space-4) var(--space-5);
  margin-bottom: var(--space-5);
  box-shadow: var(--shadow-sm);
}
.stepper ol {
  display: flex;
  list-style: none;
  margin: 0;
  padding: 0;
  gap: 0;
  align-items: stretch;
}
.stepper li {
  flex: 1 1 0;
  display: flex;
  align-items: center;
  gap: var(--space-2);
  position: relative;
  min-width: 0;
  cursor: pointer;
  padding: 0 var(--space-3) 0 0;
}
.stepper li + li::before {
  content: "";
  flex: 0 0 12px;
  height: 1px;
  background: var(--c-border);
  margin-right: var(--space-2);
}
.stepper .num {
  flex: 0 0 28px;
  width: 28px;
  height: 28px;
  border-radius: 50%;
  background: var(--c-bg);
  border: 1px solid var(--c-border-strong);
  color: var(--c-text-soft);
  font-weight: 600;
  font-size: .85rem;
  display: inline-flex;
  align-items: center;
  justify-content: center;
}
.stepper .label {
  font-size: .82rem;
  color: var(--c-text-soft);
  line-height: 1.25;
  word-break: normal;
}
.stepper li.active .num {
  background: var(--c-primary);
  border-color: var(--c-primary);
  color: #fff;
}
.stepper li.active .label {
  color: var(--c-primary-strong);
  font-weight: 600;
}
.stepper li.done .num {
  background: var(--c-accent);
  border-color: var(--c-accent);
  color: #fff;
}
.stepper li.done .label { color: var(--c-text); }

/* ============ Pages / Cards ============ */
.page {
  background: var(--c-surface);
  border: 1px solid var(--c-border);
  border-radius: var(--r-lg);
  padding: var(--space-6) var(--space-5);
  box-shadow: var(--shadow-sm);
  margin-bottom: var(--space-4);
}
.page h2 {
  font-size: 1.25rem;
  font-weight: 600;
  margin: 0 0 var(--space-5);
  padding-bottom: var(--space-3);
  border-bottom: 1px solid var(--c-border);
}

/* ============ Grid / Fields ============ */
.grid {
  display: grid;
  grid-template-columns: repeat(12, 1fr);
  gap: var(--space-4);
}
.sub-grid {
  grid-column: 1 / -1;
  padding: var(--space-4);
  background: var(--c-bg);
  border-radius: var(--r-md);
  border: 1px dashed var(--c-border);
}
.span-2 { grid-column: span 2; }
.span-3 { grid-column: span 3; }
.span-4 { grid-column: span 4; }
.span-5 { grid-column: span 5; }
.span-6 { grid-column: span 6; }
.span-8 { grid-column: span 8; }
.span-9 { grid-column: span 9; }
.span-12 { grid-column: span 12; }

.section-title {
  font-size: .8rem;
  text-transform: uppercase;
  letter-spacing: .08em;
  color: var(--c-text-mute);
  font-weight: 600;
  padding-top: var(--space-3);
  border-top: 1px solid var(--c-border);
  margin-top: var(--space-2);
}

.field {
  display: flex;
  flex-direction: column;
  min-width: 0;
}
.field label {
  font-size: .85rem;
  font-weight: 500;
  margin-bottom: var(--space-1);
  line-height: 1.3;
}
.field .req {
  color: var(--c-error);
  margin-left: 3px;
  display: inline-block;
  white-space: nowrap;
}
.field .hint {
  font-size: .78rem;
  color: var(--c-hint);
  margin-top: var(--space-1);
  line-height: 1.4;
}

input[type="text"],
input[type="email"],
input[type="number"],
input[type="date"],
input[type="file"],
input:not([type]),
select,
textarea {
  width: 100%;
  font: inherit;
  color: var(--c-text);
  background: #fff;
  border: 1px solid var(--c-border);
  border-radius: var(--r-md);
  padding: 9px 11px;
  transition: border-color .15s, box-shadow .15s;
  min-width: 0;
}
input:focus, select:focus, textarea:focus {
  outline: none;
  border-color: var(--c-primary);
  box-shadow: 0 0 0 3px rgba(44,122,137,.15);
}
input.invalid, select.invalid {
  border-color: var(--c-error);
}

/* ============ Radios ============ */
.radio-group {
  display: flex;
  gap: var(--space-3);
  flex-wrap: wrap;
  padding: 4px 0;
}
.radio-group.vertical { flex-direction: column; gap: var(--space-2); }
.radio {
  display: inline-flex;
  align-items: center;
  gap: var(--space-2);
  font-size: .9rem;
  cursor: pointer;
  padding: 4px 0;
}
.radio input[type="radio"] {
  appearance: none;
  width: 16px;
  height: 16px;
  border: 1.5px solid var(--c-border-strong);
  border-radius: 50%;
  position: relative;
  margin: 0;
  cursor: pointer;
}
.radio input[type="radio"]:checked {
  border-color: var(--c-primary);
}
.radio input[type="radio"]:checked::after {
  content: "";
  position: absolute;
  top: 50%;
  left: 50%;
  transform: translate(-50%, -50%);
  width: 8px;
  height: 8px;
  border-radius: 50%;
  background: var(--c-primary);
}

/* ============ Buttons / Actions ============ */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  font: inherit;
  font-weight: 500;
  padding: 10px 18px;
  border-radius: var(--r-md);
  border: 1px solid transparent;
  cursor: pointer;
  transition: background .15s, border-color .15s, box-shadow .15s;
}
.btn.primary {
  background: var(--c-primary);
  color: #fff;
}
.btn.primary:hover { background: var(--c-primary-strong); }
.btn.primary:disabled { background: var(--c-border-strong); cursor: not-allowed; }
.btn.ghost {
  background: transparent;
  color: var(--c-text);
  border-color: var(--c-border);
}
.btn.ghost:hover { background: var(--c-bg); border-color: var(--c-border-strong); }
.btn.ghost:disabled { color: var(--c-text-mute); cursor: not-allowed; opacity: .6; }
.btn.secondary {
  background: #fff;
  color: var(--c-primary-strong);
  border-color: var(--c-primary);
}
.btn.secondary:hover { background: var(--c-bg); }
.btn.small { padding: 6px 12px; font-size: .85rem; }

.page-actions {
  display: flex;
  flex-wrap: wrap;
  justify-content: flex-end;
  align-items: center;
  gap: var(--space-3);
  margin-top: var(--space-6);
  padding-top: var(--space-4);
  border-top: 1px solid var(--c-border);
}
.page-actions [data-action="prev"] { margin-right: auto; }
.actions.inline { margin-top: var(--space-3); }
.dev-tools {
  display: flex;
  justify-content: flex-end;
  gap: var(--space-2);
  margin-top: var(--space-3);
  padding-top: var(--space-3);
  border-top: 1px dashed var(--c-border);
}

/* ============ Conditional fields ============ */
.cond[hidden],
.cond-wrap[hidden] { display: none !important; }

/* ============ Kinder Cards ============ */
.kind-card {
  position: relative;
  padding: var(--space-4);
  background: var(--c-bg);
  border: 1px solid var(--c-border);
  border-radius: var(--r-md);
  margin-bottom: var(--space-3);
}
.kind-card .kind-title {
  margin: 0 0 var(--space-3);
  font-size: .95rem;
  font-weight: 600;
  color: var(--c-text-soft);
}
.kind-card .remove {
  position: absolute;
  top: var(--space-3);
  right: var(--space-3);
  background: transparent;
  border: none;
  color: var(--c-text-mute);
  font-size: 1rem;
  cursor: pointer;
  padding: 4px 8px;
  border-radius: var(--r-sm);
}
.kind-card .remove:hover { background: var(--c-border); color: var(--c-error); }

/* ============ Lawyer / collapsible ============ */
.lawyer-section {
  background: #fafbfc;
  border: 1px dashed var(--c-border-strong);
  border-radius: var(--r-md);
  margin-top: var(--space-5);
  padding: 0 var(--space-4);
}
.lawyer-section > summary {
  font-size: .85rem;
  font-weight: 600;
  color: var(--c-text-soft);
  cursor: pointer;
  padding: var(--space-3) 0;
  list-style: none;
}
.lawyer-section > summary::before { content: "▸ "; }
.lawyer-section[open] > summary::before { content: "▾ "; }
.lawyer-section > .grid { padding-bottom: var(--space-4); }

/* ============ Info / Messages ============ */
.info {
  background: #eef6f8;
  border-left: 3px solid var(--c-accent);
  padding: var(--space-3) var(--space-4);
  border-radius: var(--r-sm);
  color: var(--c-text-soft);
  font-size: .9rem;
  margin: 0 0 var(--space-4);
}
.message {
  display: block;
  margin-top: var(--space-4);
  min-height: 1.4em;
  font-size: .9rem;
}
.message.error { color: var(--c-error); }
.message.success { color: var(--c-primary-strong); }

/* ============ Footer ============ */
.app-footer {
  text-align: center;
  font-size: .8rem;
  color: var(--c-text-mute);
  padding: var(--space-5) 0 var(--space-3);
  display: flex;
  flex-direction: column;
  gap: var(--space-1);
}

/* ============ Dev Tools ============ */
.dev-tools {
  text-align: right;
  margin-top: var(--space-3);
  padding-top: var(--space-3);
  border-top: 1px dashed var(--c-border);
}

/* ============ Responsive ============ */
@media (max-width: 900px) {
  .stepper .label { font-size: .75rem; }
}
@media (max-width: 720px) {
  .app { padding: var(--space-4); }
  .app-header h1 { font-size: 1.4rem; }
  .stepper { padding: var(--space-3); }
  .stepper .label { display: none; }
  .stepper li + li::before { flex-basis: 8px; }
  .page { padding: var(--space-4); }
  .grid { gap: var(--space-3); }
  [class*="span-"] { grid-column: span 12; }
  .page-actions .btn { flex: 1 1 30%; }
  .page-actions [data-action="prev"] { margin-right: 0; }
}