:root {
  --bg: #edf3f8;
  --bg-strong: #dde7f0;
  --panel: #ffffff;
  --line: #c7d4df;
  --line-strong: #8ea6ba;
  --text: #102536;
  --muted: #4a6377;
  --primary: #007e8a;
  --primary-strong: #006671;
  --primary-soft: #e5f5f7;
  --warn: #8e2c2c;
  --warn-soft: #fbefef;
  --ok: #0c7a55;
  --ok-soft: #e3f5ee;
  --radius: 14px;
  --radius-sm: 10px;
  --shadow: 0 14px 34px -28px rgba(16, 37, 54, 0.45);
}

* {
  box-sizing: border-box;
}

.is-hidden {
  display: none !important;
}

html,
body {
  margin: 0;
  padding: 0;
  -webkit-text-size-adjust: 100%;
}

body {
  font-family: "Segoe UI", "Calibri", "Tahoma", sans-serif;
  background:
    radial-gradient(circle at 15% -10%, #ffffff 0%, transparent 42%),
    radial-gradient(circle at 90% -25%, #e0eaf4 0%, transparent 38%),
    linear-gradient(180deg, var(--bg), var(--bg-strong));
  color: var(--text);
  min-height: 100dvh;
}

.app-shell {
  max-width: 1240px;
  margin: 0 auto;
  padding: 16px;
  padding-left: max(16px, env(safe-area-inset-left));
  padding-right: max(16px, env(safe-area-inset-right));
  padding-bottom: max(16px, env(safe-area-inset-bottom));
}

.app-header {
  display: flex;
  justify-content: space-between;
  gap: 12px;
  align-items: center;
  margin-bottom: 12px;
  padding: 4px 2px;
}

.header-actions {
  display: flex;
  align-items: center;
  flex-wrap: wrap;
  gap: 8px;
}

.brand-row {
  display: flex;
  align-items: center;
  gap: 12px;
}

.brand-logo {
  width: 46px;
  height: 46px;
  object-fit: contain;
}

.app-title {
  display: grid;
  gap: 2px;
}

.app-title h1 {
  margin: 0;
  font-size: clamp(1.2rem, 2.1vw, 1.75rem);
  letter-spacing: 0.01em;
}

.header-subtitle {
  margin: 0;
  color: #5a7388;
  font-size: 0.8rem;
  letter-spacing: 0.02em;
}

.progress-track {
  display: flex;
  gap: 8px;
  margin-bottom: 12px;
  flex-wrap: wrap;
}

.progress-step {
  border: 1px solid var(--line-strong);
  border-radius: 999px;
  padding: 8px 12px;
  font-size: 0.88rem;
  color: var(--muted);
  background: #f6fafc;
  font-weight: 600;
}

.progress-step.is-active {
  background: var(--primary-soft);
  border-color: var(--primary);
  color: var(--primary);
}

.progress-step.is-done {
  background: var(--ok-soft);
  border-color: var(--ok);
  color: var(--ok);
}

.app-grid {
  display: grid;
  grid-template-columns: minmax(300px, 360px) minmax(0, 1fr);
  gap: 12px;
  align-items: start;
}

.panel {
  border: 1px solid var(--line);
  border-radius: var(--radius);
  background: linear-gradient(180deg, #ffffff 0%, #fbfdff 100%);
  box-shadow: var(--shadow);
  padding: 12px;
}

.compact {
  padding: 11px;
}

.selection-column {
  display: grid;
  gap: 10px;
  align-content: start;
}

@media (min-width: 1181px) {
  .selection-column {
    position: sticky;
    top: 10px;
  }
}

.app-grid.is-runbook-stage {
  grid-template-columns: 1fr;
}

.app-grid.is-runbook-stage .selection-column {
  display: none;
}

.panel h2,
.panel h3 {
  margin: 0;
  font-size: 0.99rem;
}

.stage-hint {
  margin: 4px 0 0;
  color: var(--muted);
  font-size: 0.86rem;
  line-height: 1.3;
}

.eyebrow {
  margin: 0 0 2px;
  color: var(--muted);
  font-size: 0.75rem;
  letter-spacing: 0.07em;
  text-transform: uppercase;
  font-weight: 700;
}

.selection-list {
  margin-top: 9px;
  display: grid;
  gap: 7px;
}

.select-card {
  border: 1px solid var(--line);
  background: #fcfeff;
  color: var(--text);
  text-align: left;
  border-radius: var(--radius-sm);
  padding: 10px;
  cursor: pointer;
  transition: border-color 0.12s ease, background-color 0.12s ease;
}

.gateway-card {
  position: relative;
  border-left: 4px solid #9ab0bf;
  padding: 11px 10px 10px 11px;
}

.gateway-card::before {
  content: "";
  position: absolute;
  inset: 0;
  border-radius: var(--radius-sm);
  background: linear-gradient(90deg, rgba(0, 126, 138, 0.06) 0%, transparent 50%);
  pointer-events: none;
}

.gateway-card.is-selected {
  border-left-color: var(--primary);
}

.select-card:disabled {
  opacity: 0.48;
  cursor: not-allowed;
}

.select-card:hover:not(:disabled) {
  border-color: var(--line-strong);
}

.select-card.is-selected {
  border-color: var(--primary);
  background: var(--primary-soft);
}

.device-headline {
  display: grid;
  gap: 1px;
}

.device-headline strong {
  font-size: 0.99rem;
}

.device-headline span {
  font-size: 0.75rem;
  color: #5d778b;
  letter-spacing: 0.03em;
  text-transform: uppercase;
}

.device-description {
  margin-top: 5px;
}

.select-head {
  display: flex;
  justify-content: flex-start;
  gap: 6px;
  margin-bottom: 4px;
}

.select-head span {
  font-size: 0.77rem;
  color: var(--muted);
  font-weight: 600;
}

.select-card p {
  margin: 0;
  color: var(--muted);
  line-height: 1.32;
  font-size: 0.89rem;
}

.select-card p + p {
  margin-top: 3px;
}

.panel-actions {
  display: grid;
  gap: 7px;
}

.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  border: 1px solid var(--line);
  border-radius: var(--radius-sm);
  padding: 11px 12px;
  font-size: 0.94rem;
  font-weight: 600;
  text-decoration: none;
  color: inherit;
  cursor: pointer;
  min-height: 44px;
  touch-action: manipulation;
  -webkit-tap-highlight-color: transparent;
}

.btn:disabled {
  opacity: 0.48;
  cursor: not-allowed;
}

.btn-primary {
  background: var(--primary);
  color: #fff;
  border-color: var(--primary);
  box-shadow: 0 8px 18px -14px rgba(0, 126, 138, 0.8);
}

.btn-primary:hover {
  background: var(--primary-strong);
}

.btn-secondary {
  background: #f4f9fc;
  color: var(--text);
}

.btn-ghost {
  background: #fafdff;
  color: var(--text);
}

.btn-inline {
  min-height: 36px;
  width: auto;
  padding: 7px 10px;
  font-size: 0.82rem;
}

.content-panel {
  min-height: calc(100dvh - 180px);
}

.empty-state {
  display: grid;
  gap: 8px;
  padding: 8px 4px;
}

.empty-state h2 {
  margin: 0;
  font-size: 1.18rem;
}

.empty-state p {
  margin: 0;
  color: var(--muted);
  line-height: 1.35;
  font-size: 0.93rem;
}

.runbook-header {
  padding-bottom: 10px;
  border-bottom: 1px solid var(--line);
}

.runbook-header h2 {
  margin: 3px 0 6px;
  font-size: clamp(1.07rem, 1.9vw, 1.4rem);
}

.runbook-header p {
  margin: 0;
  color: var(--muted);
  line-height: 1.35;
  font-size: 0.92rem;
}

.runbook-layout {
  margin-top: 10px;
  display: grid;
  grid-template-columns: minmax(0, 1fr) minmax(240px, 305px);
  gap: 10px;
}

.global-guidance {
  display: grid;
  gap: 8px;
  margin: 10px 0 12px;
}

.guidance-note {
  border: 1px solid var(--line);
  border-radius: var(--radius-sm);
  background: #f8fcff;
}

.guidance-note summary {
  cursor: pointer;
  padding: 10px 11px;
  font-size: 0.9rem;
  font-weight: 700;
  color: var(--primary-strong);
  list-style: none;
}

.guidance-note summary::-webkit-details-marker {
  display: none;
}

.guidance-note summary::after {
  content: 'Ausklappen';
  float: right;
  font-size: 0.78rem;
  font-weight: 600;
  color: var(--muted);
}

.guidance-note[open] summary::after {
  content: 'Einklappen';
}

.guidance-grid {
  display: grid;
  gap: 8px;
  padding: 0 8px 8px;
}

.guidance-card {
  border: 1px solid var(--line);
  border-radius: var(--radius-sm);
  background: #fcfeff;
  padding: 9px 10px;
}

.guidance-card h3 {
  margin: 0 0 6px;
  font-size: 0.95rem;
}

.guidance-card p {
  margin: 0 0 6px;
  line-height: 1.38;
  color: var(--text);
}

.guidance-card ul {
  margin: 0;
  padding-left: 16px;
  font-size: 0.87rem;
  line-height: 1.32;
}

.guidance-card li + li {
  margin-top: 2px;
}

.guidance-card p:last-child {
  margin-bottom: 0;
}

.guidance-card a {
  color: var(--primary-strong);
  word-break: break-all;
}

.guidance-warning {
  border-color: #d8b1b1;
  background: var(--warn-soft);
}

.steps {
  display: grid;
  gap: 9px;
}

.step-card {
  border: 1px solid var(--line);
  border-radius: var(--radius-sm);
  padding: 11px;
  background: linear-gradient(180deg, #ffffff 0%, #fcfeff 100%);
}

.step-card header {
  display: flex;
  gap: 7px;
  align-items: center;
  margin-bottom: 9px;
}

.step-index {
  width: 30px;
  height: 30px;
  border-radius: 999px;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  background: var(--primary-soft);
  border: 1px solid var(--primary);
  color: #006773;
  font-weight: 700;
  font-size: 0.85rem;
}

.step-card h3 {
  margin: 0;
  font-size: 0.97rem;
}

.step-block + .step-block {
  margin-top: 9px;
}

.step-block h4 {
  margin: 0 0 4px;
  font-size: 0.79rem;
  text-transform: uppercase;
  letter-spacing: 0.07em;
  color: var(--muted);
}

.step-block ul {
  margin: 0;
  padding-left: 17px;
  line-height: 1.33;
  font-size: 0.9rem;
}

.step-block li + li {
  margin-top: 3px;
}

.list-info li::marker {
  color: #245a80;
}

.list-check li::marker {
  color: #0e7a56;
}

.list-action li::marker {
  color: #06748f;
}

.alert {
  margin: 9px 0 0;
  padding: 8px 9px;
  border-radius: var(--radius-sm);
  border: 1px solid #e8bbbb;
  background: var(--warn-soft);
  color: var(--warn);
  font-size: 0.88rem;
  font-weight: 600;
}

.outcome {
  margin: 9px 0 0;
  color: var(--muted);
  font-weight: 700;
  font-size: 0.88rem;
}

.checklist-panel h3 {
  margin-bottom: 4px;
}

.checklist-head {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 8px;
}

.checklist-panel p {
  margin: 0 0 8px;
  font-size: 0.87rem;
  color: var(--muted);
}

.panel-sticky {
  position: sticky;
  top: 10px;
}

.checklist {
  display: grid;
  gap: 7px;
}

.check-item {
  display: flex;
  gap: 7px;
  align-items: flex-start;
  border: 1px solid var(--line);
  border-radius: var(--radius-sm);
  padding: 10px;
  font-size: 0.89rem;
  background: #fbfeff;
  min-height: 44px;
  transition: border-color 0.12s ease, background-color 0.12s ease;
}

.check-item input {
  margin-top: 2px;
  width: 18px;
  height: 18px;
  accent-color: var(--primary);
}

.check-item.is-done {
  border-color: #9fcfbf;
  background: #edf9f3;
}

.check-item.is-done span {
  color: #275542;
  font-weight: 600;
}

@media (max-width: 1180px) {
  .app-shell {
    max-width: 1120px;
    padding: 14px;
    padding-left: max(14px, env(safe-area-inset-left));
    padding-right: max(14px, env(safe-area-inset-right));
  }

  .app-grid {
    grid-template-columns: minmax(280px, 340px) minmax(0, 1fr);
    gap: 10px;
  }

  .runbook-layout {
    grid-template-columns: minmax(0, 1fr) minmax(220px, 280px);
  }

  .content-panel {
    min-height: calc(100dvh - 170px);
  }

  .step-card {
    padding: 10px;
  }
}

@media (max-width: 980px) {
  .app-grid,
  .runbook-layout {
    grid-template-columns: 1fr;
  }

  .content-panel {
    min-height: auto;
  }

  .panel-sticky {
    position: static;
  }

  .btn {
    min-height: 46px;
  }

  .selection-column {
    position: static;
  }
}

@media (max-width: 767px) {
  .app-shell {
    padding: 10px;
    padding-left: max(10px, env(safe-area-inset-left));
    padding-right: max(10px, env(safe-area-inset-right));
    padding-bottom: max(10px, env(safe-area-inset-bottom));
  }

  .app-header {
    flex-direction: column;
    align-items: stretch;
    gap: 8px;
    padding: 2px 0 4px;
  }

  .header-actions {
    display: grid;
    grid-template-columns: repeat(3, minmax(0, 1fr));
    gap: 8px;
  }

  .brand-row {
    gap: 8px;
  }

  .brand-logo {
    width: 40px;
    height: 40px;
  }

  .app-title h1 {
    font-size: 1.35rem;
  }

  .header-subtitle {
    font-size: 0.76rem;
  }

  .btn {
    width: 100%;
    min-height: 48px;
  }

  .guidance-note summary {
    font-size: 0.88rem;
  }

  .guidance-card ul {
    font-size: 0.85rem;
  }

  .btn-inline {
    width: auto;
    min-height: 36px;
    padding: 6px 8px;
  }

  .progress-track {
    overflow-x: auto;
    padding-bottom: 3px;
    flex-wrap: nowrap;
    -webkit-overflow-scrolling: touch;
  }

  .progress-step {
    white-space: nowrap;
    font-size: 0.82rem;
    padding: 8px 11px;
  }

  .panel {
    border-radius: 12px;
    padding: 10px;
  }

  .compact {
    padding: 10px;
  }

  .selection-list {
    gap: 8px;
  }

  .select-card {
    padding: 10px;
  }

  .step-card {
    padding: 10px;
  }

  .step-block ul {
    font-size: 0.88rem;
  }

  .check-item {
    min-height: 48px;
  }
}

@media (max-width: 430px) {
  .app-shell {
    padding: 8px;
    padding-left: max(8px, env(safe-area-inset-left));
    padding-right: max(8px, env(safe-area-inset-right));
    padding-bottom: max(8px, env(safe-area-inset-bottom));
  }

  .brand-logo {
    width: 36px;
    height: 36px;
  }

  .app-title h1 {
    font-size: 1.26rem;
  }

  .header-subtitle {
    font-size: 0.74rem;
  }

  .select-card,
  .check-item,
  .btn {
    font-size: 0.9rem;
  }

  .header-actions {
    grid-template-columns: 1fr;
  }
}