:root {
  color-scheme: light;
  --bg: #f6f9fd;
  --surface: #fbfdff;
  --surface-strong: #ffffff;
  --surface-tint: #edf8f4;
  --text: #24333d;
  --muted: #62727e;
  --line: #dbe5eb;
  --accent: #4c9d89;
  --accent-strong: #276b5b;
  --accent-soft: #dff3ec;
  --focus: #317f6d;
  --warning-bg: #fff4cf;
  --warning-text: #6d5417;
  --shadow: 0 16px 38px rgba(84, 112, 136, 0.11);
  --radius-card: 16px;
  --radius-control: 10px;
  --max-width: 1360px;
  --header-height: 68px;
}

* {
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
  scroll-padding-top: calc(var(--header-height) + 18px);
}

body {
  margin: 0;
  background: var(--bg);
  color: var(--text);
  font-family: "Avenir Next", Avenir, "Segoe UI", system-ui, sans-serif;
  font-size: 16px;
  line-height: 1.55;
}

button,
input {
  font: inherit;
}

button,
a {
  -webkit-tap-highlight-color: transparent;
}

a {
  color: inherit;
}

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

.skip-link {
  position: fixed;
  top: 10px;
  left: 10px;
  z-index: 3;
  transform: translateY(-150%);
  border-radius: var(--radius-control);
  background: var(--accent-strong);
  color: #f8fffd;
  padding: 10px 14px;
}

.skip-link:focus {
  transform: translateY(0);
}

.site-header {
  position: sticky;
  top: 0;
  z-index: 2;
  min-height: var(--header-height);
  border-bottom: 1px solid color-mix(in srgb, var(--line) 78%, transparent);
  background: color-mix(in srgb, #ffffff 90%, transparent);
  backdrop-filter: blur(16px);
}

.header-inner {
  width: min(calc(100% - 40px), var(--max-width));
  min-height: var(--header-height);
  margin: 0 auto;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 20px;
}

.brand {
  display: inline-flex;
  align-items: center;
  gap: 12px;
  color: var(--text);
  text-decoration: none;
  font-weight: 750;
  letter-spacing: -0.02em;
}

.brand-mark {
  display: grid;
  width: 38px;
  height: 38px;
  place-items: center;
  border-radius: 10px;
  background: var(--accent);
  color: #f8fffd;
  font-size: 13px;
  font-weight: 800;
  letter-spacing: -0.02em;
}

.header-note {
  color: var(--muted);
  font-size: 14px;
}

main {
  width: min(calc(100% - 40px), var(--max-width));
  margin: 0 auto;
}

.intro {
  padding: 48px 0 40px;
}

h1,
h2,
h3,
p {
  margin-top: 0;
}

.search-panel {
  width: 100%;
  border: 1px solid #cfe6de;
  border-radius: var(--radius-card);
  background: #eff9f5;
  padding: 28px 32px;
  box-shadow: var(--shadow);
}

.search-panel label {
  display: block;
  margin-bottom: 12px;
  color: var(--text);
  font-size: clamp(22px, 2.5vw, 30px);
  font-weight: 750;
  letter-spacing: -0.035em;
}

.search-field {
  display: flex;
  gap: 8px;
}

.search-field input {
  min-width: 0;
  flex: 1;
  height: 68px;
  border: 1px solid #9caeaa;
  border-radius: var(--radius-control);
  background: var(--surface);
  color: var(--text);
  padding: 0 20px;
  font-size: 18px;
}

.search-field input::placeholder {
  color: #65746f;
}

.search-field input:focus,
button:focus-visible,
a:focus-visible,
summary:focus-visible {
  outline: 3px solid color-mix(in srgb, var(--focus) 36%, transparent);
  outline-offset: 2px;
}

.clear-button,
.secondary-button,
.primary-button {
  min-height: 44px;
  border-radius: var(--radius-control);
  padding: 0 14px;
  cursor: pointer;
  font-weight: 700;
  white-space: nowrap;
}

.clear-button,
.secondary-button {
  border: 1px solid var(--line);
  background: var(--surface);
  color: var(--text);
}

.primary-button {
  border: 1px solid var(--accent);
  background: var(--accent);
  color: #f8fffd;
}

.clear-button:hover,
.secondary-button:hover {
  border-color: var(--accent);
  color: var(--accent);
}

.clear-button:active,
.secondary-button:active,
.primary-button:active {
  transform: translateY(1px);
}

.search-hint {
  margin: 12px 0 0;
  color: var(--muted);
  font-size: 13px;
}

.workspace {
  display: grid;
  grid-template-columns: 270px minmax(0, 1fr);
  gap: clamp(26px, 4vw, 56px);
  align-items: start;
  padding-bottom: 80px;
}

.task-index {
  position: sticky;
  top: calc(var(--header-height) + 24px);
  max-height: calc(100dvh - var(--header-height) - 48px);
  overflow: auto;
  scrollbar-width: thin;
}

.index-heading {
  display: flex;
  justify-content: space-between;
  align-items: baseline;
  gap: 12px;
  margin-bottom: 14px;
}

.index-heading h2,
.task-area-heading h2 {
  margin-bottom: 0;
  font-size: 20px;
  letter-spacing: -0.025em;
}

#result-count {
  color: var(--muted);
  font-size: 13px;
  white-space: nowrap;
}

#task-links {
  display: grid;
  gap: 5px;
}

.task-link {
  display: grid;
  grid-template-columns: 28px minmax(0, 1fr);
  gap: 8px;
  align-items: start;
  border-radius: var(--radius-control);
  padding: 8px 10px;
  color: var(--muted);
  text-decoration: none;
  font-size: 14px;
  line-height: 1.35;
}

.task-link:hover {
  background: #e8f5f0;
  color: var(--text);
}

.task-link-number {
  color: var(--accent);
  font-variant-numeric: tabular-nums;
  font-weight: 750;
}

.task-area-heading {
  display: flex;
  align-items: end;
  justify-content: space-between;
  gap: 24px;
  margin-bottom: 18px;
}

.task-area-heading p {
  margin: 3px 0 0;
  color: var(--muted);
  font-size: 14px;
}

.task-grid {
  display: grid;
  gap: 14px;
}

.task-card {
  scroll-margin-top: calc(var(--header-height) + 18px);
  border: 1px solid var(--line);
  border-radius: var(--radius-card);
  background: var(--surface-strong);
  box-shadow: 0 6px 20px rgba(84, 112, 136, 0.055);
  overflow: clip;
}

.task-card[open] {
  border-color: color-mix(in srgb, var(--accent) 35%, var(--line));
  box-shadow: var(--shadow);
}

.task-summary {
  display: grid;
  grid-template-columns: 44px minmax(0, 1fr) auto;
  gap: 14px;
  align-items: center;
  min-height: 94px;
  padding: 18px 20px;
  cursor: pointer;
  list-style: none;
}

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

.task-summary:hover {
  background: #f7fbfd;
}

.task-number {
  display: grid;
  width: 44px;
  height: 44px;
  place-items: center;
  border-radius: 12px;
  background: var(--accent-soft);
  color: var(--accent-strong);
  font-weight: 800;
  font-variant-numeric: tabular-nums;
}

.task-title {
  margin: 0 0 2px;
  font-size: 19px;
  line-height: 1.25;
  letter-spacing: -0.025em;
}

.task-app {
  color: var(--accent-strong);
  font-size: 13px;
}

.task-app-copy {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  max-width: 100%;
  border-radius: 7px;
  cursor: copy;
  font-weight: 650;
  text-decoration: underline;
  text-decoration-color: color-mix(in srgb, var(--accent) 45%, transparent);
  text-decoration-style: dashed;
  text-underline-offset: 3px;
}

.task-app-copy:hover {
  color: #174f43;
  text-decoration-color: var(--accent);
}

.task-app-copy:focus-visible {
  outline: 3px solid color-mix(in srgb, var(--focus) 28%, transparent);
  outline-offset: 3px;
}

.copy-hint {
  border-radius: 999px;
  background: #e6f3ff;
  color: #315f7f;
  padding: 2px 7px;
  font-size: 10px;
  font-weight: 800;
  text-decoration: none;
  white-space: nowrap;
}

.task-app-copy.is-copied .copy-hint {
  background: #dcf4e7;
  color: #256142;
}

.expand-label {
  border: 1px solid var(--line);
  border-radius: 999px;
  padding: 6px 10px;
  color: var(--muted);
  font-size: 12px;
  font-weight: 700;
}

.task-card[open] .expand-label {
  border-color: var(--accent-soft);
  background: var(--accent-soft);
  color: var(--accent-strong);
}

.task-content {
  border-top: 1px solid var(--line);
  padding: 22px 20px 24px 78px;
}

.task-meta {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  margin-bottom: 20px;
}

.meta-item {
  border-radius: 999px;
  background: var(--surface-tint);
  color: var(--muted);
  padding: 5px 10px;
  font-size: 12px;
  font-weight: 700;
}

.task-card[data-category="Berechtigungen"] .task-number,
.task-card[data-category="Berechtigungen"] .meta-item {
  background: #eee8fb;
  color: #5d497d;
}

.task-card[data-category="Stammdaten"] .task-number,
.task-card[data-category="Stammdaten"] .meta-item {
  background: #ffeadf;
  color: #7a4b32;
}

.task-card[data-category="Finanzen"] .task-number,
.task-card[data-category="Finanzen"] .meta-item {
  background: #e5f1ff;
  color: #365f88;
}

.task-card[data-category="Controlling"] .task-number,
.task-card[data-category="Controlling"] .meta-item {
  background: #e3f5ed;
  color: #386d58;
}

.task-card[data-category="Source to Pay"] .task-number,
.task-card[data-category="Source to Pay"] .meta-item {
  background: #ffe8ef;
  color: #81475a;
}

.task-card[data-category="Design to Operate"] .task-number,
.task-card[data-category="Design to Operate"] .meta-item {
  background: #fff1cb;
  color: #72591b;
}

.task-card[data-category="Lead to Cash"] .task-number,
.task-card[data-category="Lead to Cash"] .meta-item {
  background: #dff4f6;
  color: #316b70;
}

.task-note {
  margin: 0 0 20px;
  border-left: 3px solid #c38d16;
  background: var(--warning-bg);
  color: var(--warning-text);
  padding: 12px 14px;
  border-radius: 0 var(--radius-control) var(--radius-control) 0;
  font-size: 14px;
}

.steps {
  display: grid;
  gap: 11px;
  margin: 0;
  padding: 0;
  list-style: none;
}

.step {
  display: grid;
  grid-template-columns: 25px minmax(0, 1fr);
  gap: 11px;
  align-items: start;
}

.step input {
  width: 20px;
  height: 20px;
  margin: 3px 0 0;
  accent-color: var(--accent);
  cursor: pointer;
}

.step label {
  cursor: pointer;
}

.step input:checked + label {
  color: var(--muted);
  text-decoration: line-through;
  text-decoration-thickness: 1px;
}

.empty-state {
  border: 1px dashed #9caeaa;
  border-radius: var(--radius-card);
  background: var(--surface);
  padding: 48px 24px;
  text-align: center;
}

.empty-state h3 {
  margin-bottom: 6px;
}

.empty-state p {
  color: var(--muted);
}

footer {
  border-top: 1px solid var(--line);
  padding: 28px 20px 38px;
  color: var(--muted);
  text-align: center;
  font-size: 13px;
}

footer p {
  margin: 0;
}

.copy-feedback {
  position: fixed;
  right: 24px;
  bottom: 24px;
  z-index: 3;
  max-width: min(360px, calc(100% - 32px));
  border: 1px solid #b9dfd1;
  border-radius: var(--radius-control);
  background: #e5f6ef;
  color: #245e4e;
  padding: 11px 14px;
  box-shadow: var(--shadow);
  font-size: 14px;
  font-weight: 750;
  opacity: 0;
  pointer-events: none;
  transform: translateY(8px);
  transition: opacity 160ms ease, transform 160ms ease;
}

.copy-feedback.is-visible {
  opacity: 1;
  transform: translateY(0);
}

.clipboard-helper {
  position: fixed;
  width: 1px;
  height: 1px;
  opacity: 0;
  pointer-events: none;
}

@media (max-width: 900px) {
  .workspace {
    grid-template-columns: 1fr;
  }

  .task-index {
    position: static;
    max-height: none;
    overflow: visible;
  }

  #task-links {
    display: flex;
    overflow-x: auto;
    gap: 8px;
    padding-bottom: 8px;
    scroll-snap-type: x proximity;
  }

  .task-link {
    min-width: 220px;
    border: 1px solid var(--line);
    background: var(--surface-strong);
    scroll-snap-align: start;
  }
}

@media (max-width: 600px) {
  :root {
    --header-height: 62px;
  }

  .header-inner,
  main {
    width: min(calc(100% - 28px), var(--max-width));
  }

  .header-note {
    display: none;
  }

  .intro {
    padding: 28px 0 32px;
  }

  .search-panel {
    padding: 20px;
  }

  .search-field {
    display: grid;
  }

  .search-field input {
    width: 100%;
    height: 60px;
    font-size: 16px;
  }

  .task-area-heading {
    align-items: start;
    flex-direction: column;
  }

  .task-summary {
    grid-template-columns: 40px minmax(0, 1fr);
    min-height: 86px;
    padding: 15px;
  }

  .task-number {
    width: 40px;
    height: 40px;
  }

  .expand-label {
    display: none;
  }

  .copy-hint {
    display: none;
  }

  .task-content {
    padding: 20px 15px 22px;
  }

  .copy-feedback {
    right: 16px;
    bottom: 16px;
  }
}

@media (prefers-reduced-motion: reduce) {
  html {
    scroll-behavior: auto;
  }

  .copy-feedback {
    transition: none;
  }
}