:root {
  color-scheme: light;
  --bg: #eef1f4;
  --panel: #ffffff;
  --panel-soft: #f7f8fa;
  --ink: #161a20;
  --muted: #626b76;
  --line: #d5dbe3;
  --accent: #245f9f;
  --accent-ink: #ffffff;
  --shadow: 0 14px 34px rgba(16, 24, 40, 0.14);
}

* {
  box-sizing: border-box;
}

body {
  margin: 0;
  min-height: 100vh;
  color: var(--ink);
  background: var(--bg);
  font-family: ui-sans-serif, system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
}

button,
input,
select {
  font: inherit;
}

.app-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 24px;
  min-height: 74px;
  padding: 14px 22px;
  border-bottom: 1px solid var(--line);
  background: var(--panel);
}

.eyebrow,
.document-kicker {
  margin: 0 0 3px;
  color: var(--muted);
  font-family: ui-monospace, SFMono-Regular, Menlo, Consolas, monospace;
  font-size: 12px;
  letter-spacing: 0;
  text-transform: uppercase;
}

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

.app-header h1 {
  margin: 0;
  font-size: 26px;
  line-height: 1;
}

.header-actions {
  display: flex;
  align-items: center;
  gap: 10px;
  flex-wrap: wrap;
}

.control {
  display: flex;
  align-items: center;
  gap: 8px;
  color: var(--muted);
  font-size: 13px;
}

.control select,
.filter-box input,
button,
.button-link {
  border: 1px solid var(--line);
  border-radius: 6px;
  background: var(--panel-soft);
  color: var(--ink);
}

.view-switch {
  display: inline-flex;
  padding: 3px;
  border: 1px solid var(--line);
  border-radius: 8px;
  background: var(--panel-soft);
}

.view-button {
  min-height: 28px;
  border: 0;
  border-radius: 5px;
  background: transparent;
}

.control select {
  min-width: 150px;
  padding: 7px 8px;
}

button,
.button-link {
  min-height: 34px;
  padding: 7px 12px;
  cursor: pointer;
}

.button-link {
  display: inline-flex;
  align-items: center;
  text-decoration: none;
}

button[aria-pressed="true"] {
  border-color: var(--accent);
  background: var(--accent);
  color: var(--accent-ink);
}

.drucksachen-workspace {
  display: grid;
  grid-template-columns: minmax(250px, 330px) minmax(0, 1fr);
  height: calc(100vh - 74px);
  min-height: 560px;
}

.document-sidebar,
.reader-shell,
.profile-panel {
  min-height: 0;
  overflow: auto;
}

.document-sidebar {
  border-right: 1px solid var(--line);
  background: var(--panel-soft);
  padding: 16px;
}

.filter-box {
  display: grid;
  gap: 7px;
  color: var(--muted);
  font-size: 13px;
}

.filter-box input {
  width: 100%;
  padding: 9px 10px;
  background: var(--panel);
}

.document-count {
  margin: 12px 0;
  color: var(--muted);
  font-size: 12px;
}

.document-list {
  display: grid;
  gap: 5px;
}

.document-link {
  display: grid;
  grid-template-columns: minmax(0, 1fr) auto;
  gap: 6px 10px;
  width: 100%;
  padding: 9px 10px;
  border: 1px solid transparent;
  border-radius: 6px;
  background: transparent;
  color: var(--ink);
  text-align: left;
}

.document-link:hover,
.document-link.active {
  border-color: var(--line);
  background: var(--panel);
}

.document-link.active {
  border-color: rgba(36, 95, 159, 0.45);
}

.document-link strong {
  overflow: hidden;
  font-family: ui-monospace, SFMono-Regular, Menlo, Consolas, monospace;
  font-size: 14px;
  text-overflow: ellipsis;
  white-space: nowrap;
}

.document-link span {
  color: var(--muted);
  font-size: 12px;
}

.document-link small {
  grid-column: 1 / -1;
  overflow: hidden;
  color: var(--muted);
  font-size: 12px;
  line-height: 1.25;
  text-overflow: ellipsis;
  white-space: nowrap;
}

.reader-shell {
  padding: 20px clamp(18px, 3vw, 42px) 40px;
}

.document-view[hidden],
.empty-view-message[hidden] {
  display: none;
}

.reader-toolbar {
  position: sticky;
  top: 0;
  z-index: 4;
  display: flex;
  align-items: flex-start;
  justify-content: space-between;
  gap: 18px;
  margin: -20px calc(clamp(18px, 3vw, 42px) * -1) 18px;
  padding: 18px clamp(18px, 3vw, 42px) 14px;
  border-bottom: 1px solid var(--line);
  background: rgba(238, 241, 244, 0.95);
  backdrop-filter: blur(10px);
}

.reader-toolbar h2 {
  max-width: 820px;
  margin: 0;
  font-size: 24px;
  line-height: 1.15;
}

.document-meta {
  margin: 8px 0 0;
  color: var(--muted);
  line-height: 1.35;
}

.status-badge {
  flex: 0 0 auto;
  display: inline-grid;
  min-width: 68px;
  min-height: 28px;
  place-items: center;
  padding: 4px 10px;
  border: 1px solid var(--line);
  border-radius: 999px;
  background: var(--panel);
  color: var(--muted);
  font-family: ui-monospace, SFMono-Regular, Menlo, Consolas, monospace;
  font-size: 12px;
}

.status-badge.error {
  border-color: #b8423a;
  color: #9e2f28;
}

.view-comparison {
  display: grid;
  grid-template-columns: repeat(var(--visible-view-count, 2), minmax(0, 1fr));
  align-items: start;
  gap: 18px;
}

.view-comparison[data-visible-count="1"] {
  --visible-view-count: 1;
}

.view-comparison[data-visible-count="2"] {
  --visible-view-count: 2;
}

.view-comparison[data-visible-count="3"] {
  --visible-view-count: 3;
}

.view-comparison[data-visible-count="4"] {
  --visible-view-count: 4;
}

.view-comparison[data-visible-count="1"],
.view-comparison[data-visible-count="2"],
.view-comparison[data-visible-count="3"],
.view-comparison[data-visible-count="4"] {
  grid-template-columns: minmax(0, 1fr);
}

@media (min-width: 920px) {
  .view-comparison[data-visible-count="2"],
  .view-comparison[data-visible-count="3"],
  .view-comparison[data-visible-count="4"] {
    grid-template-columns: repeat(var(--visible-view-count), minmax(0, 1fr));
  }
}

.markdown-view,
.render-view,
.pdf-view {
  overflow: hidden;
  min-height: calc(100vh - 164px);
  border: 1px solid var(--line);
  border-radius: 6px;
  background: var(--panel);
  box-shadow: var(--shadow);
}

.drucksache-preview {
  max-height: calc(100vh - 218px);
  overflow: auto;
  padding: 16px;
  background: #dde2e8;
}

.markdown-view pre {
  max-height: calc(100vh - 218px);
  overflow: auto;
  color: var(--ink);
  background: var(--panel);
}

.pdf-pages {
  display: grid;
  gap: 18px;
  max-height: calc(100vh - 218px);
  overflow: auto;
  padding: 16px;
  background: #dde2e8;
}

.pdf-page {
  display: block;
  max-width: 100%;
  height: auto;
  margin: 0 auto;
  background: #fff;
  box-shadow: 0 10px 28px rgba(16, 24, 40, 0.18);
}

.pdf-loading {
  display: grid;
  min-height: 280px;
  place-items: center;
  color: var(--muted);
  font-family: ui-monospace, SFMono-Regular, Menlo, Consolas, monospace;
  font-size: 12px;
}

.pdf-loading.error {
  color: #9e2f28;
}

.pdf-engine-note {
  max-width: 720px;
  margin: 0 auto;
  padding: 10px 12px;
  border: 1px solid var(--line);
  border-radius: 6px;
  background: var(--panel);
  color: var(--muted);
  font-family: ui-monospace, SFMono-Regular, Menlo, Consolas, monospace;
  font-size: 12px;
  line-height: 1.4;
}

.render-document {
  gap: 18px;
}

.render-view .render-document {
  align-items: center;
}

.render-sheet {
  box-shadow: var(--shadow);
}

.empty-view-message {
  display: grid;
  min-height: 260px;
  place-items: center;
  border: 1px dashed var(--line);
  border-radius: 6px;
  color: var(--muted);
  background: var(--panel-soft);
}

.profile-panel {
  position: fixed;
  inset: 74px 0 0 auto;
  z-index: 8;
  width: min(560px, 38vw);
  border-left: 1px solid var(--line);
  background: #101820;
  color: #e8edf3;
  box-shadow: -18px 0 36px rgba(16, 24, 40, 0.24);
}

.source-header {
  position: sticky;
  top: 0;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 12px;
  min-height: 54px;
  padding: 13px 16px;
  border-bottom: 1px solid rgba(255, 255, 255, 0.12);
  background: #101820;
}

.light-header {
  background: var(--panel);
  color: var(--ink);
  border-bottom: 1px solid var(--line);
}

.light-header span {
  color: var(--muted);
}

.source-header h2 {
  margin: 0;
  font-size: 15px;
}

.source-header span {
  overflow: hidden;
  color: #a7b2bf;
  font-family: ui-monospace, SFMono-Regular, Menlo, Consolas, monospace;
  font-size: 12px;
  text-overflow: ellipsis;
  white-space: nowrap;
}

.source-header.light-header span {
  color: var(--muted);
}

pre {
  margin: 0;
  padding: 16px;
  white-space: pre-wrap;
  overflow-wrap: anywhere;
  font-family: ui-monospace, SFMono-Regular, Menlo, Consolas, monospace;
  font-size: 12px;
  line-height: 1.45;
}

@media (max-width: 1100px) {
  .drucksachen-workspace {
    grid-template-columns: minmax(220px, 300px) minmax(0, 1fr);
  }

  .profile-panel {
    width: min(520px, 88vw);
  }
}

@media (max-width: 760px) {
  .app-header {
    align-items: stretch;
    flex-direction: column;
  }

  .header-actions {
    flex-wrap: wrap;
  }

  .drucksachen-workspace {
    display: block;
    height: auto;
  }

  .document-sidebar {
    max-height: 360px;
    border-right: 0;
    border-bottom: 1px solid var(--line);
  }
}