:root {
  --bg: #e6f2ff;
  --bg-alt: #f5f9ff;
  --card-bg: #ffffff;
  --accent: #2563eb;
  --accent-strong: #1d4ed8;
  --text: #1f2933;
  --text-muted: #4b5563;
  --border: rgba(15, 23, 42, 0.08);
  --max-width: 1100px;
  --shadow: 0 20px 45px rgba(37, 99, 235, 0.14);
  --radius: 16px;
}

* {
  box-sizing: border-box;
}

body {
  margin: 0;
  font-family: 'Inter', 'Helvetica Neue', Arial, sans-serif;
  background: linear-gradient(180deg, #f7fbff 0%, var(--bg) 100%);
  color: var(--text);
  line-height: 1.7;
}

a {
  color: var(--accent);
  text-decoration: none;
  transition: color 0.2s ease;
}

a:hover,
a:focus {
  color: var(--accent-strong);
}

header {
  border-bottom: 1px solid var(--border);
  background: rgba(255, 255, 255, 0.95);
  backdrop-filter: blur(16px);
  position: sticky;
  top: 0;
  z-index: 100;
}

body.paper-view header {
  position: static;
  top: auto;
}

nav {
  display: flex;
  justify-content: space-between;
  align-items: center;
  max-width: var(--max-width);
  margin: 0 auto;
  padding: 18px 24px;
}

nav .brand {
  font-size: 1.2rem;
  font-weight: 700;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--text);
}

nav ul {
  list-style: none;
  display: flex;
  gap: 20px;
  margin: 0;
  padding: 0;
  font-size: 0.95rem;
}

nav li {
  margin: 0;
}

nav a {
  color: var(--text-muted);
}

nav a.active {
  color: var(--accent);
}

main {
  max-width: var(--max-width);
  margin: 0 auto;
  padding: 80px 24px 100px;
}

.hero {
  display: grid;
  gap: 32px;
  grid-template-columns: repeat(auto-fit, minmax(320px, 1fr));
  align-items: center;
  padding: 56px;
  background: linear-gradient(135deg, rgba(37, 99, 235, 0.12), rgba(219, 234, 254, 0.6));
  border: 1px solid rgba(37, 99, 235, 0.15);
  border-radius: var(--radius);
  box-shadow: var(--shadow);
  margin-bottom: 64px;
}

.hero h1 {
  font-size: clamp(2.4rem, 4vw, 3.2rem);
  line-height: 1.2;
  margin: 0;
}

.hero p {
  font-size: 1.05rem;
  color: var(--text-muted);
  margin-top: 12px;
  max-width: 520px;
}

.btn-row {
  display: flex;
  flex-wrap: wrap;
  gap: 16px;
  margin-top: 32px;
}

.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 10px;
  padding: 14px 22px;
  border-radius: 999px;
  font-weight: 600;
  border: 1px solid transparent;
  background: var(--accent);
  color: #ffffff;
  box-shadow: 0 12px 30px rgba(37, 99, 235, 0.25);
  transition: transform 0.2s ease, box-shadow 0.2s ease, background 0.2s ease;
}

.btn.secondary {
  background: transparent;
  border-color: rgba(37, 99, 235, 0.4);
  color: var(--accent);
  box-shadow: none;
}

.btn:hover {
  transform: translateY(-2px);
  box-shadow: 0 12px 32px rgba(56, 189, 248, 0.4);
}

section {
  margin-bottom: 80px;
}

section h2 {
  font-size: 1.9rem;
  margin-bottom: 24px;
}

.grid {
  display: grid;
  gap: 18px;
  grid-template-columns: repeat(auto-fit, minmax(240px, 1fr));
}

#paper-list.grid {
  grid-template-columns: repeat(3, minmax(0, 1fr));
}

@media (max-width: 900px) {
  #paper-list.grid {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }
}

@media (max-width: 720px) {
  #paper-list.grid {
    grid-template-columns: minmax(0, 1fr);
  }
}

.card {
  background: var(--card-bg);
  border: 1px solid rgba(15, 23, 42, 0.12);
  border-radius: 20px;
  padding: 20px 24px;
  position: relative;
  display: flex;
  flex-direction: column;
  gap: 16px;
  min-height: 0;
  transition: transform 0.18s ease, border 0.18s ease, box-shadow 0.18s ease;
}

.card:hover {
  transform: translateY(-3px);
  border-color: rgba(37, 99, 235, 0.4);
  box-shadow: 0 12px 26px rgba(15, 23, 42, 0.12);
}

.card-header {
  display: grid;
  grid-template-columns: 88px 1fr;
  gap: 18px;
  align-items: stretch;
}

.card-meta {
  display: flex;
  flex-direction: column;
  gap: 6px;
  justify-content: center;
  min-height: 88px;
}

.card-icon {
  width: 88px;
  height: 88px;
  aspect-ratio: 1;
  border-radius: 20px;
  background: rgba(37, 99, 235, 0.2);
  border: 1px solid rgba(37, 99, 235, 0.18);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.9rem;
  color: rgba(17, 24, 39, 0.76);
  justify-self: center;
  align-self: center;
}

@media (max-width: 640px) {
  .card {
    padding: 18px 20px;
    min-height: 0;
  }

  .card-header {
    grid-template-columns: 56px auto;
    gap: 12px;
  }

  .card-icon {
    width: 56px;
    height: 56px;
    aspect-ratio: 1;
  }

  .card-meta {
    min-height: 56px;
  }
}

.card .meta {
  font-size: 0.78rem;
  text-transform: uppercase;
  letter-spacing: 0.08em;
  color: rgba(37, 99, 235, 0.7);
  font-weight: 600;
}

.card h3 {
  margin: 0;
  font-size: 1.1rem;
  line-height: 1.35;
  color: #111;
}

.card-title {
  min-height: 4.5rem;
  display: flex;
  align-items: center;
}

.card-title a {
  color: inherit;
  text-decoration: none;
  display: -webkit-box;
  -webkit-line-clamp: 3;
  -webkit-box-orient: vertical;
  overflow: hidden;
  word-break: break-word;
  width: 100%;
}

.card-title a:hover,
.card-title a:focus {
  color: rgba(15, 23, 42, 0.86);
}

.card p {
  margin: 0;
  font-size: 0.92rem;
  color: rgba(15, 23, 42, 0.78);
  line-height: 1.55;
}

.card-sub {
  margin: 0;
  font-size: 0.75rem;
  color: rgba(15, 23, 42, 0.54);
}

.tag-group {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
}

.tag {
  padding: 5px 12px;
  border-radius: 999px;
  font-size: 0.78rem;
  border: 1px solid rgba(37, 99, 235, 0.18);
  background: rgba(226, 232, 240, 0.55);
  color: rgba(37, 99, 235, 0.8);
}

footer {
  border-top: 1px solid var(--border);
  padding: 36px 24px;
  background: rgba(255, 255, 255, 0.95);
}

footer .footer-inner {
  max-width: var(--max-width);
  margin: 0 auto;
  display: flex;
  flex-direction: column;
  gap: 16px;
  color: var(--text-muted);
}

footer nav {
  padding: 0;
}

footer nav ul {
  font-size: 0.85rem;
  gap: 16px;
}

.notice {
  background: rgba(219, 234, 254, 0.6);
  border: 1px solid rgba(37, 99, 235, 0.2);
  border-radius: var(--radius);
  padding: 18px 22px;
  color: var(--text);
  font-size: 0.95rem;
}

.table {
  width: 100%;
  border-collapse: collapse;
  border: 1px solid var(--border);
  border-radius: var(--radius);
  overflow: hidden;
  background: var(--card-bg);
}

.table thead {
  background: rgba(191, 219, 254, 0.5);
  text-transform: uppercase;
  letter-spacing: 0.06em;
  font-size: 0.8rem;
  color: var(--text);
}

.table th,
.table td {
  padding: 16px 18px;
  border-bottom: 1px solid var(--border);
  text-align: left;
}

.callout {
  background: rgba(240, 249, 255, 0.9);
  border: 1px solid rgba(37, 99, 235, 0.18);
  padding: 20px 24px;
  border-radius: var(--radius);
  color: var(--text);
}

.reproduction-list {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  gap: 16px;
}

.reproduction-list li {
  background: var(--card-bg);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 24px;
}

.reproduction-list li h4 {
  margin: 8px 0 12px;
}

.link-list {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  gap: 12px;
}

.faq-list {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  gap: 16px;
}

.faq-list li {
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 24px;
  background: var(--card-bg);
}

.faq-list h4 {
  margin-top: 0;
}

.legal-page main {
  max-width: 900px;
  padding-top: 72px;
}

.legal-page .legal-hero {
  position: relative;
  background: var(--bg-alt);
  border: 1px solid rgba(15, 23, 42, 0.12);
  box-shadow: none;
  padding: 48px 56px;
}

.legal-page .legal-hero::before {
  content: '';
  position: absolute;
  inset: 0 auto 0 0;
  width: 6px;
  border-radius: var(--radius) 0 0 var(--radius);
  background: linear-gradient(180deg, var(--accent) 0%, var(--accent-strong) 100%);
}

.legal-page .legal-hero .notice {
  border-left: 4px solid var(--accent);
  background: rgba(37, 99, 235, 0.08);
  padding: 18px 24px;
  box-shadow: none;
}

.legal-section {
  margin-bottom: 72px;
}

.legal-section h2 {
  font-size: 1.65rem;
  letter-spacing: 0.05em;
  text-transform: uppercase;
  color: var(--text-muted);
  margin-bottom: 28px;
}

.legal-page .legal-grid {
  display: grid;
  gap: 24px;
  grid-template-columns: repeat(auto-fit, minmax(260px, 1fr));
}

.legal-page .legal-tile {
  border: 1px solid rgba(15, 23, 42, 0.12);
  box-shadow: none;
  padding: 24px 28px;
  min-height: 100%;
}

.legal-page .legal-tile h3 {
  margin-top: 0;
  text-transform: uppercase;
  font-size: 1.05rem;
  letter-spacing: 0.06em;
  color: var(--accent-strong);
}

.legal-page .legal-tile p {
  margin-bottom: 0;
  color: var(--text);
}

.dev-page main {
  max-width: 1200px;
  padding-top: 64px;
}

.dev-hero {
  grid-template-columns: 2fr 1fr;
  gap: 24px;
  background: linear-gradient(135deg, rgba(37, 99, 235, 0.15), rgba(226, 232, 240, 0.6));
}

.dev-hero .notice {
  background: rgba(255, 255, 255, 0.9);
  border: 1px solid rgba(37, 99, 235, 0.25);
}

.dev-notes {
  margin: 0;
  padding-left: 18px;
  color: var(--text-muted);
}

.dev-workspace {
  display: block;
  margin-top: 32px;
}

.dev-entry-toolbar {
  display: flex;
  gap: 12px;
  justify-content: flex-start;
  flex-wrap: wrap;
}

.dev-filter {
  display: grid;
  gap: 6px;
  font-size: 0.85rem;
  color: var(--text-muted);
}

.dev-filter input {
  width: 100%;
  border-radius: 12px;
}

.dev-toggle {
  font-size: 0.85rem;
  color: var(--text-muted);
}

.dev-entry-list {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  gap: 12px;
}

.dev-entry-item {
  display: grid;
  grid-template-columns: minmax(0, 1fr) auto;
  align-items: stretch;
  gap: 16px;
}

.dev-entry-button {
  width: 100%;
  text-align: left;
  border: 1px solid rgba(15, 23, 42, 0.12);
  border-radius: 12px;
  padding: 18px 22px;
  background: transparent;
  color: inherit;
  display: grid;
  gap: 6px;
  font-size: 0.95rem;
  transition: border 0.2s ease, background 0.2s ease;
  align-self: stretch;
}

.dev-entry-button:hover,
.dev-entry-button.active {
  border-color: rgba(37, 99, 235, 0.4);
  background: rgba(37, 99, 235, 0.08);
}

.dev-entry-actions {
  position: relative;
  display: flex;
  align-items: center;
  justify-content: center;
  align-self: start;
  margin-left: auto;
}

.dev-entry-menu {
  border: none;
  background: transparent;
  color: var(--text-muted);
  padding: 10px 12px;
  border-radius: 8px;
  cursor: pointer;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  font-size: 1.2rem;
  line-height: 1;
  transition: background 0.2s ease, color 0.2s ease;
}

.dev-entry-menu:hover,
.dev-entry-menu[aria-expanded="true"] {
  background: rgba(37, 99, 235, 0.12);
  color: var(--accent);
  outline: none;
}

.dev-entry-menu:focus-visible {
  background: rgba(37, 99, 235, 0.12);
  color: var(--accent);
  outline: none;
  box-shadow: 0 0 0 3px rgba(37, 99, 235, 0.22);
}

.dev-entry-menu-dropdown {
  position: absolute;
  top: calc(100% + 6px);
  right: 12px;
  background: #ffffff;
  border: 1px solid rgba(15, 23, 42, 0.12);
  border-radius: 8px;
  min-width: 140px;
  box-shadow: 0 12px 25px rgba(15, 23, 42, 0.18);
  padding: 8px;
  display: grid;
  gap: 4px;
  z-index: 5;
}

.dev-entry-menu-dropdown button {
  border: none;
  background: none;
  padding: 10px 12px;
  text-align: left;
  font-size: 0.95rem;
  border-radius: 6px;
  cursor: pointer;
  color: inherit;
}

.dev-entry-menu-dropdown button:hover,
.dev-entry-menu-dropdown button:focus-visible {
  background: rgba(37, 99, 235, 0.1);
}

.dev-entry-menu-dropdown[hidden],
.dev-entry-pagination[hidden] {
  display: none !important;
}

.dev-entry-pagination {
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 12px;
  margin-top: 12px;
}

.dev-entry-pagination .dev-entry-page-info {
  font-size: 0.85rem;
  color: var(--text-muted);
}

.dev-entry-title {
  font-weight: 600;
  font-size: 1.05rem;
}

.dev-entry-meta {
  font-size: 0.9rem;
  color: var(--text-muted);
  display: block;
}

.dev-entry-status {
  font-size: 0.82rem;
  text-transform: uppercase;
  letter-spacing: 0.06em;
}

.dev-entry-status.published {
  color: #15803d;
}

body.dev-modal-open {
  overflow: hidden;
}

.dev-entry-modal {
  position: fixed;
  inset: 0;
  display: flex;
  justify-content: center;
  align-items: center;
  background: rgba(15, 23, 42, 0.45);
  backdrop-filter: blur(2px);
  padding: 24px;
  visibility: hidden;
  opacity: 0;
  pointer-events: none;
  transition: opacity 0.2s ease;
  z-index: 200;
}

.dev-entry-modal.is-open {
  visibility: visible;
  opacity: 1;
  pointer-events: auto;
}

.dev-entry-modal-backdrop {
  position: absolute;
  inset: 0;
}

.dev-entry-modal-dialog {
  position: relative;
  background: #ffffff;
  border-radius: 20px;
  box-shadow: 0 28px 60px rgba(15, 23, 42, 0.28);
  width: min(840px, 96vw);
  max-height: min(94vh, 820px);
  display: grid;
  gap: 24px;
  padding: 36px;
  overflow: hidden;
}

.dev-entry-modal-header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 16px;
}

.dev-entry-modal-close {
  background: none;
  border: none;
  font-size: 1.4rem;
  line-height: 1;
  cursor: pointer;
  color: var(--text-muted);
}

.dev-entry-modal-body {
  display: grid;
  gap: 18px;
  overflow: hidden;
  padding-bottom: 12px;
}

.dev-entry-modal-body .dev-entry-list {
  max-height: calc(82vh - 220px);
  overflow: auto;
  padding-right: 6px;
  padding-bottom: 28px;
  scrollbar-gutter: stable both-edges;
}

.dev-entry-status.draft {
  color: #b45309;
}

.dev-empty {
  color: var(--text-muted);
  font-size: 0.9rem;
}

.dev-panels {
  display: grid;
  gap: 24px;
}

.dev-panel {
  background: var(--bg-alt);
  border: 1px solid rgba(15, 23, 42, 0.08);
  border-radius: var(--radius);
  padding: 24px;
  display: grid;
  gap: 18px;
}

.dev-panel.collapsible {
  gap: 12px;
}

.dev-panel-summary {
  display: grid;
  gap: 16px;
  grid-template-columns: minmax(0, 2fr) minmax(0, 1fr);
  align-items: end;
}

.dev-panel-summary .dev-field {
  margin: 0;
}

.dev-field-publish {
  justify-self: end;
}

.dev-field-publish .dev-toggle-switch {
  justify-content: flex-end;
}

.dev-panel.collapsible.is-collapsed {
  cursor: pointer;
}

.dev-panel.collapsible.is-open {
  cursor: auto;
}

.dev-panel.collapsible .dev-panel-content {
  display: grid;
  gap: 18px;
}

.dev-panel.collapsible.is-collapsed .dev-panel-content {
  display: none;
}

.dev-panel-toggle {
  background: none;
  border: none;
  color: inherit;
  font: inherit;
  padding: 0;
  cursor: pointer;
  display: inline-flex;
  align-items: center;
  gap: 6px;
}

.dev-panel-toggle:focus-visible {
  outline: 2px solid var(--accent);
  outline-offset: 2px;
}

.dev-panel-toggle::after {
  content: '▸';
  font-size: 1.2rem;
  line-height: 1;
}

.dev-panel.collapsible.is-open .dev-panel-toggle::after {
  content: '▾';
}

@media (max-width: 720px) {
  .dev-panel-summary {
    grid-template-columns: 1fr;
    align-items: stretch;
  }

  .dev-field-publish {
    justify-self: start;
  }

  .dev-field-publish .dev-toggle-switch {
    justify-content: flex-start;
  }
}

.dev-panel-header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 12px;
  position: static;
  background: inherit;
}

.dev-panel-header h2 {
  margin: 0;
  font-size: 1.2rem;
}

.dev-panel-actions {
  display: flex;
  gap: 8px;
}

.dev-form {
  display: grid;
  gap: 18px;
}

.dev-field,
.dev-field-inline {
  display: grid;
  gap: 8px;
}

.dev-field-inline {
  grid-template-columns: repeat(auto-fit, minmax(160px, 1fr));
  gap: 16px;
}

.dev-form-footer {
  display: flex;
  gap: 10px;
  flex-wrap: wrap;
}

.dev-toggle-switch {
  position: relative;
  display: inline-flex;
  align-items: center;
  gap: 12px;
  cursor: pointer;
  user-select: none;
}

.dev-toggle-switch input {
  position: absolute;
  opacity: 0;
  width: 1px;
  height: 1px;
  margin: 0;
}

.dev-toggle-slider {
  width: 46px;
  height: 26px;
  border-radius: 999px;
  background: rgba(148, 163, 184, 0.6);
  position: relative;
  transition: background 0.2s ease;
}

.dev-toggle-slider::after {
  content: '';
  position: absolute;
  top: 3px;
  left: 3px;
  width: 20px;
  height: 20px;
  border-radius: 50%;
  background: #fff;
  box-shadow: 0 2px 6px rgba(15, 23, 42, 0.15);
  transition: transform 0.2s ease;
}

.dev-toggle-switch input:checked + .dev-toggle-slider {
  background: rgba(37, 99, 235, 0.7);
}

.dev-toggle-switch input:checked + .dev-toggle-slider::after {
  transform: translateX(20px);
}

.dev-toggle-switch input:focus-visible + .dev-toggle-slider {
  outline: 2px solid rgba(37, 99, 235, 0.5);
  outline-offset: 2px;
}

.dev-toggle-label::after {
  content: attr(data-off);
  display: inline-block;
  min-width: 3.2em;
  font-size: 0.85rem;
  color: var(--text-muted);
  text-align: left;
}

.dev-toggle-switch input:checked ~ .dev-toggle-label::after {
  content: attr(data-on);
  color: rgba(37, 99, 235, 0.95);
}

.dev-checkbox-group {
  align-items: center;
}

.dev-help {
  margin: 0;
  font-size: 0.8rem;
  color: var(--text-muted);
}

.dev-small {
  font-size: 0.85rem;
  padding: 10px 16px;
}

.dev-markdown-area {
  display: grid;
  gap: 12px;
  border: 1px solid rgba(15, 23, 42, 0.12);
  border-radius: 14px;
  padding: 16px;
  background: #ffffff;
  transition: border-color 0.2s ease, background 0.2s ease;
}

.dev-markdown-area input,
textarea {
  min-height: 300px;
  border-radius: 10px;
}

.dev-markdown-area.drag-active {
  border-color: rgba(37, 99, 235, 0.55);
  background: rgba(191, 219, 254, 0.22);
}

.dev-markdown-hint {
  margin: 0;
  font-size: 0.85rem;
  color: var(--text-muted);
}

.dev-md-actions {
  display: flex;
  gap: 8px;
  flex-wrap: wrap;
}

.dev-preview {
  border: 1px solid rgba(15, 23, 42, 0.12);
  border-radius: 12px;
  padding: 24px;
  min-height: 320px;
  background: #ffffff;
  overflow: auto;
}

.dev-preview pre {
  background: rgba(15, 23, 42, 0.04);
  padding: 12px;
  border-radius: 8px;
}

.dev-preview code {
  background: rgba(15, 23, 42, 0.04);
  padding: 2px 4px;
  border-radius: 4px;
}

.paper-page {
  padding: 64px 24px 120px;
}

.paper-layout {
  --paper-aside-offset: 0px;
  max-width: 1180px;
  margin: 0 auto;
  display: grid;
  gap: 48px;
  grid-template-columns: minmax(0, 3fr) minmax(260px, 1fr);
  align-items: start;
}

.paper-main {
  min-width: 0;
}

.paper-header {
  margin-bottom: 36px;
}

.paper-meta {
  font-size: 0.9rem;
  color: var(--text-muted);
  margin-bottom: 10px;
}

.paper-tags-inline {
  margin: 0 0 16px;
  font-size: 0.85rem;
  color: var(--text-muted);
  letter-spacing: 0.02em;
}

.paper-header h1 {
  margin: 0 0 12px;
}

.paper-note {
  margin: 0;
  font-size: 0.85rem;
  color: #92400e;
  background: rgba(250, 204, 21, 0.18);
  border-radius: 8px;
  padding: 10px 12px;
}

.paper-note-info {
  margin: 12px 0 0;
  font-size: 0.8rem;
  color: var(--text-muted);
}

.paper-body {
  max-width: 720px;
  background: rgba(255, 255, 255, 0.95);
  border: 1px solid rgba(15, 23, 42, 0.1);
  border-radius: 18px;
  padding: 40px 48px;
  box-shadow: none;
}

.paper-section {
  margin-top: 56px;
}

.paper-section h2 {
  margin-bottom: 18px;
}

.paper-steps {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  gap: 18px;
}

.paper-steps li {
  border: 1px solid rgba(15, 23, 42, 0.1);
  border-radius: 12px;
  padding: 20px 22px;
  background: var(--bg-alt);
}

.paper-step-head {
  display: flex;
  align-items: center;
  gap: 12px;
  margin-bottom: 8px;
}

.paper-step-index {
  font-size: 0.75rem;
  font-weight: 600;
  letter-spacing: 0.08em;
  color: var(--accent-strong);
  border: 1px solid rgba(37, 99, 235, 0.35);
  border-radius: 999px;
  padding: 4px 10px;
}

.paper-steps h4 {
  margin: 0;
}

.paper-aside {
  position: sticky;
  top: 120px;
  display: grid;
  gap: 24px;
  align-content: start;
  margin-top: var(--paper-aside-offset);
}

.paper-actions-section,
.paper-toc-section,
.paper-tags-section {
  background: rgba(255, 255, 255, 0.92);
  border: 1px solid rgba(15, 23, 42, 0.1);
  border-radius: 14px;
  padding: 20px 22px;
  box-shadow: none;
}

.paper-actions {
  display: grid;
  gap: 12px;
}

.paper-actions .btn,
.paper-actions .btn.secondary {
  width: 100%;
}

.paper-toc {
  list-style: none;
  margin: 12px 0 0;
  padding: 0;
  display: grid;
  gap: 10px;
  font-size: 0.92rem;
}

.paper-toc li[data-depth="3"] {
  padding-left: 14px;
  font-size: 0.88rem;
}

.paper-toc a {
  color: var(--text-muted);
}

.paper-toc a:hover,
.paper-toc a:focus {
  color: var(--accent);
}

.paper-tags-section .tag-group {
  gap: 8px;
}

.paper-tags-section .tag {
  background: rgba(37, 99, 235, 0.1);
  border-color: rgba(37, 99, 235, 0.25);
}

.paper-body table {
  width: 100%;
  border-collapse: collapse;
  margin: 0.8rem 0;
  font-size: 0.95rem;
}

.paper-body th,
.paper-body td {
  padding: 10px;
  border: 1px solid rgba(15, 23, 42, 0.1);
}

.paper-body blockquote {
  border-left: 4px solid rgba(37, 99, 235, 0.35);
  margin: 1rem 0;
  padding: 0.6rem 1rem;
  background: rgba(226, 232, 240, 0.4);
}

.paper-body code {
  background: rgba(15, 23, 42, 0.06);
  padding: 2px 4px;
  border-radius: 4px;
}

.paper-body pre code {
  background: transparent;
  padding: 0;
}

#paper-content,
#markdown-preview {
  line-height: 1.68;
}

#paper-content h1,
#paper-content h2,
#paper-content h3,
#paper-content h4,
#paper-content h5,
#paper-content h6,
#markdown-preview h1,
#markdown-preview h2,
#markdown-preview h3,
#markdown-preview h4,
#markdown-preview h5,
#markdown-preview h6 {
  margin: 1.1rem 0 0.55rem;
}

#paper-content h1,
#markdown-preview h1 {
  font-size: 2rem;
  line-height: 1.25;
}

#paper-content h2,
#markdown-preview h2 {
  font-size: 1.6rem;
  line-height: 1.3;
}

#paper-content h3,
#markdown-preview h3 {
  font-size: 1.35rem;
  line-height: 1.35;
}

#paper-content h4,
#markdown-preview h4 {
  font-size: 1.2rem;
  line-height: 1.4;
}

#paper-content h5,
#markdown-preview h5 {
  font-size: 1.05rem;
  line-height: 1.45;
}

#paper-content h6,
#markdown-preview h6 {
  font-size: 0.92rem;
  letter-spacing: 0.02em;
  text-transform: uppercase;
}

#paper-content p,
#paper-content ul,
#paper-content ol,
#markdown-preview p,
#markdown-preview ul,
#markdown-preview ol {
  margin: 0.4rem 0 0.8rem;
}

#paper-content li,
#markdown-preview li {
  margin: 0.2rem 0;
}

#paper-content > *:first-child,
#markdown-preview > *:first-child {
  margin-top: 0;
}

#paper-content > *:last-child,
#markdown-preview > *:last-child {
  margin-bottom: 0;
}

#paper-content pre,
#markdown-preview pre {
  margin: 0.8rem 0;
}

#paper-content .md-image,
#markdown-preview .md-image {
  margin: 1.6rem 0;
  text-align: center;
}

#paper-content .md-image img,
#markdown-preview .md-image img,
#paper-content img,
#markdown-preview img {
  max-width: 100%;
  height: auto;
}

#paper-content hr.md-heading-divider,
#markdown-preview hr.md-heading-divider {
  border: none;
  border-top: 1px solid rgba(15, 23, 42, 0.14);
  margin: 16px 0 28px;
}

.paper-draft .paper-header {
  border-left: 4px solid rgba(180, 83, 9, 0.5);
  padding-left: 18px;
}

.paper-draft .paper-note {
  display: block;
}

.paper-draft .paper-note::before {
  content: 'Draft';
  font-weight: 600;
  margin-right: 8px;
  color: rgba(180, 83, 9, 1);
}

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


form {
  display: grid;
  gap: 14px;
  max-width: 560px;
}

form label {
  font-weight: 600;
}

input,
input,
textarea {
  background: #ffffff;
  border: 1px solid rgba(15, 23, 42, 0.1);
  border-radius: 12px;
  padding: 14px;
  color: var(--text);
  font-size: 1rem;
}

input:focus,
textarea:focus {
  outline: none;
  border-color: rgba(37, 99, 235, 0.55);
  box-shadow: 0 0 0 3px rgba(37, 99, 235, 0.18);
}

@media (max-width: 768px) {
  nav ul {
    display: none;
  }

  main {
    padding-top: 60px;
  }

  .hero {
    padding: 36px;
  }

  .legal-page .legal-hero {
    padding: 32px;
  }

  .dev-workspace {
    margin-top: 24px;
  }

  .dev-entry-modal-dialog {
    width: min(100%, 90vw);
    padding: 24px;
  }

  .paper-page {
    padding: 48px 20px 80px;
  }

  .paper-layout {
    grid-template-columns: 1fr;
    gap: 32px;
  }

  .paper-body {
    max-width: 100%;
    padding: 28px 24px;
  }

  .paper-aside {
    position: static;
    gap: 16px;
  }

  .paper-actions .btn,
  .paper-actions .btn.secondary {
    width: auto;
  }

  .paper-toc-section {
    display: none;
  }
}