.practical-main {
  gap: 14px;
}

.practical-hero {
  padding: 16px;
}

.practical-hero-copy {
  margin-top: 0;
}

.practical-hero-copy h1 {
  font-size: 28px;
}

.practical-stat-box {
  border: 1px solid var(--line);
  border-radius: 12px;
  padding: 10px 14px;
  min-width: 140px;
  display: grid;
  gap: 2px;
  text-align: right;
  background: color-mix(in oklab, var(--glass-bg) 78%, transparent);
}

.practical-stat-box strong {
  font-size: 24px;
  line-height: 1;
}

.practical-stat-box span {
  color: var(--text-secondary);
  font-size: 12px;
}

.practical-toolbar {
  margin-top: 10px;
  display: grid;
  grid-template-columns: minmax(0, 1fr) minmax(180px, 220px) auto;
  gap: 10px;
  align-items: end;
}

.practical-toolbar-actions {
  display: flex;
  gap: 8px;
}

.practical-files-grid {
  margin-top: 14px;
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 10px;
}

.practical-file-card {
  border: 1px solid var(--line);
  border-radius: 14px;
  padding: 12px;
  background: color-mix(in oklab, var(--glass-bg) 78%, transparent);
  display: grid;
  gap: 10px;
  min-height: 170px;
  cursor: pointer;
  transition: var(--transition);
}

.practical-file-card:hover {
  transform: translateY(-4px);
  box-shadow: 0 12px 24px rgba(47, 107, 255, 0.2);
}

.practical-file-card h3 {
  margin: 0;
  font-size: 17px;
  line-height: 1.35;
}

.practical-file-desc {
  margin: 0;
  color: var(--text-secondary);
  line-height: 1.65;
  font-size: 14px;
}

.practical-file-meta {
  margin-top: auto;
  display: grid;
  gap: 4px;
  font-size: 12px;
  color: var(--text-secondary);
}

.practical-file-top {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 10px;
}

.practical-read-pill {
  border-radius: 999px;
  border: 1px solid var(--line);
  padding: 4px 8px;
  font-size: 11px;
  color: var(--text-secondary);
  background: color-mix(in oklab, var(--glass-bg) 84%, transparent);
}

.practical-empty {
  border: 1px dashed var(--line);
  border-radius: 12px;
  min-height: 140px;
  padding: 16px;
  display: grid;
  place-items: center;
  text-align: center;
  color: var(--text-secondary);
}

.practical-reader-card {
  padding: 16px;
}

.practical-reader-card h1 {
  font-size: clamp(20px, 2.8vw, 30px);
}

.practical-reader-meta {
  margin-top: 10px;
}

.practical-reader-toolbar {
  margin-top: 12px;
  border: 1px solid var(--line);
  border-radius: 12px;
  padding: 10px;
  display: flex;
  justify-content: space-between;
  gap: 10px;
  flex-wrap: wrap;
  background: color-mix(in oklab, var(--glass-bg) 80%, transparent);
}

.practical-reader-search {
  margin-top: 10px;
  border: 1px solid var(--line);
  border-radius: 12px;
  padding: 10px;
  display: grid;
  grid-template-columns: minmax(220px, 1fr) auto auto auto auto;
  gap: 8px;
  align-items: center;
  background: color-mix(in oklab, var(--glass-bg) 80%, transparent);
}

.practical-reader-search input {
  min-width: 180px;
}

.practical-reader-canvas-host {
  margin-top: 12px;
  border: 1px solid var(--line);
  border-radius: 12px;
  min-height: 60vh;
  max-height: calc(100vh - 280px);
  overflow: auto;
  padding: 10px;
  background: color-mix(in oklab, var(--glass-bg) 70%, transparent);
}

#readerCanvas {
  width: 100%;
  max-width: 100%;
  display: block;
  margin: 0 auto;
  border-radius: 8px;
  background: #ffffff;
}

.practical-reader-card.reader-is-fullscreen {
  border-radius: 0;
}

.practical-reader-card:fullscreen {
  width: 100vw;
  height: 100vh;
  max-width: 100vw;
  margin: 0;
  border-radius: 0;
  padding: 12px;
  overflow: hidden;
}

.practical-reader-card:fullscreen .practical-reader-canvas-host {
  min-height: 0;
  max-height: calc(100vh - 220px);
}

.practical-reader-card:fullscreen .practical-reader-meta {
  margin-top: 6px;
}

@media (max-width: 980px) {
  .practical-files-grid {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }
}

@media (max-width: 760px) {
  .practical-toolbar {
    grid-template-columns: 1fr;
  }

  .practical-toolbar-actions {
    justify-content: flex-start;
  }

  .practical-files-grid {
    grid-template-columns: 1fr;
  }

  .practical-reader-canvas-host {
    max-height: calc(100vh - 300px);
  }

  .practical-reader-search {
    grid-template-columns: 1fr;
    align-items: stretch;
  }
}