:root {
  --pane-bar-height: 2.75rem;
  --app-bg: #f6f7f9;
  --surface: #ffffff;
  --surface-alt: #f8f9fb;
  --pane-bar-bg: #ffffff;
  --grid-line: #dde1e7;
  --text: #2f343d;
  --muted: #7b8491;
  --selected-day-bg: #3d4552;
  --selected-artifact-bg: #eaf3ff;
  --selected-artifact-rail: #dcecff;
  --control-border: #d9dee6;
  color-scheme: light;
  font-family: Inter, ui-sans-serif, system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
  background: var(--app-bg);
  color: var(--text);
}

html,
body {
  height: 100%;
  overflow: hidden;
}

body {
  display: flex;
  flex-direction: column;
  margin: 0;
}

.topbar {
  align-items: center;
  background: var(--surface-alt);
  border-bottom: 1px solid var(--grid-line);
  color: var(--text);
  display: grid;
  flex: 0 0 auto;
  gap: 0;
  grid-template-columns: max-content 1fr;
  padding: 0;
}

.brandline {
  align-items: center;
  display: flex;
  gap: 0.55rem;
  padding: 0.38rem 0.8rem;
}

.eyebrow {
  color: var(--muted);
  font-size: 0.68rem;
  font-weight: 700;
  letter-spacing: 0.14em;
  margin: 0 0 0.18rem;
  text-transform: uppercase;
}

h1 {
  font-size: clamp(1.2rem, 2vw, 1.75rem);
  line-height: 1;
  margin: 0;
}

.toolbar {
  align-items: center;
  align-self: stretch;
  background: var(--surface-alt);
  display: flex;
  gap: 0.45rem;
  min-width: 0;
  padding: 0.32rem 0.6rem;
}

.filter {
  align-items: end;
  display: flex;
  gap: 0.35rem;
}

.filter label {
  color: var(--muted);
  display: grid;
  font-size: 0.68rem;
  gap: 0.08rem;
}

.filter select,
.filter input {
  background: var(--surface);
  border: 1px solid var(--control-border);
  border-radius: 4px;
  color: var(--text);
  font: inherit;
  padding: 0.32rem 0.62rem;
}

.filter input {
  width: 9rem;
}

.filter button {
  background: #3d4552;
  border: 1px solid #343b46;
  border-radius: 4px;
  color: #ffffff;
  cursor: pointer;
  font: inherit;
  font-weight: 700;
  padding: 0.32rem 0.7rem;
}

.view-toggle {
  background: #f0f2f5;
  border: 1px solid var(--control-border);
  border-radius: 4px;
  display: flex;
  padding: 0.12rem;
}

.view-toggle a {
  border-radius: 3px;
  color: var(--text);
  font-size: 0.76rem;
  padding: 0.3rem 0.58rem;
  text-decoration: none;
}

.view-toggle a.selected {
  background: #3d4552;
  color: #ffffff;
}

.feed {
  --artifacts-width: 280px;
  --days-width: 144px;
  display: grid;
  flex: 1 1 auto;
  grid-template-columns: var(--days-width) 1px var(--artifacts-width) 1px minmax(0, 1fr);
  min-height: 0;
  overflow: hidden;
}

.day-sidebar,
.artifact-sidebar,
.preview-pane {
  min-width: 0;
  padding: 0;
}

.day-sidebar,
.artifact-sidebar {
  min-height: 0;
  overflow-x: hidden;
  scrollbar-color: transparent transparent;
  scrollbar-width: none;
}

.day-sidebar {
  display: flex;
  flex-direction: column;
  overflow-y: hidden;
}

.artifact-sidebar {
  display: flex;
  flex-direction: column;
  overflow-y: hidden;
  padding: 0;
}

.day-list,
.artifact-list {
  min-height: 0;
  overflow-x: hidden;
  overflow-y: auto;
  scrollbar-color: transparent transparent;
  scrollbar-width: none;
}

.day-sidebar:hover .day-list,
.artifact-sidebar:hover .artifact-list {
  scrollbar-color: rgba(61, 69, 82, 0.35) transparent;
  scrollbar-width: thin;
}

.day-list::-webkit-scrollbar,
.artifact-list::-webkit-scrollbar {
  width: 0;
}

.day-sidebar:hover .day-list::-webkit-scrollbar,
.artifact-sidebar:hover .artifact-list::-webkit-scrollbar {
  width: 6px;
}

.day-list::-webkit-scrollbar-thumb,
.artifact-list::-webkit-scrollbar-thumb {
  background: rgba(61, 69, 82, 0.35);
  border-radius: 999px;
}

.day-list::-webkit-scrollbar-track,
.artifact-list::-webkit-scrollbar-track {
  background: transparent;
}

.day-sidebar {
  background: var(--surface-alt);
}

.artifact-sidebar {
  background: var(--surface);
}

.preview-pane {
  align-items: stretch;
  display: flex;
  flex-direction: column;
  justify-content: flex-start;
  min-height: 0;
  padding: 0;
}

.splitter {
  background: var(--grid-line);
  cursor: col-resize;
  position: relative;
  touch-action: none;
}

.splitter::after {
  background: transparent;
  bottom: 0;
  content: "";
  left: -4px;
  position: absolute;
  right: -4px;
  top: 0;
}

.splitter:hover,
.is-resizing .splitter {
  background: #b8c0cc;
}

.is-resizing {
  cursor: col-resize;
  user-select: none;
}

.day-sidebar h2,
.pane-heading h2 {
  color: var(--text);
  font-size: 0.68rem;
  letter-spacing: 0.1em;
  margin: 0;
  text-transform: uppercase;
}

.day-list,
.artifact-list {
  display: grid;
}

.day-list {
  align-content: start;
  flex: 1 1 auto;
  gap: 0.35rem;
  padding: 0.55rem;
}

.day-link,
.artifact-row {
  color: inherit;
  text-decoration: none;
}

.day-link {
  border-radius: 6px;
  display: grid;
  gap: 0.1rem;
  padding: 0.48rem;
}

.day-link:hover,
.day-link.selected {
  background: var(--surface);
  box-shadow: none;
}

.day-link:focus-visible {
  outline: 2px solid #8ab4f8;
  outline-offset: 2px;
}

.day-link.selected {
  background: var(--selected-day-bg);
  color: #ffffff;
}

.day-link.selected span,
.day-link.selected strong {
  color: #ffffff;
}

.day-link.selected .today-badge {
  background: #d8f1df;
  color: #28583a;
}

.day-link span,
.pane-heading span,
.artifact-time {
  color: var(--muted);
  font-size: 0.7rem;
}

.today-badge {
  background: #d8f1df;
  border-radius: 999px;
  color: #245238;
  display: inline-block;
  font-size: 0.62rem;
  font-style: normal;
  font-weight: 500;
  margin-left: 0.35rem;
  padding: 0.08rem 0.38rem;
}

.day-link strong {
  color: var(--text);
  font-size: 0.82rem;
}

.pane-bar {
  align-items: baseline;
  background: var(--pane-bar-bg);
  box-sizing: border-box;
  display: flex;
  flex: 0 0 var(--pane-bar-height);
  gap: 0.55rem;
  height: var(--pane-bar-height);
  justify-content: space-between;
  margin: 0;
  min-height: var(--pane-bar-height);
  padding: 0 0.65rem;
}

.pane-heading,
.preview-actions {
  border-bottom: 1px solid var(--grid-line);
}

.day-sidebar .pane-bar,
.artifact-sidebar .pane-bar {
  align-items: center;
  justify-content: center;
  text-align: center;
}

.artifact-sidebar .pane-heading {
  flex-direction: column;
  gap: 0.04rem;
}

.new-artifacts-banner {
  background: #eaf3ff;
  border: 0;
  border-radius: 999px;
  color: #315a8a;
  cursor: pointer;
  display: block;
  font: inherit;
  font-size: 0.76rem;
  font-weight: 700;
  margin: 0 0.55rem 0.5rem;
  padding: 0.48rem 0.7rem;
  text-align: center;
  width: calc(100% - 1.1rem);
}

.new-artifacts-banner[hidden] {
  display: none;
}

.new-artifacts-banner:hover {
  background: #dcecff;
}

.artifact-list {
  align-content: start;
  flex: 1 1 auto;
}

.artifact-row {
  align-items: stretch;
  background: var(--surface);
  border: 0;
  border-bottom: 1px solid var(--grid-line);
  border-radius: 0;
  display: grid;
  gap: 0;
  grid-template-columns: 3.15rem minmax(0, 1fr) 2.6rem;
  min-height: 2.7rem;
  overflow: hidden;
  padding: 0;
}

.artifact-row:hover {
  background: #f6f9fd;
  box-shadow: none;
}

.artifact-row:focus-visible {
  outline: 0;
  box-shadow: inset 0 0 0 1px #8ab4f8;
}

.artifact-row.selected {
  background: var(--selected-artifact-bg);
  color: var(--text);
}

.artifact-row.selected .artifact-time {
  background: var(--selected-artifact-rail);
}

.artifact-row.selected .artifact-row-main span,
.artifact-row.selected .artifact-time {
  color: var(--text);
}

.artifact-row.selected .kind-icon {
  background: #dbeaff;
  color: #315a8a;
}

.kind-icon {
  align-items: center;
  background: #f1f3f6;
  color: #5f6875;
  display: inline-flex;
  font-size: 0.56rem;
  font-weight: 800;
  justify-content: center;
  letter-spacing: 0.04em;
  line-height: 1;
  padding: 0 0.42rem;
  white-space: nowrap;
}

.kind-image {
  color: #265336;
}

.kind-pdf {
  color: #78352f;
}

.kind-markdown {
  color: #443265;
}

.kind-deck {
  color: #6e4a12;
}

.artifact-row-main {
  align-items: center;
  border-right: 1px solid var(--grid-line);
  display: flex;
  min-width: 0;
  padding: 0.42rem 0.55rem;
}

.artifact-row-main span {
  -webkit-box-orient: vertical;
  -webkit-line-clamp: 2;
  color: var(--text);
  display: -webkit-box;
  font-size: 0.86rem;
  overflow: hidden;
}

.artifact-time {
  align-items: center;
  background: #f3f5f7;
  border-right: 1px solid var(--grid-line);
  display: flex;
  justify-content: flex-end;
  justify-self: stretch;
  line-height: 1;
  padding: 0 0.48rem;
  text-align: right;
  white-space: nowrap;
}

.empty {
  background: var(--surface);
  border-radius: 16px;
  padding: 1.2rem;
}

.empty.compact {
  padding: 1rem;
}

.empty.compact h3,
.preview-empty h2 {
  margin-top: 0;
}

.preview-empty {
  max-width: 34rem;
}

kbd {
  background: #f0f2f5;
  border: 1px solid var(--control-border);
  border-radius: 4px;
  color: var(--text);
  font: 0.85em ui-monospace, SFMono-Regular, Consolas, monospace;
  padding: 0.08rem 0.28rem;
}

.preview-body {
  align-items: stretch;
  display: flex;
  flex: 1 1 auto;
  flex-direction: column;
  min-height: 0;
}

.preview-body > .preview-empty {
  align-self: center;
  margin: auto;
}

.preview-frame-wrap {
  align-items: center;
  display: flex;
  flex: 1;
  justify-content: center;
  min-height: 0;
}

.preview-actions {
  align-items: center;
  background: var(--pane-bar-bg);
  display: flex;
  flex: 0 0 auto;
  gap: 0.75rem;
  justify-content: space-between;
  justify-content: space-between;
}

.preview-title {
  color: var(--text);
  flex: 1 1 auto;
  font-size: 0.78rem;
  font-weight: 700;
  min-width: 0;
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
}

.preview-actions .view-toggle,
.preview-actions .artifact-action-links {
  flex: 0 0 auto;
}

.artifact-action-links {
  align-items: center;
  display: flex;
  gap: 0.35rem;
}

.artifact-action-links a,
.artifact-action-links button {
  background: var(--surface);
  border: 1px solid var(--control-border);
  border-radius: 4px;
  color: var(--text);
  cursor: pointer;
  font: inherit;
  font-size: 0.76rem;
  line-height: 1;
  padding: 0.42rem 0.65rem;
  text-decoration: none;
}

.view-toggle a.disabled,
.artifact-action-links a.disabled {
  cursor: not-allowed;
  opacity: 0.48;
  pointer-events: none;
}

.artifact-action-links button:disabled {
  cursor: not-allowed;
  opacity: 0.48;
}

.preview-frame {
  background: #fff;
  border: 0;
  height: 100%;
  width: 100%;
}

.preview-image {
  background: #fff;
  max-height: 100%;
  max-width: 100%;
  object-fit: contain;
}

@media (max-width: 720px) {
  html,
  body {
    height: auto;
    overflow: auto;
  }

  .topbar {
    align-items: stretch;
    grid-template-columns: 1fr;
  }

  .toolbar,
  .filter,
  .preview-actions {
    align-items: stretch;
    flex-wrap: wrap;
  }

  .feed {
    grid-template-columns: 1fr;
    overflow: visible;
  }

  .splitter {
    display: none;
  }

  .day-sidebar,
  .artifact-sidebar {
    border-bottom: 1px solid #d9c9ad;
    border-right: 0;
    max-height: 32vh;
  }
}