:root {
  --bg: #eee7dc;
  --bg-soft: #f8f3ea;
  --ink: #1f2421;
  --ink-muted: #5d625f;
  --line: #d9cebc;
  --accent: #175f55;
  --accent-soft: #daf2ec;
  --warn: #ad5a2a;
  --warn-soft: #fae8dc;
  --card: rgba(255, 252, 246, 0.9);
  --shadow: 0 18px 45px rgba(60, 45, 25, 0.12);
}

* {
  box-sizing: border-box;
}

html,
body {
  height: 100%;
}

body {
  margin: 0;
  overflow: hidden;
  color: var(--ink);
  font-family: "Noto Sans SC", "PingFang SC", sans-serif;
  background:
    radial-gradient(circle at top left, rgba(255, 255, 255, 0.95), rgba(255, 255, 255, 0) 36%),
    linear-gradient(135deg, #efe8de 0%, #e6dccb 52%, #efe4d4 100%);
}

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

button,
input,
textarea {
  font: inherit;
}

.app-shell {
  padding: 20px;
  height: 100vh;
  display: grid;
  grid-template-rows: auto 1fr;
  gap: 16px;
  overflow: hidden;
}

.topbar {
  display: flex;
  justify-content: space-between;
  align-items: flex-end;
  gap: 16px;
  padding: 20px 22px;
  border-radius: 20px;
  background: var(--card);
  border: 1px solid rgba(255, 255, 255, 0.5);
  backdrop-filter: blur(18px);
  box-shadow: var(--shadow);
}

.topbar-copy h1 {
  font-family: "ZCOOL XiaoWei", serif;
  font-size: 34px;
  letter-spacing: 1px;
}

.topbar-copy p {
  margin-top: 8px;
  color: var(--ink-muted);
}

.top-actions {
  display: flex;
  gap: 10px;
  flex-wrap: wrap;
  align-items: flex-end;
  justify-content: flex-end;
}

.top-annotator {
  display: grid;
  gap: 6px;
  min-width: 220px;
}

.top-annotator-input {
  min-width: 220px;
}

button {
  border: 1px solid transparent;
  border-radius: 12px;
  padding: 10px 14px;
  cursor: pointer;
  transition: transform 160ms ease, background 160ms ease, border-color 160ms ease;
}

button:hover {
  transform: translateY(-1px);
}

button.primary {
  background: var(--accent);
  color: #fff;
}

button.primary:hover {
  background: #10473f;
}

button.ghost {
  background: rgba(255, 255, 255, 0.56);
  color: var(--ink);
  border-color: var(--line);
}

button.ghost:hover {
  background: #f3ecdf;
}

button:disabled {
  opacity: 0.6;
  cursor: not-allowed;
  transform: none;
}

.three-pane {
  display: grid;
  grid-template-columns: minmax(260px, 26%) minmax(420px, 46%) minmax(320px, 28%);
  gap: 14px;
  min-height: 0;
  height: 100%;
  overflow: hidden;
}

.pane {
  min-height: 0;
  display: grid;
  gap: 12px;
  padding: 16px;
  background: var(--card);
  border: 1px solid rgba(255, 255, 255, 0.6);
  border-radius: 20px;
  backdrop-filter: blur(16px);
  box-shadow: var(--shadow);
  overflow: hidden;
}

.pane-left,
.pane-center {
  grid-template-rows: auto auto 1fr;
}

.pane-right {
  grid-template-rows: auto auto auto 1fr auto auto;
  overflow: visible;
}

.pane-title-row {
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 8px;
}

.muted,
.field-label {
  color: var(--ink-muted);
  font-size: 12px;
}

.search,
.text-input,
.score-input,
#gtInput {
  width: 100%;
  border: 1px solid var(--line);
  border-radius: 12px;
  padding: 11px 12px;
  background: rgba(255, 255, 255, 0.84);
}

.search:focus,
.text-input:focus,
.score-input:focus,
#gtInput:focus {
  outline: 2px solid var(--accent-soft);
  border-color: var(--accent);
}

.sample-list,
.model-output {
  overflow: auto;
  border: 1px solid var(--line);
  border-radius: 14px;
  background: rgba(255, 253, 249, 0.9);
}

.sample-list {
  padding: 8px;
}

.sample-item {
  display: grid;
  gap: 8px;
  padding: 11px;
  border-radius: 12px;
  border: 1px solid transparent;
  cursor: pointer;
  transition: background 140ms ease, border-color 140ms ease, transform 140ms ease;
}

.sample-item + .sample-item {
  margin-top: 8px;
}

.sample-item:hover {
  background: #f3ecdf;
  transform: translateX(1px);
}

.sample-item.active {
  background: #eef7f3;
  border-color: var(--accent);
}

.sample-id,
.sample-annotator {
  color: var(--ink-muted);
  font-size: 12px;
}

.sample-question,
#questionTitle {
  font-size: 15px;
  line-height: 1.6;
}

.sample-foot {
  display: flex;
  justify-content: space-between;
  align-items: flex-end;
  gap: 8px;
}

.sample-progress {
  display: flex;
  gap: 6px;
  flex-wrap: wrap;
}

.sample-progress .status-pill {
  padding-inline: 8px;
}

.sample-annotator {
  text-align: right;
}

.status-pill {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  border-radius: 999px;
  padding: 4px 10px;
  font-size: 12px;
  white-space: nowrap;
}

.status-pill.done {
  color: var(--accent);
  background: var(--accent-soft);
}

.status-pill.pending {
  color: var(--warn);
  background: var(--warn-soft);
}

.status-pill.syncing {
  color: #7a4f12;
  background: #f8e9c9;
}

.tabs {
  display: flex;
  gap: 8px;
  flex-wrap: wrap;
}

.center-toolbar {
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 12px;
  flex-wrap: wrap;
}

.stage-tabs {
  display: inline-flex;
  gap: 8px;
  padding: 4px;
  border: 1px solid var(--line);
  border-radius: 14px;
  background: rgba(255, 255, 255, 0.6);
}

.stage-tab {
  padding: 8px 14px;
  border-radius: 10px;
  background: transparent;
  border-color: transparent;
}

.stage-tab.active {
  background: var(--accent);
  color: #fff;
  border-color: var(--accent);
}

.tab {
  background: rgba(255, 255, 255, 0.65);
  border-color: var(--line);
}

.tab.active {
  background: var(--accent);
  color: #fff;
  border-color: var(--accent);
}

.model-output {
  padding: 16px;
  white-space: pre-wrap;
  line-height: 1.75;
}

.model-output h1,
.model-output h2,
.model-output h3,
.model-output h4 {
  margin: 0.6em 0 0.4em;
  line-height: 1.4;
}

.model-output p,
.model-output ul,
.model-output ol,
.model-output table,
.model-output blockquote,
.model-output pre {
  margin: 0.55em 0;
}

.model-output ul,
.model-output ol {
  padding-left: 1.4em;
}

.model-output code {
  font-family: "SFMono-Regular", Menlo, Consolas, monospace;
  background: #f1eee8;
  border: 1px solid #e8e1d1;
  border-radius: 6px;
  padding: 1px 5px;
}

.model-output pre {
  background: #f6f2ea;
  border: 1px solid #e8e1d1;
  border-radius: 8px;
  padding: 10px;
  overflow: auto;
}

.model-output pre code {
  border: none;
  background: transparent;
  padding: 0;
}

.model-output blockquote {
  border-left: 3px solid #d3c8b3;
  margin-left: 0;
  padding-left: 10px;
  color: #5f655f;
}

.model-output table {
  width: 100%;
  border-collapse: collapse;
  font-size: 13px;
}

.model-output th,
.model-output td {
  border: 1px solid #e3dbc9;
  padding: 6px 8px;
  vertical-align: top;
}

.model-output th {
  background: #f3eee4;
}

.annotation-meta,
.score-panel {
  display: grid;
  gap: 10px;
  padding: 12px;
  border: 1px solid var(--line);
  border-radius: 14px;
  background: rgba(255, 252, 246, 0.75);
}

.score-panel-title {
  align-items: center;
}

.score-panel,
.score-fields,
.score-card,
.score-header {
  overflow: visible;
}

.score-model-name {
  padding: 4px 10px;
  border-radius: 999px;
  color: var(--accent);
  background: var(--accent-soft);
  font-size: 12px;
}

.tabs.reference-only {
  min-height: 42px;
}

.tabs.reference-only .tab {
  cursor: default;
}

.score-fields {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 10px;
}

.score-card {
  display: grid;
  gap: 8px;
  min-width: 0;
}

.score-header {
  display: flex;
  align-items: center;
  gap: 6px;
  min-height: 34px;
  font-size: 13px;
  line-height: 1.4;
}

.help-wrap {
  display: inline-flex;
}

.help-button {
  width: 20px;
  height: 20px;
  padding: 0;
  border-radius: 50%;
  border-color: var(--line);
  background: rgba(255, 255, 255, 0.88);
  color: var(--accent);
  font-weight: 700;
  line-height: 1;
}

.help-button:hover,
.help-button:focus-visible {
  transform: none;
  background: var(--accent-soft);
}

.global-tooltip {
  position: fixed;
  left: 0;
  top: 0;
  z-index: 1000;
  width: max-content;
  max-width: min(280px, calc(100vw - 24px));
  padding: 10px 12px;
  border-radius: 12px;
  background: #25302c;
  color: #f7f5ef;
  font-size: 12px;
  line-height: 1.6;
  box-shadow: 0 12px 24px rgba(18, 25, 23, 0.22);
  opacity: 0;
  pointer-events: none;
  transform: translateY(4px);
  transition: opacity 140ms ease, transform 140ms ease;
}

.global-tooltip.visible {
  opacity: 1;
  transform: translateY(0);
}

.global-tooltip[data-placement="bottom"] {
  transform: translateY(-4px);
}

.global-tooltip.visible[data-placement="bottom"] {
  transform: translateY(0);
}

.meta-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 10px;
}

.meta-value {
  margin-top: 4px;
  font-size: 13px;
  line-height: 1.5;
}

#gtInput {
  height: 100%;
  min-height: 220px;
  align-self: stretch;
  resize: vertical;
  line-height: 1.7;
}

.right-actions {
  display: flex;
  gap: 8px;
  align-items: center;
  align-self: start;
}

.hint,
.empty {
  color: var(--ink-muted);
  font-size: 12px;
  line-height: 1.6;
}

.empty {
  padding: 20px;
  text-align: center;
}

@media (max-width: 1350px) {
  .score-fields {
    grid-template-columns: 1fr;
  }
}

@media (max-width: 1200px) {
  .three-pane {
    grid-template-columns: 1fr 1fr;
    grid-template-areas:
      "left center"
      "right right";
  }

  .pane-left {
    grid-area: left;
  }

  .pane-center {
    grid-area: center;
  }

  .pane-right {
    grid-area: right;
  }
}

@media (max-width: 860px) {
  html,
  body {
    height: auto;
  }

  body {
    overflow: auto;
  }

  .app-shell {
    padding: 14px;
    height: auto;
    min-height: 100vh;
    overflow: visible;
  }

  .topbar {
    align-items: flex-start;
    flex-direction: column;
  }

  .top-actions {
    justify-content: flex-start;
    align-items: stretch;
  }

  .top-annotator,
  .top-annotator-input {
    min-width: 0;
    width: 100%;
  }

  .center-toolbar,
  .sample-foot {
    align-items: flex-start;
    flex-direction: column;
  }

  .three-pane {
    grid-template-columns: 1fr;
    grid-template-areas:
      "left"
      "center"
      "right";
    height: auto;
    overflow: visible;
  }

  .sample-list {
    max-height: 40vh;
  }

  .meta-grid,
  .right-actions {
    grid-template-columns: 1fr;
    display: grid;
  }

  #gtInput {
    min-height: 220px;
  }
}