:root {
  color-scheme: light;
  --bg: #f7f8fa;
  --panel: #ffffff;
  --ink: #202124;
  --muted: #667085;
  --line: #d8dde7;
  --line-strong: #c7ceda;
  --accent: #0f8f83;
  --accent-dark: #0b6f66;
  --blue: #2563eb;
  --warn: #c37a12;
  --danger: #b42318;
  --soft: #eef6f5;
  --shadow: 0 8px 22px rgba(25, 34, 46, 0.08);
  font-family: "Microsoft YaHei", "Segoe UI", system-ui, sans-serif;
}

* {
  box-sizing: border-box;
}

body {
  margin: 0;
  min-height: 100vh;
  background: var(--bg);
  color: var(--ink);
}

button,
input,
select,
textarea {
  font: inherit;
}

button {
  border: 1px solid var(--line-strong);
  background: #fff;
  color: var(--ink);
  min-height: 36px;
  padding: 0 14px;
  border-radius: 7px;
  cursor: pointer;
}

button:hover:not(:disabled) {
  border-color: var(--accent);
  color: var(--accent-dark);
}

button:disabled {
  cursor: not-allowed;
  opacity: 0.58;
}

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

button.primary:hover:not(:disabled) {
  background: var(--accent-dark);
  border-color: var(--accent-dark);
  color: #fff;
}

input,
select,
textarea {
  width: 100%;
  border: 1px solid var(--line);
  background: #fff;
  color: var(--ink);
  border-radius: 7px;
  padding: 9px 10px;
  outline: none;
}

textarea {
  resize: vertical;
  line-height: 1.55;
}

input:focus,
select:focus,
textarea:focus {
  border-color: var(--accent);
  box-shadow: 0 0 0 3px rgba(15, 143, 131, 0.14);
}

label span {
  display: block;
  margin-bottom: 6px;
  color: var(--muted);
  font-size: 13px;
}

.app-shell {
  position: sticky;
  top: 0;
  z-index: 10;
  display: flex;
  align-items: end;
  justify-content: space-between;
  gap: 24px;
  padding: 18px 28px 14px;
  background: rgba(247, 248, 250, 0.94);
  border-bottom: 1px solid var(--line);
  backdrop-filter: blur(12px);
}

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

h1 {
  font-size: 24px;
  font-weight: 700;
}

h2 {
  font-size: 16px;
  font-weight: 700;
}

.meta-line {
  margin-top: 4px;
  color: var(--muted);
  font-size: 13px;
}

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

.tab-button {
  min-width: 70px;
}

.tab-button.is-active {
  background: #17202a;
  border-color: #17202a;
  color: #fff;
}

.main-shell {
  padding: 24px 28px 40px;
}

.tab-panel {
  display: none;
}

.tab-panel.is-active {
  display: block;
}

.workspace-grid {
  display: grid;
  grid-template-columns: minmax(280px, 360px) minmax(0, 1fr);
  gap: 18px;
  align-items: start;
}

.panel {
  background: var(--panel);
  border: 1px solid var(--line);
  border-radius: 8px;
  padding: 18px;
  box-shadow: var(--shadow);
}

.panel + .panel {
  margin-top: 18px;
}

.panel-head {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 12px;
  margin-bottom: 16px;
}

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

.form-grid,
.settings-grid {
  display: grid;
  gap: 14px;
}

.settings-grid {
  grid-template-columns: repeat(3, minmax(180px, 1fr));
}

.settings-grid .wide {
  grid-column: 1 / -1;
}

.info-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 10px;
  margin: 16px 0 0;
}

.info-grid div {
  border: 1px solid var(--line);
  border-radius: 7px;
  padding: 10px;
  min-width: 0;
}

.info-grid dt {
  color: var(--muted);
  font-size: 12px;
  margin-bottom: 4px;
}

.info-grid dd {
  margin: 0;
  font-size: 13px;
  overflow-wrap: anywhere;
}

.pill {
  display: inline-flex;
  align-items: center;
  max-width: 100%;
  min-height: 26px;
  padding: 0 10px;
  border-radius: 999px;
  background: var(--soft);
  color: var(--accent-dark);
  font-size: 12px;
  overflow-wrap: anywhere;
}

.notice {
  min-height: 20px;
  margin-top: 14px;
  color: var(--muted);
  font-size: 13px;
  overflow-wrap: anywhere;
}

.notice.is-error {
  color: var(--danger);
}

.notice.is-ok {
  color: var(--accent-dark);
}

.candidate-grid {
  display: grid;
  grid-template-columns: repeat(3, minmax(220px, 1fr));
  gap: 14px;
}

.candidate-card {
  border: 1px solid var(--line);
  border-radius: 8px;
  overflow: hidden;
  background: #fff;
}

.candidate-card.is-focus {
  border-color: var(--blue);
  box-shadow: 0 0 0 3px rgba(37, 99, 235, 0.13);
}

.candidate-card.is-selected {
  border-color: var(--accent);
}

.candidate-media {
  position: relative;
  aspect-ratio: 9 / 16;
  background: #eceff3;
  display: grid;
  place-items: center;
  overflow: hidden;
}

.candidate-media img {
  width: 100%;
  height: 100%;
  object-fit: contain;
  background: #f2f4f7;
}

.candidate-body {
  display: grid;
  gap: 10px;
  padding: 12px;
}

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

.candidate-title h3 {
  font-size: 15px;
  overflow-wrap: anywhere;
}

.chip-row {
  display: flex;
  gap: 6px;
  flex-wrap: wrap;
}

.chip {
  display: inline-flex;
  align-items: center;
  min-height: 24px;
  max-width: 100%;
  padding: 2px 8px;
  border-radius: 999px;
  background: #f0f2f5;
  color: #394150;
  font-size: 12px;
  overflow-wrap: anywhere;
}

.chip.keep {
  background: #eaf7ef;
  color: #12613a;
}

.chip.mutate {
  background: #fff3df;
  color: var(--warn);
}

.gene-grid {
  display: grid;
  grid-template-columns: repeat(4, minmax(160px, 1fr));
  gap: 10px;
}

.gene-item {
  border: 1px solid var(--line);
  border-radius: 7px;
  padding: 10px;
  min-width: 0;
}

.gene-item b {
  display: block;
  color: var(--muted);
  font-size: 12px;
  font-weight: 500;
  margin-bottom: 5px;
}

.gene-item span {
  display: block;
  overflow-wrap: anywhere;
  line-height: 1.42;
}

.prompt-box {
  margin-top: 16px;
}

.prompt-box summary {
  cursor: pointer;
  color: var(--blue);
}

pre {
  white-space: pre-wrap;
  overflow-wrap: anywhere;
  background: #f5f7fb;
  border: 1px solid var(--line);
  border-radius: 7px;
  padding: 12px;
  line-height: 1.55;
  max-height: 360px;
  overflow: auto;
}

.code-textarea {
  min-height: 180px;
  font-family: "Cascadia Mono", "Consolas", monospace;
  font-size: 13px;
}

.settings-actions {
  margin-bottom: 18px;
}

.field-table {
  display: grid;
  gap: 12px;
}

.field-row {
  display: grid;
  grid-template-columns: 1fr 1fr 110px 2.2fr 110px 110px 1.4fr auto;
  gap: 8px;
  align-items: start;
  border: 1px solid var(--line);
  border-radius: 8px;
  padding: 10px;
}

.field-row textarea {
  min-height: 92px;
}

.field-row button {
  margin-top: 24px;
}

.split-panels {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 18px;
}

.history-list {
  display: grid;
  gap: 10px;
}

.history-item {
  display: grid;
  grid-template-columns: minmax(160px, 1fr) repeat(4, minmax(90px, auto)) auto;
  gap: 10px;
  align-items: center;
  border: 1px solid var(--line);
  border-radius: 8px;
  padding: 12px;
}

.history-item strong,
.history-item span {
  overflow-wrap: anywhere;
}

.empty {
  min-height: 120px;
  display: grid;
  place-items: center;
  color: var(--muted);
  border: 1px dashed var(--line-strong);
  border-radius: 8px;
}

.candidate-grid .empty,
.gene-grid .empty {
  grid-column: 1 / -1;
}

@media (max-width: 1180px) {
  .workspace-grid,
  .split-panels {
    grid-template-columns: 1fr;
  }

  .candidate-grid {
    grid-template-columns: repeat(2, minmax(220px, 1fr));
  }

  .gene-grid {
    grid-template-columns: repeat(2, minmax(160px, 1fr));
  }

  .field-row {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }

  .field-row button {
    margin-top: 0;
  }
}

@media (max-width: 760px) {
  .app-shell {
    align-items: stretch;
    flex-direction: column;
    padding: 16px;
  }

  .main-shell {
    padding: 16px;
  }

  .candidate-grid,
  .settings-grid,
  .gene-grid,
  .history-item {
    grid-template-columns: 1fr;
  }

  .info-grid {
    grid-template-columns: 1fr;
  }
}