:root {
  color-scheme: light;
  --ink: #172033;
  --muted: #667085;
  --line: #d6dce7;
  --panel: #ffffff;
  --panel-soft: #f8fafc;
  --accent: #14756f;
  --accent-strong: #0d5f5a;
  --navy: #111b2e;
  --warn: #a65f00;
  --bad: #b42318;
  --good: #087443;
  --shadow: 0 24px 70px rgba(16, 24, 40, 0.11);
  --shadow-soft: 0 12px 30px rgba(16, 24, 40, 0.06);
}

* {
  box-sizing: border-box;
}

body {
  margin: 0;
  min-height: 100vh;
  background:
    linear-gradient(180deg, rgba(17, 27, 46, 0.08), rgba(17, 27, 46, 0) 320px),
    linear-gradient(120deg, rgba(20, 117, 111, 0.08), rgba(20, 117, 111, 0) 42%),
    #f2f5f8;
  color: var(--ink);
  font-family:
    Inter, "PingFang SC", "Microsoft YaHei", system-ui, -apple-system, sans-serif;
}

button,
input,
textarea {
  font: inherit;
}

.app-shell {
  width: min(1500px, calc(100vw - 36px));
  margin: 0 auto;
  padding: 28px 0 28px;
}

.topbar {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 24px;
  padding: 26px 30px;
  margin-bottom: 20px;
  color: #f8fbff;
  background:
    linear-gradient(135deg, rgba(255, 255, 255, 0.08), transparent 34%),
    linear-gradient(135deg, #101928, #173348 58%, #0d5f5a);
  border: 1px solid rgba(255, 255, 255, 0.18);
  border-radius: 10px;
  box-shadow: var(--shadow);
}

.brand-block {
  display: flex;
  align-items: center;
  gap: 18px;
}

.brand-mark {
  display: grid;
  width: 54px;
  height: 54px;
  place-items: center;
  border: 1px solid rgba(255, 255, 255, 0.32);
  border-radius: 8px;
  background: rgba(255, 255, 255, 0.12);
  color: #d9fffb;
  font-weight: 900;
}

.eyebrow {
  margin: 0 0 8px;
  color: #b7efe7;
  font-size: 12px;
  font-weight: 800;
  letter-spacing: 0;
  text-transform: uppercase;
}

h1,
h2,
p {
  margin: 0;
}

h1 {
  font-size: clamp(28px, 4vw, 44px);
  line-height: 1.05;
  letter-spacing: 0;
  font-weight: 850;
}

h2 {
  font-size: 20px;
  line-height: 1.25;
}

.topbar-meta {
  display: grid;
  gap: 6px;
  min-width: 220px;
  padding: 14px 16px;
  border: 1px solid rgba(255, 255, 255, 0.22);
  border-radius: 8px;
  background: rgba(255, 255, 255, 0.1);
  text-align: right;
}

.topbar-actions {
  display: flex;
  align-items: center;
  gap: 12px;
}

.language-switch {
  display: flex;
  gap: 2px;
  padding: 4px;
  border: 1px solid rgba(255, 255, 255, 0.22);
  border-radius: 999px;
  background: rgba(255, 255, 255, 0.1);
}

.language-option {
  min-width: 48px;
  min-height: 34px;
  padding: 7px 12px;
  border: 0;
  border-radius: 999px;
  background: transparent;
  color: #c9dce4;
  cursor: pointer;
  font-size: 12px;
  font-weight: 900;
}

.language-option.active {
  background: #ffffff;
  color: var(--accent-strong);
}

.topbar-meta span {
  color: #bdd5df;
  font-size: 12px;
  font-weight: 800;
}

.topbar-meta strong {
  color: #ffffff;
  font-size: 15px;
}

.workspace {
  display: grid;
  grid-template-columns: minmax(370px, 0.76fr) minmax(560px, 1.24fr);
  gap: 20px;
}

.input-panel,
.result-panel {
  background: var(--panel);
  border: 1px solid var(--line);
  border-radius: 10px;
  box-shadow: var(--shadow);
  overflow: hidden;
}

.section-head {
  display: flex;
  align-items: flex-start;
  justify-content: space-between;
  gap: 18px;
  padding: 22px 24px;
  border-bottom: 1px solid var(--line);
  background: linear-gradient(180deg, #ffffff, #fbfcfe);
}

.section-head p {
  margin-top: 5px;
  color: var(--muted);
  font-size: 14px;
}

textarea {
  display: block;
  width: calc(100% - 48px);
  min-height: 410px;
  margin: 24px;
  padding: 18px;
  resize: vertical;
  color: #111827;
  background: #fdfefe;
  border: 1px solid #bfc9d8;
  border-radius: 8px;
  box-shadow: inset 0 1px 3px rgba(16, 24, 40, 0.04);
  font-family: "SFMono-Regular", Consolas, "Liberation Mono", monospace;
  font-size: 13px;
  line-height: 1.6;
}

textarea:focus,
input:focus,
button:focus-visible {
  outline: 3px solid rgba(13, 118, 110, 0.22);
  outline-offset: 2px;
}

.input-actions,
.settings-grid {
  display: grid;
  gap: 12px;
  padding: 0 24px 24px;
}

.input-actions {
  grid-template-columns: 1fr 1fr;
}

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

.settings-grid label {
  display: grid;
  gap: 7px;
  color: var(--muted);
  font-size: 13px;
  font-weight: 700;
}

.settings-grid input {
  width: 100%;
  min-height: 42px;
  padding: 9px 10px;
  border: 1px solid #bcc7d6;
  border-radius: 8px;
  background: #ffffff;
  color: var(--ink);
}

.primary-button,
.ghost-button,
.file-button {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: 42px;
  padding: 10px 14px;
  border-radius: 8px;
  border: 1px solid transparent;
  cursor: pointer;
  font-weight: 800;
  white-space: nowrap;
}

.primary-button {
  background: linear-gradient(180deg, #188179, var(--accent-strong));
  color: white;
  box-shadow: 0 10px 22px rgba(13, 95, 90, 0.22);
}

.primary-button:hover {
  background: var(--accent-strong);
}

.ghost-button,
.file-button {
  border-color: #b9c4d1;
  background: #ffffff;
  color: #243244;
  box-shadow: var(--shadow-soft);
}

.ghost-button:hover,
.file-button:hover {
  background: #edf2f7;
}

.ghost-button:disabled {
  opacity: 0.45;
  cursor: not-allowed;
}

.file-button input {
  display: none;
}

.library-strip {
  padding: 18px 24px;
  border-bottom: 1px solid var(--line);
  background:
    linear-gradient(90deg, rgba(20, 117, 111, 0.08), rgba(20, 117, 111, 0)),
    var(--panel-soft);
}

.database-card {
  display: grid;
  grid-template-columns: 1.15fr 0.85fr 1.2fr 0.8fr;
  gap: 1px;
  overflow: hidden;
  border: 1px solid #d8e0ea;
  border-radius: 8px;
  background: #d8e0ea;
  box-shadow: var(--shadow-soft);
}

.database-card > div {
  min-height: 82px;
  padding: 16px 18px;
  background: rgba(255, 255, 255, 0.92);
}

.database-card strong {
  display: block;
  margin-top: 8px;
  color: var(--navy);
  font-size: 18px;
  line-height: 1.25;
}

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

.metric-label {
  display: block;
  font-weight: 800;
  text-transform: uppercase;
  letter-spacing: 0;
}

.table-wrap {
  overflow-x: auto;
}

table {
  width: 100%;
  min-width: 880px;
  border-collapse: collapse;
  font-size: 14px;
}

th,
td {
  padding: 13px 14px;
  border-bottom: 1px solid var(--line);
  text-align: left;
  vertical-align: top;
}

th {
  color: #475467;
  background: #f8fafc;
  font-size: 12px;
  text-transform: uppercase;
  letter-spacing: 0;
}

tbody tr {
  cursor: pointer;
}

tbody tr:hover {
  background: #f6fbfa;
}

.empty-state {
  padding: 44px 18px;
  color: var(--muted);
  text-align: center;
}

.tag {
  display: inline-flex;
  align-items: center;
  min-height: 26px;
  padding: 4px 8px;
  border-radius: 999px;
  background: #edf2f7;
  color: #344054;
  font-size: 12px;
  font-weight: 800;
}

.tag.good {
  background: #e6f4ee;
  color: var(--good);
}

.tag.warn {
  background: #fff2d8;
  color: var(--warn);
}

.tag.bad {
  background: #fee9e7;
  color: var(--bad);
}

.detail-area {
  padding: 20px 24px 24px;
}

.detail-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 14px;
}

.match-box {
  border: 1px solid var(--line);
  border-radius: 8px;
  background: #fff;
  overflow: hidden;
  box-shadow: var(--shadow-soft);
}

.match-box h3 {
  margin: 0;
  padding: 13px 14px;
  border-bottom: 1px solid var(--line);
  font-size: 15px;
}

.variant-box {
  margin-top: 14px;
}

.match-list {
  margin: 0;
  padding: 0;
  list-style: none;
}

.match-list li {
  display: grid;
  grid-template-columns: 72px 1fr;
  gap: 10px;
  padding: 11px 14px;
  border-bottom: 1px solid #edf1f5;
}

.match-list li:last-child {
  border-bottom: 0;
}

.score {
  font-weight: 900;
  color: var(--accent-strong);
}

.ref-title {
  color: #39465a;
  font-size: 13px;
  line-height: 1.35;
}

.mini-bars {
  display: grid;
  grid-template-columns: repeat(80, 1fr);
  height: 22px;
  margin-top: 18px;
  border: 1px solid #d6dde7;
  border-radius: 8px;
  overflow: hidden;
}

.site-footer {
  display: flex;
  justify-content: space-between;
  gap: 18px;
  margin-top: 18px;
  padding: 16px 4px 0;
  color: #667085;
  font-size: 12px;
}

.mini-bars span.match {
  background: #58b39f;
}

.mini-bars span.miss {
  background: #e47662;
}

.mini-bars span.gap {
  background: #ccd5df;
}

@media (max-width: 980px) {
  .app-shell {
    width: min(100% - 24px, 760px);
    padding-top: 12px;
  }

  .topbar,
  .workspace,
  .section-head,
  .detail-grid {
    display: block;
  }

  .brand-block {
    align-items: flex-start;
  }

  .topbar-meta {
    margin-top: 18px;
    text-align: left;
  }

  .topbar-actions {
    display: grid;
    justify-items: start;
  }

  .input-actions,
  .settings-grid,
  .database-card {
    grid-template-columns: 1fr;
  }

  textarea {
    min-height: 300px;
  }

  .site-footer {
    display: grid;
  }
}