:root {
  --bg: var(--tg-theme-bg-color, #12140f);
  --bg-soft: color-mix(in srgb, var(--bg) 88%, #2a3224);
  --fg: var(--tg-theme-text-color, #e8eadf);
  --muted: var(--tg-theme-hint-color, #9aa38c);
  --accent: var(--tg-theme-button-color, #c4a35a);
  --accent-fg: var(--tg-theme-button-text-color, #1a160c);
  --card: color-mix(in srgb, var(--bg) 78%, #3a4232);
  --line: color-mix(in srgb, var(--fg) 12%, transparent);
  --ok: #7fbf7f;
  --warn: #d4a017;
  --err: #d46a6a;
  --radius: 14px;
  --font: "IBM Plex Sans", system-ui, sans-serif;
  --display: "Literata", Georgia, serif;
}

* { box-sizing: border-box; }
html, body {
  margin: 0;
  min-height: 100%;
  background:
    radial-gradient(1200px 500px at 10% -10%, color-mix(in srgb, var(--accent) 18%, transparent), transparent 60%),
    radial-gradient(900px 400px at 100% 0%, color-mix(in srgb, #5a7a5a 16%, transparent), transparent 55%),
    var(--bg);
  color: var(--fg);
  font-family: var(--font);
  font-size: 15px;
  line-height: 1.45;
}

#app {
  max-width: 720px;
  margin: 0 auto;
  padding: 12px 14px 40px;
}

.top { margin-bottom: 10px; }
.brand { display: flex; gap: 12px; align-items: center; }
.brand-mark {
  width: 42px; height: 42px; border-radius: 12px;
  background:
    conic-gradient(from 210deg, color-mix(in srgb, var(--accent) 70%, #fff), transparent 55%, color-mix(in srgb, #6d8f6d 80%, #fff));
  box-shadow: inset 0 0 0 1px color-mix(in srgb, var(--accent) 35%, transparent);
  animation: spin-slow 18s linear infinite;
}
@keyframes spin-slow { to { transform: rotate(360deg); } }

h1 {
  margin: 0;
  font-family: var(--display);
  font-size: 1.55rem;
  font-weight: 700;
  letter-spacing: -0.02em;
}
.sub { margin: 2px 0 0; color: var(--muted); font-size: 0.85rem; }

.tabs {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 4px;
  margin: 14px 0 16px;
  padding: 4px;
  border: 1px solid var(--line);
  border-radius: 999px;
  background: color-mix(in srgb, var(--bg) 70%, black);
}
.tab {
  border: 0;
  background: transparent;
  color: var(--muted);
  padding: 10px 4px;
  border-radius: 999px;
  font: inherit;
  font-size: 0.82rem;
  font-weight: 500;
  cursor: pointer;
}
.tab.active {
  background: var(--accent);
  color: var(--accent-fg);
}
.tab.upload-tab:not(.active) { color: var(--accent); }

.panel { display: none; }
.panel.active { display: block; animation: fade-up 0.35s ease both; }
@keyframes fade-up {
  from { opacity: 0; transform: translateY(8px); }
  to { opacity: 1; transform: none; }
}

.card {
  background: var(--card);
  border: 1px solid var(--line);
  border-radius: var(--radius);
  padding: 14px;
  margin-bottom: 10px;
  cursor: pointer;
  transition: transform 0.18s ease, border-color 0.18s ease;
}
.card:active { transform: scale(0.99); }
.card:hover { border-color: color-mix(in srgb, var(--accent) 45%, var(--line)); }
.card h3 {
  margin: 0 0 6px;
  font-family: var(--display);
  font-size: 1.05rem;
  font-weight: 600;
}
.meta {
  display: flex;
  flex-wrap: wrap;
  gap: 6px 10px;
  color: var(--muted);
  font-size: 0.8rem;
}
.pill {
  display: inline-flex;
  align-items: center;
  gap: 4px;
  padding: 2px 8px;
  border-radius: 999px;
  border: 1px solid var(--line);
  background: color-mix(in srgb, var(--bg) 55%, transparent);
}
.pill.ok { border-color: color-mix(in srgb, var(--ok) 50%, var(--line)); color: var(--ok); }
.pill.warn { border-color: color-mix(in srgb, var(--warn) 50%, var(--line)); color: var(--warn); }
.pill.err { border-color: color-mix(in srgb, var(--err) 50%, var(--line)); color: var(--err); }

.empty {
  text-align: center;
  color: var(--muted);
  padding: 36px 12px;
  border: 1px dashed var(--line);
  border-radius: var(--radius);
}

.upload-card {
  padding: 18px;
  border: 1px solid color-mix(in srgb, var(--accent) 42%, var(--line));
  border-radius: var(--radius);
  background:
    linear-gradient(180deg, color-mix(in srgb, var(--accent) 10%, transparent), transparent 55%),
    var(--card);
}
.upload-card h2 {
  margin: 0 0 6px;
  font-family: var(--display);
  font-size: 1.2rem;
}
.file-picker {
  display: flex;
  min-height: 54px;
  align-items: center;
  justify-content: center;
  margin: 16px 0 10px;
  padding: 12px;
  border: 1px dashed color-mix(in srgb, var(--accent) 60%, var(--line));
  border-radius: 12px;
  color: var(--accent);
  text-align: center;
  cursor: pointer;
}
.file-picker input { position: absolute; width: 1px; height: 1px; opacity: 0; }
.upload-button {
  width: 100%;
  min-height: 48px;
  border: 0;
  border-radius: 12px;
  background: var(--accent);
  color: var(--accent-fg);
  font: inherit;
  font-weight: 600;
  cursor: pointer;
}
.upload-button:disabled { cursor: default; opacity: 0.45; }
.upload-progress {
  display: grid;
  grid-template-columns: 1fr auto;
  gap: 10px;
  align-items: center;
  margin-top: 14px;
  color: var(--muted);
  font-size: 0.82rem;
}
.upload-progress[hidden] { display: none; }
.upload-progress progress { width: 100%; height: 10px; accent-color: var(--accent); }
.upload-result {
  display: flex;
  gap: 8px;
  align-items: center;
  min-height: 24px;
  margin-top: 12px;
  color: var(--muted);
  font-size: 0.85rem;
}

.back {
  border: 0;
  background: transparent;
  color: var(--accent);
  font: inherit;
  padding: 0 0 12px;
  cursor: pointer;
}

/* Anatomy animation */
.anatomy-stage {
  margin: 8px 0 18px;
  padding: 16px;
  border-radius: var(--radius);
  border: 1px solid var(--line);
  background:
    linear-gradient(180deg, color-mix(in srgb, var(--accent) 8%, transparent), transparent 40%),
    var(--card);
  overflow: hidden;
}
.level-title {
  display: flex;
  justify-content: space-between;
  align-items: baseline;
  margin-bottom: 10px;
  font-weight: 600;
}
.level-title span { color: var(--muted); font-weight: 400; font-size: 0.85rem; }

.flow {
  display: flex;
  flex-direction: column;
  gap: 10px;
}
.flow-node {
  opacity: 0;
  transform: translateY(12px) scale(0.98);
  animation: reveal 0.55s cubic-bezier(.2,.8,.2,1) forwards;
  border-radius: 12px;
  border: 1px solid var(--line);
  background: color-mix(in srgb, var(--bg) 55%, var(--card));
  padding: 10px 12px;
}
.flow-node.source {
  border-color: color-mix(in srgb, var(--accent) 55%, var(--line));
  box-shadow: 0 0 0 1px color-mix(in srgb, var(--accent) 20%, transparent);
}
.flow-children {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(140px, 1fr));
  gap: 8px;
}
.chip {
  opacity: 0;
  animation: reveal 0.45s ease forwards;
  padding: 8px 10px;
  border-radius: 10px;
  border: 1px solid var(--line);
  background: color-mix(in srgb, var(--bg) 70%, transparent);
  font-size: 0.78rem;
  min-height: 64px;
}
.chip.embed {
  background:
    linear-gradient(135deg, color-mix(in srgb, #6d8f6d 22%, transparent), transparent 70%),
    color-mix(in srgb, var(--bg) 70%, transparent);
}
.chip .t { color: var(--muted); display: block; margin-top: 4px; }
@keyframes reveal {
  to { opacity: 1; transform: none; }
}

.pulse-line {
  height: 2px;
  margin: 4px 0 2px 18px;
  width: 2px;
  background: linear-gradient(var(--accent), transparent);
  animation: grow 0.4s ease both;
}
@keyframes grow { from { height: 0; } to { height: 14px; } }

/* Runs / thinking */
.timeline {
  position: relative;
  margin: 8px 0 0;
  padding-left: 18px;
}
.timeline::before {
  content: "";
  position: absolute;
  left: 5px; top: 4px; bottom: 4px;
  width: 2px;
  background: linear-gradient(var(--accent), color-mix(in srgb, var(--accent) 10%, transparent));
}
.t-item {
  position: relative;
  margin-bottom: 12px;
  padding: 10px 12px;
  border-radius: 12px;
  border: 1px solid var(--line);
  background: var(--card);
  opacity: 0;
  animation: reveal 0.4s ease forwards;
}
.t-item::before {
  content: "";
  position: absolute;
  left: -16px; top: 16px;
  width: 10px; height: 10px;
  border-radius: 50%;
  background: var(--accent);
  box-shadow: 0 0 0 3px color-mix(in srgb, var(--accent) 25%, transparent);
}
.t-item h4 { margin: 0 0 4px; font-size: 0.95rem; }
.mono {
  font-family: ui-monospace, SFMono-Regular, Menlo, monospace;
  font-size: 0.75rem;
  white-space: pre-wrap;
  word-break: break-word;
  color: var(--muted);
  background: color-mix(in srgb, var(--bg) 70%, black);
  border-radius: 8px;
  padding: 8px;
  margin-top: 8px;
  max-height: 160px;
  overflow: auto;
}

.stage-bars { display: flex; flex-wrap: wrap; gap: 6px; margin-top: 8px; }
.bar {
  flex: 1 1 90px;
  min-width: 90px;
  padding: 8px;
  border-radius: 10px;
  border: 1px solid var(--line);
  background: color-mix(in srgb, var(--bg) 60%, transparent);
  font-size: 0.75rem;
}
.bar strong { display: block; font-size: 1.1rem; font-family: var(--display); }

.toast {
  position: fixed;
  left: 50%;
  bottom: 24px;
  transform: translateX(-50%);
  background: #1c1f18;
  color: #fff;
  padding: 10px 14px;
  border-radius: 999px;
  border: 1px solid var(--line);
  z-index: 20;
}

.loading {
  color: var(--muted);
  padding: 24px;
  text-align: center;
}
.loading::after {
  content: "";
  display: inline-block;
  width: 14px; height: 14px; margin-left: 8px;
  border: 2px solid var(--line);
  border-top-color: var(--accent);
  border-radius: 50%;
  vertical-align: -2px;
  animation: spin-slow 0.8s linear infinite;
}

/* Data tables — fixed layout, no horizontal collapse */
.section-head {
  display: flex;
  justify-content: space-between;
  align-items: baseline;
  gap: 8px;
  margin: 18px 0 8px;
  font-family: var(--display);
  font-size: 1.05rem;
  font-weight: 600;
}
.section-head span { color: var(--muted); font-family: var(--font); font-size: 0.8rem; font-weight: 400; }

.table-wrap {
  width: 100%;
  border: 1px solid var(--line);
  border-radius: 12px;
  overflow-x: auto;
  overflow-y: auto;
  max-height: min(58vh, 520px);
  background: color-mix(in srgb, var(--bg) 55%, black);
  -webkit-overflow-scrolling: touch;
}
.table-wrap.tall { max-height: min(72vh, 720px); }

.data-table {
  width: 100%;
  border-collapse: separate;
  border-spacing: 0;
  table-layout: fixed;
  font-size: 0.78rem;
  font-family: var(--font);
}
.data-table th,
.data-table td {
  padding: 9px 10px;
  border-bottom: 1px solid var(--line);
  text-align: left;
  vertical-align: top;
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
}
.data-table th {
  position: sticky;
  top: 0;
  background: #1a1d16;
  z-index: 2;
  color: var(--muted);
  font-weight: 600;
  font-size: 0.72rem;
  letter-spacing: 0.02em;
  text-transform: uppercase;
}
.data-table td.clip {
  white-space: nowrap;
}
.data-table tr {
  cursor: pointer;
  transition: background 0.15s ease;
}
.data-table tr:hover td {
  background: color-mix(in srgb, var(--accent) 10%, transparent);
}
.data-table tr.focus-row td {
  background: color-mix(in srgb, var(--accent) 20%, transparent);
  box-shadow: inset 3px 0 0 var(--accent);
}
.data-table tr.focus-row {
  animation: row-flash 1.1s ease;
}
@keyframes row-flash {
  0% { filter: brightness(1.25); }
  100% { filter: none; }
}

/* Column widths for markup / corpus tables */
.data-table.cols-markup { min-width: 640px; }
.data-table.cols-markup th:nth-child(1),
.data-table.cols-markup td:nth-child(1) { width: 44px; }
.data-table.cols-markup th:nth-child(2),
.data-table.cols-markup td:nth-child(2) { width: 72px; }
.data-table.cols-markup th:nth-child(3),
.data-table.cols-markup td:nth-child(3) { width: 110px; }
.data-table.cols-markup th:nth-child(4),
.data-table.cols-markup td:nth-child(4) { width: 52px; }
.data-table.cols-markup th:nth-child(5),
.data-table.cols-markup td:nth-child(5) { width: 40px; }
.data-table.cols-markup th:nth-child(6),
.data-table.cols-markup td:nth-child(6) { width: 64px; }
.data-table.cols-markup th:nth-child(7),
.data-table.cols-markup td:nth-child(7) { width: 72px; }

.data-table.cols-corpus { min-width: 760px; }
.data-table.cols-corpus th:nth-child(1),
.data-table.cols-corpus td:nth-child(1) { width: 74px; }
.data-table.cols-corpus th:nth-child(2),
.data-table.cols-corpus td:nth-child(2) { width: 78px; }
.data-table.cols-corpus th:nth-child(3),
.data-table.cols-corpus td:nth-child(3) { width: 120px; }
.data-table.cols-corpus th:nth-child(4),
.data-table.cols-corpus td:nth-child(4) { width: 40px; }
.data-table.cols-corpus th:nth-child(5),
.data-table.cols-corpus td:nth-child(5) { width: 70px; }
.data-table.cols-corpus th:nth-child(6),
.data-table.cols-corpus td:nth-child(6) { width: 40px; }
.data-table.cols-corpus th:nth-child(7),
.data-table.cols-corpus td:nth-child(7) { width: 48px; }
.data-table.cols-corpus th:nth-child(8),
.data-table.cols-corpus td:nth-child(8) { width: 70px; }

.row-open {
  border: 0;
  background: color-mix(in srgb, var(--accent) 18%, transparent);
  color: var(--accent);
  border-radius: 8px;
  padding: 4px 8px;
  font: inherit;
  font-size: 0.72rem;
  cursor: pointer;
}

/* Row detail sheet */
.sheet-backdrop {
  position: fixed;
  inset: 0;
  background: rgba(0,0,0,0.55);
  z-index: 40;
  display: flex;
  align-items: flex-end;
  justify-content: center;
  padding: 12px;
  animation: fade-up 0.2s ease;
}
.sheet {
  width: min(720px, 100%);
  max-height: min(86vh, 820px);
  overflow: auto;
  background: #171a13;
  border: 1px solid var(--line);
  border-radius: 16px 16px 12px 12px;
  padding: 16px;
  box-shadow: 0 -12px 40px rgba(0,0,0,0.35);
}
.sheet h3 {
  margin: 0 0 8px;
  font-family: var(--display);
  font-size: 1.15rem;
}
.sheet-grid {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 8px;
  margin: 12px 0;
}
.sheet-kv {
  border: 1px solid var(--line);
  border-radius: 10px;
  padding: 8px 10px;
  background: color-mix(in srgb, var(--bg) 60%, transparent);
}
.sheet-kv .k {
  display: block;
  color: var(--muted);
  font-size: 0.7rem;
  text-transform: uppercase;
  letter-spacing: 0.03em;
  margin-bottom: 2px;
}
.sheet-kv .v {
  font-family: "IBM Plex Mono", monospace;
  font-size: 0.78rem;
  word-break: break-word;
  white-space: pre-wrap;
}
.sheet-body {
  margin-top: 10px;
}
.sheet-body h4 {
  margin: 12px 0 6px;
  font-size: 0.85rem;
  color: var(--muted);
  font-weight: 600;
}
.sheet-text {
  white-space: pre-wrap;
  word-break: break-word;
  font-size: 0.92rem;
  line-height: 1.5;
  padding: 12px;
  border-radius: 12px;
  border: 1px solid var(--line);
  background: color-mix(in srgb, var(--bg) 70%, black);
  max-height: 40vh;
  overflow: auto;
}
.sheet-actions {
  display: flex;
  gap: 8px;
  margin-top: 14px;
}
.sheet-actions button {
  border: 1px solid var(--line);
  background: var(--card);
  color: var(--fg);
  border-radius: 999px;
  padding: 8px 14px;
  font: inherit;
  cursor: pointer;
}
.sheet-actions button.primary {
  background: var(--accent);
  color: var(--accent-fg);
  border-color: transparent;
}

.log-list { display: flex; flex-direction: column; gap: 8px; }
.log-item {
  border: 1px solid var(--line);
  border-radius: 10px;
  padding: 10px 12px;
  background: var(--card);
  opacity: 0;
  animation: reveal 0.35s ease forwards;
}
.log-item .stage {
  font-family: "IBM Plex Mono", monospace;
  font-size: 0.75rem;
  color: var(--accent);
}
.log-item .msg { margin-top: 4px; }
.log-item .ts { color: var(--muted); font-size: 0.75rem; margin-top: 4px; }

.hint {
  color: var(--muted);
  font-size: 0.85rem;
  margin: 0 0 10px;
}

.actions {
  display: flex;
  gap: 8px;
  margin-top: 12px;
}
.actions button {
  min-height: 40px;
  border: 1px solid var(--line);
  border-radius: 10px;
  background: var(--card);
  color: var(--fg);
  padding: 8px 14px;
  font: inherit;
}
.prompt-settings {
  margin-bottom: 16px;
  padding: 14px;
  border: 1px solid var(--line);
  border-radius: var(--radius);
  background: var(--card);
}
.prompt-settings summary {
  color: var(--accent);
  cursor: pointer;
  font-weight: 600;
}
.prompt-settings textarea {
  width: 100%;
  margin-top: 8px;
  border: 1px solid var(--line);
  border-radius: 10px;
  background: color-mix(in srgb, var(--bg) 70%, black);
  color: var(--fg);
  padding: 10px;
  font: 0.85rem/1.45 var(--font);
  resize: vertical;
}

@media (max-width: 520px) {
  #app { padding-inline: 10px; }
  .tabs { gap: 2px; }
  .tab { padding-inline: 2px; font-size: 0.72rem; }
  .sheet-grid { grid-template-columns: 1fr; }
  .data-table { font-size: 0.72rem; }
}