/* PUBLIC APP — Lab notebook style */

*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }

:root {
  --bg: #f8f7f4;
  --surface: #ffffff;
  --border: #d4d0c8;
  --border-light: #e8e4dc;
  --text: #1a1a1a;
  --text-dim: #6b6560;
  --text-faint: #a09890;
  --local-color: #1d4ed8;     /* blue — local / public */
  --remote-color: #6b21a8;    /* purple — remote / private */
  --warn-color: #b45309;
  --error-color: #b91c1c;
  --ok-color: #15803d;
  --info-color: #0369a1;
  --font: 'JetBrains Mono', 'Fira Code', 'Courier New', monospace;
}

body {
  background: var(--bg);
  color: var(--text);
  font-family: var(--font);
  font-size: 13px;
  line-height: 1.7;
}

/* ── Layout ── */

.notebook {
  max-width: 860px;
  margin: 0 auto;
  padding: 0 20px 60px;
}

/* ── Header ── */

header {
  border-bottom: 2px solid var(--text);
  padding: 20px 0 12px;
  margin-bottom: 28px;
}

header h1 {
  font-size: 14px;
  font-weight: 700;
  letter-spacing: 0.06em;
  text-transform: uppercase;
}

.header-sub {
  font-size: 11px;
  color: var(--text-dim);
  margin-top: 3px;
}

/* ── Section ── */

.section {
  margin-bottom: 28px;
}

.section-label {
  font-size: 10px;
  font-weight: 700;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--text-dim);
  border-bottom: 1px solid var(--border);
  padding-bottom: 5px;
  margin-bottom: 12px;
  display: flex;
  align-items: center;
  gap: 8px;
}

.layer-tag {
  font-size: 9px;
  padding: 1px 6px;
  border-radius: 2px;
  font-weight: 700;
  letter-spacing: 0.06em;
}

.layer-tag.public {
  background: rgba(29,78,216,0.08);
  color: var(--local-color);
  border: 1px solid rgba(29,78,216,0.2);
}

.layer-tag.private {
  background: rgba(107,33,168,0.08);
  color: var(--remote-color);
  border: 1px solid rgba(107,33,168,0.2);
}

/* ── Inputs ── */

.field-label {
  font-size: 10px;
  color: var(--text-dim);
  letter-spacing: 0.06em;
  text-transform: uppercase;
  margin-bottom: 4px;
  display: block;
}

input[type="text"], textarea {
  width: 100%;
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: 3px;
  color: var(--text);
  font-family: var(--font);
  font-size: 13px;
  padding: 7px 10px;
  outline: none;
  transition: border-color 0.1s;
}

input[type="text"]:focus, textarea:focus {
  border-color: var(--local-color);
}

.expr-input {
  font-size: 16px;
  padding: 10px 12px;
  border-width: 2px;
}

textarea { resize: vertical; min-height: 54px; }

/* ── Tags input (comma-separated lists) ── */

.tag-list {
  display: flex;
  flex-wrap: wrap;
  gap: 5px;
  margin-top: 6px;
}

.tag {
  font-size: 11px;
  padding: 2px 8px;
  border-radius: 2px;
  background: var(--bg);
  border: 1px solid var(--border);
  color: var(--text-dim);
  display: flex;
  align-items: center;
  gap: 5px;
}

.tag .remove {
  cursor: pointer;
  color: var(--error-color);
  line-height: 1;
  font-size: 13px;
}

.tag-input-row {
  display: flex;
  gap: 6px;
  margin-bottom: 4px;
}

.tag-input-row input { flex: 1; }

/* ── Buttons ── */

button {
  font-family: var(--font);
  font-size: 12px;
  font-weight: 600;
  letter-spacing: 0.03em;
  border-radius: 3px;
  cursor: pointer;
  padding: 7px 14px;
  border: 1px solid transparent;
  transition: opacity 0.1s;
}

button:hover { opacity: 0.8; }
button:active { opacity: 0.65; }
button:disabled { opacity: 0.4; cursor: not-allowed; }

.btn-primary {
  background: var(--local-color);
  color: #fff;
  border-color: var(--local-color);
}

.btn-remote {
  background: var(--remote-color);
  color: #fff;
  border-color: var(--remote-color);
}

.btn-outline {
  background: transparent;
  color: var(--text-dim);
  border-color: var(--border);
}

.btn-small {
  font-size: 11px;
  padding: 4px 9px;
}

.btn-danger {
  background: transparent;
  color: var(--error-color);
  border-color: rgba(185,28,28,0.3);
  font-size: 11px;
  padding: 3px 7px;
}

/* ── Steps ── */

.step-block {
  border: 1px solid var(--border);
  border-left: 3px solid var(--border);
  border-radius: 3px;
  padding: 10px 12px;
  margin-bottom: 8px;
  background: var(--surface);
}

.step-block:hover { border-left-color: var(--local-color); }

.step-num {
  font-size: 10px;
  color: var(--text-faint);
  letter-spacing: 0.06em;
  text-transform: uppercase;
  margin-bottom: 6px;
}

.step-row {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 8px;
  margin-bottom: 6px;
}

.step-actions {
  display: flex;
  justify-content: flex-end;
  gap: 6px;
  margin-top: 6px;
}

/* Delta mini-inputs */

.delta-section {
  margin-top: 8px;
  padding-top: 8px;
  border-top: 1px dashed var(--border-light);
}

.delta-label {
  font-size: 10px;
  color: var(--text-faint);
  text-transform: uppercase;
  letter-spacing: 0.06em;
  margin-bottom: 4px;
}

.delta-row {
  display: grid;
  grid-template-columns: 1fr 1fr 1fr;
  gap: 6px;
}

/* ── Warning items ── */

.warnings-list { display: grid; gap: 6px; }

.warning-item {
  display: grid;
  grid-template-columns: auto 1fr;
  gap: 10px;
  padding: 9px 12px;
  border: 1px solid var(--border);
  border-radius: 3px;
  background: var(--surface);
}

.warning-item.error { border-left: 3px solid var(--error-color); }
.warning-item.warning { border-left: 3px solid var(--warn-color); }
.warning-item.info { border-left: 3px solid var(--info-color); }

.w-badge {
  font-size: 9px;
  font-weight: 700;
  letter-spacing: 0.06em;
  text-transform: uppercase;
  padding: 2px 6px;
  border-radius: 2px;
  white-space: nowrap;
  height: fit-content;
  margin-top: 1px;
}

.w-badge.error { background: rgba(185,28,28,0.1); color: var(--error-color); }
.w-badge.warning { background: rgba(180,83,9,0.1); color: var(--warn-color); }
.w-badge.info { background: rgba(3,105,161,0.1); color: var(--info-color); }

.w-code {
  font-size: 10px;
  font-weight: 700;
  color: var(--text-dim);
  margin-bottom: 2px;
  letter-spacing: 0.04em;
}

.w-msg { font-size: 12px; color: var(--text); }

.w-detail {
  font-size: 11px;
  color: var(--text-faint);
  margin-top: 2px;
  font-style: italic;
}

/* ── Remote evaluation panel ── */

.remote-panel {
  border: 1px solid rgba(107,33,168,0.25);
  border-radius: 4px;
  padding: 14px 16px;
  background: rgba(107,33,168,0.03);
}

.remote-unavail {
  color: var(--text-dim);
  font-size: 12px;
  font-style: italic;
}

.remote-mock-badge {
  display: inline-block;
  font-size: 9px;
  font-weight: 700;
  letter-spacing: 0.06em;
  padding: 2px 7px;
  background: rgba(180,83,9,0.1);
  color: var(--warn-color);
  border: 1px solid rgba(180,83,9,0.25);
  border-radius: 2px;
  text-transform: uppercase;
  margin-bottom: 10px;
}

.validity-line {
  font-size: 13px;
  font-weight: 700;
  margin-bottom: 6px;
  letter-spacing: 0.02em;
}

.validity-line.valid { color: var(--ok-color); }
.validity-line.partial { color: var(--warn-color); }
.validity-line.invalid { color: var(--error-color); }
.validity-line.unknown { color: var(--text-dim); }

.recommendation-line {
  font-size: 12px;
  color: var(--text-dim);
  margin-bottom: 8px;
}

.risk-flags {
  display: flex;
  flex-wrap: wrap;
  gap: 5px;
  margin-bottom: 8px;
}

.risk-flag {
  font-size: 10px;
  padding: 2px 8px;
  border-radius: 2px;
  background: rgba(107,33,168,0.08);
  color: var(--remote-color);
  border: 1px solid rgba(107,33,168,0.2);
}

.summary-text {
  font-size: 12px;
  color: var(--text);
  border-top: 1px solid var(--border-light);
  padding-top: 8px;
  margin-top: 6px;
}

.eval-meta {
  font-size: 10px;
  color: var(--text-faint);
  margin-top: 8px;
}

/* ── JSON view ── */

.json-view {
  background: #1e1e2e;
  color: #cdd6f4;
  border-radius: 4px;
  padding: 14px;
  font-size: 11px;
  line-height: 1.6;
  overflow-x: auto;
  white-space: pre;
  max-height: 400px;
  overflow-y: auto;
}

.toggle-row {
  display: flex;
  align-items: center;
  gap: 8px;
  margin-bottom: 8px;
}

/* ── Trace display ── */

.trace-display { display: grid; gap: 4px; }

.trace-entry {
  display: grid;
  grid-template-columns: auto 1fr;
  gap: 10px;
  align-items: start;
  font-size: 12px;
}

.trace-arrow {
  color: var(--text-faint);
  padding-top: 1px;
  user-select: none;
}

.trace-op {
  font-size: 10px;
  font-weight: 700;
  color: var(--text-dim);
  text-transform: uppercase;
  letter-spacing: 0.04em;
}

.trace-expr {
  color: var(--text);
  font-size: 13px;
}

.trace-notes {
  font-size: 11px;
  color: var(--text-faint);
  font-style: italic;
}

/* ── Constraint display ── */

.constraint-chips {
  display: flex;
  flex-wrap: wrap;
  gap: 5px;
  margin-top: 4px;
}

.chip {
  font-size: 11px;
  padding: 2px 8px;
  border-radius: 2px;
  border: 1px solid var(--border);
  background: var(--surface);
  color: var(--text-dim);
}

.chip.exclusion { border-color: rgba(185,28,28,0.3); color: var(--error-color); background: rgba(185,28,28,0.04); }
.chip.assumption { border-color: rgba(3,105,161,0.3); color: var(--info-color); background: rgba(3,105,161,0.04); }
.chip.domain { border-color: var(--border); }
.chip.regime { border-color: var(--border); font-style: italic; }

/* ── Status bar ── */

.statusbar {
  position: fixed;
  bottom: 0; left: 0; right: 0;
  background: var(--surface);
  border-top: 1px solid var(--border);
  padding: 5px 20px;
  font-size: 10px;
  color: var(--text-faint);
  letter-spacing: 0.04em;
  display: flex;
  gap: 16px;
  align-items: center;
  z-index: 100;
}

.sb-dot {
  display: inline-block;
  width: 6px; height: 6px;
  border-radius: 50%;
  margin-right: 4px;
}

.sb-dot.ok { background: var(--ok-color); }
.sb-dot.warn { background: var(--warn-color); }
.sb-dot.err { background: var(--error-color); }
.sb-dot.idle { background: var(--border); }

/* ── Misc ── */

.hidden { display: none !important; }

.empty-note {
  font-size: 11px;
  color: var(--text-faint);
  font-style: italic;
  padding: 4px 0;
}

.action-row {
  display: flex;
  gap: 8px;
  align-items: center;
  flex-wrap: wrap;
  margin-top: 12px;
}

.spinner {
  display: inline-block;
  width: 12px; height: 12px;
  border: 2px solid var(--border);
  border-top-color: var(--remote-color);
  border-radius: 50%;
  animation: spin 0.6s linear infinite;
  vertical-align: middle;
}

@keyframes spin { to { transform: rotate(360deg); } }

hr.rule {
  border: none;
  border-top: 1px solid var(--border-light);
  margin: 8px 0;
}