/* === MaD Physics — example trajectory viewer === */

.mono { font-family: var(--font-mono); }
.muted { color: var(--muted); }

/* --- hero --- */
.traj-hero {
  padding: 40px 0 36px;
  border-bottom: 1px solid var(--border);
  background: var(--bg);
}
.back-link {
  display: inline-block;
  font-size: 0.88rem;
  color: var(--muted);
  margin-bottom: 18px;
}
.back-link:hover { color: var(--accent); }
.traj-hero h1 {
  font-family: var(--font-display);
  font-size: clamp(1.6rem, 3vw, 2.1rem);
  font-weight: 500;
  letter-spacing: -0.015em;
  margin: 4px 0 14px;
  line-height: 1.2;
}
.traj-lead {
  max-width: 820px;
  color: var(--text-soft);
  font-size: 1.0rem;
  margin: 0 0 24px;
}

.traj-stats {
  display: flex;
  flex-wrap: wrap;
  gap: 14px;
}
.stat {
  display: flex;
  flex-direction: column;
  padding: 10px 16px;
  border: 1px solid var(--border);
  border-radius: 8px;
  background: var(--bg-soft);
  min-width: 104px;
}
.stat-num {
  font-family: var(--font-display);
  font-size: 1.3rem;
  font-weight: 700;
  color: var(--text);
  line-height: 1.1;
}
.stat-label {
  font-size: 0.74rem;
  text-transform: uppercase;
  letter-spacing: 0.06em;
  color: var(--muted);
  margin-top: 3px;
}

/* --- overview: plot + budget --- */
.traj-overview { padding: 40px 0; border-bottom: 1px solid var(--border-soft); }
.overview-grid {
  display: grid;
  grid-template-columns: 360px 1fr;
  gap: 40px;
  align-items: start;
}
.system-plot { margin: 0; }
.system-plot svg {
  width: 100%;
  height: auto;
  display: block;
  background: var(--bg-soft);
  border: 1px solid var(--border);
  border-radius: 10px;
}
.plot-legend {
  display: flex;
  gap: 16px;
  margin: 10px 2px 0;
  font-size: 0.8rem;
  color: var(--text-soft);
  font-family: var(--font-mono);
}
.lg-item { display: inline-flex; align-items: center; gap: 6px; }
.lg-dot { width: 10px; height: 10px; border-radius: 50%; display: inline-block; }
.system-plot figcaption {
  font-size: 0.82rem;
  color: var(--muted);
  line-height: 1.5;
  margin-top: 12px;
}
.system-plot figcaption strong { color: var(--text-soft); }

.budget-panel h2 {
  font-family: var(--font-display);
  font-size: 1.2rem;
  font-weight: 500;
  margin: 0 0 6px;
}
.budget-panel .muted { font-size: 0.9rem; margin: 0 0 18px; }
.budget-track { display: flex; flex-direction: column; gap: 7px; }
.budget-row {
  display: grid;
  grid-template-columns: 96px 1fr 92px;
  align-items: center;
  gap: 12px;
  font-size: 0.8rem;
}
.budget-meta { display: flex; flex-direction: column; line-height: 1.2; }
.b-step { font-weight: 600; color: var(--text-soft); }
.b-time { font-family: var(--font-mono); font-size: 0.72rem; color: var(--muted); }
.budget-bar {
  height: 8px;
  background: var(--border-soft);
  border-radius: 999px;
  overflow: hidden;
}
.budget-fill {
  height: 100%;
  background: linear-gradient(90deg, var(--accent), #60a5fa);
  border-radius: 999px;
}
.b-val {
  font-family: var(--font-mono);
  font-size: 0.78rem;
  color: var(--text-soft);
  text-align: right;
}

/* --- transcript --- */
.transcript { padding: 44px 0 64px; }
.transcript-toolbar {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
  flex-wrap: wrap;
  margin-bottom: 22px;
}
.transcript-toolbar h2 {
  font-family: var(--font-display);
  font-size: 1.5rem;
  font-weight: 500;
  margin: 0;
}
.toolbar-actions { display: flex; gap: 8px; }
.pill-btn {
  font-family: var(--font-sans);
  font-size: 0.82rem;
  padding: 6px 14px;
  border-radius: 999px;
  border: 1px solid var(--border);
  background: var(--bg);
  color: var(--text-soft);
  cursor: pointer;
  transition: all 0.15s;
}
.pill-btn:hover { border-color: var(--accent); color: var(--accent); }
.pill-btn[aria-pressed="false"] { background: var(--bg-soft); color: var(--muted); }

.thread {
  display: flex;
  flex-direction: column;
  gap: 16px;
  position: relative;
}

/* messages */
.msg {
  border: 1px solid var(--border);
  border-radius: 12px;
  padding: 16px 18px;
  background: var(--bg);
}
.msg-role {
  font-size: 0.86rem;
  color: var(--muted);
  margin-bottom: 10px;
  display: flex;
  align-items: center;
  gap: 8px;
}
.role-badge {
  font-size: 0.68rem;
  font-weight: 700;
  letter-spacing: 0.06em;
  text-transform: uppercase;
  padding: 3px 9px;
  border-radius: 999px;
}
.role-badge.agent { background: var(--accent-soft); color: var(--accent); }
.role-badge.env { background: #f1f5f9; color: #475569; }
.role-badge.err { background: #fef2f2; color: #b91c1c; }

/* env */
.msg-env { background: var(--bg-soft); }
.msg-env.msg-task { background: var(--bg); }
.msg-error { border-color: #fecaca; background: #fff7f7; }
.env-error { color: #b91c1c; font-size: 0.9rem; }

.obs { }
.obs-head { display: flex; gap: 10px; margin-bottom: 8px; flex-wrap: wrap; }
.obs-time, .obs-budget {
  font-family: var(--font-mono);
  font-size: 0.76rem;
  padding: 2px 9px;
  border-radius: 6px;
  background: var(--bg);
  border: 1px solid var(--border);
  color: var(--text-soft);
}
.obs-budget { color: var(--accent); border-color: var(--accent-line); background: var(--accent-soft); }
.obs-table {
  border-collapse: collapse;
  font-size: 0.82rem;
}
.obs-table td { padding: 3px 14px 3px 0; }
.obs-body { color: var(--text-soft); white-space: nowrap; }
.obs-pos { font-family: var(--font-mono); color: var(--text); }
.body-dot {
  display: inline-block;
  width: 9px; height: 9px;
  border-radius: 50%;
  margin-right: 7px;
  vertical-align: baseline;
}

/* task spec */
.task-spec summary {
  cursor: pointer;
  font-size: 0.9rem;
  font-weight: 500;
  color: var(--accent);
  padding: 4px 0;
}
.task-spec summary:hover { color: var(--link-hover); }
.task-body {
  margin-top: 12px;
  padding-top: 12px;
  border-top: 1px solid var(--border-soft);
  font-size: 0.9rem;
  color: var(--text-soft);
}
.task-body code { font-size: 0.82em; }

/* agent reasoning */
.agent-reason { font-size: 0.95rem; color: var(--text-soft); }
.agent-reason > :first-child { margin-top: 0; }
.agent-reason > :last-child { margin-bottom: 0; }
.agent-reason h1, .agent-reason h2, .agent-reason h3 {
  font-family: var(--font-display);
  font-weight: 600;
  color: var(--text);
  margin: 18px 0 8px;
  line-height: 1.25;
}
.agent-reason h1 { font-size: 1.1rem; }
.agent-reason h2 { font-size: 1.02rem; }
.agent-reason h3 { font-size: 0.96rem; }
.agent-reason p { margin: 0 0 10px; color: var(--text-soft); }
.agent-reason ul, .agent-reason ol { margin: 0 0 10px; padding-left: 22px; }
.agent-reason li { margin: 2px 0; }
.agent-reason strong { color: var(--text); font-weight: 600; }
.agent-reason table {
  border-collapse: collapse;
  font-size: 0.84rem;
  margin: 6px 0 12px;
  font-variant-numeric: tabular-nums;
}
.agent-reason th, .agent-reason td {
  border: 1px solid var(--border);
  padding: 4px 10px;
  text-align: center;
}
.agent-reason thead th { background: var(--bg-soft); font-weight: 600; }
.agent-reason pre {
  background: var(--code-bg);
  color: var(--code-fg);
  border-radius: 8px;
  padding: 12px 14px;
  overflow-x: auto;
  font-size: 0.8rem;
  line-height: 1.5;
  margin: 8px 0 12px;
}
.agent-reason :not(pre) > code {
  background: var(--bg-soft);
  border: 1px solid var(--border-soft);
  border-radius: 4px;
  padding: 1px 5px;
  font-size: 0.84em;
  font-family: var(--font-mono);
}
.katex { font-size: 1.02em; }
.katex-display { margin: 10px 0; overflow-x: auto; overflow-y: hidden; padding: 2px 0; }

/* agent code block */
.code-block { margin-top: 14px; }
body.hide-code .code-block { display: none; }
.code-det {
  border: 1px solid var(--border);
  border-radius: 8px;
  overflow: hidden;
}
.code-det summary {
  cursor: pointer;
  list-style: none;
  display: flex;
  align-items: center;
  gap: 10px;
  padding: 8px 12px;
  background: var(--bg-soft);
  font-size: 0.84rem;
}
.code-det summary::-webkit-details-marker { display: none; }
.code-det summary::before {
  content: "▸";
  color: var(--muted);
  font-size: 0.7rem;
}
.code-det[open] summary::before { content: "▾"; }
.code-label {
  font-weight: 600;
  color: var(--text);
}
.code-hint { color: var(--muted); font-size: 0.78rem; }
.code-pre {
  margin: 0;
  padding: 14px 16px;
  overflow-x: auto;
  background: var(--code-bg);
  font-size: 0.79rem;
  line-height: 1.5;
}
.code-pre code { font-family: var(--font-mono); background: none; }
.out-label {
  font-size: 0.72rem;
  text-transform: uppercase;
  letter-spacing: 0.06em;
  color: var(--muted);
  padding: 8px 16px 0;
  background: #0f1530;
}
.out-pre {
  margin: 0;
  padding: 8px 16px 16px;
  overflow-x: auto;
  background: #0f1530;
  color: #cbd5e1;
  font-family: var(--font-mono);
  font-size: 0.78rem;
  line-height: 1.5;
  white-space: pre;
}

/* hljs theme uses light github; keep our dark bg by overriding base */
.code-pre code.hljs, .agent-reason pre code.hljs {
  background: transparent;
  color: #e5e7eb;
  padding: 0;
}

@media (max-width: 860px) {
  .overview-grid { grid-template-columns: 1fr; gap: 28px; }
  .system-plot { max-width: 420px; }
}
@media (max-width: 720px) {
  .budget-row { grid-template-columns: 78px 1fr 78px; gap: 8px; }
}