/* Lab 1 — Email Summarization. Extends the shared course tokens. */

.ex-title { font-size: 20px; font-weight: 800; margin-bottom: 16px; }

textarea#emailText, textarea#d_justify {
  font-family: ui-monospace, SFMono-Regular, Menlo, monospace;
  font-size: 12px; line-height: 1.55; resize: vertical;
}
textarea#d_justify { font-family: inherit; font-size: 13.5px; }

.hint { font-size: 11.5px; color: var(--text-muted); }
.hint-row { display: flex; align-items: center; gap: 12px; margin-top: 8px; flex-wrap: wrap; }
.btn--sm { padding: 6px 12px; font-size: 12px; display: inline-block; }

input[type="range"] { width: 100%; accent-color: var(--blue-deep); }
input[type="number"] {
  font-family: inherit; font-size: 13.5px; padding: 9px 10px;
  border: 1px solid var(--border); border-radius: 8px; width: 100%; color: var(--text);
}

/* Model picker */
.model-picker { display: grid; gap: 8px; }
.model-opt {
  display: flex; align-items: center; justify-content: space-between; gap: 12px;
  padding: 12px 14px; border: 2px solid var(--border); border-radius: 10px;
  background: var(--card); cursor: pointer; font-family: inherit; text-align: left; width: 100%;
}
.model-opt:hover { border-color: var(--text-disabled); }
.model-opt[aria-checked="true"] { border-color: var(--blue-deep); background: var(--info-bg); }
.model-opt .m-name { font-weight: 800; font-size: 14px; }
.model-opt .m-price { font-size: 11.5px; color: var(--text-body); }
.model-opt .m-cost { font-weight: 800; font-size: 15px; color: var(--blue-deep); white-space: nowrap; }

/* Input/output split bar */
.split-bar {
  display: flex; height: 12px; border-radius: 20px; overflow: hidden;
  margin-top: 14px; background: var(--border);
}
.split-bar > span { display: block; height: 100%; }
.split-bar .seg-in { background: var(--blue-deep); }
.split-bar .seg-out { background: var(--violet); }
.split-legend { display: flex; gap: 16px; margin-top: 8px; font-size: 11.5px; color: var(--text-body); }
.sw { display: inline-block; width: 10px; height: 10px; border-radius: 3px; margin-right: 5px; vertical-align: -1px; }
.sw--in { background: var(--blue-deep); }
.sw--out { background: var(--violet); }

/* Exercise 2 routing */
.chip-tray {
  display: flex; gap: 10px; flex-wrap: wrap; padding: 14px;
  background: var(--card); border: 1px dashed var(--border-strong);
  border-radius: 12px; margin-bottom: 18px;
}
.chip {
  padding: 8px 14px; border-radius: 20px; font-size: 13px; font-weight: 700;
  border: 2px solid transparent; cursor: grab; user-select: none; color: #fff;
}
.chip:active { cursor: grabbing; }
.chip[data-model="haiku"]  { background: var(--text-muted); }
.chip[data-model="sonnet"] { background: var(--blue-deep); }
.chip[data-model="opus"]   { background: var(--violet); }
.chip[aria-selected="true"] { outline: 3px solid rgba(29,78,216,.35); outline-offset: 2px; }

.route-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 14px; }
.route-target {
  background: var(--card); border: 2px dashed var(--border-strong); border-radius: 14px;
  padding: 18px 16px; min-height: 150px; display: flex; flex-direction: column; gap: 8px;
}
.route-target.over { border-color: var(--blue-deep); background: var(--info-bg); }
.route-target.filled { border-style: solid; }
.route-target .rt-emoji { font-size: 22px; }
.route-target .rt-name { font-weight: 800; font-size: 14px; }
.route-target .rt-desc { font-size: 12px; color: var(--text-body); line-height: 1.5; flex: 1; }
.route-slot {
  margin-top: auto; padding: 10px; border-radius: 8px; text-align: center;
  font-size: 12.5px; font-weight: 700; background: var(--bg); color: var(--text-muted);
}
.route-slot.has { color: #fff; }
.route-slot.has[data-model="haiku"]  { background: var(--text-muted); }
.route-slot.has[data-model="sonnet"] { background: var(--blue-deep); }
.route-slot.has[data-model="opus"]   { background: var(--violet); }

/* Charts */
.chart svg { width: 100%; height: auto; display: block; }
.bar-row { display: flex; align-items: center; gap: 10px; margin-bottom: 10px; font-size: 12.5px; }
.bar-row .bl { width: 74px; font-weight: 700; }
.bar-track { flex: 1; background: var(--border); border-radius: 20px; height: 22px; overflow: hidden; display: flex; }
.bar-track > span { height: 100%; }
.bar-tok { background: var(--blue-deep); }
.bar-err { background: var(--warning); }
.bar-row .bv { width: 88px; text-align: right; font-weight: 800; font-variant-numeric: tabular-nums; }
.bar-row.win .bv { color: var(--success); }

.mix-row { display: grid; grid-template-columns: 78px 1fr 52px; gap: 10px; align-items: center; margin-bottom: 12px; }
.mix-row label { margin: 0; text-transform: none; letter-spacing: 0; font-size: 13px; font-weight: 700; }

@media (max-width: 900px) {
  .route-grid { grid-template-columns: 1fr; }
}