/* chinese-llm-token-cost-calculator — style.css (RT-AI-066). Tokens only. */
#ctc { display: flex; flex-direction: column; gap: 1rem; }
.ctc-intro { margin: 0 0 .25rem; }
.ctc-note {
  font-size: .82rem; line-height: 1.55; color: var(--rt-ink-soft, #2A3340);
  background: var(--rt-bg, #f7f6f3); border: 1px solid var(--rt-border, #d8dce2);
  border-radius: 8px; padding: .55rem .7rem; margin: 0;
}

/* mode toggle */
.ctc-modes { display: flex; flex-wrap: wrap; gap: .5rem; }
.ctc-mode {
  display: inline-flex; align-items: center; gap: .4rem; cursor: pointer;
  padding: .45rem .8rem; border: 1px solid var(--rt-border, #d8dce2); border-radius: 999px;
  font-size: .85rem; font-weight: 600; color: var(--rt-ink-soft, #2A3340);
  background: var(--rt-card, #fff);
}
.ctc-mode input { accent-color: var(--rt-accent, #8b5cf6); }
.ctc-mode:focus-within { outline: 2px solid var(--rt-accent, #8b5cf6); outline-offset: 2px; }

/* inputs */
.ctc-field { display: flex; flex-direction: column; gap: .35rem; }
.ctc-label { font-size: .8rem; font-weight: 600; color: var(--rt-ink-soft, #2A3340); }
.ctc-input, .ctc-textarea {
  width: 100%; padding: .5rem .65rem; font-size: 16px; line-height: 1.5;
  border: 1px solid var(--rt-border, #d8dce2); border-radius: 8px;
  background: var(--rt-card, #fff); color: var(--rt-ink, #14213d); font-family: inherit;
}
.ctc-textarea { min-height: 130px; resize: vertical; }
.ctc-input:focus-visible, .ctc-textarea:focus-visible {
  outline: 2px solid var(--rt-accent, #8b5cf6); outline-offset: 2px;
}
.ctc-grid { display: grid; grid-template-columns: 1fr 1fr; gap: .75rem; }
@media (max-width: 520px) { .ctc-grid { grid-template-columns: 1fr; } }

/* token estimate readout */
.ctc-est {
  display: flex; align-items: baseline; flex-wrap: wrap; gap: .5rem;
  padding: .55rem .7rem; border: 1px solid var(--rt-border, #d8dce2);
  border-radius: 8px; background: var(--rt-bg, #f7f6f3);
}
.ctc-est-label { font-size: .8rem; font-weight: 600; color: var(--rt-ink-soft, #2A3340); }
.ctc-est-num {
  font-size: 1.25rem; font-weight: 700; color: var(--rt-accent, #7c3aed);
  font-variant-numeric: tabular-nums;
}
.ctc-est-badge {
  font-size: .72rem; font-weight: 600; padding: .12rem .5rem; border-radius: 999px;
  background: #f5f3ff; color: #7c3aed; border: 1px solid rgba(139, 92, 246, .3);
}

/* results table */
.ctc-table-wrap { overflow-x: auto; border: 1px solid var(--rt-border, #d8dce2); border-radius: 10px; }
.ctc-table { width: 100%; border-collapse: collapse; font-size: .85rem; }
.ctc-table th, .ctc-table td {
  padding: .5rem .65rem; text-align: left; border-bottom: 1px solid var(--rt-border, #ebebeb);
  white-space: nowrap;
}
.ctc-table thead th {
  font-size: .72rem; text-transform: uppercase; letter-spacing: .03em;
  color: var(--rt-ink-soft, #6b6760); background: var(--rt-bg, #f7f6f3);
}
.ctc-table tbody tr:last-child td { border-bottom: 0; }
.ctc-num { text-align: right; font-variant-numeric: tabular-nums; }
.ctc-model { display: table-cell; }
.ctc-model-name { display: block; font-weight: 600; color: var(--rt-ink, #14213d); }
.ctc-model-prov { display: block; font-size: .72rem; color: var(--rt-ink-soft, #6b6760); }
.ctc-cost { font-weight: 600; }
.ctc-total { color: var(--rt-accent, #7c3aed); }
.ctc-cheapest { background: #f5f3ff; }
.ctc-cheapest .ctc-model-name::after {
  content: '★'; margin-left: .35rem; color: var(--rt-accent, #8b5cf6); font-size: .8em;
}
.ctc-asof { font-size: .75rem; color: var(--rt-ink-soft, #6b6760); margin: .25rem 0 0; }
.ctc-sr { position: absolute !important; width: 1px; height: 1px; overflow: hidden; clip: rect(0,0,0,0); white-space: nowrap; }