/* AI generate modal */
.ai-modal-form { display: flex; flex-direction: column; gap: 16px; }

.ai-type-row { display: flex; gap: 8px; flex-wrap: wrap; }
.ai-type-btn {
  background: var(--paper); border: 1.5px solid var(--rule-2);
  border-radius: 8px; padding: 8px 16px;
  font-size: 13px; font-family: var(--sans); font-weight: 500; color: var(--ink-2);
  cursor: pointer; transition: all 0.12s ease;
}
.ai-type-btn:hover { border-color: var(--ink-3); color: var(--ink); }
.ai-type-btn.active { background: var(--ink); color: var(--paper); border-color: var(--ink); }

.ai-count-row { display: flex; gap: 6px; align-items: center; flex-wrap: wrap; }
.ai-count-btn {
  background: var(--paper); border: 1px solid var(--rule-2);
  border-radius: 6px; padding: 5px 11px;
  font-size: 13px; font-family: var(--mono); color: var(--ink-2);
  cursor: pointer; transition: all 0.1s ease;
}
.ai-count-btn:hover { border-color: var(--ink-3); color: var(--ink); }
.ai-count-btn.active { background: var(--ink); color: var(--paper); border-color: var(--ink); }
.ai-count-input {
  width: 54px; height: 31px; text-align: center;
  font-family: var(--mono); font-size: 13px;
  padding: 0 6px; border: 1px solid var(--rule-2);
  border-radius: 6px; background: var(--card); color: var(--ink);
  outline: none; -moz-appearance: textfield;
}
.ai-count-input:focus { border-color: var(--accent); background: #fff; }
.ai-count-input::-webkit-inner-spin-button,
.ai-count-input::-webkit-outer-spin-button { opacity: 1; }
.ai-count-input:disabled { opacity: 0.4; cursor: not-allowed; background: var(--paper-2); }
.ai-count-auto { font-family: var(--sans) !important; font-size: 12.5px !important; color: var(--ink-3) !important; }
.ai-count-auto.active { background: oklch(0.25 0.08 270) !important; border-color: oklch(0.25 0.08 270) !important; color: #fff !important; }
.ai-count-sep { width: 1px; height: 20px; background: var(--rule-2); margin: 0 2px; flex-shrink: 0; }

.ai-status-note {
  font-size: 12.5px; color: var(--ink-3); font-family: var(--mono);
  background: var(--paper-2); border-radius: 6px; padding: 8px 12px;
  line-height: 1.5;
}

.ai-setup-card {
  background: var(--paper-2); border: 1px solid var(--rule);
  border-radius: 10px; padding: 16px;
  display: flex; align-items: center; gap: 16px; flex-wrap: wrap;
}
.ai-setup-card-body {
  flex: 1; min-width: 180px;
  display: flex; flex-direction: column; gap: 4px;
  font-size: 13.5px; line-height: 1.5;
}
.ai-setup-card-body strong { font-weight: 600; color: var(--ink); }
.ai-setup-card-body span { color: var(--ink-2); font-size: 13px; }

/* results phase */
.ai-results-list { display: flex; flex-direction: column; gap: 8px; }

.ai-result-item {
  background: var(--card); border: 1.5px solid var(--rule);
  border-radius: 8px; padding: 12px 14px;
  cursor: pointer; transition: border-color 0.12s ease, background 0.12s ease;
  display: flex; gap: 12px; align-items: flex-start;
}
.ai-result-item:hover { border-color: var(--rule-2); background: #fff; }
.ai-result-item.selected { border-color: var(--accent); background: oklch(0.98 0.02 65); }

.ai-result-check {
  width: 18px; height: 18px; border-radius: 4px; flex-shrink: 0; margin-top: 1px;
  border: 1.5px solid var(--rule-2); background: var(--paper);
  display: grid; place-items: center; font-size: 11px; color: var(--accent);
  transition: all 0.1s ease;
}
.ai-result-item.selected .ai-result-check {
  background: var(--accent); border-color: var(--accent); color: #fff;
}

.ai-result-body { flex: 1; min-width: 0; }
.ai-result-front { font-size: 14px; font-weight: 500; color: var(--ink); margin-bottom: 4px; line-height: 1.4; }
.ai-result-back { font-size: 13px; color: var(--ink-2); line-height: 1.5; }
.ai-result-q { font-size: 14px; font-weight: 500; color: var(--ink); margin-bottom: 6px; line-height: 1.4; }
.ai-result-choices { display: flex; flex-direction: column; gap: 3px; }
.ai-result-choice { font-size: 13px; color: var(--ink-2); display: flex; gap: 6px; }
.ai-result-choice.correct { color: oklch(0.42 0.12 145); font-weight: 500; }
.ai-result-meta { display: flex; gap: 8px; margin-top: 6px; }
.ai-result-diff {
  font-size: 11px; font-family: var(--mono); text-transform: uppercase; letter-spacing: 0.06em;
  padding: 2px 7px; border-radius: 4px; background: var(--paper-2); color: var(--ink-3);
}
.ai-result-diff.diff-easy   { background: oklch(0.93 0.06 145); color: oklch(0.42 0.12 145); }
.ai-result-diff.diff-medium { background: oklch(0.95 0.06 75);  color: oklch(0.50 0.14 75); }
.ai-result-diff.diff-hard   { background: oklch(0.95 0.06 25);  color: oklch(0.45 0.13 25); }
.ai-result-expl { font-size: 12.5px; color: var(--ink-3); margin-top: 4px; font-style: italic; line-height: 1.45; }

.ai-result-section-title { font-size: 14px; font-weight: 600; color: var(--ink); font-family: var(--serif); margin-bottom: 4px; }
.ai-result-section-sub { font-size: 13px; color: var(--ink-2); }

.ai-sel-row {
  display: flex; align-items: center; justify-content: space-between;
  padding-bottom: 10px; border-bottom: 1px solid var(--rule);
  flex-wrap: wrap; gap: 8px;
}
.ai-sel-row-left { display: flex; gap: 8px; }

.ai-generating {
  display: flex; flex-direction: column; align-items: center; justify-content: center;
  gap: 14px; padding: 40px 20px;
  color: var(--ink-3); font-family: var(--serif); font-style: italic; font-size: 16px;
}
.ai-spinner {
  width: 28px; height: 28px; border: 2.5px solid var(--rule-2);
  border-top-color: var(--accent); border-radius: 50%;
  animation: ai-spin 0.7s linear infinite;
}
@keyframes ai-spin { to { transform: rotate(360deg); } }

.ai-btn {
  display: inline-flex; align-items: center; gap: 6px;
  background: transparent; border: 1.5px solid var(--rule-2);
  border-radius: var(--radius); padding: 5px 11px;
  font-size: 13px; font-family: var(--sans); font-weight: 500; color: var(--ink-2);
  cursor: pointer; transition: all 0.12s ease;
}
.ai-btn:hover:not(:disabled) { border-color: var(--accent); color: var(--accent); background: oklch(0.98 0.02 65); }
.ai-btn:disabled { opacity: 0.5; cursor: not-allowed; }
.ai-btn .ai-star { font-size: 11px; }

.ai-toggle-label {
  display: inline-flex;
  align-items: center;
  gap: 7px;
  font-size: 13.5px;
  color: var(--ink);
  cursor: pointer;
  font-family: var(--sans);
}
/* comprehensive mode + token display */
.ai-comp-status {
  display: flex; flex-direction: column; align-items: center; gap: 10;
  font-style: normal; text-align: center;
}
.ai-comp-status-text {
  font-size: 14px; color: var(--ink-2); font-family: var(--mono);
}
.ai-token-live {
  font-size: 12px; color: var(--ink-3); font-family: var(--mono);
  background: var(--paper-2); border-radius: 5px; padding: 3px 10px;
}
.ai-token-line {
  font-size: 12px; color: var(--ink-3); font-family: var(--mono);
  background: var(--paper-2); border-radius: 5px; padding: 3px 10px;
  display: inline-block;
}
.ai-stop-btn {
  background: none; border: 1.5px solid var(--bad);
  border-radius: 6px; padding: 6px 18px;
  font-size: 13px; font-family: var(--sans); font-weight: 500; color: var(--bad);
  cursor: pointer; transition: all 0.12s ease; margin-top: 2px;
}
.ai-stop-btn:hover { background: oklch(0.97 0.03 25); }

.ai-result-group {
  font-family: var(--mono);
  font-size: 10.5px;
  text-transform: uppercase;
  letter-spacing: 0.07em;
  color: oklch(0.40 0.10 270);
  background: oklch(0.93 0.03 270);
  padding: 2px 8px;
  border-radius: 999px;
  margin-bottom: 4px;
  display: inline-block;
}