/* Suggestion Overlay — 입력 인텔리전스 ghost text
 *
 * 팝업 스타일은 injectPopupTheme() 의 CSS 변수(--d3-*)로 테마를 따라간다.
 * 토큰이 주입되지 않는 상황(개발 초기 로드)을 위해 :root 폴백을 둔다.
 *
 * 구조: [후보 3개 — 고정 높이] / 가는 선 / [진행률 · 출처] / [키 안내]
 * 창 높이(WindowManager SUGGESTION_OVERLAY_HEIGHT)는 이 고정 치수에서 나온다.
 */

:root {
  --d3-bg-result: #111a30;
  --d3-border-result: rgba(148, 180, 255, 0.12);
  --d3-text-result: #eef2fb;
  --d3-text-secondary: #93a4c8;
  --d3-accent-main: #3b82f6;
  --d3-accent-dim: rgba(59, 130, 246, 0.14);
  --d3-shadow-popup: 0 8px 32px rgba(3, 7, 18, 0.5);
}

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

[hidden] {
  display: none !important;
}

html,
body {
  background: transparent;
  overflow: hidden;
  user-select: none;
  -webkit-app-region: no-drag;
  font-family: 'Pretendard Variable', 'Pretendard', -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;
  -webkit-font-smoothing: antialiased;
}

#root {
  width: 100%;
  height: 100%;
  padding: 4px;
}

.suggestion-panel {
  position: relative;
  display: flex;
  flex-direction: column;
  padding: 6px;
  border-radius: 10px;
  background: var(--d3-bg-result);
  border: 1px solid var(--d3-border-result);
  box-shadow: var(--d3-shadow-popup);
  opacity: 0;
  transform: translateY(-2px);
  transition: opacity 90ms ease-out, transform 90ms ease-out;
}

.suggestion-panel.visible {
  opacity: 1;
  transform: translateY(0);
}

/* ── 닫기 — 구석에 떠 있는 작은 버튼 (빈 헤더 줄을 두지 않는다) ── */
.close {
  position: absolute;
  top: 6px;
  right: 6px;
  z-index: 1;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 20px;
  height: 20px;
  border: 0;
  border-radius: 5px;
  background: transparent;
  color: var(--d3-text-secondary);
  cursor: pointer;
  opacity: 0.7;
  transition: background 90ms ease-out, color 90ms ease-out, opacity 90ms ease-out;
}

.close:hover {
  background: var(--d3-accent-dim);
  color: var(--d3-text-result);
  opacity: 1;
}

/* ── 상태 (후보가 아직 없을 때만: 준비 중 / 생성 중) ── */
.status {
  display: flex;
  align-items: center;
  gap: 8px;
  min-height: 32px;
  padding: 0 28px 0 8px;
}

.spinner {
  width: 11px;
  height: 11px;
  flex: 0 0 auto;
  border-radius: 50%;
  border: 2px solid var(--d3-accent-dim);
  border-top-color: var(--d3-accent-main);
  animation: d3-spin 720ms linear infinite;
}

@keyframes d3-spin {
  to {
    transform: rotate(360deg);
  }
}

.status-text {
  color: var(--d3-text-secondary);
  font-size: 12px;
}

/* ── 후보 (한 페이지 = 3개, 각 최대 2줄, 고정 높이라 채워져도 창이 흔들리지 않는다) ── */
.candidates {
  display: flex;
  flex-direction: column;
  gap: 2px;
}

.candidates:empty {
  display: none;
}

.suggestion-item {
  display: flex;
  align-items: center;
  gap: 8px;
  width: 100%;
  height: 44px;
  padding: 0 28px 0 8px;
  border: 0;
  border-radius: 7px;
  background: transparent;
  color: var(--d3-text-result);
  font: inherit;
  text-align: left;
  cursor: pointer;
  transition: background 90ms ease-out;
}

.suggestion-item:hover {
  background: var(--d3-accent-dim);
}

.suggestion-item.active {
  background: var(--d3-accent-dim);
  box-shadow: inset 2px 0 0 var(--d3-accent-main);
}

.suggestion-num {
  flex: 0 0 16px;
  color: var(--d3-text-secondary);
  font-size: 11px;
  font-variant-numeric: tabular-nums;
  text-align: right;
}

.suggestion-item.active .suggestion-num {
  color: var(--d3-accent-main);
  font-weight: 600;
}

.suggestion-text {
  display: -webkit-box;
  flex: 1 1 auto;
  min-width: 0;
  overflow: hidden;
  font-size: 13px;
  font-weight: 400;
  line-height: 1.4;
  word-break: keep-all;
  overflow-wrap: anywhere;
  -webkit-line-clamp: 2;
  -webkit-box-orient: vertical;
}

.suggestion-item.active .suggestion-text {
  font-weight: 500;
}

/* 첫 후보가 스트리밍으로 도착하는 중 — 도착한 만큼 보여주고 커서를 붙인다 */
.suggestion-item.streaming {
  cursor: default;
  opacity: 0.85;
}

.suggestion-item.streaming .suggestion-text::after {
  content: '\258C';
  animation: d3-caret-blink 1s steps(1) infinite;
  color: var(--d3-accent-main);
}

@keyframes d3-caret-blink {
  50% {
    opacity: 0;
  }
}

/* ── 아래쪽: 진행률·출처 한 줄 + 키 안내 한 줄 ── */
.footer {
  display: flex;
  flex-direction: column;
  gap: 5px;
  margin-top: 6px;
  padding: 6px 8px 2px;
  border-top: 1px solid var(--d3-border-result);
  color: var(--d3-text-secondary);
  font-size: 10.5px;
  line-height: 14px;
}

.footer-row {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 12px;
  white-space: nowrap;
}

.progress {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  font-variant-numeric: tabular-nums;
}

.progress-more {
  display: inline-flex;
  align-items: center;
  gap: 5px;
}

.progress-more .spinner {
  width: 8px;
  height: 8px;
  border-width: 1.5px;
}

.provenance {
  overflow: hidden;
  text-overflow: ellipsis;
  opacity: 0.8;
}

.key-hints {
  display: flex;
  align-items: center;
  gap: 10px;
  white-space: nowrap;
  overflow: hidden;
}

.key-hint {
  display: inline-flex;
  align-items: center;
  gap: 4px;
}

.key-hint.shared {
  gap: 3px;
}

.key-hint.close-hint {
  margin-left: auto;
}

kbd {
  display: inline-flex;
  align-items: center;
  height: 16px;
  padding: 0 4px;
  border: 1px solid var(--d3-border-result);
  border-bottom-width: 2px;
  border-radius: 4px;
  color: var(--d3-text-result);
  font-family: inherit;
  font-size: 10px;
  line-height: 1;
}