/* 업비트 일봉 분석 대시보드 - 화이트·블루 테마 */

* {
  box-sizing: border-box;
}

/* ---------- 라이트(화이트·블루) 기본 ---------- */
:root {
  --bg-page: #ffffff;
  --bg-card: #ffffff;
  --bg-input: #ffffff;
  --border: #c5d4eb;
  --text: #1a2332;
  --text-muted: #5a6b7d;
  --accent: #2563eb;
  --accent-hover: #1d4ed8;
  --accent-light: #dbeafe;
  --positive: #059669;
  --negative: #dc2626;
  --chart-line: #2563eb;
  --chart-grid: #e2e8f0;
  --chart-up: rgba(5, 150, 105, 0.75);
  --chart-down: rgba(220, 38, 38, 0.75);
  --shadow: rgba(37, 99, 235, 0.08);
}

/* ---------- 다크 모드 ---------- */
body.theme-dark {
  --bg-page: #1a1d29;
  --bg-card: #252830;
  --bg-input: #1a1d29;
  --border: #3a3f4d;
  --text: #e8eaed;
  --text-muted: #9aa0a6;
  --accent: #3b82f6;
  --accent-hover: #60a5fa;
  --accent-light: #1e3a5f;
  --positive: #34c759;
  --negative: #ff6b6b;
  --chart-line: #60a5fa;
  --chart-grid: #3a3f4d;
  --chart-up: rgba(52, 199, 89, 0.7);
  --chart-down: rgba(255, 107, 107, 0.7);
  --shadow: rgba(0, 0, 0, 0.2);
}

body {
  margin: 0;
  font-family: "Malgun Gothic", "Apple SD Gothic Neo", sans-serif;
  background: var(--bg-page);
  color: var(--text);
  min-height: 100vh;
  transition:
    background 0.2s,
    color 0.2s;
  overflow-x: hidden;
}

/* ---------- 첫 화면: 웹/모바일 모두 세로 스크롤 없이 가운데 맞춤 ---------- */
body.first-screen-active {
  height: 100vh;
  height: 100dvh;
  overflow: hidden;
  display: flex;
  flex-direction: column;
}

body.first-screen-active .center-block {
  flex: 1;
  min-height: 0;
  max-height: none;
}

.center-block {
  min-height: 100vh;
  min-height: 100dvh;
  max-height: 100vh;
  max-height: 100dvh;
  display: flex;
  flex-direction: column;
  justify-content: center;
  align-items: center;
  padding: 1.5rem 1rem;
  box-sizing: border-box;
  overflow: hidden;
}

.center-block[aria-hidden="true"] {
  display: none !important;
}

/* ---------- 결과 화면 (조회 후) ---------- */
.result-screen {
  display: none;
  padding-bottom: 2rem;
  max-width: 100%;
  overflow-x: hidden;
}

.result-screen[aria-hidden="false"] {
  display: block;
}

.result-screen-header {
  max-width: 960px;
  margin: 0 auto;
  padding: 1rem 1.25rem 0.5rem;
}

.back-btn {
  padding: 0.45rem 0.9rem;
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: 8px;
  color: var(--accent);
  font-size: 0.9rem;
  cursor: pointer;
  transition:
    background 0.2s,
    border-color 0.2s;
}

.back-btn:hover {
  background: var(--accent-light);
  border-color: var(--accent);
}

.result-controls-card {
  max-width: 960px;
  margin: 0 auto 1rem;
  padding: 1.25rem 1.25rem;
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: 12px;
  box-shadow: 0 2px 8px var(--shadow);
  box-sizing: border-box;
}

.result-controls-card .control-row {
  max-width: 100%;
  flex-wrap: nowrap;
}

.result-controls-card .control-group {
  flex: 0 0 auto;
}

.result-controls-card .control-group select,
.result-controls-card .control-group input[type="date"] {
  max-width: 180px;
}

#resultRefDate,
#resultPeriod {
  width: 10.5rem;
  min-width: 10.5rem;
  max-width: 10.5rem;
  box-sizing: border-box;
}

/* ---------- 시장분석 / 추세분석 ---------- */
.analysis {
  max-width: 960px;
  margin: 0 auto;
  padding: 1rem 1.25rem 1.5rem;
}

.analysis[aria-hidden="true"] {
  display: none;
}

.analysis h2 {
  margin: 0 0 1rem;
  font-size: 1.1rem;
  font-weight: 600;
  color: var(--text);
}

.analysis-sub {
  margin-bottom: 1.5rem;
}

.analysis-sub:last-child {
  margin-bottom: 0;
}

.analysis-sub-title {
  margin: 0 0 0.75rem;
  font-size: 0.95rem;
  font-weight: 600;
  color: var(--text-muted);
  padding-left: 0.5rem;
  border-left: 3px solid var(--accent);
}

.analysis-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(200px, 1fr));
  gap: 0.75rem;
}

.analysis-item {
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: 8px;
  padding: 0.75rem 1rem;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  gap: 0.25rem;
  text-align: center;
  min-height: 4rem;
}

.analysis-item .label {
  font-size: 0.8rem;
  color: var(--text-muted);
  word-break: keep-all;
  overflow-wrap: break-word;
  white-space: pre-line;
}

.analysis-item .value {
  font-size: 1rem;
  font-weight: 600;
  color: var(--text);
  word-break: break-all;
  overflow-wrap: break-word;
}

.analysis-item .value.positive {
  color: var(--positive);
}
.analysis-item .value.negative {
  color: var(--negative);
}

/* 골든/데드크로스, RSI 과매수/과매도 등 강조 */
.analysis-item .value.positive.badge {
  font-weight: 700;
}
.analysis-item .value.negative.badge {
  font-weight: 700;
}

.center-block .header {
  width: 100%;
  max-width: 720px;
  display: block;
  background: transparent;
  border: none;
  box-shadow: none;
  padding-bottom: 0.5rem;
  padding-left: 2.5rem;
  padding-right: 2.5rem;
  margin-bottom: 1.5rem;
  box-sizing: border-box;
}

body.theme-dark .center-block .header {
  background: transparent;
  border: none;
}

.center-block .hero {
  width: 100%;
  max-width: 720px;
  margin: 0;
  padding: 0;
}

/* ---------- 헤더: 타이틀 + 테마 버튼 ---------- */
.header {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  justify-content: space-between;
  gap: 0.75rem;
  padding: 1rem 1.25rem;
  background: var(--bg-card);
  border-bottom: 1px solid var(--border);
  box-shadow: 0 1px 3px var(--shadow);
}

.header h1 {
  margin: 0;
  font-family: "Noto Sans KR", "Malgun Gothic", sans-serif;
  font-size: clamp(1.5rem, 5vw, 2.25rem);
  font-weight: 700;
  color: var(--text);
  word-break: keep-all;
}

/* 테마 버튼: 원형, 화면 오른쪽 상단 고정 */
.theme-btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 0.35rem;
  padding: 0.4rem 0.75rem;
  background: var(--bg-input);
  border: 1px solid var(--border);
  border-radius: 8px;
  color: var(--text);
  font-size: 0.85rem;
  cursor: pointer;
  transition:
    background 0.2s,
    border-color 0.2s;
}

/* 상단 바: 문서 흐름에 있어 스크롤 시 함께 올라가 보이지 않음 */
.top-bar-fixed {
  position: relative;
  display: flex;
  align-items: center;
  justify-content: flex-end;
  gap: 0.35rem;
  padding: 0.5rem 0.5rem;
  pointer-events: none;
}

.top-bar-fixed > * {
  pointer-events: auto;
}

.top-bar-btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 2rem;
  height: 2rem;
  padding: 0;
  border: 1px solid var(--border);
  border-radius: 50%;
  background: var(--bg-input);
  color: var(--text);
  font-size: 1rem;
  cursor: pointer;
  transition:
    background 0.2s,
    border-color 0.2s;
  box-shadow: 0 2px 6px var(--shadow);
}

.top-bar-lang {
  font-size: 0.75rem;
  font-weight: 600;
}

.top-bar-btn:hover {
  background: var(--accent-light);
  border-color: var(--accent);
}

/* 국기 이모지가 깃발로 보이도록 이모지 폰트 지정 (일부 환경에서는 KR/GB 글자로 보일 수 있음) */
.top-bar-flag span {
  font-family:
    "Apple Color Emoji", "Segoe UI Emoji", "Noto Color Emoji", "Android Emoji",
    sans-serif;
  font-size: 1.1em;
  line-height: 1;
}

.theme-btn-fixed,
.top-bar-fixed .theme-btn {
  width: 2rem;
  height: 2rem;
  padding: 0;
  border-radius: 50%;
  box-shadow: 0 2px 6px var(--shadow);
}

.theme-btn:hover {
  background: var(--accent-light);
  border-color: var(--accent);
}

.theme-btn-icon {
  font-size: 0.95rem;
}

.theme-btn-label {
  word-break: keep-all;
}

/* ---------- 히어로: 컨트롤 카드 ---------- */
.hero {
  max-width: 720px;
  margin: 0 auto;
  padding: 1.5rem 1.25rem 1rem;
}

.controls-card {
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: 12px;
  padding: 1.25rem;
  box-shadow: 0 2px 8px var(--shadow);
  box-sizing: border-box;
  width: 100%;
  max-width: 100%;
}

.controls-card .control-row {
  max-width: 100%;
  min-width: 0;
}

.controls-card .status {
  margin: 0;
  padding: 1rem 0 0;
  max-width: 100%;
}

.control-row {
  display: flex;
  flex-wrap: wrap;
  align-items: flex-end;
  justify-content: center;
  gap: 1rem;
}

.control-group {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 0.35rem;
  min-width: 0;
  flex: 0 0 auto;
}

.control-group label {
  font-size: 0.85rem;
  font-weight: 500;
  color: var(--text-muted);
  white-space: nowrap;
  text-align: center;
  width: 100%;
}

.control-group select,
.control-group input[type="date"] {
  padding: 0.5rem 0.65rem;
  border: 1px solid var(--border);
  border-radius: 8px;
  background: var(--bg-input);
  color: var(--text);
  font-size: 0.9rem;
  min-width: 0;
  width: 100%;
  max-width: 180px;
  text-align: center;
}

/* 기준일·기간 동일 크기 */
#refDate,
#period {
  width: 10.5rem;
  min-width: 10.5rem;
  max-width: 10.5rem;
  box-sizing: border-box;
}

.control-group select:focus,
.control-group input:focus {
  outline: none;
  border-color: var(--accent);
  box-shadow: 0 0 0 2px var(--accent-light);
}

.control-group-btn {
  flex-basis: 100%;
  align-items: center;
  justify-content: center;
}

.control-group-btn .control-group-btn-label {
  visibility: hidden;
  height: 0;
  overflow: hidden;
  margin: 0;
}

.control-group-btn button {
  padding: 0.55rem 1.25rem;
  min-width: 11rem;
  background: var(--accent);
  color: #fff;
  border: none;
  border-radius: 8px;
  font-size: 0.95rem;
  font-weight: 500;
  cursor: pointer;
  transition: background 0.2s;
  white-space: nowrap;
}

.control-group-btn button:hover {
  background: var(--accent-hover);
}

.control-group-btn button:disabled {
  background: var(--text-muted);
  cursor: not-allowed;
  opacity: 0.8;
}

/* 마켓 드롭다운: 긴 이름 줄바꿈 방지, 잘 보이게 */
#market {
  min-width: 120px;
  max-width: 200px;
}

#market option {
  padding: 0.25rem 0;
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
}

/* ---------- 상태 메시지 (첫 화면에는 가볍게) ---------- */
.status {
  max-width: 720px;
  margin: 0 auto;
  padding: 0.75rem 1.25rem 0;
}

/* 첫 화면: 모든 텍스트 가운데 정렬 */
.center-block .header h1 {
  display: block;
  width: 100%;
  max-width: 100%;
  text-align: center;
  box-sizing: border-box;
}

.center-block .control-group select,
.center-block .control-group input[type="date"] {
  text-align: center;
}

.center-block .status {
  text-align: center;
}

.status-initial #statusText {
  font-size: 0.9rem;
  color: var(--text-muted);
  margin: 0;
  word-break: keep-all;
  overflow-wrap: break-word;
}

#statusText.error {
  color: var(--negative);
}

#statusText.loading {
  color: var(--accent);
}

/* ---------- 요약 카드 ---------- */
.summary {
  max-width: 960px;
  margin: 0 auto;
  padding: 1.25rem 1.25rem 0.5rem;
}

.summary h2,
.charts h2 {
  margin: 0 0 1rem;
  font-size: 1.1rem;
  font-weight: 600;
  color: var(--text);
}

.summary[aria-hidden="true"] {
  display: none;
}

.cards {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(140px, 1fr));
  gap: 0.75rem;
}

.card {
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: 8px;
  padding: 0.75rem 1rem;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  gap: 0.25rem;
  text-align: center;
  min-height: 4rem;
}

.card-label {
  font-size: 0.8rem;
  color: var(--text-muted);
  word-break: keep-all;
  overflow-wrap: break-word;
}

.card-value {
  font-size: 1rem;
  font-weight: 600;
  color: var(--text);
  word-break: break-all;
  overflow-wrap: break-word;
}

.card-value.positive {
  color: var(--positive);
}

.card-value.negative {
  color: var(--negative);
}

/* ---------- 차트 ---------- */
.charts {
  max-width: 960px;
  margin: 0 auto;
  padding: 1rem 1.25rem 2rem;
}

.charts[aria-hidden="true"] {
  display: none;
}

.charts-accordion {
  border: 1px solid var(--border);
  border-radius: 8px;
  overflow: hidden;
}

.charts-accordion-summary {
  padding: 0.75rem 1rem;
  font-weight: 600;
  color: var(--accent);
  cursor: pointer;
  list-style: none;
  user-select: none;
}

.charts-accordion-summary::-webkit-details-marker {
  display: none;
}

.charts-accordion-summary:hover {
  background: var(--accent-light);
}

.charts-accordion[open] .charts-accordion-summary {
  border-bottom: 1px solid var(--border);
}

.chart-block {
  margin-bottom: 1.5rem;
}

.chart-block h3 {
  margin: 0 0 0.5rem;
  padding-left: 1em;
  font-size: 0.95rem;
  font-weight: 700;
  color: var(--text-muted);
}

.chart-wrap {
  background: var(--bg-card);
  border: none;
  border-radius: 8px;
  padding: 0.75rem;
  overflow: auto;
  -webkit-overflow-scrolling: touch;
}

.chart-wrap {
  position: relative;
}

.chart-wrap canvas {
  display: block;
  max-width: 100%;
  height: auto;
  min-height: 180px;
  cursor: crosshair;
}

/* 차트 호버 툴팁 */
.chart-tooltip {
  position: fixed;
  z-index: 200;
  padding: 0.5rem 0.75rem;
  font-size: 0.8rem;
  line-height: 1.4;
  color: var(--text);
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: 6px;
  box-shadow: 0 4px 12px var(--shadow);
  pointer-events: none;
  visibility: hidden;
  max-width: 90vw;
  word-break: keep-all;
  white-space: pre-line;
}

.chart-tooltip.is-visible {
  visibility: visible;
}

.chart-tooltip .chart-tt-price {
  white-space: normal;
  min-width: 10rem;
}
.chart-tooltip .chart-tt-date {
  font-weight: 700;
  margin-bottom: 0.35rem;
  padding-bottom: 0.25rem;
  border-bottom: 1px solid var(--border);
}
.chart-tooltip .chart-tt-row {
  margin: 0.15rem 0;
  font-size: 0.78rem;
}
.chart-tooltip .chart-tt-ma-title {
  font-weight: 600;
  margin-top: 0.5rem;
  margin-bottom: 0.2rem;
  font-size: 0.8rem;
}
.chart-tooltip .chart-tt-up {
  color: var(--positive);
}
.chart-tooltip .chart-tt-down {
  color: var(--negative);
}

body.theme-dark .chart-tooltip {
  color: var(--text);
  background: var(--bg-card);
  border-color: var(--border);
}

/* ---------- 푸터 ---------- */
.footer {
  padding: 0.75rem 1.25rem 1.5rem;
  border-top: 1px solid var(--border);
  background: var(--bg-card);
}

.api-note {
  margin: 0;
  font-size: 0.8rem;
  color: var(--text-muted);
  text-align: center;
  word-break: keep-all;
  overflow-wrap: break-word;
}

/* ---------- 모바일 최적화 ---------- */
@media (max-width: 640px) {
  .header {
    padding: 0.75rem 1rem;
  }

  /* 첫 화면: 스크롤 없이 한 화면에 맞춤 */
  .center-block {
    min-height: 100vh;
    min-height: 100dvh;
    padding: 0.5rem 0.5rem;
    padding-top: 0.5rem;
    justify-content: center;
  }

  .center-block .header {
    padding: 0.25rem 2.25rem 0.25rem;
    margin-bottom: 0.5rem;
  }

  .center-block .header h1 {
    display: block;
    text-align: center;
    width: 100%;
    max-width: 100%;
    box-sizing: border-box;
    font-size: 1.2rem;
  }

  .center-block .hero {
    padding: 0.4rem 0.5rem;
    width: 100%;
  }

  .center-block .controls-card {
    padding: 0.5rem 0.6rem;
  }

  .center-block .control-row {
    flex-wrap: wrap;
    gap: 0.45rem;
  }

  /* 첫 화면: 세로 배치 유지, 마켓·기준일·기간 박스 가로 길이만 동일 */
  .center-block .control-group {
    flex: 1 1 100%;
    max-width: 100%;
    align-items: center;
    gap: 0.2rem;
  }

  .center-block .control-group-btn {
    flex: 1 1 100%;
  }

  .center-block .control-group label {
    text-align: center;
    font-size: 0.75rem;
  }

  .center-block .control-group select,
  .center-block .control-group input[type="date"] {
    width: 100%;
    max-width: 18rem;
    min-width: 0;
    text-align: center;
    padding: 0.4rem 0.5rem;
    font-size: 0.8rem;
    box-sizing: border-box;
  }

  /* 기준일·기간이 #refDate/#period 고정 너비(10.5rem)에 묶이지 않도록 모바일에서 동일 너비 강제 */
  .center-block #refDate,
  .center-block #period {
    width: 100%;
    min-width: 0;
    max-width: 18rem;
  }

  .center-block .control-group-btn button {
    width: 100%;
    max-width: 18rem;
    padding: 0.4rem 0.6rem;
    font-size: 0.85rem;
  }

  .center-block .controls-card .status {
    padding-top: 0.4rem;
  }

  .center-block .status #statusText {
    font-size: 0.78rem;
  }

  .hero {
    padding: 1rem;
  }

  .controls-card {
    padding: 1rem;
  }

  .control-row {
    flex-wrap: wrap;
    gap: 0.75rem;
  }

  .control-group {
    flex: 1 1 100%;
    max-width: 100%;
  }

  .control-group label {
    text-align: center;
  }

  .control-group select,
  .control-group input[type="date"] {
    max-width: 100%;
    width: 100%;
    text-align: center;
  }

  #refDate,
  #period {
    width: 100%;
    min-width: 0;
    max-width: 100%;
  }

  .control-group-btn {
    flex: 1 1 100%;
  }

  .control-group-btn button {
    width: 100%;
  }

  #market {
    max-width: 100%;
  }

  #resultRefDate,
  #resultPeriod {
    width: 100%;
    min-width: 0;
    max-width: 100%;
  }

  .result-controls-card {
    padding: 0.4rem 0.5rem;
    margin-left: 0.5rem;
    margin-right: 0.5rem;
    margin-bottom: 0.75rem;
    max-width: 100%;
    min-width: 0;
  }

  .result-controls-card .control-row {
    flex-wrap: wrap;
    gap: 0.5rem 0.4rem;
    padding-bottom: 0;
    min-width: 0;
    align-items: flex-end;
  }

  /* 두 번째 화면: 마켓·기준일·기간 동일 너비, 기준일 한 줄 표시, 레이블·입력 겹침 방지 */
  .result-controls-card .control-group {
    flex: 1 1 0;
    min-width: 0;
    display: flex;
    flex-direction: column;
    align-items: stretch;
    gap: 0.35rem;
  }

  .result-controls-card .control-group label {
    font-size: 0.7rem;
    flex-shrink: 0;
    line-height: 1.2;
  }

  .result-controls-card .control-group select,
  .result-controls-card .control-group input[type="date"] {
    width: 100%;
    min-width: 0;
    max-width: 100%;
    padding: 0.4rem 0.35rem;
    font-size: 0.7rem;
    text-align: center;
    box-sizing: border-box;
    flex-shrink: 0;
  }

  .result-controls-card #resultRefDate {
    min-width: 8.5rem;
    white-space: nowrap;
  }

  .result-controls-card #resultRefDate,
  .result-controls-card #resultPeriod {
    width: 100%;
    min-width: 8.5rem;
    max-width: 100%;
  }

  .result-controls-card #resultMarket {
    min-width: 8.5rem;
    max-width: 100%;
  }

  .result-controls-card .control-group-btn {
    flex: 0 0 auto;
    min-width: 0;
    align-self: flex-end;
  }

  .result-controls-card .control-group-btn button {
    width: auto;
    min-width: 3.5rem;
    padding: 0.4rem 0.6rem;
    font-size: 0.75rem;
  }

  .result-screen-header {
    padding: 0.5rem 1rem 0.25rem;
  }

  .back-btn {
    padding: 0.35rem 0.6rem;
    font-size: 0.8rem;
  }

  .result-screen-header {
    max-width: 100%;
    padding-left: 0.5rem;
    padding-right: 0.5rem;
  }

  .summary,
  .charts,
  .status {
    padding-left: 0.5rem;
    padding-right: 0.5rem;
    max-width: 100%;
  }

  .summary {
    padding-top: 0.5rem;
    padding-bottom: 0.25rem;
  }

  .summary h2,
  .charts h2 {
    font-size: 0.95rem;
    margin-bottom: 0.5rem;
  }

  .cards {
    grid-template-columns: repeat(2, minmax(0, 1fr));
    gap: 0.35rem;
  }

  .card {
    padding: 0.4rem 0.5rem;
    min-height: 2.75rem;
    gap: 0.15rem;
  }

  .card-label {
    font-size: 0.68rem;
  }

  .card-value {
    font-size: 0.78rem;
  }

  .analysis {
    padding: 0.5rem 0.5rem 1rem;
  }

  .analysis h2 {
    font-size: 0.95rem;
    margin-bottom: 0.5rem;
  }

  .analysis-sub {
    margin-bottom: 0.75rem;
  }

  .analysis-sub-title {
    font-size: 0.8rem;
    margin-bottom: 0.4rem;
  }

  .analysis-grid {
    grid-template-columns: repeat(2, 1fr);
    gap: 0.4rem;
  }

  .analysis-item {
    padding: 0.4rem 0.5rem;
    min-height: 2.75rem;
    gap: 0.15rem;
  }

  .analysis-item .label {
    font-size: 0.68rem;
  }

  .analysis-item .value {
    font-size: 0.78rem;
  }

  .charts {
    padding: 0.5rem 0.5rem 1rem;
  }

  .chart-block {
    margin-bottom: 0.75rem;
  }

  .chart-block h3 {
    font-size: 0.8rem;
    margin-bottom: 0.35rem;
  }

  .chart-wrap {
    padding: 0.4rem;
  }

  .footer {
    padding: 0.4rem 0.5rem 0.75rem;
  }

  .api-note {
    font-size: 0.7rem;
  }
}

@media (max-width: 380px) {
  .cards {
    grid-template-columns: 1fr;
  }
}