:root {
  --accent: #007aff;
  --accent-dark: #0062cc;
  --lotto-yellow: #fbc400;
  --lotto-blue: #069;
  --lotto-red: #d40000;
  --lotto-gray: #555;
  --lotto-green: #2c7a00;
  --bg: #f5f5f7;
  --card-bg: #fff;
  --text: #1c1c1e;
  --text-muted: #8e8e93;
  --border: rgba(0,0,0,0.08);
  --row-alt: #f5f7fb;
  --radius: 12px;
  --shadow: 0 1px 4px rgba(0,0,0,0.06), 0 4px 12px rgba(0,0,0,0.06);
}

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

body {
  font-family: 'Apple SD Gothic Neo', 'Malgun Gothic', sans-serif;
  background: var(--bg);
  color: var(--text);
  min-height: 100vh;
  display: flex;
  flex-direction: column;
}

/* ── 헤더 ── */
header {
  background: #fff;
  border-bottom: 0.5px solid rgba(0,0,0,0.1);
  text-align: center;
  padding: 28px 20px 22px;
}

header h1 {
  font-size: 1.6rem;
  font-weight: 700;
  letter-spacing: -0.5px;
  color: var(--text);
  margin-bottom: 6px;
}

header p {
  color: var(--text-muted);
  font-size: 0.88rem;
}

/* ── 레이아웃 ── */
main {
  flex: 1;
  max-width: 680px;
  width: 100%;
  margin: 0 auto;
  padding: 24px 16px;
  display: flex;
  flex-direction: column;
  gap: 20px;
}

/* ── 카드 ── */
.card {
  background: var(--card-bg);
  border-radius: var(--radius);
  border: 1px solid var(--border);
  box-shadow: var(--shadow);
  overflow: hidden;
}

.card-header {
  padding: 14px 20px;
  border-bottom: 1px solid var(--border);
  display: flex;
  align-items: center;
  gap: 10px;
}

.lotto-header {
  border-left: 4px solid var(--lotto-yellow);
}

.pension-header {
  border-left: 4px solid #636366;
}

.card-header h2 {
  font-size: 1rem;
  font-weight: 700;
  color: var(--text);
  margin-bottom: 3px;
}

.badge {
  font-size: 0.72rem;
  font-weight: 500;
  color: var(--text-muted);
}

.card-body {
  padding: 20px;
  display: flex;
  flex-direction: column;
  gap: 16px;
}

/* ── 결과 영역 ── */
.result-group {
  display: flex;
  flex-direction: column;
  gap: 8px;
}

.result-label {
  font-size: 0.78rem;
  color: var(--text-muted);
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.5px;
}

.balls-container,
.pension-container {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  align-items: center;
  min-height: 44px;
}

.placeholder {
  color: var(--text-muted);
  font-size: 0.85rem;
}

/* ── 로또 볼 ── */
.ball {
  width: 42px;
  height: 42px;
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 0.9rem;
  font-weight: 700;
  color: #fff;
  flex-shrink: 0;
  animation: pop 0.25s ease;
}

@keyframes pop {
  0%   { transform: scale(0); opacity: 0; }
  70%  { transform: scale(1.15); }
  100% { transform: scale(1); opacity: 1; }
}

.ball-1  { background: #fbc400; color: #000; }
.ball-11 { background: #069; }
.ball-21 { background: #d40000; }
.ball-31 { background: #555; }
.ball-41 { background: #2c7a00; }

/* ── 연금복권 자리 ── */
.pension-digit {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 4px;
  animation: pop 0.25s ease;
}

.pension-pos {
  font-size: 0.65rem;
  color: var(--text-muted);
}

.pension-num {
  width: 44px;
  height: 44px;
  background: #1c1c1e;
  border-radius: 8px;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.25rem;
  font-weight: 700;
  color: #fff;
}

/* ── 데이터 정보 패널 ── */
.data-info {
  background: var(--bg);
  border: 1px solid var(--border);
  border-radius: 8px;
  padding: 12px 14px;
  display: flex;
  flex-direction: column;
  gap: 10px;
}

.data-info-title {
  font-size: 0.72rem;
  font-weight: 700;
  color: var(--text-muted);
  text-transform: uppercase;
  letter-spacing: 0.5px;
}

.data-info-grid {
  display: flex;
  gap: 20px;
  flex-wrap: wrap;
}

.data-stat {
  display: flex;
  flex-direction: column;
  gap: 2px;
}

.data-stat-label {
  font-size: 0.7rem;
  color: var(--text-muted);
}

.data-stat-value {
  font-size: 0.85rem;
  font-weight: 600;
  color: var(--text);
}

.freq-row {
  display: flex;
  flex-direction: column;
  gap: 8px;
}

.freq-group {
  display: flex;
  align-items: center;
  gap: 8px;
  flex-wrap: wrap;
}

.freq-label {
  font-size: 0.72rem;
  font-weight: 600;
  white-space: nowrap;
}

.freq-label.up   { color: #ef4444; }
.freq-label.down { color: #069; }

.freq-balls {
  display: flex;
  gap: 5px;
  flex-wrap: wrap;
}

.freq-ball {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 1px;
}

.freq-ball .ball {
  width: 30px;
  height: 30px;
  font-size: 0.72rem;
}

.freq-ball-count {
  font-size: 0.6rem;
  color: var(--text-muted);
}

/* ── 연금복권 자리별 통계 ── */
.pension-pos-stat {
  display: flex;
  align-items: center;
  gap: 6px;
  font-size: 0.78rem;
  color: var(--text-muted);
}

.pension-pos-stat strong {
  color: var(--text);
}

/* ── 버튼 ── */
.btn {
  padding: 12px;
  border: none;
  border-radius: 8px;
  font-size: 0.95rem;
  font-weight: 600;
  cursor: pointer;
  transition: opacity 0.15s, transform 0.1s;
  background: var(--accent);
  color: #fff;
}

.btn:hover:not(:disabled) {
  background: var(--accent-dark);
}

.btn:active {
  transform: scale(0.98);
}

.btn:disabled {
  opacity: 0.6;
  cursor: not-allowed;
}

/* .btn-lotto, .btn-pension 은 동일하게 accent 색 사용 */
.btn-lotto  { background: var(--accent); color: #fff; }
.btn-pension { background: var(--accent); color: #fff; }

/* ── 로딩 스피너 ── */
.spinner {
  width: 22px;
  height: 22px;
  border: 3px solid rgba(255,255,255,0.4);
  border-top-color: #fff;
  border-radius: 50%;
  animation: spin 0.7s linear infinite;
  display: inline-block;
  vertical-align: middle;
  margin-right: 6px;
}

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

/* ── 푸터 ── */
footer {
  text-align: center;
  padding: 20px;
  font-size: 0.78rem;
  color: var(--text-muted);
  display: flex;
  flex-direction: column;
  gap: 4px;
}

footer a {
  color: var(--text-muted);
  text-decoration: none;
}

footer a:hover {
  text-decoration: underline;
}

@media (max-width: 400px) {
  .ball {
    width: 36px;
    height: 36px;
    font-size: 0.8rem;
  }
  .pension-num {
    width: 38px;
    height: 38px;
    font-size: 1.1rem;
  }
}