:root {
  --bg: #ffffff;
  --fg: #171717;
  --muted: #6b7280;
  --border: rgba(0, 0, 0, 0.1);
  --card-hover: rgba(0, 0, 0, 0.3);
}

@media (prefers-color-scheme: dark) {
  :root {
    --bg: #0a0a0a;
    --fg: #ededed;
    --muted: #9ca3af;
    --border: rgba(255, 255, 255, 0.12);
    --card-hover: rgba(255, 255, 255, 0.3);
  }
}

* { box-sizing: border-box; }

html, body {
  margin: 0;
  min-height: 100%;
  background: var(--bg);
  color: var(--fg);
  font-family: system-ui, -apple-system, "Segoe UI", Roboto, "Malgun Gothic", sans-serif;
}

body {
  display: flex;
  flex-direction: column;
  min-height: 100vh;
}

.container {
  width: 100%;
  max-width: 960px;
  margin: 0 auto;
  padding-left: 24px;
  padding-right: 24px;
}

.muted { color: var(--muted); font-size: 0.9rem; }

/* Header / Footer */
.site-header { border-bottom: 1px solid var(--border); }
.header-row {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding-top: 16px;
  padding-bottom: 16px;
}
.brand {
  font-size: 1.125rem;
  font-weight: 600;
  text-decoration: none;
  color: var(--fg);
}
.main { flex: 1; padding-top: 48px; padding-bottom: 48px; }
.site-footer {
  border-top: 1px solid var(--border);
  color: var(--muted);
  font-size: 0.875rem;
  text-align: center;
  padding: 24px 0;
}

/* Buttons / links */
.linklike {
  background: none;
  border: none;
  padding: 0;
  color: var(--muted);
  font: inherit;
  cursor: pointer;
}
.linklike:hover { color: var(--fg); }

.btn {
  display: inline-block;
  border: none;
  border-radius: 8px;
  background: var(--fg);
  color: var(--bg);
  padding: 10px 18px;
  font: inherit;
  font-weight: 500;
  cursor: pointer;
}
.btn:disabled { opacity: 0.5; }

.back-link { color: var(--muted); text-decoration: none; font-size: 0.9rem; }
.back-link:hover { color: var(--fg); }

/* Headings */
h1 { font-size: 1.75rem; margin: 0 0 4px; }
.subtitle { color: var(--muted); margin: 0 0 24px; }

/* Service grid */
.grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(240px, 1fr));
  gap: 16px;
  margin-top: 24px;
}
.card {
  display: block;
  border: 1px solid var(--border);
  border-radius: 16px;
  padding: 20px;
  text-decoration: none;
  color: var(--fg);
  transition: border-color 0.15s;
}
a.card:hover { border-color: var(--card-hover); }
.card.disabled { opacity: 0.55; }
.card-top { display: flex; align-items: center; justify-content: space-between; }
.card-icon { font-size: 1.75rem; }
.badge {
  font-size: 0.7rem;
  color: var(--muted);
  background: var(--border);
  border-radius: 999px;
  padding: 2px 10px;
}
.card-name { font-weight: 600; margin-top: 16px; }
.card-desc { color: var(--muted); font-size: 0.9rem; margin-top: 4px; }

/* Forms */
.field {
  width: 100%;
  border: 1px solid var(--border);
  border-radius: 10px;
  background: transparent;
  color: var(--fg);
  padding: 10px 14px;
  font: inherit;
}
.field:focus { outline: none; border-color: var(--card-hover); }
textarea.field { resize: vertical; }
.error { color: #dc2626; font-size: 0.875rem; }

/* Login */
.login-wrap {
  flex: 1;
  display: flex;
  align-items: center;
  justify-content: center;
}
.login-box { width: 100%; max-width: 360px; }
.login-title { text-align: center; margin-bottom: 32px; }
.stack > * + * { margin-top: 16px; }

/* Memo list */
.memo-list { list-style: none; padding: 0; margin: 32px 0 0; }
.memo-item {
  display: flex;
  justify-content: space-between;
  gap: 16px;
  border: 1px solid var(--border);
  border-radius: 12px;
  padding: 12px 16px;
}
.memo-item + .memo-item { margin-top: 12px; }
.memo-content { white-space: pre-wrap; word-break: break-word; margin: 0; }
.memo-date { color: var(--muted); font-size: 0.75rem; margin: 4px 0 0; }
.memo-empty {
  border: 1px dashed var(--border);
  border-radius: 12px;
  padding: 32px;
  text-align: center;
  color: var(--muted);
  font-size: 0.9rem;
}
.delete-btn {
  background: none; border: none; color: var(--muted);
  cursor: pointer; font: inherit; font-size: 0.9rem;
}
.delete-btn:hover { color: #dc2626; }

/* Filter bar */
.filter-bar {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  align-items: flex-end;
  margin-top: 24px;
}
.filter-item { display: flex; flex-direction: column; gap: 4px; }
.filter-item label { font-size: 0.8rem; color: var(--muted); }
.filter-item .field { width: auto; }
.market-picker { display: flex; gap: 14px; align-items: center; height: 42px; }
.market-picker label {
  display: inline-flex; align-items: center; gap: 5px;
  font-size: 0.95rem; color: var(--fg); cursor: pointer;
}
.market-picker input { cursor: pointer; }

/* Data table */
.table-scroll {
  margin-top: 16px;
  overflow-x: auto;
  border: 1px solid var(--border);
  border-radius: 12px;
}
.data-table {
  border-collapse: collapse;
  width: 100%;
  font-size: 0.875rem;
  white-space: nowrap;
}
.data-table th, .data-table td {
  padding: 8px 12px;
  border-bottom: 1px solid var(--border);
  text-align: left;
}
.data-table thead th {
  position: sticky;
  top: 0;
  background: var(--bg);
  font-weight: 600;
}
.data-table tbody tr:last-child td { border-bottom: none; }
.data-table .num { text-align: right; font-variant-numeric: tabular-nums; }
.data-table .up { color: #dc2626; }
.data-table .down { color: #2563eb; }
.data-table td.nowrap, .data-table th { white-space: nowrap; }
/* 종목이 많은 날은 셀 안에서 줄바꿈 */
.data-table td.names {
  white-space: normal;
  word-break: keep-all;
  line-height: 1.7;
  vertical-align: top;
  min-width: 320px;
}

/* 행이 많은 표는 스크롤 상자 안에 가둔다 (thead 는 이미 sticky) */
.table-scroll.tall { max-height: 460px; overflow-y: auto; }

/* 로또 번호 공 */
.lotto-sets { list-style: none; padding: 0; margin: 24px 0 0; }
.lotto-set { display: flex; align-items: center; flex-wrap: wrap; gap: 8px; }
.lotto-set + .lotto-set { margin-top: 10px; }
.lotto-set .set-no {
  width: 2rem;
  color: var(--muted);
  font-size: 0.85rem;
  font-variant-numeric: tabular-nums;
}
.ball {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 38px; height: 38px;
  border-radius: 50%;
  background: #9ca3af;
  color: #fff;
  font-weight: 700;
  font-size: 0.95rem;
  font-variant-numeric: tabular-nums;
}
/* 번호대별 색 (1~10, 11~20, 21~30, 31~40, 41~45) */
.ball.c1 { background: #fbc400; }
.ball.c2 { background: #69c8f2; }
.ball.c3 { background: #ff7272; }
.ball.c4 { background: #aaaaaa; }
.ball.c5 { background: #b0d840; }
.ball.sm { width: 27px; height: 27px; font-size: 0.75rem; }
.ball.sm + .ball.sm { margin-left: 4px; }

.filter-item .num-field { width: 70px; }

.market-sep {
  width: 1px; height: 18px;
  background: var(--border);
  display: inline-block; margin: 0 4px;
}

/* 스윕 히트맵 */
.data-table.sweep td, .data-table.sweep th { text-align: center; }
.sweep-cell { padding: 0 !important; }
.sweep-cell a {
  display: block;
  padding: 8px 10px;
  text-decoration: none;
  color: var(--fg);
  min-width: 84px;
}
.sweep-cell a:hover { outline: 2px solid var(--fg); outline-offset: -2px; }
.cell-exp { display: block; font-weight: 600; font-variant-numeric: tabular-nums; }
.cell-sub { display: block; font-size: 0.72rem; color: var(--fg); opacity: 0.75; margin-top: 2px; }

/* 판정 배너 */
.verdict {
  margin-top: 20px;
  padding: 12px 16px;
  border-radius: 10px;
  border: 1px solid var(--border);
  font-size: 0.95rem;
}
.verdict.good { border-color: #16a34a; background: rgba(22, 163, 74, 0.08); }
.verdict.flat { border-color: var(--muted); }
.verdict.bad  { border-color: #dc2626; background: rgba(220, 38, 38, 0.08); }

/* 통계 타일 */
.stat-row {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  margin-top: 16px;
}
.stat {
  border: 1px solid var(--border);
  border-radius: 12px;
  padding: 12px 18px;
  min-width: 110px;
}
.stat-label { font-size: 0.8rem; color: var(--muted); }
.stat-val { font-size: 1.25rem; font-weight: 600; margin-top: 4px; }
.stat-val.up { color: #dc2626; }
.stat-val.down { color: #2563eb; }

/* 진행률 바 */
.progress { margin-top: 20px; max-width: 520px; }
.progress[hidden] { display: none; }
.progress-track {
  height: 14px;
  border-radius: 8px;
  background: var(--border);
  overflow: hidden;
}
.progress-fill {
  display: block;
  height: 100%;
  width: 0;
  background: var(--fg);
  transition: width 0.3s ease;
}

/* 검색 중 표시 */
.loading {
  display: flex;
  align-items: center;
  gap: 10px;
  margin-top: 20px;
  color: var(--fg);
  font-size: 0.95rem;
}
/* hidden 속성이 있으면 확실히 숨김 (.loading 의 display:flex 보다 우선) */
.loading[hidden] { display: none; }
.spinner {
  width: 18px; height: 18px;
  border-radius: 50%;
  border: 2px solid var(--border);
  border-top-color: var(--fg);
  animation: spin 0.7s linear infinite;
  flex: none;
}
@keyframes spin { to { transform: rotate(360deg); } }

/* 사용자/권한 관리 */
.header-user { display: flex; align-items: center; gap: 16px; }
.section-title { font-size: 1.05rem; margin: 36px 0 12px; }
.ok-msg { color: #16a34a; font-size: 0.875rem; }
.btn.danger { background: #dc2626; color: #fff; }

.perm-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(240px, 1fr));
  gap: 10px 20px;
}
.perm-item {
  display: flex;
  align-items: center;
  gap: 8px;
  padding: 8px 10px;
  border: 1px solid var(--border);
  border-radius: 8px;
  cursor: pointer;
}
.perm-item input { cursor: pointer; }
.perm-name { flex: 1; }

/* 역할로 이미 열린 서비스 — 체크가 고정된 상태 */
.perm-item:has(.perm-check:disabled) {
  background: var(--card);
  cursor: default;
}
.perm-item .perm-badge[hidden] { display: none; }

/* 저장/오류 알림 — 긴 폼에서도 눈에 띄도록 박스로 */
.ok-msg, .err-msg {
  display: block;
  padding: 10px 14px;
  border-radius: 8px;
  font-size: 0.9rem;
  margin: 12px 0;
}
.ok-msg  { color: #166534; background: rgba(22, 163, 74, 0.10); border: 1px solid rgba(22, 163, 74, 0.35); }
.err-msg { color: #dc2626; background: rgba(220, 38, 38, 0.08); border: 1px solid rgba(220, 38, 38, 0.35); }

/* 저장 버튼 옆에 붙는 인라인 확인 문구 (폼이 길어 상단 알림을 놓치는 경우 대비) */
.save-row { display: flex; align-items: center; gap: 12px; margin-top: 24px; }
.save-row .ok-msg, .save-row .err-msg { margin: 0; }