/* ============================================================
   TOPIK SSAM 학교(기관) 대시보드 공용 스타일
   - 기본 테마: Light (다크는 사용자가 토글한 경우에만)
   - 서체: NanumSquare Neo (변수 폰트)
   - 토큰 구조: dataviz reference palette (light/dark 각각 선택된 스텝)
   ============================================================ */

@font-face {
  font-family: 'NanumSquare Neo';
  src: url('https://cdn.jsdelivr.net/gh/projectnoonnu/noonfonts_11-01@1.0/NanumSquareNeo-Variable.woff2') format('woff2-variations');
  font-weight: 300 900;
  font-display: swap;
}

:root {
  color-scheme: light;
  /* surfaces & ink */
  --page: #f9f9f7;
  --surface-1: #fcfcfb;
  --text-primary: #0b0b0b;
  --text-secondary: #52514e;
  --text-muted: #898781;
  --grid: #e1e0d9;
  --baseline: #c3c2b7;
  --border: rgba(11, 11, 11, 0.10);
  /* series */
  --series-1: #2a78d6;          /* 기본 계열 (파랑) */
  --series-deemph: #c3c2b7;     /* emphasis 차트의 회색 계열 */
  /* sequential(파랑 램프) — 출석 히트맵 */
  --seq-100: #cde2fb;
  --seq-250: #86b6ef;
  --seq-400: #3987e5;
  --seq-550: #1c5cab;
  --seq-700: #0d366b;
  /* status (아이콘+라벨과 항상 함께 사용) */
  --status-good: #0ca30c;
  --status-warning: #fab219;
  --status-critical: #d03b3b;
  --status-good-text: #006300;
  /* misc */
  --hover-wash: rgba(42, 120, 214, 0.08);
}

/* 다크 테마는 명시적으로 토글한 경우에만 적용 (기본은 라이트) */
:root[data-theme="dark"] {
  color-scheme: dark;
  --page: #0d0d0d;
  --surface-1: #1a1a19;
  --text-primary: #ffffff;
  --text-secondary: #c3c2b7;
  --text-muted: #898781;
  --grid: #2c2c2a;
  --baseline: #383835;
  --border: rgba(255, 255, 255, 0.10);
  --series-1: #3987e5;
  --series-deemph: #52514e;
  --seq-100: #10305a;
  --seq-250: #1c5cab;
  --seq-400: #2a78d6;
  --seq-550: #5598e7;
  --seq-700: #9ec5f4;
  --status-good-text: #0ca30c;
  --hover-wash: rgba(57, 135, 229, 0.14);
}

* { box-sizing: border-box; }

body {
  margin: 0;
  background: var(--page);
  color: var(--text-primary);
  font-family: 'NanumSquare Neo', 'Apple SD Gothic Neo', 'Malgun Gothic', system-ui, sans-serif;
  font-size: 14px;
  line-height: 1.5;
}

button, input, select { font-family: inherit; }

a { color: var(--series-1); text-decoration: none; }
a:hover { text-decoration: underline; }

.wrap {
  max-width: 1440px;
  margin: 0 auto;
  padding: 0 16px 48px;
}

/* ---------- 헤더 ---------- */
.topbar {
  display: flex;
  align-items: center;
  gap: 16px;
  flex-wrap: wrap;
  padding: 20px 0 16px;
  border-bottom: 1px solid var(--grid);
  margin-bottom: 20px;
}
.title-block h1 {
  font-size: 20px;
  font-weight: 800;
  margin: 0;
  line-height: 1.3;
}
/* 기관명과 센터명은 같은 크기 */
.title-block .org-name { color: var(--series-1); }
.title-block .center-name { color: var(--text-primary); }
.title-block .service-sub {
  color: var(--text-muted);
  font-size: 13px;
  margin-top: 2px;
}
.topbar .spacer { flex: 1; }

/* 로그인 사용자 표시 */
.who-block { text-align: right; }
.who-block .who-name {
  font-size: 15px;
  font-weight: 700;
  color: var(--text-primary);
}
.who-block .who-role {
  font-size: 12px;
  color: var(--text-muted);
}

button.ghost {
  background: none;
  border: 1px solid var(--border);
  border-radius: 8px;
  color: var(--text-secondary);
  padding: 7px 13px;
  font-size: 12px;
  cursor: pointer;
}
button.ghost:hover { background: var(--hover-wash); }

/* ---------- 이용기간 한 줄 표시 (헤더 구분선 바로 아래) ---------- */
.meta-line {
  display: flex;
  gap: 24px;
  flex-wrap: wrap;
  align-items: baseline;
  font-size: 13px;
  margin: -10px 0 18px;
}
.meta-line .meta-item { white-space: nowrap; }
.meta-line .meta-label { color: var(--text-muted); margin-right: 6px; }
.meta-line .meta-value {
  color: var(--text-secondary);
  font-weight: 700;
  font-variant-numeric: tabular-nums;
}

/* ---------- 필터 칩 ---------- */
.chip-rows {
  display: flex;
  flex-direction: column;
  gap: 10px;
  margin-bottom: 20px;
}
.chip-row {
  display: flex;
  align-items: center;
  gap: 8px;
  flex-wrap: wrap;
}
.chip-row .chip-title {
  font-size: 13px;
  font-weight: 700;
  color: var(--text-secondary);
  min-width: 62px;
  flex: 0 0 auto;
}
.chip {
  display: inline-flex;
  align-items: center;
  gap: 7px;
  background: var(--surface-1);
  border: 1px solid var(--border);
  border-radius: 999px;
  color: var(--text-secondary);
  padding: 7px 14px;
  font-size: 13px;
  cursor: pointer;
  line-height: 1.2;
}
.chip:hover { background: var(--hover-wash); }
.chip .chip-count {
  font-size: 11px;
  font-weight: 700;
  color: var(--text-muted);
  background: var(--page);
  border-radius: 999px;
  padding: 1px 7px;
}
.chip.active {
  background: var(--series-1);
  border-color: var(--series-1);
  color: #fff;
  font-weight: 700;
}
.chip.active .chip-count {
  color: #fff;
  background: rgba(255, 255, 255, 0.22);
}
.chip-note { color: var(--text-muted); font-size: 12px; }

/* 구형 셀렉트(운영자 기관 선택 등) */
.filters {
  display: flex;
  gap: 10px;
  align-items: center;
  flex-wrap: wrap;
  margin-bottom: 16px;
}
.filters label { color: var(--text-secondary); font-size: 13px; }
.filters select {
  background: var(--surface-1);
  color: var(--text-primary);
  border: 1px solid var(--border);
  border-radius: 8px;
  padding: 7px 10px;
  font-size: 13px;
}

/* ---------- 탭 ---------- */
.tabs {
  display: flex;
  gap: 2px;
  border-bottom: 1px solid var(--grid);
  margin-bottom: 20px;
}
.tabs button {
  background: none;
  border: none;
  border-bottom: 2px solid transparent;
  color: var(--text-secondary);
  padding: 9px 14px;
  font-size: 14px;
  cursor: pointer;
  margin-bottom: -1px;
}
.tabs button:hover { color: var(--text-primary); }
.tabs button.active {
  color: var(--series-1);
  font-weight: 700;
  border-bottom-color: var(--series-1);
}

/* ---------- 가입 현황 히어로 ---------- */
.hero-stat .big-line {
  display: flex;
  align-items: baseline;
  gap: 8px;
  flex-wrap: wrap;
  margin: 6px 0 12px;
}
.hero-stat .big {
  font-size: 44px;
  font-weight: 800;
  line-height: 1.1;
  font-variant-numeric: tabular-nums;
}
.hero-stat .big-sub {
  font-size: 15px;
  color: var(--text-secondary);
}
.hero-stat .big-rate {
  font-size: 20px;
  font-weight: 800;
  color: var(--series-1);
  margin-left: auto;
}
.meter {
  height: 10px;
  border-radius: 5px;
  background: var(--seq-100);
  overflow: hidden;
}
.meter-fill {
  height: 100%;
  border-radius: 5px;
  background: var(--series-1);
}
.hero-stat .status-line {
  display: flex;
  gap: 14px;
  flex-wrap: wrap;
  margin-top: 14px;
}

/* ---------- 스탯 타일 (KPI 행) ---------- */
.kpi-row {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(150px, 1fr));
  gap: 12px;
  margin-bottom: 24px;
}
.tile {
  background: var(--surface-1);
  border: 1px solid var(--border);
  border-radius: 12px;
  padding: 14px 16px;
}
.tile .label { color: var(--text-secondary); font-size: 12px; }
.tile .value {
  font-size: 26px;
  font-weight: 700;
  margin-top: 2px;
  font-variant-numeric: tabular-nums;
}
.tile .value .unit { font-size: 13px; font-weight: 400; color: var(--text-muted); margin-left: 2px; }
.tile .hint { color: var(--text-muted); font-size: 11px; margin-top: 2px; }
.tile.hero .value { font-size: 48px; line-height: 1.15; }

/* ---------- 카드 & 차트 ---------- */
.card {
  background: var(--surface-1);
  border: 1px solid var(--border);
  border-radius: 12px;
  padding: 18px;
  margin-bottom: 20px;
}
.card h2 {
  font-size: 15px;
  font-weight: 700;
  margin: 0 0 4px;
}
.card .desc { color: var(--text-muted); font-size: 12px; margin: 0 0 14px; }
.grid-2 {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 20px;
}
@media (max-width: 860px) { .grid-2 { grid-template-columns: 1fr; } }

.chart-box { position: relative; }
.chart-box svg { display: block; width: 100%; height: auto; font-family: inherit; }
.empty-note { color: var(--text-muted); font-size: 13px; padding: 24px 0; text-align: center; }

/* ---------- 툴팁 ---------- */
.viz-tooltip {
  position: fixed;
  z-index: 50;
  pointer-events: none;
  background: var(--surface-1);
  border: 1px solid var(--border);
  border-radius: 8px;
  box-shadow: 0 4px 16px rgba(0, 0, 0, 0.18);
  padding: 8px 10px;
  font-size: 12px;
  color: var(--text-secondary);
  display: none;
  max-width: 260px;
}
.viz-tooltip .tt-value { color: var(--text-primary); font-weight: 700; font-size: 13px; }
.viz-tooltip .tt-key {
  display: inline-block;
  width: 12px;
  height: 0;
  border-top: 2px solid var(--series-1);
  vertical-align: middle;
  margin-right: 6px;
}

/* ---------- 테이블 ---------- */
table.data {
  width: 100%;
  border-collapse: collapse;
  font-size: 13px;
}
table.data th {
  text-align: left;
  color: var(--text-secondary);
  font-weight: 700;
  border-bottom: 1px solid var(--baseline);
  padding: 8px 7px;
  cursor: pointer;
  user-select: none;
}
table.data th.num, table.data td.num {
  text-align: right;
  font-variant-numeric: tabular-nums;
}
table.data td {
  border-bottom: 1px solid var(--grid);
  padding: 8px 7px;
}
/* 셀은 줄바꿈 없이 한 줄 유지 — 컬럼 폭은 내용에 맞게 자동, 넘치면 가로 스크롤 */
table.data th, table.data td { white-space: nowrap; }
table.data tbody tr:hover { background: var(--hover-wash); }
table.data tbody tr.clickable { cursor: pointer; }
table.data .sort-mark { font-size: 10px; color: var(--text-muted); margin-left: 3px; }

/* ---------- 상태 배지 (색 + 점 아이콘 + 라벨, 색상 단독 금지) ---------- */
.badge {
  display: inline-flex;
  align-items: center;
  gap: 5px;
  font-size: 12px;
  color: var(--text-secondary);
  white-space: nowrap;
}
.badge::before {
  content: "";
  width: 8px;
  height: 8px;
  border-radius: 50%;
  flex: 0 0 auto;
}
.badge.linked::before { background: var(--status-good); }
.badge.pending::before { background: var(--baseline); }
.badge.active::before { background: var(--status-good); }
.badge.warning::before { background: var(--status-warning); border: 1px solid var(--baseline); }
.badge.inactive::before { background: var(--status-critical); }

.table-scroll { overflow-x: auto; }

/* 사용률 저하 경고 콜아웃 (아이콘+라벨, 색 단독 금지) */
.callout {
  display: flex;
  align-items: flex-start;
  gap: 8px;
  border: 1px solid var(--border);
  border-left: 3px solid var(--status-warning);
  border-radius: 8px;
  padding: 10px 12px;
  margin-bottom: 16px;
  font-size: 13px;
  color: var(--text-secondary);
  background: var(--surface-1);
}
.callout.serious { border-left-color: var(--status-critical); }
.callout .callout-icon { flex: 0 0 auto; }
.callout strong { color: var(--text-primary); }

/* ---------- 출석 캘린더 ---------- */
.cal-head {
  display: flex;
  align-items: center;
  gap: 10px;
  margin-bottom: 10px;
}
.cal-head .month-label { font-weight: 700; min-width: 110px; text-align: center; }
.cal-grid {
  display: grid;
  grid-template-columns: repeat(7, 1fr);
  gap: 4px;
}
.cal-grid .dow {
  text-align: center;
  color: var(--text-muted);
  font-size: 11px;
  padding: 2px 0;
}
.cal-cell {
  aspect-ratio: 1 / 1;
  border-radius: 6px;
  border: 1px solid var(--grid);
  background: var(--surface-1);
  position: relative;
  font-size: 11px;
  color: var(--text-muted);
  padding: 3px 0 0 5px;
}
.cal-cell.out { visibility: hidden; }
.cal-cell.active { border-color: transparent; }
.cal-cell.active .day-num { color: #fff; }
.cal-legend {
  display: flex;
  align-items: center;
  gap: 6px;
  margin-top: 10px;
  font-size: 11px;
  color: var(--text-muted);
}
.cal-legend .swatch {
  width: 14px;
  height: 14px;
  border-radius: 4px;
  border: 1px solid var(--grid);
}

/* ---------- 로그인 ---------- */
.login-page {
  min-height: 100vh;
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 24px 16px;
}
.login-box {
  width: 100%;
  max-width: 480px;
  background: var(--surface-1);
  border: 1px solid var(--border);
  border-radius: 20px;
  padding: 48px 44px 40px;
  text-align: center;
  box-shadow: 0 12px 40px rgba(13, 54, 107, 0.08);
}
@media (max-width: 520px) { .login-box { padding: 36px 24px 32px; } }
/* 기관명·센터명 — 같은 크기로 나란히 */
.login-box .login-org {
  font-size: 18px;
  font-weight: 800;
  color: var(--text-primary);
  margin: 18px 0 4px;
}
.login-box .login-org .org-part { color: var(--series-1); }
.login-box h1 {
  font-size: 24px;
  font-weight: 800;
  margin: 0 0 8px;
  line-height: 1.3;
}
.login-box .login-desc {
  color: var(--text-secondary);
  font-size: 14px;
  margin: 0 0 32px;
}
.login-error {
  display: none;
  margin-top: 16px;
  color: var(--status-critical);
  font-size: 13px;
}
.login-form {
  display: flex;
  flex-direction: column;
  gap: 14px;
  text-align: left;
}
.login-form .field label {
  display: block;
  font-size: 13px;
  font-weight: 700;
  color: var(--text-secondary);
  margin-bottom: 6px;
}
.login-form input {
  width: 100%;
  background: var(--page);
  color: var(--text-primary);
  border: 1px solid var(--border);
  border-radius: 10px;
  padding: 14px 14px;
  font-size: 15px;
}
.login-form input:focus {
  outline: 2px solid var(--series-1);
  outline-offset: -1px;
  border-color: transparent;
}
.login-form button {
  margin-top: 10px;
  background: var(--series-1);
  color: #fff;
  border: none;
  border-radius: 10px;
  padding: 14px;
  font-size: 16px;
  font-weight: 800;
  cursor: pointer;
}
.login-form button:hover { background: var(--seq-550); }
.login-form button:disabled { opacity: 0.6; cursor: default; }
.login-help { color: var(--text-muted); font-size: 12px; margin-top: 24px; }

/* 기관 로고 — 남색 로고라 다크모드에서도 보이도록 흰색 칩 위에 표시 */
.logo-chip {
  display: inline-block;
  background: #ffffff;
  border: 1px solid var(--border);
  border-radius: 12px;
  padding: 10px 16px;
  margin-bottom: 18px;
}
.logo-chip .org-logo { display: block; height: 68px; width: auto; }
.topbar .logo-chip { margin: 0; padding: 7px 12px; }
.topbar .logo-chip .org-logo { height: 48px; }

.loading { color: var(--text-muted); text-align: center; padding: 40px 0; }