/* ──────────── 관리자 공통 스타일 ──────────── */
:root {
  --c-bg: #F7F7F8;
  --c-card: #fff;
  --c-text: #222;
  --c-muted: #888;
  --c-line: #DCDCDD;
  --c-line-2: #C5C3C6;
  --c-accent: #1985A1;
  --c-accent-2: #4C5C68;
  --c-dark: #46494C;
  --c-tint: #F2F8FA;
  --c-warn: #B23A48;
}

* { box-sizing: border-box; }
html, body { margin: 0; padding: 0; }
body {
  font-family: 'Noto Sans KR', sans-serif;
  background: var(--c-bg);
  color: var(--c-text);
  line-height: 1.5;
}

a { color: var(--c-accent); text-decoration: none; }
a:hover { text-decoration: underline; }

.layout { display: flex; min-height: 100vh; }
.sidebar {
  width: 240px;
  background: var(--c-dark);
  color: #fff;
  flex-shrink: 0;
  padding: 24px 0;
}
.sidebar h1 {
  font-size: 16px;
  font-weight: 700;
  padding: 0 24px 20px;
  border-bottom: 1px solid #5a5d60;
  margin-bottom: 16px;
  letter-spacing: 0.5px;
}
.sidebar h1 small { display: block; font-size: 12px; font-weight: 400; color: #DCDCDD; margin-top: 4px; }
.sidebar nav a {
  display: block;
  padding: 10px 24px;
  color: #DCDCDD;
  font-size: 14px;
  font-weight: 500;
  border-left: 3px solid transparent;
}
.sidebar nav a:hover { background: #5a5d60; color: #fff; text-decoration: none; }
.sidebar nav a.active { background: #5a5d60; color: #fff; border-left-color: var(--c-accent); }
.sidebar .home-link { display: inline-block; margin: 16px 24px; color: #DCDCDD; font-size: 12px; }

.main { flex: 1; padding: 32px 40px; min-width: 0; }
.main h2 { font-size: 22px; font-weight: 700; color: var(--c-dark); margin: 0 0 4px; }
.main .subtitle { color: var(--c-muted); margin-bottom: 24px; font-size: 14px; }

/* ──────────── 카드 ──────────── */
.card { background: var(--c-card); border: 1px solid var(--c-line); padding: 24px; margin-bottom: 16px; }
.card h3 { font-size: 16px; font-weight: 700; color: var(--c-accent-2); margin: 0 0 12px; }

/* ──────────── 폼 ──────────── */
.form-row { margin-bottom: 16px; }
.form-row label { display: block; font-size: 13px; font-weight: 700; color: var(--c-dark); margin-bottom: 6px; }
.form-row input[type="text"],
.form-row input[type="number"],
.form-row textarea,
.form-row select {
  width: 100%;
  padding: 8px 12px;
  font-family: inherit;
  font-size: 14px;
  border: 1px solid var(--c-line);
  background: #fff;
  color: var(--c-text);
}
.form-row input:focus, .form-row textarea:focus, .form-row select:focus {
  outline: none; border-color: var(--c-accent);
}
.form-row textarea { resize: vertical; min-height: 80px; }
.form-row .hint { font-size: 12px; color: var(--c-muted); margin-top: 4px; }
.form-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 16px; }
@media (max-width: 720px) { .form-grid { grid-template-columns: 1fr; } }

/* ──────────── 버튼 ──────────── */
.btn {
  display: inline-block;
  padding: 8px 16px;
  font-family: inherit;
  font-size: 14px;
  font-weight: 700;
  border: 1px solid var(--c-line-2);
  background: #fff;
  color: var(--c-dark);
  cursor: pointer;
  text-decoration: none;
}
.btn:hover { background: var(--c-bg); text-decoration: none; }
.btn-primary { background: var(--c-accent); border-color: var(--c-accent); color: #fff; }
.btn-primary:hover { background: #146f87; }
.btn-danger { background: var(--c-warn); border-color: var(--c-warn); color: #fff; }
.btn-danger:hover { background: #8e2d39; }
.btn-ghost { background: transparent; border-color: var(--c-line-2); color: var(--c-dark); }
.btn-sm { padding: 4px 10px; font-size: 12px; }
.btn-row { display: flex; gap: 8px; flex-wrap: wrap; }

/* ──────────── 테이블 ──────────── */
.table { width: 100%; border-collapse: collapse; background: #fff; }
.table th, .table td { padding: 10px 12px; text-align: left; font-size: 14px; border-bottom: 1px solid var(--c-line); }
.table th { background: var(--c-bg); color: var(--c-accent-2); font-weight: 700; font-size: 12px; letter-spacing: 0.5px; text-transform: uppercase; }
.table td.actions { text-align: right; white-space: nowrap; }
.table tr:hover td { background: var(--c-tint); }

.badge { display: inline-block; padding: 2px 8px; font-size: 11px; font-weight: 700; border: 1px solid var(--c-line-2); }
.badge-pending { background: #fff; color: var(--c-muted); }
.badge-running { background: var(--c-accent); color: #fff; border-color: var(--c-accent); }
.badge-done { background: var(--c-line); color: var(--c-dark); }
.badge-plenary { background: var(--c-accent-2); color: #fff; border-color: var(--c-accent-2); }
button.badge-toggle {
  font-family: inherit; cursor: pointer; line-height: 1.4;
}
button.badge-toggle:hover { filter: brightness(0.92); }
button.badge-toggle:focus { outline: 2px solid var(--c-accent); outline-offset: 1px; }

/* ──────────── 필터 바 ──────────── */
.filterbar { display: flex; gap: 12px; flex-wrap: wrap; align-items: end; margin-bottom: 16px; }
.filterbar .form-row { margin-bottom: 0; }
.filterbar select, .filterbar input { min-width: 140px; }

/* ──────────── 알림 / 메시지 ──────────── */
.alert { padding: 12px 16px; margin-bottom: 16px; border-left: 4px solid var(--c-line-2); background: #fff; font-size: 14px; }
.alert-info { border-color: var(--c-accent); }
.alert-success { border-color: #2e8540; background: #e9f7eb; }
.alert-warn { border-color: #d97706; background: #fff8e6; }
.alert-error { border-color: var(--c-warn); background: #fbeaec; }

/* ──────────── 임포트 미리보기 ──────────── */
.preview-summary { display: grid; grid-template-columns: repeat(4, 1fr); gap: 12px; margin-bottom: 20px; }
.preview-summary .stat { background: #fff; padding: 16px; border: 1px solid var(--c-line); }
.preview-summary .num { font-size: 28px; font-weight: 900; color: var(--c-accent); }
.preview-summary .lbl { font-size: 12px; color: var(--c-muted); margin-top: 4px; }
@media (max-width: 720px) { .preview-summary { grid-template-columns: repeat(2, 1fr); } }

.commit-form {
  background: var(--c-tint);
  border: 1px solid var(--c-line);
  padding: 16px;
  margin-top: 16px;
  display: flex;
  gap: 16px;
  align-items: center;
  justify-content: space-between;
  flex-wrap: wrap;
}
.commit-form .modes { display: flex; gap: 16px; }
.commit-form label { font-size: 13px; font-weight: 500; }

/* ──────────── 세션 편집 (참가자 인라인) ──────────── */
.participants { margin-top: 12px; }
.participants .group { margin-bottom: 16px; }
.participants .group h4 { font-size: 13px; color: var(--c-accent-2); margin: 0 0 8px; letter-spacing: 0.5px; }
.participants .row {
  display: grid;
  grid-template-columns: 40px 1fr 1.5fr 1fr 1.5fr 60px;
  gap: 6px;
  margin-bottom: 4px;
  align-items: center;
}
.participants .row input { padding: 6px 8px; font-size: 13px; border: 1px solid var(--c-line); }
.participants .role-speaker .row { grid-template-columns: 40px 1fr 1.2fr 0.8fr 1.4fr 60px; }
.participants .role-chair .row,
.participants .role-panel .row { grid-template-columns: 40px 1fr 1.5fr 60px; }
.participants .row .del { background: transparent; border: none; color: var(--c-warn); cursor: pointer; font-size: 18px; }
.participants .add { font-size: 12px; color: var(--c-accent); cursor: pointer; }
@media (max-width: 720px) {
  .participants .row, .participants .role-speaker .row,
  .participants .role-chair .row, .participants .role-panel .row {
    grid-template-columns: 1fr; }
}