/* Walkrun 어드민(admin.walkrun.app) — TODO-367. 빌드 도구 0, 외부 CDN/폰트 0.
   팔레트: 시스템 폰트 + 앱 브랜드 핑크(costumes/index.html과 동일 값)를 포인트로만 쓰는
   차분한 운영 도구 톤(회색 베이스). */
:root {
  --bg: #F3F4F7;
  --panel: #FFFFFF;
  --panel-alt: #F8F9FB;
  --border: #E2E5EB;
  --ink: #1F2430;
  --ink-dim: #5B6272;
  --ink-mute: #9AA0AC;
  --accent: #FF6B8E;
  --accent-dark: #E84368;
  --accent-tint: #FFE4EA;
  --danger: #D64545;
  --danger-bg: #FDEAEA;
  --danger-border: #F4C7C7;
  --success: #2E9E5B;
  --success-bg: #E6F6EC;
  --warn: #C9971E;
  --warn-bg: #FFF6DC;
  --info: #3B6FE0;
  --info-bg: #E9EFFD;
  --radius: 10px;
  --sidebar-w: 208px;
}
* { box-sizing: border-box; }
html, body { height: 100%; }
body {
  margin: 0;
  background: var(--bg);
  color: var(--ink);
  font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", "Malgun Gothic", "Apple SD Gothic Neo", sans-serif;
  font-size: 14px;
  line-height: 1.5;
}
button { font: inherit; }
input, select, textarea { font: inherit; color: inherit; }
a { color: var(--accent-dark); }

/* ── 레이아웃 ── */
.shell { display: flex; min-height: 100vh; }
.sidebar {
  width: var(--sidebar-w); flex: none; background: var(--panel);
  border-right: 1px solid var(--border); padding: 18px 12px; display: flex; flex-direction: column;
}
.brand { font-weight: 800; font-size: 17px; letter-spacing: -0.3px; padding: 4px 8px 18px; }
.brand span { color: var(--accent); }
.nav { display: flex; flex-direction: column; gap: 2px; flex: 1; }
.nav a {
  display: flex; align-items: center; gap: 8px; padding: 9px 10px; border-radius: 8px;
  color: var(--ink-dim); text-decoration: none; font-size: 13.5px; font-weight: 600;
}
.nav a:hover { background: var(--panel-alt); color: var(--ink); }
.nav a.active { background: var(--accent-tint); color: var(--accent-dark); }
.sidebar-foot { border-top: 1px solid var(--border); padding-top: 12px; margin-top: 12px; }
.sidebar-foot .who { font-size: 12.5px; color: var(--ink-dim); padding: 0 8px 8px; word-break: break-all; }
.logout-btn { width: 100%; }

.main { flex: 1; min-width: 0; display: flex; flex-direction: column; }
.topbar {
  display: flex; align-items: center; justify-content: space-between;
  padding: 14px 22px; border-bottom: 1px solid var(--border); background: var(--panel);
}
.topbar h1 { font-size: 18px; margin: 0; font-weight: 800; }
.content { padding: 20px 22px 60px; flex: 1; }

@media (max-width: 1024px) {
  .shell { flex-direction: column; }
  .sidebar { width: 100%; flex-direction: row; align-items: center; padding: 10px 12px; overflow-x: auto; }
  .brand { padding: 4px 10px 4px 0; white-space: nowrap; }
  .nav { flex-direction: row; flex: none; }
  .nav a { white-space: nowrap; }
  .sidebar-foot { border-top: none; border-left: 1px solid var(--border); margin: 0 0 0 8px; padding: 0 0 0 12px; display: flex; align-items: center; gap: 8px; }
  .sidebar-foot .who { padding: 0; }
  .content { padding: 16px; }
}

/* ── 로그인 ── */
.login-wrap { min-height: 100vh; display: grid; place-items: center; background: var(--bg); padding: 20px; }
.login-card {
  width: 100%; max-width: 360px; background: var(--panel); border: 1px solid var(--border);
  border-radius: 16px; padding: 32px 28px; box-shadow: 0 8px 28px rgba(31,36,48,0.08);
}
.login-card h1 { font-size: 20px; margin: 0 0 4px; font-weight: 800; }
.login-card h1 span { color: var(--accent); }
.login-card .sub { color: var(--ink-dim); font-size: 13px; margin: 0 0 22px; }
.login-card .field { margin-bottom: 14px; }
.login-card button[type="submit"] { width: 100%; margin-top: 6px; }

/* ── 공통 폼 요소 ── */
.field { display: flex; flex-direction: column; gap: 6px; margin-bottom: 12px; }
.field label { font-size: 12.5px; font-weight: 700; color: var(--ink-dim); }
.field .hint { font-size: 11.5px; color: var(--ink-mute); }
input[type="text"], input[type="password"], input[type="number"], input[type="datetime-local"],
input[type="search"], select, textarea {
  padding: 9px 11px; border-radius: 8px; border: 1px solid var(--border); background: #fff; color: var(--ink);
  width: 100%;
}
textarea { resize: vertical; min-height: 90px; font-family: inherit; }
input:focus, select:focus, textarea:focus { outline: none; border-color: var(--accent); box-shadow: 0 0 0 3px var(--accent-tint); }
.checkline { display: flex; align-items: center; gap: 8px; font-size: 13px; }
.checkline input { width: auto; }
.form-row { display: grid; grid-template-columns: 1fr 1fr; gap: 12px; }
@media (max-width: 640px) { .form-row { grid-template-columns: 1fr; } }
.form-actions { display: flex; gap: 8px; margin-top: 6px; flex-wrap: wrap; }

/* ── 버튼 ── */
.btn {
  display: inline-flex; align-items: center; justify-content: center; gap: 6px;
  padding: 9px 16px; border-radius: 8px; border: 1px solid var(--border);
  background: #fff; color: var(--ink); font-weight: 700; font-size: 13px; cursor: pointer;
  transition: background .12s, border-color .12s;
}
.btn:hover { background: var(--panel-alt); }
.btn:disabled { opacity: .5; cursor: not-allowed; }
.btn-primary { background: var(--accent); border-color: var(--accent); color: #fff; }
.btn-primary:hover { background: var(--accent-dark); border-color: var(--accent-dark); }
.btn-danger { background: #fff; border-color: var(--danger-border); color: var(--danger); }
.btn-danger:hover { background: var(--danger-bg); }
.btn-sm { padding: 5px 10px; font-size: 12px; border-radius: 7px; }
.btn-ghost { background: transparent; border-color: transparent; color: var(--ink-dim); }
.btn-ghost:hover { background: var(--panel-alt); }

/* ── 카드/패널 ── */
.panel {
  background: var(--panel); border: 1px solid var(--border); border-radius: var(--radius);
  padding: 18px 20px; margin-bottom: 16px;
}
.panel h2 { font-size: 15px; margin: 0 0 12px; font-weight: 800; }
.panel h2 small { font-weight: 500; color: var(--ink-mute); font-size: 12px; margin-left: 6px; }
.cards { display: grid; grid-template-columns: repeat(auto-fit, minmax(160px, 1fr)); gap: 12px; }
.stat-card {
  background: var(--panel); border: 1px solid var(--border); border-radius: var(--radius);
  padding: 16px 18px;
}
.stat-card .label { font-size: 12px; color: var(--ink-dim); margin-bottom: 6px; }
.stat-card .value { font-size: 24px; font-weight: 800; }
.stat-card .sub { font-size: 11.5px; color: var(--ink-mute); margin-top: 4px; }

/* ── 테이블 ── */
.table-wrap { overflow-x: auto; }
table { width: 100%; border-collapse: collapse; font-size: 13px; }
th, td { text-align: left; padding: 9px 10px; border-bottom: 1px solid var(--border); white-space: nowrap; }
th { color: var(--ink-dim); font-weight: 700; font-size: 12px; }
tbody tr:hover { background: var(--panel-alt); }
tr.clickable { cursor: pointer; }
td.wrap-cell, th.wrap-cell { white-space: normal; }
.table-toolbar { display: flex; gap: 8px; align-items: center; margin-bottom: 12px; flex-wrap: wrap; }
.table-toolbar input[type="text"], .table-toolbar input[type="search"] { max-width: 280px; }
.load-more { display: flex; justify-content: center; margin-top: 14px; }

/* ── 배지/칩 ── */
.badge { display: inline-flex; align-items: center; padding: 2px 9px; border-radius: 999px; font-size: 11.5px; font-weight: 700; }
.badge-gray { background: var(--panel-alt); color: var(--ink-dim); }
.badge-success { background: var(--success-bg); color: var(--success); }
.badge-danger { background: var(--danger-bg); color: var(--danger); }
.badge-warn { background: var(--warn-bg); color: var(--warn); }
.badge-info { background: var(--info-bg); color: var(--info); }
.badge-accent { background: var(--accent-tint); color: var(--accent-dark); }

/* ── 상태 표시 ── */
.state-msg { padding: 30px 10px; text-align: center; color: var(--ink-mute); font-size: 13px; }
.state-msg.error { color: var(--danger); }
.spinner {
  width: 16px; height: 16px; border-radius: 50%; border: 2px solid var(--border);
  border-top-color: var(--accent); animation: spin .7s linear infinite; display: inline-block;
}
@keyframes spin { to { transform: rotate(360deg); } }
.inline-spinner { display: inline-flex; align-items: center; gap: 8px; color: var(--ink-mute); font-size: 12.5px; }

/* ── 토스트 ── */
.toast-root { position: fixed; top: 16px; right: 16px; display: flex; flex-direction: column; gap: 8px; z-index: 1000; }
.toast {
  background: var(--ink); color: #fff; padding: 11px 16px; border-radius: 9px; font-size: 13px;
  box-shadow: 0 6px 18px rgba(0,0,0,0.18); max-width: 340px; animation: toastIn .15s ease-out;
}
.toast.error { background: var(--danger); }
.toast.success { background: var(--success); }
@keyframes toastIn { from { opacity: 0; transform: translateY(-6px); } to { opacity: 1; transform: translateY(0); } }

/* ── 확인 패널(브라우저 confirm 대체) ── */
.confirm-overlay {
  position: fixed; inset: 0; background: rgba(20,22,28,0.42); display: grid; place-items: center; z-index: 1100;
  padding: 20px;
}
.confirm-box {
  background: #fff; border-radius: 14px; padding: 22px 22px 18px; width: 100%; max-width: 380px;
  box-shadow: 0 12px 32px rgba(0,0,0,0.2);
}
.confirm-box h3 { margin: 0 0 8px; font-size: 15.5px; }
.confirm-box p { margin: 0 0 18px; font-size: 13px; color: var(--ink-dim); white-space: pre-wrap; }
.confirm-box .actions { display: flex; justify-content: flex-end; gap: 8px; }

/* ── 마크다운 미리보기 ── */
.md-preview { border: 1px dashed var(--border); border-radius: 8px; padding: 12px 14px; background: var(--panel-alt); font-size: 13px; }
.md-preview h4, .md-preview h5, .md-preview h6 { margin: 10px 0 6px; }
.md-preview p { margin: 0 0 8px; }
.md-preview ul { margin: 0 0 8px; padding-left: 20px; }
.md-preview:empty::before { content: "미리보기 없음"; color: var(--ink-mute); }

.detail-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 16px; align-items: start; }
@media (max-width: 900px) { .detail-grid { grid-template-columns: 1fr; } }
.kv { display: grid; grid-template-columns: 100px 1fr; gap: 6px 10px; font-size: 13px; }
.kv dt { color: var(--ink-dim); }
.kv dd { margin: 0; }
.back-link { display: inline-block; margin-bottom: 12px; font-size: 13px; color: var(--ink-dim); text-decoration: none; }
.back-link:hover { color: var(--accent-dark); }
.section-tabs { display: flex; gap: 6px; margin-bottom: 12px; }
.tab-btn { padding: 7px 14px; border-radius: 8px; border: 1px solid var(--border); background: #fff; cursor: pointer; font-weight: 700; font-size: 12.5px; color: var(--ink-dim); }
.tab-btn.active { background: var(--accent-tint); color: var(--accent-dark); border-color: var(--accent-tint); }