:root {
  --bg: #f4f6fb;
  --panel: #ffffff;
  --sidebar: #1e293b;
  --sidebar-2: #0f172a;
  --sidebar-fg: #cbd5e1;
  --sidebar-active: #2563eb;
  --fg: #1f2937;
  --muted: #6b7280;
  --border: #e5e7eb;
  --accent: #2563eb;
  --danger: #dc2626;
}

* { box-sizing: border-box; }
html, body { margin: 0; height: 100%; }
body {
  font-family: -apple-system, "Segoe UI", "Malgun Gothic", "Apple SD Gothic Neo", sans-serif;
  background: var(--bg);
  color: var(--fg);
  line-height: 1.6;
}
a { color: inherit; text-decoration: none; }

/* ── Layout ─────────────────────────────── */
.layout { display: flex; min-height: 100vh; }

.sidebar {
  width: 240px;
  background: linear-gradient(180deg, var(--sidebar), var(--sidebar-2));
  color: var(--sidebar-fg);
  display: flex;
  flex-direction: column;
  flex-shrink: 0;
  position: sticky;
  top: 0;
  height: 100vh;
}
.brand {
  display: flex; align-items: center; gap: 10px;
  padding: 20px 18px;
  border-bottom: 1px solid rgba(255,255,255,.08);
}
.brand-mark {
  background: var(--accent); color: #fff; font-weight: 800;
  width: 34px; height: 34px; border-radius: 9px;
  display: grid; place-items: center; font-size: 14px; letter-spacing: .5px;
}
.brand-name { font-size: 18px; font-weight: 700; color: #fff; }

.menu { padding: 12px 10px; overflow-y: auto; flex: 1; }
.menu-section { margin-bottom: 16px; }
.menu-section-title {
  font-size: 11px; text-transform: uppercase; letter-spacing: .08em;
  color: #64748b; padding: 6px 10px;
}
.menu-item {
  display: flex; align-items: center; gap: 10px;
  padding: 10px 12px; border-radius: 9px;
  color: var(--sidebar-fg); font-size: 14px;
  transition: background .15s, color .15s;
}
.menu-item:hover { background: rgba(255,255,255,.06); color: #fff; }
.menu-item.active { background: var(--sidebar-active); color: #fff; font-weight: 600; }
.menu-icon { width: 20px; text-align: center; }

.main { flex: 1; display: flex; flex-direction: column; min-width: 0; }
.topbar {
  display: flex; align-items: center; gap: 14px;
  background: var(--panel); border-bottom: 1px solid var(--border);
  padding: 14px 24px; position: sticky; top: 0; z-index: 10;
}
.page-title { font-size: 18px; margin: 0; flex: 1; }
.topbar-right { display: flex; align-items: center; gap: 14px; }
.user-badge {
  background: #eef2ff; color: var(--accent); font-weight: 600;
  padding: 5px 12px; border-radius: 999px; font-size: 13px;
}
.logout { color: var(--muted); font-size: 13px; }
.logout:hover { color: var(--danger); }
.menu-toggle { display: none; background: none; border: none; font-size: 22px; cursor: pointer; }

.content { padding: 24px; max-width: 1100px; width: 100%; }

/* ── Cards ──────────────────────────────── */
.card {
  background: var(--panel); border: 1px solid var(--border);
  border-radius: 14px; padding: 22px; margin-bottom: 18px;
  box-shadow: 0 1px 2px rgba(0,0,0,.03);
}
.card h2 { margin: 0 0 10px; font-size: 18px; }
.card h3 { margin: 0 0 12px; font-size: 15px; }
.card p { margin: 8px 0; color: #374151; }
.card.placeholder { color: var(--muted); text-align: center; border-style: dashed; }

.cards { display: grid; grid-template-columns: repeat(auto-fit, minmax(180px, 1fr)); gap: 16px; margin-bottom: 18px; }
.stat { text-align: center; }
.stat-label { color: var(--muted); font-size: 13px; }
.stat-value { font-size: 30px; font-weight: 800; color: var(--accent); margin-top: 6px; }

.quick-links { display: flex; flex-wrap: wrap; gap: 10px; }
.quick-link {
  display: inline-flex; align-items: center; gap: 8px;
  background: #f8fafc; border: 1px solid var(--border);
  padding: 10px 14px; border-radius: 10px; font-size: 14px;
}
.quick-link:hover { border-color: var(--accent); color: var(--accent); }

.app-grid { display: grid; grid-template-columns: repeat(auto-fill, minmax(150px, 1fr)); gap: 16px; }
.app-tile {
  background: var(--panel); border: 1px solid var(--border); border-radius: 14px;
  padding: 24px 16px; text-align: center; transition: .15s;
}
.app-tile:hover { border-color: var(--accent); transform: translateY(-2px); box-shadow: 0 6px 16px rgba(37,99,235,.12); }
.app-tile.add { border-style: dashed; color: var(--muted); }
.app-tile-icon { display: block; font-size: 32px; margin-bottom: 8px; }
.app-tile-name { font-size: 14px; font-weight: 600; }

.info-table { width: 100%; border-collapse: collapse; }
.info-table th, .info-table td { text-align: left; padding: 10px 8px; border-bottom: 1px solid var(--border); }
.info-table th { color: var(--muted); font-weight: 600; width: 160px; }

.calc { display: flex; align-items: center; gap: 8px; flex-wrap: wrap; }
.calc input, .calc select, .calc button {
  padding: 8px 12px; border: 1px solid var(--border); border-radius: 8px; font-size: 14px;
}
.calc input { width: 90px; }
.calc button { background: var(--accent); color: #fff; border: none; cursor: pointer; }
.calc-result { font-weight: 800; font-size: 18px; color: var(--accent); margin-left: 6px; }

/* ── Login ──────────────────────────────── */
.login-body { display: grid; place-items: center; min-height: 100vh; background: linear-gradient(135deg, #1e293b, #0f172a); }
.login-card {
  background: var(--panel); border-radius: 18px; padding: 36px 32px;
  width: 340px; box-shadow: 0 20px 50px rgba(0,0,0,.3); text-align: center;
}
.login-brand { display: flex; align-items: center; justify-content: center; gap: 12px; margin-bottom: 6px; }
.login-brand h1 { font-size: 24px; margin: 0; }
.login-sub { color: var(--muted); margin: 0 0 22px; font-size: 14px; }
.login-card form { display: flex; flex-direction: column; gap: 14px; text-align: left; }
.login-card label { font-size: 13px; color: var(--muted); display: flex; flex-direction: column; gap: 6px; }
.login-card input {
  padding: 11px 12px; border: 1px solid var(--border); border-radius: 10px; font-size: 15px;
}
.login-card input:focus { outline: none; border-color: var(--accent); box-shadow: 0 0 0 3px rgba(37,99,235,.15); }
.login-card button {
  margin-top: 6px; padding: 12px; background: var(--accent); color: #fff;
  border: none; border-radius: 10px; font-size: 15px; font-weight: 600; cursor: pointer;
}
.login-card button:hover { background: #1d4ed8; }
.login-error { background: #fef2f2; color: var(--danger); border: 1px solid #fecaca; padding: 10px; border-radius: 10px; font-size: 13px; margin-bottom: 16px; }
.back-link { color: var(--accent); font-size: 14px; }

/* ── Responsive ─────────────────────────── */
@media (max-width: 760px) {
  .sidebar {
    position: fixed; left: -260px; z-index: 50; transition: left .2s;
  }
  .sidebar.open { left: 0; }
  .menu-toggle { display: block; }
}

/* ── 신규 매장 알림 ─────────────────────── */
.notice { background: #fffbeb; border-color: #fde68a; color: #92400e; }
.muted { color: var(--muted); font-weight: 400; }
.small { font-size: 12px; }
.warn { color: #d97706; font-weight: 600; }
.settings-box summary { cursor: pointer; font-weight: 600; }
.settings-box form { margin-top: 16px; display: flex; flex-direction: column; gap: 14px; }
.gu-grid { display: grid; grid-template-columns: repeat(auto-fill, minmax(96px, 1fr)); gap: 8px; }
.gu-chip {
  display: flex; align-items: center; gap: 6px; font-size: 13px;
  border: 1px solid var(--border); border-radius: 8px; padding: 6px 8px; cursor: pointer;
}
.gu-chip:has(input:checked) { border-color: var(--accent); background: #eef2ff; color: var(--accent); font-weight: 600; }
.field { display: flex; flex-direction: column; gap: 6px; font-size: 13px; color: var(--muted); max-width: 360px; }
.field input, .filters input, .filters select {
  padding: 8px 10px; border: 1px solid var(--border); border-radius: 8px; font-size: 14px; background: #fff;
}
.btn {
  align-self: flex-start; padding: 8px 18px; background: var(--accent); color: #fff;
  border: none; border-radius: 8px; font-size: 14px; font-weight: 600; cursor: pointer;
}
.btn:hover { background: #1d4ed8; }

.gu-summary { display: grid; grid-template-columns: repeat(auto-fill, minmax(140px, 1fr)); gap: 12px; margin-bottom: 18px; }
.gu-card { background: var(--panel); border: 1px solid var(--border); border-radius: 12px; padding: 12px 14px; }
.gu-card:hover, .gu-card.active { border-color: var(--accent); }
.gu-name { font-weight: 700; margin-bottom: 4px; }
.gu-nums { display: flex; gap: 10px; font-size: 13px; }
.up { color: #059669; font-weight: 600; }
.down { color: var(--danger); font-weight: 600; }

.tabs { display: flex; gap: 6px; border-bottom: 1px solid var(--border); margin-bottom: 14px; }
.tab { padding: 8px 14px; border-bottom: 2px solid transparent; color: var(--muted); font-weight: 600; font-size: 14px; }
.tab.active { color: var(--accent); border-bottom-color: var(--accent); }
.filters { display: flex; flex-wrap: wrap; gap: 8px; margin-bottom: 10px; }
.filters input[type=search] { flex: 1; min-width: 160px; }
.result-meta { font-size: 13px; color: var(--muted); margin-bottom: 8px; }

.table-wrap { overflow-x: auto; }
.data-table { width: 100%; border-collapse: collapse; font-size: 13px; }
.data-table th { text-align: left; color: var(--muted); font-weight: 600; padding: 8px; border-bottom: 2px solid var(--border); white-space: nowrap; }
.data-table td { padding: 9px 8px; border-bottom: 1px solid var(--border); vertical-align: top; }
.data-table tr:hover td { background: #f8fafc; }
.data-table .name { font-weight: 600; }
.data-table .addr { color: #4b5563; }
.data-table .empty { text-align: center; color: var(--muted); padding: 30px; }
.nowrap { white-space: nowrap; }
.tag { display: inline-block; padding: 2px 8px; border-radius: 999px; font-size: 12px; font-weight: 600; white-space: nowrap; }
.tag-0 { background: #eef2ff; color: #3730a3; }
.tag-1 { background: #ecfdf5; color: #065f46; }
.tag-2 { background: #fdf2f8; color: #9d174d; }
.tag-3 { background: #fff7ed; color: #9a3412; }