:root {
  --bg: #f5f6f8;
  --surface: #ffffff;
  --text: #1b2130;
  --muted: #6b7385;
  --border: #e3e6ec;
  --primary: #1f2a44;
  --primary-text: #ffffff;
  --accent: #e8b84a;
  --danger: #c2413a;
  --hover: #f0f2f6;
  --g0: #7a4e00; --g0-bg: #fcefc9;
  --g1: #1d4e89; --g1-bg: #dceafb;
  --g2: #3f4a5c; --g2-bg: #e9ecf1;
  --g3: #1d6b4f; --g3-bg: #d9f2e6;
  --radius: 10px;
  color-scheme: light;
}

@media (prefers-color-scheme: dark) {
  :root {
    --bg: #12151c;
    --surface: #1a1f29;
    --text: #e6e9ef;
    --muted: #949cad;
    --border: #2b3240;
    --primary: #e8b84a;
    --primary-text: #1b2130;
    --danger: #ef6b62;
    --hover: #222836;
    --g0: #f5d27e; --g0-bg: #3d3115;
    --g1: #9cc4f5; --g1-bg: #1b2d47;
    --g2: #c3c9d4; --g2-bg: #2b3240;
    --g3: #8fdcbb; --g3-bg: #173a2d;
    color-scheme: dark;
  }
}

* { box-sizing: border-box; }

body {
  margin: 0;
  background: var(--bg);
  color: var(--text);
  font-family: -apple-system, BlinkMacSystemFont, "Apple SD Gothic Neo", "Malgun Gothic", "Segoe UI", sans-serif;
  font-size: 15px;
  line-height: 1.5;
}

h1, h2 { margin: 0; }
.muted { color: var(--muted); }
[hidden] { display: none !important; }

/* ---------- 버튼 / 입력 ---------- */
.btn {
  border: 1px solid transparent;
  border-radius: 8px;
  padding: 8px 14px;
  font: inherit;
  font-weight: 600;
  cursor: pointer;
  white-space: nowrap;
}
.btn:disabled { opacity: 0.6; cursor: default; }
.btn.primary { background: var(--primary); color: var(--primary-text); }
.btn.ghost { background: transparent; color: var(--text); border-color: var(--border); }
.btn.ghost:hover { background: var(--hover); }
.btn.danger { background: transparent; color: var(--danger); border-color: var(--danger); }
.btn.block { width: 100%; }

input, select, textarea {
  width: 100%;
  padding: 9px 12px;
  border: 1px solid var(--border);
  border-radius: 8px;
  background: var(--surface);
  color: var(--text);
  font: inherit;
}
input:focus, select:focus, textarea:focus, .btn:focus-visible, tr:focus-visible, .chip:focus-visible {
  outline: 2px solid var(--accent);
  outline-offset: 1px;
}
textarea { resize: vertical; }
label { display: block; font-weight: 600; margin: 14px 0 6px; }
.req { color: var(--danger); }
.error { color: var(--danger); margin: 10px 0 0; }

/* ---------- 로그인 ---------- */
.login-page { min-height: 100vh; display: grid; place-items: center; padding: 16px; }
.login-card {
  width: 100%;
  max-width: 360px;
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: 14px;
  padding: 28px;
}
.login-card .brand { margin-bottom: 8px; }
.login-card .btn { margin-top: 18px; padding: 11px; }

/* ---------- 상단 ---------- */
.brand { display: flex; align-items: center; gap: 10px; }
.brand h1 { font-size: 20px; }
.count { color: var(--muted); font-weight: 600; }

.topbar {
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 12px;
  flex-wrap: wrap;
  padding: 14px 24px;
  background: var(--surface);
  border-bottom: 1px solid var(--border);
}
.topbar-actions { display: flex; gap: 8px; flex-wrap: wrap; }

.container { max-width: 1200px; margin: 0 auto; padding: 20px 24px 40px; }

.toolbar { display: flex; gap: 12px; align-items: center; flex-wrap: wrap; margin-bottom: 16px; }
.toolbar input[type="search"] { flex: 1 1 260px; }

.chips { display: flex; gap: 6px; flex-wrap: wrap; }
.chip {
  border: 1px solid var(--border);
  background: var(--surface);
  color: var(--text);
  border-radius: 999px;
  padding: 6px 14px;
  font: inherit;
  cursor: pointer;
}
.chip[aria-pressed="true"] { background: var(--primary); color: var(--primary-text); border-color: var(--primary); }

/* ---------- 표 ---------- */
.table-wrap {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  overflow: hidden;
}
.vip-table { width: 100%; border-collapse: collapse; }
.vip-table th, .vip-table td { text-align: left; padding: 12px 16px; border-bottom: 1px solid var(--border); vertical-align: top; }
.vip-table th { font-size: 13px; color: var(--muted); font-weight: 600; background: var(--bg); }
.vip-table tbody tr { cursor: pointer; }
.vip-table tbody tr:hover { background: var(--hover); }
.vip-table tbody tr:last-child td { border-bottom: none; }
.vip-table td:nth-child(1) { width: 12%; }
.vip-table td:nth-child(2) { width: 14%; white-space: nowrap; }
.vip-table td:nth-child(3) { width: 24%; }
.vip-table td:nth-child(5) { width: 9%; }
.vip-table td:nth-child(6) { width: 10%; white-space: nowrap; }
.address { word-break: keep-all; overflow-wrap: anywhere; }
.memo { white-space: pre-wrap; word-break: break-word; display: -webkit-box; -webkit-line-clamp: 2; -webkit-box-orient: vertical; overflow: hidden; }

.grade { display: inline-block; padding: 2px 10px; border-radius: 999px; font-size: 13px; font-weight: 700; }
.grade.g0 { color: var(--g0); background: var(--g0-bg); }
.grade.g1 { color: var(--g1); background: var(--g1-bg); }
.grade.g2 { color: var(--g2); background: var(--g2-bg); }
.grade.g3 { color: var(--g3); background: var(--g3-bg); }
.grade.none { color: var(--muted); border: 1px solid var(--border); }

.empty { text-align: center; color: var(--muted); padding: 40px 16px; margin: 0; }

/* ---------- 대화상자 ---------- */
dialog {
  width: min(480px, calc(100vw - 32px));
  border: 1px solid var(--border);
  border-radius: 14px;
  padding: 24px;
  background: var(--surface);
  color: var(--text);
}
dialog::backdrop { background: rgb(0 0 0 / 0.4); }
dialog h2 { font-size: 18px; }
.dialog-actions { display: flex; gap: 8px; margin-top: 22px; }
.spacer { flex: 1; }

.toast {
  position: fixed;
  left: 50%;
  bottom: 24px;
  transform: translateX(-50%);
  background: var(--text);
  color: var(--bg);
  padding: 10px 18px;
  border-radius: 8px;
  font-weight: 600;
  max-width: calc(100vw - 32px);
}
.toast.error { background: var(--danger); color: #fff; }

/* ---------- 휴대폰 ---------- */
@media (max-width: 720px) {
  .topbar { padding: 12px 16px; }
  .container { padding: 16px 16px 32px; }
  .toolbar #add-btn { width: 100%; }
  .table-wrap { background: transparent; border: none; }
  .vip-table thead { display: none; }
  .vip-table, .vip-table tbody, .vip-table tr, .vip-table td { display: block; width: auto !important; }
  .vip-table tbody tr {
    background: var(--surface);
    border: 1px solid var(--border);
    border-radius: var(--radius);
    padding: 10px 14px;
    margin-bottom: 10px;
  }
  .vip-table td { border: none; padding: 3px 0; display: flex; gap: 12px; }
  .vip-table td::before { content: attr(data-label); color: var(--muted); font-size: 13px; min-width: 48px; flex-shrink: 0; }
}