:root {
  --primary: #003d5c;
  --accent:  #00a8cc;
  --bg:      #e0f4f8;
  --card:    #ffffff;
  --text:    #0b2a3a;
  --muted:   #6b8494;
  --danger:  #c0392b;
  --border:  #cfe3ea;
}

* { box-sizing: border-box; }

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

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

.page {
  min-height: 100vh;
  display: flex;
  justify-content: center;
  align-items: flex-start;
  padding: 48px 16px;
}

.card {
  width: 100%;
  max-width: 420px;
  background: var(--card);
  border: 1px solid var(--border);
  border-radius: 12px;
  padding: 32px 28px;
  box-shadow: 0 6px 24px rgba(0, 61, 92, 0.08);
}

.card.wide { max-width: 920px; }

/* ───────── 앱 레이아웃 (로그인 후) ───────── */
.app {
  min-height: 100vh;
  display: flex;
  flex-direction: column;
  background: var(--bg);
}

.topnav {
  background: var(--primary);
  color: #fff;
  box-shadow: 0 2px 12px rgba(0,61,92,.18);
  position: sticky;
  top: 0;
  z-index: 50;
}
.nav-inner {
  width: 100%;
  padding: 0 24px;
  height: 56px;
  display: flex;
  align-items: center;
  gap: 24px;
}
.nav-brand {
  text-decoration: none;
  display: inline-flex;
  align-items: center;
  padding: 6px 8px;
  border-radius: 6px;
  transition: background .15s ease;
}
.nav-brand:hover { background: rgba(255,255,255,.08); text-decoration: none; }
.nav-brand .brand-mark {
  font-weight: 800;
  font-size: 18px;
  letter-spacing: .5px;
  color: #fff;
}
.nav-items {
  display: flex;
  gap: 4px;
  flex: 1;
}
.nav-item {
  color: #c8e4ef;
  text-decoration: none;
  padding: 8px 16px;
  border-radius: 8px;
  font-size: 14px;
  font-weight: 600;
  line-height: 1;
  transition: background .15s ease, color .15s ease;
}
.nav-item:hover { background: rgba(255,255,255,.08); color: #fff; text-decoration: none; }
.nav-item.active {
  background: var(--accent);
  color: #fff;
}
.nav-user {
  display: flex;
  align-items: center;
  gap: 10px;
  font-size: 13px;
}
.nav-who { color: #c8e4ef; }
.nav-role { color: #8ab8c8; margin-left: 2px; }
.nav-user button { background: transparent; color: #fff; border: 1px solid rgba(255,255,255,.25); }
.nav-user button:hover { background: rgba(255,255,255,.1); }

.app-main {
  flex: 1;
  padding: 20px 24px 40px;
  width: 100%;
}
.panel {
  background: var(--card);
  border: 1px solid var(--border);
  border-radius: 12px;
  padding: 20px 24px;
  box-shadow: 0 4px 16px rgba(0,61,92,.06);
  margin-bottom: 16px;
}
.panel-title {
  font-size: 15px;
  font-weight: 700;
  color: var(--primary);
  margin: 0 0 14px;
  padding-bottom: 8px;
  border-bottom: 1px solid var(--border);
}

@media (max-width: 640px) {
  .nav-inner { padding: 0 12px; gap: 10px; }
  .nav-user .nav-who { display: none; }
  .app-main { padding: 12px 12px 30px; }
}

h1 {
  font-size: 22px;
  margin: 0 0 4px;
  color: var(--primary);
}

h2 {
  font-size: 16px;
  color: var(--primary);
  margin: 24px 0 12px;
  padding-bottom: 6px;
  border-bottom: 1px solid var(--border);
}

.subtitle {
  color: var(--muted);
  margin: 0 0 24px;
  font-size: 13px;
}

label {
  display: block;
  margin: 14px 0 6px;
  font-size: 13px;
  color: var(--primary);
  font-weight: 600;
}

input[type="text"],
input[type="tel"],
input[type="number"] {
  width: 100%;
  padding: 11px 12px;
  font-size: 15px;
  border: 1px solid var(--border);
  border-radius: 8px;
  background: #fafdff;
  color: var(--text);
}

input:focus {
  outline: none;
  border-color: var(--accent);
  box-shadow: 0 0 0 3px rgba(0,168,204,0.15);
}

button, .btn {
  display: inline-block;
  padding: 11px 16px;
  font-size: 15px;
  font-weight: 600;
  border-radius: 8px;
  border: none;
  cursor: pointer;
  background: var(--primary);
  color: #fff;
  transition: background .15s ease;
}

button:hover { background: #002a42; }
button:disabled { background: #8aa4b2; cursor: not-allowed; }

.btn-accent { background: var(--accent); }
.btn-accent:hover { background: #0091b0; }

.btn-danger { background: var(--danger); }
.btn-danger:hover { background: #9b2a1e; }

.btn-ghost {
  background: transparent;
  color: var(--primary);
  border: 1px solid var(--border);
}
.btn-ghost:hover { background: #f0f9fc; }

.btn-sm { padding: 6px 10px; font-size: 13px; }

.row { display: flex; gap: 8px; }
.row > * { flex: 1; }

.full-width { width: 100%; }

.msg {
  margin-top: 14px;
  padding: 10px 12px;
  border-radius: 8px;
  font-size: 13px;
}
.msg-ok    { background: #e6f7fb; color: var(--primary); border: 1px solid #b8e4ef; }
.msg-err   { background: #fdecea; color: var(--danger); border: 1px solid #f5c6c2; }
.msg-info  { background: #f1f8fb; color: var(--muted); border: 1px solid var(--border); }

.footer-link {
  margin-top: 22px;
  text-align: center;
  font-size: 13px;
  color: var(--muted);
}

/* Admin table */
table {
  width: 100%;
  border-collapse: collapse;
  font-size: 14px;
}
th, td {
  padding: 10px 8px;
  text-align: left;
  border-bottom: 1px solid var(--border);
}
th {
  background: #f3fafc;
  color: var(--primary);
  font-size: 13px;
}
tr:hover td { background: #fbfeff; }

.topbar {
  display: flex;
  justify-content: space-between;
  align-items: center;
  margin-bottom: 8px;
}
.topbar .welcome { font-weight: 600; color: var(--primary); }

.empty { color: var(--muted); font-size: 13px; padding: 10px 0; }

.counter { font-size: 12px; color: var(--muted); margin-top: 6px; }