:root {
  --navy: #0f2a4a;
  --navy-dark: #0a1d33;
  --accent: #c99b3c;
  --bg: #f4f6f9;
  --card: #ffffff;
  --text: #1f2937;
  --muted: #6b7280;
  --border: #e2e6ea;
  --danger: #c0392b;
  --success: #1e7e34;
}

* { box-sizing: border-box; }

body {
  margin: 0;
  font-family: "Hiragino Kaku Gothic ProN", "Yu Gothic", "Meiryo", sans-serif;
  background: var(--bg);
  color: var(--text);
}

a { color: var(--navy); }

.topbar {
  background: var(--navy);
  color: #fff;
  padding: 14px 24px;
  display: flex;
  align-items: center;
  justify-content: space-between;
}
.topbar .brand {
  font-weight: bold;
  letter-spacing: 0.03em;
}
.topbar .brand span { color: var(--accent); }
.topbar a.logout {
  color: #fff;
  opacity: 0.85;
  text-decoration: none;
  font-size: 14px;
  border: 1px solid rgba(255,255,255,0.4);
  padding: 6px 12px;
  border-radius: 4px;
}
.topbar a.logout:hover { opacity: 1; background: rgba(255,255,255,0.08); }

.container {
  max-width: 1400px;
  margin: 32px auto;
  padding: 0 20px;
}

/* 管理画面(左サイドバー有り)はPC専用。サイドバー右端から画面右端まで広く使う */
.container.with-sidebar {
  max-width: none;
  margin-left: 220px;
  margin-right: 0;
  padding: 24px 28px;
}

.login-wrap {
  min-height: 100vh;
  display: flex;
  align-items: center;
  justify-content: center;
  background: linear-gradient(135deg, var(--navy-dark), var(--navy));
}
.login-card {
  background: #fff;
  width: 360px;
  padding: 36px 32px;
  border-radius: 8px;
  box-shadow: 0 12px 32px rgba(0,0,0,0.25);
}
.login-card h1 {
  font-size: 18px;
  margin: 0 0 4px;
  color: var(--navy);
}
.login-card .sub {
  font-size: 13px;
  color: var(--muted);
  margin-bottom: 24px;
}

label { display: block; font-size: 13px; color: var(--muted); margin: 14px 0 6px; }
input[type=text], input[type=password], input[type=datetime-local], input[type=file], select, textarea {
  width: 100%;
  padding: 9px 10px;
  border: 1px solid var(--border);
  border-radius: 4px;
  font-size: 14px;
  background: #fff;
}
textarea { resize: vertical; }

button, .btn {
  display: inline-block;
  background: var(--navy);
  color: #fff;
  border: none;
  padding: 10px 18px;
  border-radius: 4px;
  font-size: 14px;
  cursor: pointer;
  text-decoration: none;
}
button:hover, .btn:hover { background: var(--navy-dark); }
.btn.gold { background: var(--accent); color: #21160a; }
.btn.gold:hover { background: #b8892f; }
.btn.outline { background: #fff; color: var(--navy); border: 1px solid var(--navy); }
.btn.danger { background: var(--danger); }
.btn.small { padding: 6px 12px; font-size: 13px; }

.card {
  background: var(--card);
  border: 1px solid var(--border);
  border-radius: 6px;
  padding: 24px;
  margin-bottom: 24px;
}
.card h2 {
  font-size: 16px;
  margin: 0 0 16px;
  color: var(--navy);
  border-left: 4px solid var(--accent);
  padding-left: 10px;
}

.actions-row { display: flex; gap: 10px; margin-bottom: 20px; flex-wrap: wrap; }

table {
  width: 100%;
  border-collapse: collapse;
  font-size: 13.5px;
}
th, td {
  border-bottom: 1px solid var(--border);
  padding: 10px 8px;
  text-align: left;
  vertical-align: top;
}
th {
  background: #eef1f5;
  color: var(--navy);
  font-weight: 600;
  white-space: nowrap;
}
tr:hover td { background: #fafbfc; }

.badge {
  display: inline-block;
  padding: 3px 10px;
  border-radius: 999px;
  font-size: 12px;
  font-weight: 600;
  white-space: nowrap;
}
.badge.new { background: #e5f0ff; color: #1a5cbf; }
.badge.progress { background: #fff3cd; color: #8a6300; }
.badge.done { background: #e2f5e5; color: var(--success); }
.badge.lost { background: #f8d7da; color: var(--danger); }
.badge.default { background: #eee; color: #555; }

.msg { padding: 10px 14px; border-radius: 4px; margin-bottom: 16px; font-size: 14px; }
.msg.error { background: #fdecea; color: var(--danger); border: 1px solid #f5c6cb; }
.msg.success { background: #e6f4ea; color: var(--success); border: 1px solid #b7dfc0; }

.hint { font-size: 12.5px; color: var(--muted); margin-top: 6px; }
.form-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 0 24px; }
.form-grid .full { grid-column: 1 / -1; }

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

/* 管理画面 左サイドバー(PC専用) */
.admin-sidebar {
  position: fixed;
  top: 0; left: 0; bottom: 0;
  width: 220px;
  background: var(--navy-dark);
  color: #fff;
  padding: 20px 0;
  overflow-y: auto;
  z-index: 100;
}
.admin-sidebar .sidebar-brand {
  font-weight: bold;
  padding: 0 20px 20px;
  font-size: 15px;
  border-bottom: 1px solid rgba(255,255,255,0.12);
  margin-bottom: 10px;
}
.admin-sidebar .sidebar-brand span {
  display: block;
  font-size: 11px;
  font-weight: normal;
  color: var(--accent);
  margin-top: 2px;
}
.admin-sidebar .nav-group {
  padding: 14px 20px 4px;
  font-size: 11px;
  color: rgba(255,255,255,0.5);
  letter-spacing: 0.05em;
}
.admin-sidebar .nav-item {
  display: block;
  padding: 9px 20px;
  color: rgba(255,255,255,0.85);
  text-decoration: none;
  font-size: 14px;
}
.admin-sidebar .nav-item:hover { background: rgba(255,255,255,0.06); }
.admin-sidebar .nav-item.active { background: var(--accent); color: #21160a; font-weight: 600; }
.admin-sidebar .logout-item {
  margin-top: 20px;
  border-top: 1px solid rgba(255,255,255,0.12);
  padding-top: 14px;
  color: rgba(255,255,255,0.6);
}
.with-sidebar { margin-left: 220px; }