:root {
  --bg: #f5f6f8;
  --card: #ffffff;
  --text: #1f2330;
  --muted: #8a909c;
  --border: #e3e6eb;
  --primary: #2f6df6;
  --primary-dark: #1f56cf;
  --danger: #e2483d;
  --radius: 10px;
}

* { box-sizing: border-box; }

body {
  margin: 0;
  font-family: -apple-system, "Segoe UI", "Hiragino Kaku Gothic ProN",
    "Yu Gothic UI", Meiryo, sans-serif;
  background: var(--bg);
  color: var(--text);
  line-height: 1.6;
}

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

/* Header */
.site-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 14px 24px;
  background: var(--card);
  border-bottom: 1px solid var(--border);
}
.site-title {
  font-size: 1.15rem;
  font-weight: 700;
  color: var(--text);
}
.site-title:hover { text-decoration: none; }

.container {
  max-width: 860px;
  margin: 28px auto;
  padding: 0 20px;
}

.site-footer {
  text-align: center;
  color: var(--muted);
  padding: 32px 0;
}

.page-title { font-size: 1.5rem; margin: 0 0 18px; }

/* Buttons */
.btn {
  display: inline-block;
  padding: 8px 16px;
  border-radius: var(--radius);
  border: 1px solid var(--border);
  background: var(--card);
  color: var(--text);
  font-size: 0.95rem;
  cursor: pointer;
  transition: background .15s, border-color .15s;
}
.btn:hover { text-decoration: none; background: #eef1f6; }
.btn-primary {
  background: var(--primary);
  border-color: var(--primary);
  color: #fff;
}
.btn-primary:hover { background: var(--primary-dark); }
.btn-danger {
  background: #fff;
  border-color: var(--danger);
  color: var(--danger);
}
.btn-danger:hover { background: var(--danger); color: #fff; }

/* Table */
.case-table {
  width: 100%;
  border-collapse: collapse;
  background: var(--card);
  border-radius: var(--radius);
  overflow: hidden;
  box-shadow: 0 1px 2px rgba(0,0,0,.04);
}
.case-table th, .case-table td {
  text-align: left;
  padding: 13px 16px;
  border-bottom: 1px solid var(--border);
}
.case-table th {
  font-size: .82rem;
  color: var(--muted);
  font-weight: 600;
  background: #fafbfc;
}
.case-table tbody tr { cursor: pointer; }
.case-table tbody tr:hover { background: #f3f7ff; }
.case-table tbody tr:last-child td { border-bottom: none; }
.case-title-cell { font-weight: 600; }
.col-status { width: 130px; }
.col-date { width: 110px; color: var(--muted); }

/* Badge */
.badge {
  display: inline-block;
  padding: 3px 10px;
  border-radius: 999px;
  background: #e7eefb;
  color: var(--primary-dark);
  font-size: .82rem;
  font-weight: 600;
}
.badge-muted { background: #eceef2; color: var(--muted); }

/* Empty state */
.empty {
  text-align: center;
  background: var(--card);
  border: 1px dashed var(--border);
  border-radius: var(--radius);
  padding: 48px 20px;
}
.empty p { color: var(--muted); margin-bottom: 16px; }

/* Detail */
.breadcrumb { margin: 0 0 12px; font-size: .9rem; }
.detail-head { display: flex; align-items: center; gap: 12px; margin-bottom: 8px; }
.detail-head .page-title { margin: 0; }
.detail-list {
  background: var(--card);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 8px 20px;
  margin: 18px 0;
}
.detail-list dt {
  font-size: .82rem;
  color: var(--muted);
  font-weight: 600;
  margin-top: 14px;
}
.detail-list dd { margin: 4px 0 14px; }
.memo { white-space: pre-wrap; }
.muted { color: var(--muted); }

.actions { display: flex; gap: 10px; align-items: center; margin-top: 20px; }

/* Form */
.case-form {
  background: var(--card);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 22px;
}
.case-form label { display: block; margin-bottom: 18px; }
.field-label {
  display: block;
  font-size: .9rem;
  font-weight: 600;
  margin-bottom: 6px;
}
.req {
  font-style: normal;
  font-size: .72rem;
  color: var(--danger);
  margin-left: 6px;
}
.case-form input[type=text],
.case-form input[type=date],
.case-form select,
.case-form textarea {
  width: 100%;
  padding: 10px 12px;
  border: 1px solid var(--border);
  border-radius: 8px;
  font-size: 1rem;
  font-family: inherit;
  background: #fff;
}
.case-form input:focus,
.case-form select:focus,
.case-form textarea:focus {
  outline: none;
  border-color: var(--primary);
  box-shadow: 0 0 0 3px rgba(47,109,246,.12);
}
.case-form textarea { resize: vertical; }

/* Header nav / login state */
.header-nav { display: flex; align-items: center; gap: 14px; }
.header-nav a:hover { text-decoration: none; }
.user-chip { font-size: .9rem; color: var(--text); }
.role-tag {
  display: inline-block;
  margin-left: 6px;
  padding: 1px 7px;
  border-radius: 999px;
  background: #e7eefb;
  color: var(--primary-dark);
  font-size: .7rem;
  font-weight: 700;
}
.btn-small { padding: 5px 11px; font-size: .85rem; }

/* Auth pages */
.auth-card {
  max-width: 380px;
  margin: 40px auto;
  background: var(--card);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 30px 26px;
  box-shadow: 0 2px 8px rgba(0,0,0,.05);
}
.auth-title { font-size: 1.35rem; margin: 0 0 10px; text-align: center; }
.auth-lead { color: var(--muted); font-size: .9rem; text-align: center; margin-bottom: 22px; }
.auth-form label { display: block; margin-bottom: 16px; }
.auth-form input {
  width: 100%;
  padding: 11px 12px;
  border: 1px solid var(--border);
  border-radius: 8px;
  font-size: 1rem;
}
.auth-form input:focus {
  outline: none; border-color: var(--primary);
  box-shadow: 0 0 0 3px rgba(47,109,246,.12);
}
.btn-block { width: 100%; text-align: center; padding: 11px; }
.code-input {
  text-align: center;
  letter-spacing: .4em;
  font-size: 1.5rem !important;
  font-weight: 700;
}
.auth-info {
  background: #eef5ff; color: var(--primary-dark);
  padding: 10px 12px; border-radius: 8px; font-size: .88rem; margin-bottom: 18px;
}
.auth-error {
  background: #fdecea; color: var(--danger);
  padding: 10px 12px; border-radius: 8px; font-size: .88rem; margin-bottom: 18px;
}
.auth-foot { text-align: center; margin-top: 18px; font-size: .85rem; color: var(--muted); }

/* Panels (admin / access) */
.panel {
  background: var(--card);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 20px;
  margin: 20px 0;
}
.panel-title { font-size: 1.05rem; margin: 0 0 14px; }
.inline-form { display: flex; gap: 10px; flex-wrap: wrap; }
.inline-form input {
  flex: 1; min-width: 160px;
  padding: 9px 12px; border: 1px solid var(--border); border-radius: 8px; font-size: .95rem;
}
.hint { color: var(--muted); font-size: .85rem; margin-top: 12px; }
.col-action { width: 80px; text-align: right; }

/* Access checkbox list */
.checkbox-list { display: flex; flex-direction: column; gap: 10px; margin-bottom: 16px; }
.checkbox-item { display: flex; align-items: center; gap: 8px; cursor: pointer; }
.checkbox-item input { width: 17px; height: 17px; }
.access-panel { margin-top: 24px; }

@media (max-width: 520px) {
  .col-date { display: none; }
  .header-nav { gap: 8px; }
  .user-chip { display: none; }
}