:root {
  --bg: #f7f8fa;
  --panel: #ffffff;
  --line: #d8dee6;
  --text: #1f2937;
  --muted: #6b7280;
  --primary: #2563eb;
  --primary-hover: #1d4ed8;
  --danger-bg: #fef2f2;
  --danger-border: #fecaca;
  --danger-text: #b91c1c;
  --success-bg: #eff6ff;
  --success-border: #bfdbfe;
}

* {
  box-sizing: border-box;
}

body {
  margin: 0;
  background: var(--bg);
  color: var(--text);
  font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", "Hiragino Sans",
    "Hiragino Kaku Gothic ProN", "Yu Gothic UI", Meiryo, sans-serif;
  line-height: 1.5;
}

.container {
  max-width: 900px;
  margin: 24px auto;
  padding: 0 16px;
}

.card {
  background: var(--panel);
  border: 1px solid var(--line);
  border-radius: 12px;
  padding: 20px;
  box-shadow: 0 1px 2px rgba(0, 0, 0, 0.04);
}

h1, h2, h3 {
  margin-top: 0;
  margin-bottom: 16px;
}

label {
  display: block;
  font-weight: 600;
  margin-bottom: 6px;
}

.form-row {
  margin-bottom: 16px;
}

input[type="text"],
input[type="number"],
input[type="email"],
select,
textarea {
  width: 100%;
  max-width: 100%;
  padding: 10px 12px;
  border: 1px solid var(--line);
  border-radius: 8px;
  background: #fff;
  color: var(--text);
  font-size: 14px;
}

input:focus,
select:focus,
textarea:focus {
  outline: none;
  border-color: var(--primary);
  box-shadow: 0 0 0 3px rgba(37, 99, 235, 0.12);
}

button,
.btn,
.btn-secondary {
  display: inline-block;
  border-radius: 8px;
  padding: 9px 14px;
  font-size: 14px;
  cursor: pointer;
  text-decoration: none;
  line-height: 1.2;
  transition: background 0.15s ease, border-color 0.15s ease, color 0.15s ease;
}

button,
.btn {
  border: 1px solid var(--primary);
  background: var(--primary);
  color: #fff;
}

button:hover,
.btn:hover {
  background: var(--primary-hover);
  border-color: var(--primary-hover);
}

.btn-secondary {
  background: #fff;
  color: var(--text);
  border: 1px solid var(--line);
}

.btn-secondary:hover {
  background: #f3f4f6;
}

.inline-actions {
  display: flex;
  gap: 8px;
  flex-wrap: wrap;
}

.error-box {
  margin-bottom: 16px;
  padding: 12px 14px;
  border: 1px solid var(--danger-border);
  background: var(--danger-bg);
  color: var(--danger-text);
  border-radius: 8px;
}

.success-box {
  margin-bottom: 16px;
  padding: 12px 14px;
  border: 1px solid var(--success-border);
  background: var(--success-bg);
  border-radius: 8px;
}

.detail-row {
  display: grid;
  grid-template-columns: 2fr 1fr 2fr auto;
  gap: 12px;
  align-items: end;
  margin-bottom: 12px;
  padding: 12px;
  border: 1px solid var(--line);
  border-radius: 10px;
  background: #fcfcfd;
}

.table-wrap {
  overflow-x: auto;
}

.table {
  width: 100%;
  border-collapse: collapse;
  background: #fff;
}

.table th,
.table td {
  border-bottom: 1px solid var(--line);
  padding: 10px 12px;
  text-align: left;
  vertical-align: middle;
  font-size: 14px;
}

.table th {
  background: #f9fafb;
  font-weight: 700;
  color: var(--muted);
}

.table tr:hover td {
  background: #fafcff;
}

.table input,
.table select {
  width: 100%;
  min-width: 120px;
  padding: 8px 10px;
  font-size: 13px;
}

.badge {
  display: inline-block;
  padding: 4px 8px;
  border-radius: 999px;
  font-size: 12px;
  background: #eef2ff;
  color: #3730a3;
}

.muted {
  color: var(--muted);
  font-size: 13px;
}

.app-header {
  display: flex;
  align-items: center;
  padding: 18px 24px;  
  border-bottom: 1px solid #e5e7eb;
  background: #fff;
}

.logo {
  height: 40px;   
  width: auto;
  object-fit: contain;
}

.app-title {
  margin-left: 12px;
  font-weight: 600;
  font-size: 16px;
  color: var(--text);
}