/* sk-calendar - 共通スタイル */
:root {
  --primary: #2563eb;
  --primary-hover: #1d4ed8;
  --primary-light: #eff6ff;
  --danger: #dc2626;
  --success: #16a34a;
  --gray-50: #f9fafb;
  --gray-100: #f3f4f6;
  --gray-200: #e5e7eb;
  --gray-300: #d1d5db;
  --gray-500: #6b7280;
  --gray-700: #374151;
  --gray-900: #111827;
  --radius: 8px;
  --shadow: 0 1px 3px rgba(0,0,0,0.1), 0 1px 2px rgba(0,0,0,0.06);
  --shadow-lg: 0 10px 15px -3px rgba(0,0,0,0.1);
}

* { margin: 0; padding: 0; box-sizing: border-box; }

body {
  font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;
  background: var(--gray-50);
  color: var(--gray-900);
  line-height: 1.6;
}

.container {
  max-width: 720px;
  margin: 0 auto;
  padding: 24px 16px;
}

.container.wide {
  max-width: 1024px;
}

/* ヘッダー */
.header {
  background: white;
  border-bottom: 1px solid var(--gray-200);
  padding: 16px 24px;
  display: flex;
  align-items: center;
  justify-content: space-between;
}
.header h1 {
  font-size: 18px;
  font-weight: 700;
  color: var(--gray-900);
}
.header .user-info {
  display: flex;
  align-items: center;
  gap: 8px;
  font-size: 14px;
  color: var(--gray-500);
}
.header .user-info img {
  width: 32px;
  height: 32px;
  border-radius: 50%;
}

/* カード */
.card {
  background: white;
  border-radius: var(--radius);
  box-shadow: var(--shadow);
  padding: 24px;
  margin-bottom: 16px;
}
.card h2 {
  font-size: 16px;
  font-weight: 600;
  margin-bottom: 16px;
  color: var(--gray-700);
}

/* ステップ表示 */
.steps {
  display: flex;
  gap: 4px;
  margin-bottom: 32px;
}
.step {
  flex: 1;
  height: 4px;
  background: var(--gray-200);
  border-radius: 2px;
  transition: background 0.3s;
}
.step.active { background: var(--primary); }
.step.done { background: var(--success); }

.step-title {
  font-size: 14px;
  color: var(--gray-500);
  margin-bottom: 8px;
}

/* システム選択カード */
.system-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(200px, 1fr));
  gap: 12px;
}
.system-card {
  border: 2px solid var(--gray-200);
  border-radius: var(--radius);
  padding: 16px;
  cursor: pointer;
  transition: all 0.2s;
  text-align: center;
}
.system-card:hover {
  border-color: var(--primary);
  background: var(--primary-light);
}
.system-card.selected {
  border-color: var(--primary);
  background: var(--primary-light);
}
.system-card .code {
  font-size: 24px;
  font-weight: 700;
  color: var(--primary);
}
.system-card .name {
  font-size: 14px;
  color: var(--gray-700);
  margin-top: 4px;
}
.system-card .desc {
  font-size: 12px;
  color: var(--gray-500);
  margin-top: 4px;
}

/* 日付選択 */
.date-nav {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 16px;
  margin-bottom: 16px;
}
.date-nav button {
  background: none;
  border: 1px solid var(--gray-300);
  border-radius: var(--radius);
  padding: 8px 12px;
  cursor: pointer;
  font-size: 14px;
}
.date-nav button:hover { background: var(--gray-100); }
.date-nav .current-date {
  font-size: 16px;
  font-weight: 600;
  min-width: 160px;
  text-align: center;
}

/* 時間スロット */
.slot-list {
  display: flex;
  flex-direction: column;
  gap: 8px;
}
.slot {
  display: flex;
  align-items: center;
  gap: 12px;
  padding: 12px 16px;
  border: 1px solid var(--gray-200);
  border-radius: var(--radius);
  cursor: pointer;
  transition: all 0.2s;
}
.slot:hover {
  border-color: var(--primary);
  background: var(--primary-light);
}
.slot.selected {
  border-color: var(--primary);
  background: var(--primary-light);
}
.slot .time {
  font-size: 16px;
  font-weight: 600;
  min-width: 100px;
}
.slot .staff-avatars {
  display: flex;
  gap: -4px;
}
.slot .staff-avatars img {
  width: 28px;
  height: 28px;
  border-radius: 50%;
  border: 2px solid white;
  margin-left: -4px;
}
.slot .staff-names {
  font-size: 13px;
  color: var(--gray-500);
}

.no-slots {
  text-align: center;
  padding: 40px 16px;
  color: var(--gray-500);
}

/* フォーム */
.form-group {
  margin-bottom: 16px;
}
.form-group label {
  display: block;
  font-size: 14px;
  font-weight: 500;
  margin-bottom: 4px;
  color: var(--gray-700);
}
.form-group label .required {
  color: var(--danger);
  margin-left: 2px;
}
.form-group input,
.form-group select,
.form-group textarea {
  width: 100%;
  padding: 10px 12px;
  border: 1px solid var(--gray-300);
  border-radius: var(--radius);
  font-size: 14px;
  outline: none;
  transition: border-color 0.2s;
}
.form-group input:focus,
.form-group select:focus,
.form-group textarea:focus {
  border-color: var(--primary);
  box-shadow: 0 0 0 3px rgba(37,99,235,0.1);
}

/* ボタン */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  padding: 10px 20px;
  border: none;
  border-radius: var(--radius);
  font-size: 14px;
  font-weight: 500;
  cursor: pointer;
  transition: all 0.2s;
}
.btn-primary {
  background: var(--primary);
  color: white;
}
.btn-primary:hover { background: var(--primary-hover); }
.btn-primary:disabled {
  background: var(--gray-300);
  cursor: not-allowed;
}
.btn-outline {
  background: white;
  border: 1px solid var(--gray-300);
  color: var(--gray-700);
}
.btn-outline:hover { background: var(--gray-100); }

.btn-group {
  display: flex;
  gap: 8px;
  margin-top: 24px;
}

/* 完了画面 */
.complete-icon {
  width: 64px;
  height: 64px;
  background: #dcfce7;
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  margin: 0 auto 16px;
  font-size: 32px;
  color: var(--success);
}

/* 管理画面 */
.tab-nav {
  display: flex;
  border-bottom: 1px solid var(--gray-200);
  margin-bottom: 24px;
  gap: 0;
}
.tab-nav button {
  padding: 10px 20px;
  border: none;
  background: none;
  cursor: pointer;
  font-size: 14px;
  color: var(--gray-500);
  border-bottom: 2px solid transparent;
  transition: all 0.2s;
}
.tab-nav button.active {
  color: var(--primary);
  border-bottom-color: var(--primary);
}

/* スキルトグル */
.skill-toggle {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 12px 0;
  border-bottom: 1px solid var(--gray-100);
}
.skill-toggle:last-child { border-bottom: none; }
.skill-toggle .info h3 {
  font-size: 14px;
  font-weight: 500;
}
.skill-toggle .info p {
  font-size: 12px;
  color: var(--gray-500);
}

/* トグルスイッチ */
.toggle {
  width: 44px;
  height: 24px;
  background: var(--gray-300);
  border-radius: 12px;
  position: relative;
  cursor: pointer;
  transition: background 0.3s;
}
.toggle.on { background: var(--primary); }
.toggle::after {
  content: '';
  width: 20px;
  height: 20px;
  background: white;
  border-radius: 50%;
  position: absolute;
  top: 2px;
  left: 2px;
  transition: transform 0.3s;
  box-shadow: 0 1px 3px rgba(0,0,0,0.2);
}
.toggle.on::after { transform: translateX(20px); }

/* 受付時間 */
.avail-row {
  display: flex;
  align-items: center;
  gap: 12px;
  padding: 8px 0;
  border-bottom: 1px solid var(--gray-100);
}
.avail-row .day {
  width: 40px;
  font-size: 14px;
  font-weight: 500;
}
.avail-row input[type="time"] {
  padding: 6px 8px;
  border: 1px solid var(--gray-300);
  border-radius: var(--radius);
  font-size: 14px;
}
.avail-row .toggle { flex-shrink: 0; }

/* テーブル */
.table-wrap { overflow-x: auto; }
table {
  width: 100%;
  border-collapse: collapse;
  font-size: 13px;
}
th {
  text-align: left;
  padding: 8px 12px;
  background: var(--gray-50);
  color: var(--gray-500);
  font-weight: 500;
  border-bottom: 1px solid var(--gray-200);
}
td {
  padding: 10px 12px;
  border-bottom: 1px solid var(--gray-100);
}

/* ローディング */
.loading {
  text-align: center;
  padding: 40px;
  color: var(--gray-500);
}
.spinner {
  width: 32px;
  height: 32px;
  border: 3px solid var(--gray-200);
  border-top-color: var(--primary);
  border-radius: 50%;
  animation: spin 0.8s linear infinite;
  margin: 0 auto 12px;
}
@keyframes spin { to { transform: rotate(360deg); } }

/* バッジ */
.badge {
  display: inline-block;
  padding: 2px 8px;
  border-radius: 10px;
  font-size: 11px;
  font-weight: 500;
}
.badge-confirmed { background: #dcfce7; color: #166534; }
.badge-cancelled { background: #fee2e2; color: #991b1b; }

/* レスポンシブ */
@media (max-width: 640px) {
  .container { padding: 16px 12px; }
  .system-grid { grid-template-columns: 1fr 1fr; }
  .slot { flex-wrap: wrap; }
  .btn-group { flex-direction: column; }
}