:root {
  --bg: #f5f7fa;
  --panel: #ffffff;
  --border: #e1e4e8;
  --text: #2d3748;
  --text-muted: #718096;
  --accent: #3182ce;
  --accent-hover: #2b6cb0;
  --danger: #e53e3e;
  --success: #38a169;
  --warning: #d69e2e;
  --shadow: 0 1px 3px rgba(0,0,0,0.1);
}

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

body {
  font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, "Helvetica Neue", Arial, "Noto Sans SC", "PingFang SC", "Microsoft YaHei", sans-serif;
  background: var(--bg);
  color: var(--text);
  height: 100vh;
  overflow: hidden;
}

/* ===== 登录面板 ===== */
#login-panel {
  position: fixed;
  inset: 0;
  background: var(--bg);
  z-index: 3000;
  display: flex;
  align-items: center;
  justify-content: center;
}

#login-panel.hidden { display: none; }

.login-box {
  background: var(--panel);
  border: 1px solid var(--border);
  border-radius: 12px;
  padding: 40px 36px;
  width: 320px;
  box-shadow: var(--shadow);
  text-align: center;
}

.login-box h2 {
  font-size: 22px;
  font-weight: 600;
  color: var(--accent);
  margin-bottom: 4px;
}

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

.login-box input {
  width: 100%;
  padding: 10px 12px;
  border: 1px solid var(--border);
  border-radius: 8px;
  font-size: 14px;
  margin-bottom: 12px;
  background: var(--panel);
  color: var(--text);
}

.login-box input:focus {
  outline: none;
  border-color: var(--accent);
  box-shadow: 0 0 0 3px rgba(49, 130, 206, 0.1);
}

#login-btn {
  width: 100%;
  padding: 10px;
  border: none;
  border-radius: 8px;
  background: var(--accent);
  color: #fff;
  font-size: 14px;
  font-weight: 500;
  cursor: pointer;
  transition: background .15s;
}

#login-btn:hover { background: var(--accent-hover); }

.login-error {
  margin-top: 12px;
  font-size: 13px;
  color: var(--danger);
  min-height: 18px;
}

/* ===== App 布局 ===== */
#app {
  display: flex;
  flex-direction: column;
  height: 100vh;
}

#app.hidden { display: none; }

/* ===== 工具栏 ===== */
.toolbar {
  display: flex;
  align-items: center;
  justify-content: space-between;
  background: var(--panel);
  border-bottom: 1px solid var(--border);
  padding: 0 16px;
  height: 56px;
  flex-shrink: 0;
  gap: 12px;
}

.toolbar-left {
  display: flex;
  align-items: center;
  gap: 10px;
}

.brand { display: flex; flex-direction: column; gap: 2px; }
.brand h1 {
  font-size: 18px;
  font-weight: 600;
  color: var(--accent);
  line-height: 1.2;
}

.toolbar-center {
  display: flex;
  align-items: center;
  gap: 16px;
  flex: 1;
  justify-content: center;
}

.toolbar-right {
  display: flex;
  align-items: center;
  gap: 8px;
}

/* 年度选择器 */
.year-selector {
  display: flex;
  align-items: center;
  gap: 8px;
}

#year-select {
  padding: 5px 10px;
  border: 1px solid var(--border);
  border-radius: 6px;
  background: var(--panel);
  font-size: 13px;
  color: var(--text);
  cursor: pointer;
}

.year-add-btn {
  width: 24px;
  height: 24px;
  padding: 0;
  border: 1px solid var(--border);
  border-radius: 6px;
  background: var(--panel);
  color: var(--accent);
  font-size: 16px;
  font-weight: 600;
  line-height: 1;
  cursor: pointer;
  transition: background .15s, border-color .15s;
}

.year-add-btn:hover {
  background: #edf2f7;
  border-color: var(--accent);
}

.year-add-btn.hidden {
  display: none;
}

/* Tab 导航 */
.tab-nav {
  display: flex;
  border: 1px solid var(--border);
  border-radius: 8px;
  overflow: hidden;
}

.tab-btn {
  border: none;
  background: var(--panel);
  padding: 6px 18px;
  font-size: 14px;
  cursor: pointer;
  color: var(--text-muted);
  transition: background .15s, color .15s;
}

.tab-btn:not(:last-child) { border-right: 1px solid var(--border); }

.tab-btn.active {
  background: var(--accent);
  color: #fff;
}

.tab-btn:hover:not(.active) { background: #edf2f7; }

/* 账户菜单 */
.account-menu { position: relative; }

.account-menu-trigger {
  padding: 5px 10px;
  border: 1px solid var(--border);
  border-radius: 6px;
  background: var(--panel);
  font-size: 13px;
  color: var(--text);
  cursor: pointer;
  transition: background .15s;
}

.account-menu-trigger:hover { background: #edf2f7; }

.account-menu-dropdown {
  position: absolute;
  top: calc(100% + 4px);
  right: 0;
  min-width: 140px;
  background: var(--panel);
  border: 1px solid var(--border);
  border-radius: 8px;
  box-shadow: 0 8px 24px rgba(0,0,0,0.12);
  z-index: 100;
  padding: 4px;
  display: flex;
  flex-direction: column;
  gap: 2px;
}

.account-menu-dropdown.hidden { display: none; }

.tab-btn.hidden,
.account-menu-item.hidden,
#unlock-edit-btn.hidden {
  display: none;
}

.account-menu-item {
  padding: 8px 12px;
  border: none;
  border-radius: 6px;
  background: transparent;
  font-size: 13px;
  color: var(--text);
  cursor: pointer;
  text-align: left;
  transition: background .1s;
}

.account-menu-item:hover { background: #f5f7fa; }

/* ===== 主内容区 ===== */
#main-view {
  flex: 1;
  overflow: auto;
  padding: 0;
}

.tab-content { display: none; height: 100%; }
.tab-content.active { display: block; }

.placeholder-box {
  display: flex;
  align-items: center;
  justify-content: center;
  height: 100%;
  color: var(--text-muted);
  font-size: 16px;
}

/* ===== Master Data 布局 ===== */
.master-layout {
  display: flex;
  height: 100%;
}

.master-sidebar {
  width: 200px;
  background: var(--panel);
  border-right: 1px solid var(--border);
  flex-shrink: 0;
  padding: 16px;
}

.sidebar-section h3 {
  font-size: 13px;
  font-weight: 600;
  color: var(--text-muted);
  text-transform: uppercase;
  letter-spacing: 0.5px;
  margin-bottom: 12px;
}

.sidebar-menu {
  list-style: none;
  display: flex;
  flex-direction: column;
  gap: 2px;
}

.sidebar-btn {
  width: 100%;
  padding: 8px 12px;
  border: none;
  border-radius: 6px;
  background: transparent;
  font-size: 13px;
  color: var(--text);
  cursor: pointer;
  text-align: left;
  transition: background .1s;
}

.sidebar-btn:hover { background: #f5f7fa; }

.sidebar-btn.active {
  background: var(--accent);
  color: #fff;
}

.master-main {
  flex: 1;
  padding: 20px;
  overflow-y: auto;
}

/* ===== 卡片 ===== */
.card {
  background: var(--panel);
  border: 1px solid var(--border);
  border-radius: 8px;
  box-shadow: var(--shadow);
  margin-bottom: 20px;
  overflow: hidden;
}

.card-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 14px 16px;
  border-bottom: 1px solid var(--border);
  background: #fafbfc;
}

.card-header h3 {
  font-size: 15px;
  font-weight: 600;
}

.card-body { padding: 16px; }

/* ===== 表格 ===== */
.data-table {
  width: 100%;
  border-collapse: collapse;
  font-size: 13px;
}

.data-table th,
.data-table td {
  text-align: left;
  padding: 10px 12px;
  border-bottom: 1px solid var(--border);
}

.data-table th {
  font-weight: 600;
  color: var(--text-muted);
  background: #fafbfc;
  font-size: 12px;
  text-transform: uppercase;
  letter-spacing: 0.3px;
}

.data-table tbody tr:hover { background: #f8f9fa; }

.data-table tbody tr:last-child td { border-bottom: none; }

/* ===== 按钮 ===== */
.btn-primary {
  padding: 6px 14px;
  border: none;
  border-radius: 6px;
  background: var(--accent);
  color: #fff;
  font-size: 13px;
  cursor: pointer;
  transition: background .15s;
}

.btn-primary:hover { background: var(--accent-hover); }

.btn-success {
  padding: 6px 14px;
  border: none;
  border-radius: 6px;
  background: var(--success);
  color: #fff;
  font-size: 13px;
  cursor: pointer;
  transition: background .15s;
}

.btn-success:hover { background: #2f855a; }

.btn-secondary {
  padding: 6px 14px;
  border: 1px solid var(--border);
  border-radius: 6px;
  background: var(--panel);
  color: var(--text);
  font-size: 13px;
  cursor: pointer;
  transition: background .15s;
}

.btn-secondary:hover { background: #edf2f7; }

.btn-danger {
  padding: 4px 10px;
  border: 1px solid #feb2b2;
  border-radius: 4px;
  background: #fff5f5;
  color: var(--danger);
  font-size: 12px;
  cursor: pointer;
  transition: background .15s;
}

.btn-danger:hover { background: #fed7d7; }

.btn-sm {
  padding: 4px 10px;
  font-size: 12px;
}

/* ===== 表单 ===== */
.edit-form { display: flex; flex-direction: column; gap: 14px; }

.form-row {
  display: flex;
  flex-direction: column;
  gap: 6px;
}

.form-row label {
  font-size: 13px;
  font-weight: 500;
  color: var(--text-muted);
}

.form-row input,
.form-row select {
  padding: 8px 10px;
  border: 1px solid var(--border);
  border-radius: 6px;
  font-size: 14px;
  background: var(--panel);
  color: var(--text);
}

.form-row input:focus,
.form-row select:focus {
  outline: none;
  border-color: var(--accent);
  box-shadow: 0 0 0 3px rgba(49, 130, 206, 0.1);
}

.form-readonly {
  padding: 8px 10px;
  background: var(--bg);
  border: 1px solid var(--border);
  border-radius: 6px;
  font-size: 14px;
  color: var(--text-muted);
  min-height: 36px;
  display: flex;
  align-items: center;
}

.checkbox-row {
  flex-direction: row;
  align-items: center;
  gap: 8px;
}

.checkbox-row label {
  display: flex;
  align-items: center;
  gap: 6px;
  color: var(--text);
  cursor: pointer;
}

.form-actions {
  display: flex;
  justify-content: flex-end;
  gap: 10px;
  margin-top: 8px;
  padding-top: 14px;
  border-top: 1px solid var(--border);
}

/* ===== 楼层分组 ===== */
.floor-section {
  margin-bottom: 16px;
}

.floor-section:last-child {
  margin-bottom: 0;
}

.floor-label {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  font-size: 13px;
  font-weight: 600;
  color: var(--text-muted);
  margin-bottom: 10px;
  padding: 4px 12px;
  background: #edf2f7;
  border-radius: 6px;
  letter-spacing: 0.5px;
}

/* ===== 房间网格 ===== */
.room-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(260px, 1fr));
  gap: 12px;
}

.room-card {
  border: 1px solid var(--border);
  border-radius: 8px;
  padding: 14px;
  background: var(--panel);
  transition: box-shadow .15s, border-color .15s;
}

.room-card:hover {
  border-color: var(--accent);
  box-shadow: 0 2px 8px rgba(49, 130, 206, 0.1);
}

.room-card.full {
  border-left: 3px solid var(--danger);
}

.room-card-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-bottom: 10px;
}

.room-card-name {
  font-size: 14px;
  font-weight: 600;
}

.room-card-actions {
  display: flex;
  gap: 4px;
}

.room-card-actions button {
  padding: 3px 8px;
  border: 1px solid var(--border);
  border-radius: 4px;
  background: var(--panel);
  font-size: 11px;
  cursor: pointer;
  color: var(--text);
}

.room-card-actions button:hover { background: #edf2f7; }

.room-card-meta {
  display: flex;
  flex-wrap: wrap;
  gap: 6px 12px;
  font-size: 12px;
  color: var(--text-muted);
}

.room-card-meta span {
  display: inline-flex;
  align-items: center;
  gap: 4px;
}

.icon-outline {
  width: 14px;
  height: 14px;
  flex-shrink: 0;
  opacity: 0.7;
}

.room-badge {
  display: inline-block;
  padding: 2px 8px;
  border-radius: 12px;
  font-size: 11px;
  font-weight: 600;
}

.badge-rented {
  background: #c6f6d5;
  color: #22543d;
}

.badge-internal {
  background: #e2e8f0;
  color: #4a5568;
}

.badge-unavailable {
  background: #fed7d7;
  color: #c53030;
}

.badge-billing {
  background: #ebf8ff;
  color: #2b6cb0;
}

/* ===== 颜色标签 ===== */
.color-tag {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  padding: 4px 10px;
  border-radius: 6px;
  font-size: 12px;
  font-weight: 500;
}

.color-dot {
  width: 12px;
  height: 12px;
  border-radius: 50%;
  flex-shrink: 0;
}

/* ===== 详情面板 ===== */
.detail-panel {
  position: fixed;
  top: 0;
  right: 0;
  width: 720px;
  max-width: 90vw;
  height: 100vh;
  background: var(--panel);
  box-shadow: -4px 0 20px rgba(0,0,0,0.15);
  z-index: 1000;
  transform: translateX(0);
  transition: transform .25s ease;
  display: flex;
  flex-direction: column;
}

.detail-panel.hidden { transform: translateX(100%); }

.detail-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 16px 20px;
  border-bottom: 1px solid var(--border);
  background: #fafbfc;
}

.detail-header h2 {
  font-size: 16px;
  font-weight: 600;
}

.close-btn {
  background: none;
  border: none;
  font-size: 24px;
  color: var(--text-muted);
  cursor: pointer;
  line-height: 1;
}

.close-btn:hover { color: var(--text); }

.detail-content {
  padding: 20px;
  overflow-y: auto;
  flex: 1;
}

/* ===== 住宿登记面板双列布局 ===== */
.occupancy-panel-content {
  display: flex;
  flex-direction: row;
  padding: 0;
  overflow: hidden;
}

.occ-panel-left {
  flex: 1 1 50%;
  min-width: 280px;
  max-height: calc(100vh - 57px);
  overflow-y: auto;
  padding: 16px;
  border-right: 1px solid var(--border);
}

.occ-panel-right {
  flex: 1 1 50%;
  min-width: 280px;
  max-height: calc(100vh - 57px);
  overflow-y: auto;
  padding: 16px;
}

/* ===== 遮罩 ===== */
.overlay {
  position: fixed;
  inset: 0;
  background: rgba(0,0,0,0.35);
  z-index: 999;
  opacity: 1;
  transition: opacity .25s;
}

.overlay.hidden {
  opacity: 0;
  pointer-events: none;
}

/* ===== 空状态 ===== */
.empty-state {
  text-align: center;
  padding: 40px;
  color: var(--text-muted);
}

/* ===== 提示信息 ===== */
.toast {
  position: fixed;
  bottom: 20px;
  right: 20px;
  padding: 12px 18px;
  border-radius: 8px;
  font-size: 14px;
  font-weight: 500;
  z-index: 2000;
  animation: toast-in 0.3s ease;
}

@keyframes toast-in {
  from { transform: translateY(20px); opacity: 0; }
  to { transform: translateY(0); opacity: 1; }
}

.toast.success {
  background: #c6f6d5;
  color: #22543d;
  border: 1px solid #9ae6b4;
}

.toast.error {
  background: #fed7d7;
  color: #c53030;
  border: 1px solid #feb2b2;
}

/* ===== 住宿登记布局 ===== */
.calendar-layout {
  display: flex;
  flex-direction: column;
  height: 100%;
}

.calendar-toolbar {
  display: flex;
  align-items: center;
  justify-content: flex-start;
  padding: 12px 16px;
  background: var(--panel);
  border-bottom: 1px solid var(--border);
  flex-shrink: 0;
  gap: 12px;
}

.clubhouse-tabs,
.view-switcher {
  display: flex;
  border: 1px solid var(--border);
  border-radius: 8px;
  overflow: hidden;
}

.view-switcher {
  margin-left: auto;
}

.clubhouse-btn,
.view-btn {
  border: none;
  background: var(--panel);
  padding: 6px 16px;
  font-size: 13px;
  cursor: pointer;
  color: var(--text-muted);
  transition: background .15s, color .15s;
}

.clubhouse-btn:not(:last-child),
.view-btn:not(:last-child) {
  border-right: 1px solid var(--border);
}

.clubhouse-btn.active,
.view-btn.active {
  background: var(--accent);
  color: #fff;
}

.clubhouse-btn:hover:not(.active),
.view-btn:hover:not(.active) {
  background: #edf2f7;
}

.calendar-stats {
  display: flex;
  gap: 8px;
  flex-shrink: 0;
  align-items: center;
}

.stat-card {
  background: var(--panel);
  border: 1px solid var(--border);
  border-radius: 8px;
  padding: 4px 10px;
  min-width: auto;
  display: flex;
  align-items: center;
  gap: 6px;
}

.stat-value {
  font-size: 16px;
  font-weight: 700;
  color: var(--accent);
  line-height: 1;
}

.stat-label {
  font-size: 11px;
  color: var(--text-muted);
}

/* ========== Accounting Tab ========== */
.accounting-toolbar {
  padding: 12px 16px;
  background: var(--bg);
  border-bottom: 1px solid var(--border);
}

.accounting-summary {
  display: flex;
  gap: 12px;
  flex-wrap: wrap;
}

.accounting-summary .stat-card {
  padding: 8px 14px;
  min-width: 120px;
}

.accounting-layout {
  height: 100%;
  overflow-y: auto;
}

.accounting-main {
  padding: 16px;
}

#accounting-table-wrapper {
  overflow-x: auto;
}

#accounting-table th,
#accounting-table td {
  white-space: nowrap;
  text-align: right;
}

#accounting-table th:first-child,
#accounting-table td:first-child {
  text-align: left;
}

#accounting-table th:last-child,
#accounting-table td:last-child {
  text-align: center;
}

#accounting-table th.sortable {
  cursor: pointer;
  user-select: none;
}

#accounting-table th.sortable:hover {
  background: var(--hover);
}

#accounting-table th.sortable.sorted {
  color: var(--accent);
}

/* ========== Accounting Sub Nav ========== */
.accounting-sub-nav {
  display: flex;
  gap: 4px;
  margin-bottom: 12px;
}

.accounting-sub-nav .sub-nav-btn {
  padding: 6px 14px;
  font-size: 13px;
  border: 1px solid var(--border);
  border-radius: 6px;
  background: var(--panel);
  color: var(--text-muted);
  cursor: pointer;
  transition: all 0.15s;
}

.accounting-sub-nav .sub-nav-btn:hover {
  border-color: var(--accent);
  color: var(--accent);
}

.accounting-sub-nav .sub-nav-btn.active {
  background: var(--accent);
  color: #fff;
  border-color: var(--accent);
}

/* ========== Pivot Dimension Switch ========== */
.pivot-dim-switch {
  display: flex;
  gap: 4px;
}

.pivot-dim-switch .dim-btn {
  padding: 5px 12px;
  font-size: 12px;
  border: 1px solid var(--border);
  border-radius: 4px;
  background: var(--panel);
  color: var(--text-muted);
  cursor: pointer;
}

.pivot-dim-switch .dim-btn.active {
  background: var(--accent);
  color: #fff;
  border-color: var(--accent);
}

/* ========== Pivot Table Grouping ========== */
.pivot-group-header td {
  background: #eef2f7;
  font-weight: 600;
  color: var(--text-main);
  border-top: 2px solid var(--border);
}

.pivot-group-subtotal td {
  background: #f8fafc;
  font-weight: 600;
  color: var(--text-main);
  border-bottom: 2px solid var(--border);
}

.pivot-grand-total td {
  background: var(--accent);
  color: #fff;
  font-weight: 700;
}

.pivot-grand-total td:first-child {
  border-radius: 4px 0 0 4px;
}

.pivot-grand-total td:last-child {
  border-radius: 0 4px 4px 0;
}

/* ========== User Manage Panel ========== */
#user-manage-panel {
  width: 520px;
  max-width: 95vw;
}

#user-manage-panel .detail-content {
  max-height: calc(100vh - 140px);
  overflow-y: auto;
  display: flex;
  flex-direction: column;
  gap: 24px;
}

.user-list .data-table {
  width: 100%;
  font-size: 13px;
}

.user-list .data-table th,
.user-list .data-table td {
  padding: 8px 10px;
  text-align: left;
  border-bottom: 1px solid var(--border);
}

.user-list .data-table th {
  background: #f8fafc;
  font-weight: 600;
  color: var(--text-muted);
}

.user-add-form h3 {
  font-size: 15px;
  margin-bottom: 12px;
  color: var(--text);
}

/* ========== Change Password Panel ========== */
#change-password-panel {
  width: 420px;
  max-width: 95vw;
}

#change-password-panel .detail-content {
  max-height: calc(100vh - 140px);
  overflow-y: auto;
}

/* ========== Person Detail Panel ========== */
#person-detail-panel {
  width: 720px;
  max-width: 95vw;
}

#person-detail-panel .detail-content {
  max-height: calc(100vh - 140px);
  overflow-y: auto;
}

.btn-xs {
  padding: 2px 8px;
  font-size: 11px;
  border-radius: 4px;
  border: none;
  cursor: pointer;
}

.calendar-main {
  flex: 1;
  overflow-y: auto;
  padding: 16px;
  background: var(--bg);
}

/* ===== 滚动条 ===== */
::-webkit-scrollbar {
  width: 8px;
  height: 8px;
}

::-webkit-scrollbar-thumb {
  background: #cbd5e0;
  border-radius: 4px;
}

::-webkit-scrollbar-track { background: transparent; }

/* ===== 响应式 ===== */
@media (max-width: 768px) {
  .master-layout { flex-direction: column; }
  .master-sidebar {
    width: 100%;
    border-right: none;
    border-bottom: 1px solid var(--border);
    padding: 10px;
  }
  .sidebar-menu {
    flex-direction: row;
    flex-wrap: wrap;
  }
  .sidebar-btn {
    width: auto;
    white-space: nowrap;
  }
  .detail-panel {
    width: 100%;
    max-width: 100%;
    height: 88vh;
    top: auto;
    bottom: 0;
    right: 0;
    left: 0;
    border-radius: 12px 12px 0 0;
    box-shadow: 0 -4px 20px rgba(0,0,0,0.15);
  }
  .detail-panel.hidden { transform: translateY(100%); }
  .occupancy-panel-content {
    flex-direction: column;
  }
  .occ-panel-left, .occ-panel-right {
    max-height: 50vh;
    border-right: none;
    border-bottom: 1px solid var(--border);
  }
  .toolbar { flex-wrap: wrap; height: auto; min-height: 52px; padding: 8px 10px; }
  .toolbar-center { order: 3; flex: 1 1 100%; justify-content: flex-start; margin-top: 4px; }
  .tab-btn { padding: 5px 12px; font-size: 13px; }
}

/* ===== 日历子视图导航 ===== */
.calendar-sub-nav {
  display: flex;
  gap: 4px;
  padding: 0;
  background: var(--bg);
  flex-shrink: 0;
}

.sub-view-btn {
  border: 1px solid var(--border);
  background: var(--panel);
  padding: 5px 14px;
  border-radius: 6px;
  font-size: 13px;
  color: var(--text-muted);
  cursor: pointer;
  transition: background .15s, color .15s;
}

.sub-view-btn.active {
  background: var(--accent);
  color: #fff;
  border-color: var(--accent);
}

.sub-view-btn:hover:not(.active) { background: #edf2f7; }

/* ===== 日历导航 ===== */
.calendar-nav {
  display: flex;
  align-items: center;
  justify-content: flex-start;
  gap: 12px;
  padding: 12px 16px;
  background: var(--bg);
  flex-shrink: 0;
}

.calendar-nav .calendar-sub-nav {
  flex-shrink: 0;
}

.calendar-nav .calendar-nav-title {
  margin-left: auto;
  margin-right: auto;
}

.calendar-nav-title {
  font-size: 16px;
  font-weight: 600;
  min-width: 140px;
  text-align: center;
}

/* ===== 月视图 ===== */
.month-grid-scroll {
  overflow-x: auto;
  margin: 0 0 16px;
}
.month-grid {
  display: grid;
  grid-template-columns: repeat(7, minmax(120px, 1fr));
  gap: 1px;
  background: var(--border);
  border: 1px solid var(--border);
  border-radius: 8px;
  overflow: hidden;
  min-width: 100%;
}

.month-header {
  background: #fafbfc;
  padding: 8px;
  text-align: center;
  font-size: 12px;
  font-weight: 600;
  color: var(--text-muted);
}

.month-cell {
  background: var(--panel);
  min-height: 90px;
  padding: 6px;
  cursor: pointer;
  transition: background .1s;
  position: relative;
}

.month-cell:hover { background: #f8f9fa; }
.month-cell.empty { background: #f5f7fa; cursor: default; }
.month-cell.today { background: #ebf8ff; }
.month-cell.today .month-cell-date { color: var(--accent); font-weight: 700; }

.month-cell-date {
  font-size: 13px;
  font-weight: 500;
  margin-bottom: 4px;
}

.month-room-list {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 2px;
}

.month-room-card {
  display: flex;
  align-items: center;
  padding: 2px 6px;
  border-radius: 4px;
  font-size: 11px;
  line-height: 1.4;
  cursor: pointer;
  border: 1px solid #cbd5e0;
  background: transparent;
  transition: background .1s;
  min-width: 0;
  overflow: hidden;
}

.month-room-card:hover {
  background: #edf2f7;
}

.month-room-card.empty {
  background: transparent;
  border-color: #cbd5e0;
}

.month-room-card.partial {
  background: linear-gradient(to right, #e2e8f0 50%, transparent 50%);
  border-color: #cbd5e0;
}

.month-room-card.full {
  background: #e2e8f0;
  border-color: #cbd5e0;
}

.month-room-card.checkin {
  box-shadow: inset 0 0 0 1.5px #38a169;
}

.month-room-card.checkout {
  box-shadow: inset 0 0 0 1.5px #e53e3e;
}

.month-room-card.checkin.checkout {
  box-shadow: inset 0 0 0 1.5px #38a169, inset 0 0 0 3px #e53e3e;
}

.month-room-name {
  display: block;
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
  max-width: 100%;
}

/* ===== 周视图 ===== */
.week-grid {
  display: grid;
  grid-template-columns: 140px repeat(7, 1fr);
  gap: 1px;
  background: var(--border);
  border: 1px solid var(--border);
  margin: 0 0 16px;
  border-radius: 8px;
  overflow: hidden;
  overflow-x: auto;
}

.week-room-header, .week-day-header {
  background: #fafbfc;
  padding: 10px 8px;
  text-align: center;
  font-size: 12px;
  font-weight: 600;
  color: var(--text-muted);
}

.week-day-header { cursor: pointer; transition: background .1s; }
.week-day-header:hover { background: #edf2f7; }
.week-day-header.today { background: #ebf8ff; color: var(--accent); }

.week-day-dow { font-size: 11px; }
.week-day-num { font-size: 16px; font-weight: 600; margin: 2px 0; }
.week-day-occ { font-size: 11px; color: var(--text-muted); }

.week-room-name {
  background: var(--panel);
  padding: 10px 12px;
  font-size: 13px;
  font-weight: 500;
  display: flex;
  align-items: center;
  gap: 4px;
}

.week-room-cap { font-size: 11px; color: var(--text-muted); font-weight: 400; }

.week-cell {
  background: var(--panel);
  padding: 8px;
  min-height: 60px;
  cursor: pointer;
  transition: background .1s;
}

.week-cell:hover { background: #f8f9fa; }
.week-cell.today { background: #ebf8ff; }
.week-cell.full { background: #fff5f5; }

.week-cell-badges {
  display: flex;
  gap: 3px;
  margin-bottom: 4px;
}

.badge-in, .badge-out {
  font-size: 9px;
  padding: 1px 4px;
  border-radius: 3px;
  font-weight: 600;
}
.badge-in { background: #c6f6d5; color: #22543d; }
.badge-out { background: #fed7d7; color: #c53030; }

.week-cell-occs {
  display: flex;
  flex-direction: column;
  gap: 2px;
}

.week-occ-tag {
  font-size: 11px;
  padding: 2px 6px;
  border-radius: 4px;
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
}

.week-empty {
  font-size: 12px;
  color: var(--text-muted);
}

/* ===== 日视图 ===== */
.day-view {
  padding: 0 0 16px;
  overflow-y: auto;
}

.day-summary {
  display: flex;
  gap: 20px;
  padding: 12px;
  background: var(--panel);
  border: 1px solid var(--border);
  border-radius: 8px;
  margin-bottom: 16px;
  font-size: 14px;
}

.day-summary span { color: var(--text-muted); }
.day-summary b { color: var(--text); }

.day-room-card {
  background: var(--panel);
  border: 1px solid var(--border);
  border-radius: 8px;
  padding: 14px 16px;
  margin-bottom: 12px;
  cursor: pointer;
  transition: box-shadow .15s, border-color .15s;
}

.day-room-card:hover {
  border-color: var(--accent);
  box-shadow: 0 2px 8px rgba(49, 130, 206, 0.1);
}

.day-room-card.full { border-left: 3px solid var(--danger); }

.day-room-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-bottom: 8px;
}

.day-room-name { font-size: 14px; font-weight: 600; }

.day-room-meta {
  display: flex;
  align-items: center;
  gap: 8px;
}

.day-room-cap {
  font-size: 12px;
  color: var(--text-muted);
}

.day-room-bar {
  height: 6px;
  background: #e2e8f0;
  border-radius: 3px;
  margin-bottom: 10px;
  overflow: hidden;
}

.day-room-bar-fill {
  height: 100%;
  border-radius: 3px;
  transition: width .3s;
}

.bar-low { background: #48bb78; }
.bar-mid { background: #ed8936; }
.bar-high { background: #e53e3e; }
.bar-full { background: var(--danger); }

.day-room-occs {
  display: flex;
  flex-direction: column;
  gap: 6px;
}

.day-room-empty {
  font-size: 13px;
  color: var(--text-muted);
}

.day-occ-item {
  display: flex;
  align-items: center;
  gap: 8px;
  font-size: 13px;
}

.day-occ-dot {
  width: 10px;
  height: 10px;
  border-radius: 50%;
  flex-shrink: 0;
}

.day-occ-name { font-weight: 500; }

.day-occ-type {
  font-size: 12px;
  color: var(--text-muted);
}

.day-occ-badge {
  font-size: 10px;
  padding: 2px 6px;
  border-radius: 4px;
  font-weight: 600;
}

.day-occ-badge.cin { background: #c6f6d5; color: #22543d; }
.day-occ-badge.cout { background: #fed7d7; color: #c53030; }

.day-occ-item.checkout {
  background: #fff5f5;
  border: 1px solid #feb2b2;
  border-radius: 6px;
  padding: 4px 8px;
  margin-top: 2px;
}

/* ===== 响应式日历 ===== */
@media (max-width: 768px) {
  .month-grid { margin: 0 0 8px; }
  .month-cell { min-height: 60px; padding: 4px; }
  .month-cell-date { font-size: 12px; }
  .month-room-card { font-size: 9px; padding: 1px 3px; }

  .week-grid { grid-template-columns: 100px repeat(7, 1fr); margin: 0 0 8px; }
  .week-room-name { padding: 6px 8px; font-size: 11px; }
  .week-cell { padding: 4px; min-height: 40px; }
  .week-occ-tag { font-size: 9px; }

  .day-summary { flex-wrap: wrap; gap: 10px; }
}

/* ============ 一览视图 ============ */
.list-view { padding: 16px 0; }

.list-filter-bar {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  padding: 12px 16px;
  background: var(--panel);
  border: 1px solid var(--border);
  border-radius: 8px;
  margin-bottom: 12px;
  align-items: flex-end;
}

.list-filter-group {
  display: flex;
  flex-direction: column;
  gap: 4px;
}

.list-filter-group label {
  font-size: 12px;
  color: var(--muted);
  font-weight: 500;
}

.list-filter-select,
.list-filter-input {
  padding: 6px 10px;
  border: 1px solid var(--border);
  border-radius: 6px;
  background: var(--bg);
  color: var(--text);
  font-size: 13px;
  min-width: 120px;
}

.list-filter-search {
  flex: 1;
  min-width: 180px;
}

.list-filter-search input {
  width: 100%;
}

.list-summary {
  padding: 0 4px 8px;
  font-size: 13px;
  color: var(--muted);
}

.list-table-wrap {
  background: var(--panel);
  border: 1px solid var(--border);
  border-radius: 8px;
  overflow-x: auto;
}

.list-table {
  width: 100%;
  border-collapse: collapse;
  font-size: 13px;
}

.list-table thead th {
  background: var(--bg);
  padding: 10px 12px;
  text-align: left;
  font-weight: 600;
  color: var(--text);
  border-bottom: 1px solid var(--border);
  white-space: nowrap;
  user-select: none;
}

.list-table thead th.list-sortable {
  cursor: pointer;
  transition: background .1s;
}

.list-table thead th.list-sortable:hover {
  background: var(--hover);
}

.list-table tbody td {
  padding: 10px 12px;
  border-bottom: 1px solid var(--border-light);
  color: var(--text);
}

.list-table tbody tr:hover {
  background: var(--hover);
}

.list-table tbody tr:last-child td {
  border-bottom: none;
}

.list-table th.list-col-action,
.list-table td.list-col-action {
  position: sticky;
  right: 0;
  background: var(--panel);
  z-index: 2;
  box-shadow: -2px 0 4px rgba(0,0,0,0.05);
  border-left: 1px solid var(--border);
  min-width: 140px;
}

.list-table thead th.list-col-action {
  background: var(--bg);
}

.list-action-btns {
  display: flex;
  gap: 4px;
  flex-wrap: nowrap;
}

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

.list-amount {
  font-family: var(--font-mono);
  text-align: right;
  white-space: nowrap;
}

.list-note {
  color: var(--muted);
  font-size: 12px;
  max-width: 200px;
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
}

.occ-type-dot {
  display: inline-block;
  width: 8px;
  height: 8px;
  border-radius: 50%;
  margin-right: 6px;
  vertical-align: middle;
}

@media (max-width: 900px) {
  .list-filter-bar {
    flex-direction: column;
    align-items: stretch;
  }
  .list-filter-group {
    width: 100%;
  }
  .list-filter-select,
  .list-filter-input {
    width: 100%;
  }
  .list-table { font-size: 12px; }
  .list-table thead th,
  .list-table tbody td {
    padding: 8px 10px;
  }
}

/* ---------- 房间日历视图 (Room Calendar) ---------- */
.room-calendar-panel {
  width: 900px;
  max-width: 95vw;
}

.room-calendar-body {
  display: flex;
  height: calc(100vh - 60px);
  overflow: hidden;
}

.room-calendar-sidebar {
  width: 260px;
  min-width: 260px;
  border-right: 1px solid var(--border);
  display: flex;
  flex-direction: column;
  background: #f8fafc;
}

.sidebar-section {
  padding: 16px;
  flex: 1;
  overflow-y: auto;
}

.sidebar-title {
  font-size: 14px;
  font-weight: 600;
  color: var(--text);
  margin-bottom: 12px;
}

.room-guest-list {
  display: flex;
  flex-direction: column;
  gap: 6px;
}

.room-guest-item {
  display: flex;
  align-items: center;
  gap: 8px;
  padding: 8px 10px;
  border-radius: 6px;
  cursor: pointer;
  transition: background 0.15s;
  border: 2px solid transparent;
}

.room-guest-item:hover {
  background: #e2e8f0;
}

.room-guest-item.selected {
  background: #dbeafe;
  border-color: #3b82f6;
}

.room-guest-info {
  flex: 1;
  min-width: 0;
}

.room-guest-name {
  font-size: 13px;
  font-weight: 500;
  color: var(--text);
}

.room-guest-range {
  font-size: 11px;
  color: var(--text-muted);
}

.sidebar-info-bar {
  padding: 12px 16px;
  background: #fffbeb;
  border-top: 1px solid #fcd34d;
  border-bottom: 1px solid #fcd34d;
  font-size: 13px;
}

.sidebar-actions {
  padding: 12px 16px;
  display: flex;
  flex-direction: column;
  gap: 8px;
}

.sidebar-footer {
  padding: 12px 16px;
  border-top: 1px solid var(--border);
  display: flex;
  gap: 8px;
}

.sidebar-footer .btn-secondary,
.sidebar-footer .btn-primary {
  flex: 1;
}

.room-calendar-main {
  flex: 1;
  overflow-y: auto;
  padding: 16px;
  background: #fff;
}

.room-calendar-months {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 16px;
}

@media (max-width: 900px) {
  .room-calendar-months {
    grid-template-columns: repeat(2, 1fr);
  }
}

.month-block {
  border: 1px solid var(--border);
  border-radius: 8px;
  padding: 10px;
  background: var(--panel);
}

.month-title {
  font-size: 14px;
  font-weight: 600;
  text-align: center;
  margin-bottom: 8px;
  color: var(--text);
}

.week-header {
  display: grid;
  grid-template-columns: repeat(7, 1fr);
  text-align: center;
  font-size: 11px;
  color: var(--text-muted);
  margin-bottom: 4px;
}

.day-grid {
  display: grid;
  grid-template-columns: repeat(7, 1fr);
  gap: 3px;
}

.day-cell {
  aspect-ratio: 1;
  border-radius: 4px;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  font-size: 12px;
  border: 1px solid transparent;
  position: relative;
  user-select: none;
  transition: transform 0.1s, border-color 0.15s;
}

.day-cell:hover {
  transform: scale(1.05);
  z-index: 1;
}

.day-empty {
  background: transparent;
  pointer-events: none;
}

.day-outside {
  background: #f1f5f9;
  color: #94a3b8;
  pointer-events: none;
}

.day-free {
  background: #f8fafc;
  border-color: #e2e8f0;
  color: var(--text);
}

.day-free:hover {
  background: #dbeafe;
  border-color: #3b82f6;
}

.day-occupied {
  background: #fef3c7;
  border-color: #f59e0b;
  color: #92400e;
}

.day-selected {
  background: #dbeafe;
  border-color: #3b82f6;
  color: #1e40af;
  font-weight: 600;
  box-shadow: 0 0 0 2px #3b82f6;
}

.day-full {
  background: #fee2e2;
  border-color: #ef4444;
  color: #991b1b;
  pointer-events: none;
}

.day-payment {
  background-image: repeating-linear-gradient(
    45deg,
    transparent,
    transparent 4px,
    rgba(220, 38, 38, 0.1) 4px,
    rgba(220, 38, 38, 0.1) 8px
  );
}

.day-today {
  font-weight: 700;
}

.day-today .day-num::after {
  content: '';
  display: block;
  width: 4px;
  height: 4px;
  background: #ef4444;
  border-radius: 50%;
  margin: 2px auto 0;
}

.day-num {
  line-height: 1.2;
}

.day-badge {
  font-size: 9px;
  color: inherit;
  opacity: 0.7;
}

.btn-block {
  width: 100%;
}

.new-guest-form {
  padding: 10px;
  margin-bottom: 8px;
  background: #f8fafc;
  border: 1px solid var(--border);
  border-radius: 8px;
}

.new-guest-form .form-row {
  margin-bottom: 8px;
}

.new-guest-form .form-row:last-child {
  margin-bottom: 0;
}