/* ============ 排课中心 v2 样式 ============ */

.schedule-v2-page {
  display: flex;
  flex-direction: column;
  height: calc(100vh - 120px);
  background: #f5f6fa;
  font-family: var(--font-family, "PingFang SC", "Microsoft YaHei", sans-serif);
}

/* --- 工具栏 --- */
.schedule-v2-toolbar {
  display: flex;
  align-items: center;
  gap: 12px;
  padding: 10px 16px;
  background: #fff;
  border-bottom: 1px solid var(--gray-light, #e9ecef);
  flex-wrap: wrap;
  z-index: 10;
}

.sv2-toolbar-group {
  display: flex;
  align-items: center;
  gap: 6px;
}

.sv2-toolbar-group > label {
  font-size: 12px;
  color: #888;
  white-space: nowrap;
  font-weight: 500;
}

.sv2-select,
.sv2-input {
  padding: 5px 10px;
  border: 1px solid #ddd;
  border-radius: var(--radius-sm, 6px);
  font-size: 13px;
  background: #fff;
  color: #333;
  outline: none;
  transition: border-color var(--transition-fast, .15s);
}

.sv2-select:focus,
.sv2-input:focus {
  border-color: var(--primary, #F18D24);
  box-shadow: 0 0 0 2px rgba(241, 141, 36, 0.15);
}

.sv2-toolbar-divider {
  width: 1px;
  height: 24px;
  background: #e0e0e0;
  margin: 0 4px;
}

.sv2-toolbar-spacer {
  flex: 1;
}

.sv2-toolbar-actions {
  display: flex;
  gap: 8px;
}

.sv2-view-btn,
.sv2-mode-btn {
  padding: 4px 10px;
  font-size: 12px;
  border-radius: 4px;
  border: 1px solid #ddd;
  background: #fff;
  cursor: pointer;
  transition: all var(--transition-fast, .15s);
}

.sv2-view-btn.active,
.sv2-mode-btn.active {
  background: var(--primary, #F18D24);
  color: #fff;
  border-color: var(--primary, #F18D24);
}

.sv2-view-btn:hover:not(.active),
.sv2-mode-btn:hover:not(.active) {
  background: var(--primary-light, #fce6c8);
  border-color: var(--primary, #F18D24);
}

/* --- 主内容区 --- */
.schedule-v2-main {
  display: flex;
  flex: 1;
  overflow: hidden;
}

/* --- 左侧面板 --- */
.schedule-v2-sidebar {
  width: 200px;
  min-width: 200px;
  background: #fff;
  border-right: 1px solid #e0e0e0;
  overflow-y: auto;
  padding: 12px;
}

.sv2-sidebar-section {
  margin-bottom: 16px;
}

.sv2-sidebar-section h4 {
  font-size: 12px;
  font-weight: 600;
  color: #666;
  margin: 0 0 8px;
  padding-bottom: 6px;
  border-bottom: 1px solid #f0f0f0;
}

.sv2-sidebar-list {
  display: flex;
  flex-direction: column;
  gap: 4px;
}

.sv2-sidebar-item {
  display: flex;
  align-items: center;
  gap: 6px;
  padding: 6px 8px;
  border-radius: 4px;
  font-size: 12px;
  cursor: pointer;
  transition: background var(--transition-fast, .15s);
}

.sv2-sidebar-item:hover {
  background: #f0f6ff;
}

.sv2-item-dot {
  width: 8px;
  height: 8px;
  border-radius: 50%;
  flex-shrink: 0;
}

.teacher-dot { background: #42A5F5; }
.classroom-dot { background: #66BB6A; }

.sv2-item-capacity {
  margin-left: auto;
  font-size: 11px;
  color: #999;
}

.sv2-sidebar-empty {
  font-size: 12px;
  color: #bbb;
  text-align: center;
  padding: 12px;
}

/* --- 课表网格 --- */
.schedule-v2-grid {
  flex: 1;
  overflow: auto;
  background: #fafafa;
}

.sv2-grid-scroll {
  min-width: 900px;
  overflow-x: auto;
}

.sv2-grid-table {
  border-collapse: collapse;
  width: 100%;
  table-layout: fixed;
}

.sv2-grid-table th {
  background: #fff;
  border-bottom: 2px solid #e0e0e0;
  padding: 8px 4px;
  font-size: 12px;
  font-weight: 600;
  text-align: center;
  position: sticky;
  top: 0;
  z-index: 5;
  color: #555;
}

.sv2-grid-table th small {
  font-weight: 400;
  color: #999;
  font-size: 10px;
}

.sv2-time-col {
  width: 55px;
  color: #888 !important;
}

.sv2-grid-table td {
  border: 1px solid #eee;
  padding: 1px;
  vertical-align: top;
}

.sv2-time-label {
  font-size: 10px;
  color: #aaa;
  text-align: right;
  padding-right: 6px !important;
  background: #fafafa;
  width: 55px;
}

.sv2-resource-header td {
  background: #f5f5f5 !important;
  font-weight: 600;
  font-size: 12px;
  padding: 5px 8px !important;
  color: #444;
  border-bottom: 1px solid #ddd;
}

.sv2-empty-slot {
  background: #fdfdfd;
  cursor: pointer;
  transition: background 0.15s;
  height: 22px;
}

.sv2-empty-slot:hover {
  background: #e8f4fd;
}

.sv2-has-schedule {
  background: #fff;
  cursor: pointer;
}

/* --- 排课卡片 --- */
.sv2-schedule-card {
  background: #fff;
  border-radius: 4px;
  padding: 3px 6px;
  font-size: 11px;
  cursor: pointer;
  transition: box-shadow 0.15s, transform 0.1s;
  user-select: none;
  border-left-width: 4px;
  border-left-style: solid;
  overflow: hidden;
}

.sv2-schedule-card:hover {
  box-shadow: 0 2px 8px rgba(0,0,0,0.12);
}

.sv2-schedule-card:active {
  transform: scale(0.97);
}

.sv2-schedule-card.dragging {
  opacity: 0.5;
}

.sv2-card-course {
  font-weight: 600;
  display: block;
  margin-bottom: 1px;
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
}

.sv2-card-teacher {
  color: #777;
  font-size: 10px;
  display: block;
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
}

.sv2-card-count {
  color: #aaa;
  font-size: 10px;
  float: right;
}

/* 课程色条 */
.sv2-schedule-card.piano     { border-left-color: #2196F3; }
.sv2-schedule-card.drums     { border-left-color: #FF9800; }
.sv2-schedule-card.guitar    { border-left-color: #4CAF50; }
.sv2-schedule-card.vocal     { border-left-color: #9C27B0; }
.sv2-schedule-card.dance     { border-left-color: #E91E63; }
.sv2-schedule-card.theory    { border-left-color: #607D8B; }
.sv2-schedule-card.makeup    { border-left-color: #FF5722; border-left-style: dashed; }
.sv2-schedule-card.trial     { border-left-color: #00BCD4; }
.sv2-schedule-card.default   { border-left-color: #bbb; }

/* --- 右侧冲突面板 --- */
.schedule-v2-conflicts {
  width: 260px;
  min-width: 260px;
  background: #fff;
  border-left: 1px solid #e0e0e0;
  display: flex;
  flex-direction: column;
  transition: width 0.25s;
}

.sv2-conflicts-collapsed {
  width: 40px;
  min-width: 40px;
}

.sv2-conflicts-collapsed .sv2-conflict-body,
.sv2-conflicts-collapsed .sv2-conflict-header h4 {
  display: none;
}

.sv2-conflict-header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 12px;
  border-bottom: 1px solid #eee;
}

.sv2-conflict-header h4 {
  margin: 0;
  font-size: 13px;
  font-weight: 600;
}

.sv2-conflict-body {
  flex: 1;
  overflow-y: auto;
  padding: 8px;
}

.sv2-conflict-empty {
  text-align: center;
  color: #aaa;
  padding: 24px 12px;
  font-size: 13px;
}

.sv2-conflict-item {
  display: flex;
  align-items: flex-start;
  gap: 8px;
  padding: 8px;
  border-radius: 6px;
  margin-bottom: 4px;
  font-size: 12px;
}

.sv2-conflict-error {
  background: #fff0f0;
  border: 1px solid #ffcdd2;
}

.sv2-conflict-warning {
  background: #fff8e1;
  border: 1px solid #ffe082;
}

.sv2-conflict-info {
  background: #e8f4fd;
  border: 1px solid #bbdefb;
}

.sv2-conflict-icon {
  font-size: 16px;
  flex-shrink: 0;
}

.sv2-conflict-info strong {
  display: block;
  margin-bottom: 2px;
}

.sv2-conflict-info small {
  color: #999;
}

/* --- 底部信息栏 --- */
.sv2-footer {
  display: flex;
  gap: 24px;
  padding: 8px 16px;
  background: #fff;
  border-top: 1px solid #e0e0e0;
  font-size: 12px;
  color: #666;
}

.sv2-footer strong {
  color: var(--primary, #F18D24);
  font-size: 15px;
}

/* --- 弹窗 --- */
.sv2-modal-overlay {
  position: fixed;
  top: 0; left: 0; right: 0; bottom: 0;
  background: rgba(0,0,0,0.5);
  z-index: 2000;
  display: flex;
  align-items: center;
  justify-content: center;
}

.sv2-modal {
  background: #fff;
  border-radius: var(--radius-md, 10px);
  width: 520px;
  max-height: 85vh;
  display: flex;
  flex-direction: column;
  box-shadow: var(--shadow-xl, 0 20px 60px rgba(0,0,0,0.3));
}

.sv2-modal-lg {
  width: 700px;
}

.sv2-modal-header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 14px 20px;
  border-bottom: 1px solid #eee;
}

.sv2-modal-header h3 {
  margin: 0;
  font-size: 16px;
}

.sv2-modal-close {
  background: none;
  border: none;
  font-size: 24px;
  cursor: pointer;
  color: #999;
  line-height: 1;
}

.sv2-modal-close:hover { color: #333; }

.sv2-modal-body {
  flex: 1;
  overflow-y: auto;
  padding: 20px;
}

.sv2-modal-footer {
  display: flex;
  justify-content: flex-end;
  gap: 8px;
  padding: 12px 20px;
  border-top: 1px solid #eee;
}

/* --- 表单 --- */
.sv2-form {
  display: flex;
  flex-direction: column;
  gap: 14px;
}

.sv2-form-row {
  display: flex;
  flex-direction: column;
  gap: 4px;
}

.sv2-form-row > label {
  font-size: 13px;
  font-weight: 500;
  color: #555;
}

.sv2-form-row-2col {
  flex-direction: row;
  gap: 12px;
}

.sv2-form-row-2col > div {
  flex: 1;
  display: flex;
  flex-direction: column;
  gap: 4px;
}

.sv2-form .sv2-select,
.sv2-form .sv2-input {
  width: 100%;
  padding: 8px 10px;
}

.sv2-checkbox-group {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
}

.sv2-checkbox-label {
  display: flex;
  align-items: center;
  gap: 4px;
  font-size: 13px;
  cursor: pointer;
  padding: 4px 10px;
  border: 1px solid #ddd;
  border-radius: 4px;
  transition: all var(--transition-fast, .15s);
}

.sv2-checkbox-label:hover {
  border-color: var(--primary, #F18D24);
  background: var(--primary-light, #fce6c8);
}

.sv2-checkbox-label input[type="checkbox"] {
  accent-color: var(--primary, #F18D24);
}

/* --- 批量排课 --- */
.sv2-batch-summary {
  padding: 16px;
}

.sv2-batch-info {
  background: #f8f9fa;
  border-radius: 8px;
  padding: 16px;
  margin-bottom: 12px;
}

.sv2-batch-info p {
  margin: 4px 0;
  font-size: 14px;
}

.sv2-batch-warning {
  background: #fff3cd;
  border: 1px solid #ffc107;
  border-radius: 8px;
  padding: 12px;
  font-size: 13px;
  color: #856404;
}

/* --- 日视图 --- */
.sv2-daily-table th {
  min-width: 100px;
}

/* --- 响应式 --- */
@media (max-width: 1200px) {
  .schedule-v2-conflicts { display: none; }
  .schedule-v2-sidebar { width: 160px; min-width: 160px; }
}

@media (max-width: 768px) {
  .schedule-v2-sidebar { display: none; }
  .sv2-toolbar-group > label { display: none; }
  .schedule-v2-toolbar { gap: 6px; padding: 8px; }
}