/* === Stats Cards === */
.stu-stats {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 16px;
  margin-bottom: 16px;
}

.stu-stat-card {
  background: var(--white);
  border-radius: var(--radius);
  box-shadow: var(--shadow);
  padding: 16px 20px;
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 4px;
  border: 2px solid transparent;
  transition: box-shadow .15s, border-color .15s, transform .1s;
}

.stu-stat-card.warn .stu-stat-num { color: #ef4444; }

.stu-stat-card:hover {
  box-shadow: 0 4px 14px rgba(0,0,0,.1);
  transform: translateY(-1px);
}

.stu-stat-card.stat-card-active {
  border-color: var(--primary);
  background: rgba(79, 110, 247, 0.08);
}

.stu-stat-num {
  font-size: 28px;
  font-weight: 700;
  color: var(--primary);
}

.stu-stat-label {
  font-size: 13px;
  color: var(--text-light);
}

/* === Toolbar === */
.stu-toolbar {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 12px;
  margin-bottom: 16px;
  flex-wrap: wrap;
}

.stu-toolbar-left {
  display: flex;
  gap: 8px;
  flex-wrap: wrap;
  flex: 1;
}

.stu-search { max-width: 240px; }

.form-select {
  padding: 8px 10px;
  border: 1px solid #d1d5db;
  border-radius: 6px;
  font-size: 13px;
  color: var(--text);
  background: var(--white);
  outline: none;
  cursor: pointer;
  font-family: inherit;
}

.form-select:focus { border-color: var(--primary); }

/* === Table extras === */
.stu-table th, .stu-table td { font-size: 12px; padding: 8px 10px; }

.stu-table .row-warn { background: #fff5f5; }

.level-tag {
  display: inline-block;
  padding: 2px 8px;
  border-radius: 10px;
  font-size: 11px;
  font-weight: 500;
}

.level-高起专 { background: #dbeafe; color: #2563eb; }
.level-专升本 { background: #ede9fe; color: #7c3aed; }
.level-高起本 { background: #fce7f3; color: #be185d; }
.level-中专  { background: #f3f4f6; color: #6b7280; }
/* 兼容旧数据 */
.level-专科  { background: #dbeafe; color: #2563eb; }
.level-本科  { background: #ede9fe; color: #7c3aed; }

.svc-icon { font-size: 14px; }

.btn-link {
  background: none;
  border: none;
  color: var(--primary);
  cursor: pointer;
  font-size: 12px;
  padding: 2px 6px;
  font-family: inherit;
}

.btn-link:hover { text-decoration: underline; }
.btn-link.danger { color: #ef4444; }

.btn-copy-sm { background:none;border:none;cursor:pointer;font-size:11px;padding:0 2px;vertical-align:middle;opacity:0.6; }
.btn-copy-sm:hover { opacity:1; }
.vas-acc { font-size:12px;font-family:monospace; }

/* === Pagination === */
.stu-pagination {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 4px;
  padding: 12px;
}

.stu-pagination button {
  padding: 5px 12px;
  border: 1px solid #d1d5db;
  background: var(--white);
  border-radius: 4px;
  font-size: 12px;
  cursor: pointer;
  font-family: inherit;
}

.stu-pagination button.active {
  background: var(--primary);
  color: #fff;
  border-color: var(--primary);
}

.stu-pagination button:disabled { opacity: 0.4; cursor: default; }

/* === Modal === */
.stu-modal-box {
  max-width: 750px;
  width: 95%;
  max-height: 90vh;
  overflow-y: auto;
}

.modal-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-bottom: 16px;
  padding-bottom: 12px;
  border-bottom: 1px solid #f0f0f0;
}

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

.modal-close {
  background: none;
  border: none;
  font-size: 18px;
  cursor: pointer;
  color: var(--text-light);
  padding: 4px 8px;
  border-radius: 4px;
}

.modal-close:hover { background: var(--bg); }

.stu-form-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 20px;
  margin-bottom: 16px;
}

.stu-form-section-title {
  font-size: 13px;
  font-weight: 600;
  color: var(--primary);
  margin-bottom: 10px;
  padding-bottom: 6px;
  border-bottom: 1px solid #f0f0f0;
}

.form-textarea {
  resize: vertical;
  min-height: 60px;
}

.stu-service-row {
  display: flex;
  gap: 16px;
  flex-wrap: wrap;
}

.stu-service-item {
  display: flex;
  align-items: center;
  gap: 4px;
  font-size: 13px;
  cursor: pointer;
}

/* === Drawer === */
.stu-drawer-overlay {
  display: none;
  position: fixed;
  inset: 0;
  background: rgba(0,0,0,0.3);
  z-index: 200;
}

.stu-drawer-overlay.show { display: block; }

.stu-drawer {
  position: fixed;
  top: 0;
  right: 0;
  width: 480px;
  max-width: 90vw;
  height: 100vh;
  background: var(--white);
  box-shadow: -4px 0 20px rgba(0,0,0,0.1);
  z-index: 201;
  transform: translateX(100%);
  transition: transform 0.3s ease;
  display: flex;
  flex-direction: column;
}

.stu-drawer.open { transform: translateX(0); }

.stu-drawer-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 16px 20px;
  border-bottom: 1px solid #f0f0f0;
}

.stu-drawer-header h3 { font-size: 16px; }

.stu-drawer-tabs {
  display: flex;
  gap: 0;
  padding: 0 20px;
  border-bottom: 1px solid #f0f0f0;
}

.stu-drawer-tabs .tab-btn {
  padding: 10px 16px;
  border-radius: 0;
  border-bottom: 2px solid transparent;
  background: none;
}

.stu-drawer-tabs .tab-btn.active {
  border-bottom-color: var(--primary);
  color: var(--primary);
  box-shadow: none;
  background: none;
}

.stu-drawer-body {
  flex: 1;
  overflow-y: auto;
  padding: 20px;
}

.stu-dtab { display: none; }
.stu-dtab.active { display: block; }

/* Drawer info */
.stu-info-group {
  margin-bottom: 16px;
}

.stu-info-group h4 {
  font-size: 13px;
  font-weight: 600;
  color: var(--primary);
  margin-bottom: 8px;
  padding-bottom: 4px;
  border-bottom: 1px solid #f0f0f0;
}

.stu-info-row {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 6px 16px;
}

.stu-info-item {
  font-size: 13px;
  padding: 4px 0;
}

.stu-info-item .label {
  color: var(--text-light);
  margin-right: 6px;
}

/* Follow up timeline */
.follow-add { margin-bottom: 16px; }

.follow-add textarea {
  width: 100%;
  padding: 8px;
  border: 1px solid #d1d5db;
  border-radius: 6px;
  font-size: 13px;
  resize: vertical;
  min-height: 60px;
  font-family: inherit;
  outline: none;
}

.follow-add textarea:focus { border-color: var(--primary); }

.follow-add-row {
  display: flex;
  gap: 8px;
  margin-top: 8px;
  align-items: center;
}

.follow-timeline { display: flex; flex-direction: column; gap: 0; }

.follow-item {
  display: flex;
  gap: 12px;
  padding: 12px 0;
  border-bottom: 1px solid #f5f5f5;
}

.follow-dot {
  width: 10px;
  height: 10px;
  border-radius: 50%;
  background: var(--primary);
  margin-top: 4px;
  flex-shrink: 0;
}

.follow-content { flex: 1; }

.follow-meta {
  font-size: 11px;
  color: var(--text-light);
  margin-bottom: 4px;
  display: flex;
  gap: 8px;
}

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

/* Payment */
.payment-summary {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 12px;
  margin-bottom: 16px;
}

.payment-summary-item {
  text-align: center;
  padding: 10px;
  background: var(--bg);
  border-radius: 6px;
}

.payment-summary-item .val {
  font-size: 18px;
  font-weight: 700;
  display: block;
}

.payment-summary-item .lbl {
  font-size: 11px;
  color: var(--text-light);
}

.payment-summary-item.owe .val { color: #ef4444; }

/* === Responsive === */
@media (max-width: 768px) {
  .stu-stats { grid-template-columns: repeat(2, 1fr); }
  .stu-form-grid { grid-template-columns: 1fr; }
  .stu-drawer { width: 100vw; }
  .stu-info-row { grid-template-columns: 1fr; }
}

/* === Student Picker (searchable select) === */
.stu-picker {
  position: relative;
}

.stu-picker-list {
  display: none;
  position: absolute;
  top: 100%;
  left: 0;
  right: 0;
  max-height: 200px;
  overflow-y: auto;
  background: var(--white);
  border: 1px solid #d1d5db;
  border-top: none;
  border-radius: 0 0 6px 6px;
  box-shadow: 0 4px 12px rgba(0,0,0,0.1);
  z-index: 50;
}

.stu-picker-list.show { display: block; }

.stu-picker-item {
  padding: 8px 12px;
  font-size: 13px;
  cursor: pointer;
  display: flex;
  justify-content: space-between;
}

.stu-picker-item:hover { background: var(--primary-light); }

.stu-picker-item .stu-picker-name { font-weight: 500; }
.stu-picker-item .stu-picker-phone { color: var(--text-light); font-size: 12px; }

.stu-picker-empty {
  padding: 12px;
  text-align: center;
  font-size: 12px;
  color: var(--text-light);
}

.stu-picker .form-input.selected {
  border-color: var(--primary);
  background: var(--primary-light);
}

/* === Student Account === */
.stu-account-row {
  display: flex;
  flex-direction: column;
  gap: 6px;
}

.stu-account-field {
  display: flex;
  align-items: center;
  gap: 6px;
  font-size: 13px;
}

.stu-account-val {
  font-weight: 500;
  color: var(--text);
  background: var(--bg);
  padding: 3px 10px;
  border-radius: 4px;
  min-width: 80px;
}

.btn-copy {
  background: none;
  border: 1px solid #d1d5db;
  border-radius: 4px;
  padding: 2px 8px;
  font-size: 11px;
  cursor: pointer;
  color: var(--text);
  transition: all 0.2s;
  font-family: inherit;
  white-space: nowrap;
}

.btn-copy:hover {
  background: var(--primary-light);
  border-color: var(--primary);
  color: var(--primary);
}

.stu-account-edit {
  display: flex;
  align-items: center;
  gap: 6px;
  flex-wrap: wrap;
}

/* === School Link === */
.school-link {
  color: var(--primary);
  cursor: pointer;
  text-decoration: none;
  font-weight: 500;
}

.school-link:hover { text-decoration: underline; }

/* === Batch Bar === */
.stu-batch-bar {
  padding: 8px 16px;
  background: #eff6ff;
  border: 1px solid #bfdbfe;
  border-radius: 6px;
  margin-bottom: 10px;
  font-size: 13px;
  display: flex;
  align-items: center;
  gap: 10px;
  color: var(--primary);
  font-weight: 500;
}

/* === Follow up enhancements === */
.follow-add-selects {
  display: flex;
  gap: 6px;
  align-items: center;
  margin-bottom: 6px;
  flex-wrap: wrap;
}

.follow-add-selects .form-select {
  font-size: 12px;
  padding: 4px 8px;
}

.follow-tag {
  display: inline-block;
  padding: 1px 8px;
  border-radius: 8px;
  font-size: 10px;
  font-weight: 500;
  background: #ede9fe;
  color: #7c3aed;
}

.follow-tag-result {
  background: #dbeafe;
  color: #2563eb;
}

.follow-next {
  font-size: 11px;
  color: #ca8a04;
  background: #fefce8;
  padding: 3px 8px;
  border-radius: 4px;
  margin-top: 4px;
  display: inline-block;
}