/* 全局样式 */
* {
    box-sizing: border-box;
}

body {
    margin: 0;
    font-family: "Microsoft YaHei", sans-serif;
    background-color: #f4f6fb;
    color: #1f1f1f;
    height: 100vh;
    display: flex;
    flex-direction: column;
}

a {
    text-decoration: none;
    color: inherit;
}

/* 顶部导航栏 */
.top-bar {
    height: 72px;
    background-color: #fff;
    border-bottom: 1px solid #e5e7eb;
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 0 32px;
    flex-shrink: 0;
    gap: 40px;
}

.logo-section {
    display: flex;
    align-items: center;
    gap: 12px;
}

.logo-img {
    width: 40px;
    height: 40px;
    border-radius: 8px;
}

.school-name .cn {
    font-weight: 600;
    font-size: 16px;
}

.school-name .en {
    font-size: 12px;
    color: #6b6b6b;
}

.main-nav {
    display: flex;
    gap: 48px;
    font-size: 18px;
    color: #6b6b6b;
}

.main-nav a {
    padding-bottom: 6px;
}

.main-nav a.active {
    color: #bd1818;
    border-bottom: 2px solid #bd1818;
}

.user-profile {
    display: flex;
    align-items: center;
    gap: 12px;
    font-size: 14px;
    margin-left: auto;
}

.user-profile .user-name,
.user-profile .user-role {
    display: block;
    text-align: right;
    line-height: 1.4;
}

.user-info-group {
    display: flex;
    flex-direction: row;
    align-items: center;
    gap: 8px;
    text-align: right;
}

.logout-btn {
    border: 1px solid #e5e7eb;
    background: none;
    border-radius: 6px;
    padding: 6px 10px;
    cursor: pointer;
    color: #6b6b6b;
}

/* 主体布局 */
.app-container {
    flex: 1;
    display: flex;
    overflow: hidden;
}

/* 左侧侧边栏 */
.sidebar {
    width: 220px;
    background-color: #fff;
    border-right: 1px solid #e5e7eb;
    padding: 24px 16px;
    display: flex;
    flex-direction: column;
}

.side-nav {
    display: flex;
    flex-direction: column;
    gap: 8px;
}

.nav-item {
    display: flex;
    align-items: center;
    gap: 10px;
    padding: 10px 14px;
    border-radius: 10px;
    color: #6b6b6b;
    font-size: 14px;
    transition: background-color 0.15s ease, color 0.15s ease;
    outline: none;
    -webkit-tap-highlight-color: transparent;
}

.nav-item:hover {
    background-color: rgba(189, 24, 24, 0.1);
    color: #bd1818;
}

.nav-item.active {
    background-color: rgba(189, 24, 24, 0.1);
    color: #bd1818;
}

.nav-item:active {
    background-color: rgba(189, 24, 24, 0.15);
}

/* 主内容区域 */
.main-content {
    flex: 1;
    padding: 24px;
    display: flex;
    flex-direction: column;
    gap: 24px;
    overflow-y: auto;
}

/* 操作栏 */
.action-bar {
    background-color: #fff;
    border-radius: 16px;
    padding: 20px;
    box-shadow: 0 8px 24px rgba(15, 23, 42, 0.06);
    display: flex;
    flex-direction: column;
    gap: 16px;
}

.filter-row {
    display: flex;
    flex-wrap: wrap;
    gap: 14px;
    align-items: center;
}

.filter-select {
    min-width: 140px;
    flex: 1;
    padding: 10px 12px;
    border: 1px solid #e5e7eb;
    border-radius: 10px;
    font-size: 14px;
    color: #1f1f1f;
}

.date-group {
    display: flex;
    align-items: center;
    gap: 8px;
    font-size: 13px;
    color: #6b6b6b;
}

.date-input {
    padding: 9px 10px;
    border: 1px solid #e5e7eb;
    border-radius: 8px;
    min-width: 150px;
}

.search-btn-primary {
    background-color: #bd1818;
    color: #fff;
    border: none;
    padding: 10px 28px;
    border-radius: 10px;
    font-size: 14px;
    cursor: pointer;
    display: flex;
    align-items: center;
    gap: 8px;
}

.search-btn-primary:hover {
    background-color: #a31515;
}

.add-btn {
    background-color: #bd1818;
    color: #fff;
    border: none;
    padding: 10px 28px;
    border-radius: 10px;
    font-size: 14px;
    cursor: pointer;
    display: flex;
    align-items: center;
    gap: 8px;
    transition: all 0.3s ease;
    box-shadow: 0 2px 8px rgba(189, 24, 24, 0.2);
}

.add-btn:hover {
    background-color: #a31515;
    box-shadow: 0 4px 12px rgba(189, 24, 24, 0.3);
    transform: translateY(-1px);
}

.add-btn:active {
    transform: translateY(0);
    box-shadow: 0 2px 6px rgba(189, 24, 24, 0.2);
}

/* 表格容器 */
.table-container {
    background-color: #fff;
    border-radius: 16px;
    box-shadow: 0 12px 32px rgba(15, 23, 42, 0.05);
    overflow: hidden;
}

table {
    width: 100%;
    border-collapse: collapse;
}

thead {
    background-color: #fafafa;
    color: #6b6b6b;
    font-size: 13px;
}

th, td {
    padding: 14px 16px;
    border-bottom: 1px solid #e5e7eb;
    text-align: left;
    font-size: 14px;
}

.btn-outline {
    padding: 6px 16px;
    border: 1px solid #bd1818;
    border-radius: 999px;
    background: rgba(189, 24, 24, 0.1);
    color: #bd1818;
    cursor: pointer;
    font-size: 13px;
}

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

/* 页脚 */
.footer {
    background-color: #fff;
    border-radius: 16px;
    padding: 14px 20px;
    display: flex;
    align-items: center;
    justify-content: space-between;
    box-shadow: 0 12px 32px rgba(15, 23, 42, 0.05);
}

.total-count {
    font-size: 14px;
    color: #6b6b6b;
}

.pagination {
    display: flex;
    gap: 10px;
}

.page-btn {
    border: 1px solid #e5e7eb;
    background: #fff;
    border-radius: 8px;
    padding: 6px 12px;
    cursor: pointer;
    color: #6b6b6b;
}

.page-btn.active {
    border-color: #bd1818;
    color: #bd1818;
}

/* 客户详情弹窗 */
.modal {
    display: none;
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background-color: rgba(15, 23, 42, 0.35);
    z-index: 1000;
    justify-content: center;
    align-items: center;
    padding: 20px;
}

.modal-content {
    background-color: #fff;
    width: min(1200px, 95vw);
    border-radius: 20px;
    box-shadow: 0 30px 60px rgba(15, 23, 42, 0.2);
    display: flex;
    flex-direction: column;
    max-height: 90vh;
}

.modal-header {
    padding: 20px 24px;
    border-bottom: 1px solid #e5e7eb;
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.modal-header h3 {
    margin: 0;
    font-size: 18px;
}

.close-btn {
    border: none;
    background: none;
    font-size: 24px;
    cursor: pointer;
    color: #999;
}

.modal-body {
    padding: 24px;
    display: flex;
    gap: 20px;
    overflow-y: auto;
}

.left-panel {
    flex: 1.3;
    display: flex;
    flex-direction: column;
    gap: 16px;
}

.right-panel {
    flex: 1;
    background-color: #fff6f6;
    border-radius: 16px;
    padding: 20px;
    display: flex;
    flex-direction: column;
    gap: 20px;
}

.info-card, .tags-card {
    background-color: #fff;
    border: 1px solid #e5e7eb;
    border-radius: 16px;
    padding: 18px;
}

.card-header {
    font-weight: 600;
    margin-bottom: 14px;
    font-size: 15px;
}

.info-grid {
    display: flex;
    flex-direction: column;
    gap: 12px;
}

.info-row {
    display: flex;
    justify-content: space-between;
    font-size: 14px;
}

.info-row .label {
    color: #6b6b6b;
    width: 120px;
}

.info-row .value {
    font-weight: 600;
}

.value-edit {
    flex: 1;
    display: flex;
    justify-content: flex-end;
}

.edit-input {
    border: 1px solid #e5e7eb;
    border-radius: 10px;
    padding: 8px 10px;
    width: 100%;
    max-width: 300px;
    font-size: 14px;
}

.edit-input:focus {
    outline: none;
    border-color: #bd1818;
}

.info-row-split {
    display: flex;
    gap: 20px;
}

.info-col {
    flex: 1;
    display: flex;
    justify-content: space-between;
}

.info-col .value-edit {
    flex: 1;
    max-width: none;
}

.info-col .edit-input {
    max-width: 100%;
}

.tag-form-grid {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 16px;
}

.tag-form-item {
    display: flex;
    align-items: center;
    gap: 10px;
}

.tag-form-item.full-width {
    grid-column: span 2;
    align-items: flex-start;
}

.tag-label {
    width: 80px;
    font-size: 14px;
    color: #6b6b6b;
}

.tag-select, .tag-input {
    flex: 1;
    border: 1px solid #e5e7eb;
    border-radius: 10px;
    padding: 8px 10px;
}

.tag-textarea {
    flex: 1;
    border: 1px solid #e5e7eb;
    border-radius: 10px;
    padding: 10px;
    min-height: 80px;
    resize: vertical;
}

.tag-form-actions {
    display: flex;
    justify-content: center;
    gap: 16px;
    margin-top: 16px;
}

.invalid-btn {
    background-color: #fff1f0;
    color: #bd1818;
    border: 1px solid rgba(189, 24, 24, 0.2);
    padding: 8px 24px;
    border-radius: 20px;
    cursor: pointer;
}

.save-tags-btn {
    background-color: #bd1818;
    color: #fff;
    border: none;
    padding: 8px 24px;
    border-radius: 20px;
    cursor: pointer;
}

.followup-input-area textarea {
    width: 100%;
    border: 1px solid #e5e7eb;
    border-radius: 12px;
    padding: 12px;
    min-height: 100px;
    resize: vertical;
}

.input-actions {
    display: flex;
    justify-content: flex-end;
    gap: 10px;
    margin-top: 10px;
}

.upload-btn, .confirm-btn {
    border: 1px solid #bd1818;
    border-radius: 20px;
    padding: 6px 16px;
    background: none;
    color: #bd1818;
    cursor: pointer;
    font-size: 13px;
}

.confirm-btn {
    background-color: #bd1818;
    color: #fff;
}

.timeline {
    display: flex;
    flex-direction: column;
    gap: 14px;
}

.timeline-item {
    background-color: #fff;
    border-radius: 14px;
    padding: 12px 16px;
    border: 1px solid rgba(189, 24, 24, 0.08);
}

.timeline-time {
    font-size: 12px;
    color: #999;
    margin-bottom: 6px;
}

/* 确认框 */
.confirm-modal {
    display: none;
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background-color: rgba(0,0,0,0.5);
    z-index: 2000;
    justify-content: center;
    align-items: center;
}

.confirm-modal[style*="display: flex"] {
    display: flex !important;
}

.confirm-content {
    background-color: #fff;
    width: 360px;
    border-radius: 8px;
    padding: 20px;
    box-shadow: 0 4px 12px rgba(0,0,0,0.15);
    display: flex;
    flex-direction: column;
    gap: 15px;
}

.confirm-header {
    display: flex;
    align-items: center;
    gap: 10px;
}

.confirm-icon {
    color: #faad14;
    font-size: 22px;
}

.confirm-header h3 {
    margin: 0;
    font-size: 16px;
    color: #333;
}

.confirm-body {
    padding-left: 32px;
    color: #666;
    font-size: 14px;
}

.confirm-footer {
    display: flex;
    justify-content: flex-end;
    gap: 10px;
}

.btn-cancel {
    border: 1px solid #d9d9d9;
    background: #fff;
    padding: 5px 15px;
    border-radius: 4px;
    cursor: pointer;
    color: #666;
}

.btn-confirm {
    background-color: #bd1818;
    color: #fff;
    border: none;
    padding: 5px 15px;
    border-radius: 4px;
    cursor: pointer;
}