/* ==========================================================================
   校园班级管理系统 - 全局样式表
   本文件汇总了所有页面（登录页、学生签到页、管理员后台）的样式，
   按页面分区管理。各页面通过 <link rel="stylesheet" href="styles.css">
   引用本文件。
   ========================================================================== */

/* ==========================================================================
   一、登录页 (index.php)
   ========================================================================== */
body.login-page {
    margin: 0;
    min-height: 100vh;
    font-family: 'Microsoft YaHei', 'PingFang SC', 'Helvetica Neue', Arial, sans-serif;
    background: linear-gradient(135deg, #1e3c72 0%, #2a5298 100%);
    display: flex;
    align-items: center;
    justify-content: center;
    position: relative;
    overflow: hidden;
}

/* 背景装饰光斑 */
body.login-page::before,
body.login-page::after {
    content: '';
    position: absolute;
    border-radius: 50%;
    filter: blur(70px);
    opacity: 0.45;
    pointer-events: none;
}
body.login-page::before {
    width: 420px;
    height: 420px;
    background: #22d3ee;
    top: -140px;
    right: -100px;
}
body.login-page::after {
    width: 380px;
    height: 380px;
    background: #fb923c;
    bottom: -140px;
    left: -100px;
}

.login-card {
    width: 420px;
    max-width: 92vw;
    box-sizing: border-box;
    background: rgba(255, 255, 255, 0.97);
    border-radius: 20px;
    box-shadow: 0 24px 60px rgba(0, 0, 0, 0.28);
    padding: 40px 38px 30px;
    position: relative;
    z-index: 1;
}

.login-brand {
    text-align: center;
    margin-bottom: 28px;
}
.brand-icon {
    width: 72px;
    height: 72px;
    margin: 0 auto 16px;
    border-radius: 50%;
    background: linear-gradient(135deg, #2a5298, #4facfe);
    color: #fff;
    font-size: 30px;
    display: flex;
    align-items: center;
    justify-content: center;
    box-shadow: 0 8px 20px rgba(42, 82, 152, 0.35);
}
.login-brand h1 {
    margin: 0 0 6px;
    font-size: 24px;
    color: #1e293b;
}
.login-brand p {
    margin: 0;
    font-size: 13px;
    color: #94a3b8;
    letter-spacing: 3px;
}

.error-message {
    display: none;
    align-items: center;
    gap: 8px;
    background-color: #fef2f2;
    color: #dc2626;
    border: 1px solid #fecaca;
    border-radius: 10px;
    padding: 10px 14px;
    margin-bottom: 20px;
    font-size: 14px;
}
.error-message.show {
    display: flex;
}

.form-group {
    margin-bottom: 22px;
}
.form-group > label {
    display: block;
    margin-bottom: 8px;
    font-size: 14px;
    font-weight: 600;
    color: #334155;
}
.input-wrap {
    position: relative;
}
.input-wrap > .fa {
    position: absolute;
    left: 14px;
    top: 50%;
    transform: translateY(-50%);
    color: #94a3b8;
    font-size: 15px;
    pointer-events: none;
}
.input-wrap input {
    width: 100%;
    box-sizing: border-box;
    padding: 12px 44px;
    border: 1.5px solid #e2e8f0;
    border-radius: 12px;
    font-size: 15px;
    color: #1e293b;
    background-color: #f8fafc;
    outline: none;
    transition: all 0.25s ease;
}
.input-wrap input:focus {
    border-color: #3b82f6;
    background-color: #fff;
    box-shadow: 0 0 0 4px rgba(59, 130, 246, 0.12);
}
.input-wrap .toggle-pwd {
    position: absolute;
    right: 14px;
    top: 50%;
    transform: translateY(-50%);
    color: #94a3b8;
    cursor: pointer;
    font-size: 15px;
    transition: color 0.2s;
}
.input-wrap .toggle-pwd:hover {
    color: #3b82f6;
}

.login-btn {
    width: 100%;
    padding: 13px;
    border: none;
    border-radius: 12px;
    background: linear-gradient(135deg, #2a5298, #4facfe);
    color: #fff;
    font-size: 16px;
    font-weight: 600;
    cursor: pointer;
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 8px;
    box-shadow: 0 8px 20px rgba(42, 82, 152, 0.3);
    transition: all 0.25s ease;
}
.login-btn:hover {
    transform: translateY(-2px);
    box-shadow: 0 12px 26px rgba(42, 82, 152, 0.4);
}
.login-btn:active {
    transform: translateY(0);
}

.login-footer {
    text-align: center;
    margin-top: 24px;
}
.login-footer a {
    color: #64748b;
    font-size: 13px;
    text-decoration: none;
    transition: color 0.2s;
}
.login-footer a:hover {
    color: #2a5298;
}
.login-footer a i {
    margin-right: 4px;
}

/* ==========================================================================
   二、学生签到页 (student_signin.php)
   ========================================================================== */
body.signin-page {
    margin: 0;
    padding: 0;
    font-family: 'Microsoft YaHei', 'PingFang SC', 'Helvetica Neue', Arial, sans-serif;
    background: linear-gradient(180deg, #eef6ff 0%, #f7fafc 100%);
    min-height: 100vh;
    line-height: 1.6;
}

/* 顶部横幅 */
.signin-page .signin-header {
    position: relative;
    overflow: hidden;
    background: linear-gradient(135deg, #1E9FFF 0%, #0D6EFD 60%, #6610f2 100%);
    padding: 30px 20px 28px;
    text-align: center;
    color: #fff;
    border-radius: 0 0 30px 30px;
    box-shadow: 0 8px 24px rgba(13, 110, 253, 0.25);
}
.signin-page .header-deco {
    position: absolute;
    border-radius: 50%;
    background: rgba(255, 255, 255, 0.12);
    pointer-events: none;
}
.signin-page .header-deco.deco-1 {
    width: 130px;
    height: 130px;
    top: -45px;
    right: -30px;
}
.signin-page .header-deco.deco-2 {
    width: 70px;
    height: 70px;
    bottom: -25px;
    left: 24px;
}
.signin-page .header-icon {
    position: relative;
    width: 64px;
    height: 64px;
    margin: 0 auto 12px;
    border-radius: 50%;
    background: rgba(255, 255, 255, 0.2);
    border: 2px solid rgba(255, 255, 255, 0.5);
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 26px;
}
.signin-page .header-title {
    position: relative;
    font-size: 22px;
    font-weight: bold;
    letter-spacing: 1px;
}
.signin-page .header-sub {
    position: relative;
    margin-top: 6px;
    font-size: 13px;
    opacity: 0.9;
}

/* 主体 */
.signin-page .signin-body {
    max-width: 640px;
    margin: 0 auto;
    padding: 18px 16px 40px;
}

/* 打卡进度统计卡片 */
.signin-page .stats-card {
    background: #fff;
    border-radius: 16px;
    padding: 18px 16px;
    box-shadow: 0 4px 16px rgba(0, 0, 0, 0.06);
    border: 1px solid #eef2f7;
}
.signin-page .stats-grid {
    display: flex;
    justify-content: space-around;
    text-align: center;
}
.signin-page .stat-item {
    flex: 1;
}
.signin-page .stat-num {
    font-size: 24px;
    font-weight: bold;
    color: #1E9FFF;
}
.signin-page .stat-label {
    font-size: 12px;
    color: #94a3b8;
    margin-top: 2px;
}
.signin-page .progress-wrap {
    margin-top: 14px;
    height: 8px;
    background: #eef2f7;
    border-radius: 10px;
    overflow: hidden;
}
.signin-page .progress-bar {
    height: 100%;
    background: linear-gradient(90deg, #22d3ee, #1E9FFF);
    border-radius: 10px;
    transition: width 0.4s ease;
}
.signin-page .progress-text {
    margin-top: 8px;
    text-align: center;
    font-size: 12px;
    color: #94a3b8;
}

/* 小节标题 */
.signin-page .section-title {
    margin: 22px 4px 10px;
    font-size: 15px;
    font-weight: bold;
    color: #334155;
    display: flex;
    align-items: center;
    gap: 8px;
}
.signin-page .section-title i {
    color: #1E9FFF;
}
.signin-page .section-hint {
    font-size: 12px;
    font-weight: normal;
    color: #a3aab5;
    margin-left: auto;
}

/* 学生姓名卡片网格 */
.signin-page .student-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(92px, 1fr));
    gap: 10px;
}
.signin-page .student-chip {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 4px;
    padding: 10px 8px;
    background: #fff;
    border: 1.5px solid #e2e8f0;
    border-radius: 10px;
    font-size: 14px;
    color: #334155;
    cursor: pointer;
    transition: all 0.2s ease;
    box-shadow: 0 1px 4px rgba(0, 0, 0, 0.04);
    user-select: none;
}
.signin-page .student-chip:hover {
    border-color: #1E9FFF;
    transform: translateY(-2px);
    box-shadow: 0 4px 10px rgba(30, 159, 255, 0.15);
}
.signin-page .student-chip .chip-check {
    display: none;
    font-size: 12px;
}
/* 本次新选择的同学：绿色高亮 */
.signin-page .student-chip.selected {
    background: linear-gradient(135deg, #22c55e, #16a34a);
    border-color: #16a34a;
    color: #fff;
    font-weight: bold;
    box-shadow: 0 4px 12px rgba(34, 197, 94, 0.25);
}
.signin-page .student-chip.selected .chip-check {
    display: inline-block;
}
/* 今日已打卡的同学：灰色锁定，不可再次点击 */
.signin-page .student-chip.signed {
    background: #f1f5f9;
    border-color: #e2e8f0;
    color: #94a3b8;
    cursor: not-allowed;
    box-shadow: none;
}
.signin-page .student-chip.signed .chip-name {
    text-decoration: line-through;
}
.signin-page .student-chip.signed .chip-check {
    display: inline-block;
    color: #22c55e;
}
.signin-page .student-chip.signed:hover {
    transform: none;
    border-color: #e2e8f0;
    box-shadow: none;
}

/* 接龙用户身份选择 */
.signin-page .role-group {
    display: grid;
    grid-template-columns: repeat(5, 1fr);
    gap: 8px;
    background: #fff;
    border: 1px solid #eef2f7;
    border-radius: 14px;
    padding: 10px;
    box-shadow: 0 2px 10px rgba(0, 0, 0, 0.04);
}
.signin-page .role-item {
    position: relative;
    cursor: pointer;
}
.signin-page .role-item input {
    position: absolute;
    opacity: 0;
    width: 0;
    height: 0;
}
.signin-page .role-item span {
    display: block;
    text-align: center;
    padding: 8px 0;
    border-radius: 8px;
    font-size: 13px;
    color: #475569;
    background: #f1f5f9;
    transition: all 0.2s;
}
.signin-page .role-item input:checked + span {
    background: linear-gradient(135deg, #1E9FFF, #0D6EFD);
    color: #fff;
    font-weight: bold;
}

/* 提交按钮 */
.signin-page .submit-btn {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 8px;
    width: 100%;
    margin-top: 20px;
    padding: 14px;
    border: none;
    border-radius: 14px;
    background: linear-gradient(135deg, #1E9FFF, #0D6EFD);
    color: #fff;
    font-size: 17px;
    font-weight: bold;
    cursor: pointer;
    box-shadow: 0 8px 20px rgba(13, 110, 253, 0.3);
    transition: all 0.25s ease;
}
.signin-page .submit-btn:hover {
    transform: translateY(-2px);
    box-shadow: 0 12px 26px rgba(13, 110, 253, 0.4);
}
.signin-page .submit-btn:disabled {
    background: #cbd5e1;
    cursor: not-allowed;
    transform: none;
    box-shadow: none;
}
.signin-page .submit-count {
    min-width: 22px;
    height: 22px;
    padding: 0 6px;
    border-radius: 12px;
    background: rgba(255, 255, 255, 0.25);
    font-size: 13px;
    display: flex;
    align-items: center;
    justify-content: center;
}

/* 空状态 */
.signin-page .no-students {
    text-align: center;
    color: #6c757d;
    font-size: 16px;
    padding: 40px 20px;
    background-color: #fff;
    border-radius: 16px;
    border: 1px dashed #e2e8f0;
    margin-top: 20px;
}
.signin-page .no-students i {
    display: block;
    font-size: 40px;
    color: #cbd5e1;
    margin-bottom: 12px;
}

/* 底部版权 */
.signin-page .footer {
    margin-top: 40px;
    text-align: center;
    color: #94a3b8;
    font-size: 12px;
}

/* 页面友好提示 Toast */
.signin-page .toast {
    position: fixed;
    left: 50%;
    top: 24px;
    transform: translateX(-50%) translateY(-120%);
    z-index: 9999;
    display: flex;
    align-items: center;
    gap: 8px;
    max-width: 85vw;
    padding: 12px 20px;
    border-radius: 12px;
    color: #fff;
    font-size: 14px;
    line-height: 1.5;
    box-shadow: 0 8px 24px rgba(0, 0, 0, 0.16);
    opacity: 0;
    pointer-events: none;
    transition: transform 0.3s ease, opacity 0.3s ease;
}
.signin-page .toast.show {
    transform: translateX(-50%) translateY(0);
    opacity: 1;
}
.signin-page .toast i {
    font-size: 16px;
}
.signin-page .toast-success {
    background: linear-gradient(135deg, #22c55e, #16a34a);
}
.signin-page .toast-error {
    background: linear-gradient(135deg, #f87171, #dc2626);
}
.signin-page .toast-warning {
    background: linear-gradient(135deg, #38bdf8, #1E9FFF);
}

/* ==========================================================================
   三、管理员后台 - 公共样式
   ========================================================================== */
body.admin-page {
    margin: 0;
    padding: 0;
    background-color: #f2f2f2;
}
body.admin-page .layui-layout-admin .layui-logo {
    color: #fff;
    font-size: 18px;
    font-weight: bold;
}
body.admin-page .layui-card {
    margin-bottom: 15px;
}
body.admin-page .layui-card-header {
    font-weight: bold;
    border-bottom: 1px solid #f0f0f0;
    color: #333;
}
body.admin-page .layui-card-header i {
    margin-right: 8px;
}
body.admin-page .layui-table {
    margin-top: 0;
}
body.admin-page .layui-table th {
    text-align: center;
    background-color: #f2f2f2;
    font-weight: bold;
    color: #333;
}
body.admin-page .layui-table td {
    text-align: center;
}
body.admin-page .layui-table tbody tr:hover {
    background-color: #f8f8f8;
}
body.admin-page .table-container {
    overflow-x: auto;
}
body.admin-page .message-box {
    padding: 10px 15px;
    margin-bottom: 15px;
    border-radius: 4px;
    display: none;
}
body.admin-page .message-box.success {
    background-color: #f0f9eb;
    color: #67c23a;
    border: 1px solid #e1f3d8;
}
body.admin-page .message-box.error {
    background-color: #fef0f0;
    color: #f56c6c;
    border: 1px solid #fde2e2;
}
body.admin-page .message-box.info {
    background-color: #ecf5ff;
    color: #409eff;
    border: 1px solid #d9ecff;
}
body.admin-page .filter-section {
    margin-bottom: 15px;
}
body.admin-page #pagination {
    margin-top: 20px;
    text-align: center;
}
body.admin-page .layui-laypage a,
body.admin-page .layui-laypage span {
    margin: 0 5px;
}

/* 导入区域（学生名录 / 成绩管理共用） */
.import-section {
    background: linear-gradient(135deg, #f5f7fa 0%, #e4e8f0 100%);
    border-radius: 8px;
    padding: 15px;
    margin-bottom: 0;
    box-shadow: 0 4px 12px rgba(0, 0, 0, 0.05);
}
.import-section h3 {
    color: #2E7D32;
    margin-bottom: 15px;
    font-size: 18px;
}
.import-section .import-form {
    display: flex;
    align-items: center;
    flex-wrap: wrap;
}
.import-section .file-input-wrapper {
    position: relative;
    overflow: hidden;
    display: inline-block;
    margin-right: 10px;
}
.import-section .file-input-wrapper input[type=file] {
    position: absolute;
    left: 0;
    top: 0;
    opacity: 0;
    cursor: pointer;
    width: 200px;
    height: 36px;
}
.import-section .file-input-label {
    display: inline-block;
    padding: 8px 15px;
    background-color: #009688;
    color: white;
    border-radius: 4px;
    cursor: pointer;
    transition: all 0.3s;
}
.import-section .file-input-label:hover {
    background-color: #00897B;
}
.import-section .file-name {
    margin-right: 15px;
    color: #666;
    font-style: italic;
}
.import-section .import-btn {
    background-color: #5FB878;
    color: white;
    border: none;
    padding: 8px 15px;
    border-radius: 4px;
    cursor: pointer;
    transition: all 0.3s;
}
.import-section .import-btn:hover {
    background-color: #4CAF50;
}
.import-section .import-btn:disabled {
    background-color: #ccc;
    cursor: not-allowed;
}
.import-section .help-text {
    margin-top: 10px;
    color: #666;
    font-size: 13px;
}
.import-section .help-text strong {
    color: #FF5722;
}

/* ==========================================================================
   四、管理员后台 - 控制台 (admin_dashboard.php)
   ========================================================================== */
.page-dashboard .layui-card {
    border-radius: 8px;
    box-shadow: 0 2px 8px rgba(0, 0, 0, 0.08);
    transition: all 0.3s ease;
    cursor: pointer;
}
.page-dashboard .layui-card:hover {
    transform: translateY(-3px);
    box-shadow: 0 4px 12px rgba(0, 0, 0, 0.12);
}
.page-dashboard .welcome-info {
    padding: 20px;
    background: linear-gradient(135deg, #1E9FFF 0%, #0D6EFD 100%);
    color: #fff;
    margin-bottom: 20px;
    border-radius: 8px;
    box-shadow: 0 4px 12px rgba(30, 159, 255, 0.2);
    position: relative;
    overflow: hidden;
}
.page-dashboard .welcome-info::before {
    content: '';
    position: absolute;
    top: -50%;
    right: -50%;
    width: 200%;
    height: 200%;
    background: radial-gradient(circle, rgba(255, 255, 255, 0.1) 0%, rgba(255, 255, 255, 0) 70%);
    transform: rotate(45deg);
}
.page-dashboard .welcome-info h2 {
    margin-bottom: 15px;
    font-size: 24px;
    position: relative;
    z-index: 1;
}
.page-dashboard .welcome-info p {
    margin-bottom: 8px;
    position: relative;
    z-index: 1;
}
.page-dashboard .welcome-info .admin-badge {
    display: inline-block;
    padding: 3px 8px;
    background-color: rgba(255, 255, 255, 0.2);
    border-radius: 12px;
    font-size: 12px;
    margin-left: 8px;
}
.page-dashboard .menu-card {
    text-align: center;
    padding: 30px 0;
}
.page-dashboard .menu-card .menu-icon {
    font-size: 40px;
    margin-bottom: 15px;
    display: block;
}
.page-dashboard .menu-card .menu-name {
    font-size: 16px;
    font-weight: bold;
    color: #333;
}
.page-dashboard .menu-card .menu-desc {
    color: #999;
    font-size: 13px;
    margin-top: 8px;
}

/* ==========================================================================
   五、管理员后台 - 班级设置 (admin_class_setting.php)
   ========================================================================== */
.page-class-setting .current-info {
    background: linear-gradient(135deg, #f5f7fa 0%, #e4e8f0 100%);
    border-radius: 8px;
    padding: 15px 20px;
    border: 1px solid #e6e6e6;
}
.page-class-setting .mode-hint {
    margin-top: 10px;
    padding: 12px 15px;
    border-radius: 6px;
    font-size: 13px;
    line-height: 1.9;
    color: #334155;
}
.page-class-setting .mode-hint.zhisheng {
    background: #ecf5ff;
    border-left: 4px solid #409eff;
}
.page-class-setting .mode-hint.xinjin {
    background: #fdf6ec;
    border-left: 4px solid #ffb800;
}
.page-class-setting .mode-hint i {
    margin-right: 6px;
}

/* ==========================================================================
   六、管理员后台 - 学生名录 (admin_grade_minglu.php)
   ========================================================================== */
.page-grade-minglu .filter-section {
    background: linear-gradient(135deg, #f5f7fa 0%, #e4e8f0 100%);
    border-radius: 8px;
    padding: 15px;
    margin-bottom: 0;
    border: 1px solid #e6e6e6;
    box-shadow: 0 4px 12px rgba(0, 0, 0, 0.05);
}
.page-grade-minglu .filter-section .layui-form-label {
    width: 90px;
    padding: 9px 0;
}
.page-grade-minglu .filter-section .layui-input-inline {
    width: 180px;
    margin-right: 10px;
}
.page-grade-minglu .filter-section .layui-btn {
    margin-right: 10px;
}
.page-grade-minglu .layui-col-space15 > div {
    margin-bottom: 0;
}
.page-grade-minglu .layui-card {
    height: 100%;
    display: flex;
    flex-direction: column;
}
.page-grade-minglu .layui-card-body {
    flex: 1;
}
.page-grade-minglu .layui-row + .layui-card {
    margin-top: 15px;
}
.page-grade-minglu .export-btn {
    margin-left: 10px;
    background-color: #FFB800;
    color: white;
    border: none;
    padding: 8px 15px;
    border-radius: 4px;
    cursor: pointer;
    transition: all 0.3s;
}
.page-grade-minglu .export-btn:hover {
    background-color: #FFA000;
}
.page-grade-minglu .export-btn:disabled {
    background-color: #ccc;
    cursor: not-allowed;
}
.page-grade-minglu .edit-tip {
    margin-left: 10px;
    font-size: 12px;
    font-weight: normal;
    color: #909399;
}
.page-grade-minglu .edit-tip i {
    color: #FFB800;
    margin-right: 4px;
}
.page-grade-minglu .editable-cell {
    cursor: pointer;
    position: relative;
    transition: background-color 0.15s;
}
.page-grade-minglu .editable-cell:hover {
    background-color: #fffbe6;
    box-shadow: inset 0 0 0 1px #ffd04b;
}
.page-grade-minglu .editable-cell::after {
    content: '';
    display: inline-block;
    width: 0;
    height: 0;
    margin-left: 4px;
    border-left: 4px solid transparent;
    border-right: 4px solid transparent;
    border-top: 5px solid #c0c4cc;
    vertical-align: middle;
    opacity: 0;
    transition: opacity 0.15s;
}
.page-grade-minglu .editable-cell:hover::after {
    opacity: 1;
}
.page-grade-minglu .cell-editor {
    width: 100%;
    box-sizing: border-box;
    height: 30px;
    padding: 2px 6px;
    border: 1px solid #1E9FFF;
    border-radius: 4px;
    font-size: 13px;
    outline: none;
    box-shadow: 0 0 0 2px rgba(30, 159, 255, 0.15);
    background: #fff;
}

/* ==========================================================================
   七、管理员后台 - 放学签到 (admin_checkout_signin.php)
   ========================================================================== */
body.page-checkout {
    padding: 20px;
}
.page-checkout .layui-layout-admin .layui-body {
    padding: 20px;
    background-color: #f2f2f2;
}
.page-checkout .layui-card {
    border-radius: 10px;
    box-shadow: 0 2px 10px rgba(0, 0, 0, 0.05);
    border: 1px solid #eef2f7;
}
.page-checkout .card-sub {
    margin-left: 10px;
    font-size: 12px;
    font-weight: normal;
    color: #9ca3af;
}
.page-checkout .export-btn {
    float: right;
    background-color: #5FB878;
    color: white;
    border: none;
    padding: 6px 12px;
    border-radius: 3px;
    cursor: pointer;
    font-size: 14px;
    transition: all 0.3s;
}
.page-checkout .export-btn:hover {
    background-color: #4d9e66;
}
.page-checkout .export-btn i {
    margin-right: 5px;
}
.page-checkout .header-actions {
    float: right;
    display: flex;
    gap: 8px;
}
.page-checkout .clear-btn {
    background-color: #FF5722;
    color: white;
    border: none;
    padding: 6px 12px;
    border-radius: 6px;
    cursor: pointer;
    font-size: 14px;
    transition: all 0.3s;
}
.page-checkout .clear-btn:hover {
    background-color: #e64a19;
}
.page-checkout .clear-btn i {
    margin-right: 5px;
}
.page-checkout .filter-section {
    background: linear-gradient(135deg, #f8fafc 0%, #eef2f7 100%);
    border-radius: 10px;
    padding: 18px;
    margin-bottom: 0;
    border: 1px solid #e6e6e6;
    box-shadow: 0 4px 12px rgba(0, 0, 0, 0.05);
}
.page-checkout .filter-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 14px 18px;
}
.page-checkout .filter-item {
    min-width: 0;
}
.page-checkout .filter-label {
    display: flex;
    align-items: center;
    gap: 6px;
    margin-bottom: 6px;
    font-size: 13px;
    font-weight: 600;
    color: #475569;
}
.page-checkout .filter-label i {
    color: #1E9FFF;
    font-size: 13px;
    width: 14px;
    text-align: center;
}
.page-checkout .filter-item .layui-input {
    height: 38px;
    border-radius: 8px;
    border: 1px solid #dde3ea;
    transition: all 0.2s;
    background-color: #fff;
}
.page-checkout .filter-item .layui-input:focus {
    border-color: #1E9FFF;
    box-shadow: 0 0 0 3px rgba(30, 159, 255, 0.1);
}
.page-checkout .filter-actions {
    display: flex;
    align-items: flex-end;
    gap: 10px;
}
.page-checkout .filter-actions .layui-btn {
    height: 38px;
    border-radius: 8px;
    flex: 1;
}
.page-checkout .filter-actions .layui-btn:first-child {
    background: linear-gradient(135deg, #1E9FFF, #0D6EFD);
}
.page-checkout .status-tag {
    padding: 2px 8px;
    border-radius: 10px;
    font-size: 12px;
    display: inline-block;
}
.page-checkout .status-safe {
    background-color: #f0f9eb;
    color: #67c23a;
}
.page-checkout .status-late {
    background-color: #fef0f0;
    color: #f56c6c;
}
.page-checkout .status-unknown {
    background-color: #f4f4f5;
    color: #909399;
}
.page-checkout .checkin-panel {
    display: flex;
    flex-direction: column;
    gap: 14px;
}
.page-checkout .class-chip {
    display: flex;
    align-items: center;
    gap: 12px;
    padding: 14px 16px;
    background: linear-gradient(135deg, #1E9FFF 0%, #0D6EFD 100%);
    border-radius: 10px;
    color: #fff;
    box-shadow: 0 6px 16px rgba(13, 110, 253, 0.25);
}
.page-checkout .chip-icon {
    width: 44px;
    height: 44px;
    flex-shrink: 0;
    border-radius: 50%;
    background: rgba(255, 255, 255, 0.2);
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 20px;
}
.page-checkout .chip-info {
    display: flex;
    flex-direction: column;
    min-width: 0;
}
.page-checkout .chip-label {
    font-size: 12px;
    opacity: 0.85;
    margin-bottom: 2px;
}
.page-checkout .chip-value {
    font-size: 18px;
    font-weight: bold;
}
.page-checkout .class-meta {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 10px;
}
.page-checkout .meta-item {
    background: #f8fafc;
    border: 1px solid #eef2f7;
    border-radius: 8px;
    padding: 10px 6px;
    text-align: center;
}
.page-checkout .meta-label {
    display: block;
    font-size: 12px;
    color: #94a3b8;
    margin-bottom: 4px;
}
.page-checkout .meta-value {
    display: block;
    font-size: 14px;
    font-weight: 600;
    color: #334155;
}
.page-checkout .poster-actions .poster-btn {
    width: 100%;
    height: 40px;
    border-radius: 8px;
    background: linear-gradient(135deg, #1E9FFF, #0D6EFD);
}
.page-checkout .poster-result {
    margin-top: 2px;
}
.page-checkout .poster-result-box {
    background: #f8fafc;
    border: 1px dashed #cbd5e1;
    border-radius: 10px;
    padding: 14px;
}
.page-checkout .poster-result-title {
    font-size: 13px;
    font-weight: 600;
    color: #475569;
    margin-bottom: 8px;
}
.page-checkout .poster-result-title i {
    color: #1E9FFF;
    margin-right: 4px;
}
.page-checkout .poster-url-text {
    word-break: break-all;
    font-size: 12px;
    color: #1E9FFF;
    background: #fff;
    border: 1px solid #e2e8f0;
    border-radius: 6px;
    padding: 8px 10px;
    margin-bottom: 10px;
}
.page-checkout .poster-result-actions {
    display: flex;
    gap: 10px;
}
.page-checkout .poster-result-actions .layui-btn {
    flex: 1;
    border-radius: 6px;
}
.page-checkout .message-box.info {
    background-color: #f4f4f5;
    color: #909399;
    border: 1px solid #e9e9eb;
}