/* ============================================================
   秒杀链接管理系统 - 全局样式
   设计语言：渐变 + 玻璃拟态 + 卡片式
   ============================================================ */

:root {
    --primary: #3498db;
    --primary-dark: #2980b9;
    --secondary: #2ecc71;
    --secondary-dark: #27ae60;
    --danger: #e74c3c;
    --danger-dark: #c0392b;
    --warning: #f39c12;
    --warning-dark: #e67e22;
    --purple: #9b59b6;
    --purple-dark: #8e44ad;
    --teal: #16a085;
    --teal-dark: #1abc9c;
    --light: #f8f9fa;
    --dark: #2c3e50;
    --gray: #6c757d;
    --border: #e9ecef;
    --radius: 14px;
    --shadow: 0 10px 30px rgba(0, 0, 0, 0.08);
    --shadow-sm: 0 5px 15px rgba(0, 0, 0, 0.05);
    --shadow-lg: 0 18px 40px rgba(0, 0, 0, 0.12);
    --transition: all 0.3s cubic-bezier(0.25, 0.8, 0.25, 1);
}

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

body {
    font-family: 'Segoe UI', 'PingFang SC', 'Hiragino Sans GB', 'Microsoft YaHei', sans-serif;
    background: linear-gradient(135deg, #f5f7fa 0%, #c3cfe2 100%);
    background-attachment: fixed;
    color: #333;
    line-height: 1.6;
    min-height: 100vh;
    padding: 12px;
    overflow-x: hidden;
}

/* ============ 页面容器 ============ */
.container {
    max-width: 1200px;
    margin: 0 auto;
    background: #fff;
    border-radius: var(--radius);
    box-shadow: var(--shadow);
    overflow: hidden;
    position: relative;
}

/* ============ 头部 ============ */
.site-header {
    background: linear-gradient(75deg, #667eea 0%, #764ba2 100%);
    color: #fff;
    text-align: center;
    padding: 30px 15px;
    position: relative;
    overflow: hidden;
}

.header-bg {
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: url('data:image/svg+xml;utf8,<svg xmlns="http://www.w3.org/2000/svg" viewBox="0 0 1440 320"><path fill="%23ffffff" fill-opacity="0.12" d="M0,224L48,213.3C96,203,192,181,288,181.3C384,181,480,203,576,192C672,181,768,139,864,138.7C960,139,1056,181,1152,181.3C1248,181,1344,139,1392,117.3L1440,96L1440,320L1392,320C1344,320,1248,320,1152,320C1056,320,960,320,864,320C768,320,672,320,576,320C480,320,384,320,288,320C192,320,96,320,48,320L0,320Z"></path></svg>');
    background-size: cover;
    background-position: center;
    opacity: 0.5;
    pointer-events: none;
}

.header-inner {
    position: relative;
    z-index: 1;
}

.header-icon {
    margin-right: 8px;
    filter: drop-shadow(0 2px 4px rgba(0, 0, 0, 0.2));
}

h1 {
    font-weight: 600;
    font-size: 2.1rem;
    margin-bottom: 8px;
    text-shadow: 0 2px 6px rgba(0, 0, 0, 0.15);
}

.description {
    max-width: 620px;
    margin: 0 auto;
    color: rgba(255, 255, 255, 0.85);
    font-size: 0.95rem;
    margin-bottom: 14px;
}

.admin-toggle {
    display: inline-block;
    padding: 9px 22px;
    background: rgba(255, 255, 255, 0.18);
    color: #fff;
    text-decoration: none;
    border-radius: 50px;
    font-size: 0.9rem;
    border: 1px solid rgba(255, 255, 255, 0.35);
    backdrop-filter: blur(6px);
    transition: var(--transition);
}

.admin-toggle:hover {
    background: rgba(255, 255, 255, 0.32);
    transform: translateY(-2px);
    box-shadow: 0 6px 18px rgba(0, 0, 0, 0.18);
}

.logout-btn {
    background: rgba(255, 255, 255, 0.12);
    border-color: rgba(255, 255, 255, 0.3);
    cursor: pointer;
    font-family: inherit;
}

.logout-btn:hover {
    background: rgba(231, 76, 60, 0.45);
    border-color: rgba(231, 76, 60, 0.6);
}

.header-actions {
    margin-top: 14px;
}

/* ============ 内容区 ============ */
.content-area {
    padding: 28px 26px;
    position: relative;
    z-index: 1;
}

.section-block {
    margin-bottom: 32px;
}

.section-title {
    margin-bottom: 20px;
}

.section-title h2 {
    font-size: 1.35rem;
    color: var(--dark);
    display: flex;
    align-items: center;
    gap: 10px;
}

.section-title h2 i {
    color: var(--warning);
}

.zero-title {
    color: var(--danger) !important;
}

.zero-title i {
    color: var(--danger) !important;
}

.badge {
    display: inline-block;
    background: var(--primary);
    color: #fff;
    font-size: 0.75rem;
    padding: 2px 10px;
    border-radius: 20px;
    font-weight: 600;
    vertical-align: middle;
}

.badge.gray {
    background: var(--danger);
}

.zero-section {
    padding-top: 24px;
    border-top: 2px dashed #d0d7de;
}

/* ============ 信息卡片网格 ============ */
.info-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(320px, 1fr));
    gap: 22px;
}

.info-card {
    background: #fff;
    border-radius: var(--radius);
    padding: 20px;
    box-shadow: var(--shadow-sm);
    border-left: 4px solid var(--primary);
    position: relative;
    overflow: hidden;
    transition: var(--transition);
    display: flex;
    flex-direction: column;
}

.info-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 3px;
    background: linear-gradient(90deg, var(--primary), var(--secondary));
    transform: scaleX(0);
    transform-origin: left;
    transition: transform 0.5s ease;
}

.info-card:hover::before {
    transform: scaleX(1);
}

.info-card:hover {
    transform: translateY(-5px);
    box-shadow: var(--shadow-lg);
}

.info-card.zero-count {
    border-left-color: var(--danger);
    opacity: 0.88;
}

.info-card.zero-count::before {
    background: linear-gradient(90deg, var(--danger), var(--warning));
}

.info-title {
    font-size: 1.1rem;
    font-weight: 600;
    color: var(--dark);
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 10px;
    margin-bottom: 12px;
    min-height: 30px;
}

.info-title-text {
    flex: 1;
    display: block;
    white-space: nowrap;
    overflow: hidden;
    text-overflow: ellipsis;
}

.info-title-text i {
    color: var(--warning);
    margin-right: 6px;
}

.info-count {
    flex-shrink: 0;
    background: linear-gradient(90deg, var(--primary), var(--primary-dark));
    color: #fff;
    padding: 4px 12px;
    border-radius: 20px;
    font-size: 0.78rem;
    font-weight: 600;
    box-shadow: 0 3px 8px rgba(52, 152, 219, 0.35);
    white-space: nowrap;
}

.info-count.zero {
    background: linear-gradient(90deg, var(--danger), var(--danger-dark));
    box-shadow: 0 3px 8px rgba(231, 76, 60, 0.35);
}

.info-content {
    background: var(--light);
    border-radius: 10px;
    padding: 12px 14px;
    font-size: 0.9rem;
    color: #555;
    word-break: break-all;
    border-left: 3px solid #dfe3e8;
    margin-bottom: 14px;
    max-height: 72px;
    overflow: hidden;
    position: relative;
    line-height: 1.5;
}

.info-content::after {
    content: '';
    position: absolute;
    bottom: 0;
    left: 0;
    right: 0;
    height: 18px;
    background: linear-gradient(transparent, var(--light));
}

.card-time {
    margin-top: 10px;
    font-size: 0.75rem;
    color: #adb5bd;
}

/* ============ 按钮 ============ */
.btn {
    border: none;
    cursor: pointer;
    font-family: inherit;
    font-size: 0.9rem;
    border-radius: 9px;
    transition: var(--transition);
    position: relative;
    overflow: hidden;
}

.button-container {
    display: flex;
    gap: 10px;
}

.copy-btn {
    flex: 5;
    min-height: 44px;
    background: linear-gradient(90deg, var(--secondary), var(--secondary-dark));
    color: #fff;
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 6px;
    box-shadow: 0 4px 10px rgba(46, 204, 113, 0.25);
}

.copy-btn:hover {
    background: linear-gradient(90deg, var(--secondary-dark), #219653);
    transform: translateY(-2px) scale(1.01);
    box-shadow: 0 8px 18px rgba(46, 204, 113, 0.4);
}

.copy-btn.zero-count {
    background: linear-gradient(90deg, var(--danger), var(--danger-dark));
    box-shadow: 0 4px 10px rgba(231, 76, 60, 0.25);
}

.copy-btn.zero-count:hover {
    background: linear-gradient(90deg, var(--danger-dark), #a93226);
    box-shadow: 0 8px 18px rgba(231, 76, 60, 0.4);
}

.increment-btn-card {
    flex: 1;
    min-height: 44px;
    background: linear-gradient(90deg, var(--primary), var(--primary-dark));
    color: #fff;
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 4px;
    box-shadow: 0 4px 10px rgba(52, 152, 219, 0.25);
}

.increment-btn-card:hover {
    background: linear-gradient(90deg, var(--primary-dark), #2573a7);
    transform: translateY(-2px) scale(1.01);
    box-shadow: 0 8px 18px rgba(52, 152, 219, 0.4);
}

.btn:active {
    transform: scale(0.96);
}

/* 点击反馈动画 */
.btn.clicked {
    animation: buttonClick 0.4s cubic-bezier(0.4, 0, 0.2, 1);
}

@keyframes buttonClick {
    0% { transform: scale(1); }
    50% { transform: scale(0.92); }
    100% { transform: scale(1); }
}

.pulse-effect {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    border-radius: 9px;
    background: rgba(255, 255, 255, 0.45);
    transform: scale(0);
    animation: pulse 0.5s ease-out;
    z-index: 1;
}

@keyframes pulse {
    0% { transform: scale(0); opacity: 1; }
    100% { transform: scale(1.5); opacity: 0; }
}

.success-mark {
    position: absolute;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%) scale(0);
    opacity: 0;
    color: #fff;
    font-size: 1.4rem;
    z-index: 2;
}

.success-mark.show {
    animation: checkmarkAppear 0.5s cubic-bezier(0.4, 0, 0.2, 1) forwards;
}

@keyframes checkmarkAppear {
    0% { transform: translate(-50%, -50%) scale(0) rotate(-30deg); opacity: 0; }
    50% { transform: translate(-50%, -50%) scale(1.2) rotate(10deg); opacity: 1; }
    100% { transform: translate(-50%, -50%) scale(1) rotate(0); opacity: 1; }
}

.btn-text { transition: opacity 0.2s ease; }
.btn.hide-text .btn-text { opacity: 0; }

/* ============ 空状态 ============ */
.empty-state {
    text-align: center;
    padding: 48px 20px;
    color: var(--gray);
}

.empty-state i {
    font-size: 3.2rem;
    color: #ced4da;
    margin-bottom: 14px;
    display: block;
}

.empty-state p {
    font-size: 1.05rem;
    margin-bottom: 16px;
}

/* ============ 消息提示 ============ */
.message {
    padding: 14px 18px;
    margin-bottom: 20px;
    border-radius: var(--radius);
    font-size: 0.95rem;
    display: flex;
    align-items: center;
    gap: 8px;
}

.message.success {
    background: #d4edda;
    color: #155724;
    border: 1px solid #c3e6cb;
}

.message.error {
    background: #f8d7da;
    color: #721c24;
    border: 1px solid #f5c6cb;
}

/* ============ 顶部通知 ============ */
.notification {
    position: fixed;
    top: 22px;
    right: 22px;
    padding: 14px 22px;
    background: linear-gradient(90deg, var(--secondary), var(--secondary-dark));
    color: #fff;
    border-radius: var(--radius);
    box-shadow: 0 12px 30px rgba(0, 0, 0, 0.25);
    opacity: 0;
    transform: translateY(-20px) translateX(30px);
    transition: opacity 0.4s, transform 0.4s;
    z-index: 2000;
    display: flex;
    align-items: center;
    gap: 10px;
    max-width: 360px;
    pointer-events: none;
}

.notification.show {
    opacity: 1;
    transform: translateY(0) translateX(0);
}

.notification.error {
    background: linear-gradient(90deg, var(--danger), var(--danger-dark));
}

/* ============ 分页 ============ */
.pagination {
    display: flex;
    justify-content: center;
    align-items: center;
    gap: 8px;
    margin: 22px 0;
    flex-wrap: wrap;
}

.page-btn {
    display: inline-block;
    min-width: 38px;
    padding: 8px 12px;
    border-radius: 8px;
    background: #f1f3f5;
    color: #495057;
    text-decoration: none;
    text-align: center;
    font-size: 0.9rem;
    border: 1px solid var(--border);
    transition: var(--transition);
}

.page-btn:hover {
    background: var(--primary);
    color: #fff;
    border-color: var(--primary);
    transform: translateY(-1px);
}

.page-btn.current {
    background: linear-gradient(90deg, var(--primary), var(--primary-dark));
    color: #fff;
    border-color: var(--primary);
    cursor: default;
    font-weight: 600;
}

.page-ellipsis {
    color: var(--gray);
    padding: 0 2px;
}

/* ============ 页脚 ============ */
.site-footer {
    text-align: center;
    padding: 18px;
    color: #adb5bd;
    font-size: 0.82rem;
    border-top: 1px solid var(--border);
    background: #fafbfc;
}

/* ============================================================
   后台管理样式
   ============================================================ */

.admin-panel {
    background: #fff;
    border: 1px solid var(--border);
    border-radius: var(--radius);
    padding: 24px;
    margin-bottom: 22px;
    box-shadow: var(--shadow-sm);
    position: relative;
}

.admin-panel::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 5px;
    height: 100%;
    background: linear-gradient(to bottom, var(--primary), var(--secondary));
    border-radius: var(--radius) 0 0 var(--radius);
}

.panel-title {
    font-size: 1.25rem;
    color: var(--dark);
    margin-bottom: 18px;
    display: flex;
    align-items: center;
    gap: 10px;
}

.panel-title i {
    color: var(--primary);
}

.panel-title .badge {
    margin-left: auto;
    background: #e9ecef;
    color: var(--gray);
    font-size: 0.78rem;
}

/* 表单 */
.form-row {
    display: grid;
    grid-template-columns: 1fr 200px;
    gap: 16px;
}

.form-group {
    margin-bottom: 16px;
}

label {
    display: block;
    margin-bottom: 7px;
    font-weight: 600;
    color: var(--dark);
    font-size: 0.9rem;
}

.required {
    color: var(--danger);
}

small {
    display: block;
    color: var(--gray);
    font-size: 0.78rem;
    margin-top: 5px;
}

input[type="text"],
input[type="password"],
input[type="number"],
textarea {
    width: 100%;
    padding: 12px 14px;
    border: 1px solid #dee2e6;
    border-radius: 9px;
    font-size: 0.93rem;
    font-family: inherit;
    transition: var(--transition);
    background: #fff;
    color: #333;
}

input:focus,
textarea:focus {
    outline: none;
    border-color: var(--primary);
    box-shadow: 0 0 0 3px rgba(52, 152, 219, 0.18);
}

textarea {
    resize: vertical;
    min-height: 90px;
}

.submit-btn {
    background: linear-gradient(90deg, var(--primary), var(--primary-dark));
    color: #fff;
    border: none;
    padding: 12px 28px;
    border-radius: 9px;
    font-size: 0.98rem;
    cursor: pointer;
    transition: var(--transition);
    display: inline-flex;
    align-items: center;
    gap: 8px;
    box-shadow: 0 5px 12px rgba(52, 152, 219, 0.25);
    font-family: inherit;
}

.submit-btn:hover {
    background: linear-gradient(90deg, var(--primary-dark), #2573a7);
    transform: translateY(-2px);
    box-shadow: 0 8px 18px rgba(52, 152, 219, 0.4);
}

.submit-btn.full {
    width: 100%;
    justify-content: center;
    padding: 13px;
    font-size: 1rem;
    letter-spacing: 6px;
}

/* 批量操作 */
.batch-actions {
    display: flex;
    flex-wrap: wrap;
    gap: 16px;
}

.batch-form {
    display: flex;
    align-items: center;
    gap: 10px;
    background: var(--light);
    padding: 12px 16px;
    border-radius: 10px;
    flex-wrap: wrap;
}

.batch-form label {
    margin: 0;
    font-size: 0.88rem;
}

.amount-input {
    width: 80px !important;
}

.batch-btn {
    padding: 9px 18px;
    color: #fff;
    font-weight: 600;
}

.batch-btn.green {
    background: linear-gradient(90deg, var(--secondary), var(--secondary-dark));
}

.batch-btn.green:hover {
    background: linear-gradient(90deg, var(--secondary-dark), #219653);
    transform: translateY(-2px);
}

.batch-btn.red {
    background: linear-gradient(90deg, var(--danger), var(--danger-dark));
}

.batch-btn.red:hover {
    background: linear-gradient(90deg, var(--danger-dark), #a93226);
    transform: translateY(-2px);
}

/* 后台列表 */
.admin-list {
    display: flex;
    flex-direction: column;
    gap: 12px;
}

.admin-item {
    background: #fff;
    border: 1px solid var(--border);
    border-left: 4px solid var(--primary);
    border-radius: 12px;
    padding: 16px 18px;
    display: flex;
    justify-content: space-between;
    align-items: flex-start;
    gap: 16px;
    transition: var(--transition);
}

.admin-item:hover {
    border-left-color: var(--secondary);
    box-shadow: var(--shadow-sm);
    transform: translateX(4px);
}

.admin-item-main {
    flex: 1;
    min-width: 0;
}

.admin-item-title {
    font-weight: 600;
    color: var(--dark);
    display: flex;
    align-items: center;
    gap: 8px;
    margin-bottom: 6px;
    font-size: 1rem;
}

.item-title-text {
    white-space: nowrap;
    overflow: hidden;
    text-overflow: ellipsis;
}

.tag {
    flex-shrink: 0;
    font-size: 0.7rem;
    padding: 2px 8px;
    border-radius: 12px;
    background: #f1f3f5;
    color: var(--gray);
}

.tag.done {
    background: #fde8e8;
    color: var(--danger);
}

.admin-item-content {
    color: var(--gray);
    font-size: 0.88rem;
    word-break: break-all;
    max-height: 40px;
    overflow: hidden;
    margin-bottom: 8px;
}

.admin-item-meta {
    display: flex;
    gap: 18px;
    font-size: 0.78rem;
    color: #adb5bd;
}

.meta-count {
    color: var(--primary);
    font-weight: 600;
}

.admin-item-actions {
    display: flex;
    gap: 8px;
    flex-wrap: wrap;
    justify-content: flex-end;
    flex-shrink: 0;
}

.inline-form {
    display: inline-flex;
    align-items: center;
    gap: 6px;
}

.tiny-input {
    width: 56px !important;
    padding: 7px 8px !important;
    text-align: center;
}

.action-btn {
    padding: 8px 14px;
    color: #fff;
    font-size: 0.82rem;
    min-height: 36px;
    display: inline-flex;
    align-items: center;
    gap: 5px;
}

.action-btn.blue   { background: linear-gradient(90deg, var(--primary), var(--primary-dark)); box-shadow: 0 3px 8px rgba(52, 152, 219, 0.2); }
.action-btn.green  { background: linear-gradient(90deg, var(--secondary), var(--secondary-dark)); box-shadow: 0 3px 8px rgba(46, 204, 113, 0.2); }
.action-btn.purple { background: linear-gradient(90deg, var(--purple), var(--purple-dark)); box-shadow: 0 3px 8px rgba(155, 89, 182, 0.2); }
.action-btn.teal   { background: linear-gradient(90deg, var(--teal), var(--teal-dark)); box-shadow: 0 3px 8px rgba(22, 160, 133, 0.2); }
.action-btn.red    { background: linear-gradient(90deg, var(--danger), var(--danger-dark)); box-shadow: 0 3px 8px rgba(231, 76, 60, 0.2); }

.action-btn:hover {
    transform: translateY(-2px);
    box-shadow: 0 6px 14px rgba(0, 0, 0, 0.18);
}

/* 操作日志 */
.log-list {
    display: flex;
    flex-direction: column;
    gap: 8px;
}

.log-item {
    display: flex;
    justify-content: space-between;
    align-items: center;
    background: var(--light);
    padding: 9px 14px;
    border-radius: 8px;
    font-size: 0.85rem;
}

.log-action {
    color: var(--dark);
    font-weight: 500;
}

.log-meta {
    color: #adb5bd;
    font-size: 0.78rem;
    flex-shrink: 0;
    margin-left: 12px;
}

/* ============ 登录页 ============ */
.login-body {
    display: flex;
    align-items: center;
    justify-content: center;
    min-height: 100vh;
    background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
    padding: 20px;
}

.login-box {
    width: 100%;
    max-width: 400px;
    background: #fff;
    border-radius: 18px;
    padding: 40px 34px;
    box-shadow: 0 25px 60px rgba(0, 0, 0, 0.3);
    text-align: center;
}

.login-logo {
    width: 68px;
    height: 68px;
    margin: 0 auto 18px;
    border-radius: 50%;
    background: linear-gradient(135deg, var(--primary), var(--purple));
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.8rem;
    color: #fff;
    box-shadow: 0 10px 24px rgba(52, 152, 219, 0.35);
}

.login-box h2 {
    color: var(--dark);
    margin-bottom: 4px;
    font-size: 1.4rem;
}

.login-sub {
    color: var(--gray);
    font-size: 0.85rem;
    margin-bottom: 24px;
}

.login-box .form-group {
    text-align: left;
}

.login-box input {
    padding: 13px 14px;
}

.login-footer {
    margin-top: 22px;
    display: flex;
    flex-direction: column;
    gap: 8px;
    font-size: 0.78rem;
    color: var(--gray);
}

.login-footer a {
    color: var(--primary);
    text-decoration: none;
    font-weight: 600;
}

.login-footer a:hover {
    text-decoration: underline;
}

/* ============ 模态框 ============ */
.modal {
    display: none;
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: rgba(0, 0, 0, 0.5);
    z-index: 1500;
    justify-content: center;
    align-items: center;
    backdrop-filter: blur(3px);
}

.modal.show {
    display: flex;
}

.modal-content {
    background: #fff;
    padding: 30px;
    border-radius: var(--radius);
    box-shadow: 0 20px 60px rgba(0, 0, 0, 0.25);
    width: 90%;
    max-width: 520px;
    max-height: 90vh;
    overflow-y: auto;
    position: relative;
    animation: modalIn 0.3s cubic-bezier(0.25, 0.8, 0.25, 1);
}

@keyframes modalIn {
    from { transform: translateY(24px) scale(0.96); opacity: 0; }
    to { transform: translateY(0) scale(1); opacity: 1; }
}

.modal-title {
    font-size: 1.35rem;
    color: var(--dark);
    margin-bottom: 20px;
    display: flex;
    align-items: center;
    gap: 10px;
}

.modal-title i {
    color: var(--primary);
}

.close-modal {
    position: absolute;
    top: 14px;
    right: 18px;
    background: none;
    border: none;
    font-size: 1.6rem;
    cursor: pointer;
    color: var(--gray);
    line-height: 1;
    transition: var(--transition);
    padding: 4px 8px;
}

.close-modal:hover {
    color: var(--danger);
    transform: rotate(90deg);
}

/* ============ 响应式 ============ */
@media (max-width: 900px) {
    .admin-item {
        flex-direction: column;
    }

    .admin-item-actions {
        justify-content: flex-start;
        width: 100%;
    }

    .form-row {
        grid-template-columns: 1fr;
    }
}

@media (max-width: 640px) {
    body {
        padding: 0;
    }

    .container {
        border-radius: 0;
    }

    .content-area {
        padding: 18px 14px;
    }

    h1 {
        font-size: 1.6rem;
    }

    .info-grid {
        grid-template-columns: 1fr;
        gap: 16px;
    }

    .batch-actions {
        flex-direction: column;
    }

    .batch-form {
        width: 100%;
    }
}

/* ============================================================
   升级新增样式：搜索 / 拖拽排序 / toast / 导出 / 日志管理 / 改密
   ============================================================ */

/* 批量按钮配色补充 */
.batch-btn.purple { background: linear-gradient(90deg, var(--purple), var(--purple-dark)); }
.batch-btn.purple:hover { background: linear-gradient(90deg, var(--purple-dark), #773c9e); transform: translateY(-2px); }
.batch-btn.blue { background: linear-gradient(90deg, var(--primary), var(--primary-dark)); }
.batch-btn.blue:hover { background: linear-gradient(90deg, var(--primary-dark), #2573a7); transform: translateY(-2px); }

/* 搜索框 */
.search-form {
    display: flex;
    gap: 10px;
    margin-bottom: 14px;
    flex-wrap: wrap;
}

.search-form input[type="text"] {
    flex: 1;
    min-width: 220px;
}

.search-tip {
    font-size: 0.82rem;
    color: var(--gray);
    margin-bottom: 14px;
}

/* 拖拽排序 */
.drag-tip {
    font-size: 0.8rem;
    color: #adb5bd;
    margin-bottom: 10px;
}

.admin-item {
    cursor: default;
}

.drag-handle {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    width: 30px;
    min-height: 36px;
    color: #adb5bd;
    font-size: 0.95rem;
    border-radius: 8px;
    cursor: grab;
    transition: var(--transition);
}

.drag-handle:hover {
    color: var(--primary);
    background: #eef4fb;
}

.drag-handle:active {
    cursor: grabbing;
}

.admin-item.dragging {
    opacity: 0.55;
    border-style: dashed;
    border-color: var(--primary);
    transform: scale(0.99);
}

/* 后台 toast 通知 */
.admin-toast {
    position: fixed;
    top: 22px;
    right: 22px;
    padding: 13px 22px;
    background: linear-gradient(90deg, var(--secondary), var(--secondary-dark));
    color: #fff;
    border-radius: var(--radius);
    box-shadow: 0 12px 30px rgba(0, 0, 0, 0.25);
    opacity: 0;
    transform: translateY(-16px) translateX(24px);
    transition: opacity 0.35s, transform 0.35s;
    z-index: 3000;
    font-size: 0.92rem;
    max-width: 360px;
    pointer-events: none;
}

.admin-toast.show {
    opacity: 1;
    transform: translateY(0) translateX(0);
}

.admin-toast.error {
    background: linear-gradient(90deg, var(--danger), var(--danger-dark));
}

/* 面板内链接（查看全部日志等） */
.panel-link {
    margin-left: auto;
    font-size: 0.82rem;
    color: var(--primary);
    text-decoration: none;
    font-weight: 600;
}

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

/* 日志管理按钮区 */
.log-actions {
    display: flex;
    gap: 10px;
    margin-top: 16px;
    flex-wrap: wrap;
    align-items: center;
}

/* 修改密码：三列布局 */
.password-form .form-row {
    grid-template-columns: 1fr 1fr 1fr;
}

@media (max-width: 900px) {
    .password-form .form-row {
        grid-template-columns: 1fr;
    }
}