/* ===== 基础样式重置 ===== */
* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

body {
    font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
    background: linear-gradient(135deg, #fce4ec 0%, #f8bbd0 25%, #e1bee7 50%, #f8bbd0 75%, #fce4ec 100%);
    background-size: 400% 400%;
    animation: gradientShift 15s ease infinite;
    min-height: 100vh;
    color: #333;
    overflow-x: hidden;
}

@keyframes gradientShift {
    0% { background-position: 0% 50%; }
    50% { background-position: 100% 50%; }
    100% { background-position: 0% 50%; }
}

/* ===== 背景装饰 ===== */
.bg-decoration {
    position: fixed;
    top: 0;
    left: 0;
    width: 300px;
    height: 300px;
    background: radial-gradient(circle, rgba(255,182,193,0.3) 0%, rgba(255,182,193,0) 70%);
    border-radius: 50%;
    animation: float 6s ease-in-out infinite;
    z-index: -1;
}

.bg-decoration-2 {
    top: auto;
    bottom: -100px;
    right: -100px;
    width: 400px;
    height: 400px;
    background: radial-gradient(circle, rgba(219,112,147,0.2) 0%, rgba(219,112,147,0) 70%);
    animation-delay: -3s;
}

@keyframes float {
    0%, 100% { transform: translateY(0px) rotate(0deg); }
    50% { transform: translateY(-20px) rotate(180deg); }
}

/* ===== 登录页面 ===== */
#login-container {
    display: flex;
    justify-content: center;
    align-items: center;
    min-height: 100vh;
    padding: 20px;
}

.login-card {
    background: rgba(255, 255, 255, 0.95);
    backdrop-filter: blur(10px);
    padding: 40px;
    border-radius: 20px;
    box-shadow: 0 20px 40px rgba(0, 0, 0, 0.1);
    width: 100%;
    max-width: 400px;
    text-align: center;
    border: 1px solid rgba(255, 255, 255, 0.2);
}

.login-header {
    margin-bottom: 30px;
}

.login-header i {
    font-size: 48px;
    color: #e91e63;
    margin-bottom: 15px;
}

.login-header h1 {
    color: #333;
    font-size: 28px;
    margin-bottom: 10px;
}

.login-header p {
    color: #666;
    font-size: 14px;
}

#login-form {
    display: flex;
    flex-direction: column;
    gap: 20px;
}

.form-group {
    position: relative;
}

.form-group i {
    position: absolute;
    left: 15px;
    top: 50%;
    transform: translateY(-50%);
    color: #e91e63;
    z-index: 1;
}

.form-group input {
    width: 100%;
    padding: 15px 15px 15px 45px;
    border: 2px solid #fce4ec;
    border-radius: 25px;
    font-size: 16px;
    background: rgba(255, 255, 255, 0.8);
    transition: all 0.3s ease;
}

.form-group input:focus {
    outline: none;
    border-color: #e91e63;
    box-shadow: 0 0 0 3px rgba(233, 30, 99, 0.1);
}

/* ===== 按钮样式 ===== */
.btn-primary {
    background: linear-gradient(135deg, #e91e63, #f06292);
    color: white;
    border: none;
    padding: 15px 30px;
    border-radius: 25px;
    font-size: 16px;
    font-weight: 600;
    cursor: pointer;
    transition: all 0.3s ease;
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 10px;
}

.btn-primary:hover {
    transform: translateY(-2px);
    box-shadow: 0 10px 20px rgba(233, 30, 99, 0.3);
}

.btn-secondary {
    background: linear-gradient(135deg, #f8bbd0, #e91e63);
    color: white;
    border: none;
    padding: 12px 24px;
    border-radius: 20px;
    font-size: 14px;
    font-weight: 600;
    cursor: pointer;
    transition: all 0.3s ease;
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 8px;
}

.btn-secondary:hover {
    transform: translateY(-1px);
    box-shadow: 0 5px 15px rgba(233, 30, 99, 0.2);
}

.btn-danger {
    background: linear-gradient(135deg, #ff6b6b, #ee5a52);
    color: white;
    border: none;
    padding: 12px 24px;
    border-radius: 20px;
    font-size: 14px;
    font-weight: 600;
    cursor: pointer;
    transition: all 0.3s ease;
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 8px;
}

.btn-danger:hover {
    transform: translateY(-1px);
    box-shadow: 0 5px 15px rgba(255, 107, 107, 0.2);
}

.btn-logout {
    background: transparent;
    color: #e91e63;
    border: 2px solid #e91e63;
    padding: 10px 20px;
    border-radius: 20px;
    font-size: 14px;
    font-weight: 600;
    cursor: pointer;
    transition: all 0.3s ease;
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 8px;
    width: 100%;
}

.btn-logout:hover {
    background: #e91e63;
    color: white;
}

/* ===== 主界面布局 ===== */
#main-container {
    display: flex;
    min-height: 100vh;
}

/* ===== 侧边栏 ===== */
.sidebar {
    width: 260px;
    background: rgba(255, 255, 255, 0.95);
    backdrop-filter: blur(10px);
    border-right: 1px solid rgba(233, 30, 99, 0.1);
    display: flex;
    flex-direction: column;
    box-shadow: 2px 0 10px rgba(0, 0, 0, 0.05);
}

.sidebar-header {
    padding: 30px 20px;
    text-align: center;
    border-bottom: 1px solid rgba(233, 30, 99, 0.1);
}

.sidebar-header i {
    font-size: 32px;
    color: #e91e63;
    margin-bottom: 10px;
}

.sidebar-header h2 {
    color: #333;
    font-size: 20px;
    font-weight: 600;
}

.sidebar-menu {
    flex: 1;
    padding: 20px 0;
    list-style: none;
}

.menu-item {
    display: flex;
    align-items: center;
    gap: 15px;
    padding: 15px 20px;
    color: #666;
    cursor: pointer;
    transition: all 0.3s ease;
    border-left: 3px solid transparent;
}

.menu-item:hover {
    background: rgba(233, 30, 99, 0.05);
    color: #e91e63;
}

.menu-item.active {
    background: rgba(233, 30, 99, 0.1);
    color: #e91e63;
    border-left-color: #e91e63;
}

.menu-item i {
    font-size: 18px;
    width: 20px;
    text-align: center;
}

.sidebar-footer {
    padding: 20px;
    border-top: 1px solid rgba(233, 30, 99, 0.1);
}

/* ===== 主内容区 ===== */
.main-content {
    flex: 1;
    padding: 0;
    background: transparent;
}

.header {
    background: rgba(255, 255, 255, 0.95);
    backdrop-filter: blur(10px);
    padding: 20px 30px;
    border-bottom: 1px solid rgba(233, 30, 99, 0.1);
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.header-left h1 {
    color: #333;
    font-size: 24px;
    font-weight: 600;
}

.header-right {
    display: flex;
    align-items: center;
    gap: 20px;
}

.user-info {
    display: flex;
    align-items: center;
    gap: 10px;
    color: #666;
    font-size: 14px;
}

.user-info i {
    font-size: 24px;
    color: #e91e63;
}

.status-indicator {
    display: flex;
    align-items: center;
    gap: 8px;
    color: #4caf50;
    font-size: 14px;
    font-weight: 600;
}

.status-indicator i {
    font-size: 8px;
    animation: pulse 2s infinite;
}

@keyframes pulse {
    0% { opacity: 1; }
    50% { opacity: 0.5; }
    100% { opacity: 1; }
}

/* ===== 页面内容 ===== */
.tab-content {
    display: none;
    padding: 30px;
    animation: fadeIn 0.5s ease;
}

.tab-content.active {
    display: block;
}

@keyframes fadeIn {
    from { opacity: 0; transform: translateY(20px); }
    to { opacity: 1; transform: translateY(0); }
}

.page-actions {
    display: flex;
    gap: 15px;
    margin-bottom: 30px;
    flex-wrap: wrap;
}

.form-select {
    padding: 12px 20px;
    border: 2px solid #fce4ec;
    border-radius: 20px;
    background: rgba(255, 255, 255, 0.9);
    font-size: 14px;
    color: #333;
    cursor: pointer;
    transition: all 0.3s ease;
}

.form-select:focus {
    outline: none;
    border-color: #e91e63;
    box-shadow: 0 0 0 3px rgba(233, 30, 99, 0.1);
}

/* ===== 卡片网格 ===== */
.cards-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(300px, 1fr));
    gap: 20px;
}

/* ===== 机器人卡片 ===== */
.bot-card {
    background: rgba(255, 255, 255, 0.95);
    backdrop-filter: blur(10px);
    border-radius: 20px;
    padding: 25px;
    box-shadow: 0 10px 30px rgba(0, 0, 0, 0.1);
    border: 1px solid rgba(255, 255, 255, 0.2);
    transition: all 0.3s ease;
}

.bot-card:hover {
    transform: translateY(-5px);
    box-shadow: 0 15px 40px rgba(0, 0, 0, 0.15);
}

.bot-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 20px;
}

.bot-info h3 {
    color: #333;
    font-size: 18px;
    font-weight: 600;
    margin-bottom: 5px;
}

.bot-info p {
    color: #666;
    font-size: 12px;
}

.bot-status {
    padding: 6px 12px;
    border-radius: 15px;
    font-size: 12px;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 0.5px;
}

.status-online { 
    background: linear-gradient(135deg, #4caf50, #8bc34a);
    color: white; 
}
.status-offline { 
    background: linear-gradient(135deg, #f44336, #ff5722);
    color: white; 
}
.status-connecting { 
    background: linear-gradient(135deg, #ff9800, #ffc107);
    color: white; 
}

.bot-controls {
    display: flex;
    gap: 8px;
    flex-wrap: wrap;
}

.bot-controls button {
    padding: 8px 16px;
    border: none;
    border-radius: 15px;
    font-size: 12px;
    font-weight: 600;
    cursor: pointer;
    transition: all 0.3s ease;
    flex: 1;
    min-width: 60px;
}

.btn-connect { 
    background: linear-gradient(135deg, #4caf50, #8bc34a);
    color: white; 
}
.btn-disconnect { 
    background: linear-gradient(135deg, #f44336, #ff5722);
    color: white; 
}
.btn-reconnect { 
    background: linear-gradient(135deg, #ff9800, #ffc107);
    color: white; 
}
.btn-pull { 
    background: linear-gradient(135deg, #2196f3, #03a9f4);
    color: white; 
}

.bot-controls button:hover {
    transform: translateY(-1px);
    box-shadow: 0 5px 15px rgba(0, 0, 0, 0.2);
}

/* ===== 珍珠卡片 ===== */
.pearl-card {
    background: rgba(255, 255, 255, 0.95);
    backdrop-filter: blur(10px);
    border-radius: 20px;
    padding: 25px;
    box-shadow: 0 10px 30px rgba(0, 0, 0, 0.1);
    border: 1px solid rgba(255, 255, 255, 0.2);
    transition: all 0.3s ease;
}

.pearl-card:hover {
    transform: translateY(-5px);
    box-shadow: 0 15px 40px rgba(0, 0, 0, 0.15);
}

.pearl-header {
    display: flex;
    align-items: center;
    gap: 15px;
    margin-bottom: 15px;
}

.pearl-header i {
    font-size: 24px;
    color: #e91e63;
}

.pearl-header h4 {
    color: #333;
    font-size: 16px;
    font-weight: 600;
}

.pearl-info {
    color: #666;
    font-size: 14px;
    line-height: 1.6;
}

.pearl-coords {
    background: rgba(233, 30, 99, 0.05);
    padding: 10px 15px;
    border-radius: 10px;
    margin: 10px 0;
    font-family: 'Courier New', monospace;
    font-size: 12px;
    color: #e91e63;
}

.pearl-actions {
    margin-top: 15px;
}

/* ===== 珍珠选择卡片 ===== */
.pearl-selection-card {
    background: rgba(255, 255, 255, 0.95);
    backdrop-filter: blur(10px);
    border-radius: 20px;
    padding: 20px;
    box-shadow: 0 10px 30px rgba(0, 0, 0, 0.1);
    border: 2px solid transparent;
    transition: all 0.3s ease;
    cursor: pointer;
    position: relative;
    overflow: hidden;
}

.pearl-selection-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: linear-gradient(135deg, rgba(233, 30, 99, 0.05), rgba(233, 30, 99, 0.1));
    opacity: 0;
    transition: opacity 0.3s ease;
}

.pearl-selection-card:hover {
    transform: translateY(-3px);
    box-shadow: 0 15px 40px rgba(0, 0, 0, 0.15);
}

.pearl-selection-card.selected {
    border-color: #e91e63;
    background: rgba(233, 30, 99, 0.05);
}

.pearl-selection-card.selected::before {
    opacity: 1;
}

.pearl-card-header {
    display: flex;
    align-items: center;
    gap: 15px;
    margin-bottom: 15px;
    position: relative;
    z-index: 1;
}

.pearl-icon {
    display: flex;
    align-items: center;
    justify-content: center;
    width: 48px;
    height: 48px;
    background: rgba(233, 30, 99, 0.1);
    border-radius: 50%;
    flex-shrink: 0;
}

.pearl-icon i {
    font-size: 24px;
    color: #e91e63;
}

.pearl-card-header h4 {
    color: #333;
    font-size: 18px;
    font-weight: 600;
    margin: 0;
}

.pearl-card-info {
    position: relative;
    z-index: 1;
}

.pearl-coords,
.pearl-world {
    display: flex;
    align-items: center;
    gap: 10px;
    margin-bottom: 8px;
    font-size: 14px;
    color: #666;
}

.pearl-coords i,
.pearl-world i {
    color: #e91e63;
    font-size: 14px;
    width: 16px;
    text-align: center;
}

.pearl-card-select {
    margin-top: 15px;
    position: relative;
    z-index: 1;
}

.pearl-card-select input[type="radio"] {
    display: none;
}

.pearl-card-select label {
    display: inline-block;
    padding: 8px 16px;
    background: linear-gradient(135deg, #f8bbd0, #e91e63);
    color: white;
    border-radius: 15px;
    font-size: 12px;
    font-weight: 600;
    cursor: pointer;
    transition: all 0.3s ease;
}

.pearl-card-select label:hover {
    transform: translateY(-1px);
    box-shadow: 0 5px 15px rgba(233, 30, 99, 0.3);
}

.pearl-selection-card.selected .pearl-card-select label {
    background: linear-gradient(135deg, #e91e63, #f06292);
    box-shadow: 0 5px 15px rgba(233, 30, 99, 0.4);
}

.pearl-cards-container {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(280px, 1fr));
    gap: 20px;
    margin-bottom: 20px;
    max-height: 400px;
    overflow-y: auto;
    padding: 10px;
    border: 2px solid #fce4ec;
    border-radius: 15px;
    background: rgba(255, 255, 255, 0.5);
}

.pearl-cards-container::-webkit-scrollbar {
    width: 8px;
}

.pearl-cards-container::-webkit-scrollbar-track {
    background: rgba(233, 30, 99, 0.1);
    border-radius: 4px;
}

.pearl-cards-container::-webkit-scrollbar-thumb {
    background: linear-gradient(135deg, #e91e63, #f06292);
    border-radius: 4px;
}

.pearl-cards-container::-webkit-scrollbar-thumb:hover {
    background: linear-gradient(135deg, #f06292, #e91e63);
}

/* ===== 珍珠详情卡片 ===== */
.pearl-detail-card {
    background: linear-gradient(135deg, rgba(233, 30, 99, 0.05), rgba(248, 187, 208, 0.1));
    border-radius: 20px;
    padding: 25px;
    border: 2px solid rgba(233, 30, 99, 0.2);
    margin-bottom: 20px;
}

.pearl-detail-header {
    display: flex;
    align-items: center;
    gap: 15px;
    margin-bottom: 20px;
}

.pearl-detail-icon {
    display: flex;
    align-items: center;
    justify-content: center;
    width: 56px;
    height: 56px;
    background: rgba(233, 30, 99, 0.1);
    border-radius: 50%;
    flex-shrink: 0;
}

.pearl-detail-icon i {
    font-size: 28px;
    color: #e91e63;
}

.pearl-detail-header h4 {
    color: #333;
    font-size: 20px;
    font-weight: 600;
    margin: 0;
}

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

.detail-item {
    display: flex;
    align-items: center;
    gap: 12px;
    padding: 10px 15px;
    background: rgba(255, 255, 255, 0.8);
    border-radius: 10px;
    font-size: 14px;
    color: #666;
}

.detail-item i {
    color: #e91e63;
    font-size: 16px;
    width: 20px;
    text-align: center;
}

.detail-item span {
    font-weight: 500;
}

/* ===== 日志容器 ===== */
.log-container {
    background: rgba(255, 255, 255, 0.95);
    backdrop-filter: blur(10px);
    border-radius: 20px;
    box-shadow: 0 10px 30px rgba(0, 0, 0, 0.1);
    border: 1px solid rgba(255, 255, 255, 0.2);
    overflow: hidden;
}

.log-header {
    background: rgba(233, 30, 99, 0.05);
    padding: 20px 25px;
    border-bottom: 1px solid rgba(233, 30, 99, 0.1);
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.log-header h3 {
    color: #333;
    font-size: 18px;
    font-weight: 600;
}

.log-filters {
    display: flex;
    gap: 5px;
}

.filter-btn {
    padding: 6px 12px;
    border: 1px solid #e91e63;
    background: transparent;
    color: #e91e63;
    border-radius: 15px;
    font-size: 12px;
    font-weight: 600;
    cursor: pointer;
    transition: all 0.3s ease;
}

.filter-btn.active,
.filter-btn:hover {
    background: #e91e63;
    color: white;
}

.log-content {
    height: 500px;
    overflow-y: auto;
    padding: 20px;
    font-family: 'Courier New', monospace;
    font-size: 13px;
    line-height: 1.6;
}

.log-entry {
    margin-bottom: 8px;
    padding: 10px 15px;
    border-radius: 10px;
    border-left: 4px solid;
    animation: slideIn 0.3s ease;
}

@keyframes slideIn {
    from { opacity: 0; transform: translateX(-20px); }
    to { opacity: 1; transform: translateX(0); }
}

.log-info { 
    background: rgba(33, 150, 243, 0.1);
    border-left-color: #2196f3;
    color: #1976d2;
}
.log-warn { 
    background: rgba(255, 152, 0, 0.1);
    border-left-color: #ff9800;
    color: #f57c00;
}
.log-error { 
    background: rgba(244, 67, 54, 0.1);
    border-left-color: #f44336;
    color: #d32f2f;
}
.log-debug { 
    background: rgba(158, 158, 158, 0.1);
    border-left-color: #9e9e9e;
    color: #616161;
}

/* ===== 模态框 ===== */
.modal {
    display: none;
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: rgba(0, 0, 0, 0.5);
    backdrop-filter: blur(5px);
    z-index: 1000;
    animation: fadeIn 0.3s ease;
}

.modal-content {
    background: rgba(255, 255, 255, 0.95);
    backdrop-filter: blur(10px);
    margin: 5% auto;
    padding: 30px;
    border-radius: 20px;
    width: 90%;
    max-width: 500px;
    box-shadow: 0 20px 40px rgba(0, 0, 0, 0.2);
    border: 1px solid rgba(255, 255, 255, 0.2);
    animation: slideUp 0.3s ease;
}

@keyframes slideUp {
    from { opacity: 0; transform: translateY(50px); }
    to { opacity: 1; transform: translateY(0); }
}

.modal-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 25px;
}

.modal-header h2 {
    color: #333;
    font-size: 24px;
    font-weight: 600;
}

.close {
    background: none;
    border: none;
    font-size: 28px;
    color: #999;
    cursor: pointer;
    transition: color 0.3s ease;
}

.close:hover {
    color: #e91e63;
}

/* ===== 表单样式 ===== */
.form-group {
    margin-bottom: 20px;
}

.form-group label {
    display: block;
    margin-bottom: 8px;
    color: #333;
    font-weight: 600;
    font-size: 14px;
}

.form-group input,
.form-group select {
    width: 100%;
    padding: 12px 20px;
    border: 2px solid #fce4ec;
    border-radius: 15px;
    font-size: 14px;
    background: rgba(255, 255, 255, 0.9);
    transition: all 0.3s ease;
}

.form-group input:focus,
.form-group select:focus {
    outline: none;
    border-color: #e91e63;
    box-shadow: 0 0 0 3px rgba(233, 30, 99, 0.1);
}

/* ===== 美化的选择下拉框 ===== */
.select-wrapper {
    position: relative;
    display: inline-block;
    width: 100%;
}

.select-wrapper::after {
    content: '\f107';
    font-family: 'Font Awesome 5 Free';
    font-weight: 900;
    position: absolute;
    top: 50%;
    right: 15px;
    transform: translateY(-50%);
    color: #e91e63;
    pointer-events: none;
    z-index: 1;
    font-size: 16px;
}

.pearl-select {
    width: 100%;
    padding: 15px 20px;
    padding-right: 45px;
    border: 2px solid #fce4ec;
    border-radius: 20px;
    background: rgba(255, 255, 255, 0.95);
    backdrop-filter: blur(10px);
    font-size: 14px;
    color: #333;
    cursor: pointer;
    transition: all 0.3s ease;
    appearance: none;
    -webkit-appearance: none;
    -moz-appearance: none;
    box-shadow: 0 5px 15px rgba(233, 30, 99, 0.1);
}

.pearl-select:hover {
    border-color: #f06292;
    box-shadow: 0 8px 25px rgba(233, 30, 99, 0.15);
}

.pearl-select:focus {
    outline: none;
    border-color: #e91e63;
    box-shadow: 0 0 0 3px rgba(233, 30, 99, 0.1), 0 8px 25px rgba(233, 30, 99, 0.2);
}

.pearl-select option {
    background: rgba(255, 255, 255, 0.95);
    color: #333;
    padding: 12px 20px;
}

.pearl-select option:hover {
    background: rgba(233, 30, 99, 0.1);
    color: #e91e63;
}

/* 带图标的下拉框 */
.pearl-select-with-icon {
    width: 100%;
    padding: 15px 20px 15px 50px;
    padding-right: 45px;
    border: 2px solid #fce4ec;
    border-radius: 20px;
    background: rgba(255, 255, 255, 0.95) url('data:image/svg+xml,<svg xmlns="http://www.w3.org/2000/svg" viewBox="0 0 24 24" fill="%23e91e63"><path d="M12 2C6.48 2 2 6.48 2 12s4.48 10 10 10 10-4.48 10-10S17.52 2 12 2zm-2 15l-5-5 1.41-1.41L10 14.17l7.59-7.59L19 8l-9 9z"/></svg>') no-repeat 15px center;
    background-size: 24px 24px;
    font-size: 14px;
    color: #333;
    cursor: pointer;
    transition: all 0.3s ease;
    appearance: none;
    -webkit-appearance: none;
    -moz-appearance: none;
    box-shadow: 0 5px 15px rgba(233, 30, 99, 0.1);
}

.pearl-select-with-icon:hover {
    border-color: #f06292;
    box-shadow: 0 8px 25px rgba(233, 30, 99, 0.15);
}

.pearl-select-with-icon:focus {
    outline: none;
    border-color: #e91e63;
    box-shadow: 0 0 0 3px rgba(233, 30, 99, 0.1), 0 8px 25px rgba(233, 30, 99, 0.2);
}

/* 动画效果 */
@keyframes selectPulse {
    0% {
        box-shadow: 0 5px 15px rgba(233, 30, 99, 0.1);
    }
    50% {
        box-shadow: 0 8px 25px rgba(233, 30, 99, 0.2);
    }
    100% {
        box-shadow: 0 5px 15px rgba(233, 30, 99, 0.1);
    }
}

.pearl-select:focus,
.pearl-select-with-icon:focus {
    animation: selectPulse 2s infinite;
}

/* 响应式下拉框 */
@media (max-width: 768px) {
    .pearl-select,
    .pearl-select-with-icon {
        padding: 12px 15px;
        padding-right: 35px;
        font-size: 13px;
    }

    .pearl-select-with-icon {
        padding-left: 40px;
        background-size: 20px 20px;
        background-position: 10px center;
    }
}

/* ===== 响应式设计 ===== */
@media (max-width: 768px) {
    .sidebar {
        width: 200px;
    }
    
    .main-content {
        padding: 20px;
    }
    
    .cards-grid {
        grid-template-columns: 1fr;
    }
    
    .page-actions {
        flex-direction: column;
    }
    
    .form-select {
        width: 100%;
    }
    
    .header {
        flex-direction: column;
        gap: 15px;
        text-align: center;
    }
    
    .log-header {
        flex-direction: column;
        gap: 15px;
    }
}

@media (max-width: 480px) {
    .sidebar {
        width: 100%;
        position: fixed;
        top: 0;
        left: -100%;
        height: 100vh;
        z-index: 999;
        transition: left 0.3s ease;
    }
    
    .sidebar.active {
        left: 0;
    }
    
    .main-content {
        width: 100%;
    }
    
    .login-card {
        padding: 30px 20px;
    }
    
    .modal-content {
        margin: 10% auto;
        width: 95%;
        padding: 20px;
    }
}