/* 全局样式 */
:root {
    --primary-color: #4a6cf7;
    --secondary-color: #2c3e50;
    --background-color: #f8f9fc;
    --text-color: #333333;
    --border-color: #e1e4e8;
    --card-shadow: 0 4px 6px rgba(0, 0, 0, 0.07);
    --card-hover-shadow: 0 8px 15px rgba(0, 0, 0, 0.1);
    --success-color: #10b981;
    --warning-color: #f59e0b;
    --danger-color: #ef4444;
    --info-color: #3b82f6;
}

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

body {
    font-family: 'Inter', 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
    line-height: 1.6;
    color: var(--text-color);
    background-color: var(--background-color);
    display: flex;
    flex-direction: column;
    min-height: 100vh;
    font-size: 16px;
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
}

.container {
    max-width: 1400px;
    margin: 0 auto;
    padding: 0 20px;
    width: 100%;
}

/* 头部样式 */
header {
    background-color: var(--secondary-color);
    color: #fff;
    padding: 1rem 0;
    box-shadow: 0 2px 4px rgba(0, 0, 0, 0.1);
}

.header-content {
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.header-content h1 {
    font-size: 1.5rem;
    font-weight: 300;
}

nav ul {
    display: flex;
    list-style-type: none;
}

nav ul li {
    margin-left: 1.5rem;
}

nav ul li a {
    color: #fff;
    text-decoration: none;
    font-weight: 300;
    transition: color 0.3s ease;
}

nav ul li a:hover {
    color: var(--primary-color);
}

/* 主要内容样式 */
main {
    flex: 1;
    padding: 1rem 0;
}

/* 登录页面样式 */
.login-page {
    display: flex;
    justify-content: center;
    align-items: center;
    min-height: 100vh;
    background-color: #f0f2f5;
}

.login-container {
    width: 400px;
    height: 400px;
    background-color: #fff;
    border-radius: 8px;
    box-shadow: 0 4px 6px rgba(0, 0, 0, 0.1);
    padding: 2rem;
    display: flex;
    flex-direction: column;
    justify-content: center;
}

.login-form {
    display: flex;
    flex-direction: column;
}

.login-form h2 {
    text-align: center;
    margin-bottom: 2rem;
    color: var(--secondary-color);
    font-size: 1.8rem;
}

.login-form .form-group {
    margin-bottom: 1.5rem;
}

.login-form input[type="text"],
.login-form input[type="password"] {
    width: 100%;
    padding: 0.75rem;
    border: 1px solid var(--border-color);
    border-radius: 4px;
    font-size: 1rem;
    transition: border-color 0.3s ease;
}

.login-form input[type="text"]:focus,
.login-form input[type="password"]:focus {
    outline: none;
    border-color: var(--primary-color);
}

.login-form button {
    width: 100%;
    padding: 0.75rem;
    background-color: var(--primary-color);
    color: #fff;
    border: none;
    border-radius: 4px;
    cursor: pointer;
    font-size: 1rem;
    transition: background-color 0.3s ease;
}

.login-form button:hover {
    background-color: #2980b9;
}

/* 首页样式 */
.dashboard {
    max-width: 1400px;
    margin: 0 auto;
    padding: 24px;
}

/* 统计周期选择器 */
.period-selector {
    background-color: #fff;
    border-radius: 12px;
    padding: 24px;
    margin-bottom: 24px;
    box-shadow: var(--card-shadow);
    display: flex;
    justify-content: space-between;
    align-items: center;
    transition: box-shadow 0.3s ease;
}

.period-selector:hover {
    box-shadow: var(--card-hover-shadow);
}

.period-selector h2 {
    margin: 0;
    color: var(--text-color);
    font-weight: 600;
    font-size: 1.25rem;
}

.period-selector form {
    display: flex;
    align-items: center;
    gap: 12px;
}

.period-buttons {
    display: flex;
    justify-content: center;
    gap: 12px;
    margin-top: 0px;
}

.btn {
    padding: 8px 16px;
    border-radius: 8px;
    font-weight: 500;
    font-size: 0.875rem;
    transition: all 0.2s ease;
    cursor: pointer;
    border: none;
}

.btn-primary {
    background-color: var(--primary-color);
    color: white;
}

.btn-primary:hover {
    background-color: #3a5bd9;
    transform: translateY(-1px);
}

.btn-secondary {
    background-color: #f1f5f9;
    color: var(--text-color);
}

.btn-secondary:hover {
    background-color: #e2e8f0;
}

/* 统计卡片 */
.stats-cards {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    gap: 24px;
    margin-bottom: 32px;
}

.stat-card {
    background-color: #fff;
    border-radius: 12px;
    padding: 24px;
    box-shadow: var(--card-shadow);
    display: flex;
    align-items: center;
    transition: all 0.3s ease;
    position: relative;
    overflow: hidden;
}

.stat-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 4px;
    height: 100%;
    background-color: var(--primary-color);
}

.stat-card:hover {
    transform: translateY(-4px);
    box-shadow: var(--card-hover-shadow);
}

.stat-icon {
    width: 60px;
    height: 60px;
    border-radius: 12px;
    display: flex;
    align-items: center;
    justify-content: center;
    margin-right: 20px;
    background-color: rgba(74, 108, 247, 0.1);
}

.stat-icon i {
    font-size: 28px;
    color: var(--primary-color);
}

.stat-content {
    flex: 1;
}

.stat-content h3 {
    margin: 0 0 8px 0;
    font-size: 0.875rem;
    font-weight: 500;
    color: #64748b;
    text-transform: uppercase;
    letter-spacing: 0.05em;
}

.stat-number {
    font-size: 2.25rem;
    font-weight: 700;
    color: var(--text-color);
    margin: 0;
    line-height: 1.2;
}

/* Dashboard网格 */
.dashboard-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(420px, 1fr));
    gap: 24px;
    margin-bottom: 32px;
}

.dashboard-card {
    background-color: #fff;
    border-radius: 12px;
    padding: 24px;
    box-shadow: var(--card-shadow);
    transition: all 0.3s ease;
    position: relative;
}

.dashboard-card:hover {
    box-shadow: var(--card-hover-shadow);
}

.dashboard-card h3 {
    margin-top: 0;
    margin-bottom: 16px;
    color: var(--text-color);
    font-weight: 600;
    font-size: 1.125rem;
    display: flex;
    align-items: center;
    justify-content: space-between;
}

.dashboard-card h3::after {
    content: '';
    height: 3px;
    width: 40px;
    background-color: var(--primary-color);
    border-radius: 3px;
}

.table-container {
    max-height: 800px;
    overflow-y: auto;
    margin-top: 16px;
}

.table-responsive {
    overflow-x: auto;
    border-radius: 8px;
    border: 1px solid var(--border-color);
}

.data-table {
    width: 100%;
    border-collapse: collapse;
    font-size: 0.875rem;
}

.data-table th {
    background-color: #f8fafc;
    color: var(--text-color);
    font-weight: 600;
    text-align: left;
    padding: 12px 16px;
    border-bottom: 1px solid var(--border-color);
    position: sticky;
    top: 0;
    z-index: 1;
}

.data-table td {
    padding: 12px 16px;
    border-bottom: 1px solid #f1f5f9;
    color: var(--text-color);
}

.data-table tr:last-child td {
    border-bottom: none;
}

.data-table tr:hover td {
    background-color: #f8fafc;
}

/* 效率条 */
.efficiency-bar {
    position: relative;
    height: 8px;
    background-color: #f1f5f9;
    border-radius: 4px;
    overflow: hidden;
    margin-top: 4px;
}

.efficiency-fill {
    height: 100%;
    background: linear-gradient(90deg, var(--primary-color), #6366f1);
    border-radius: 4px;
    transition: width 0.8s ease;
}

.efficiency-text {
    font-size: 0.875rem;
    font-weight: 600;
    color: var(--text-color);
    margin-top: 4px;
    display: block;
}

/* LED状态样式 */
.led-status {
    display: flex;
    flex-wrap: wrap;
    gap: 4px 8px;
    font-size: 0.75rem;
    line-height: 1.2;
}

.led-item {
    background-color: #f0f0f0;
    padding: 2px 6px;
    border-radius: 4px;
    white-space: nowrap;
    display: inline-block;
}

.led-item:nth-child(1) {
    background-color: #e3f2fd;
    color: #1976d2;
}

.led-item:nth-child(2) {
    background-color: #ffebee;
    color: #d32f2f;
}

.led-item:nth-child(3) {
    background-color: #e8f5e9;
    color: #388e3c;
}

.led-item:nth-child(4) {
    background-color: #fafafa;
    color: #616161;
}

/* 功能状态样式 */
.function-status {
    display: flex;
    flex-wrap: wrap;
    gap: 4px 8px;
    font-size: 0.75rem;
    line-height: 1.2;
}

.function-item {
    background-color: #f0f0f0;
    padding: 2px 6px;
    border-radius: 4px;
    white-space: nowrap;
    display: inline-block;
}

.function-item:nth-child(1) {
    background-color: #e8eaf6;
    color: #3949ab;
}

.function-item:nth-child(2) {
    background-color: #fff3e0;
    color: #f57c00;
}

.function-item:nth-child(3) {
    background-color: #e1f5fe;
    color: #0288d1;
}

.search-section,
.results-section {
    background-color: #fff;
    border-radius: 12px;
    box-shadow: var(--card-shadow);
    padding: 24px;
    margin-bottom: 24px;
    transition: box-shadow 0.3s ease;
}

.search-section:hover,
.results-section:hover {
    box-shadow: var(--card-hover-shadow);
}

.search-form {
    display: flex;
    flex-wrap: wrap;
    align-items: flex-end;
    gap: 1rem;
}

.search-form .form-group {
    flex: 1;
    min-width: 180px;
    margin-bottom: 0;
}

.search-form .button-group {
    display: flex;
    justify-content: flex-end;
    margin-left: auto;
}

/* 导入页样式 */
.import-section {
    width: 100%;
    background-color: #fff;
    border-radius: 8px;
    box-shadow: 0 4px 6px rgba(0, 0, 0, 0.1);
    padding: 2rem;
}

.import-section h2 {
    color: var(--secondary-color);
    margin-bottom: 1.5rem;
    font-size: 1.5rem;
}

.import-form {
    margin-bottom: 2rem;
}

.mapping-form table {
    width: 100%;
    border-collapse: collapse;
}

.mapping-form th,
.mapping-form td {
    padding: 0.75rem;
    text-align: left;
    border-bottom: 1px solid var(--border-color);
}

.mapping-form th {
    background-color: #f8f9fa;
    font-weight: 500;
}

/* 表单样式 */
.form-group {
    margin-bottom: 1.25rem;
}

label {
    display: block;
    margin-bottom: 0.5rem;
    font-weight: 500;
    font-size: 0.875rem;
    color: var(--text-color);
}

input[type="text"],
input[type="password"],
input[type="date"],
select {
    width: 100%;
    padding: 0.75rem 1rem;
    border: 1px solid var(--border-color);
    border-radius: 8px;
    font-size: 0.875rem;
    transition: all 0.2s ease;
    background-color: #fff;
}

input[type="text"]:focus,
input[type="password"]:focus,
input[type="date"]:focus,
select:focus {
    outline: none;
    border-color: var(--primary-color);
    box-shadow: 0 0 0 3px rgba(74, 108, 247, 0.1);
}

button {
    background-color: var(--primary-color);
    color: #fff;
    padding: 0.75rem 1.5rem;
    border: none;
    border-radius: 8px;
    cursor: pointer;
    font-size: 0.875rem;
    font-weight: 500;
    transition: all 0.2s ease;
}

button:hover {
    background-color: #3a5bd9;
    transform: translateY(-1px);
    box-shadow: 0 4px 8px rgba(74, 108, 247, 0.2);
}

/* 表格样式 */
.table-container {
    overflow-x: auto;
    border-radius: 8px;
    border: 1px solid var(--border-color);
}

table {
    width: 100%;
    border-collapse: collapse;
    font-size: 0.875rem;
}

th, td {
    padding: 0.75rem 1rem;
    text-align: left;
    border-bottom: 1px solid var(--border-color);
}

th {
    background-color: #f8fafc;
    color: var(--text-color);
    font-weight: 600;
    font-size: 0.75rem;
    position: sticky;
    top: 0;
    z-index: 1;
}

td {
    font-size: 0.75rem;
}

/* 时间列特殊样式 */
td:nth-child(2) {
    max-width: 120px;
    min-width: 100px;
}

/* 其它特殊样式 */
td:nth-child(1), 
td:nth-child(3), 
td:nth-child(12){
    max-width: 120px;
    white-space: normal;
    word-wrap: break-word;
}

/* LED状态和功能状态列特殊样式 */
td:nth-child(7),
td:nth-child(10) {
    white-space: normal;
    max-width: 120px;
}

tr:nth-child(even) {
    background-color: #f8fafc;
}

tr:hover td {
    background-color: #f1f5f9;
}

/* 消息样式 */
.message {
    padding: 1rem;
    margin-bottom: 1rem;
    border-radius: 4px;
    font-weight: 500;
    font-size: 0.9rem;
}

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

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

/* 页脚样式 */
footer {
    background-color: var(--secondary-color);
    color: #fff;
    padding: 1rem 0;
    text-align: center;
    font-size: 0.9rem;
}

/* 响应式设计 */
@media (max-width: 768px) {
    .header-content {
        flex-direction: column;
        text-align: center;
    }

    nav ul {
        margin-top: 1rem;
    }

    nav ul li {
        margin: 0 0.75rem;
    }

    .dashboard .search-form {
        flex-direction: column;
        align-items: stretch;
    }
    
    .dashboard .search-form .form-group {
        min-width: 100%;
    }
    
    .dashboard .search-form .button-group {
        justify-content: flex-start;
        margin-left: 0;
        margin-top: 1rem;
    }
    
    /* 表格响应式样式 */
    .table-container {
        font-size: 0.75rem;
    }
    
    td {
        padding: 0.5rem 0.75rem;
        max-width: 100px;
    }
    
    td:nth-child(2) {
        max-width: 80px;
    }
    
    td:nth-child(7),
    td:nth-child(10) {
        max-width: 150px;
    }
    
    .led-status,
    .function-status {
        font-size: 0.7rem;
    }
    
    .stats-cards {
        grid-template-columns: 1fr;
    }
    
    .dashboard-grid {
        grid-template-columns: 1fr;
    }
    
    .period-selector {
        flex-direction: column;
        align-items: flex-start;
    }
    
    .period-buttons {
        width: 100%;
        justify-content: space-between;
    }
}

/* 添加图标字体 */
@import url('https://fonts.googleapis.com/css2?family=Inter:wght@400;500;600;700&display=swap');

/* 添加动画效果 */
@keyframes fadeIn {
    from { opacity: 0; transform: translateY(10px); }
    to { opacity: 1; transform: translateY(0); }
}

.stat-card, .dashboard-card {
    animation: fadeIn 0.5s ease-out;
}

/* 添加加载状态 */
.loading {
    position: relative;
    overflow: hidden;
}

.loading::after {
    content: '';
    position: absolute;
    top: 0;
    left: -100%;
    width: 100%;
    height: 100%;
    background: linear-gradient(90deg, transparent, rgba(255,255,255,0.4), transparent);
    animation: loading 1.5s infinite;
}

@keyframes loading {
    0% { left: -100%; }
    100% { left: 100%; }
}

.results-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 1.5rem;
    padding-bottom: 1rem;
    border-bottom: 1px solid var(--border-color);
}

.results-header h2 {
    margin: 0;
    font-weight: 600;
    color: var(--text-color);
}

.export-form {
    margin: 0;
}

.export-btn {
    background-color: var(--success-color);
    color: #fff;
    padding: 0.625rem 1.25rem;
    border: none;
    border-radius: 8px;
    cursor: pointer;
    font-size: 0.875rem;
    font-weight: 500;
    transition: all 0.2s ease;
    display: flex;
    align-items: center;
    gap: 0.5rem;
}

.export-btn:hover {
    background-color: #059669;
    transform: translateY(-1px);
    box-shadow: 0 4px 8px rgba(16, 185, 129, 0.2);
}