:root {
    /* 飞书 B2B 核心色板 (白蓝主题) */
    --bg-body: #F5F6F7;
    --bg-panel: #FFFFFF;
    
    /* 文本层级 */
    --text-title: #1F2329;
    --text-primary: #1F2329;
    --text-secondary: #646A73;
    --text-tertiary: #8F959E;
    
    /* 边框与控件 */
    --border-color: #DEE0E3;
    --border-hover: #C2C6CC;
    
    /* 主色调 (经典企业蓝) */
    --primary-color: #3370FF;
    --primary-hover: #5289FF;
    --primary-active: #2458D9;
    --success-color: #10B981;
    
    /* 圆角与阴影 */
    --radius-sm: 6px;
    --radius-md: 8px;
    --shadow-sm: 0 2px 8px rgba(31, 35, 41, 0.05);
    --shadow-modal: 0 12px 32px rgba(31, 35, 41, 0.1);
}

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

body {
    font-family: 'Inter', -apple-system, BlinkMacSystemFont, "PingFang SC", "Helvetica Neue", Arial, sans-serif;
    background-color: var(--bg-body);
    color: var(--text-primary);
    line-height: 1.5;
    -webkit-font-smoothing: antialiased;
}

/* Header */
.app-header {
    background-color: var(--bg-panel);
    border-bottom: 1px solid var(--border-color);
    position: sticky;
    top: 0;
    z-index: 50;
}

.header-content {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 24px;
    height: 60px;
    display: flex;
    justify-content: space-between;
    align-items: center;
}

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

.logo h1 {
    font-size: 16px;
    font-weight: 600;
    color: var(--text-title);
    letter-spacing: 0.2px;
}

.status-bar {
    display: flex;
    align-items: center;
    gap: 8px;
    font-size: 14px;
    color: var(--text-secondary);
}

.status-dot {
    width: 8px;
    height: 8px;
    background-color: var(--success-color);
    border-radius: 50%;
}

/* Main Dashboard */
.dashboard-container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 32px 24px;
}

.toolbar {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 24px;
}

.toolbar h2 {
    font-size: 20px;
    font-weight: 600;
    color: var(--text-title);
}

.machine-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(280px, 1fr));
    gap: 16px;
}

/* Machine Card */
.machine-card {
    background: var(--bg-panel);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-md);
    padding: 20px;
    transition: all 0.2s cubic-bezier(0.34, 1.56, 0.64, 1);
    display: flex;
    flex-direction: column;
    gap: 16px;
}

.machine-card:hover {
    border-color: var(--primary-color);
    box-shadow: var(--shadow-sm);
    transform: translateY(-2px);
}

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

.machine-id {
    font-size: 16px;
    font-weight: 600;
    color: var(--text-title);
}

.status-badge {
    font-size: 12px;
    padding: 2px 8px;
    border-radius: 4px;
    background: rgba(16, 185, 129, 0.1);
    color: var(--success-color);
    font-weight: 500;
}

.card-body p {
    font-size: 14px;
    color: var(--text-secondary);
    line-height: 1.6;
}

/* Data Tables */
.table-container {
    background: var(--bg-panel);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-md);
    overflow-x: auto;
}

.data-table {
    width: 100%;
    border-collapse: collapse;
    text-align: left;
    font-size: 14px;
}

.data-table th {
    background-color: #F8F9FA;
    color: var(--text-secondary);
    font-weight: 500;
    padding: 12px 16px;
    border-bottom: 1px solid var(--border-color);
}

.data-table td {
    padding: 12px 16px;
    border-bottom: 1px solid var(--border-color);
    color: var(--text-primary);
    vertical-align: middle;
}

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

.data-table tbody tr:hover {
    background-color: #F8F9FA;
}

.status-tag {
    display: inline-block;
    padding: 2px 8px;
    border-radius: 4px;
    font-size: 12px;
    font-weight: 500;
}
.status-pending { background: #FFF7E6; color: #FA8C16; border: 1px solid #FFD591; }
.status-running { background: #E6F0FF; color: #3370FF; border: 1px solid #ADC6FF; }
.status-success { background: #E8F5E9; color: #10B981; border: 1px solid #A7F3D0; }
.status-error { background: #FFEBEE; color: #F56C6C; border: 1px solid #FFCDD2; }

/* Buttons */
button {
    font-family: inherit;
    cursor: pointer;
    border: 1px solid transparent;
    outline: none;
    transition: background-color 0.15s ease, border-color 0.15s ease;
    font-size: 14px;
    font-weight: 500;
    border-radius: var(--radius-sm);
    display: inline-flex;
    align-items: center;
    justify-content: center;
}

.btn-primary {
    background-color: var(--primary-color);
    color: #FFFFFF;
    padding: 6px 16px;
    height: 32px;
}

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

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

.btn-default {
    background-color: #FFFFFF;
    border-color: var(--border-color);
    color: var(--text-primary);
    padding: 6px 16px;
    height: 32px;
}

.btn-default:hover {
    border-color: var(--border-hover);
    background-color: #F8F9FA;
}

.btn-default:active {
    background-color: #EFF0F1;
}

/* Modal */
.modal-backdrop {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: rgba(31, 35, 41, 0.5); 
    display: flex;
    justify-content: center;
    align-items: center;
    z-index: 100;
    opacity: 1;
    transition: opacity 0.2s ease;
}

.modal-backdrop.hidden {
    opacity: 0;
    pointer-events: none;
}

.modal-panel {
    background: var(--bg-panel);
    border-radius: var(--radius-md);
    width: 420px;
    box-shadow: var(--shadow-modal);
    display: flex;
    flex-direction: column;
    transform: scale(1);
    transition: transform 0.2s cubic-bezier(0.34, 1.56, 0.64, 1);
}

.modal-backdrop.hidden .modal-panel {
    transform: scale(0.96);
}

.modal-header {
    padding: 24px 24px 16px;
}

.modal-header h3 {
    font-size: 18px;
    font-weight: 600;
    color: var(--text-title);
}

.modal-body {
    padding: 0 24px;
}

.target-info {
    font-size: 14px;
    color: var(--text-secondary);
    margin-bottom: 24px;
    padding: 12px 16px;
    background-color: var(--bg-body);
    border-radius: var(--radius-sm);
    border: 1px solid var(--border-color);
}

.target-info strong {
    color: var(--text-title);
}

.input-group {
    display: flex;
    flex-direction: column;
    gap: 8px;
    margin-bottom: 24px;
}

.input-group label {
    font-size: 14px;
    color: var(--text-title);
    font-weight: 500;
}

.input-group input, .input-group select {
    width: 100%;
    height: 36px;
    padding: 0 12px;
    border: 1px solid var(--border-color);
    border-radius: var(--radius-sm);
    font-size: 14px;
    color: var(--text-primary);
    transition: border-color 0.15s ease, box-shadow 0.15s ease;
    font-family: inherit;
    background: #FFFFFF;
}

.input-group input:focus, .input-group select:focus {
    outline: none;
    border-color: var(--primary-color);
    box-shadow: 0 0 0 2px rgba(51, 112, 255, 0.2);
}

.modal-footer {
    padding: 16px 24px 24px;
    display: flex;
    justify-content: flex-end;
    gap: 12px;
}