:root{--primary-color: #2e7d32;--primary-light: #4caf50;--primary-dark: #1b5e20;--secondary-color: #795548;--background: #fafafa;--surface: #ffffff;--text-primary: #212121;--text-secondary: #757575;--border-color: #e0e0e0;--success: #4caf50;--warning: #ff9800;--error: #f44336}*{margin:0;padding:0;box-sizing:border-box}body{font-family:-apple-system,BlinkMacSystemFont,Segoe UI,Roboto,Helvetica Neue,Arial,sans-serif;background-color:var(--background);color:var(--text-primary);line-height:1.6}h1,h2,h3,h4,h5,h6{color:var(--text-primary);font-weight:600}.main-layout{min-height:100vh}.sidebar{background:linear-gradient(180deg,var(--primary-dark) 0%,var(--primary-color) 100%)}.sidebar .ant-menu{background:transparent;border-right:none}.sidebar .ant-menu-item{color:#ffffffd9}.sidebar .ant-menu-item:hover,.sidebar .ant-menu-item-selected{background-color:#ffffff1a;color:#fff}.content-area{padding:24px;background:var(--background);min-height:calc(100vh - 64px)}.stat-card{background:var(--surface);border-radius:8px;padding:24px;box-shadow:0 1px 3px #0000001a;transition:box-shadow .3s ease}.stat-card:hover{box-shadow:0 4px 12px #00000026}.btn-primary{background-color:var(--primary-color);border-color:var(--primary-color)}.btn-primary:hover{background-color:var(--primary-light);border-color:var(--primary-light)}.ant-table-thead>tr>th{background:var(--background);font-weight:600}.login-container{min-height:100vh;display:flex;align-items:center;justify-content:center;background:linear-gradient(135deg,var(--primary-dark) 0%,var(--primary-color) 50%,var(--secondary-color) 100%)}.login-card{background:var(--surface);padding:48px;border-radius:12px;box-shadow:0 8px 32px #0003;width:100%;max-width:400px}.login-logo{text-align:center;margin-bottom:32px}.login-logo h1{color:var(--primary-color);font-size:24px;margin-top:16px}