body{font-family:-apple-system,BlinkMacSystemFont,Segoe UI,Roboto,Helvetica Neue,Arial,sans-serif;background-color:#f5f5f5}:root{--primary-color: #667eea;--primary-dark: #5a67d8;--primary-light: #7c3aed;--primary-gradient: linear-gradient(135deg, #667eea 0%, #764ba2 100%);--secondary-color: #f093fb;--secondary-gradient: linear-gradient(135deg, #f093fb 0%, #f5576c 100%);--success-color: #52c41a;--warning-color: #faad14;--error-color: #ff4d4f;--info-color: #1890ff;--text-color: #1f1f1f;--text-secondary: #595959;--text-light: #8c8c8c;--text-muted: #bfbfbf;--bg-color: #f7f8fa;--bg-card: #ffffff;--bg-hover: #f0f7ff;--border-color: #ebeef2;--border-light: #f0f0f0;--shadow-sm: 0 1px 3px rgba(0,0,0,.04);--shadow: 0 2px 8px rgba(0,0,0,.06);--shadow-md: 0 4px 12px rgba(0,0,0,.08);--shadow-lg: 0 8px 24px rgba(0,0,0,.12);--shadow-primary: 0 4px 16px rgba(102, 126, 234, .25);--radius-sm: 8px;--radius: 12px;--radius-lg: 16px;--radius-xl: 20px;--space-xs: 4px;--space-sm: 8px;--space: 16px;--space-md: 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#00000026}@keyframes toastIn{0%{opacity:0;transform:translate(-50%) translateY(20px)}to{opacity:1;transform:translate(-50%) translateY(0)}}.toast-success{background:var(--success)}.toast-error{background:var(--error)}.toast-warning{background:var(--warning)}.toast-info{background:var(--primary)}.modal-overlay{position:fixed;top:0;left:0;right:0;bottom:0;background:#00000073;z-index:200;display:flex;align-items:center;justify-content:center;padding:20px}.modal{background:var(--white);border-radius:var(--radius-lg);width:100%;max-width:480px;max-height:80vh;overflow:hidden;display:flex;flex-direction:column}.modal-header{padding:16px 18px;border-bottom:1px solid var(--border);display:flex;align-items:center;justify-content:space-between}.modal-header 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