:root{--color-white: #FFFFFF;--color-bg: #F5F5F5;--color-text: #333333;--color-text-secondary: #666666;--color-text-muted: #999999;--color-red: #E53935;--color-red-dark: #D32F2F;--color-red-light: #FFEBEE;--color-success: #4CAF50;--color-success-light: #E8F5E9;--color-warning: #FF9800;--color-warning-light: #FFF3E0;--color-error: #F44336;--color-error-light: #FFEBEE;--color-info: #2196F3;--color-info-light: #E3F2FD;--color-border-light: #E0E0E0;--color-border: #CCCCCC;--shadow-sm: 0 1px 2px rgba(0, 0, 0, .05);--shadow-md: 0 4px 6px rgba(0, 0, 0, .07);--shadow-lg: 0 10px 15px rgba(0, 0, 0, .1);--shadow-xl: 0 20px 25px rgba(0, 0, 0, .15);--space-1: 4px;--space-2: 8px;--space-3: 12px;--space-4: 16px;--space-5: 20px;--space-6: 24px;--space-8: 32px;--space-10: 40px;--space-12: 48px;--radius-sm: 4px;--radius-md: 8px;--radius-lg: 12px;--radius-xl: 16px;--sidebar-width: 240px;--header-height: 64px;--transition-fast: .15s ease-out;--transition-normal: .2s ease;--transition-slow: .3s ease-in-out}*,*:before,*:after{box-sizing:border-box;margin:0;padding:0}html{font-size:16px;-webkit-font-smoothing:antialiased;-moz-osx-font-smoothing:grayscale}body{font-family:Inter,-apple-system,BlinkMacSystemFont,Segoe UI,Roboto,sans-serif;font-size:14px;line-height:1.5;color:var(--color-text);background-color:var(--color-bg);min-height:100vh}h1,h2,h3,h4,h5,h6{font-weight:600;line-height:1.3;color:var(--color-text)}h1{font-size:32px;letter-spacing:-.02em}h2{font-size:24px;letter-spacing:-.01em}h3{font-size:20px}h4{font-size:18px}p{margin-bottom:var(--space-4)}a{color:var(--color-red);text-decoration:none;transition:color var(--transition-fast)}a:hover{color:var(--color-red-dark)}.sr-only{position:absolute;width:1px;height:1px;padding:0;margin:-1px;overflow:hidden;clip:rect(0,0,0,0);white-space:nowrap;border:0}@keyframes fadeIn{0%{opacity:0}to{opacity:1}}@keyframes slideInRight{0%{opacity:0;transform:translate(20px)}to{opacity:1;transform:translate(0)}}@keyframes slideUp{0%{opacity:0;transform:translateY(20px)}to{opacity:1;transform:translateY(0)}}@keyframes slideDown{0%{opacity:0;transform:translateY(-10px)}to{opacity:1;transform:translateY(0)}}@keyframes shake{0%,to{transform:translate(0)}25%{transform:translate(-5px)}75%{transform:translate(5px)}}@keyframes spin{0%{transform:rotate(0)}to{transform:rotate(360deg)}}.animate-fadeIn{animation:fadeIn var(--transition-normal)}.animate-slideInRight{animation:slideInRight var(--transition-normal)}.animate-slideUp{animation:slideUp var(--transition-normal)}.animate-shake{animation:shake .3s ease-in-out}.animate-spin{animation:spin 1s linear infinite}::-webkit-scrollbar{width:8px;height:8px}::-webkit-scrollbar-track{background:var(--color-bg)}::-webkit-scrollbar-thumb{background:var(--color-border);border-radius:var(--radius-sm)}::-webkit-scrollbar-thumb:hover{background:var(--color-text-muted)}:focus-visible{outline:2px solid var(--color-red);outline-offset:2px}::-moz-selection{background-color:var(--color-red-light);color:var(--color-red-dark)}::selection{background-color:var(--color-red-light);color:var(--color-red-dark)}