:root{--color-blue-light: #A0E3FD;--color-blue-primary: #65B4E7;--color-mint: #89E9CF;--color-yellow: #F6DE87;--color-orange: #F8B07E;--color-coral: #FB9A8F;--color-lilac: #C9ACFE;--color-text: #4F6075;--color-white: #FCFDFE;--color-bg: #f5fbff;--color-border: #d9e7f2;--color-shadow: 0 10px 30px rgba(101, 180, 231, .12);--sidebar-width: 260px;--header-height: 84px;--radius-lg: 20px;--radius-md: 14px;--radius-sm: 10px}*{box-sizing:border-box}html,body{margin:0;min-height:100%;font-family:Arial,Helvetica,sans-serif;background:var(--color-bg);color:var(--color-text)}body{overflow-x:hidden}button,input,textarea,select{font:inherit}a{color:inherit}img{max-width:100%;display:block}.page-title{margin:0;font-size:2rem;font-weight:800;color:var(--color-text)}.section-title{margin:0 0 16px;font-size:1.8rem;font-weight:800;color:var(--color-text)}.card-surface{background:var(--color-white);border:1px solid var(--color-border);border-radius:var(--radius-lg);box-shadow:var(--color-shadow)}