:root{--color-primary: #772cbb;--color-primary-dark: #5c2290;--color-primary-light: #9b4ed6;--color-bg: #f8fafc;--color-sidebar: #1e293b;--color-sidebar-hover: #334155;--color-text: #1e293b;--color-text-light: #64748b;--color-border: #e2e8f0;--color-white: #ffffff;--color-error: #dc2626;--color-success: #16a34a;--radius: 8px;--shadow: 0 1px 3px rgba(0, 0, 0, .1);--shadow-lg: 0 4px 6px rgba(0, 0, 0, .1)}*{box-sizing:border-box;margin:0;padding:0}body{font-family:Inter,-apple-system,BlinkMacSystemFont,sans-serif;background:var(--color-bg);color:var(--color-text);line-height:1.5}a{color:var(--color-primary);text-decoration:none}a:hover{text-decoration:underline}button{cursor:pointer;font-family:inherit}input,select,textarea{font-family:inherit;font-size:inherit}.portal-layout{display:flex;min-height:100vh}.sidebar{width:250px;background:var(--color-sidebar);color:var(--color-white);display:flex;flex-direction:column}.sidebar-header{padding:1.5rem;border-bottom:1px solid 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