:root{--background:#f6f4ff;--card:#ffffff;--card-soft:#f4f1ff;--primary:#5d4ae3;--primary-dark:#4030b5;--primary-light:#eeeaff;--accent:#ff8a65;--accent-soft:#fff0eb;--success:#39a96b;--text:#1f2233;--muted:#6d7287;--border:rgba(93,74,227,0.12);--shadow:0 14px 30px rgba(31,34,51,0.08)}*{box-sizing:border-box}html{scroll-behavior:smooth}body{margin:0;font-family:Arial,Helvetica,sans-serif;background:linear-gradient(180deg,#fcfbff,#f3f0ff);color:var(--text)}a{color:inherit;text-decoration:none}button,input,select,textarea{font:inherit}img{max-width:100%;display:block}.app-shell{min-height:100vh;display:flex;flex-direction:column}.topbar{position:-webkit-sticky;position:sticky;top:0;z-index:10;background:rgba(255,255,255,.9);-webkit-backdrop-filter:blur(12px);backdrop-filter:blur(12px);border-bottom:1px solid var(--border)}.admin-grid,.card-grid,.feature-grid,.list-row,.nav,.page,.profile-grid,.resource-grid,.section-grid,.seller-row,.stats-grid,.topbar-inner{width:min(1200px,calc(100% - 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