:root{--ink:#132235;--ink-muted:#5a6c80;--surface:#edf2f7;--card:#fff;--card-soft:#f7fafc;--line:#d9e2ec;--accent:#0d5d67;--accent-soft:#d7eff1;--premium:#b98631;--premium-soft:#fff3d7;--danger:#b94a24;--danger-soft:#fde6de;--success:#13795b;--success-soft:#e0f5ec;--shadow:0 18px 38px rgba(19,34,53,.08)}*{box-sizing:border-box}body,html{margin:0;background:radial-gradient(circle at top right,rgba(13,93,103,.12),transparent 22%),linear-gradient(180deg,#f9fbfd 0,var(--surface) 100%);color:var(--ink);font-family:SF Pro Display,Segoe UI,sans-serif}body{min-height:100vh}a,button,input,select,textarea{font:inherit}a{color:inherit;text-decoration:none}button{cursor:pointer}.admin-shell{min-height:100vh;display:grid;grid-template-columns:300px minmax(0,1fr)}.sidebar{background:radial-gradient(circle at top left,hsla(0,0%,100%,.08),transparent 20%),linear-gradient(180deg,#0f1c2b,#163048);color:#fff;padding:28px 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