*{box-sizing:border-box}:root{--bg: #eef1f6;--card: #ffffff;--border: #e2e8f0;--text: #1e293b;--muted: #64748b;--primary: #1d4ed8;--primary-hover: #1e40af;--primary-soft: #eff4ff;--green: #15803d;--green-soft: #ecfdf3;--red: #b91c1c;--red-soft: #fef1f1;--amber: #b45309;--amber-soft: #fef7e8;--sidebar-bg: #0f1c2e;--sidebar-bg-2: #16263c;--sidebar-text: #94a3b8;--sidebar-active: #ffffff;--radius: 12px;--shadow: 0 1px 2px rgba(15, 28, 46, .05), 0 1px 6px rgba(15, 28, 46, .06)}html,body{margin:0;background:var(--bg);color:var(--text);font-family:Segoe UI,Leelawadee UI,Noto Sans Thai,Tahoma,sans-serif;font-size:14.5px;line-height:1.55}#root{min-height:100vh}.layout{display:flex;min-height:100vh}.sidebar{width:248px;flex-shrink:0;background:linear-gradient(180deg,var(--sidebar-bg) 0%,var(--sidebar-bg-2) 100%);color:var(--sidebar-text);display:flex;flex-direction:column;padding:20px 14px;position:sticky;top:0;height:100vh}.logo{padding:4px 12px 18px;border-bottom:1px solid 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