:root{--font-sans: "DM Sans", system-ui, sans-serif;--font-mono: "DM Mono", monospace;--bg-page: #f4f3f0;--bg-surface: #ffffff;--bg-subtle: #f9f8f6;--bg-hover: #f0efe9;--text-primary: #1a1916;--text-secondary: #6b6960;--text-tertiary: #a8a49c;--border-default: rgba(26,25,22,.1);--border-strong: rgba(26,25,22,.18);--accent: #185FA5;--accent-hover: #0C447C;--accent-subtle: #E6F1FB;--accent-text: #0C447C;--green: #3B6D11;--green-bg: #EAF3DE;--red: #A32D2D;--red-bg: #FCEBEB;--amber: #854F0B;--amber-bg: #FAEEDA;--pink: #993556;--pink-bg: #FBEAF0;--purple: #3C3489;--purple-bg: #EEEDFE;--teal: #0F6E56;--teal-bg: #E1F5EE;--radius-sm: 6px;--radius-md: 8px;--radius-lg: 12px;--radius-xl: 16px;--shadow-sm: 0 1px 3px rgba(0,0,0,.06), 0 1px 2px rgba(0,0,0,.04);--shadow-md: 0 4px 12px rgba(0,0,0,.08), 0 2px 4px rgba(0,0,0,.04)}*,*:before,*:after{box-sizing:border-box;margin:0;padding:0}html{height:100%}body{height:100%;font-family:var(--font-sans);background:var(--bg-page);color:var(--text-primary);font-size:14px;line-height:1.6;-webkit-font-smoothing:antialiased}#root{height:100%}a{color:inherit;text-decoration:none}button{font-family:var(--font-sans);cursor:pointer}input,select,textarea{font-family:var(--font-sans)}.app-shell{display:flex;height:100vh;overflow:hidden}.main-area{flex:1;display:flex;flex-direction:column;overflow:hidden;min-width:0}.page-content{flex:1;overflow-y:auto;padding:24px}.sidebar{width:232px;min-width:232px;background:var(--bg-surface);border-right:1px solid var(--border-default);display:flex;flex-direction:column;padding-bottom:16px}.sidebar-logo{padding:20px 18px 16px;border-bottom:1px solid var(--border-default)}.sidebar-logo h1{font-size:18px;font-weight:600;letter-spacing:-.5px;color:var(--text-primary)}.sidebar-logo 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var(--border-default);display:flex;align-items:center;gap:10px}.sidebar-user-info{flex:1;min-width:0}.sidebar-user-name{font-size:13px;font-weight:500;truncate:ellipsis}.sidebar-user-role{font-size:11px;color:var(--text-tertiary)}.sidebar-logout{background:none;border:none;color:var(--text-tertiary);font-size:18px;padding:4px;cursor:pointer;border-radius:var(--radius-sm)}.sidebar-logout:hover{background:var(--bg-hover);color:var(--red)}.topbar{display:flex;align-items:center;gap:12px;padding:14px 24px;background:var(--bg-surface);border-bottom:1px solid var(--border-default)}.topbar-title{font-size:17px;font-weight:600;flex:1;letter-spacing:-.3px}.topbar-actions{display:flex;align-items:center;gap:8px}.btn{display:inline-flex;align-items:center;gap:6px;padding:8px 16px;border-radius:var(--radius-md);border:1px solid var(--border-strong);background:var(--bg-surface);color:var(--text-primary);font-size:13px;font-weight:500;cursor:pointer;transition:background .1s,box-shadow 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