:root{--navy-900: #0E1733;--navy-800: #16224C;--navy-700: #22316B;--navy-600: #2E4088;--navy-500: #3D53A8;--orange-600: #C9450F;--orange-500: #E4571B;--orange-100: #FDEDE4;--gold-500: #F9B916;--gold-100: #FEF4DC;--ink: #0F172A;--ink-soft: #364152;--muted: #5A6478;--muted-light: #8A93A6;--line: #E2E6EF;--line-soft: #EFF2F7;--bg-soft: #F5F7FB;--bg-softer: #FAFBFD;--success: #157347;--success-bg: #E6F4EC;--warning: #9A6700;--warning-bg: #FDF3DA;--danger: #B42318;--danger-bg: #FDECEA;--r-sm: 6px;--r: 10px;--r-lg: 14px;--r-xl: 20px;--r-pill: 999px;--shadow-sm: 0 1px 2px rgba(15, 23, 42, .06), 0 1px 3px rgba(15, 23, 42, .05);--shadow: 0 5px 16px rgba(15, 23, 42, .1);--shadow-lg: 0 12px 32px rgba(15, 23, 42, .14);--ease: cubic-bezier(.4, 0, .2, 1)}*{box-sizing:border-box}html,body,#root{height:100%}body{margin:0;background:var(--bg-soft);color:var(--ink);font-family:-apple-system,BlinkMacSystemFont,Segoe UI,Roboto,Helvetica Neue,Arial,Noto 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var(--orange-500);border-radius:var(--r);background:#fff;box-shadow:var(--shadow-sm);color:var(--ink);text-decoration:none;transition:box-shadow .15s var(--ease),transform .15s var(--ease)}.staff-menu__o:hover{box-shadow:var(--shadow);transform:translateY(-1px)}.staff-menu__o b{font-size:1.05rem;color:var(--navy-900)}.staff-menu__o span{color:var(--muted);font-size:.92rem}.staff-menu__o small{color:var(--warning);font-size:.82rem}.staff-menu__o--khoa{border-left-color:var(--line);background:var(--bg-softer);box-shadow:none;cursor:default}.staff-menu__o--khoa:hover{transform:none;box-shadow:none}.login-ma{font-family:ui-monospace,SFMono-Regular,Menlo,Consolas,monospace;font-size:1.15rem;letter-spacing:.12em;text-transform:uppercase}