:root{--hng-blue-1: #00358f;--hng-blue-2: #004da7;--hng-navy: #0f1b4d;--hng-black: #231f20;--hng-light-1: #5cb3e6;--hng-light-2: #88c6e9;--hng-light-3: #94d4eb;--bg-page: #f5f7fa;--bg-card: #ffffff;--bg-sidebar: var(--hng-navy);--border: #e2e6ed;--text-primary: var(--hng-black);--text-secondary: #6b7280;--text-on-dark: #ffffff;--success-bg: #e1f5ee;--success-text: #085041;--warning-bg: #faeeda;--warning-text: #854f0b;--danger-bg: #fcebeb;--danger-text: #791f1f;--radius: 10px;--font-headline: "Poppins", sans-serif;--font-body: "Inter", sans-serif}*{box-sizing:border-box}body{margin:0;font-family:var(--font-body);background:var(--bg-page);color:var(--text-primary);-webkit-font-smoothing:antialiased}h1,h2,h3,h4{font-family:var(--font-headline);font-weight:600;margin:0;color:var(--hng-blue-1)}a{color:var(--hng-blue-2);text-decoration:none}button{font-family:var(--font-body);cursor:pointer}.btn{display:inline-flex;align-items:center;justify-content:center;gap:6px;padding:10px 18px;border-radius:var(--radius);border:none;font-size:14px;font-weight:500;transition:opacity .15s}.btn:hover{opacity:.88}.btn:disabled{opacity:.5;cursor:not-allowed}.btn-primary{background:var(--hng-blue-1);color:#fff}.btn-secondary{background:#fff;color:var(--hng-blue-1);border:1px solid var(--border)}.btn-danger{background:var(--danger-text);color:#fff}.btn-block{width:100%}.app-shell{display:flex;min-height:100vh}.sidebar{width:240px;background:var(--bg-sidebar);color:var(--text-on-dark);padding:24px 16px;display:flex;flex-direction:column;flex-shrink:0}.sidebar-logo{width:110px;margin-bottom:32px}.sidebar nav{display:flex;flex-direction:column;gap:4px;flex:1}.sidebar nav a,.sidebar nav .nav-link{color:#ffffffbf;padding:10px 12px;border-radius:8px;font-size:14px;font-weight:500}.sidebar nav a:hover,.sidebar nav .nav-link:hover{background:#ffffff14;color:#fff}.sidebar nav a.active{background:var(--hng-blue-2);color:#fff}.sidebar-user{border-top:1px solid rgba(255,255,255,.12);padding-top:16px;font-size:13px}.sidebar-user .name{font-weight:500;color:#fff}.sidebar-user .role{color:#fff9;text-transform:capitalize}.main-content{flex:1;padding:32px 40px;max-width:1100px}.page-header{margin-bottom:24px}.page-header p{color:var(--text-secondary);margin-top:4px;font-size:14px}.card{background:var(--bg-card);border:1px solid var(--border);border-radius:14px;padding:24px;margin-bottom:20px}.card-title{font-size:16px;margin-bottom:16px}.grid-3{display:grid;grid-template-columns:repeat(3,1fr);gap:16px}.stat-box{background:var(--bg-card);border:1px solid var(--border);border-radius:14px;padding:18px 20px}.stat-box .label{font-size:13px;color:var(--text-secondary);margin-bottom:6px}.stat-box .value{font-family:var(--font-headline);font-size:26px;font-weight:600;color:var(--hng-blue-1)}.stat-box .sub{font-size:12px;color:var(--text-secondary);margin-top:4px}.form-group{margin-bottom:16px}.form-group label{display:block;font-size:13px;font-weight:500;margin-bottom:6px;color:var(--text-primary)}.form-group input,.form-group select,.form-group textarea{width:100%;padding:10px 12px;border-radius:8px;border:1px solid var(--border);font-size:14px;font-family:var(--font-body)}.form-row{display:grid;grid-template-columns:1fr 1fr;gap:16px}table{width:100%;border-collapse:collapse;font-size:14px}th{text-align:left;color:var(--text-secondary);font-weight:500;font-size:12px;text-transform:uppercase;padding:8px 12px;border-bottom:1px solid var(--border)}td{padding:12px;border-bottom:1px solid var(--border)}.badge{display:inline-block;padding:4px 10px;border-radius:999px;font-size:12px;font-weight:500}.badge-pending{background:var(--warning-bg);color:var(--warning-text)}.badge-approved{background:var(--success-bg);color:var(--success-text)}.badge-rejected{background:var(--danger-bg);color:var(--danger-text)}.login-page{min-height:100vh;display:flex;align-items:center;justify-content:center;background:var(--hng-navy)}.login-card{background:#fff;border-radius:16px;padding:40px;width:100%;max-width:380px}.login-card img{width:130px;margin-bottom:24px}.login-card h1{font-size:20px;margin-bottom:4px}.login-card p.subtitle{color:var(--text-secondary);font-size:14px;margin-bottom:24px}.error-text{color:var(--danger-text);font-size:13px;margin-top:8px}.warning-banner{background:var(--warning-bg);color:var(--warning-text);padding:12px 16px;border-radius:8px;font-size:13px;margin-bottom:16px}.empty-state{text-align:center;padding:40px 20px;color:var(--text-secondary);font-size:14px}