:root {
    --bg: #FFFFFF;
    --surface: #FFFFFF;
    --surface2: #C2C2C2;
    --border: #334155;
    --text: #1C71B8;
    --text-muted: #1B2436;
    --accent: #6366F1;
    --accent-h: #818CF8;
    --green: #22C55E;
    --red: #EF4444;
    --yellow: #F59E0B;
    --radius: 12px;
    --font: 'DM Sans',sans-serif;
    --mono: 'DM Mono',monospace;
    --sidebar-w: 260px;
}
*,*::before,*::after{box-sizing:border-box;margin:0;padding:0;}
body{background:var(--bg);color:var(--text);font-family:var(--font);font-size:14px;min-height:100vh;}
a{color:var(--accent);text-decoration:none;}a:hover{color:var(--accent-h);}
/* Layout */
.app-layout{display:flex;min-height:100vh;}
/* Sidebar */
.sidebar{width:var(--sidebar-w);min-height:100vh;background:var(--surface);border-right:1px solid var(--border);display:flex;flex-direction:column;position:fixed;left:0;top:0;bottom:0;z-index:100;overflow-y:auto;}
.sidebar-brand{display:flex;align-items:center;gap:12px;padding:24px 20px 20px;border-bottom:1px solid var(--border);}
.brand-icon{width:40px;height:40px;background:linear-gradient(135deg,var(--accent),#8B5CF6);border-radius:10px;display:flex;align-items:center;justify-content:center;font-size:18px;color:white;flex-shrink:0;}
.brand-name{display:block;font-weight:700;font-size:16px;color:var(--text);}
.brand-sub{display:block;font-size:11px;color:var(--text-muted);}
.sidebar-nav{flex:1;padding:16px 0;}
.nav-section{padding:0 12px 8px;}
.nav-label{font-size:10px;font-weight:600;text-transform:uppercase;letter-spacing:1.2px;color:var(--text-muted);padding:8px 8px 4px;}
.nav-item{display:flex;align-items:center;gap:10px;padding:9px 12px;border-radius:8px;color:var(--text-muted);transition:all .15s;margin-bottom:2px;font-weight:500;}
.nav-item i{width:18px;text-align:center;font-size:14px;}
.nav-item:hover{background:var(--surface2);color:var(--text);}
.nav-item.active{background:rgba(99,102,241,.2);color:var(--accent-h);}
.sidebar-footer{border-top:1px solid var(--border);padding:16px;display:flex;align-items:center;gap:10px;}
.user-avatar{width:36px;height:36px;border-radius:50%;background:linear-gradient(135deg,var(--accent),#8B5CF6);display:flex;align-items:center;justify-content:center;font-weight:700;font-size:15px;color:white;flex-shrink:0;}
.user-info{flex:1;display:flex;flex-direction:column;gap:3px;min-width:0;}
.user-email{font-size:11px;color:var(--text-muted);white-space:nowrap;overflow:hidden;text-overflow:ellipsis;}
.user-badge{display:inline-block;font-size:10px;padding:1px 8px;border-radius:20px;font-weight:600;}
.user-badge.manager{background:rgba(99,102,241,.2);color:var(--accent-h);}
.user-badge.hr{background:rgba(34,197,94,.2);color:var(--green);}
.user-badge.emp{background:rgba(148,163,184,.15);color:var(--text-muted);}
.logout-btn{color:var(--text-muted);padding:8px;border-radius:8px;transition:all .15s;}
.logout-btn:hover{background:rgba(239,68,68,.15);color:var(--red);}
/* Main */
.main-content{margin-left:var(--sidebar-w);flex:1;min-height:100vh;padding:32px 36px;}
.page-header{display:flex;align-items:center;justify-content:space-between;margin-bottom:28px;flex-wrap:wrap;gap:12px;}
.page-title{font-size:24px;font-weight:700;}
.header-actions{display:flex;gap:10px;flex-wrap:wrap;}
/* Cards */
.card{background:var(--surface);border:1px solid var(--border);border-radius:var(--radius);padding:24px;margin-bottom:20px;}
.card-title{font-size:16px;font-weight:600;margin-bottom:16px;}
/* Stat cards */
.stat-grid{display:grid;grid-template-columns:repeat(auto-fill,minmax(200px,1fr));gap:16px;margin-bottom:24px;}
.stat-card{background:var(--surface);border:1px solid var(--border);border-radius:var(--radius);padding:20px;position:relative;overflow:hidden;}
.stat-card::before{content:'';position:absolute;top:0;left:0;right:0;height:3px;}
.stat-card.blue::before{background:var(--accent);}
.stat-card.green::before{background:var(--green);}
.stat-card.red::before{background:var(--red);}
.stat-card.yellow::before{background:var(--yellow);}
.stat-icon{font-size:24px;margin-bottom:8px;}
.stat-icon.blue{color:var(--accent);}
.stat-icon.green{color:var(--green);}
.stat-icon.red{color:var(--red);}
.stat-icon.yellow{color:var(--yellow);}
.stat-value{font-size:32px;font-weight:700;font-family:var(--mono);}
.stat-label{font-size:12px;color:var(--text-muted);font-weight:500;}
/* Tables */
.table-wrap{overflow-x:auto;}
table{width:100%;border-collapse:collapse;}
thead th{background:var(--surface2);padding:10px 14px;text-align:left;font-size:11px;font-weight:600;text-transform:uppercase;letter-spacing:.8px;color:var(--text-muted);border-bottom:1px solid var(--border);white-space:nowrap;}
tbody td{padding:12px 14px;border-bottom:1px solid var(--border);vertical-align:middle;}
tbody tr:last-child td{border-bottom:none;}
tbody tr:hover{background:var(--surface2);}
/* Badges */
.badge{display:inline-flex;align-items:center;gap:5px;padding:3px 10px;border-radius:20px;font-size:11px;font-weight:600;white-space:nowrap;}
.badge-pending{background:rgba(245,158,11,.15);color:var(--yellow);}
.badge-approved{background:rgba(34,197,94,.15);color:var(--green);}
.badge-finalapproved{background:rgba(34,197,94,.2);color:var(--green);}
.badge-hrverified{background:rgba(59,130,246,.15);color:#60A5FA;}
.badge-managerpreaproved,.badge-managerpreapproved{background:rgba(139,92,246,.15);color:#A78BFA;}
.badge-rejected{background:rgba(239,68,68,.15);color:var(--red);}
.badge-cancelled{background:rgba(148,163,184,.1);color:var(--text-muted);}
.badge-dot{width:6px;height:6px;border-radius:50%;background:currentColor;}
/* Buttons */
.btn{display:inline-flex;align-items:center;gap:7px;padding:9px 18px;border-radius:8px;font-size:13px;font-weight:600;border:none;cursor:pointer;transition:all .15s;text-decoration:none;font-family:var(--font);vertical-align:middle;line-height:1;}
.btn-primary{background:var(--accent);color:white!important;}
.btn-primary:hover{background:var(--accent-h);transform:translateY(-1px);box-shadow:0 4px 12px rgba(99,102,241,.4);}
.btn-success{background:var(--green);color:white!important;}
.btn-success:hover{opacity:.88;}
.btn-danger{background:var(--red);color:white!important;}
.btn-danger:hover{opacity:.88;}
.btn-outline{background:transparent;border:1px solid var(--border);color:var(--text-muted);}
.btn-outline:hover{border-color:var(--accent);color:var(--accent);}
.btn-sm{padding:6px 14px;font-size:12px;}
.btn-xs{padding:4px 10px;font-size:11px;border-radius:6px;}
/* Forms */
.form-grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(240px,1fr));gap:16px;}
.form-group{display:flex;flex-direction:column;gap:6px;}
.form-label{font-size:12px;font-weight:600;color:var(--text-muted);text-transform:uppercase;letter-spacing:.6px;}
.form-control{background:var(--surface2);border:1px solid var(--border);border-radius:8px;padding:10px 14px;color:var(--text);font-size:14px;font-family:var(--font);transition:border-color .15s;width:100%;}
.form-control:focus{outline:none;border-color:var(--accent);box-shadow:0 0 0 3px rgba(99,102,241,.15);}
.form-control::placeholder{color:var(--text-muted);}
select.form-control{cursor:pointer;}
textarea.form-control{resize:vertical;min-height:80px;}
.field-validation-error{font-size:11px;color:var(--red);}
.validation-summary-errors ul{font-size:12px;color:var(--red);padding-left:16px;}
/* Alerts */
.alert{display:flex;align-items:flex-start;gap:10px;padding:12px 16px;border-radius:8px;margin-bottom:20px;font-size:13px;font-weight:500;}
.alert-success{background:rgba(34,197,94,.12);border:1px solid rgba(34,197,94,.3);color:var(--green);}
.alert-error{background:rgba(239,68,68,.12);border:1px solid rgba(239,68,68,.3);color:var(--red);}
/* Filter bar */
.filter-bar{display:flex;gap:10px;flex-wrap:wrap;align-items:flex-end;}
.filter-bar .form-group{flex:1;min-width:130px;}
/* Empty state */
.empty-state{text-align:center;padding:60px 20px;color:var(--text-muted);}
.empty-state i{font-size:48px;margin-bottom:16px;display:block;opacity:.3;}
.empty-state p{font-size:14px;}
/* Login */
.login-page{min-height:100vh;display:flex;align-items:center;justify-content:center;background:radial-gradient(ellipse at 20% 50%,rgba(99,102,241,.15) 0%,transparent 60%),radial-gradient(ellipse at 80% 20%,rgba(139,92,246,.1) 0%,transparent 50%),var(--bg);}
.login-card{background:var(--surface);border:1px solid var(--border);border-radius:16px;padding:40px;width:100%;max-width:420px;box-shadow:0 8px 40px rgba(0,0,0,.4);}
.login-logo{text-align:center;margin-bottom:28px;}
.login-logo .brand-icon{width:56px;height:56px;font-size:24px;border-radius:14px;margin:0 auto 12px;display:flex;align-items:center;justify-content:center;}
.login-logo h1{font-size:22px;font-weight:700;}
.login-logo p{font-size:13px;color:var(--text-muted);margin-top:4px;}
.login-credentials{background:var(--surface2);border:1px solid var(--border);border-radius:8px;padding:12px 14px;margin-bottom:20px;font-size:12px;line-height:1.9;}
.login-credentials strong{color:var(--accent-h);}
/* Utils */
.flex{display:flex;}.gap-2{gap:8px;}.mt-3{margin-top:12px;}.mt-4{margin-top:16px;}.mb-4{margin-bottom:16px;}
.w-full{width:100%;}.text-sm{font-size:12px;}.text-xs{font-size:11px;}.text-muted{color:var(--text-muted);}
.fw-600{font-weight:600;}.text-center{text-align:center;}