:root{--color-bg: #F5F6F8;--color-surface: #FFFFFF;--color-border: #E2E5EA;--color-text: #1B2430;--color-text-muted: #5B6472;--color-primary: #0F4C5C;--color-primary-dark: #0A3742;--color-accent: #2E9E83;--color-warning: #C9862A;--color-danger: #C4453B;--radius: 8px;--shadow-sm: 0 1px 2px rgba(16, 24, 32, .06);--shadow-md: 0 4px 12px rgba(16, 24, 32, .08);--font-sans: "Inter", -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif}*{box-sizing:border-box}body{margin:0;font-family:var(--font-sans);background:var(--color-bg);color:var(--color-text)}a{color:inherit}.app-shell{display:flex;min-height:100vh}.sidebar{width:240px;background:var(--color-primary-dark);color:#fff;padding:24px 16px;display:flex;flex-direction:column;gap:4px}.sidebar .brand{font-weight:700;font-size:1.1rem;margin-bottom:24px;letter-spacing:.02em}.sidebar a{display:block;padding:10px 12px;border-radius:var(--radius);text-decoration:none;color:#fffc;font-size:.92rem}.sidebar a:hover,.sidebar a.active{background:#ffffff1a;color:#fff}.sidebar .logout-btn{margin-top:auto;background:none;border:1px solid rgba(255,255,255,.25);color:#fff;padding:10px 12px;border-radius:var(--radius);cursor:pointer;font-size:.88rem}.main-content{flex:1;padding:32px 40px;max-width:1200px}.page-header{display:flex;justify-content:space-between;align-items:center;margin-bottom:24px}.page-header h1{font-size:1.5rem;margin:0}.page-header p{color:var(--color-text-muted);margin:4px 0 0;font-size:.92rem}.card{background:var(--color-surface);border:1px solid var(--color-border);border-radius:var(--radius);padding:20px;box-shadow:var(--shadow-sm);margin-bottom:20px}.card h2{font-size:1rem;margin:0 0 12px}.grid{display:grid;gap:16px}.grid-2{grid-template-columns:repeat(2,1fr)}.grid-3{grid-template-columns:repeat(3,1fr)}.grid-4{grid-template-columns:repeat(4,1fr)}@media (max-width: 900px){.grid-2,.grid-3,.grid-4{grid-template-columns:1fr}}.stat-tile{background:var(--color-surface);border:1px solid var(--color-border);border-radius:var(--radius);padding:16px}.stat-tile .value{font-size:1.6rem;font-weight:700;color:var(--color-primary)}.stat-tile .label{font-size:.8rem;color:var(--color-text-muted);text-transform:uppercase;letter-spacing:.04em}table{width:100%;border-collapse:collapse;font-size:.9rem}th,td{text-align:left;padding:10px 12px;border-bottom:1px solid var(--color-border)}th{color:var(--color-text-muted);font-weight:600;font-size:.78rem;text-transform:uppercase;letter-spacing:.03em}.btn{display:inline-flex;align-items:center;gap:6px;padding:9px 16px;border-radius:var(--radius);border:none;font-size:.88rem;font-weight:600;cursor:pointer;text-decoration:none}.btn-primary{background:var(--color-primary);color:#fff}.btn-primary:hover{background:var(--color-primary-dark)}.btn-accent{background:var(--color-accent);color:#fff}.btn-outline{background:transparent;border:1px solid var(--color-border);color:var(--color-text)}.btn-danger{background:var(--color-danger);color:#fff}.btn:disabled{opacity:.5;cursor:not-allowed}.badge{display:inline-block;padding:3px 10px;border-radius:999px;font-size:.75rem;font-weight:600}.badge-present{background:#e4f4ee;color:#1e7a5f}.badge-absent{background:#fbe9e7;color:var(--color-danger)}.badge-leave{background:#fff3e0;color:var(--color-warning)}.badge-pending{background:#eef1f5;color:var(--color-text-muted)}.badge-approved{background:#e4f4ee;color:#1e7a5f}.badge-rejected{background:#fbe9e7;color:var(--color-danger)}.form-group{margin-bottom:14px}.form-group label{display:block;font-size:.85rem;font-weight:600;margin-bottom:6px}.form-group input,.form-group select,.form-group textarea{width:100%;padding:9px 12px;border:1px solid var(--color-border);border-radius:var(--radius);font-size:.9rem}.login-screen{min-height:100vh;display:flex;align-items:center;justify-content:center;background:var(--color-primary-dark)}.login-card{background:#fff;border-radius:12px;padding:40px;width:360px;box-shadow:var(--shadow-md)}.login-card .brand{font-weight:700;font-size:1.3rem;color:var(--color-primary);margin-bottom:4px}.login-card .tagline{color:var(--color-text-muted);font-size:.85rem;margin-bottom:24px}.error-text{color:var(--color-danger);font-size:.85rem;margin-top:8px}.loading-screen{display:flex;align-items:center;justify-content:center;min-height:100vh;color:var(--color-text-muted)}.empty-state{text-align:center;padding:40px 20px;color:var(--color-text-muted)}