:root{--sidebar-bg:#0f172a;--sidebar-hover:#1e293b;--accent:#15803d;--accent-hover:#166534;--text-main:#0f172a;--text-muted:#64748b;--bg-main:#f8fafc}body{background:var(--bg-main);color:var(--text-main);height:100vh;margin:0;padding:0;font-family:-apple-system,BlinkMacSystemFont,Segoe UI,Roboto,Helvetica,Arial,sans-serif;display:flex}.app-container{width:100%;height:100vh;display:flex}.main-content{flex-grow:1;padding:3rem 4rem;overflow-y:auto}.page-header{margin-bottom:3rem}.page-header h1{letter-spacing:-.025em;color:#0f172a;margin:0;font-size:2rem;font-weight:700}.sidebar{background:var(--sidebar-bg);color:#fff;z-index:10;flex-direction:column;flex-shrink:0;width:280px;display:flex;box-shadow:4px 0 24px #0000000d}.sidebar-header{text-align:center;border-bottom:1px solid #ffffff0d;flex-direction:column;align-items:center;padding:2.5rem 1.5rem 2rem;display:flex}.logo-container{justify-content:center;align-items:center;width:120px;margin-bottom:1.5rem;display:flex}.logo-img{width:100%;height:auto;display:block}.sidebar-header h2{color:#fff;letter-spacing:.025em;margin:0;font-size:1.15rem;font-weight:600}.sidebar-header span{color:#94a3b8;text-transform:uppercase;letter-spacing:.05em;margin-top:.25rem;font-size:.8rem}.nav-menu{flex-direction:column;flex-grow:1;gap:.5rem;padding:2rem 1rem;display:flex}.nav-item{color:#94a3b8;border-radius:12px;align-items:center;gap:.75rem;padding:.875rem 1rem;font-size:.95rem;font-weight:500;text-decoration:none;transition:all .2s;display:flex}.nav-item svg{opacity:.7;width:20px;height:20px;transition:all .2s}.nav-item:hover{background:var(--sidebar-hover);color:#fff}.nav-item:hover svg{opacity:1}.nav-item.active{background:var(--accent);color:#fff;box-shadow:0 4px 12px #15803d33}.nav-item.active svg{opacity:1}.sidebar-footer{border-top:1px solid #ffffff0d;padding:1.5rem}.logout-btn{color:#f87171;background:#ef44441a;border-radius:10px;justify-content:center;align-items:center;gap:.5rem;width:100%;padding:.875rem;font-size:.9rem;font-weight:600;text-decoration:none;transition:all .2s;display:flex}.logout-btn:hover{color:#fff;background:#ef4444}.card{background:#fff;border:1px solid #f1f5f9;border-radius:16px;padding:2rem;box-shadow:0 4px 6px -1px #0000000d,0 2px 4px -1px #00000008}.card h3{color:var(--text-main);margin-top:0;margin-bottom:1.5rem;font-weight:600}.badge{color:#475569;background:#f1f5f9;border:1px solid #e2e8f0;border-radius:999px;padding:.25rem .75rem;font-size:.8rem;font-weight:600}.form-group{margin-bottom:1.5rem}.form-group label{color:#334155;margin-bottom:.5rem;font-size:.9rem;font-weight:600;display:block}.form-control{box-sizing:border-box;background:#fff;border:1px solid #cbd5e1;border-radius:8px;outline:none;width:100%;padding:.75rem 1rem;font-family:inherit;font-size:.95rem;transition:all .2s}.form-control:focus{border-color:var(--accent);box-shadow:0 0 0 3px #15803d1a}.btn-primary{background:var(--accent);color:#fff;cursor:pointer;border:none;border-radius:8px;justify-content:center;align-items:center;padding:.75rem 1.5rem;font-size:.95rem;font-weight:600;transition:all .2s;display:inline-flex}.btn-primary:hover{background:var(--accent-hover);transform:translateY(-1px);box-shadow:0 4px 12px #15803d33}.alert{border-radius:8px;align-items:center;gap:.75rem;margin-bottom:1.5rem;padding:1rem 1.25rem;font-size:.95rem;font-weight:500;display:flex}.alert-success{color:#065f46;background:#ecfdf5;border:1px solid #a7f3d0}.alert-error{color:#991b1b;background:#fef2f2;border:1px solid #fecaca}.table-wrapper{background:#fff;border:1px solid #f1f5f9;border-radius:16px;overflow:hidden;box-shadow:0 4px 6px -1px #0000000d}table{border-collapse:collapse;text-align:left;width:100%}th,td{border-bottom:1px solid #f8fafc;padding:1.25rem 1.5rem;font-size:.95rem}th{color:var(--text-muted);text-transform:uppercase;letter-spacing:.05em;background:#f8fafc;border-bottom:1px solid #e2e8f0;font-size:.8rem;font-weight:600}tr:last-child td{border-bottom:none}.status-select{cursor:pointer;appearance:auto;background:#f8fafc;border:1px solid #cbd5e1;border-radius:6px;outline:none;padding:.4rem 2rem .4rem .75rem;font-size:.85rem;font-weight:600}