:root{--bg: #0f1419;--surface: #1a2332;--surface2: #243044;--border: #2d3a4f;--text: #e8edf4;--muted: #8b9cb3;--primary: #3b82f6;--primary-hover: #2563eb;--success: #22c55e;--danger: #ef4444;--warning: #f59e0b;--radius: 12px;font-family:Cairo,system-ui,sans-serif}*{box-sizing:border-box;margin:0;padding:0}body{background:var(--bg);color:var(--text);min-height:100vh;line-height:1.6}a{color:inherit;text-decoration:none}button{font-family:inherit;cursor:pointer;border:none;border-radius:8px;padding:.6rem 1.2rem;font-weight:600;font-size:.95rem}input,select{font-family:inherit;background:var(--surface2);border:1px solid var(--border);color:var(--text);border-radius:8px;padding:.65rem .9rem;width:100%}.btn-primary{background:var(--primary);color:#fff}.btn-primary:hover{background:var(--primary-hover)}.btn-success{background:var(--success);color:#fff}.btn-danger{background:var(--danger);color:#fff}.btn-ghost{background:transparent;color:var(--muted);border:1px solid var(--border)}.layout{display:grid;grid-template-columns:240px 1fr;min-height:100vh}.sidebar{background:var(--surface);border-left:1px solid var(--border);padding:1.5rem 1rem;display:flex;flex-direction:column;gap:.25rem}.sidebar h1{font-size:1.25rem;margin-bottom:1.5rem;color:var(--primary)}.nav-link{display:block;padding:.75rem 1rem;border-radius:8px;color:var(--muted);transition:background .15s}.nav-link:hover,.nav-link.active{background:var(--surface2);color:var(--text)}.main{padding:2rem;overflow-x:auto}.page-title{font-size:1.5rem;margin-bottom:1.5rem}.stats-grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(180px,1fr));gap:1rem;margin-bottom:2rem}.stat-card{background:var(--surface);border:1px solid var(--border);border-radius:var(--radius);padding:1.25rem}.stat-card .label{color:var(--muted);font-size:.85rem;margin-bottom:.35rem}.stat-card .value{font-size:1.75rem;font-weight:700}.table-wrap{background:var(--surface);border:1px solid var(--border);border-radius:var(--radius);overflow:hidden}table{width:100%;border-collapse:collapse}th,td{padding:.85rem 1rem;text-align:right;border-bottom:1px solid var(--border)}th{background:var(--surface2);color:var(--muted);font-size:.85rem;font-weight:600}tr:last-child td{border-bottom:none}.badge{display:inline-block;padding:.2rem .6rem;border-radius:999px;font-size:.8rem;font-weight:600}.badge-warning{background:#f59e0b33;color:var(--warning)}.badge-success{background:#22c55e33;color:var(--success)}.badge-danger{background:#ef444433;color:var(--danger)}.badge-info{background:#3b82f633;color:var(--primary)}.login-page{min-height:100vh;display:grid;place-items:center;padding:1rem}.login-card{background:var(--surface);border:1px solid var(--border);border-radius:var(--radius);padding:2rem;width:min(400px,100%)}.login-card h1{text-align:center;margin-bottom:.5rem}.login-card p{text-align:center;color:var(--muted);margin-bottom:1.5rem}.form-group{margin-bottom:1rem}.form-group label{display:block;margin-bottom:.35rem;color:var(--muted);font-size:.9rem}.error{color:var(--danger);font-size:.9rem;margin-top:.5rem}.toolbar{display:flex;gap:.75rem;margin-bottom:1rem;flex-wrap:wrap}.toolbar input,.toolbar select{max-width:220px}.payment-card{background:var(--surface);border:1px solid var(--border);border-radius:var(--radius);padding:1.25rem;margin-bottom:1rem}.payment-card header{display:flex;justify-content:space-between;align-items:center;margin-bottom:1rem;flex-wrap:wrap;gap:.5rem}.payment-meta{display:grid;grid-template-columns:repeat(auto-fit,minmax(160px,1fr));gap:.75rem;margin-bottom:1rem;color:var(--muted);font-size:.9rem}.payment-meta strong{color:var(--text);display:block}.payment-actions{display:flex;gap:.5rem;flex-wrap:wrap}.proof-img{max-width:280px;border-radius:8px;border:1px solid var(--border);margin-top:.5rem}.empty{text-align:center;color:var(--muted);padding:3rem}@media(max-width:768px){.layout{grid-template-columns:1fr}.sidebar{border-left:none;border-bottom:1px solid var(--border)}}