:root{--bg:#f1f5f9;--card:#fff;--text:#0f172a;--muted:#64748b;--border:#e2e8f0;--dark:#020617;--green:#059669;--amber:#d97706;--rose:#e11d48;--blue:#0284c7}*{box-sizing:border-box}body{margin:0;background:var(--bg);color:var(--text);font-family:Tahoma,Arial,sans-serif}.app{display:flex;max-width:1500px;margin:auto;padding:22px;gap:18px}.sidebar{width:280px;flex:0 0 280px}.brand{background:var(--dark);color:#fff;border-radius:24px 24px 0 0;padding:22px;display:flex;gap:12px;align-items:center}.brand-icon{background:rgba(255,255,255,.12);border-radius:18px;width:52px;height:52px;display:grid;place-items:center;font-size:30px}.brand h1{margin:0;font-size:20px}.brand p{margin:4px 0 0;color:#cbd5e1;font-size:12px}.sidebar nav{background:#fff;padding:12px;border-left:1px solid var(--border);border-right:1px solid var(--border)}.nav-link{display:block;padding:12px 14px;border-radius:14px;color:#475569;text-decoration:none;font-weight:800;margin-bottom:5px}.nav-link:hover{background:#f8fafc}.nav-link.active{background:var(--dark);color:#fff}.side-footer{background:#fff;border:1px solid var(--border);border-radius:0 0 24px 24px;padding:14px;font-size:13px;color:var(--muted);font-weight:700}.side-footer a{color:var(--rose);text-decoration:none;display:inline-block;margin-top:6px}.main{flex:1;min-width:0}.topbar{background:#fff;border:1px solid var(--border);border-radius:24px;padding:18px;display:flex;gap:14px;align-items:center;justify-content:space-between;margin-bottom:14px}.topbar p{margin:0;color:var(--muted);font-weight:800;font-size:13px}.topbar h2{margin:4px 0 0;font-size:25px}.search{display:flex;gap:8px}.search input,input,select,textarea{border:1px solid var(--border);border-radius:14px;padding:11px 12px;font-family:inherit;font-size:14px;background:#fff;outline:none;width:100%}.search input{width:260px;background:#f8fafc}.search button,.btn,button{border:0;border-radius:14px;background:var(--dark);color:#fff;padding:10px 15px;font-family:inherit;font-weight:900;cursor:pointer;text-decoration:none;display:inline-flex;align-items:center;justify-content:center;gap:8px}.btn.secondary,button.secondary{background:#f1f5f9;color:#0f172a}.btn.danger,button.danger{background:var(--rose);color:#fff}.btn.green{background:var(--green);color:#fff}.btn.small{padding:7px 10px;font-size:12px;border-radius:11px}.card{background:#fff;border:1px solid var(--border);border-radius:24px;padding:18px;box-shadow:0 1px 2px rgba(15,23,42,.04)}.grid{display:grid;gap:14px}.grid-2{grid-template-columns:380px 1fr}.grid-3{grid-template-columns:repeat(3,1fr)}.grid-4{grid-template-columns:repeat(4,1fr)}.stat{padding:18px;border-radius:22px;background:#fff;border:1px solid var(--border)}.stat.dark{background:var(--dark);color:#fff}.stat p{margin:0;color:var(--muted);font-weight:900;font-size:13px}.stat.dark p{color:#cbd5e1}.stat h3{margin:8px 0 0;font-size:25px}.section-title{display:flex;justify-content:space-between;align-items:center;margin-bottom:14px}.section-title h3{margin:0;font-size:18px}.form{display:grid;gap:11px}.form label span{display:block;margin-bottom:6px;color:#334155;font-size:13px;font-weight:900}.table-wrap{overflow:hidden;border:1px solid var(--border);border-radius:18px;background:#fff}.table-scroll{overflow-x:auto}table{width:100%;border-collapse:collapse;font-size:13px;white-space:nowrap}th{background:#f8fafc;text-align:right;color:#64748b;font-size:12px}td,th{padding:12px;border-bottom:1px solid #f1f5f9}tr:hover td{background:#f8fafc}.badge{display:inline-flex;padding:5px 9px;border-radius:999px;font-size:12px;font-weight:900}.badge.slate{background:#f1f5f9;color:#475569}.badge.green{background:#dcfce7;color:#047857}.badge.amber{background:#fef3c7;color:#b45309}.badge.rose{background:#ffe4e6;color:#be123c}.badge.blue{background:#e0f2fe;color:#0369a1}.actions{display:flex;gap:5px}.actions form{margin:0}.flash{padding:12px 14px;border-radius:16px;margin-bottom:14px;font-weight:900}.flash.success{background:#dcfce7;color:#166534}.flash.error{background:#ffe4e6;color:#be123c}.empty{border:1px dashed var(--border);background:#f8fafc;border-radius:18px;padding:30px;text-align:center;color:#64748b;font-weight:900}.login-page{min-height:100vh;display:grid;place-items:center;background:var(--bg);padding:20px}.login-card{width:100%;max-width:420px;background:#fff;border:1px solid var(--border);border-radius:28px;padding:26px;box-shadow:0 10px 30px rgba(15,23,42,.07)}.login-card h1{margin:0 0 8px}.login-card p{margin:0 0 18px;color:var(--muted);font-weight:700}.mobile-nav{display:none}.alert-row{background:#f8fafc;border:1px solid var(--border);border-radius:18px;padding:14px}.invoice{max-width:680px;margin:0 auto;background:#fff;padding:30px}.invoice h1{margin-top:0}@media(max-width:1000px){.app{display:block;padding:12px}.sidebar{display:none}.mobile-nav{display:grid}.topbar{display:block}.search{margin-top:12px}.search input{width:100%}.grid-2,.grid-3,.grid-4{grid-template-columns:1fr}}@media print{.no-print{display:none!important}body{background:#fff}.app{display:block;padding:0}.main{width:100%}.card{box-shadow:none;border:0}.table-wrap{border:0}}