:root{--bg:#f3f6f8;--panel:#fff;--text:#14252f;--muted:#6c7a86;--primary:#0f4c5c;--accent:#1f7a68;--danger:#b23a48;--line:#e4e9ee}*{box-sizing:border-box}body{margin:0;font-family:Inter,Segoe UI,Arial,sans-serif;background:var(--bg);color:var(--text);display:flex;min-height:100vh}aside{width:260px;background:#0d2633;color:white;padding:24px;position:fixed;inset:0 auto 0 0}.brand{font-size:24px;font-weight:800;margin-bottom:30px}.brand span{color:#72d6bd}nav a{display:block;color:#dce8ee;text-decoration:none;padding:13px 14px;border-radius:14px;margin:8px 0}nav a.active,nav a:hover{background:#173949;color:#fff}main{margin-left:260px;padding:28px;width:calc(100% - 260px)}header{display:flex;justify-content:space-between;align-items:center;margin-bottom:22px}h1{margin:0;font-size:28px}header p{margin:6px 0 0;color:var(--muted)}.date{background:white;padding:12px 16px;border-radius:14px;box-shadow:0 8px 22px #0000000d}.grid{display:grid;gap:16px}.cards{grid-template-columns:repeat(5,minmax(150px,1fr));margin-bottom:18px}.card,.panel{background:var(--panel);border:1px solid var(--line);border-radius:22px;box-shadow:0 14px 32px #10202a0a}.card{padding:20px}.card small{display:block;color:var(--muted);margin-bottom:10px}.card b{font-size:25px}.card.danger b{color:var(--danger)}.card.ok b{color:var(--accent)}.panel{padding:22px;margin-bottom:18px}.panel h2{margin:0 0 16px;font-size:20px}.form{display:grid;grid-template-columns:repeat(5,1fr);gap:12px}.form.compact{grid-template-columns:220px 180px}input,select,button{font:inherit;border-radius:13px;border:1px solid var(--line);padding:12px;background:#fff}button,.btn{background:var(--primary);color:white;border:0;text-decoration:none;display:inline-block;padding:12px 14px;border-radius:13px;cursor:pointer}table{width:100%;border-collapse:collapse}th,td{text-align:left;padding:13px;border-bottom:1px solid var(--line)}th{font-size:13px;color:var(--muted);font-weight:700}.badge{background:#e8eef2;border-radius:999px;padding:6px 10px;font-size:12px}.badge.pagado{background:#dff5eb;color:#0a6b50}.badge.parcial{background:#fff1cf;color:#8a5a00}.badge.pendiente{background:#ffe2e6;color:#9d1c2d}.badge.futuro{background:#e6efff;color:#244f9f}.flash{padding:14px 18px;background:#e8fff6;border:1px solid #b9ecd9;border-radius:16px;margin-bottom:16px}.hero{background:linear-gradient(135deg,#fff,#eef8f6)}@media(max-width:1000px){aside{position:static;width:100%}body{display:block}main{margin:0;width:100%}.cards,.form{grid-template-columns:1fr}}