:root{--navy: #1f3864;--accent: #2e74b5;--bg: #f4f6f9;--error: #c0392b;--ok: #2e7d32;font-family:-apple-system,Segoe UI,Roboto,Helvetica,Arial,sans-serif}*{box-sizing:border-box}body{margin:0;background:var(--bg);color:#1a1a1a}.pantalla-login{height:100vh;display:flex;align-items:center;justify-content:center}.tarjeta{background:#fff;padding:2.5rem;border-radius:12px;box-shadow:0 4px 20px #00000014;width:320px;display:flex;flex-direction:column;gap:1rem}.tarjeta h1{color:var(--navy);margin:0}.subtitulo{color:#666;margin-top:-.5rem;font-size:.9rem}label{display:flex;flex-direction:column;gap:.3rem;font-size:.9rem;color:#444}input,select{padding:.6rem;border-radius:6px;border:1px solid #ccc;font-size:1rem}button{background:var(--accent);color:#fff;border:none;padding:.7rem 1.2rem;border-radius:6px;font-size:1rem;cursor:pointer}button:disabled{background:#aac1d8;cursor:not-allowed}.layout{display:flex;flex-direction:column;min-height:100vh}.barra-superior{background:var(--navy);color:#fff;display:flex;align-items:center;gap:2rem;padding:.8rem 1.5rem}.marca{font-weight:700;font-size:1.1rem}.barra-superior nav{display:flex;gap:1rem;flex:1}.barra-superior nav a{color:#cfe0f2;text-decoration:none}.barra-superior nav a.active{color:#fff;font-weight:700}.usuario-actual{display:flex;align-items:center;gap:.8rem}.usuario-actual button{background:transparent;border:1px solid white;padding:.3rem .8rem}.contenido{padding:2rem;max-width:860px;margin:0 auto;width:100%}.pantalla h2{color:var(--navy)}.pantalla h3{color:var(--navy);margin-top:2rem}.formulario{display:flex;flex-direction:column;gap:1rem;max-width:420px}.formulario button{align-self:flex-start}.error{color:var(--error);font-weight:500}.ticket{margin-top:1.5rem;background:#fff;border:1px dashed #aaa;border-radius:8px;padding:1.2rem}.ticket.ok{border-color:var(--ok)}.ticket .importe{font-size:1.6rem;font-weight:700;color:var(--navy);letter-spacing:1px}.ticket code{font-size:1rem}.clave-publica{background:#f4f6f9;padding:.8rem;border-radius:6px;font-size:.75rem;overflow-x:auto;white-space:pre-wrap;word-break:break-all}.encabezado-lista{display:flex;align-items:center;justify-content:space-between;gap:1rem}.encabezado-lista h2{margin:0}.aviso{background:#fff8e1;border:1px solid #f0d878;border-radius:8px;padding:.8rem 1rem;color:#7a5c00;font-size:.9rem}.tabla{width:100%;border-collapse:collapse;background:#fff;border-radius:8px;overflow:hidden;box-shadow:0 1px 4px #0000000f;margin-top:1rem}.tabla th,.tabla td{text-align:left;padding:.6rem .9rem;border-bottom:1px solid #eee;font-size:.92rem}.tabla th{background:var(--bg);color:var(--navy);font-weight:600}.tabla tbody tr:last-child td{border-bottom:none}.tabla button{padding:.35rem .7rem;font-size:.85rem}.estado-factura{display:inline-block;padding:.15rem .6rem;border-radius:12px;font-size:.82rem;font-weight:600}.estado-licencia-activa{background:#e3f3e5;color:var(--ok)}.estado-licencia-suspendida{background:#fbe4e2;color:var(--error)}.estado-licencia-vencida{background:#fff2d6;color:#92650a}